summaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
authorWolfgang Denk <wd@denx.de>2012-04-30 16:41:23 +0200
committerWolfgang Denk <wd@denx.de>2012-04-30 16:41:23 +0200
commit99310d144852a8f0b7dbb3d9c7b575c37781b2c1 (patch)
tree2bf157d27c2aef7103c3f0c947c37eaa7420cbcd /arch
parent48680493092b72f084b60757889fae3d7ee62058 (diff)
parent51d0f7c694816e459aff81816502d72619c9feb3 (diff)
downloadu-boot-imx-99310d144852a8f0b7dbb3d9c7b575c37781b2c1.zip
u-boot-imx-99310d144852a8f0b7dbb3d9c7b575c37781b2c1.tar.gz
u-boot-imx-99310d144852a8f0b7dbb3d9c7b575c37781b2c1.tar.bz2
Merge branch 'master' of git://git.denx.de/u-boot-blackfin
* 'master' of git://git.denx.de/u-boot-blackfin: Blackfin: bfin_sdh: drop dos part hardcode Blackfin: move gd/bd to bss by default Blackfin: gd_t: relocate volatile markings
Diffstat (limited to 'arch')
-rw-r--r--arch/blackfin/include/asm/config.h8
-rw-r--r--arch/blackfin/include/asm/global_data.h2
-rw-r--r--arch/blackfin/lib/board.c58
3 files changed, 44 insertions, 24 deletions
diff --git a/arch/blackfin/include/asm/config.h b/arch/blackfin/include/asm/config.h
index 1a8de49..25cd833 100644
--- a/arch/blackfin/include/asm/config.h
+++ b/arch/blackfin/include/asm/config.h
@@ -109,14 +109,8 @@
#ifndef CONFIG_SYS_MALLOC_BASE
# define CONFIG_SYS_MALLOC_BASE (CONFIG_SYS_MONITOR_BASE - CONFIG_SYS_MALLOC_LEN)
#endif
-#ifndef CONFIG_SYS_GBL_DATA_ADDR
-# define CONFIG_SYS_GBL_DATA_ADDR (CONFIG_SYS_MALLOC_BASE - GENERATED_GBL_DATA_SIZE)
-#endif
-#ifndef CONFIG_SYS_BD_INFO_ADDR
-# define CONFIG_SYS_BD_INFO_ADDR (CONFIG_SYS_GBL_DATA_ADDR - GENERATED_BD_INFO_SIZE)
-#endif
#ifndef CONFIG_STACKBASE
-# define CONFIG_STACKBASE (CONFIG_SYS_BD_INFO_ADDR - 4)
+# define CONFIG_STACKBASE (CONFIG_SYS_MALLOC_BASE - 4)
#endif
#ifndef CONFIG_SYS_MEMTEST_START
# define CONFIG_SYS_MEMTEST_START 0
diff --git a/arch/blackfin/include/asm/global_data.h b/arch/blackfin/include/asm/global_data.h
index 67aa30f..973ea29 100644
--- a/arch/blackfin/include/asm/global_data.h
+++ b/arch/blackfin/include/asm/global_data.h
@@ -73,6 +73,6 @@ typedef struct global_data {
#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
#define GD_FLG_ENV_READY 0x00080 /* Environment imported into hash table */
-#define DECLARE_GLOBAL_DATA_PTR register gd_t * volatile gd asm ("P3")
+#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("P3")
#endif
diff --git a/arch/blackfin/lib/board.c b/arch/blackfin/lib/board.c
index e3ee4cd..2d424a2 100644
--- a/arch/blackfin/lib/board.c
+++ b/arch/blackfin/lib/board.c
@@ -181,6 +181,46 @@ void init_cplbtables(void)
}
}
+static int global_board_data_init(void)
+{
+#ifndef CONFIG_SYS_GBL_DATA_ADDR
+# define CONFIG_SYS_GBL_DATA_ADDR 0
+#endif
+#ifndef CONFIG_SYS_BD_INFO_ADDR
+# define CONFIG_SYS_BD_INFO_ADDR 0
+#endif
+
+ bd_t *bd;
+
+ if (CONFIG_SYS_GBL_DATA_ADDR) {
+ gd = (gd_t *) (CONFIG_SYS_GBL_DATA_ADDR);
+ memset((void *)gd, 0, GENERATED_GBL_DATA_SIZE);
+ } else {
+ static gd_t _bfin_gd;
+ gd = &_bfin_gd;
+ }
+
+ if (CONFIG_SYS_BD_INFO_ADDR) {
+ bd = (bd_t *) (CONFIG_SYS_BD_INFO_ADDR);
+ memset(bd, 0, GENERATED_BD_INFO_SIZE);
+ } else {
+ static bd_t _bfin_bd;
+ bd = &_bfin_bd;
+ }
+ gd->bd = bd;
+
+ bd->bi_r_version = version_string;
+ bd->bi_cpu = MK_STR(CONFIG_BFIN_CPU);
+ bd->bi_board_name = BFIN_BOARD_NAME;
+ bd->bi_vco = get_vco();
+ bd->bi_cclk = get_cclk();
+ bd->bi_sclk = get_sclk();
+ bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
+ bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
+
+ return 0;
+}
+
/*
* All attempts to come up with a "common" initialization sequence
* that works for all boards and architectures failed: some of the
@@ -201,7 +241,6 @@ extern int timer_init(void);
void board_init_f(ulong bootflag)
{
- bd_t *bd;
char buf[32];
#ifdef CONFIG_BOARD_EARLY_INIT_F
@@ -234,21 +273,8 @@ void board_init_f(ulong bootflag)
hang();
#endif
serial_early_puts("Init global data\n");
- gd = (gd_t *) (CONFIG_SYS_GBL_DATA_ADDR);
- memset((void *)gd, 0, GENERATED_GBL_DATA_SIZE);
-
- bd = (bd_t *) (CONFIG_SYS_BD_INFO_ADDR);
- gd->bd = bd;
- memset((void *)bd, 0, GENERATED_BD_INFO_SIZE);
- bd->bi_r_version = version_string;
- bd->bi_cpu = MK_STR(CONFIG_BFIN_CPU);
- bd->bi_board_name = BFIN_BOARD_NAME;
- bd->bi_vco = get_vco();
- bd->bi_cclk = get_cclk();
- bd->bi_sclk = get_sclk();
- bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
- bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
+ global_board_data_init();
/* Initialize */
serial_early_puts("IRQ init\n");
@@ -276,7 +302,7 @@ void board_init_f(ulong bootflag)
if (CONFIG_MEM_SIZE) {
printf("RAM: ");
- print_size(bd->bi_memsize, "\n");
+ print_size(gd->bd->bi_memsize, "\n");
}
#if defined(CONFIG_POST)