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-rw-r--r--arch/sh/boards/mach-cayman/Makefile2
-rw-r--r--arch/sh/boards/mach-cayman/irq.c55
-rw-r--r--arch/sh/boards/mach-cayman/panic.c49
-rw-r--r--arch/sh/boards/mach-cayman/setup.c5
4 files changed, 69 insertions, 42 deletions
diff --git a/arch/sh/boards/mach-cayman/Makefile b/arch/sh/boards/mach-cayman/Makefile
index cafe1ac3b29..00fa3eaecb1 100644
--- a/arch/sh/boards/mach-cayman/Makefile
+++ b/arch/sh/boards/mach-cayman/Makefile
@@ -1,4 +1,4 @@
#
# Makefile for the Hitachi Cayman specific parts of the kernel
#
-obj-y := setup.o irq.o
+obj-y := setup.o irq.o panic.o
diff --git a/arch/sh/boards/mach-cayman/irq.c b/arch/sh/boards/mach-cayman/irq.c
index da62ad51699..724e8b7271f 100644
--- a/arch/sh/boards/mach-cayman/irq.c
+++ b/arch/sh/boards/mach-cayman/irq.c
@@ -46,17 +46,16 @@ static irqreturn_t cayman_interrupt_pci2(int irq, void *dev_id)
static struct irqaction cayman_action_smsc = {
.name = "Cayman SMSC Mux",
.handler = cayman_interrupt_smsc,
- .flags = IRQF_DISABLED,
};
static struct irqaction cayman_action_pci2 = {
.name = "Cayman PCI2 Mux",
.handler = cayman_interrupt_pci2,
- .flags = IRQF_DISABLED,
};
-static void enable_cayman_irq(unsigned int irq)
+static void enable_cayman_irq(struct irq_data *data)
{
+ unsigned int irq = data->irq;
unsigned long flags;
unsigned long mask;
unsigned int reg;
@@ -66,14 +65,15 @@ static void enable_cayman_irq(unsigned int irq)
reg = EPLD_MASK_BASE + ((irq / 8) << 2);
bit = 1<<(irq % 8);
local_irq_save(flags);
- mask = ctrl_inl(reg);
+ mask = __raw_readl(reg);
mask |= bit;
- ctrl_outl(mask, reg);
+ __raw_writel(mask, reg);
local_irq_restore(flags);
}
-void disable_cayman_irq(unsigned int irq)
+static void disable_cayman_irq(struct irq_data *data)
{
+ unsigned int irq = data->irq;
unsigned long flags;
unsigned long mask;
unsigned int reg;
@@ -83,22 +83,16 @@ void disable_cayman_irq(unsigned int irq)
reg = EPLD_MASK_BASE + ((irq / 8) << 2);
bit = 1<<(irq % 8);
local_irq_save(flags);
- mask = ctrl_inl(reg);
+ mask = __raw_readl(reg);
mask &= ~bit;
- ctrl_outl(mask, reg);
+ __raw_writel(mask, reg);
local_irq_restore(flags);
}
-static void ack_cayman_irq(unsigned int irq)
-{
- disable_cayman_irq(irq);
-}
-
struct irq_chip cayman_irq_type = {
.name = "Cayman-IRQ",
- .unmask = enable_cayman_irq,
- .mask = disable_cayman_irq,
- .mask_ack = ack_cayman_irq,
+ .irq_unmask = enable_cayman_irq,
+ .irq_mask = disable_cayman_irq,
};
int cayman_irq_demux(int evt)
@@ -109,8 +103,8 @@ int cayman_irq_demux(int evt)
unsigned long status;
int i;
- status = ctrl_inl(EPLD_STATUS_BASE) &
- ctrl_inl(EPLD_MASK_BASE) & 0xff;
+ status = __raw_readl(EPLD_STATUS_BASE) &
+ __raw_readl(EPLD_MASK_BASE) & 0xff;
if (status == 0) {
irq = -1;
} else {
@@ -126,8 +120,8 @@ int cayman_irq_demux(int evt)
unsigned long status;
int i;
- status = ctrl_inl(EPLD_STATUS_BASE + 3 * sizeof(u32)) &
- ctrl_inl(EPLD_MASK_BASE + 3 * sizeof(u32)) & 0xff;
+ status = __raw_readl(EPLD_STATUS_BASE + 3 * sizeof(u32)) &
+ __raw_readl(EPLD_MASK_BASE + 3 * sizeof(u32)) & 0xff;
if (status == 0) {
irq = -1;
} else {
@@ -142,34 +136,19 @@ int cayman_irq_demux(int evt)
return irq;
}
-#if defined(CONFIG_PROC_FS) && defined(CONFIG_SYSCTL)
-int cayman_irq_describe(char* p, int irq)
-{
- if (irq < NR_INTC_IRQS) {
- return intc_irq_describe(p, irq);
- } else if (irq < NR_INTC_IRQS + 8) {
- return sprintf(p, "(SMSC %d)", irq - NR_INTC_IRQS);
- } else if ((irq >= NR_INTC_IRQS + 24) && (irq < NR_INTC_IRQS + 32)) {
- return sprintf(p, "(PCI2 %d)", irq - (NR_INTC_IRQS + 24));
- }
-
- return 0;
-}
-#endif
-
void init_cayman_irq(void)
{
int i;
- epld_virt = onchip_remap(EPLD_BASE, 1024, "EPLD");
+ epld_virt = (unsigned long)ioremap_nocache(EPLD_BASE, 1024);
if (!epld_virt) {
printk(KERN_ERR "Cayman IRQ: Unable to remap EPLD\n");
return;
}
for (i = 0; i < NR_EXT_IRQS; i++) {
- set_irq_chip_and_handler(START_EXT_IRQS + i, &cayman_irq_type,
- handle_level_irq);
+ irq_set_chip_and_handler(START_EXT_IRQS + i,
+ &cayman_irq_type, handle_level_irq);
}
/* Setup the SMSC interrupt */
diff --git a/arch/sh/boards/mach-cayman/panic.c b/arch/sh/boards/mach-cayman/panic.c
new file mode 100644
index 00000000000..d1e67306d07
--- /dev/null
+++ b/arch/sh/boards/mach-cayman/panic.c
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2003 Richard Curnow, SuperH UK Limited
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <cpu/registers.h>
+
+/* THIS IS A PHYSICAL ADDRESS */
+#define HDSP2534_ADDR (0x04002100)
+
+static void poor_mans_delay(void)
+{
+ int i;
+
+ for (i = 0; i < 2500000; i++)
+ cpu_relax();
+}
+
+static void show_value(unsigned long x)
+{
+ int i;
+ unsigned nibble;
+ for (i = 0; i < 8; i++) {
+ nibble = ((x >> (i * 4)) & 0xf);
+
+ __raw_writeb(nibble + ((nibble > 9) ? 55 : 48),
+ HDSP2534_ADDR + 0xe0 + ((7 - i) << 2));
+ }
+}
+
+void
+panic_handler(unsigned long panicPC, unsigned long panicSSR,
+ unsigned long panicEXPEVT)
+{
+ while (1) {
+ /* This piece of code displays the PC on the LED display */
+ show_value(panicPC);
+ poor_mans_delay();
+ show_value(panicSSR);
+ poor_mans_delay();
+ show_value(panicEXPEVT);
+ poor_mans_delay();
+ }
+}
diff --git a/arch/sh/boards/mach-cayman/setup.c b/arch/sh/boards/mach-cayman/setup.c
index e7f9cc5f2ff..340fd40b381 100644
--- a/arch/sh/boards/mach-cayman/setup.c
+++ b/arch/sh/boards/mach-cayman/setup.c
@@ -102,7 +102,7 @@ static int __init smsc_superio_setup(void)
{
unsigned char devid, devrev;
- smsc_superio_virt = onchip_remap(SMSC_SUPERIO_BASE, 1024, "SMSC SuperIO");
+ smsc_superio_virt = (unsigned long)ioremap_nocache(SMSC_SUPERIO_BASE, 1024);
if (!smsc_superio_virt) {
panic("Unable to remap SMSC SuperIO\n");
}
@@ -165,7 +165,7 @@ static int __init smsc_superio_setup(void)
return 0;
}
-__initcall(smsc_superio_setup);
+device_initcall(smsc_superio_setup);
static void __iomem *cayman_ioport_map(unsigned long port, unsigned int len)
{
@@ -181,7 +181,6 @@ extern void init_cayman_irq(void);
static struct sh_machine_vector mv_cayman __initmv = {
.mv_name = "Hitachi Cayman",
- .mv_nr_irqs = 64,
.mv_ioport_map = cayman_ioport_map,
.mv_init_irq = init_cayman_irq,
};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-11 11:53:30 +0000