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-rw-r--r--board/armltd/integrator/integrator.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/board/armltd/integrator/integrator.c b/board/armltd/integrator/integrator.c
index c8d2bc7..83f047c 100644
--- a/board/armltd/integrator/integrator.c
+++ b/board/armltd/integrator/integrator.c
@@ -86,6 +86,15 @@ int misc_init_r (void)
return (0);
}
+/*
+ * The Integrator remaps the Flash memory to 0x00000000 and executes U-Boot
+ * from there, which means we cannot test the RAM underneath the ROM at this
+ * point. It will be unmapped later on, when we are executing from the
+ * relocated in RAM U-Boot. We simply assume that this RAM is usable if the
+ * RAM on higher addresses works fine.
+ */
+#define REMAPPED_FLASH_SZ 0x40000
+
int dram_init (void)
{
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
@@ -111,15 +120,17 @@ extern void dram_query(void);
*
*/
sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4;
- gd->bd->bi_dram[0].size = 0x01000000 << sdram_shift;
- gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
+ gd->ram_size = get_ram_size((long *) CONFIG_SYS_SDRAM_BASE +
+ REMAPPED_FLASH_SZ,
0x01000000 << sdram_shift);
}
#else
- gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
- gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
+ gd->ram_size = get_ram_size((long *) CONFIG_SYS_SDRAM_BASE +
+ REMAPPED_FLASH_SZ,
PHYS_SDRAM_1_SIZE);
#endif /* CM_SPD_DETECT */
+ /* We only have one bank of RAM, set it to whatever was detected */
+ gd->bd->bi_dram[0].size = gd->ram_size;
return 0;
}