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| author | Michal Simek <monstr@monstr.eu> | 2010-12-21 09:32:44 +0100 | 
|---|---|---|
| committer | Michal Simek <monstr@monstr.eu> | 2011-01-10 08:52:32 +0100 | 
| commit | 1020286ef47bfa3b30430fbaa3f0dd464ff6eb9e (patch) | |
| tree | 8e9592fa2a53b7090c0c283a90d8c859a32703fc | |
| parent | 68e99e54e9e3e0c1b3b45929dc94c26932b851d5 (diff) | |
| download | olio-uboot-2014.01-1020286ef47bfa3b30430fbaa3f0dd464ff6eb9e.tar.xz olio-uboot-2014.01-1020286ef47bfa3b30430fbaa3f0dd464ff6eb9e.zip | |
microblaze: Fix bd_info pointer
Patch "Replace CONFIG_SYS_GBL_DATA_SIZE by auto-generated value"
(sha1: 25ddd1fb0a2281b182529afbc8fda5de2dc16d96)
introduce GENERATED_GBL_DATA_SIZE which is sizeof aligned gd_t
(currently 0x40).
Microblaze configs used 0x40(128) because this place also contained
board info structure which lies on the top of ram.
U-Boot is placed to the top of the ram (for example 0xd7ffffff)
and bd structure was moved out of ram.
This patch is fixing this scheme with GENERATED_BD_INFO_SIZE
which swap global data and board info structures.
For example:
Current: gd 0xd7ffffc0, bd 0xd8000000
Fixed:   gd 0xd7ffffc0, bd 0xd7ffff90
Signed-off-by: Michal Simek <monstr@monstr.eu>
| -rw-r--r-- | arch/microblaze/lib/board.c | 8 | ||||
| -rw-r--r-- | include/configs/microblaze-generic.h | 8 | 
2 files changed, 9 insertions, 7 deletions
| diff --git a/arch/microblaze/lib/board.c b/arch/microblaze/lib/board.c index eeef579dc..b06212efd 100644 --- a/arch/microblaze/lib/board.c +++ b/arch/microblaze/lib/board.c @@ -90,16 +90,18 @@ void board_init (void)  {  	bd_t *bd;  	init_fnc_t **init_fnc_ptr; -	gd = (gd_t *) CONFIG_SYS_GBL_DATA_OFFSET; +	gd = (gd_t *) (CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET); +	bd = (bd_t *) (CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET \ +						- GENERATED_BD_INFO_SIZE);  	char *s;  #if defined(CONFIG_CMD_FLASH)  	ulong flash_size = 0;  #endif  	asm ("nop");	/* FIXME gd is not initialize - wait */  	memset ((void *)gd, 0, GENERATED_GBL_DATA_SIZE); -	gd->bd = (bd_t *) (gd + 1);	/* At end of global data */ +	memset ((void *)bd, 0, GENERATED_BD_INFO_SIZE); +	gd->bd = bd;  	gd->baudrate = CONFIG_BAUDRATE; -	bd = gd->bd;  	bd->bi_baudrate = CONFIG_BAUDRATE;  	bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;  	bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; diff --git a/include/configs/microblaze-generic.h b/include/configs/microblaze-generic.h index 75e4e0761..090ab3bc2 100644 --- a/include/configs/microblaze-generic.h +++ b/include/configs/microblaze-generic.h @@ -137,14 +137,14 @@  /* global pointer */  /* start of global data */  #define	CONFIG_SYS_GBL_DATA_OFFSET \ -	(CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_SDRAM_SIZE \ -				- GENERATED_GBL_DATA_SIZE) +		(CONFIG_SYS_SDRAM_SIZE - GENERATED_GBL_DATA_SIZE)  /* monitor code */  #define	SIZE				0x40000 -#define	CONFIG_SYS_MONITOR_LEN		(SIZE - GENERATED_GBL_DATA_SIZE) +#define	CONFIG_SYS_MONITOR_LEN		SIZE  #define	CONFIG_SYS_MONITOR_BASE	\ -			(CONFIG_SYS_GBL_DATA_OFFSET - CONFIG_SYS_MONITOR_LEN) +		(CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET \ +			- CONFIG_SYS_MONITOR_LEN - GENERATED_BD_INFO_SIZE)  #define	CONFIG_SYS_MONITOR_END \  			(CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)  #define	CONFIG_SYS_MALLOC_LEN		SIZE |