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authorAngelo Dureghello <angelo@sysam.it>2019-03-13 21:46:52 +0100
committerTom Rini <trini@konsulko.com>2019-05-24 08:11:59 -0400
commitcd3b0717ba9875b3978bdc0835ee82415d766f29 (patch)
treedcc3630292b613a951413e5525201d0490a70587 /arch/m68k
parentabe0f879996b3bf7bc3bfdb35b83a8dd8ee3ea7d (diff)
m68k: move dspi bus control functions into cf_spi.c driver
This patches move dspi bus-related operations into more proper location, to avoid the driver to declares them as externs. Signed-off-by: Angelo Dureghello <angelo@sysam.it>
Diffstat (limited to 'arch/m68k')
-rw-r--r--arch/m68k/cpu/mcf5227x/cpu_init.c65
-rw-r--r--arch/m68k/cpu/mcf5445x/cpu_init.c142
2 files changed, 41 insertions, 166 deletions
diff --git a/arch/m68k/cpu/mcf5227x/cpu_init.c b/arch/m68k/cpu/mcf5227x/cpu_init.c
index 0d6a484a45..3bbc42f508 100644
--- a/arch/m68k/cpu/mcf5227x/cpu_init.c
+++ b/arch/m68k/cpu/mcf5227x/cpu_init.c
@@ -16,6 +16,15 @@
#include <asm/rtc.h>
#include <linux/compiler.h>
+void cfspi_port_conf(void)
+{
+ gpio_t *gpio = (gpio_t *)MMAP_GPIO;
+
+ out_8(&gpio->par_dspi,
+ GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT |
+ GPIO_PAR_DSPI_SCK_SCK);
+}
+
/*
* Breath some life into the CPU...
*
@@ -93,6 +102,8 @@ void cpu_init_f(void)
#endif
icache_enable();
+
+ cfspi_port_conf();
}
/*
@@ -137,57 +148,3 @@ void uart_port_conf(int port)
break;
}
}
-
-#ifdef CONFIG_CF_DSPI
-void cfspi_port_conf(void)
-{
- gpio_t *gpio = (gpio_t *) MMAP_GPIO;
-
- out_8(&gpio->par_dspi,
- GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT |
- GPIO_PAR_DSPI_SCK_SCK);
-}
-
-int cfspi_claim_bus(uint bus, uint cs)
-{
- dspi_t *dspi = (dspi_t *) MMAP_DSPI;
- gpio_t *gpio = (gpio_t *) MMAP_GPIO;
-
- if ((in_be32(&dspi->sr) & DSPI_SR_TXRXS) != DSPI_SR_TXRXS)
- return -1;
-
- /* Clear FIFO and resume transfer */
- clrbits_be32(&dspi->mcr, DSPI_MCR_CTXF | DSPI_MCR_CRXF);
-
- switch (cs) {
- case 0:
- clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_UNMASK);
- setbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_PCS0);
- break;
- case 2:
- clrbits_8(&gpio->par_timer, ~GPIO_PAR_TIMER_T2IN_UNMASK);
- setbits_8(&gpio->par_timer, GPIO_PAR_TIMER_T2IN_DSPIPCS2);
- break;
- }
-
- return 0;
-}
-
-void cfspi_release_bus(uint bus, uint cs)
-{
- dspi_t *dspi = (dspi_t *) MMAP_DSPI;
- gpio_t *gpio = (gpio_t *) MMAP_GPIO;
-
- /* Clear FIFO */
- clrbits_be32(&dspi->mcr, DSPI_MCR_CTXF | DSPI_MCR_CRXF);
-
- switch (cs) {
- case 0:
- clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_PCS0);
- break;
- case 2:
- clrbits_8(&gpio->par_timer, ~GPIO_PAR_TIMER_T2IN_UNMASK);
- break;
- }
-}
-#endif
diff --git a/arch/m68k/cpu/mcf5445x/cpu_init.c b/arch/m68k/cpu/mcf5445x/cpu_init.c
index 7632d9262c..8f4991c1cb 100644
--- a/arch/m68k/cpu/mcf5445x/cpu_init.c
+++ b/arch/m68k/cpu/mcf5445x/cpu_init.c
@@ -66,6 +66,32 @@ void init_fbcs(void)
#endif
}
+#ifdef CONFIG_CF_DSPI
+void cfspi_port_conf(void)
+{
+ gpio_t *gpio = (gpio_t *)MMAP_GPIO;
+
+#ifdef CONFIG_MCF5445x
+ out_8(&gpio->par_dspi,
+ GPIO_PAR_DSPI_SIN_SIN |
+ GPIO_PAR_DSPI_SOUT_SOUT |
+ GPIO_PAR_DSPI_SCK_SCK);
+#endif
+
+#ifdef CONFIG_MCF5441x
+ pm_t *pm = (pm_t *)MMAP_PM;
+
+ out_8(&gpio->par_dspi0,
+ GPIO_PAR_DSPI0_SIN_DSPI0SIN | GPIO_PAR_DSPI0_SOUT_DSPI0SOUT |
+ GPIO_PAR_DSPI0_SCK_DSPI0SCK);
+ out_8(&gpio->srcr_dspiow, 3);
+
+ /* DSPI0 */
+ out_8(&pm->pmcr0, 23);
+#endif
+}
+#endif
+
/*
* Breath some life into the CPU...
*
@@ -204,6 +230,10 @@ void cpu_init_f(void)
GPIO_PAR_FBCTL_OE | GPIO_PAR_FBCTL_TA_TA |
GPIO_PAR_FBCTL_RW_RW | GPIO_PAR_FBCTL_TS_TS);
+#ifdef CONFIG_CF_SPI
+ cfspi_port_conf();
+#endif
+
#ifdef CONFIG_SYS_FSL_I2C
out_be16(&gpio->par_feci2c,
GPIO_PAR_FECI2C_SCL_SCL | GPIO_PAR_FECI2C_SDA_SDA);
@@ -433,115 +463,3 @@ int fecpin_setclear(struct eth_device *dev, int setclear)
}
#endif
-#ifdef CONFIG_CF_DSPI
-void cfspi_port_conf(void)
-{
- gpio_t *gpio = (gpio_t *) MMAP_GPIO;
-
-#ifdef CONFIG_MCF5445x
- out_8(&gpio->par_dspi,
- GPIO_PAR_DSPI_SIN_SIN |
- GPIO_PAR_DSPI_SOUT_SOUT |
- GPIO_PAR_DSPI_SCK_SCK);
-#endif
-
-#ifdef CONFIG_MCF5441x
- pm_t *pm = (pm_t *) MMAP_PM;
-
- out_8(&gpio->par_dspi0,
- GPIO_PAR_DSPI0_SIN_DSPI0SIN | GPIO_PAR_DSPI0_SOUT_DSPI0SOUT |
- GPIO_PAR_DSPI0_SCK_DSPI0SCK);
- out_8(&gpio->srcr_dspiow, 3);
-
- /* DSPI0 */
- out_8(&pm->pmcr0, 23);
-#endif
-}
-
-int cfspi_claim_bus(uint bus, uint cs)
-{
- dspi_t *dspi = (dspi_t *) MMAP_DSPI;
- gpio_t *gpio = (gpio_t *) MMAP_GPIO;
-
- if ((in_be32(&dspi->sr) & DSPI_SR_TXRXS) != DSPI_SR_TXRXS)
- return -1;
-
- /* Clear FIFO and resume transfer */
- clrbits_be32(&dspi->mcr, DSPI_MCR_CTXF | DSPI_MCR_CRXF);
-
-#ifdef CONFIG_MCF5445x
- switch (cs) {
- case 0:
- clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_PCS0);
- setbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_PCS0);
- break;
- case 1:
- clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS1_PCS1);
- setbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS1_PCS1);
- break;
- case 2:
- clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS2_PCS2);
- setbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS2_PCS2);
- break;
- case 3:
- clrbits_8(&gpio->par_dma, ~GPIO_PAR_DMA_DACK0_UNMASK);
- setbits_8(&gpio->par_dma, GPIO_PAR_DMA_DACK0_PCS3);
- break;
- case 5:
- clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS5_PCS5);
- setbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS5_PCS5);
- break;
- }
-#endif
-
-#ifdef CONFIG_MCF5441x
- switch (cs) {
- case 0:
- clrbits_8(&gpio->par_dspi0, ~GPIO_PAR_DSPI0_PCS0_MASK);
- setbits_8(&gpio->par_dspi0, GPIO_PAR_DSPI0_PCS0_DSPI0PCS0);
- break;
- case 1:
- clrbits_8(&gpio->par_dspiow, GPIO_PAR_DSPIOW_DSPI0PSC1);
- setbits_8(&gpio->par_dspiow, GPIO_PAR_DSPIOW_DSPI0PSC1);
- break;
- }
-#endif
-
- return 0;
-}
-
-void cfspi_release_bus(uint bus, uint cs)
-{
- dspi_t *dspi = (dspi_t *) MMAP_DSPI;
- gpio_t *gpio = (gpio_t *) MMAP_GPIO;
-
- /* Clear FIFO */
- clrbits_be32(&dspi->mcr, DSPI_MCR_CTXF | DSPI_MCR_CRXF);
-
-#ifdef CONFIG_MCF5445x
- switch (cs) {
- case 0:
- clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_PCS0);
- break;
- case 1:
- clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS1_PCS1);
- break;
- case 2:
- clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS2_PCS2);
- break;
- case 3:
- clrbits_8(&gpio->par_dma, ~GPIO_PAR_DMA_DACK0_UNMASK);
- break;
- case 5:
- clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS5_PCS5);
- break;
- }
-#endif
-
-#ifdef CONFIG_MCF5441x
- if (cs == 1)
- clrbits_8(&gpio->par_dspiow, GPIO_PAR_DSPIOW_DSPI0PSC1);
-#endif
-}
-
-#endif