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spi/bcm63xx: move message control word description to register offsets 

Make the message control word parameters part of the register offsets
array so we have them all in one struct.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jonas Gorski 2015-10-12 12:24:22 +02:00 committed by Mark Brown
parent 682b5280bf
commit f13a5e8a85
3 changed files with 12 additions and 31 deletions
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20
arch/mips/bcm63xx/dev-spi.c
View File

@ -53,19 +53,11 @@ static struct resource spi_resources[] = {
},
};
static struct bcm63xx_spi_pdata spi_pdata = {
.bus_num = 0,
.num_chipselect = 8,
};
static struct platform_device bcm63xx_spi_device = {
.name = "bcm63xx-spi",
.id = -1,
.num_resources = ARRAY_SIZE(spi_resources),
.resource = spi_resources,
.dev = {
.platform_data = &spi_pdata,
},
};
int __init bcm63xx_spi_register(void)
@ -77,20 +69,12 @@ int __init bcm63xx_spi_register(void)
spi_resources[0].end = spi_resources[0].start;
spi_resources[1].start = bcm63xx_get_irq_number(IRQ_SPI);
if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) {
if (BCMCPU_IS_6338() || BCMCPU_IS_6348())
spi_resources[0].end += BCM_6348_RSET_SPI_SIZE - 1;
spi_pdata.fifo_size = SPI_6348_MSG_DATA_SIZE;
spi_pdata.msg_type_shift = SPI_6348_MSG_TYPE_SHIFT;
spi_pdata.msg_ctl_width = SPI_6348_MSG_CTL_WIDTH;
}
if (BCMCPU_IS_3368() || BCMCPU_IS_6358() || BCMCPU_IS_6362() ||
BCMCPU_IS_6368()) {
BCMCPU_IS_6368())
spi_resources[0].end += BCM_6358_RSET_SPI_SIZE - 1;
spi_pdata.fifo_size = SPI_6358_MSG_DATA_SIZE;
spi_pdata.msg_type_shift = SPI_6358_MSG_TYPE_SHIFT;
spi_pdata.msg_ctl_width = SPI_6358_MSG_CTL_WIDTH;
}
bcm63xx_spi_regs_init();

16
arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h
View File

@ -7,14 +7,6 @@
int __init bcm63xx_spi_register(void);
struct bcm63xx_spi_pdata {
unsigned int fifo_size;
unsigned int msg_type_shift;
unsigned int msg_ctl_width;
int bus_num;
int num_chipselect;
};
enum bcm63xx_regs_spi {
SPI_CMD,
SPI_INT_STATUS,
@ -28,6 +20,9 @@ enum bcm63xx_regs_spi {
SPI_MSG_CTL,
SPI_MSG_DATA,
SPI_RX_DATA,
SPI_MSG_TYPE_SHIFT,
SPI_MSG_CTL_WIDTH,
SPI_MSG_DATA_SIZE,
};
#define __GEN_SPI_REGS_TABLE(__cpu) \
@ -42,7 +37,10 @@ enum bcm63xx_regs_spi {
[SPI_RX_TAIL] = SPI_## __cpu ##_RX_TAIL, \
[SPI_MSG_CTL] = SPI_## __cpu ##_MSG_CTL, \
[SPI_MSG_DATA] = SPI_## __cpu ##_MSG_DATA, \
[SPI_RX_DATA] = SPI_## __cpu ##_RX_DATA,
[SPI_RX_DATA] = SPI_## __cpu ##_RX_DATA, \
[SPI_MSG_TYPE_SHIFT] = SPI_## __cpu ##_MSG_TYPE_SHIFT, \
[SPI_MSG_CTL_WIDTH] = SPI_## __cpu ##_MSG_CTL_WIDTH, \
[SPI_MSG_DATA_SIZE] = SPI_## __cpu ##_MSG_DATA_SIZE,
static inline unsigned long bcm63xx_spireg(enum bcm63xx_regs_spi reg)
{

7
drivers/spi/spi-bcm63xx.c
View File

@ -329,7 +329,6 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
{
struct resource *r;
struct device *dev = &pdev->dev;
struct bcm63xx_spi_pdata *pdata = dev_get_platdata(&pdev->dev);
int irq;
struct spi_master *master;
struct clk *clk;
@ -369,7 +368,7 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
bs->irq = irq;
bs->clk = clk;
bs->fifo_size = pdata->fifo_size;
bs->fifo_size = bcm63xx_spireg(SPI_MSG_DATA_SIZE);
ret = devm_request_irq(&pdev->dev, irq, bcm63xx_spi_interrupt, 0,
pdev->name, master);
@ -384,8 +383,8 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
master->mode_bits = MODEBITS;
master->bits_per_word_mask = SPI_BPW_MASK(8);
master->auto_runtime_pm = true;
bs->msg_type_shift = pdata->msg_type_shift;
bs->msg_ctl_width = pdata->msg_ctl_width;
bs->msg_type_shift = bcm63xx_spireg(SPI_MSG_TYPE_SHIFT);
bs->msg_ctl_width = bcm63xx_spireg(SPI_MSG_CTL_WIDTH);
bs->tx_io = (u8 *)(bs->regs + bcm63xx_spireg(SPI_MSG_DATA));
bs->rx_io = (const u8 *)(bs->regs + bcm63xx_spireg(SPI_RX_DATA));