u-boot/drivers/mmc/sunxi_mmc.c

645 lines
15 KiB
C
Raw Normal View History

sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
/*
* (C) Copyright 2007-2011
* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
* Aaron <leafy.myeh@allwinnertech.com>
*
* MMC driver for allwinner sunxi platform.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <errno.h>
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
#include <malloc.h>
#include <mmc.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/cpu.h>
#include <asm/arch/gpio.h>
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
#include <asm/arch/mmc.h>
#include <asm-generic/gpio.h>
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
struct sunxi_mmc_plat {
struct mmc_config cfg;
struct mmc mmc;
};
struct sunxi_mmc_priv {
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
unsigned mmc_no;
uint32_t *mclkreg;
unsigned fatal_err;
struct gpio_desc cd_gpio; /* Change Detect GPIO */
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
struct sunxi_mmc *reg;
struct mmc_config cfg;
};
#if !CONFIG_IS_ENABLED(DM_MMC)
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
/* support 4 mmc hosts */
struct sunxi_mmc_priv mmc_host[4];
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
static int sunxi_mmc_getcd_gpio(int sdc_no)
{
switch (sdc_no) {
case 0: return sunxi_name_to_gpio(CONFIG_MMC0_CD_PIN);
case 1: return sunxi_name_to_gpio(CONFIG_MMC1_CD_PIN);
case 2: return sunxi_name_to_gpio(CONFIG_MMC2_CD_PIN);
case 3: return sunxi_name_to_gpio(CONFIG_MMC3_CD_PIN);
}
return -EINVAL;
}
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
static int mmc_resource_init(int sdc_no)
{
struct sunxi_mmc_priv *priv = &mmc_host[sdc_no];
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
int cd_pin, ret = 0;
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
debug("init mmc %d resource\n", sdc_no);
switch (sdc_no) {
case 0:
priv->reg = (struct sunxi_mmc *)SUNXI_MMC0_BASE;
priv->mclkreg = &ccm->sd0_clk_cfg;
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
break;
case 1:
priv->reg = (struct sunxi_mmc *)SUNXI_MMC1_BASE;
priv->mclkreg = &ccm->sd1_clk_cfg;
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
break;
case 2:
priv->reg = (struct sunxi_mmc *)SUNXI_MMC2_BASE;
priv->mclkreg = &ccm->sd2_clk_cfg;
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
break;
case 3:
priv->reg = (struct sunxi_mmc *)SUNXI_MMC3_BASE;
priv->mclkreg = &ccm->sd3_clk_cfg;
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
break;
default:
printf("Wrong mmc number %d\n", sdc_no);
return -1;
}
priv->mmc_no = sdc_no;
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
cd_pin = sunxi_mmc_getcd_gpio(sdc_no);
if (cd_pin >= 0) {
ret = gpio_request(cd_pin, "mmc_cd");
if (!ret) {
sunxi_gpio_set_pull(cd_pin, SUNXI_GPIO_PULL_UP);
ret = gpio_direction_input(cd_pin);
}
}
return ret;
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
}
#endif
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
static int mmc_set_mod_clk(struct sunxi_mmc_priv *priv, unsigned int hz)
{
unsigned int pll, pll_hz, div, n, oclk_dly, sclk_dly;
bool new_mode = false;
u32 val = 0;
if (IS_ENABLED(CONFIG_MMC_SUNXI_HAS_NEW_MODE) && (priv->mmc_no == 2))
new_mode = true;
/*
* The MMC clock has an extra /2 post-divider when operating in the new
* mode.
*/
if (new_mode)
hz = hz * 2;
if (hz <= 24000000) {
pll = CCM_MMC_CTRL_OSCM24;
pll_hz = 24000000;
} else {
#ifdef CONFIG_MACH_SUN9I
pll = CCM_MMC_CTRL_PLL_PERIPH0;
pll_hz = clock_get_pll4_periph0();
#else
pll = CCM_MMC_CTRL_PLL6;
pll_hz = clock_get_pll6();
#endif
}
div = pll_hz / hz;
if (pll_hz % hz)
div++;
n = 0;
while (div > 16) {
n++;
div = (div + 1) / 2;
}
if (n > 3) {
printf("mmc %u error cannot set clock to %u\n", priv->mmc_no,
hz);
return -1;
}
/* determine delays */
if (hz <= 400000) {
oclk_dly = 0;
sclk_dly = 0;
} else if (hz <= 25000000) {
oclk_dly = 0;
sclk_dly = 5;
#ifdef CONFIG_MACH_SUN9I
} else if (hz <= 50000000) {
oclk_dly = 5;
sclk_dly = 4;
} else {
/* hz > 50000000 */
oclk_dly = 2;
sclk_dly = 4;
#else
} else if (hz <= 50000000) {
oclk_dly = 3;
sclk_dly = 4;
} else {
/* hz > 50000000 */
oclk_dly = 1;
sclk_dly = 4;
#endif
}
if (new_mode) {
#ifdef CONFIG_MMC_SUNXI_HAS_NEW_MODE
val = CCM_MMC_CTRL_MODE_SEL_NEW;
setbits_le32(&priv->reg->ntsr, SUNXI_MMC_NTSR_MODE_SEL_NEW);
#endif
} else {
val = CCM_MMC_CTRL_OCLK_DLY(oclk_dly) |
CCM_MMC_CTRL_SCLK_DLY(sclk_dly);
}
writel(CCM_MMC_CTRL_ENABLE| pll | CCM_MMC_CTRL_N(n) |
CCM_MMC_CTRL_M(div) | val, priv->mclkreg);
debug("mmc %u set mod-clk req %u parent %u n %u m %u rate %u\n",
priv->mmc_no, hz, pll_hz, 1u << n, div, pll_hz / (1u << n) / div);
return 0;
}
static int mmc_update_clk(struct sunxi_mmc_priv *priv)
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
{
unsigned int cmd;
unsigned timeout_msecs = 2000;
cmd = SUNXI_MMC_CMD_START |
SUNXI_MMC_CMD_UPCLK_ONLY |
SUNXI_MMC_CMD_WAIT_PRE_OVER;
writel(cmd, &priv->reg->cmd);
while (readl(&priv->reg->cmd) & SUNXI_MMC_CMD_START) {
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
if (!timeout_msecs--)
return -1;
udelay(1000);
}
/* clock update sets various irq status bits, clear these */
writel(readl(&priv->reg->rint), &priv->reg->rint);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
return 0;
}
static int mmc_config_clock(struct sunxi_mmc_priv *priv, struct mmc *mmc)
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
{
unsigned rval = readl(&priv->reg->clkcr);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
/* Disable Clock */
rval &= ~SUNXI_MMC_CLK_ENABLE;
writel(rval, &priv->reg->clkcr);
if (mmc_update_clk(priv))
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
return -1;
/* Set mod_clk to new rate */
if (mmc_set_mod_clk(priv, mmc->clock))
return -1;
/* Clear internal divider */
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
rval &= ~SUNXI_MMC_CLK_DIVIDER_MASK;
writel(rval, &priv->reg->clkcr);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
/* Re-enable Clock */
rval |= SUNXI_MMC_CLK_ENABLE;
writel(rval, &priv->reg->clkcr);
if (mmc_update_clk(priv))
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
return -1;
return 0;
}
static int sunxi_mmc_set_ios_common(struct sunxi_mmc_priv *priv,
struct mmc *mmc)
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
{
debug("set ios: bus_width: %x, clock: %d\n",
mmc->bus_width, mmc->clock);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
/* Change clock first */
if (mmc->clock && mmc_config_clock(priv, mmc) != 0) {
priv->fatal_err = 1;
return -EINVAL;
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
}
/* Change bus width */
if (mmc->bus_width == 8)
writel(0x2, &priv->reg->width);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
else if (mmc->bus_width == 4)
writel(0x1, &priv->reg->width);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
else
writel(0x0, &priv->reg->width);
return 0;
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
}
#if !CONFIG_IS_ENABLED(DM_MMC)
static int sunxi_mmc_core_init(struct mmc *mmc)
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
{
struct sunxi_mmc_priv *priv = mmc->priv;
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
/* Reset controller */
writel(SUNXI_MMC_GCTRL_RESET, &priv->reg->gctrl);
udelay(1000);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
return 0;
}
#endif
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
static int mmc_trans_data_by_cpu(struct sunxi_mmc_priv *priv, struct mmc *mmc,
struct mmc_data *data)
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
{
const int reading = !!(data->flags & MMC_DATA_READ);
const uint32_t status_bit = reading ? SUNXI_MMC_STATUS_FIFO_EMPTY :
SUNXI_MMC_STATUS_FIFO_FULL;
unsigned i;
unsigned *buff = (unsigned int *)(reading ? data->dest : data->src);
unsigned byte_cnt = data->blocksize * data->blocks;
unsigned timeout_usecs = (byte_cnt >> 8) * 1000;
if (timeout_usecs < 2000000)
timeout_usecs = 2000000;
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
/* Always read / write data through the CPU */
setbits_le32(&priv->reg->gctrl, SUNXI_MMC_GCTRL_ACCESS_BY_AHB);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
for (i = 0; i < (byte_cnt >> 2); i++) {
while (readl(&priv->reg->status) & status_bit) {
if (!timeout_usecs--)
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
return -1;
udelay(1);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
}
if (reading)
buff[i] = readl(&priv->reg->fifo);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
else
writel(buff[i], &priv->reg->fifo);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
}
return 0;
}
static int mmc_rint_wait(struct sunxi_mmc_priv *priv, struct mmc *mmc,
uint timeout_msecs, uint done_bit, const char *what)
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
{
unsigned int status;
do {
status = readl(&priv->reg->rint);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
if (!timeout_msecs-- ||
(status & SUNXI_MMC_RINT_INTERRUPT_ERROR_BIT)) {
debug("%s timeout %x\n", what,
status & SUNXI_MMC_RINT_INTERRUPT_ERROR_BIT);
return -ETIMEDOUT;
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
}
udelay(1000);
} while (!(status & done_bit));
return 0;
}
static int sunxi_mmc_send_cmd_common(struct sunxi_mmc_priv *priv,
struct mmc *mmc, struct mmc_cmd *cmd,
struct mmc_data *data)
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
{
unsigned int cmdval = SUNXI_MMC_CMD_START;
unsigned int timeout_msecs;
int error = 0;
unsigned int status = 0;
unsigned int bytecnt = 0;
if (priv->fatal_err)
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
return -1;
if (cmd->resp_type & MMC_RSP_BUSY)
debug("mmc cmd %d check rsp busy\n", cmd->cmdidx);
if (cmd->cmdidx == 12)
return 0;
if (!cmd->cmdidx)
cmdval |= SUNXI_MMC_CMD_SEND_INIT_SEQ;
if (cmd->resp_type & MMC_RSP_PRESENT)
cmdval |= SUNXI_MMC_CMD_RESP_EXPIRE;
if (cmd->resp_type & MMC_RSP_136)
cmdval |= SUNXI_MMC_CMD_LONG_RESPONSE;
if (cmd->resp_type & MMC_RSP_CRC)
cmdval |= SUNXI_MMC_CMD_CHK_RESPONSE_CRC;
if (data) {
if ((u32)(long)data->dest & 0x3) {
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
error = -1;
goto out;
}
cmdval |= SUNXI_MMC_CMD_DATA_EXPIRE|SUNXI_MMC_CMD_WAIT_PRE_OVER;
if (data->flags & MMC_DATA_WRITE)
cmdval |= SUNXI_MMC_CMD_WRITE;
if (data->blocks > 1)
cmdval |= SUNXI_MMC_CMD_AUTO_STOP;
writel(data->blocksize, &priv->reg->blksz);
writel(data->blocks * data->blocksize, &priv->reg->bytecnt);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
}
debug("mmc %d, cmd %d(0x%08x), arg 0x%08x\n", priv->mmc_no,
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
cmd->cmdidx, cmdval | cmd->cmdidx, cmd->cmdarg);
writel(cmd->cmdarg, &priv->reg->arg);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
if (!data)
writel(cmdval | cmd->cmdidx, &priv->reg->cmd);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
/*
* transfer data and check status
* STATREG[2] : FIFO empty
* STATREG[3] : FIFO full
*/
if (data) {
int ret = 0;
bytecnt = data->blocksize * data->blocks;
debug("trans data %d bytes\n", bytecnt);
writel(cmdval | cmd->cmdidx, &priv->reg->cmd);
ret = mmc_trans_data_by_cpu(priv, mmc, data);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
if (ret) {
error = readl(&priv->reg->rint) &
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
SUNXI_MMC_RINT_INTERRUPT_ERROR_BIT;
error = -ETIMEDOUT;
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
goto out;
}
}
error = mmc_rint_wait(priv, mmc, 1000, SUNXI_MMC_RINT_COMMAND_DONE,
"cmd");
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
if (error)
goto out;
if (data) {
timeout_msecs = 120;
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
debug("cacl timeout %x msec\n", timeout_msecs);
error = mmc_rint_wait(priv, mmc, timeout_msecs,
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
data->blocks > 1 ?
SUNXI_MMC_RINT_AUTO_COMMAND_DONE :
SUNXI_MMC_RINT_DATA_OVER,
"data");
if (error)
goto out;
}
if (cmd->resp_type & MMC_RSP_BUSY) {
timeout_msecs = 2000;
do {
status = readl(&priv->reg->status);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
if (!timeout_msecs--) {
debug("busy timeout\n");
error = -ETIMEDOUT;
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
goto out;
}
udelay(1000);
} while (status & SUNXI_MMC_STATUS_CARD_DATA_BUSY);
}
if (cmd->resp_type & MMC_RSP_136) {
cmd->response[0] = readl(&priv->reg->resp3);
cmd->response[1] = readl(&priv->reg->resp2);
cmd->response[2] = readl(&priv->reg->resp1);
cmd->response[3] = readl(&priv->reg->resp0);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
debug("mmc resp 0x%08x 0x%08x 0x%08x 0x%08x\n",
cmd->response[3], cmd->response[2],
cmd->response[1], cmd->response[0]);
} else {
cmd->response[0] = readl(&priv->reg->resp0);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
debug("mmc resp 0x%08x\n", cmd->response[0]);
}
out:
if (error < 0) {
writel(SUNXI_MMC_GCTRL_RESET, &priv->reg->gctrl);
mmc_update_clk(priv);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
}
writel(0xffffffff, &priv->reg->rint);
writel(readl(&priv->reg->gctrl) | SUNXI_MMC_GCTRL_FIFO_RESET,
&priv->reg->gctrl);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
return error;
}
#if !CONFIG_IS_ENABLED(DM_MMC)
static int sunxi_mmc_set_ios_legacy(struct mmc *mmc)
{
struct sunxi_mmc_priv *priv = mmc->priv;
return sunxi_mmc_set_ios_common(priv, mmc);
}
static int sunxi_mmc_send_cmd_legacy(struct mmc *mmc, struct mmc_cmd *cmd,
struct mmc_data *data)
{
struct sunxi_mmc_priv *priv = mmc->priv;
return sunxi_mmc_send_cmd_common(priv, mmc, cmd, data);
}
static int sunxi_mmc_getcd_legacy(struct mmc *mmc)
{
struct sunxi_mmc_priv *priv = mmc->priv;
int cd_pin;
cd_pin = sunxi_mmc_getcd_gpio(priv->mmc_no);
if (cd_pin < 0)
return 1;
return !gpio_get_value(cd_pin);
}
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
static const struct mmc_ops sunxi_mmc_ops = {
.send_cmd = sunxi_mmc_send_cmd_legacy,
.set_ios = sunxi_mmc_set_ios_legacy,
.init = sunxi_mmc_core_init,
.getcd = sunxi_mmc_getcd_legacy,
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
};
struct mmc *sunxi_mmc_init(int sdc_no)
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
{
struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
struct sunxi_mmc_priv *priv = &mmc_host[sdc_no];
struct mmc_config *cfg = &priv->cfg;
int ret;
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
memset(priv, '\0', sizeof(struct sunxi_mmc_priv));
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
cfg->name = "SUNXI SD/MMC";
cfg->ops = &sunxi_mmc_ops;
cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
cfg->host_caps = MMC_MODE_4BIT;
#if defined(CONFIG_MACH_SUN50I) || defined(CONFIG_MACH_SUN8I)
if (sdc_no == 2)
cfg->host_caps = MMC_MODE_8BIT;
#endif
cfg->host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
cfg->f_min = 400000;
cfg->f_max = 52000000;
if (mmc_resource_init(sdc_no) != 0)
return NULL;
/* config ahb clock */
debug("init mmc %d clock and io\n", sdc_no);
setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_MMC(sdc_no));
#ifdef CONFIG_SUNXI_GEN_SUN6I
/* unassert reset */
setbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_RESET_OFFSET_MMC(sdc_no));
#endif
#if defined(CONFIG_MACH_SUN9I)
/* sun9i has a mmc-common module, also set the gate and reset there */
writel(SUNXI_MMC_COMMON_CLK_GATE | SUNXI_MMC_COMMON_RESET,
SUNXI_MMC_COMMON_BASE + 4 * sdc_no);
#endif
ret = mmc_set_mod_clk(priv, 24000000);
if (ret)
return NULL;
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
return mmc_create(cfg, priv);
sunxi: mmc support On Mon, 2014-05-05 at 14:18 +0200, Stefan Roese wrote: > > + case 1: > > +#if CONFIG_MMC1_PG > Are you sure that this is correct and shouldn't be: > > +#ifdef CONFIG_MMC1_PG > > ? It's "correct" in so far as it works (the boards.cfg config stuff #defines things to 1), but I think you are right that it isn't the preferred style. But... > A quick scan through this patch series shows that this define > is not set at all. Perhaps its outdated? Or is it used to support > some other sunxi SoC? Not sure, perhaps it should be removed for > now. ...I had thought that it was to support some other board which wasn't being upstreamed right now, so eventually useful and harmless for now, but I've just checked and it isn't actually used by any of the boards in u-boot-sunxi.git. So rather than fix it to use #ifdef lets drop it. Rather than resend the entire series, here is v5.1 of this patch. > Other than this please add my: > > Reviewed-by: Stefan Roese <sr@denx.de> Thanks! 8<--------------------------------- >From 20704e35a41664de5f516ed0e02981ac06085102 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ijc@hellion.org.uk> Date: Fri, 7 Mar 2014 04:29:39 +0000 Subject: [PATCH v5.1 7/8] sunxi: mmc support This adds support for the MMC controller on the Allwinner A20 (sun7i) processor. Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net> Signed-off-by: Luke Leighton <lkcl@lkcl.net> Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Wills Wang <wills.wang.open@gmail.com> Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Stefan Roese <sr@denx.de> Cc: Tom Cubie <Mr.hipboi@gmail.com> Cc: Aaron Maoye <leafy.myeh@allwinnertech.com> Cc: Pantelis Antoniou <panto@antoniou-consulting.com> Reviewed-by: Tom Rini <trini@ti.com>
2014-05-05 13:42:31 +00:00
}
#else
static int sunxi_mmc_set_ios(struct udevice *dev)
{
struct sunxi_mmc_plat *plat = dev_get_platdata(dev);
struct sunxi_mmc_priv *priv = dev_get_priv(dev);
return sunxi_mmc_set_ios_common(priv, &plat->mmc);
}
static int sunxi_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
struct mmc_data *data)
{
struct sunxi_mmc_plat *plat = dev_get_platdata(dev);
struct sunxi_mmc_priv *priv = dev_get_priv(dev);
return sunxi_mmc_send_cmd_common(priv, &plat->mmc, cmd, data);
}
static int sunxi_mmc_getcd(struct udevice *dev)
{
struct sunxi_mmc_priv *priv = dev_get_priv(dev);
if (dm_gpio_is_valid(&priv->cd_gpio))
return dm_gpio_get_value(&priv->cd_gpio);
return 1;
}
static const struct dm_mmc_ops sunxi_mmc_ops = {
.send_cmd = sunxi_mmc_send_cmd,
.set_ios = sunxi_mmc_set_ios,
.get_cd = sunxi_mmc_getcd,
};
static int sunxi_mmc_probe(struct udevice *dev)
{
struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
struct sunxi_mmc_plat *plat = dev_get_platdata(dev);
struct sunxi_mmc_priv *priv = dev_get_priv(dev);
struct mmc_config *cfg = &plat->cfg;
struct ofnode_phandle_args args;
u32 *gate_reg;
int bus_width, ret;
cfg->name = dev->name;
bus_width = dev_read_u32_default(dev, "bus-width", 1);
cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
cfg->host_caps = 0;
if (bus_width == 8)
cfg->host_caps |= MMC_MODE_8BIT;
if (bus_width >= 4)
cfg->host_caps |= MMC_MODE_4BIT;
cfg->host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;
cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
cfg->f_min = 400000;
cfg->f_max = 52000000;
priv->reg = (void *)dev_read_addr(dev);
/* We don't have a sunxi clock driver so find the clock address here */
ret = dev_read_phandle_with_args(dev, "clocks", "#clock-cells", 0,
1, &args);
if (ret)
return ret;
priv->mclkreg = (u32 *)ofnode_get_addr(args.node);
ret = dev_read_phandle_with_args(dev, "clocks", "#clock-cells", 0,
0, &args);
if (ret)
return ret;
gate_reg = (u32 *)ofnode_get_addr(args.node);
setbits_le32(gate_reg, 1 << args.args[0]);
priv->mmc_no = args.args[0] - 8;
ret = mmc_set_mod_clk(priv, 24000000);
if (ret)
return ret;
/* This GPIO is optional */
if (!gpio_request_by_name(dev, "cd-gpios", 0, &priv->cd_gpio,
GPIOD_IS_IN)) {
int cd_pin = gpio_get_number(&priv->cd_gpio);
sunxi_gpio_set_pull(cd_pin, SUNXI_GPIO_PULL_UP);
}
upriv->mmc = &plat->mmc;
/* Reset controller */
writel(SUNXI_MMC_GCTRL_RESET, &priv->reg->gctrl);
udelay(1000);
return 0;
}
static int sunxi_mmc_bind(struct udevice *dev)
{
struct sunxi_mmc_plat *plat = dev_get_platdata(dev);
return mmc_bind(dev, &plat->mmc, &plat->cfg);
}
static const struct udevice_id sunxi_mmc_ids[] = {
{ .compatible = "allwinner,sun5i-a13-mmc" },
{ }
};
U_BOOT_DRIVER(sunxi_mmc_drv) = {
.name = "sunxi_mmc",
.id = UCLASS_MMC,
.of_match = sunxi_mmc_ids,
.bind = sunxi_mmc_bind,
.probe = sunxi_mmc_probe,
.ops = &sunxi_mmc_ops,
.platdata_auto_alloc_size = sizeof(struct sunxi_mmc_plat),
.priv_auto_alloc_size = sizeof(struct sunxi_mmc_priv),
};
#endif