sb800: move spi prefetch and fast read mode to sb bootblock.

So we don't waste time on the first cbfs scan.

Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
[adapt persimmon with the same change, and work around romcc bug
 in bootblock code: it doesn't like MEMACCESS[idx] |= value;]

Change-Id: Ic4d0e53d3102be0de0bd18b1b8b29c500bd6d997
Reviewed-on: http://review.coreboot.org/9
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Marc Jones <marcj303@gmail.com>

1 files changed, 0 insertions, 20 deletions

diff --git a/src/mainboard/amd/persimmon/romstage.c b/src/mainboard/amd/persimmon/romstage.c
index 3f2aa10329..5ef5557a5b 100644
--- a/src/mainboard/amd/persimmon/romstage.c
+++ b/src/mainboard/amd/persimmon/romstage.c
@@ -70,26 +70,6 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
     *(volatile u32 *)(0xFED80000+0xE00+0x40) |= 1 << 1; /* 48Mhz */
     }
 
-  // early enable of PrefetchEnSPIFromHost
-  if (boot_cpu())
-    {
-    __outdword (0xcf8, 0x8000a3b8);
-    __outdword (0xcfc, __indword (0xcfc) | 1 << 24);
-    }
-
-  // early enable of SPI 33 MHz fast mode read
-  if (boot_cpu())
-    {
-    volatile u32 *spiBase = (void *) 0xa0000000;
-    u32 save;
-    __outdword (0xcf8, 0x8000a3a0);
-    save = __indword (0xcfc);
-    __outdword (0xcfc, (u32) spiBase | 2); // set temp MMIO base
-    spiBase [3] = (spiBase [3] & ~(3 << 14)) | (1 << 14);
-    spiBase [0] |= 1 << 18; // fast read enable
-    __outdword (0xcfc, save); // clear temp base
-    }
-
   if (!cpu_init_detectedx && boot_cpu()) {
     post_code(0x30);
     sb_poweron_init();