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simplify ram_read32 on i82830 

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5404 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer 2010-04-11 18:54:47 +00:00 committed by Stefan Reinauer
parent 77d31ec4a8
commit d93af23d6a
1 changed files with 9 additions and 16 deletions
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25
src/northbridge/intel/i82830/raminit.c
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@ -75,25 +75,18 @@ static void do_ram_command(u32 command)
static void ram_read32(u8 dimm_start, u32 offset)
{
#if CONFIG_DEBUG_RAM_SETUP
u32 reg32, base_addr = 32 * 1024 * 1024 * dimm_start;
if (offset == 0x55aa55aa) {
PRINTK_DEBUG(" Reading RAM at 0x%08x => 0x%08x\n", (dimm_start * 32 * 1024 * 1024), read32(dimm_start * 32 * 1024 * 1024));
PRINTK_DEBUG(" Writing RAM at 0x%08x <= 0x%08x\n", (dimm_start * 32 * 1024 * 1024), offset);
write32(dimm_start * 32 * 1024 * 1024, offset);
PRINTK_DEBUG(" Reading RAM at 0x%08x => 0x%08x\n", (dimm_start * 32 * 1024 * 1024), read32(dimm_start * 32 * 1024 * 1024));
reg32 = read32(base_addr);
PRINTK_DEBUG(" Reading RAM at 0x%08x => 0x%08x\n", base_addr, reg32);
PRINTK_DEBUG(" Writing RAM at 0x%08x <= 0x%08x\n", base_addr, offset);
write32(base_addr, offset);
reg32 = read32(base_addr);
PRINTK_DEBUG(" Reading RAM at 0x%08x => 0x%08x\n", base_addr, reg32);
} else {
PRINTK_DEBUG(" to 0x%08x\n", (dimm_start * 32 * 1024 * 1024) + offset);
read32((dimm_start * 32 * 1024 * 1024) + offset);
PRINTK_DEBUG(" to 0x%08x\n", base_addr + offset);
read32(base_addr + offset);
}
#else
if (offset == 0x55aa55aa) {
read32(dimm_start * 32 * 1024 * 1024);
write32(dimm_start * 32 * 1024 * 1024, offset);
read32(dimm_start * 32 * 1024 * 1024);
} else {
read32((dimm_start * 32 * 1024 * 1024) + offset);
}
#endif
}
static void initialize_dimm_rows(void)