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Diffstat (limited to 'include/configs/am335x_evm.h')
-rw-r--r--include/configs/am335x_evm.h225
1 files changed, 152 insertions, 73 deletions
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index c5a6d4b..e32066d 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -37,9 +37,15 @@
#define CONFIG_OF_LIBFDT
#define CONFIG_CMD_BOOTZ
#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_STACKSIZE (128 * 1024)
+#define CONFIG_AUTO_COMPLETE
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
+/* Custom script for NOR */
+#define CONFIG_SYS_LDSCRIPT "board/ti/am335x/u-boot.lds"
+
#define CONFIG_SYS_CACHELINE_SIZE 64
/* commands to include */
@@ -48,6 +54,27 @@
#define CONFIG_CMD_ASKENV
#define CONFIG_VERSION_VARIABLE
+#ifdef CONFIG_NAND
+#define NANDARGS \
+ "mtdids=" MTDIDS_DEFAULT "\0" \
+ "mtdparts=" MTDPARTS_DEFAULT "\0" \
+ "nandargs=setenv bootargs console=${console} " \
+ "${optargs} " \
+ "root=${nandroot} " \
+ "rootfstype=${nandrootfstype}\0" \
+ "dfu_alt_info_nand=" DFU_ALT_INFO_NAND "\0" \
+ "nandroot=ubi0:rootfs rw ubi.mtd=7,2048\0" \
+ "nandrootfstype=ubifs rootwait=1\0" \
+ "nandsrcaddr=0x280000\0" \
+ "nandboot=echo Booting from nand ...; " \
+ "run nandargs; " \
+ "nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; " \
+ "bootm ${loadaddr}\0" \
+ "nandimgsize=0x500000\0"
+#else
+#define NANDARGS ""
+#endif
+
/* set to negative value for no autoboot */
#define CONFIG_BOOTDELAY 1
#define CONFIG_ENV_VARS_UBOOT_CONFIG
@@ -63,19 +90,12 @@
"fdtfile=undefined\0" \
"console=ttyO0,115200n8\0" \
"optargs=\0" \
- "mtdids=" MTDIDS_DEFAULT "\0" \
- "mtdparts=" MTDPARTS_DEFAULT "\0" \
"dfu_alt_info_mmc=" DFU_ALT_INFO_MMC "\0" \
"dfu_alt_info_emmc=rawemmc mmc 0 3751936\0" \
- "dfu_alt_info_nand=" DFU_ALT_INFO_NAND "\0" \
"mmcdev=0\0" \
"mmcroot=/dev/mmcblk0p2 ro\0" \
"mmcrootfstype=ext4 rootwait\0" \
"bootpart=0:2\0" \
- "nandroot=ubi0:rootfs rw ubi.mtd=7,2048\0" \
- "nandrootfstype=ubifs rootwait=1\0" \
- "nandsrcaddr=0x280000\0" \
- "nandimgsize=0x500000\0" \
"rootpath=/export/rootfs\0" \
"nfsopts=nolock\0" \
"static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
@@ -86,10 +106,6 @@
"${optargs} " \
"root=${mmcroot} " \
"rootfstype=${mmcrootfstype}\0" \
- "nandargs=setenv bootargs console=${console} " \
- "${optargs} " \
- "root=${nandroot} " \
- "rootfstype=${nandrootfstype}\0" \
"spiroot=/dev/mtdblock4 rw\0" \
"spirootfstype=jffs2\0" \
"spisrcaddr=0xe0000\0" \
@@ -115,13 +131,23 @@
"loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
"loaduimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
"loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
- "mmcboot=echo Booting from mmc ...; " \
- "run mmcargs; " \
- "bootm ${loadaddr} - ${fdtaddr}\0" \
- "nandboot=echo Booting from nand ...; " \
- "run nandargs; " \
- "nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; " \
- "bootm ${loadaddr}\0" \
+ "mmcboot=mmc dev ${mmcdev}; " \
+ "if mmc rescan; then " \
+ "echo SD/MMC found on device ${mmcdev};" \
+ "if run loadbootenv; then " \
+ "echo Loaded environment from ${bootenv};" \
+ "run importbootenv;" \
+ "fi;" \
+ "if test -n $uenvcmd; then " \
+ "echo Running uenvcmd ...;" \
+ "run uenvcmd;" \
+ "fi;" \
+ "if run loaduimage; then " \
+ "run loadfdt;" \
+ "run mmcargs; " \
+ "bootm ${loadaddr} - ${fdtaddr};" \
+ "fi;" \
+ "fi;\0" \
"spiboot=echo Booting from spi ...; " \
"run spiargs; " \
"sf probe ${spibusno}:0; " \
@@ -147,28 +173,17 @@
"if test $board_name = A335X_SK; then " \
"setenv fdtfile am335x-evmsk.dtb; fi; " \
"if test $fdtfile = undefined; then " \
- "echo WARNING: Could not determine device tree to use; fi; \0"
+ "echo WARNING: Could not determine device tree to use; fi; \0" \
+ NANDARGS
#endif
#define CONFIG_BOOTCOMMAND \
"run findfdt; " \
- "mmc dev ${mmcdev}; if mmc rescan; then " \
- "echo SD/MMC found on device ${mmcdev};" \
- "if run loadbootenv; then " \
- "echo Loaded environment from ${bootenv};" \
- "run importbootenv;" \
- "fi;" \
- "if test -n $uenvcmd; then " \
- "echo Running uenvcmd ...;" \
- "run uenvcmd;" \
- "fi;" \
- "if run loaduimage; then " \
- "run loadfdt;" \
- "run mmcboot;" \
- "fi;" \
- "else " \
- "run nandboot;" \
- "fi;" \
+ "run mmcboot;" \
+ "setenv mmcdev 1; " \
+ "setenv bootpart 1:2; " \
+ "run mmcboot;" \
+ "run nandboot;"
/* Clock Defines */
#define V_OSCK 24000000 /* Clock output from T2 */
@@ -231,24 +246,31 @@
/* USB Device Firmware Update support */
#define CONFIG_DFU_FUNCTION
#define CONFIG_DFU_MMC
-#define CONFIG_DFU_NAND
#define CONFIG_CMD_DFU
#define DFU_ALT_INFO_MMC \
"boot part 0 1;" \
"rootfs part 0 2;" \
"MLO fat 0 1;" \
"MLO.raw mmc 100 100;" \
- "u-boot.img.raw mmc 300 3C0;" \
+ "u-boot.img.raw mmc 300 400;" \
+ "spl-os-args.raw mmc 80 80;" \
+ "spl-os-image.raw mmc 900 2000;" \
+ "spl-os-args fat 0 1;" \
+ "spl-os-image fat 0 1;" \
"u-boot.img fat 0 1;" \
"uEnv.txt fat 0 1"
+#ifdef CONFIG_NAND
+#define CONFIG_DFU_NAND
#define DFU_ALT_INFO_NAND \
"SPL part 0 1;" \
"SPL.backup1 part 0 2;" \
"SPL.backup2 part 0 3;" \
"SPL.backup3 part 0 4;" \
"u-boot part 0 5;" \
- "kernel part 0 7;" \
- "rootfs part 0 8"
+ "u-boot-spl-os part 0 6;" \
+ "kernel part 0 8;" \
+ "rootfs part 0 9"
+#endif
/* Physical Memory Map */
#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
@@ -301,8 +323,7 @@
#define CONFIG_ENV_OVERWRITE 1
#define CONFIG_SYS_CONSOLE_INFO_QUIET
-#define CONFIG_ENV_IS_NOWHERE
-
+#ifndef CONFIG_NOR_BOOT
/* Defines for SPL */
#define CONFIG_SPL
#define CONFIG_SPL_FRAMEWORK
@@ -332,14 +353,16 @@
#define CONFIG_SYS_SPL_ARGS_ADDR (PHYS_DRAM_1 + 0x100)
/* raw mmc */
-#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x500 /* address 0xa0000 */
-#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x8 /* address 0x1000 */
-#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 8 /* 4KB */
+#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900 /* address 0x120000 */
+#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x80 /* address 0x10000 */
+#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x80 /* 64KiB */
/* nand */
+#ifdef CONFIG_NAND
#define CONFIG_CMD_SPL_NAND_OFS 0x240000 /* end of u-boot */
#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000
-#define CONFIG_CMD_SPL_WRITE_SIZE 0x1000
+#define CONFIG_CMD_SPL_WRITE_SIZE 0x2000
+#endif
/* spl export command */
#define CONFIG_CMD_SPL
@@ -364,11 +387,13 @@
#define CONFIG_SPL_SPI_LOAD
#define CONFIG_SPL_SPI_BUS 0
#define CONFIG_SPL_SPI_CS 0
-#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x80000
+#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000
#define CONFIG_SPL_MUSB_NEW_SUPPORT
#define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds"
#define CONFIG_SPL_BOARD_INIT
+
+#ifdef CONFIG_NAND
#define CONFIG_SPL_NAND_AM33XX_BCH
#define CONFIG_SPL_NAND_SUPPORT
#define CONFIG_SPL_NAND_BASE
@@ -395,6 +420,8 @@
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
+#endif
+#endif
/*
* 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
@@ -402,14 +429,18 @@
* header. That is 0x800FFFC0--0x80100000 should not be used for any
* other needs.
*/
+#ifdef CONFIG_NOR_BOOT
+#define CONFIG_SYS_TEXT_BASE 0x08000000
+#else
#define CONFIG_SYS_TEXT_BASE 0x80800000
+#endif
#define CONFIG_SYS_SPL_MALLOC_START 0x80a08000
#define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000
/* Since SPL did pll and ddr initialization for us,
* we don't need to do it twice.
*/
-#ifndef CONFIG_SPL_BUILD
+#if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT)
#define CONFIG_SKIP_LOWLEVEL_INIT
#endif
@@ -450,24 +481,33 @@
#endif
/*
- * Default to using SPI for environment, etc. We have multiple copies
- * of SPL as the ROM will check these locations.
- * 0x0 - 0x20000 : First copy of SPL
- * 0x20000 - 0x40000 : Second copy of SPL
- * 0x40000 - 0x60000 : Third copy of SPL
- * 0x60000 - 0x80000 : Fourth copy of SPL
- * 0x80000 - 0xDF000 : U-Boot
- * 0xDF000 - 0xE0000 : U-Boot Environment
- * 0xE0000 - 0x442000 : Linux Kernel
+ * Default to using SPI for environment, etc.
+ * 0x000000 - 0x020000 : SPL (128KiB)
+ * 0x020000 - 0x0A0000 : U-Boot (512KiB)
+ * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB)
+ * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB)
+ * 0x0E0000 - 0x442000 : Linux Kernel
* 0x442000 - 0x800000 : Userland
*/
#if defined(CONFIG_SPI_BOOT)
-# undef CONFIG_ENV_IS_NOWHERE
-# define CONFIG_ENV_IS_IN_SPI_FLASH
-# define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
-# define CONFIG_ENV_OFFSET (892 << 10) /* 892 KiB in */
-# define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */
-#endif /* SPI support */
+#define CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+#define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
+#define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */
+#define CONFIG_ENV_OFFSET (768 << 10) /* 768 KiB in */
+#define CONFIG_ENV_OFFSET_REDUND (896 << 10) /* 896 KiB in */
+#define CONFIG_CMD_MTDPARTS
+#define MTDIDS_DEFAULT "nor0=m25p80-flash.0"
+#define MTDPARTS_DEFAULT "mtdparts=m25p80-flash.0:128k(SPL)," \
+ "512k(u-boot),128k(u-boot-env1)," \
+ "128k(u-boot-env2),3464k(kernel)," \
+ "-(rootfs)"
+#elif defined(CONFIG_EMMC_BOOT)
+#undef CONFIG_ENV_IS_NOWHERE
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_SYS_MMC_ENV_DEV 1
+#define CONFIG_SYS_MMC_ENV_PART 2
+#endif
/* Unsupported features */
#undef CONFIG_USE_IRQ
@@ -490,18 +530,10 @@
#define CONFIG_PHY_ADDR 0
#define CONFIG_PHY_SMSC
-#define CONFIG_NAND
/* NAND support */
#ifdef CONFIG_NAND
#define CONFIG_CMD_NAND
#define CONFIG_CMD_MTDPARTS
-#define MTDIDS_DEFAULT "nand0=omap2-nand.0"
-#define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:128k(SPL)," \
- "128k(SPL.backup1)," \
- "128k(SPL.backup2)," \
- "128k(SPL.backup3),1792k(u-boot)," \
- "128k(u-boot-spl-os)," \
- "128k(u-boot-env),5m(kernel),-(rootfs)"
#define CONFIG_NAND_OMAP_GPMC
#define GPMC_NAND_ECC_LP_x16_LAYOUT 1
#define CONFIG_SYS_NAND_BASE (0x08000000) /* physical address */
@@ -509,12 +541,59 @@
/* CS0 */
#define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND
devices */
-#if !defined(CONFIG_SPI_BOOT)
-#undef CONFIG_ENV_IS_NOWHERE
+#if !defined(CONFIG_SPI_BOOT) && !defined(CONFIG_NOR_BOOT)
+#define MTDIDS_DEFAULT "nand0=omap2-nand.0"
+#define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:128k(SPL)," \
+ "128k(SPL.backup1)," \
+ "128k(SPL.backup2)," \
+ "128k(SPL.backup3),1792k(u-boot)," \
+ "128k(u-boot-spl-os)," \
+ "128k(u-boot-env),5m(kernel),-(rootfs)"
#define CONFIG_ENV_IS_IN_NAND
#define CONFIG_ENV_OFFSET 0x260000 /* environment starts here */
#define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
#endif
#endif
+/*
+ * NOR Size = 16 MiB
+ * Number of Sectors/Blocks = 128
+ * Sector Size = 128 KiB
+ * Word length = 16 bits
+ * Default layout:
+ * 0x000000 - 0x07FFFF : U-Boot (512 KiB)
+ * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB)
+ * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB)
+ * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB)
+ * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB)
+ */
+#if defined(CONFIG_NOR)
+#undef CONFIG_SYS_NO_FLASH
+#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
+#define CONFIG_SYS_FLASH_PROTECTION
+#define CONFIG_SYS_FLASH_CFI
+#define CONFIG_FLASH_CFI_DRIVER
+#define CONFIG_FLASH_CFI_MTD
+#define CONFIG_SYS_MAX_FLASH_SECT 128
+#define CONFIG_SYS_MAX_FLASH_BANKS 1
+#define CONFIG_SYS_FLASH_BASE (0x08000000)
+#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT
+#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
+#ifdef CONFIG_NOR_BOOT
+#define CONFIG_ENV_IS_IN_FLASH
+#define CONFIG_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
+#define CONFIG_ENV_OFFSET (512 << 10) /* 512 KiB */
+#define CONFIG_ENV_OFFSET_REDUND (768 << 10) /* 768 KiB */
+#define CONFIG_CMD_MTDPARTS
+#define MTDIDS_DEFAULT "nor0=physmap-flash.0"
+#define MTDPARTS_DEFAULT "mtdparts=physmap-flash.0:" \
+ "512k(u-boot)," \
+ "128k(u-boot-env1)," \
+ "128k(u-boot-env2)," \
+ "4m(kernel),-(rootfs)"
+#endif
+#define CONFIG_MTD_DEVICE
+#define CONFIG_CMD_FLASH
+#endif /* NOR support */
+
#endif /* ! __CONFIG_AM335X_EVM_H */