diff options
Diffstat (limited to 'arch/m68k/platform/527x/config.c')
| -rw-r--r-- | arch/m68k/platform/527x/config.c | 165 |
1 files changed, 3 insertions, 162 deletions
diff --git a/arch/m68k/platform/527x/config.c b/arch/m68k/platform/527x/config.c index e86ff3a0ba15..9bdf522d9f08 100644 --- a/arch/m68k/platform/527x/config.c +++ b/arch/m68k/platform/527x/config.c @@ -16,158 +16,14 @@ #include <linux/param.h> #include <linux/init.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 m527x_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 m527x_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 m527x_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 m527x_cs_select(struct mcfqspi_cs_control *cs_control, - u8 chip_select, bool cs_high) -{ - switch (chip_select) { - case 0: - gpio_set_value(MCFQSPI_CS0, cs_high); - break; - case 1: - gpio_set_value(MCFQSPI_CS1, cs_high); - break; - case 2: - gpio_set_value(MCFQSPI_CS2, cs_high); - break; - case 3: - gpio_set_value(MCFQSPI_CS3, cs_high); - break; - } -} - -static void m527x_cs_deselect(struct mcfqspi_cs_control *cs_control, - u8 chip_select, bool cs_high) -{ - switch (chip_select) { - case 0: - gpio_set_value(MCFQSPI_CS0, !cs_high); - break; - case 1: - gpio_set_value(MCFQSPI_CS1, !cs_high); - break; - case 2: - gpio_set_value(MCFQSPI_CS2, !cs_high); - break; - case 3: - gpio_set_value(MCFQSPI_CS3, !cs_high); - break; - } -} - -static struct mcfqspi_cs_control m527x_cs_control = { - .setup = m527x_cs_setup, - .teardown = m527x_cs_teardown, - .select = m527x_cs_select, - .deselect = m527x_cs_deselect, -}; - -static struct mcfqspi_platform_data m527x_qspi_data = { - .bus_num = 0, - .num_chipselect = 4, - .cs_control = &m527x_cs_control, -}; - -static struct platform_device m527x_qspi = { - .name = "mcfqspi", - .id = 0, - .num_resources = ARRAY_SIZE(m527x_qspi_resources), - .resource = m527x_qspi_resources, - .dev.platform_data = &m527x_qspi_data, -}; +#ifdef CONFIG_SPI_COLDFIRE_QSPI static void __init m527x_qspi_init(void) { @@ -185,13 +41,8 @@ static void __init m527x_qspi_init(void) writew(0x003e, MCFGPIO_PAR_QSPI); #endif } -#endif /* defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) */ -static struct platform_device *m527x_devices[] __initdata = { -#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) - &m527x_qspi, -#endif -}; +#endif /* CONFIG_SPI_COLDFIRE_QSPI */ /***************************************************************************/ @@ -250,19 +101,9 @@ void __init config_BSP(char *commandp, int size) mach_sched_init = hw_timer_init; m527x_uarts_init(); m527x_fec_init(); -#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) +#ifdef CONFIG_SPI_COLDFIRE_QSPI m527x_qspi_init(); #endif } /***************************************************************************/ - -static int __init init_BSP(void) -{ - platform_add_devices(m527x_devices, ARRAY_SIZE(m527x_devices)); - return 0; -} - -arch_initcall(init_BSP); - -/***************************************************************************/ |