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ARM: k2g: add SD card and eMMC support

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Add MMC support for k2g

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Tested-by: Mugunthan V N <mugunthanvnm@ti.com>
This commit is contained in:
Roger Quadros 2015-09-19 16:26:53 +05:30 committed by Tom Rini
parent 91266ccbb2
commit 3b68939fa0
3 changed files with 43 additions and 2 deletions
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22
arch/arm/mach-keystone/include/mach/mmc_host_def.h Normal file
View file

@ -0,0 +1,22 @@
/*
* K2G: MMC
*
* (C) Copyright 2015
* Texas Instruments Incorporated, <www.ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef K2G_MMC_HOST_DEF_H
#define K2G_MMC_HOST_DEF_H
#include <asm/omap_mmc.h>
/*
* OMAP HSMMC register definitions
*/
#define OMAP_HSMMC1_BASE 0x23000100
#define OMAP_HSMMC2_BASE 0x23100100
#endif /* K2G_MMC_HOST_DEF_H */

16
board/ti/ks2_evm/board_k2g.c
View file

@ -9,6 +9,8 @@
#include <common.h>
#include <asm/arch/clock.h>
#include <asm/ti-common/keystone_net.h>
#include <asm/arch/psc_defs.h>
#include <asm/arch/mmc_host_def.h>
#include "mux-k2g.h"
#define SYS_CLK 24000000
@ -58,6 +60,20 @@ s16 divn_val[16] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
};
#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
int board_mmc_init(bd_t *bis)
{
if (psc_enable_module(KS2_LPSC_MMC)) {
printf("%s module enabled failed\n", __func__);
return -1;
}
omap_mmc_init(0, 0, 0, -1, -1);
omap_mmc_init(1, 0, 0, -1, -1);
return 0;
}
#endif
#ifdef CONFIG_BOARD_EARLY_INIT_F
int board_early_init_f(void)
{

7
drivers/mmc/omap_hsmmc.c
View file

@ -31,10 +31,12 @@
#include <twl4030.h>
#include <twl6030.h>
#include <palmas.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <asm/arch/mmc_host_def.h>
#if !defined(CONFIG_SOC_KEYSTONE)
#include <asm/gpio.h>
#include <asm/arch/sys_proto.h>
#endif
/* simplify defines to OMAP_HSMMC_USE_GPIO */
#if (defined(CONFIG_OMAP_GPIO) && !defined(CONFIG_SPL_BUILD)) || \
@ -662,7 +664,8 @@ int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio,
priv_data->base_addr = (struct hsmmc *)OMAP_HSMMC2_BASE;
#if (defined(CONFIG_OMAP44XX) || defined(CONFIG_OMAP54XX) || \
defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX) || \
defined(CONFIG_AM43XX)) && defined(CONFIG_HSMMC2_8BIT)
defined(CONFIG_AM43XX) || defined(CONFIG_SOC_KEYSTONE)) && \
defined(CONFIG_HSMMC2_8BIT)
/* Enable 8-bit interface for eMMC on OMAP4/5 or DRA7XX */
host_caps_val |= MMC_MODE_8BIT;
#endif