This action is need to make I2C communication with PMIC stable for low temperature. Print current I2C speed in SPL for visual control.

Signed-off-by: Yegor Yefremov yegorslists@googlemail.com --- board/vscom/baltos/board.c | 2 ++ include/configs/baltos.h | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/board/vscom/baltos/board.c b/board/vscom/baltos/board.c index 99ca60e..09bc8c6 100644 --- a/board/vscom/baltos/board.c +++ b/board/vscom/baltos/board.c @@ -184,6 +184,8 @@ void am33xx_spl_board_init(void) */ i2c_set_bus_num(1);

+ printf("I2C speed: %d Hz\n", CONFIG_SYS_OMAP24_I2C_SPEED); + if (i2c_probe(TPS65910_CTRL_I2C_ADDR)) { puts("i2c: cannot access TPS65910\n"); return; diff --git a/include/configs/baltos.h b/include/configs/baltos.h index 632523e..31de97f 100644 --- a/include/configs/baltos.h +++ b/include/configs/baltos.h @@ -52,7 +52,7 @@

/* I2C configuration */ #undef CONFIG_SYS_OMAP24_I2C_SPEED -#define CONFIG_SYS_OMAP24_I2C_SPEED 10000 +#define CONFIG_SYS_OMAP24_I2C_SPEED 1000

#ifdef CONFIG_NAND #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x000c0000

Specify proper U-Boot offset, enable prefetch mode, increase bootm size and add FIT fallback, if board_name is not present in kernel-fit.itb image.

Signed-off-by: Yegor Yefremov yegorslists@googlemail.com --- include/configs/baltos.h | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/include/configs/baltos.h b/include/configs/baltos.h index 31de97f..fb7818a 100644 --- a/include/configs/baltos.h +++ b/include/configs/baltos.h @@ -16,6 +16,7 @@ #ifndef __CONFIG_BALTOS_H #define __CONFIG_BALTOS_H

+#include <linux/sizes.h> #include <configs/ti_am335x_common.h>

#define MACH_TYPE_TIAM335EVM 3589 /* Until the next sync */ @@ -39,6 +40,7 @@ #define CONFIG_CMD_PART

/* FIT support */ +#define CONFIG_SYS_BOOTM_LEN SZ_64M #define CONFIG_OF_BOARD_SETUP

/* UBI Support */ @@ -54,8 +56,9 @@ #undef CONFIG_SYS_OMAP24_I2C_SPEED #define CONFIG_SYS_OMAP24_I2C_SPEED 1000

+#undef CONFIG_SPL_OS_BOOT #ifdef CONFIG_NAND -#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x000c0000 +#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x00080000 #ifdef CONFIG_SPL_OS_BOOT #define CONFIG_CMD_SPL_NAND_OFS 0x00080000 /* os parameters */ #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x00200000 /* kernel offset */ @@ -78,7 +81,9 @@ "ubifsmount ubi0:kernel; " \ "ubifsload $loadaddr kernel-fit.itb;" \ "ubifsumount; " \ - "bootm ${loadaddr}#conf${board_name}\0" + "bootm ${loadaddr}#conf${board_name}; " \ + "if test $? -ne 0; then echo Using default FIT config; " \ + "bootm ${loadaddr}; fi;\0" #else #define NANDARGS "" #endif @@ -234,6 +239,7 @@

#ifdef CONFIG_NAND #define CONFIG_NAND_OMAP_GPMC +#define CONFIG_NAND_OMAP_GPMC_PREFETCH #define CONFIG_NAND_OMAP_ELM #define CONFIG_SYS_NAND_5_ADDR_CYCLE #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \

On 6 July 2015 at 09:28, Yegor Yefremov yegorslists@googlemail.com wrote:

Signed-off-by: Yegor Yefremov yegorslists@googlemail.com

configs/am335x_baltos_defconfig | 4 ++-- include/configs/baltos.h | 2 -- 2 files changed, 2 insertions(+), 4 deletions(-)

Reviewed-by: Simon Glass sjg@chromium.org

But please remember to add a commit message with your patches.

diff --git a/configs/am335x_baltos_defconfig b/configs/am335x_baltos_defconfig index bf73919..8e8a897 100644 --- a/configs/am335x_baltos_defconfig +++ b/configs/am335x_baltos_defconfig @@ -3,9 +3,9 @@ CONFIG_TARGET_AM335X_BALTOS=y CONFIG_SPL=y CONFIG_SPL_STACK_R=y CONFIG_SPL_STACK_R_ADDR=0x82000000 +CONFIG_FIT=y +CONFIG_FIT_VERBOSE=y CONFIG_SYS_EXTRA_OPTIONS="NAND" -CONFIG_CONS_INDEX=1 # CONFIG_CMD_IMLS is not set # CONFIG_CMD_FLASH is not set # CONFIG_CMD_SETEXPR is not set -# CONFIG_CMD_NET is not set diff --git a/include/configs/baltos.h b/include/configs/baltos.h index 68bfee5..632523e 100644 --- a/include/configs/baltos.h +++ b/include/configs/baltos.h @@ -39,8 +39,6 @@ #define CONFIG_CMD_PART

/* FIT support */ -#define CONFIG_FIT -#define CONFIG_FIT_VERBOSE 1 /* enable fit_format_{error,warning}() */ #define CONFIG_OF_BOARD_SETUP

/* UBI Support */

2.1.0

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