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-rw-r--r--arch/arm/cpu/arm926ejs/mxs/clock.c2
-rw-r--r--arch/arm/include/asm/arch-mxs/regs-ssp.h16
-rw-r--r--drivers/mmc/mxsmmc.c15
-rw-r--r--drivers/spi/mxs_spi.c5
4 files changed, 19 insertions, 19 deletions
diff --git a/arch/arm/cpu/arm926ejs/mxs/clock.c b/arch/arm/cpu/arm926ejs/mxs/clock.c
index 4ff19c3..5d6e12a 100644
--- a/arch/arm/cpu/arm926ejs/mxs/clock.c
+++ b/arch/arm/cpu/arm926ejs/mxs/clock.c
@@ -278,7 +278,7 @@ void mx28_set_ssp_busclock(unsigned int bus, uint32_t freq)
uint32_t reg;
uint32_t divide, rate, tgtclk;
- ssp_regs = (struct mxs_ssp_regs *)(MXS_SSP0_BASE + (bus * 0x2000));
+ ssp_regs = mxs_ssp_regs_by_bus(bus);
/*
* SSP bit rate = SSPCLK / (CLOCK_DIVIDE * (1 + CLOCK_RATE)),
diff --git a/arch/arm/include/asm/arch-mxs/regs-ssp.h b/arch/arm/include/asm/arch-mxs/regs-ssp.h
index cf52a28..4a75029 100644
--- a/arch/arm/include/asm/arch-mxs/regs-ssp.h
+++ b/arch/arm/include/asm/arch-mxs/regs-ssp.h
@@ -50,6 +50,22 @@ struct mxs_ssp_regs {
mxs_reg_32(hw_ssp_debug)
mxs_reg_32(hw_ssp_version)
};
+
+static inline struct mxs_ssp_regs *mxs_ssp_regs_by_bus(unsigned int port)
+{
+ switch (port) {
+ case 0:
+ return (struct mxs_ssp_regs *)MXS_SSP0_BASE;
+ case 1:
+ return (struct mxs_ssp_regs *)MXS_SSP1_BASE;
+ case 2:
+ return (struct mxs_ssp_regs *)MXS_SSP2_BASE;
+ case 3:
+ return (struct mxs_ssp_regs *)MXS_SSP3_BASE;
+ default:
+ return NULL;
+ }
+}
#endif
#define SSP_CTRL0_SFTRST (1 << 31)
diff --git a/drivers/mmc/mxsmmc.c b/drivers/mmc/mxsmmc.c
index aa3d1b0..2fd9ccc 100644
--- a/drivers/mmc/mxsmmc.c
+++ b/drivers/mmc/mxsmmc.c
@@ -380,20 +380,7 @@ int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int))
priv->mmc_is_wp = wp;
priv->id = id;
- switch (id) {
- case 0:
- priv->regs = (struct mxs_ssp_regs *)MXS_SSP0_BASE;
- break;
- case 1:
- priv->regs = (struct mxs_ssp_regs *)MXS_SSP1_BASE;
- break;
- case 2:
- priv->regs = (struct mxs_ssp_regs *)MXS_SSP2_BASE;
- break;
- case 3:
- priv->regs = (struct mxs_ssp_regs *)MXS_SSP3_BASE;
- break;
- }
+ priv->regs = mxs_ssp_regs_by_bus(id);
sprintf(mmc->name, "MXS MMC");
mmc->send_cmd = mxsmmc_send_cmd;
diff --git a/drivers/spi/mxs_spi.c b/drivers/spi/mxs_spi.c
index 42e4c99..31cd77d 100644
--- a/drivers/spi/mxs_spi.c
+++ b/drivers/spi/mxs_spi.c
@@ -80,7 +80,6 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
unsigned int max_hz, unsigned int mode)
{
struct mxs_spi_slave *mxs_slave;
- uint32_t addr;
struct mxs_ssp_regs *ssp_regs;
int reg;
@@ -96,13 +95,11 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
if (mxs_dma_init_channel(bus))
goto err_init;
- addr = MXS_SSP0_BASE + (bus * MXS_SPI_PORT_OFFSET);
-
mxs_slave->slave.bus = bus;
mxs_slave->slave.cs = cs;
mxs_slave->max_khz = max_hz / 1000;
mxs_slave->mode = mode;
- mxs_slave->regs = (struct mxs_ssp_regs *)addr;
+ mxs_slave->regs = mxs_ssp_regs_by_bus(bus);
ssp_regs = mxs_slave->regs;
reg = readl(&ssp_regs->hw_ssp_ctrl0);