u-boot/board/tqc/tqma6/tqma6.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2012 Freescale Semiconductor, Inc.
* Author: Fabio Estevam <fabio.estevam@freescale.com>
*
* Copyright (C) 2013, 2014 TQ Systems (ported SabreSD to TQMa6x)
* Author: Markus Niebel <markus.niebel@tq-group.com>
*/
#include <asm/arch/clock.h>
#include <asm/arch/mx6-pins.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux.h>
#include <asm/arch/sys_proto.h>
#include <env.h>
#include <linux/errno.h>
#include <asm/gpio.h>
#include <asm/io.h>
imx: reorganize IMX code as other SOCs Change is consistent with other SOCs and it is in preparation for adding SOMs. SOC's related files are moved from cpu/ to mach-imx/<SOC>. This change is also coherent with the structure in kernel. Signed-off-by: Stefano Babic <sbabic@denx.de> CC: Fabio Estevam <fabio.estevam@nxp.com> CC: Akshay Bhat <akshaybhat@timesys.com> CC: Ken Lin <Ken.Lin@advantech.com.tw> CC: Marek Vasut <marek.vasut@gmail.com> CC: Heiko Schocher <hs@denx.de> CC: "Sébastien Szymanski" <sebastien.szymanski@armadeus.com> CC: Christian Gmeiner <christian.gmeiner@gmail.com> CC: Stefan Roese <sr@denx.de> CC: Patrick Bruenn <p.bruenn@beckhoff.com> CC: Troy Kisky <troy.kisky@boundarydevices.com> CC: Nikita Kiryanov <nikita@compulab.co.il> CC: Otavio Salvador <otavio@ossystems.com.br> CC: "Eric Bénard" <eric@eukrea.com> CC: Jagan Teki <jagan@amarulasolutions.com> CC: Ye Li <ye.li@nxp.com> CC: Peng Fan <peng.fan@nxp.com> CC: Adrian Alonso <adrian.alonso@nxp.com> CC: Alison Wang <b18965@freescale.com> CC: Tim Harvey <tharvey@gateworks.com> CC: Martin Donnelly <martin.donnelly@ge.com> CC: Marcin Niestroj <m.niestroj@grinn-global.com> CC: Lukasz Majewski <lukma@denx.de> CC: Adam Ford <aford173@gmail.com> CC: "Albert ARIBAUD (3ADEV)" <albert.aribaud@3adev.fr> CC: Boris Brezillon <boris.brezillon@free-electrons.com> CC: Soeren Moch <smoch@web.de> CC: Richard Hu <richard.hu@technexion.com> CC: Wig Cheng <wig.cheng@technexion.com> CC: Vanessa Maegima <vanessa.maegima@nxp.com> CC: Max Krummenacher <max.krummenacher@toradex.com> CC: Stefan Agner <stefan.agner@toradex.com> CC: Markus Niebel <Markus.Niebel@tq-group.com> CC: Breno Lima <breno.lima@nxp.com> CC: Francesco Montefoschi <francesco.montefoschi@udoo.org> CC: Jaehoon Chung <jh80.chung@samsung.com> CC: Scott Wood <oss@buserror.net> CC: Joe Hershberger <joe.hershberger@ni.com> CC: Anatolij Gustschin <agust@denx.de> CC: Simon Glass <sjg@chromium.org> CC: "Andrew F. Davis" <afd@ti.com> CC: "Łukasz Majewski" <l.majewski@samsung.com> CC: Patrice Chotard <patrice.chotard@st.com> CC: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> CC: Hans de Goede <hdegoede@redhat.com> CC: Masahiro Yamada <yamada.masahiro@socionext.com> CC: Stephen Warren <swarren@nvidia.com> CC: Andre Przywara <andre.przywara@arm.com> CC: "Álvaro Fernández Rojas" <noltari@gmail.com> CC: York Sun <york.sun@nxp.com> CC: Xiaoliang Yang <xiaoliang.yang@nxp.com> CC: Chen-Yu Tsai <wens@csie.org> CC: George McCollister <george.mccollister@gmail.com> CC: Sven Ebenfeld <sven.ebenfeld@gmail.com> CC: Filip Brozovic <fbrozovic@gmail.com> CC: Petr Kulhavy <brain@jikos.cz> CC: Eric Nelson <eric@nelint.com> CC: Bai Ping <ping.bai@nxp.com> CC: Anson Huang <Anson.Huang@nxp.com> CC: Sanchayan Maity <maitysanchayan@gmail.com> CC: Lokesh Vutla <lokeshvutla@ti.com> CC: Patrick Delaunay <patrick.delaunay@st.com> CC: Gary Bisson <gary.bisson@boundarydevices.com> CC: Alexander Graf <agraf@suse.de> CC: u-boot@lists.denx.de Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
2017-06-29 08:16:06 +00:00
#include <asm/mach-imx/mxc_i2c.h>
#include <asm/mach-imx/spi.h>
#include <common.h>
#include <fsl_esdhc_imx.h>
#include <linux/libfdt.h>
#include <i2c.h>
#include <mmc.h>
#include <power/pfuze100_pmic.h>
#include <power/pmic.h>
#include <spi_flash.h>
#include "tqma6_bb.h"
DECLARE_GLOBAL_DATA_PTR;
#define USDHC_CLK_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \
PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \
PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define GPIO_OUT_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_LOW | \
PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
#define GPIO_IN_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_LOW | \
PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
#define SPI_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_80ohm | PAD_CTL_HYS | \
PAD_CTL_ODE | PAD_CTL_SRE_FAST)
int dram_init(void)
{
gd->ram_size = imx_ddr_size();
return 0;
}
static const uint16_t tqma6_emmc_dsr = 0x0100;
/* eMMC on USDHCI3 always present */
static iomux_v3_cfg_t const tqma6_usdhc3_pads[] = {
NEW_PAD_CTRL(MX6_PAD_SD3_CLK__SD3_CLK, USDHC_PAD_CTRL),
NEW_PAD_CTRL(MX6_PAD_SD3_CMD__SD3_CMD, USDHC_PAD_CTRL),
NEW_PAD_CTRL(MX6_PAD_SD3_DAT0__SD3_DATA0, USDHC_PAD_CTRL),
NEW_PAD_CTRL(MX6_PAD_SD3_DAT1__SD3_DATA1, USDHC_PAD_CTRL),
NEW_PAD_CTRL(MX6_PAD_SD3_DAT2__SD3_DATA2, USDHC_PAD_CTRL),
NEW_PAD_CTRL(MX6_PAD_SD3_DAT3__SD3_DATA3, USDHC_PAD_CTRL),
NEW_PAD_CTRL(MX6_PAD_SD3_DAT4__SD3_DATA4, USDHC_PAD_CTRL),
NEW_PAD_CTRL(MX6_PAD_SD3_DAT5__SD3_DATA5, USDHC_PAD_CTRL),
NEW_PAD_CTRL(MX6_PAD_SD3_DAT6__SD3_DATA6, USDHC_PAD_CTRL),
NEW_PAD_CTRL(MX6_PAD_SD3_DAT7__SD3_DATA7, USDHC_PAD_CTRL),
/* eMMC reset */
NEW_PAD_CTRL(MX6_PAD_SD3_RST__SD3_RESET, GPIO_OUT_PAD_CTRL),
};
/*
* According to board_mmc_init() the following map is done:
* (U-Boot device node) (Physical Port)
* mmc0 eMMC (SD3) on TQMa6
* mmc1 .. n optional slots used on baseboard
*/
struct fsl_esdhc_cfg tqma6_usdhc_cfg = {
.esdhc_base = USDHC3_BASE_ADDR,
.max_bus_width = 8,
};
int board_mmc_getcd(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
int ret = 0;
if (cfg->esdhc_base == USDHC3_BASE_ADDR)
/* eMMC/uSDHC3 is always present */
ret = 1;
else
ret = tqma6_bb_board_mmc_getcd(mmc);
return ret;
}
int board_mmc_getwp(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
int ret = 0;
if (cfg->esdhc_base == USDHC3_BASE_ADDR)
/* eMMC/uSDHC3 is always present */
ret = 0;
else
ret = tqma6_bb_board_mmc_getwp(mmc);
return ret;
}
int board_mmc_init(bd_t *bis)
{
imx_iomux_v3_setup_multiple_pads(tqma6_usdhc3_pads,
ARRAY_SIZE(tqma6_usdhc3_pads));
tqma6_usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
if (fsl_esdhc_initialize(bis, &tqma6_usdhc_cfg)) {
puts("Warning: failed to initialize eMMC dev\n");
} else {
struct mmc *mmc = find_mmc_device(0);
if (mmc)
mmc_set_dsr(mmc, tqma6_emmc_dsr);
}
tqma6_bb_board_mmc_init(bis);
return 0;
}
static iomux_v3_cfg_t const tqma6_ecspi1_pads[] = {
/* SS1 */
NEW_PAD_CTRL(MX6_PAD_EIM_D19__GPIO3_IO19, SPI_PAD_CTRL),
NEW_PAD_CTRL(MX6_PAD_EIM_D16__ECSPI1_SCLK, SPI_PAD_CTRL),
NEW_PAD_CTRL(MX6_PAD_EIM_D17__ECSPI1_MISO, SPI_PAD_CTRL),
NEW_PAD_CTRL(MX6_PAD_EIM_D18__ECSPI1_MOSI, SPI_PAD_CTRL),
};
#define TQMA6_SF_CS_GPIO IMX_GPIO_NR(3, 19)
static unsigned const tqma6_ecspi1_cs[] = {
TQMA6_SF_CS_GPIO,
};
__weak void tqma6_iomuxc_spi(void)
{
unsigned i;
for (i = 0; i < ARRAY_SIZE(tqma6_ecspi1_cs); ++i)
gpio_direction_output(tqma6_ecspi1_cs[i], 1);
imx_iomux_v3_setup_multiple_pads(tqma6_ecspi1_pads,
ARRAY_SIZE(tqma6_ecspi1_pads));
}
#if defined(CONFIG_SF_DEFAULT_BUS) && defined(CONFIG_SF_DEFAULT_CS)
int board_spi_cs_gpio(unsigned bus, unsigned cs)
{
return ((bus == CONFIG_SF_DEFAULT_BUS) &&
(cs == CONFIG_SF_DEFAULT_CS)) ? TQMA6_SF_CS_GPIO : -1;
}
#endif
static struct i2c_pads_info tqma6_i2c3_pads = {
/* I2C3: on board LM75, M24C64, */
.scl = {
.i2c_mode = NEW_PAD_CTRL(MX6_PAD_GPIO_5__I2C3_SCL,
I2C_PAD_CTRL),
.gpio_mode = NEW_PAD_CTRL(MX6_PAD_GPIO_5__GPIO1_IO05,
I2C_PAD_CTRL),
.gp = IMX_GPIO_NR(1, 5)
},
.sda = {
.i2c_mode = NEW_PAD_CTRL(MX6_PAD_GPIO_6__I2C3_SDA,
I2C_PAD_CTRL),
.gpio_mode = NEW_PAD_CTRL(MX6_PAD_GPIO_6__GPIO1_IO06,
I2C_PAD_CTRL),
.gp = IMX_GPIO_NR(1, 6)
}
};
static void tqma6_setup_i2c(void)
{
int ret;
/*
* use logical index for bus, e.g. I2C1 -> 0
* warn on error
*/
ret = setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &tqma6_i2c3_pads);
if (ret)
printf("setup I2C3 failed: %d\n", ret);
}
int board_early_init_f(void)
{
return tqma6_bb_board_early_init_f();
}
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
tqma6_iomuxc_spi();
tqma6_setup_i2c();
tqma6_bb_board_init();
return 0;
}
static const char *tqma6_get_boardname(void)
{
u32 cpurev = get_cpu_rev();
switch ((cpurev & 0xFF000) >> 12) {
case MXC_CPU_MX6SOLO:
return "TQMa6S";
break;
case MXC_CPU_MX6DL:
return "TQMa6DL";
break;
case MXC_CPU_MX6D:
return "TQMa6D";
break;
case MXC_CPU_MX6Q:
return "TQMa6Q";
break;
default:
return "??";
};
}
/* setup board specific PMIC */
int power_init_board(void)
{
struct pmic *p;
u32 reg, rev;
power_pfuze100_init(TQMA6_PFUZE100_I2C_BUS);
p = pmic_get("PFUZE100");
if (p && !pmic_probe(p)) {
pmic_reg_read(p, PFUZE100_DEVICEID, &reg);
pmic_reg_read(p, PFUZE100_REVID, &rev);
printf("PMIC: PFUZE100 ID=0x%02x REV=0x%02x\n", reg, rev);
}
return 0;
}
int board_late_init(void)
{
env_set("board_name", tqma6_get_boardname());
tqma6_bb_board_late_init();
return 0;
}
int checkboard(void)
{
printf("Board: %s on a %s\n", tqma6_get_boardname(),
tqma6_bb_get_boardname());
return 0;
}
/*
* Device Tree Support
*/
#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
#define MODELSTRLEN 32u
int ft_board_setup(void *blob, bd_t *bd)
{
char modelstr[MODELSTRLEN];
snprintf(modelstr, MODELSTRLEN, "TQ %s on %s", tqma6_get_boardname(),
tqma6_bb_get_boardname());
do_fixup_by_path_string(blob, "/", "model", modelstr);
fdt_fixup_memory(blob, (u64)PHYS_SDRAM, (u64)gd->ram_size);
/* bring in eMMC dsr settings */
do_fixup_by_path_u32(blob,
"/soc/aips-bus@02100000/usdhc@02198000",
"dsr", tqma6_emmc_dsr, 2);
tqma6_bb_ft_board_setup(blob, bd);
return 0;
}
#endif /* defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) */