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Diffstat (limited to 'arch/m68k/platform/532x/config.c')
-rw-r--r--arch/m68k/platform/532x/config.c221
1 files changed, 12 insertions, 209 deletions
diff --git a/arch/m68k/platform/532x/config.c b/arch/m68k/platform/532x/config.c
index ca51323f957b..2bec3477b739 100644
--- a/arch/m68k/platform/532x/config.c
+++ b/arch/m68k/platform/532x/config.c
@@ -21,214 +21,33 @@
#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/mcfdma.h>
#include <asm/mcfwdebug.h>
-#include <asm/mcfqspi.h>
/***************************************************************************/
-static struct mcf_platform_uart m532x_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 m532x_uart = {
- .name = "mcfuart",
- .id = 0,
- .dev.platform_data = m532x_uart_platform,
-};
-
-static struct resource m532x_fec_resources[] = {
- {
- .start = 0xfc030000,
- .end = 0xfc0307ff,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = 64 + 36,
- .end = 64 + 36,
- .flags = IORESOURCE_IRQ,
- },
- {
- .start = 64 + 40,
- .end = 64 + 40,
- .flags = IORESOURCE_IRQ,
- },
- {
- .start = 64 + 42,
- .end = 64 + 42,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device m532x_fec = {
- .name = "fec",
- .id = 0,
- .num_resources = ARRAY_SIZE(m532x_fec_resources),
- .resource = m532x_fec_resources,
-};
-
-#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
-static struct resource m532x_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,
- },
-};
-
-#define MCFQSPI_CS0 84
-#define MCFQSPI_CS1 85
-#define MCFQSPI_CS2 86
-
-static int m532x_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;
- }
-
- return 0;
-
-fail3:
- gpio_free(MCFQSPI_CS2);
-fail2:
- gpio_free(MCFQSPI_CS1);
-fail1:
- gpio_free(MCFQSPI_CS0);
-fail0:
- return status;
-}
-
-static void m532x_cs_teardown(struct mcfqspi_cs_control *cs_control)
-{
- gpio_free(MCFQSPI_CS2);
- gpio_free(MCFQSPI_CS1);
- gpio_free(MCFQSPI_CS0);
-}
-
-static void m532x_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 m532x_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 m532x_cs_control = {
- .setup = m532x_cs_setup,
- .teardown = m532x_cs_teardown,
- .select = m532x_cs_select,
- .deselect = m532x_cs_deselect,
-};
-
-static struct mcfqspi_platform_data m532x_qspi_data = {
- .bus_num = 0,
- .num_chipselect = 3,
- .cs_control = &m532x_cs_control,
-};
-
-static struct platform_device m532x_qspi = {
- .name = "mcfqspi",
- .id = 0,
- .num_resources = ARRAY_SIZE(m532x_qspi_resources),
- .resource = m532x_qspi_resources,
- .dev.platform_data = &m532x_qspi_data,
-};
+#ifdef CONFIG_SPI_COLDFIRE_QSPI
static void __init m532x_qspi_init(void)
{
/* setup QSPS pins for QSPI with gpio CS control */
writew(0x01f0, MCF_GPIO_PAR_QSPI);
}
-#endif /* defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) */
-
-static struct platform_device *m532x_devices[] __initdata = {
- &m532x_uart,
- &m532x_fec,
-#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
- &m532x_qspi,
-#endif
-};
+#endif /* CONFIG_SPI_COLDFIRE_QSPI */
/***************************************************************************/
-static void __init m532x_uart_init_line(int line, int irq)
-{
- if (line == 0) {
- /* GPIO initialization */
- MCF_GPIO_PAR_UART |= 0x000F;
- } else if (line == 1) {
- /* GPIO initialization */
- MCF_GPIO_PAR_UART |= 0x0FF0;
- }
-}
-
static void __init m532x_uarts_init(void)
{
- const int nrlines = ARRAY_SIZE(m532x_uart_platform);
- int line;
-
- for (line = 0; (line < nrlines); line++)
- m532x_uart_init_line(line, m532x_uart_platform[line].irq);
+ /* UART GPIO initialization */
+ MCF_GPIO_PAR_UART |= 0x0FFF;
}
+
/***************************************************************************/
static void __init m532x_fec_init(void)
@@ -242,14 +61,6 @@ static void __init m532x_fec_init(void)
/***************************************************************************/
-static void m532x_cpu_reset(void)
-{
- local_irq_disable();
- __raw_writeb(MCF_RCR_SWRESET, MCF_RCR);
-}
-
-/***************************************************************************/
-
void __init config_BSP(char *commandp, int size)
{
#if !defined(CONFIG_BOOTPARAM)
@@ -263,6 +74,13 @@ void __init config_BSP(char *commandp, int size)
}
#endif
+ mach_sched_init = hw_timer_init;
+ m532x_uarts_init();
+ m532x_fec_init();
+#ifdef CONFIG_SPI_COLDFIRE_QSPI
+ m532x_qspi_init();
+#endif
+
#ifdef CONFIG_BDM_DISABLE
/*
* Disable the BDM clocking. This also turns off most of the rest of
@@ -274,21 +92,6 @@ void __init config_BSP(char *commandp, int size)
}
/***************************************************************************/
-
-static int __init init_BSP(void)
-{
- m532x_uarts_init();
- m532x_fec_init();
-#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE)
- m532x_qspi_init();
-#endif
- platform_add_devices(m532x_devices, ARRAY_SIZE(m532x_devices));
- return 0;
-}
-
-arch_initcall(init_BSP);
-
-/***************************************************************************/
/* Board initialization */
/***************************************************************************/
/*
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.