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This patch adds support for VIA SPI controller on VT8237S. It is similar with

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few documented exceptions to ICH7 SPI controller.

Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Acked-by: Peter Stuge <peter@stuge.se>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3398 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Rudolf Marek
2008-06-30 21:38:30 +00:00
parent 7b425c1c11
commit 4a17e02003
4 changed files with 71 additions and 32 deletions
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20
util/flashrom/chipset_enable.c
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@@ -187,6 +187,24 @@ static int enable_flash_ich_dc(struct pci_dev *dev, const char *name)
void *ich_spibar = NULL;
static int enable_flash_vt8237s_spi(struct pci_dev *dev, const char *name) {
uint32_t mmio_base;
mmio_base = (pci_read_long(dev, 0xbc)) << 8;
printf_debug("MMIO base at = 0x%x\n", mmio_base);
ich_spibar = mmap(NULL, 0x70, PROT_READ | PROT_WRITE, MAP_SHARED,
fd_mem, mmio_base);
if (ich_spibar == MAP_FAILED) {
perror("Can't mmap memory using " MEM_DEV);
exit(1);
}
printf_debug("0x6c: 0x%04x (CLOCK/DEBUG)\n", *(uint16_t *)(ich_spibar + 0x6c));
viaspi_detected = 1;
return 0;
}
static int enable_flash_ich_dc_spi(struct pci_dev *dev, const char *name, unsigned long spibar)
{
uint8_t old, new, bbs, buc;
@@ -270,6 +288,7 @@ static int enable_flash_ich_dc_spi(struct pci_dev *dev, const char *name, unsign
/* Flag for ICH7 SPI register block */
int ich7_detected = 0;
int viaspi_detected = 0;
static int enable_flash_ich7(struct pci_dev *dev, const char *name)
{
@@ -660,6 +679,7 @@ static const FLASH_ENABLE enables[] = {
{0x1106, 0x8231, "VIA VT8231", enable_flash_vt823x},
{0x1106, 0x3177, "VIA VT8235", enable_flash_vt823x},
{0x1106, 0x3227, "VIA VT8237", enable_flash_vt823x},
{0x1106, 0x3372, "VIA VT8237S", enable_flash_vt8237s_spi},
{0x1106, 0x8324, "VIA CX700", enable_flash_vt823x},
{0x1106, 0x0686, "VIA VT82C686", enable_flash_amd8111},
{0x1078, 0x0100, "AMD CS5530(A)", enable_flash_cs5530},