diff options
author | Angelo Dureghello <angelo@sysam.it> | 2019-03-13 21:46:52 +0100 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2019-05-24 08:11:59 -0400 |
commit | cd3b0717ba9875b3978bdc0835ee82415d766f29 (patch) | |
tree | dcc3630292b613a951413e5525201d0490a70587 /arch/m68k/cpu | |
parent | abe0f879996b3bf7bc3bfdb35b83a8dd8ee3ea7d (diff) | |
download | u-boot-cd3b0717ba9875b3978bdc0835ee82415d766f29.zip u-boot-cd3b0717ba9875b3978bdc0835ee82415d766f29.tar.gz u-boot-cd3b0717ba9875b3978bdc0835ee82415d766f29.tar.bz2 |
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/cpu')
-rw-r--r-- | arch/m68k/cpu/mcf5227x/cpu_init.c | 65 | ||||
-rw-r--r-- | arch/m68k/cpu/mcf5445x/cpu_init.c | 142 |
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 0d6a484..3bbc42f 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 7632d92..8f4991c 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 |