diff options
Diffstat (limited to 'arch/m68k/platform/528x/config.c')
| -rw-r--r-- | arch/m68k/platform/528x/config.c | 130 |
1 files changed, 3 insertions, 127 deletions
diff --git a/arch/m68k/platform/528x/config.c b/arch/m68k/platform/528x/config.c index 24f5afcf008..264456ce45d 100644 --- a/arch/m68k/platform/528x/config.c +++ b/arch/m68k/platform/528x/config.c @@ -17,145 +17,22 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/io.h> -#include <linux/spi/spi.h> -#include <linux/gpio.h> #include <asm/machdep.h> #include <asm/coldfire.h> #include <asm/mcfsim.h> #include <asm/mcfuart.h> -#include <asm/mcfqspi.h> /***************************************************************************/ -#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) -static struct resource m528x_qspi_resources[] = { - { - .start = MCFQSPI_BASE, - .end = MCFQSPI_BASE + MCFQSPI_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - { - .start = MCF_IRQ_QSPI, - .end = MCF_IRQ_QSPI, - .flags = IORESOURCE_IRQ, - }, -}; - -static int m528x_cs_setup(struct mcfqspi_cs_control *cs_control) -{ - int status; - - status = gpio_request(MCFQSPI_CS0, "MCFQSPI_CS0"); - if (status) { - pr_debug("gpio_request for MCFQSPI_CS0 failed\n"); - goto fail0; - } - status = gpio_direction_output(MCFQSPI_CS0, 1); - if (status) { - pr_debug("gpio_direction_output for MCFQSPI_CS0 failed\n"); - goto fail1; - } - - status = gpio_request(MCFQSPI_CS1, "MCFQSPI_CS1"); - if (status) { - pr_debug("gpio_request for MCFQSPI_CS1 failed\n"); - goto fail1; - } - status = gpio_direction_output(MCFQSPI_CS1, 1); - if (status) { - pr_debug("gpio_direction_output for MCFQSPI_CS1 failed\n"); - goto fail2; - } - - status = gpio_request(MCFQSPI_CS2, "MCFQSPI_CS2"); - if (status) { - pr_debug("gpio_request for MCFQSPI_CS2 failed\n"); - goto fail2; - } - status = gpio_direction_output(MCFQSPI_CS2, 1); - if (status) { - pr_debug("gpio_direction_output for MCFQSPI_CS2 failed\n"); - goto fail3; - } - - status = gpio_request(MCFQSPI_CS3, "MCFQSPI_CS3"); - if (status) { - pr_debug("gpio_request for MCFQSPI_CS3 failed\n"); - goto fail3; - } - status = gpio_direction_output(MCFQSPI_CS3, 1); - if (status) { - pr_debug("gpio_direction_output for MCFQSPI_CS3 failed\n"); - goto fail4; - } - - return 0; - -fail4: - gpio_free(MCFQSPI_CS3); -fail3: - gpio_free(MCFQSPI_CS2); -fail2: - gpio_free(MCFQSPI_CS1); -fail1: - gpio_free(MCFQSPI_CS0); -fail0: - return status; -} - -static void m528x_cs_teardown(struct mcfqspi_cs_control *cs_control) -{ - gpio_free(MCFQSPI_CS3); - gpio_free(MCFQSPI_CS2); - gpio_free(MCFQSPI_CS1); - gpio_free(MCFQSPI_CS0); -} - -static void m528x_cs_select(struct mcfqspi_cs_control *cs_control, - u8 chip_select, bool cs_high) -{ - gpio_set_value(MCFQSPI_CS0 + chip_select, cs_high); -} - -static void m528x_cs_deselect(struct mcfqspi_cs_control *cs_control, - u8 chip_select, bool cs_high) -{ - gpio_set_value(MCFQSPI_CS0 + chip_select, !cs_high); -} - -static struct mcfqspi_cs_control m528x_cs_control = { - .setup = m528x_cs_setup, - .teardown = m528x_cs_teardown, - .select = m528x_cs_select, - .deselect = m528x_cs_deselect, -}; - -static struct mcfqspi_platform_data m528x_qspi_data = { - .bus_num = 0, - .num_chipselect = 4, - .cs_control = &m528x_cs_control, -}; - -static struct platform_device m528x_qspi = { - .name = "mcfqspi", - .id = 0, - .num_resources = ARRAY_SIZE(m528x_qspi_resources), - .resource = m528x_qspi_resources, - .dev.platform_data = &m528x_qspi_data, -}; +#ifdef CONFIG_SPI_COLDFIRE_QSPI static void __init m528x_qspi_init(void) { /* setup Port QS for QSPI with gpio CS control */ __raw_writeb(0x07, MCFGPIO_PQSPAR); } -#endif /* defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) */ -static struct platform_device *m528x_devices[] __initdata = { -#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) - &m528x_qspi, -#endif -}; +#endif /* CONFIG_SPI_COLDFIRE_QSPI */ /***************************************************************************/ @@ -236,10 +113,9 @@ static int __init init_BSP(void) mach_sched_init = hw_timer_init; m528x_uarts_init(); m528x_fec_init(); -#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) +#ifdef CONFIG_SPI_COLDFIRE_QSPI m528x_qspi_init(); #endif - platform_add_devices(m528x_devices, ARRAY_SIZE(m528x_devices)); return 0; } |