aboutsummaryrefslogtreecommitdiff
path: root/arch/m68knommu/platform/5307
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68knommu/platform/5307')
-rw-r--r--arch/m68knommu/platform/5307/Makefile2
-rw-r--r--arch/m68knommu/platform/5307/config.c65
-rw-r--r--arch/m68knommu/platform/5307/gpio.c49
3 files changed, 72 insertions, 44 deletions
diff --git a/arch/m68knommu/platform/5307/Makefile b/arch/m68knommu/platform/5307/Makefile
index cfd586860fd8..667db6598451 100644
--- a/arch/m68knommu/platform/5307/Makefile
+++ b/arch/m68knommu/platform/5307/Makefile
@@ -14,5 +14,5 @@
asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1
-obj-y += config.o
+obj-y += config.o gpio.o
diff --git a/arch/m68knommu/platform/5307/config.c b/arch/m68knommu/platform/5307/config.c
index 39da9e9ff674..00900ac06a9c 100644
--- a/arch/m68knommu/platform/5307/config.c
+++ b/arch/m68knommu/platform/5307/config.c
@@ -21,12 +21,6 @@
/***************************************************************************/
-extern unsigned int mcf_timervector;
-extern unsigned int mcf_profilevector;
-extern unsigned int mcf_timerlevel;
-
-/***************************************************************************/
-
/*
* Some platforms need software versions of the GPIO data registers.
*/
@@ -64,11 +58,11 @@ static void __init m5307_uart_init_line(int line, int irq)
if (line == 0) {
writeb(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI1, MCF_MBAR + MCFSIM_UART1ICR);
writeb(irq, MCF_MBAR + MCFUART_BASE1 + MCFUART_UIVR);
- mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART1);
+ mcf_mapirq2imr(irq, MCFINTC_UART0);
} else if (line == 1) {
writeb(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI2, MCF_MBAR + MCFSIM_UART2ICR);
writeb(irq, MCF_MBAR + MCFUART_BASE2 + MCFUART_UIVR);
- mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART2);
+ mcf_mapirq2imr(irq, MCFINTC_UART1);
}
}
@@ -83,35 +77,19 @@ static void __init m5307_uarts_init(void)
/***************************************************************************/
-void mcf_autovector(unsigned int vec)
-{
- volatile unsigned char *mbar;
-
- if ((vec >= 25) && (vec <= 31)) {
- mbar = (volatile unsigned char *) MCF_MBAR;
- vec = 0x1 << (vec - 24);
- *(mbar + MCFSIM_AVR) |= vec;
- mcf_setimr(mcf_getimr() & ~vec);
- }
-}
-
-/***************************************************************************/
-
-void mcf_settimericr(unsigned int timer, unsigned int level)
+static void __init m5307_timers_init(void)
{
- volatile unsigned char *icrp;
- unsigned int icr, imr;
-
- if (timer <= 2) {
- switch (timer) {
- case 2: icr = MCFSIM_TIMER2ICR; imr = MCFSIM_IMR_TIMER2; break;
- default: icr = MCFSIM_TIMER1ICR; imr = MCFSIM_IMR_TIMER1; break;
- }
-
- icrp = (volatile unsigned char *) (MCF_MBAR + icr);
- *icrp = MCFSIM_ICR_AUTOVEC | (level << 2) | MCFSIM_ICR_PRI3;
- mcf_setimr(mcf_getimr() & ~imr);
- }
+ /* Timer1 is always used as system timer */
+ writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI3,
+ MCF_MBAR + MCFSIM_TIMER1ICR);
+ mcf_mapirq2imr(MCF_IRQ_TIMER, MCFINTC_TIMER1);
+
+#ifdef CONFIG_HIGHPROFILE
+ /* Timer2 is to be used as a high speed profile timer */
+ writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL7 | MCFSIM_ICR_PRI3,
+ MCF_MBAR + MCFSIM_TIMER2ICR);
+ mcf_mapirq2imr(MCF_IRQ_PROFILER, MCFINTC_TIMER2);
+#endif
}
/***************************************************************************/
@@ -129,20 +107,22 @@ void m5307_cpu_reset(void)
void __init config_BSP(char *commandp, int size)
{
- mcf_setimr(MCFSIM_IMR_MASKALL);
-
#if defined(CONFIG_NETtel) || \
defined(CONFIG_SECUREEDGEMP3) || defined(CONFIG_CLEOPATRA)
/* Copy command line from FLASH to local buffer... */
memcpy(commandp, (char *) 0xf0004000, size);
commandp[size-1] = 0;
- /* Different timer setup - to prevent device clash */
- mcf_timervector = 30;
- mcf_profilevector = 31;
- mcf_timerlevel = 6;
#endif
mach_reset = m5307_cpu_reset;
+ m5307_timers_init();
+ m5307_uarts_init();
+
+ /* Only support the external interrupts on their primary level */
+ mcf_mapirq2imr(25, MCFINTC_EINT1);
+ mcf_mapirq2imr(27, MCFINTC_EINT3);
+ mcf_mapirq2imr(29, MCFINTC_EINT5);
+ mcf_mapirq2imr(31, MCFINTC_EINT7);
#ifdef CONFIG_BDM_DISABLE
/*
@@ -158,7 +138,6 @@ void __init config_BSP(char *commandp, int size)
static int __init init_BSP(void)
{
- m5307_uarts_init();
platform_add_devices(m5307_devices, ARRAY_SIZE(m5307_devices));
return 0;
}
diff --git a/arch/m68knommu/platform/5307/gpio.c b/arch/m68knommu/platform/5307/gpio.c
new file mode 100644
index 000000000000..8da5880e4066
--- /dev/null
+++ b/arch/m68knommu/platform/5307/gpio.c
@@ -0,0 +1,49 @@
+/*
+ * 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 = "PP",
+ .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 = 16,
+ },
+ .pddr = MCFSIM_PADDR,
+ .podr = MCFSIM_PADAT,
+ .ppdr = MCFSIM_PADAT,
+ },
+};
+
+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);