diff options
| author | Tom Rini <trini@ti.com> | 2013-02-08 11:20:15 +0000 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-02-18 13:51:20 -0500 |
| commit | 4adfcd68cc10449e2fda0f9fac8b09f2b5c09a02 (patch) | |
| tree | 7ba3b31c35e8f3b184cb7cb77e14d51495d6f347 /include/configs/am335x_evm.h | |
| parent | 427ac8cca34516c9e3845fee40d7fbd6f3293aec (diff) | |
| download | u-boot-imx-4adfcd68cc10449e2fda0f9fac8b09f2b5c09a02.zip u-boot-imx-4adfcd68cc10449e2fda0f9fac8b09f2b5c09a02.tar.gz u-boot-imx-4adfcd68cc10449e2fda0f9fac8b09f2b5c09a02.tar.bz2 | |
am335x evm: Add am335x_evm_spiboot target
This target will move the environment into SPI flash and documents
the expected layout. We correct the SPL define for where U-Boot is
and remove an unused define.
Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'include/configs/am335x_evm.h')
| -rw-r--r-- | include/configs/am335x_evm.h | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h index 259d01e..0dc2a50 100644 --- a/include/configs/am335x_evm.h +++ b/include/configs/am335x_evm.h @@ -280,8 +280,7 @@ #define CONFIG_SPL_SPI_LOAD #define CONFIG_SPL_SPI_BUS 0 #define CONFIG_SPL_SPI_CS 0 -#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 -#define CONFIG_SYS_SPI_U_BOOT_SIZE 0x40000 +#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x80000 #define CONFIG_SPL_MUSB_NEW_SUPPORT #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds" @@ -371,6 +370,26 @@ #undef CONFIG_EXTRA_ENV_SETTINGS #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 + * 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 */ + /* Unsupported features */ #undef CONFIG_USE_IRQ @@ -403,10 +422,12 @@ /* CS0 */ #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ +#if !defined(CONFIG_SPI_BOOT) #undef CONFIG_ENV_IS_NOWHERE #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 #endif /* ! __CONFIG_AM335X_EVM_H */ |