diff options
Diffstat (limited to 'arch/m68k/platform/527x/config.c')
| -rw-r--r-- | arch/m68k/platform/527x/config.c | 296 |
1 files changed, 6 insertions, 290 deletions
diff --git a/arch/m68k/platform/527x/config.c b/arch/m68k/platform/527x/config.c index 3ebc769cefd..7ed848c3b84 100644 --- a/arch/m68k/platform/527x/config.c +++ b/arch/m68k/platform/527x/config.c @@ -16,253 +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> /***************************************************************************/ -static struct mcf_platform_uart m527x_uart_platform[] = { - { - .mapbase = MCFUART_BASE1, - .irq = MCFINT_VECBASE + MCFINT_UART0, - }, - { - .mapbase = MCFUART_BASE2, - .irq = MCFINT_VECBASE + MCFINT_UART1, - }, - { - .mapbase = MCFUART_BASE3, - .irq = MCFINT_VECBASE + MCFINT_UART2, - }, - { }, -}; - -static struct platform_device m527x_uart = { - .name = "mcfuart", - .id = 0, - .dev.platform_data = m527x_uart_platform, -}; - -static struct resource m527x_fec0_resources[] = { - { - .start = MCFFEC_BASE0, - .end = MCFFEC_BASE0 + MCFFEC_SIZE0 - 1, - .flags = IORESOURCE_MEM, - }, - { - .start = 64 + 23, - .end = 64 + 23, - .flags = IORESOURCE_IRQ, - }, - { - .start = 64 + 27, - .end = 64 + 27, - .flags = IORESOURCE_IRQ, - }, - { - .start = 64 + 29, - .end = 64 + 29, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct resource m527x_fec1_resources[] = { - { - .start = MCFFEC_BASE1, - .end = MCFFEC_BASE1 + MCFFEC_SIZE1 - 1, - .flags = IORESOURCE_MEM, - }, - { - .start = 128 + 23, - .end = 128 + 23, - .flags = IORESOURCE_IRQ, - }, - { - .start = 128 + 27, - .end = 128 + 27, - .flags = IORESOURCE_IRQ, - }, - { - .start = 128 + 29, - .end = 128 + 29, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device m527x_fec[] = { - { - .name = "fec", - .id = 0, - .num_resources = ARRAY_SIZE(m527x_fec0_resources), - .resource = m527x_fec0_resources, - }, - { - .name = "fec", - .id = 1, - .num_resources = ARRAY_SIZE(m527x_fec1_resources), - .resource = m527x_fec1_resources, - }, -}; - -#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) -static struct resource m527x_qspi_resources[] = { - { - .start = MCFQSPI_IOBASE, - .end = MCFQSPI_IOBASE + MCFQSPI_IOSIZE - 1, - .flags = IORESOURCE_MEM, - }, - { - .start = MCFINT_VECBASE + MCFINT_QSPI, - .end = MCFINT_VECBASE + MCFINT_QSPI, - .flags = IORESOURCE_IRQ, - }, -}; - -#if defined(CONFIG_M5271) -#define MCFQSPI_CS0 91 -#define MCFQSPI_CS1 92 -#define MCFQSPI_CS2 99 -#define MCFQSPI_CS3 103 -#elif defined(CONFIG_M5275) -#define MCFQSPI_CS0 59 -#define MCFQSPI_CS1 60 -#define MCFQSPI_CS2 61 -#define MCFQSPI_CS3 62 -#endif - -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) { @@ -280,50 +41,23 @@ 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 = { - &m527x_uart, - &m527x_fec[0], -#ifdef CONFIG_FEC2 - &m527x_fec[1], -#endif -#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) - &m527x_qspi, -#endif -}; +#endif /* CONFIG_SPI_COLDFIRE_QSPI */ /***************************************************************************/ -static void __init m527x_uart_init_line(int line, int irq) +static void __init m527x_uarts_init(void) { u16 sepmask; - if ((line < 0) || (line > 2)) - return; - /* * External Pin Mask Setting & Enable External Pin for Interface */ sepmask = readw(MCF_IPSBAR + MCF_GPIO_PAR_UART); - if (line == 0) - sepmask |= UART0_ENABLE_MASK; - else if (line == 1) - sepmask |= UART1_ENABLE_MASK; - else if (line == 2) - sepmask |= UART2_ENABLE_MASK; + sepmask |= UART0_ENABLE_MASK | UART1_ENABLE_MASK | UART2_ENABLE_MASK; writew(sepmask, MCF_IPSBAR + MCF_GPIO_PAR_UART); } -static void __init m527x_uarts_init(void) -{ - const int nrlines = ARRAY_SIZE(m527x_uart_platform); - int line; - - for (line = 0; (line < nrlines); line++) - m527x_uart_init_line(line, m527x_uart_platform[line].irq); -} - /***************************************************************************/ static void __init m527x_fec_init(void) @@ -353,32 +87,14 @@ static void __init m527x_fec_init(void) /***************************************************************************/ -static void m527x_cpu_reset(void) -{ - local_irq_disable(); - __raw_writeb(MCF_RCR_SWRESET, MCF_IPSBAR + MCF_RCR); -} - -/***************************************************************************/ - void __init config_BSP(char *commandp, int size) { - mach_reset = m527x_cpu_reset; + 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); - -/***************************************************************************/ |