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Diffstat (limited to 'arch/sh/kernel/cpu/sh4/setup-sh4-202.c')
-rw-r--r--arch/sh/kernel/cpu/sh4/setup-sh4-202.c124
1 files changed, 109 insertions, 15 deletions
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
index 7371abf64f8..e7a7b3cdf68 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
@@ -2,6 +2,7 @@
* SH4-202 Setup
*
* Copyright (C) 2006 Paul Mundt
+ * Copyright (C) 2009 Magnus Damm
*
* 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
@@ -11,28 +12,58 @@
#include <linux/init.h>
#include <linux/serial.h>
#include <linux/serial_sci.h>
+#include <linux/sh_timer.h>
+#include <linux/sh_intc.h>
+#include <linux/io.h>
-static struct plat_sci_port sci_platform_data[] = {
- {
- .mapbase = 0xffe80000,
- .flags = UPF_BOOT_AUTOCONF,
- .type = PORT_SCIF,
- .irqs = { 40, 41, 43, 42 },
- }, {
- .flags = 0,
- }
+static struct plat_sci_port scif0_platform_data = {
+ .flags = UPF_BOOT_AUTOCONF,
+ .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
+ .type = PORT_SCIF,
+};
+
+static struct resource scif0_resources[] = {
+ DEFINE_RES_MEM(0xffe80000, 0x100),
+ DEFINE_RES_IRQ(evt2irq(0x700)),
+ DEFINE_RES_IRQ(evt2irq(0x720)),
+ DEFINE_RES_IRQ(evt2irq(0x760)),
+ DEFINE_RES_IRQ(evt2irq(0x740)),
};
-static struct platform_device sci_device = {
+static struct platform_device scif0_device = {
.name = "sh-sci",
- .id = -1,
+ .id = 0,
+ .resource = scif0_resources,
+ .num_resources = ARRAY_SIZE(scif0_resources),
.dev = {
- .platform_data = sci_platform_data,
+ .platform_data = &scif0_platform_data,
+ },
+};
+
+static struct sh_timer_config tmu0_platform_data = {
+ .channels_mask = 7,
+};
+
+static struct resource tmu0_resources[] = {
+ DEFINE_RES_MEM(0xffd80000, 0x30),
+ DEFINE_RES_IRQ(evt2irq(0x400)),
+ DEFINE_RES_IRQ(evt2irq(0x420)),
+ DEFINE_RES_IRQ(evt2irq(0x440)),
+};
+
+static struct platform_device tmu0_device = {
+ .name = "sh-tmu",
+ .id = 0,
+ .dev = {
+ .platform_data = &tmu0_platform_data,
},
+ .resource = tmu0_resources,
+ .num_resources = ARRAY_SIZE(tmu0_resources),
};
static struct platform_device *sh4202_devices[] __initdata = {
- &sci_device,
+ &scif0_device,
+ &tmu0_device,
};
static int __init sh4202_devices_setup(void)
@@ -40,9 +71,72 @@ static int __init sh4202_devices_setup(void)
return platform_add_devices(sh4202_devices,
ARRAY_SIZE(sh4202_devices));
}
-__initcall(sh4202_devices_setup);
+arch_initcall(sh4202_devices_setup);
+
+static struct platform_device *sh4202_early_devices[] __initdata = {
+ &scif0_device,
+ &tmu0_device,
+};
+
+void __init plat_early_device_setup(void)
+{
+ early_platform_add_devices(sh4202_early_devices,
+ ARRAY_SIZE(sh4202_early_devices));
+}
+
+enum {
+ UNUSED = 0,
+
+ /* interrupt sources */
+ IRL0, IRL1, IRL2, IRL3, /* only IRLM mode supported */
+ HUDI, TMU0, TMU1, TMU2, RTC, SCIF, WDT,
+};
+
+static struct intc_vect vectors[] __initdata = {
+ INTC_VECT(HUDI, 0x600),
+ INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
+ INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
+ INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
+ INTC_VECT(RTC, 0x4c0),
+ INTC_VECT(SCIF, 0x700), INTC_VECT(SCIF, 0x720),
+ INTC_VECT(SCIF, 0x740), INTC_VECT(SCIF, 0x760),
+ INTC_VECT(WDT, 0x560),
+};
+
+static struct intc_prio_reg prio_registers[] __initdata = {
+ { 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
+ { 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, 0, 0, 0 } },
+ { 0xffd0000c, 0, 16, 4, /* IPRC */ { 0, 0, SCIF, HUDI } },
+ { 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } },
+};
+
+static DECLARE_INTC_DESC(intc_desc, "sh4-202", vectors, NULL,
+ NULL, prio_registers, NULL);
+
+static struct intc_vect vectors_irlm[] __initdata = {
+ INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0),
+ INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360),
+};
+
+static DECLARE_INTC_DESC(intc_desc_irlm, "sh4-202_irlm", vectors_irlm, NULL,
+ NULL, prio_registers, NULL);
void __init plat_irq_setup(void)
{
- /* do nothing - all IRL interrupts are handled by the board code */
+ register_intc_controller(&intc_desc);
+}
+
+#define INTC_ICR 0xffd00000UL
+#define INTC_ICR_IRLM (1<<7)
+
+void __init plat_irq_setup_pins(int mode)
+{
+ switch (mode) {
+ case IRQ_MODE_IRQ: /* individual interrupt mode for IRL3-0 */
+ __raw_writew(__raw_readw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
+ register_intc_controller(&intc_desc_irlm);
+ break;
+ default:
+ BUG();
+ }
}