diff options
| author | Marshall Buschman <mbuschman@lucidmachines.com> | 2011-06-04 15:44:31 +0000 |
|---|---|---|
| committer | Peter Stuge <peter@stuge.se> | 2011-06-04 15:44:31 +0000 |
| commit | b3ee0d6bd6df18b61779f64c8b0abf19b1dce018 (patch) | |
| tree | fb574b610b964d3e95a9806e2edde42e4ef336f3 /src | |
| parent | 69e1bfcf341713be9cafa3565a0329a902cfb4f1 (diff) | |
Port persimmon r6582 to e350m1: 33 MHz SPI read early
Enable 33 MHz fast mode SPI read early to reduce boot time.
Signed-off-by: Marshall Buschman <mbuschman@lucidmachines.com>
Acked-by: Peter Stuge <peter@stuge.se>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6625 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/asrock/e350m1/romstage.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/mainboard/asrock/e350m1/romstage.c b/src/mainboard/asrock/e350m1/romstage.c index d63fbe81cb..d761d73555 100644 --- a/src/mainboard/asrock/e350m1/romstage.c +++ b/src/mainboard/asrock/e350m1/romstage.c @@ -47,6 +47,19 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) u32 val; u8 reg8; + // 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(); |