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Diffstat (limited to 'arch/m68knommu/platform/532x')
-rw-r--r--arch/m68knommu/platform/532x/Makefile2
-rw-r--r--arch/m68knommu/platform/532x/config.c53
-rw-r--r--arch/m68knommu/platform/532x/gpio.c337
3 files changed, 341 insertions, 51 deletions
diff --git a/arch/m68knommu/platform/532x/Makefile b/arch/m68knommu/platform/532x/Makefile
index e431912f562..4cc23245bcd 100644
--- a/arch/m68knommu/platform/532x/Makefile
+++ b/arch/m68knommu/platform/532x/Makefile
@@ -15,4 +15,4 @@
asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1
#obj-y := config.o usb-mcf532x.o spi-mcf532x.o
-obj-y := config.o
+obj-y := config.o gpio.o
diff --git a/arch/m68knommu/platform/532x/config.c b/arch/m68knommu/platform/532x/config.c
index cdb761971f7..d632948e64e 100644
--- a/arch/m68knommu/platform/532x/config.c
+++ b/arch/m68knommu/platform/532x/config.c
@@ -20,7 +20,6 @@
#include <linux/kernel.h>
#include <linux/param.h>
#include <linux/init.h>
-#include <linux/interrupt.h>
#include <linux/io.h>
#include <asm/machdep.h>
#include <asm/coldfire.h>
@@ -31,12 +30,6 @@
/***************************************************************************/
-extern unsigned int mcf_timervector;
-extern unsigned int mcf_profilevector;
-extern unsigned int mcf_timerlevel;
-
-/***************************************************************************/
-
static struct mcf_platform_uart m532x_uart_platform[] = {
{
.mapbase = MCFUART_BASE1,
@@ -88,6 +81,7 @@ static struct platform_device m532x_fec = {
.num_resources = ARRAY_SIZE(m532x_fec_resources),
.resource = m532x_fec_resources,
};
+
static struct platform_device *m532x_devices[] __initdata = {
&m532x_uart,
&m532x_fec,
@@ -98,18 +92,11 @@ static struct platform_device *m532x_devices[] __initdata = {
static void __init m532x_uart_init_line(int line, int irq)
{
if (line == 0) {
- MCF_INTC0_ICR26 = 0x3;
- MCF_INTC0_CIMR = 26;
/* GPIO initialization */
MCF_GPIO_PAR_UART |= 0x000F;
} else if (line == 1) {
- MCF_INTC0_ICR27 = 0x3;
- MCF_INTC0_CIMR = 27;
/* GPIO initialization */
MCF_GPIO_PAR_UART |= 0x0FF0;
- } else if (line == 2) {
- MCF_INTC0_ICR28 = 0x3;
- MCF_INTC0_CIMR = 28;
}
}
@@ -125,14 +112,6 @@ static void __init m532x_uarts_init(void)
static void __init m532x_fec_init(void)
{
- /* Unmask FEC interrupts at ColdFire interrupt controller */
- MCF_INTC0_ICR36 = 0x2;
- MCF_INTC0_ICR40 = 0x2;
- MCF_INTC0_ICR42 = 0x2;
-
- MCF_INTC0_IMRH &= ~(MCF_INTC_IMRH_INT_MASK36 |
- MCF_INTC_IMRH_INT_MASK40 | MCF_INTC_IMRH_INT_MASK42);
-
/* Set multi-function pins to ethernet mode for fec0 */
MCF_GPIO_PAR_FECI2C |= (MCF_GPIO_PAR_FECI2C_PAR_MDC_EMDC |
MCF_GPIO_PAR_FECI2C_PAR_MDIO_EMDIO);
@@ -142,26 +121,6 @@ static void __init m532x_fec_init(void)
/***************************************************************************/
-void mcf_settimericr(unsigned int timer, unsigned int level)
-{
- volatile unsigned char *icrp;
- unsigned int icr;
- unsigned char irq;
-
- if (timer <= 2) {
- switch (timer) {
- case 2: irq = 33; icr = MCFSIM_ICR_TIMER2; break;
- default: irq = 32; icr = MCFSIM_ICR_TIMER1; break;
- }
-
- icrp = (volatile unsigned char *) (icr);
- *icrp = level;
- mcf_enable_irq0(irq);
- }
-}
-
-/***************************************************************************/
-
static void m532x_cpu_reset(void)
{
local_irq_disable();
@@ -172,8 +131,6 @@ static void m532x_cpu_reset(void)
void __init config_BSP(char *commandp, int size)
{
- mcf_setimr(MCFSIM_IMR_MASKALL);
-
#if !defined(CONFIG_BOOTPARAM)
/* Copy command line from FLASH to local buffer... */
memcpy(commandp, (char *) 0x4000, 4);
@@ -185,10 +142,6 @@ void __init config_BSP(char *commandp, int size)
}
#endif
- mcf_timervector = 64+32;
- mcf_profilevector = 64+33;
- mach_reset = m532x_cpu_reset;
-
#ifdef CONFIG_BDM_DISABLE
/*
* Disable the BDM clocking. This also turns off most of the rest of
@@ -438,8 +391,8 @@ void gpio_init(void)
/* Initialize TIN3 as a GPIO output to enable the write
half of the latch */
MCF_GPIO_PAR_TIMER = 0x00;
- MCF_GPIO_PDDR_TIMER = 0x08;
- MCF_GPIO_PCLRR_TIMER = 0x0;
+ __raw_writeb(0x08, MCFGPIO_PDDR_TIMER);
+ __raw_writeb(0x00, MCFGPIO_PCLRR_TIMER);
}
diff --git a/arch/m68knommu/platform/532x/gpio.c b/arch/m68knommu/platform/532x/gpio.c
new file mode 100644
index 00000000000..184b77382c3
--- /dev/null
+++ b/arch/m68knommu/platform/532x/gpio.c
@@ -0,0 +1,337 @@
+/*
+ * Coldfire generic GPIO support
+ *
+ * (C) Copyright 2009, Steven King <sfking@fdwdc.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+*/
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+
+#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+#include <asm/mcfgpio.h>
+
+static struct mcf_gpio_chip mcf_gpio_chips[] = {
+ {
+ .gpio_chip = {
+ .label = "PIRQ",
+ .request = mcf_gpio_request,
+ .free = mcf_gpio_free,
+ .direction_input = mcf_gpio_direction_input,
+ .direction_output = mcf_gpio_direction_output,
+ .get = mcf_gpio_get_value,
+ .set = mcf_gpio_set_value,
+ .ngpio = 8,
+ },
+ .pddr = MCFEPORT_EPDDR,
+ .podr = MCFEPORT_EPDR,
+ .ppdr = MCFEPORT_EPPDR,
+ },
+ {
+ .gpio_chip = {
+ .label = "FECH",
+ .request = mcf_gpio_request,
+ .free = mcf_gpio_free,
+ .direction_input = mcf_gpio_direction_input,
+ .direction_output = mcf_gpio_direction_output,
+ .get = mcf_gpio_get_value,
+ .set = mcf_gpio_set_value_fast,
+ .base = 8,
+ .ngpio = 8,
+ },
+ .pddr = MCFGPIO_PDDR_FECH,
+ .podr = MCFGPIO_PODR_FECH,
+ .ppdr = MCFGPIO_PPDSDR_FECH,
+ .setr = MCFGPIO_PPDSDR_FECH,
+ .clrr = MCFGPIO_PCLRR_FECH,
+ },
+ {
+ .gpio_chip = {
+ .label = "FECL",
+ .request = mcf_gpio_request,
+ .free = mcf_gpio_free,
+ .direction_input = mcf_gpio_direction_input,
+ .direction_output = mcf_gpio_direction_output,
+ .get = mcf_gpio_get_value,
+ .set = mcf_gpio_set_value_fast,
+ .base = 16,
+ .ngpio = 8,
+ },
+ .pddr = MCFGPIO_PDDR_FECL,
+ .podr = MCFGPIO_PODR_FECL,
+ .ppdr = MCFGPIO_PPDSDR_FECL,
+ .setr = MCFGPIO_PPDSDR_FECL,
+ .clrr = MCFGPIO_PCLRR_FECL,
+ },
+ {
+ .gpio_chip = {
+ .label = "SSI",
+ .request = mcf_gpio_request,
+ .free = mcf_gpio_free,
+ .direction_input = mcf_gpio_direction_input,
+ .direction_output = mcf_gpio_direction_output,
+ .get = mcf_gpio_get_value,
+ .set = mcf_gpio_set_value_fast,
+ .base = 24,
+ .ngpio = 5,
+ },
+ .pddr = MCFGPIO_PDDR_SSI,
+ .podr = MCFGPIO_PODR_SSI,
+ .ppdr = MCFGPIO_PPDSDR_SSI,
+ .setr = MCFGPIO_PPDSDR_SSI,
+ .clrr = MCFGPIO_PCLRR_SSI,
+ },
+ {
+ .gpio_chip = {
+ .label = "BUSCTL",
+ .request = mcf_gpio_request,
+ .free = mcf_gpio_free,
+ .direction_input = mcf_gpio_direction_input,
+ .direction_output = mcf_gpio_direction_output,
+ .get = mcf_gpio_get_value,
+ .set = mcf_gpio_set_value_fast,
+ .base = 32,
+ .ngpio = 4,
+ },
+ .pddr = MCFGPIO_PDDR_BUSCTL,
+ .podr = MCFGPIO_PODR_BUSCTL,
+ .ppdr = MCFGPIO_PPDSDR_BUSCTL,
+ .setr = MCFGPIO_PPDSDR_BUSCTL,
+ .clrr = MCFGPIO_PCLRR_BUSCTL,
+ },
+ {
+ .gpio_chip = {
+ .label = "BE",
+ .request = mcf_gpio_request,
+ .free = mcf_gpio_free,
+ .direction_input = mcf_gpio_direction_input,
+ .direction_output = mcf_gpio_direction_output,
+ .get = mcf_gpio_get_value,
+ .set = mcf_gpio_set_value_fast,
+ .base = 40,
+ .ngpio = 4,
+ },
+ .pddr = MCFGPIO_PDDR_BE,
+ .podr = MCFGPIO_PODR_BE,
+ .ppdr = MCFGPIO_PPDSDR_BE,
+ .setr = MCFGPIO_PPDSDR_BE,
+ .clrr = MCFGPIO_PCLRR_BE,
+ },
+ {
+ .gpio_chip = {
+ .label = "CS",
+ .request = mcf_gpio_request,
+ .free = mcf_gpio_free,
+ .direction_input = mcf_gpio_direction_input,
+ .direction_output = mcf_gpio_direction_output,
+ .get = mcf_gpio_get_value,
+ .set = mcf_gpio_set_value_fast,
+ .base = 49,
+ .ngpio = 5,
+ },
+ .pddr = MCFGPIO_PDDR_CS,
+ .podr = MCFGPIO_PODR_CS,
+ .ppdr = MCFGPIO_PPDSDR_CS,
+ .setr = MCFGPIO_PPDSDR_CS,
+ .clrr = MCFGPIO_PCLRR_CS,
+ },
+ {
+ .gpio_chip = {
+ .label = "PWM",
+ .request = mcf_gpio_request,
+ .free = mcf_gpio_free,
+ .direction_input = mcf_gpio_direction_input,
+ .direction_output = mcf_gpio_direction_output,
+ .get = mcf_gpio_get_value,
+ .set = mcf_gpio_set_value_fast,
+ .base = 58,
+ .ngpio = 4,
+ },
+ .pddr = MCFGPIO_PDDR_PWM,
+ .podr = MCFGPIO_PODR_PWM,
+ .ppdr = MCFGPIO_PPDSDR_PWM,
+ .setr = MCFGPIO_PPDSDR_PWM,
+ .clrr = MCFGPIO_PCLRR_PWM,
+ },
+ {
+ .gpio_chip = {
+ .label = "FECI2C",
+ .request = mcf_gpio_request,
+ .free = mcf_gpio_free,
+ .direction_input = mcf_gpio_direction_input,
+ .direction_output = mcf_gpio_direction_output,
+ .get = mcf_gpio_get_value,
+ .set = mcf_gpio_set_value_fast,
+ .base = 64,
+ .ngpio = 4,
+ },
+ .pddr = MCFGPIO_PDDR_FECI2C,
+ .podr = MCFGPIO_PODR_FECI2C,
+ .ppdr = MCFGPIO_PPDSDR_FECI2C,
+ .setr = MCFGPIO_PPDSDR_FECI2C,
+ .clrr = MCFGPIO_PCLRR_FECI2C,
+ },
+ {
+ .gpio_chip = {
+ .label = "UART",
+ .request = mcf_gpio_request,
+ .free = mcf_gpio_free,
+ .direction_input = mcf_gpio_direction_input,
+ .direction_output = mcf_gpio_direction_output,
+ .get = mcf_gpio_get_value,
+ .set = mcf_gpio_set_value_fast,
+ .base = 72,
+ .ngpio = 8,
+ },
+ .pddr = MCFGPIO_PDDR_UART,
+ .podr = MCFGPIO_PODR_UART,
+ .ppdr = MCFGPIO_PPDSDR_UART,
+ .setr = MCFGPIO_PPDSDR_UART,
+ .clrr = MCFGPIO_PCLRR_UART,
+ },
+ {
+ .gpio_chip = {
+ .label = "QSPI",
+ .request = mcf_gpio_request,
+ .free = mcf_gpio_free,
+ .direction_input = mcf_gpio_direction_input,
+ .direction_output = mcf_gpio_direction_output,
+ .get = mcf_gpio_get_value,
+ .set = mcf_gpio_set_value_fast,
+ .base = 80,
+ .ngpio = 6,
+ },
+ .pddr = MCFGPIO_PDDR_QSPI,
+ .podr = MCFGPIO_PODR_QSPI,
+ .ppdr = MCFGPIO_PPDSDR_QSPI,
+ .setr = MCFGPIO_PPDSDR_QSPI,
+ .clrr = MCFGPIO_PCLRR_QSPI,
+ },
+ {
+ .gpio_chip = {
+ .label = "TIMER",
+ .request = mcf_gpio_request,
+ .free = mcf_gpio_free,
+ .direction_input = mcf_gpio_direction_input,
+ .direction_output = mcf_gpio_direction_output,
+ .get = mcf_gpio_get_value,
+ .set = mcf_gpio_set_value_fast,
+ .base = 88,
+ .ngpio = 4,
+ },
+ .pddr = MCFGPIO_PDDR_TIMER,
+ .podr = MCFGPIO_PODR_TIMER,
+ .ppdr = MCFGPIO_PPDSDR_TIMER,
+ .setr = MCFGPIO_PPDSDR_TIMER,
+ .clrr = MCFGPIO_PCLRR_TIMER,
+ },
+ {
+ .gpio_chip = {
+ .label = "LCDDATAH",
+ .request = mcf_gpio_request,
+ .free = mcf_gpio_free,
+ .direction_input = mcf_gpio_direction_input,
+ .direction_output = mcf_gpio_direction_output,
+ .get = mcf_gpio_get_value,
+ .set = mcf_gpio_set_value_fast,
+ .base = 96,
+ .ngpio = 2,
+ },
+ .pddr = MCFGPIO_PDDR_LCDDATAH,
+ .podr = MCFGPIO_PODR_LCDDATAH,
+ .ppdr = MCFGPIO_PPDSDR_LCDDATAH,
+ .setr = MCFGPIO_PPDSDR_LCDDATAH,
+ .clrr = MCFGPIO_PCLRR_LCDDATAH,
+ },
+ {
+ .gpio_chip = {
+ .label = "LCDDATAM",
+ .request = mcf_gpio_request,
+ .free = mcf_gpio_free,
+ .direction_input = mcf_gpio_direction_input,
+ .direction_output = mcf_gpio_direction_output,
+ .get = mcf_gpio_get_value,
+ .set = mcf_gpio_set_value_fast,
+ .base = 104,
+ .ngpio = 8,
+ },
+ .pddr = MCFGPIO_PDDR_LCDDATAM,
+ .podr = MCFGPIO_PODR_LCDDATAM,
+ .ppdr = MCFGPIO_PPDSDR_LCDDATAM,
+ .setr = MCFGPIO_PPDSDR_LCDDATAM,
+ .clrr = MCFGPIO_PCLRR_LCDDATAM,
+ },
+ {
+ .gpio_chip = {
+ .label = "LCDDATAL",
+ .request = mcf_gpio_request,
+ .free = mcf_gpio_free,
+ .direction_input = mcf_gpio_direction_input,
+ .direction_output = mcf_gpio_direction_output,
+ .get = mcf_gpio_get_value,
+ .set = mcf_gpio_set_value_fast,
+ .base = 112,
+ .ngpio = 8,
+ },
+ .pddr = MCFGPIO_PDDR_LCDDATAL,
+ .podr = MCFGPIO_PODR_LCDDATAL,
+ .ppdr = MCFGPIO_PPDSDR_LCDDATAL,
+ .setr = MCFGPIO_PPDSDR_LCDDATAL,
+ .clrr = MCFGPIO_PCLRR_LCDDATAL,
+ },
+ {
+ .gpio_chip = {
+ .label = "LCDCTLH",
+ .request = mcf_gpio_request,
+ .free = mcf_gpio_free,
+ .direction_input = mcf_gpio_direction_input,
+ .direction_output = mcf_gpio_direction_output,
+ .get = mcf_gpio_get_value,
+ .set = mcf_gpio_set_value_fast,
+ .base = 120,
+ .ngpio = 1,
+ },
+ .pddr = MCFGPIO_PDDR_LCDCTLH,
+ .podr = MCFGPIO_PODR_LCDCTLH,
+ .ppdr = MCFGPIO_PPDSDR_LCDCTLH,
+ .setr = MCFGPIO_PPDSDR_LCDCTLH,
+ .clrr = MCFGPIO_PCLRR_LCDCTLH,
+ },
+ {
+ .gpio_chip = {
+ .label = "LCDCTLL",
+ .request = mcf_gpio_request,
+ .free = mcf_gpio_free,
+ .direction_input = mcf_gpio_direction_input,
+ .direction_output = mcf_gpio_direction_output,
+ .get = mcf_gpio_get_value,
+ .set = mcf_gpio_set_value_fast,
+ .base = 128,
+ .ngpio = 8,
+ },
+ .pddr = MCFGPIO_PDDR_LCDCTLL,
+ .podr = MCFGPIO_PODR_LCDCTLL,
+ .ppdr = MCFGPIO_PPDSDR_LCDCTLL,
+ .setr = MCFGPIO_PPDSDR_LCDCTLL,
+ .clrr = MCFGPIO_PCLRR_LCDCTLL,
+ },
+};
+
+static int __init mcf_gpio_init(void)
+{
+ unsigned i = 0;
+ while (i < ARRAY_SIZE(mcf_gpio_chips))
+ (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
+ return 0;
+}
+
+core_initcall(mcf_gpio_init);
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-12 05:00:41 +0000