diff options
Diffstat (limited to 'board/amcc/taihu/taihu.c')
| -rw-r--r-- | board/amcc/taihu/taihu.c | 58 |
1 files changed, 10 insertions, 48 deletions
diff --git a/board/amcc/taihu/taihu.c b/board/amcc/taihu/taihu.c index eedde597b8..e4fdf4ae74 100644 --- a/board/amcc/taihu/taihu.c +++ b/board/amcc/taihu/taihu.c @@ -165,16 +165,20 @@ unsigned char spi_read(void) return (unsigned char)gpio_read_in_bit(SPI_DIN_GPIO15); } -void taihu_spi_chipsel(int cs) +int spi_cs_is_valid(unsigned int bus, unsigned int cs) { - gpio_write_bit(SPI_CS_GPIO0, cs); + return bus == 0 && cs == 0; } -spi_chipsel_type spi_chipsel[]= { - taihu_spi_chipsel -}; +void spi_cs_activate(struct spi_slave *slave) +{ + gpio_write_bit(SPI_CS_GPIO0, 1); +} -int spi_chipsel_cnt = sizeof(spi_chipsel) / sizeof(spi_chipsel[0]); +void spi_cs_deactivate(struct spi_slave *slave) +{ + gpio_write_bit(SPI_CS_GPIO0, 0); +} #ifdef CONFIG_PCI static unsigned char int_lines[32] = { @@ -196,45 +200,3 @@ int pci_pre_init(struct pci_controller *hose) return 1; } #endif /* CONFIG_PCI */ - -#ifdef CFG_DRAM_TEST -int testdram(void) -{ - unsigned long *mem = (unsigned long *)0; - const unsigned long kend = (1024 / sizeof(unsigned long)); - unsigned long k, n; - unsigned long msr; - unsigned long total_kbytes = CFG_SDRAM_SIZE_PER_BANK * CFG_SDRAM_BANKS / 1024; - - msr = mfmsr(); - mtmsr(msr & ~(MSR_EE)); - - for (k = 0; k < total_kbytes ; - ++k, mem += (1024 / sizeof(unsigned long))) { - if ((k & 1023) == 0) - printf("%3d MB\r", k / 1024); - - memset(mem, 0xaaaaaaaa, 1024); - for (n = 0; n < kend; ++n) { - if (mem[n] != 0xaaaaaaaa) { - printf("SDRAM test fails at: %08x\n", - (uint) & mem[n]); - return 1; - } - } - - memset(mem, 0x55555555, 1024); - for (n = 0; n < kend; ++n) { - if (mem[n] != 0x55555555) { - printf("SDRAM test fails at: %08x\n", - (uint) & mem[n]); - return 1; - } - } - } - printf("SDRAM test passes\n"); - mtmsr(msr); - - return 0; -} -#endif /* CFG_DRAM_TEST */ |