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https://github.com/AsahiLinux/u-boot
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6115f1c4fe
The values of CONFIG_NAND_OMAP_ECCSCHEME map to the enum in include/linux/mtd/omap_gpmc.h for valid ECC schemes. Make which one we will use be a choice statement, enumerating the ones which we have implemented. Signed-off-by: Tom Rini <trini@konsulko.com>
281 lines
8 KiB
C
281 lines
8 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2011
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* Stefano Babic, DENX Software Engineering, sbabic@denx.de.
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*
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* Copyright (C) 2009 TechNexion Ltd.
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*/
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#ifndef __TAM3517_H
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#define __TAM3517_H
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/*
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* High Level Configuration Options
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*/
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#include <asm/arch/cpu.h> /* get chip and board defs */
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#include <asm/arch/omap.h>
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/* Clock Defines */
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#define V_OSCK 26000000 /* Clock output from T2 */
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#define V_SCLK (V_OSCK >> 1)
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/*
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* DDR related
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*/
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#define CONFIG_SYS_CS0_SIZE (256 * 1024 * 1024)
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/*
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* Hardware drivers
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*/
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/*
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* NS16550 Configuration
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*/
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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 48000000 /* 48MHz (APLL96/2) */
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/*
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* select serial console configuration
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*/
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#define CONFIG_SYS_NS16550_COM1 OMAP34XX_UART1
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#define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\
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115200}
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#define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 0x07
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/*
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* Board NAND Info.
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*/
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#define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */
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/* to access */
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/* nand at CS0 */
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#define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of */
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/* NAND devices */
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/*
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* Miscellaneous configurable options
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*/
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#define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */
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#define CONFIG_SYS_MAXARGS 32 /* max number of command */
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/* args */
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/*
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* AM3517 has 12 GP timers, they can be driven by the system clock
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* (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
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* This rate is divided by a local divisor.
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*/
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#define CONFIG_SYS_TIMERBASE OMAP34XX_GPT2
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#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
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/*
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* Physical Memory Map
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*/
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#define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0
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#define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1
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/*
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* FLASH and environment organization
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*/
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/* **** PISMO SUPPORT *** */
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/* Redundant Environment */
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#define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
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#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
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#define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800
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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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/*
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* ethernet support, EMAC
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*
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*/
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#define CONFIG_NET_RETRY_COUNT 10
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/* Defines for SPL */
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#define CONFIG_SPL_CONSOLE
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#define CONFIG_SPL_NAND_SOFTECC
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#define CONFIG_SPL_NAND_WORKSPACE 0x8f07f000 /* below BSS */
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#define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \
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CONFIG_SPL_TEXT_BASE)
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#define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK
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#define CONFIG_SYS_SPL_MALLOC_START 0x8f000000
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#define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000
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#define CONFIG_SPL_BSS_START_ADDR 0x8f080000 /* end of RAM */
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#define CONFIG_SPL_BSS_MAX_SIZE 0x80000
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#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
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/* FAT */
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#define CONFIG_SPL_FS_LOAD_KERNEL_NAME "uImage"
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#define CONFIG_SPL_FS_LOAD_ARGS_NAME "args"
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/* RAW SD card / eMMC */
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#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900 /* address 0x120000 */
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#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x80 /* address 0x10000 */
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#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x80 /* 64KiB */
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/* NAND boot config */
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#define CONFIG_SYS_NAND_ECCPOS {40, 41, 42, 43, 44, 45, 46, 47,\
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48, 49, 50, 51, 52, 53, 54, 55,\
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56, 57, 58, 59, 60, 61, 62, 63}
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#define CONFIG_SYS_NAND_ECCSIZE 256
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#define CONFIG_SYS_NAND_ECCBYTES 3
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#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
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#define CONFIG_SYS_NAND_U_BOOT_SIZE 0x80000
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/* Setup MTD for NAND on the SOM */
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#define CONFIG_TAM3517_SETTINGS \
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"netdev=eth0\0" \
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"nandargs=setenv bootargs root=${nandroot} " \
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"rootfstype=${nandrootfstype}\0" \
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"nfsargs=setenv bootargs root=/dev/nfs rw " \
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"nfsroot=${serverip}:${rootpath}\0" \
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"ramargs=setenv bootargs root=/dev/ram rw\0" \
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"addip_sta=setenv bootargs ${bootargs} " \
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"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
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":${hostname}:${netdev}:off panic=1\0" \
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"addip_dyn=setenv bootargs ${bootargs} ip=dhcp\0" \
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"addip=if test -n ${ipdyn};then run addip_dyn;" \
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"else run addip_sta;fi\0" \
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"addmtd=setenv bootargs ${bootargs} ${mtdparts}\0" \
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"addtty=setenv bootargs ${bootargs}" \
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" console=ttyO0,${baudrate}\0" \
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"addmisc=setenv bootargs ${bootargs} ${misc}\0" \
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"loadaddr=82000000\0" \
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"kernel_addr_r=82000000\0" \
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"hostname=" CONFIG_HOSTNAME "\0" \
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"bootfile=" CONFIG_HOSTNAME "/uImage\0" \
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"flash_self=run ramargs addip addtty addmtd addmisc;" \
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"bootm ${kernel_addr} ${ramdisk_addr}\0" \
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"flash_nfs=run nfsargs addip addtty addmtd addmisc;" \
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"bootm ${kernel_addr}\0" \
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"nandboot=run nandargs addip addtty addmtd addmisc;" \
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"nand read ${kernel_addr_r} kernel\0" \
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"bootm ${kernel_addr_r}\0" \
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"net_nfs=tftp ${kernel_addr_r} ${bootfile}; " \
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"run nfsargs addip addtty addmtd addmisc;" \
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"bootm ${kernel_addr_r}\0" \
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"net_self=if run net_self_load;then " \
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"run ramargs addip addtty addmtd addmisc;" \
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"bootm ${kernel_addr_r} ${ramdisk_addr_r};" \
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"else echo Images not loades;fi\0" \
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"u-boot=" CONFIG_HOSTNAME "/u-boot.img\0" \
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"load=tftp ${loadaddr} ${u-boot}\0" \
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"loadmlo=tftp ${loadaddr} ${mlo}\0" \
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"mlo=" CONFIG_HOSTNAME "/MLO\0" \
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"uboot_addr=0x80000\0" \
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"update=nandecc sw;nand erase ${uboot_addr} 100000;" \
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"nand write ${loadaddr} ${uboot_addr} 80000\0" \
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"updatemlo=nandecc hw;nand erase 0 20000;" \
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"nand write ${loadaddr} 0 20000\0" \
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"upd=if run load;then echo Updating u-boot;if run update;" \
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"then echo U-Boot updated;" \
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"else echo Error updating u-boot !;" \
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"echo Board without bootloader !!;" \
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"fi;" \
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"else echo U-Boot not downloaded..exiting;fi\0" \
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/*
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* this is common code for all TAM3517 boards.
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* MAC address is stored from manufacturer in
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* I2C EEPROM
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*/
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#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
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/*
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* The I2C EEPROM on the TAM3517 contains
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* mac address and production data
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*/
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struct tam3517_module_info {
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char customer[48];
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char product[48];
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/*
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* bit 0~47 : sequence number
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* bit 48~55 : week of year, from 0.
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* bit 56~63 : year
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*/
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unsigned long long sequence_number;
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/*
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* bit 0~7 : revision fixed
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* bit 8~15 : revision major
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* bit 16~31 : TNxxx
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*/
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unsigned int revision;
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unsigned char eth_addr[4][8];
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unsigned char _rev[100];
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};
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#define TAM3517_READ_EEPROM(info, ret) \
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do { \
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i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); \
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if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, \
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(void *)info, sizeof(*info))) \
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ret = 1; \
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else \
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ret = 0; \
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} while (0)
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#define TAM3517_READ_MAC_FROM_EEPROM(info) \
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do { \
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char buf[80], ethname[20]; \
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int i; \
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memset(buf, 0, sizeof(buf)); \
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for (i = 0 ; i < ARRAY_SIZE((info)->eth_addr); i++) { \
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sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X", \
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(info)->eth_addr[i][5], \
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(info)->eth_addr[i][4], \
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(info)->eth_addr[i][3], \
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(info)->eth_addr[i][2], \
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(info)->eth_addr[i][1], \
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(info)->eth_addr[i][0]); \
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\
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if (i) \
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sprintf(ethname, "eth%daddr", i); \
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else \
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strcpy(ethname, "ethaddr"); \
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printf("Setting %s from EEPROM with %s\n", ethname, buf);\
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env_set(ethname, buf); \
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} \
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} while (0)
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/* The following macros are taken from Technexion's documentation */
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#define TAM3517_sequence_number(info) \
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((info)->sequence_number % 0x1000000000000LL)
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#define TAM3517_week_of_year(info) (((info)->sequence_number >> 48) % 0x100)
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#define TAM3517_year(info) ((info)->sequence_number >> 56)
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#define TAM3517_revision_fixed(info) ((info)->revision % 0x100)
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#define TAM3517_revision_major(info) (((info)->revision >> 8) % 0x100)
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#define TAM3517_revision_tn(info) ((info)->revision >> 16)
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#define TAM3517_PRINT_SOM_INFO(info) \
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do { \
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printf("Vendor:%s\n", (info)->customer); \
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printf("SOM: %s\n", (info)->product); \
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printf("SeqNr: %02llu%02llu%012llu\n", \
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TAM3517_year(info), \
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TAM3517_week_of_year(info), \
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TAM3517_sequence_number(info)); \
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printf("Rev: TN%u %u.%u\n", \
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TAM3517_revision_tn(info), \
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TAM3517_revision_major(info), \
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TAM3517_revision_fixed(info)); \
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} while (0)
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#endif
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#endif /* __TAM3517_H */
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