diff options
Diffstat (limited to 'board/amcc')
| -rw-r--r-- | board/amcc/taihu/taihu.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/board/amcc/taihu/taihu.c b/board/amcc/taihu/taihu.c index eedde59..891b4d9 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] = { |