mirror of
https://github.com/AsahiLinux/u-boot
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14fa2dd00f
Config VMMC voltage to 3V for MMC/SD card slot and PBIAS settings needed for OMAP4 Fixes MMC/SD detection on boot from eMMC. Signed-off-by: Balaji T K <balajitk@ti.com> Signed-off-by: Aneesh V <aneesh@ti.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
277 lines
7.5 KiB
C
277 lines
7.5 KiB
C
/*
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* (C) Copyright 2010
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* Texas Instruments Incorporated.
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* Aneesh V <aneesh@ti.com>
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* Steve Sakoman <steve@sakoman.com>
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*
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* TI OMAP4 common configuration settings
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __CONFIG_OMAP4_COMMON_H
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#define __CONFIG_OMAP4_COMMON_H
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/*
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* High Level Configuration Options
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*/
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#define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */
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#define CONFIG_OMAP 1 /* in a TI OMAP core */
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#define CONFIG_OMAP44XX 1 /* which is a 44XX */
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#define CONFIG_OMAP4430 1 /* which is in a 4430 */
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#define CONFIG_ARCH_CPU_INIT
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/* Get CPU defs */
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#include <asm/arch/cpu.h>
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#include <asm/arch/omap4.h>
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/* Display CPU and Board Info */
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#define CONFIG_DISPLAY_CPUINFO 1
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#define CONFIG_DISPLAY_BOARDINFO 1
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/* Clock Defines */
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#define V_OSCK 38400000 /* Clock output from T2 */
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#define V_SCLK V_OSCK
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#undef CONFIG_USE_IRQ /* no support for IRQs */
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#define CONFIG_MISC_INIT_R
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#define CONFIG_OF_LIBFDT 1
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#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
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#define CONFIG_SETUP_MEMORY_TAGS 1
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#define CONFIG_INITRD_TAG 1
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#define CONFIG_REVISION_TAG 1
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/*
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* Size of malloc() pool
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* Total Size Environment - 128k
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* Malloc - add 256k
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*/
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#define CONFIG_ENV_SIZE (128 << 10)
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#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (256 << 10))
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/* Vector Base */
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#define CONFIG_SYS_CA9_VECTOR_BASE SRAM_ROM_VECT_BASE
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/*
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* Hardware drivers
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*/
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/*
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* serial port - NS16550 compatible
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*/
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#define V_NS16550_CLK 48000000
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#define CONFIG_SYS_NS16550
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#define CONFIG_SYS_NS16550_SERIAL
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#define CONFIG_SYS_NS16550_REG_SIZE (-4)
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#define CONFIG_SYS_NS16550_CLK V_NS16550_CLK
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#define CONFIG_CONS_INDEX 3
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#define CONFIG_SYS_NS16550_COM3 UART3_BASE
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#define CONFIG_BAUDRATE 115200
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#define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\
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115200}
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/* I2C */
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#define CONFIG_HARD_I2C 1
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#define CONFIG_SYS_I2C_SPEED 100000
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#define CONFIG_SYS_I2C_SLAVE 1
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#define CONFIG_SYS_I2C_BUS 0
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#define CONFIG_SYS_I2C_BUS_SELECT 1
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#define CONFIG_DRIVER_OMAP34XX_I2C 1
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#define CONFIG_I2C_MULTI_BUS 1
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/* TWL6030 */
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#ifndef CONFIG_SPL_BUILD
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#define CONFIG_TWL6030_POWER 1
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#endif
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/* MMC */
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#define CONFIG_GENERIC_MMC 1
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#define CONFIG_MMC 1
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#define CONFIG_OMAP_HSMMC 1
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#define CONFIG_SYS_MMC_SET_DEV 1
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#define CONFIG_DOS_PARTITION 1
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/* USB */
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#define CONFIG_MUSB_UDC 1
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#define CONFIG_USB_OMAP3 1
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/* USB device configuration */
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#define CONFIG_USB_DEVICE 1
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#define CONFIG_USB_TTY 1
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#define CONFIG_SYS_CONSOLE_IS_IN_ENV 1
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/* Flash */
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#define CONFIG_SYS_NO_FLASH 1
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/* commands to include */
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#include <config_cmd_default.h>
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/* Enabled commands */
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#define CONFIG_CMD_EXT2 /* EXT2 Support */
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#define CONFIG_CMD_FAT /* FAT support */
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#define CONFIG_CMD_I2C /* I2C serial bus support */
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#define CONFIG_CMD_MMC /* MMC support */
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/* Disabled commands */
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#undef CONFIG_CMD_NET
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#undef CONFIG_CMD_NFS
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#undef CONFIG_CMD_FPGA /* FPGA configuration Support */
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#undef CONFIG_CMD_IMLS /* List all found images */
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/*
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* Environment setup
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*/
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#define CONFIG_BOOTDELAY 3
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#define CONFIG_ENV_OVERWRITE
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"loadaddr=0x82000000\0" \
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"console=ttyS2,115200n8\0" \
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"usbtty=cdc_acm\0" \
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"vram=16M\0" \
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"mmcdev=0\0" \
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"mmcroot=/dev/mmcblk0p2 rw\0" \
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"mmcrootfstype=ext3 rootwait\0" \
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"mmcargs=setenv bootargs console=${console} " \
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"vram=${vram} " \
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"root=${mmcroot} " \
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"rootfstype=${mmcrootfstype}\0" \
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"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
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"bootscript=echo Running bootscript from mmc${mmcdev} ...; " \
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"source ${loadaddr}\0" \
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"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
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"mmcboot=echo Booting from mmc${mmcdev} ...; " \
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"run mmcargs; " \
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"bootm ${loadaddr}\0" \
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#define CONFIG_BOOTCOMMAND \
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"if mmc rescan ${mmcdev}; then " \
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"if run loadbootscript; then " \
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"run bootscript; " \
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"else " \
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"if run loaduimage; then " \
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"run mmcboot; " \
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"fi; " \
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"fi; " \
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"fi"
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#define CONFIG_AUTO_COMPLETE 1
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/*
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* Miscellaneous configurable options
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*/
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#define CONFIG_SYS_LONGHELP /* undef to save memory */
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#define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
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#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
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#define CONFIG_SYS_CBSIZE 512
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/* Print Buffer Size */
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
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sizeof(CONFIG_SYS_PROMPT) + 16)
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#define CONFIG_SYS_MAXARGS 16
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/* Boot Argument Buffer Size */
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#define CONFIG_SYS_BARGSIZE (CONFIG_SYS_CBSIZE)
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/*
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* memtest setup
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*/
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#define CONFIG_SYS_MEMTEST_START 0x80000000
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#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + (32 << 20))
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/* Default load address */
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#define CONFIG_SYS_LOAD_ADDR 0x80000000
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/* Use General purpose timer 1 */
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#define CONFIG_SYS_TIMERBASE GPT2_BASE
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#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
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#define CONFIG_SYS_HZ 1000
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/*
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* Stack sizes
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*
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* The stack sizes are set up in start.S using the settings below
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*/
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#define CONFIG_STACKSIZE (128 << 10) /* Regular stack */
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#ifdef CONFIG_USE_IRQ
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#define CONFIG_STACKSIZE_IRQ (4 << 10) /* IRQ stack */
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#define CONFIG_STACKSIZE_FIQ (4 << 10) /* FIQ stack */
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#endif
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/*
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* SDRAM Memory Map
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* Even though we use two CS all the memory
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* is mapped to one contiguous block
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*/
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#define CONFIG_NR_DRAM_BANKS 1
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#define CONFIG_SYS_SDRAM_BASE 0x80000000
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#define CONFIG_SYS_INIT_RAM_ADDR 0x4030D800
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#define CONFIG_SYS_INIT_RAM_SIZE 0x800
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#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
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CONFIG_SYS_INIT_RAM_SIZE - \
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GENERATED_GBL_DATA_SIZE)
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#ifndef CONFIG_SYS_L2CACHE_OFF
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#define CONFIG_SYS_L2_PL310 1
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#define CONFIG_SYS_PL310_BASE 0x48242000
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#endif
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/* Defines for SDRAM init */
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#ifndef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
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#define CONFIG_SYS_AUTOMATIC_SDRAM_DETECTION
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#define CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS
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#endif
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/* Defines for SPL */
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#define CONFIG_SPL
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#define CONFIG_SPL_TEXT_BASE 0x40304350
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#define CONFIG_SPL_MAX_SIZE (38 * 1024)
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#define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK
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#define CONFIG_SPL_BSS_START_ADDR 0x80000000
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#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
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#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
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#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */
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#define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1
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#define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img"
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#define CONFIG_SPL_LIBCOMMON_SUPPORT
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#define CONFIG_SPL_LIBDISK_SUPPORT
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#define CONFIG_SPL_I2C_SUPPORT
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#define CONFIG_SPL_MMC_SUPPORT
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#define CONFIG_SPL_FAT_SUPPORT
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#define CONFIG_SPL_LIBGENERIC_SUPPORT
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#define CONFIG_SPL_SERIAL_SUPPORT
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#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv7/omap-common/u-boot-spl.lds"
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/*
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* 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
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* 64 bytes before this address should be set aside for u-boot.img's
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* header. That is 0x800FFFC0--0x80100000 should not be used for any
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* other needs.
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*/
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#define CONFIG_SYS_TEXT_BASE 0x80100000
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#endif /* __CONFIG_OMAP4_COMMON_H */
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