diff options
Diffstat (limited to 'target')
3 files changed, 17 insertions, 17 deletions
diff --git a/target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-spi.c b/target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-spi.c index bfbda2b17..1ba4aded3 100644 --- a/target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-spi.c +++ b/target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-spi.c @@ -50,15 +50,11 @@ int __init bcm63xx_spi_register(void) spi_resources[1].start = bcm63xx_get_irq_number(IRQ_SPI); /* Fill in platform data */ - if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) { - spi_pdata.msg_fifo_size = SPI_BCM_6338_SPI_MSG_DATA_SIZE; - spi_pdata.rx_fifo_size = SPI_BCM_6338_SPI_RX_DATA_SIZE; - } + if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) + spi_pdata.fifo_size = SPI_BCM_6338_SPI_MSG_DATA_SIZE; - if (BCMCPU_IS_6358()) { - spi_pdata.msg_fifo_size = SPI_BCM_6358_SPI_MSG_DATA_SIZE; - spi_pdata.rx_fifo_size = SPI_BCM_6358_SPI_RX_DATA_SIZE; - } + if (BCMCPU_IS_6358()) + spi_pdata.fifo_size = SPI_BCM_6358_SPI_MSG_DATA_SIZE; return platform_device_register(&bcm63xx_spi_device); } diff --git a/target/linux/brcm63xx/files/drivers/spi/bcm63xx_spi.c b/target/linux/brcm63xx/files/drivers/spi/bcm63xx_spi.c index d12ae99ce..598196197 100644 --- a/target/linux/brcm63xx/files/drivers/spi/bcm63xx_spi.c +++ b/target/linux/brcm63xx/files/drivers/spi/bcm63xx_spi.c @@ -48,8 +48,7 @@ struct bcm63xx_spi { /* Platform data */ u32 speed_hz; - unsigned msg_fifo_size; - unsigned rx_fifo_size; + unsigned fifo_size; /* Data buffers */ const unsigned char *tx_ptr; @@ -70,6 +69,7 @@ static void bcm63xx_spi_chipselect(struct spi_device *spi, int is_on) val |= SPI_CMD_NOOP; else if (is_on == BITBANG_CS_ACTIVE) val |= (1 << spi->chip_select << SPI_CMD_DEVICE_ID_SHIFT); + bcm_spi_writew(val, SPI_CMD); } @@ -173,7 +173,7 @@ static void bcm63xx_spi_fill_tx_fifo(struct bcm63xx_spi *bs) /* Fill the Tx FIFO with as many bytes as possible */ tail = bcm_spi_readb(SPI_MSG_TAIL); - while ((tail < bs->msg_fifo_size) && (bs->remaining_bytes > 0)) { + while ((tail < bs->fifo_size) && (bs->remaining_bytes > 0)) { if (bs->tx_ptr) bcm_spi_writeb(*bs->tx_ptr++, SPI_MSG_DATA); else @@ -317,6 +317,12 @@ static int __init bcm63xx_spi_probe(struct platform_device *pdev) platform_set_drvdata(pdev, master); bs->pdev = pdev; + if (!request_mem_region(r->start, + r->end - r->start, PFX)) { + ret = -ENXIO; + goto out_free; + } + bs->regs = ioremap_nocache(r->start, r->end - r->start); if (!bs->regs) { printk(KERN_ERR PFX " unable to ioremap regs\n"); @@ -325,8 +331,7 @@ static int __init bcm63xx_spi_probe(struct platform_device *pdev) } bs->irq = irq; bs->clk = clk; - bs->msg_fifo_size = pdata->msg_fifo_size; - bs->rx_fifo_size = pdata->rx_fifo_size; + bs->fifo_size = pdata->fifo_size; ret = request_irq(irq, bcm63xx_spi_interrupt, 0, pdev->dev.bus_id, master); @@ -344,8 +349,8 @@ static int __init bcm63xx_spi_probe(struct platform_device *pdev) bcm_spi_writew(SPI_CMD_HARD_RESET, SPI_CMD); bcm_spi_writeb(SPI_INTR_CLEAR_ALL, SPI_INT_MASK); - dev_info(&pdev->dev, PFX " at 0x%08x (irq %d) %s\n", - r->start, irq, DRV_VER); + dev_info(&pdev->dev, PFX " at 0x%08x (irq %d, FIFOs size %d) v%s\n", + r->start, irq, bs->fifo_size, DRV_VER); ret = spi_bitbang_start(&bs->bitbang); if (ret) { diff --git a/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_dev_spi.h b/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_dev_spi.h index 879580fc9..cfa79bf94 100644 --- a/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_dev_spi.h +++ b/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_dev_spi.h @@ -6,8 +6,7 @@ int __init bcm63xx_spi_register(void); struct bcm63xx_spi_pdata { - unsigned int msg_fifo_size; - unsigned int rx_fifo_size; + unsigned int fifo_size; int bus_num; int num_chipselect; u32 speed_hz; |