Commit 0c5e2667 authored by Fabio Estevam's avatar Fabio Estevam Committed by Stefano Babic

udoo: Add initial support for mx6q udoo board

Add basic support for mx6q udoo board.

For further information about Udoo board:
http://www.udoo.org/

Tested booting a mainline device tree kernel and a Yocto rootfs from mmc.
Signed-off-by: default avatarFabio Estevam <fabio.estevam@freescale.com>
parent 6654f33c
#
# (C) Copyright 2013 Freescale Semiconductor, Inc.
#
# SPDX-License-Identifier: GPL-2.0+
#
include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).o
COBJS := udoo.o
SRCS := $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
$(LIB): $(obj).depend $(OBJS)
$(call cmd_link_o_target, $(OBJS))
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################
/*
* Copyright (C) 2013 Freescale Semiconductor, Inc.
*
* Author: Fabio Estevam <fabio.estevam@freescale.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux.h>
#include <asm/arch/mx6-pins.h>
#include <asm/errno.h>
#include <asm/gpio.h>
#include <asm/imx-common/iomux-v3.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#include <asm/arch/crm_regs.h>
#include <asm/io.h>
#include <asm/arch/sys_proto.h>
DECLARE_GLOBAL_DATA_PTR;
#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
PAD_CTL_SPEED_MED | 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 WDT_EN IMX_GPIO_NR(5, 4)
#define WDT_TRG IMX_GPIO_NR(3, 19)
int dram_init(void)
{
gd->ram_size = (phys_size_t)CONFIG_DDR_MB * 1024 * 1024;
return 0;
}
static iomux_v3_cfg_t const uart2_pads[] = {
MX6_PAD_EIM_D26__UART2_TXD | MUX_PAD_CTRL(UART_PAD_CTRL),
MX6_PAD_EIM_D27__UART2_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
};
static iomux_v3_cfg_t const usdhc3_pads[] = {
MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT0__USDHC3_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT1__USDHC3_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT2__USDHC3_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT3__USDHC3_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
};
static iomux_v3_cfg_t const wdog_pads[] = {
MX6_PAD_EIM_A24__GPIO_5_4 | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_EIM_D19__GPIO_3_19,
};
static void setup_iomux_uart(void)
{
imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads));
}
static void setup_iomux_wdog(void)
{
imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
gpio_direction_output(WDT_TRG, 0);
gpio_direction_output(WDT_EN, 1);
}
static struct fsl_esdhc_cfg usdhc_cfg = { USDHC3_BASE_ADDR };
int board_mmc_getcd(struct mmc *mmc)
{
return 1; /* Always present */
}
int board_mmc_init(bd_t *bis)
{
imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
usdhc_cfg.max_bus_width = 4;
return fsl_esdhc_initialize(bis, &usdhc_cfg);
}
int board_early_init_f(void)
{
setup_iomux_wdog();
setup_iomux_uart();
return 0;
}
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
return 0;
}
int checkboard(void)
{
puts("Board: Udoo\n");
return 0;
}
......@@ -287,6 +287,7 @@ Active arm armv7 mx5 freescale mx53smd
Active arm armv7 mx5 genesi mx51_efikamx mx51_efikamx mx51_efikamx:MACH_TYPE=MACH_TYPE_MX51_EFIKAMX,IMX_CONFIG=board/genesi/mx51_efikamx/imximage_mx.cfg -
Active arm armv7 mx5 genesi mx51_efikamx mx51_efikasb mx51_efikamx:MACH_TYPE=MACH_TYPE_MX51_EFIKASB,IMX_CONFIG=board/genesi/mx51_efikamx/imximage_sb.cfg -
Active arm armv7 mx5 ttcontrol vision2 vision2 vision2:IMX_CONFIG=board/ttcontrol/vision2/imximage_hynix.cfg Stefano Babic <sbabic@denx.de>
Active arm armv7 mx6 - udoo udoo_quad udoo:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6q.cfg,MX6Q,DDR_MB=1024 Fabio Estevam <fabio.estevam@freescale.com>
Active arm armv7 mx6 - wandboard wandboard_dl wandboard:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6dl.cfg,MX6DL,DDR_MB=1024 Fabio Estevam <fabio.estevam@freescale.com>
Active arm armv7 mx6 - wandboard wandboard_quad wandboard:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6q2g.cfg,MX6Q,DDR_MB=2048 Fabio Estevam <fabio.estevam@freescale.com>
Active arm armv7 mx6 - wandboard wandboard_solo wandboard:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6s.cfg,MX6S,DDR_MB=512 Fabio Estevam <fabio.estevam@freescale.com>
......
/*
* Copyright (C) 2013 Freescale Semiconductor, Inc.
*
* Configuration settings for Udoo board.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __CONFIG_H
#define __CONFIG_H
#include <asm/arch/imx-regs.h>
#include <asm/imx-common/gpio.h>
#include <asm/sizes.h>
#define CONFIG_MX6
#define CONFIG_DISPLAY_CPUINFO
#define CONFIG_DISPLAY_BOARDINFO
#define MACH_TYPE_UDOO 4800
#define CONFIG_MACH_TYPE MACH_TYPE_UDOO
#define CONFIG_CMDLINE_TAG
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
#define CONFIG_REVISION_TAG
/* Size of malloc() pool */
#define CONFIG_SYS_MALLOC_LEN (2 * SZ_1M)
#define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_MXC_GPIO
#define CONFIG_MXC_UART
#define CONFIG_MXC_UART_BASE UART2_BASE
/* allow to overwrite serial and ethaddr */
#define CONFIG_ENV_OVERWRITE
#define CONFIG_CONS_INDEX 1
#define CONFIG_BAUDRATE 115200
/* Command definition */
#include <config_cmd_default.h>
#undef CONFIG_CMD_IMLS
#define CONFIG_CMD_BMODE
#define CONFIG_CMD_SETEXPR
#define CONFIG_BOOTDELAY 3
#define CONFIG_SYS_MEMTEST_START 0x10000000
#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 500 * SZ_1M)
#define CONFIG_LOADADDR 0x12000000
#define CONFIG_SYS_TEXT_BASE 0x17800000
/* MMC Configuration */
#define CONFIG_FSL_ESDHC
#define CONFIG_FSL_USDHC
#define CONFIG_SYS_FSL_ESDHC_ADDR 0
#define CONFIG_MMC
#define CONFIG_CMD_MMC
#define CONFIG_GENERIC_MMC
#define CONFIG_BOUNCE_BUFFER
#define CONFIG_CMD_EXT2
#define CONFIG_CMD_FAT
#define CONFIG_DOS_PARTITION
#define CONFIG_DEFAULT_FDT_FILE "imx6q-udoo.dtb"
#define CONFIG_EXTRA_ENV_SETTINGS \
"script=boot.scr\0" \
"uimage=uImage\0" \
"console=ttymxc1\0" \
"splashpos=m,m\0" \
"fdt_high=0xffffffff\0" \
"initrd_high=0xffffffff\0" \
"fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
"fdt_addr=0x11000000\0" \
"boot_fdt=try\0" \
"ip_dyn=yes\0" \
"mmcdev=0\0" \
"mmcpart=1\0" \
"mmcroot=/dev/mmcblk0p2 rootwait rw\0" \
"update_sd_firmware_filename=u-boot.imx\0" \
"update_sd_firmware=" \
"if test ${ip_dyn} = yes; then " \
"setenv get_cmd dhcp; " \
"else " \
"setenv get_cmd tftp; " \
"fi; " \
"if mmc dev ${mmcdev}; then " \
"if ${get_cmd} ${update_sd_firmware_filename}; then " \
"setexpr fw_sz ${filesize} / 0x200; " \
"setexpr fw_sz ${fw_sz} + 1; " \
"mmc write ${loadaddr} 0x2 ${fw_sz}; " \
"fi; " \
"fi\0" \
"mmcargs=setenv bootargs console=${console},${baudrate} " \
"root=${mmcroot}\0" \
"loadbootscript=" \
"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
"bootscript=echo Running bootscript from mmc ...; " \
"source\0" \
"loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
"mmcboot=echo Booting from mmc ...; " \
"run mmcargs; " \
"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
"if run loadfdt; then " \
"bootm ${loadaddr} - ${fdt_addr}; " \
"else " \
"if test ${boot_fdt} = try; then " \
"bootm; " \
"else " \
"echo WARN: Cannot load the DT; " \
"fi; " \
"fi; " \
"else " \
"bootm; " \
"fi;\0" \
"netargs=setenv bootargs console=${console},${baudrate} " \
"root=/dev/nfs " \
"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
"netboot=echo Booting from net ...; " \
"run netargs; " \
"if test ${ip_dyn} = yes; then " \
"setenv get_cmd dhcp; " \
"else " \
"setenv get_cmd tftp; " \
"fi; " \
"${get_cmd} ${uimage}; " \
"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
"if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
"bootm ${loadaddr} - ${fdt_addr}; " \
"else " \
"if test ${boot_fdt} = try; then " \
"bootm; " \
"else " \
"echo WARN: Cannot load the DT; " \
"fi; " \
"fi; " \
"else " \
"bootm; " \
"fi;\0"
#define CONFIG_BOOTCOMMAND \
"mmc dev ${mmcdev}; if mmc rescan; then " \
"if run loadbootscript; then " \
"run bootscript; " \
"else " \
"if run loaduimage; then " \
"run mmcboot; " \
"else run netboot; " \
"fi; " \
"fi; " \
"else run netboot; fi"
/* Miscellaneous configurable options */
#define CONFIG_SYS_LONGHELP
#define CONFIG_SYS_HUSH_PARSER
#define CONFIG_SYS_PROMPT "=> "
#define CONFIG_AUTO_COMPLETE
#define CONFIG_SYS_CBSIZE 256
/* Print Buffer Size */
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
#define CONFIG_SYS_MAXARGS 16
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
#define CONFIG_SYS_HZ 1000
#define CONFIG_CMDLINE_EDITING
/* Physical Memory Map */
#define CONFIG_NR_DRAM_BANKS 1
#define PHYS_SDRAM MMDC0_ARB_BASE_ADDR
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM
#define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR
#define CONFIG_SYS_INIT_RAM_SIZE IRAM_SIZE
#define CONFIG_SYS_INIT_SP_OFFSET \
(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_ADDR \
(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
/* FLASH and environment organization */
#define CONFIG_SYS_NO_FLASH
#define CONFIG_ENV_SIZE (8 * 1024)
#define CONFIG_ENV_IS_IN_MMC
#define CONFIG_ENV_OFFSET (6 * 64 * 1024)
#define CONFIG_SYS_MMC_ENV_DEV 0
#define CONFIG_OF_LIBFDT
#define CONFIG_CMD_BOOTZ
#ifndef CONFIG_SYS_DCACHE_OFF
#define CONFIG_CMD_CACHE
#endif
#endif /* __CONFIG_H * */
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