diff options
Diffstat (limited to 'arch/sh/kernel/cpu/sh4/setup-sh4-202.c')
| -rw-r--r-- | arch/sh/kernel/cpu/sh4/setup-sh4-202.c | 164 |
1 files changed, 163 insertions, 1 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..6d088d12359 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 @@ -11,6 +12,8 @@ #include <linux/init.h> #include <linux/serial.h> #include <linux/serial_sci.h> +#include <linux/sh_timer.h> +#include <linux/io.h> static struct plat_sci_port sci_platform_data[] = { { @@ -31,8 +34,103 @@ static struct platform_device sci_device = { }, }; +static struct sh_timer_config tmu0_platform_data = { + .name = "TMU0", + .channel_offset = 0x04, + .timer_bit = 0, + .clk = "peripheral_clk", + .clockevent_rating = 200, +}; + +static struct resource tmu0_resources[] = { + [0] = { + .name = "TMU0", + .start = 0xffd80008, + .end = 0xffd80013, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 16, + .flags = IORESOURCE_IRQ, + }, +}; + +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 sh_timer_config tmu1_platform_data = { + .name = "TMU1", + .channel_offset = 0x10, + .timer_bit = 1, + .clk = "peripheral_clk", + .clocksource_rating = 200, +}; + +static struct resource tmu1_resources[] = { + [0] = { + .name = "TMU1", + .start = 0xffd80014, + .end = 0xffd8001f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 17, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device tmu1_device = { + .name = "sh_tmu", + .id = 1, + .dev = { + .platform_data = &tmu1_platform_data, + }, + .resource = tmu1_resources, + .num_resources = ARRAY_SIZE(tmu1_resources), +}; + +static struct sh_timer_config tmu2_platform_data = { + .name = "TMU2", + .channel_offset = 0x1c, + .timer_bit = 2, + .clk = "peripheral_clk", +}; + +static struct resource tmu2_resources[] = { + [0] = { + .name = "TMU2", + .start = 0xffd80020, + .end = 0xffd8002f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 18, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device tmu2_device = { + .name = "sh_tmu", + .id = 2, + .dev = { + .platform_data = &tmu2_platform_data, + }, + .resource = tmu2_resources, + .num_resources = ARRAY_SIZE(tmu2_resources), +}; + static struct platform_device *sh4202_devices[] __initdata = { &sci_device, + &tmu0_device, + &tmu1_device, + &tmu2_device, }; static int __init sh4202_devices_setup(void) @@ -42,7 +140,71 @@ static int __init sh4202_devices_setup(void) } __initcall(sh4202_devices_setup); +static struct platform_device *sh4202_early_devices[] __initdata = { + &tmu0_device, + &tmu1_device, + &tmu2_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 */ + ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR); + register_intc_controller(&intc_desc_irlm); + break; + default: + BUG(); + } } |