summaryrefslogtreecommitdiff
path: root/board/sacsng
diff options
context:
space:
mode:
authorWolfgang Denk <wd@denx.de>2008-06-05 01:12:30 +0200
committerWolfgang Denk <wd@denx.de>2008-06-05 01:12:30 +0200
commit8155efbd7ae9c65564ca98affe94631d612ae088 (patch)
tree23f89ba651f48bf88c653796cb64f2c58d2f0515 /board/sacsng
parent5e1882df6a3efc7de5524d28cea4ecde7d163d54 (diff)
parent9ef1cbef1a649e3779298b0e663be4865cbbbfbc (diff)
downloadu-boot-imx-8155efbd7ae9c65564ca98affe94631d612ae088.zip
u-boot-imx-8155efbd7ae9c65564ca98affe94631d612ae088.tar.gz
u-boot-imx-8155efbd7ae9c65564ca98affe94631d612ae088.tar.bz2
Merge branch 'master' of ssh://mercury/home/wd/git/u-boot/master
Diffstat (limited to 'board/sacsng')
-rw-r--r--board/sacsng/sacsng.c35
1 files changed, 14 insertions, 21 deletions
diff --git a/board/sacsng/sacsng.c b/board/sacsng/sacsng.c
index 25209e0..e85a0fc 100644
--- a/board/sacsng/sacsng.c
+++ b/board/sacsng/sacsng.c
@@ -842,37 +842,30 @@ void show_boot_progress (int status)
#define SPI_ADC_CS_MASK 0x00000800
#define SPI_DAC_CS_MASK 0x00001000
-void spi_adc_chipsel(int cs)
+static const u32 cs_mask[] = {
+ SPI_ADC_CS_MASK,
+ SPI_DAC_CS_MASK,
+};
+
+int spi_cs_is_valid(unsigned int bus, unsigned int cs)
+{
+ return bus == 0 && cs < sizeof(cs_mask) / sizeof(cs_mask[0]);
+}
+
+void spi_cs_activate(struct spi_slave *slave)
{
volatile ioport_t *iopd = ioport_addr((immap_t *)CFG_IMMR, 3 /* port D */);
- if(cs)
- iopd->pdat &= ~SPI_ADC_CS_MASK; /* activate the chip select */
- else
- iopd->pdat |= SPI_ADC_CS_MASK; /* deactivate the chip select */
+ iopd->pdat &= ~cs_mask[slave->cs];
}
-void spi_dac_chipsel(int cs)
+void spi_cs_deactivate(struct spi_slave *slave)
{
volatile ioport_t *iopd = ioport_addr((immap_t *)CFG_IMMR, 3 /* port D */);
- if(cs)
- iopd->pdat &= ~SPI_DAC_CS_MASK; /* activate the chip select */
- else
- iopd->pdat |= SPI_DAC_CS_MASK; /* deactivate the chip select */
+ iopd->pdat |= cs_mask[slave->cs];
}
-/*
- * The SPI command uses this table of functions for controlling the SPI
- * chip selects: it calls the appropriate function to control the SPI
- * chip selects.
- */
-spi_chipsel_type spi_chipsel[] = {
- spi_adc_chipsel,
- spi_dac_chipsel
-};
-int spi_chipsel_cnt = sizeof(spi_chipsel) / sizeof(spi_chipsel[0]);
-
#endif
#endif /* CONFIG_MISC_INIT_R */