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Diffstat (limited to 'arch/m68k/platform/527x/config.c')
-rw-r--r--arch/m68k/platform/527x/config.c296
1 files changed, 6 insertions, 290 deletions
diff --git a/arch/m68k/platform/527x/config.c b/arch/m68k/platform/527x/config.c
index 3ebc769cefda..7ed848c3b848 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);
-
-/***************************************************************************/
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.