diff options
| author | Tom Rini <trini@ti.com> | 2013-08-20 08:53:43 -0400 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-08-28 11:44:58 -0400 |
| commit | c27efde68dfd7fd2da364d556d586495e78d3396 (patch) | |
| tree | 253c40794a710b3b2fec9dfeb09f6f177bc2052c | |
| parent | 372d7fa1bf23a33066a8a88b6fb01ea931ae1b91 (diff) | |
| download | u-boot-imx-c27efde68dfd7fd2da364d556d586495e78d3396.zip u-boot-imx-c27efde68dfd7fd2da364d556d586495e78d3396.tar.gz u-boot-imx-c27efde68dfd7fd2da364d556d586495e78d3396.tar.bz2 | |
am33xx: Correct and expand comments on CONFIG_SPL_MAX_SIZE
We had been allowing the max size to be larger than actually allowed by
the ROM. Expand the commentary here to explain why we set these
locations.
Signed-off-by: Tom Rini <trini@ti.com>
| -rw-r--r-- | arch/arm/include/asm/arch-am33xx/omap.h | 2 | ||||
| -rw-r--r-- | include/configs/ti_am335x_common.h | 10 |
2 files changed, 9 insertions, 3 deletions
diff --git a/arch/arm/include/asm/arch-am33xx/omap.h b/arch/arm/include/asm/arch-am33xx/omap.h index 1f84311..2250721 100644 --- a/arch/arm/include/asm/arch-am33xx/omap.h +++ b/arch/arm/include/asm/arch-am33xx/omap.h @@ -18,7 +18,7 @@ #ifdef CONFIG_AM33XX #define NON_SECURE_SRAM_START 0x402F0400 #define NON_SECURE_SRAM_END 0x40310000 -#define SRAM_SCRATCH_SPACE_ADDR 0x4030C000 +#define SRAM_SCRATCH_SPACE_ADDR 0x4030B800 #elif defined(CONFIG_TI81XX) #define NON_SECURE_SRAM_START 0x40300000 #define NON_SECURE_SRAM_END 0x40320000 diff --git a/include/configs/ti_am335x_common.h b/include/configs/ti_am335x_common.h index fd3ffab..0eae9c8 100644 --- a/include/configs/ti_am335x_common.h +++ b/include/configs/ti_am335x_common.h @@ -41,9 +41,15 @@ #define CONFIG_BOOTP_SUBNETMASK #define CONFIG_NET_RETRY_COUNT 10 -/* SPL defines. */ +/* + * SPL related defines. The Public RAM memory map the ROM defines the + * area between 0x402F0400 and 0x4030B800 as a download area and + * 0x4030B800 to 0x4030CE00 as a public stack area. The ROM also + * supports X-MODEM loading via UART, and we leverage this and then use + * Y-MODEM to load u-boot.img, when booted over UART. + */ #define CONFIG_SPL_TEXT_BASE 0x402F0400 -#define CONFIG_SPL_MAX_SIZE (0x4030C000 - CONFIG_SPL_TEXT_BASE) +#define CONFIG_SPL_MAX_SIZE (0x4030B800 - CONFIG_SPL_TEXT_BASE) #define CONFIG_SPL_YMODEM_SUPPORT /* |