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authorHeiko Schocher <hs@denx.de>2010-09-17 13:10:42 +0200
committerWolfgang Denk <wd@denx.de>2010-09-19 19:29:54 +0200
commitab86f72c354f9b2572340f72b74ca0a258c451bd (patch)
tree33cadeb2dbb7f31824789189621305d6eda772ab /board/keymile/km_arm
parent561142af20f1fd7b425d9425730014e656defb91 (diff)
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ARM: implement relocation for ARM926
Change the implementation for arm926 to relocate the code to an arbitrary address in RAM. Adapt the TX25 (i.MX25), magnesium board to test the changes. On the tx25 board TEXT_BASE is set to the final relocation address to prevent one more copying of u-boot code when relocating. More info see: doc/README.arm-relocation da850 board: Tested-by: Ben Gardiner <bengardiner@nanometrics.ca> Portions of this work were supported by funding from the CE Linux Forum. Signed-off-by: Heiko Schocher <hs@denx.de> Cc: Ben Gardiner <bengardiner@nanometrics.ca>
Diffstat (limited to 'board/keymile/km_arm')
-rw-r--r--board/keymile/km_arm/km_arm.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/board/keymile/km_arm/km_arm.c b/board/keymile/km_arm/km_arm.c
index d7cbd7a..7c0b858 100644
--- a/board/keymile/km_arm/km_arm.c
+++ b/board/keymile/km_arm/km_arm.c
@@ -225,6 +225,7 @@ U_BOOT_CMD(
);
#endif
+#if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
int dram_init(void)
{
int i;
@@ -234,9 +235,32 @@ int dram_init(void)
gd->bd->bi_dram[i].size = get_ram_size((long *)kw_sdram_bar(i),
kw_sdram_bs(i));
}
+
+ return 0;
+}
+#else
+int dram_init(void)
+{
+ /* dram_init must store complete ramsize in gd->ram_size */
+ /* Fix this */
+ gd->ram_size = get_ram_size((volatile void *)kw_sdram_bar(0),
+ kw_sdram_bs(0));
return 0;
}
+void dram_init_banksize(void)
+{
+ int i;
+
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+ gd->bd->bi_dram[i].start = kw_sdram_bar(i);
+ gd->bd->bi_dram[i].size = kw_sdram_bs(i);
+ gd->bd->bi_dram[i].size = get_ram_size((long *)kw_sdram_bar(i),
+ kw_sdram_bs(i));
+ }
+}
+#endif
+
/* Configure and enable MV88E1118 PHY */
void reset_phy(void)
{