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-rw-r--r--drivers/spi/mpc52xx_psc_spi.c77
-rw-r--r--drivers/spi/spi_mpc83xx.c6
2 files changed, 6 insertions, 77 deletions
diff --git a/drivers/spi/mpc52xx_psc_spi.c b/drivers/spi/mpc52xx_psc_spi.c
index 7051e6c5edc..253ed5682a6 100644
--- a/drivers/spi/mpc52xx_psc_spi.c
+++ b/drivers/spi/mpc52xx_psc_spi.c
@@ -330,75 +330,13 @@ static void mpc52xx_psc_spi_cleanup(struct spi_device *spi)
static int mpc52xx_psc_spi_port_config(int psc_id, struct mpc52xx_psc_spi *mps)
{
- struct mpc52xx_cdm __iomem *cdm;
- struct mpc52xx_gpio __iomem *gpio;
struct mpc52xx_psc __iomem *psc = mps->psc;
- u32 ul;
u32 mclken_div;
int ret = 0;
-#if defined(CONFIG_PPC_MERGE)
- cdm = mpc52xx_find_and_map("mpc5200-cdm");
- gpio = mpc52xx_find_and_map("mpc5200-gpio");
-#else
- cdm = ioremap(MPC52xx_PA(MPC52xx_CDM_OFFSET), MPC52xx_CDM_SIZE);
- gpio = ioremap(MPC52xx_PA(MPC52xx_GPIO_OFFSET), MPC52xx_GPIO_SIZE);
-#endif
- if (!cdm || !gpio) {
- printk(KERN_ERR "Error mapping CDM/GPIO\n");
- ret = -EFAULT;
- goto unmap_regs;
- }
-
/* default sysclk is 512MHz */
- mclken_div = 0x8000 |
- (((mps->sysclk ? mps->sysclk : 512000000) / MCLK) & 0x1FF);
-
- switch (psc_id) {
- case 1:
- ul = in_be32(&gpio->port_config);
- ul &= 0xFFFFFFF8;
- ul |= 0x00000006;
- out_be32(&gpio->port_config, ul);
- out_be16(&cdm->mclken_div_psc1, mclken_div);
- ul = in_be32(&cdm->clk_enables);
- ul |= 0x00000020;
- out_be32(&cdm->clk_enables, ul);
- break;
- case 2:
- ul = in_be32(&gpio->port_config);
- ul &= 0xFFFFFF8F;
- ul |= 0x00000060;
- out_be32(&gpio->port_config, ul);
- out_be16(&cdm->mclken_div_psc2, mclken_div);
- ul = in_be32(&cdm->clk_enables);
- ul |= 0x00000040;
- out_be32(&cdm->clk_enables, ul);
- break;
- case 3:
- ul = in_be32(&gpio->port_config);
- ul &= 0xFFFFF0FF;
- ul |= 0x00000600;
- out_be32(&gpio->port_config, ul);
- out_be16(&cdm->mclken_div_psc3, mclken_div);
- ul = in_be32(&cdm->clk_enables);
- ul |= 0x00000080;
- out_be32(&cdm->clk_enables, ul);
- break;
- case 6:
- ul = in_be32(&gpio->port_config);
- ul &= 0xFF8FFFFF;
- ul |= 0x00700000;
- out_be32(&gpio->port_config, ul);
- out_be16(&cdm->mclken_div_psc6, mclken_div);
- ul = in_be32(&cdm->clk_enables);
- ul |= 0x00000010;
- out_be32(&cdm->clk_enables, ul);
- break;
- default:
- ret = -EINVAL;
- goto unmap_regs;
- }
+ mclken_div = (mps->sysclk ? mps->sysclk : 512000000) / MCLK;
+ mpc52xx_set_psc_clkdiv(psc_id, mclken_div);
/* Reset the PSC into a known state */
out_8(&psc->command, MPC52xx_PSC_RST_RX);
@@ -422,12 +360,6 @@ static int mpc52xx_psc_spi_port_config(int psc_id, struct mpc52xx_psc_spi *mps)
mps->bits_per_word = 8;
-unmap_regs:
- if (cdm)
- iounmap(cdm);
- if (gpio)
- iounmap(gpio);
-
return ret;
}
@@ -623,8 +555,9 @@ static int __exit mpc52xx_psc_spi_of_remove(struct of_device *op)
}
static struct of_device_id mpc52xx_psc_spi_of_match[] = {
- { .type = "spi", .compatible = "mpc5200-psc-spi", },
- {},
+ { .compatible = "fsl,mpc5200-psc-spi", },
+ { .compatible = "mpc5200-psc-spi", }, /* old */
+ {}
};
MODULE_DEVICE_TABLE(of, mpc52xx_psc_spi_of_match);
diff --git a/drivers/spi/spi_mpc83xx.c b/drivers/spi/spi_mpc83xx.c
index 4580b9cf625..04f7cd9fc26 100644
--- a/drivers/spi/spi_mpc83xx.c
+++ b/drivers/spi/spi_mpc83xx.c
@@ -436,11 +436,7 @@ static int __init mpc83xx_spi_probe(struct platform_device *dev)
mpc83xx_spi->qe_mode = pdata->qe_mode;
mpc83xx_spi->get_rx = mpc83xx_spi_rx_buf_u8;
mpc83xx_spi->get_tx = mpc83xx_spi_tx_buf_u8;
-
- if (mpc83xx_spi->qe_mode)
- mpc83xx_spi->spibrg = pdata->sysclk / 2;
- else
- mpc83xx_spi->spibrg = pdata->sysclk;
+ mpc83xx_spi->spibrg = pdata->sysclk;
mpc83xx_spi->rx_shift = 0;
mpc83xx_spi->tx_shift = 0;