aboutsummaryrefslogtreecommitdiff
path: root/arch/sh/kernel/cpu/sh4a/setup-shx3.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/kernel/cpu/sh4a/setup-shx3.c')
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-shx3.c247
1 files changed, 81 insertions, 166 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/setup-shx3.c b/arch/sh/kernel/cpu/sh4a/setup-shx3.c
index 780ba17a559..a78c5feb4e3 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-shx3.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-shx3.c
@@ -1,7 +1,7 @@
/*
* SH-X3 Prototype Setup
*
- * Copyright (C) 2007 - 2009 Paul Mundt
+ * Copyright (C) 2007 - 2010 Paul Mundt
*
* 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
@@ -12,7 +12,10 @@
#include <linux/serial.h>
#include <linux/serial_sci.h>
#include <linux/io.h>
+#include <linux/gpio.h>
#include <linux/sh_timer.h>
+#include <linux/sh_intc.h>
+#include <cpu/shx3.h>
#include <asm/mmzone.h>
/*
@@ -25,73 +28,90 @@
* all rather than adding infrastructure to hack around it.
*/
static struct plat_sci_port scif0_platform_data = {
- .mapbase = 0xffc30000,
.flags = UPF_BOOT_AUTOCONF,
+ .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
.type = PORT_SCIF,
- .irqs = { 40, 41, 43, 42 },
+};
+
+static struct resource scif0_resources[] = {
+ DEFINE_RES_MEM(0xffc30000, 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 scif0_device = {
.name = "sh-sci",
.id = 0,
+ .resource = scif0_resources,
+ .num_resources = ARRAY_SIZE(scif0_resources),
.dev = {
.platform_data = &scif0_platform_data,
},
};
static struct plat_sci_port scif1_platform_data = {
- .mapbase = 0xffc40000,
.flags = UPF_BOOT_AUTOCONF,
+ .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
.type = PORT_SCIF,
- .irqs = { 44, 45, 47, 46 },
+};
+
+static struct resource scif1_resources[] = {
+ DEFINE_RES_MEM(0xffc40000, 0x100),
+ DEFINE_RES_IRQ(evt2irq(0x780)),
+ DEFINE_RES_IRQ(evt2irq(0x7a0)),
+ DEFINE_RES_IRQ(evt2irq(0x7e0)),
+ DEFINE_RES_IRQ(evt2irq(0x7c0)),
};
static struct platform_device scif1_device = {
.name = "sh-sci",
.id = 1,
+ .resource = scif1_resources,
+ .num_resources = ARRAY_SIZE(scif1_resources),
.dev = {
.platform_data = &scif1_platform_data,
},
};
static struct plat_sci_port scif2_platform_data = {
- .mapbase = 0xffc60000,
.flags = UPF_BOOT_AUTOCONF,
+ .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
.type = PORT_SCIF,
- .irqs = { 52, 53, 55, 54 },
+};
+
+static struct resource scif2_resources[] = {
+ DEFINE_RES_MEM(0xffc60000, 0x100),
+ DEFINE_RES_IRQ(evt2irq(0x880)),
+ DEFINE_RES_IRQ(evt2irq(0x8a0)),
+ DEFINE_RES_IRQ(evt2irq(0x8e0)),
+ DEFINE_RES_IRQ(evt2irq(0x8c0)),
};
static struct platform_device scif2_device = {
.name = "sh-sci",
.id = 2,
+ .resource = scif2_resources,
+ .num_resources = ARRAY_SIZE(scif2_resources),
.dev = {
.platform_data = &scif2_platform_data,
},
};
static struct sh_timer_config tmu0_platform_data = {
- .name = "TMU0",
- .channel_offset = 0x04,
- .timer_bit = 0,
- .clk = "peripheral_clk",
- .clockevent_rating = 200,
+ .channels_mask = 7,
};
static struct resource tmu0_resources[] = {
- [0] = {
- .name = "TMU0",
- .start = 0xffc10008,
- .end = 0xffc10013,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 16,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_MEM(0xffc10000, 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",
+ .name = "sh-tmu",
.id = 0,
.dev = {
.platform_data = &tmu0_platform_data,
@@ -101,28 +121,18 @@ static struct platform_device tmu0_device = {
};
static struct sh_timer_config tmu1_platform_data = {
- .name = "TMU1",
- .channel_offset = 0x10,
- .timer_bit = 1,
- .clk = "peripheral_clk",
- .clocksource_rating = 200,
+ .channels_mask = 7,
};
static struct resource tmu1_resources[] = {
- [0] = {
- .name = "TMU1",
- .start = 0xffc10014,
- .end = 0xffc1001f,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 17,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_MEM(0xffc20000, 0x2c),
+ DEFINE_RES_IRQ(evt2irq(0x460)),
+ DEFINE_RES_IRQ(evt2irq(0x480)),
+ DEFINE_RES_IRQ(evt2irq(0x4a0)),
};
static struct platform_device tmu1_device = {
- .name = "sh_tmu",
+ .name = "sh-tmu",
.id = 1,
.dev = {
.platform_data = &tmu1_platform_data,
@@ -131,136 +141,12 @@ static struct platform_device tmu1_device = {
.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 = 0xffc10020,
- .end = 0xffc1002f,
- .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 sh_timer_config tmu3_platform_data = {
- .name = "TMU3",
- .channel_offset = 0x04,
- .timer_bit = 0,
- .clk = "peripheral_clk",
-};
-
-static struct resource tmu3_resources[] = {
- [0] = {
- .name = "TMU3",
- .start = 0xffc20008,
- .end = 0xffc20013,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 19,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device tmu3_device = {
- .name = "sh_tmu",
- .id = 3,
- .dev = {
- .platform_data = &tmu3_platform_data,
- },
- .resource = tmu3_resources,
- .num_resources = ARRAY_SIZE(tmu3_resources),
-};
-
-static struct sh_timer_config tmu4_platform_data = {
- .name = "TMU4",
- .channel_offset = 0x10,
- .timer_bit = 1,
- .clk = "peripheral_clk",
-};
-
-static struct resource tmu4_resources[] = {
- [0] = {
- .name = "TMU4",
- .start = 0xffc20014,
- .end = 0xffc2001f,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 20,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device tmu4_device = {
- .name = "sh_tmu",
- .id = 4,
- .dev = {
- .platform_data = &tmu4_platform_data,
- },
- .resource = tmu4_resources,
- .num_resources = ARRAY_SIZE(tmu4_resources),
-};
-
-static struct sh_timer_config tmu5_platform_data = {
- .name = "TMU5",
- .channel_offset = 0x1c,
- .timer_bit = 2,
- .clk = "peripheral_clk",
-};
-
-static struct resource tmu5_resources[] = {
- [0] = {
- .name = "TMU5",
- .start = 0xffc20020,
- .end = 0xffc2002b,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 21,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device tmu5_device = {
- .name = "sh_tmu",
- .id = 5,
- .dev = {
- .platform_data = &tmu5_platform_data,
- },
- .resource = tmu5_resources,
- .num_resources = ARRAY_SIZE(tmu5_resources),
-};
-
static struct platform_device *shx3_early_devices[] __initdata = {
&scif0_device,
&scif1_device,
&scif2_device,
&tmu0_device,
&tmu1_device,
- &tmu2_device,
- &tmu3_device,
- &tmu4_device,
- &tmu5_device,
};
static int __init shx3_devices_setup(void)
@@ -372,6 +258,10 @@ static struct intc_group groups[] __initdata = {
DMAC1_DMINT9, DMAC1_DMINT10, DMAC1_DMINT11),
};
+#define INT2DISTCR0 0xfe4108a0
+#define INT2DISTCR1 0xfe4108a4
+#define INT2DISTCR2 0xfe4108a8
+
static struct intc_mask_reg mask_registers[] __initdata = {
{ 0xfe410030, 0xfe410050, 32, /* CnINTMSK0 / CnINTMSKCLR0 */
{ IRQ0, IRQ1, IRQ2, IRQ3 } },
@@ -381,20 +271,23 @@ static struct intc_mask_reg mask_registers[] __initdata = {
{ FE1, FE0, 0, ATAPI, VCORE0, VIN1, VIN0, IIC,
DU, GPIO3, GPIO2, GPIO1, GPIO0, PAM, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, /* HUDI bits ignored */
- 0, TMU5, TMU4, TMU3, TMU2, TMU1, TMU0, 0, } },
+ 0, TMU5, TMU4, TMU3, TMU2, TMU1, TMU0, 0, },
+ INTC_SMP_BALANCING(INT2DISTCR0) },
{ 0xfe410830, 0xfe410860, 32, /* CnINT2MSK1 / CnINT2MSKCLR1 */
{ 0, 0, 0, 0, DTU3, DTU2, DTU1, DTU0, /* IRM bits ignored */
PCII9, PCII8, PCII7, PCII6, PCII5, PCII4, PCII3, PCII2,
PCII1, PCII0, DMAC1_DMAE, DMAC1_DMINT11,
DMAC1_DMINT10, DMAC1_DMINT9, DMAC1_DMINT8, DMAC1_DMINT7,
DMAC1_DMINT6, DMAC0_DMAE, DMAC0_DMINT5, DMAC0_DMINT4,
- DMAC0_DMINT3, DMAC0_DMINT2, DMAC0_DMINT1, DMAC0_DMINT0 } },
+ DMAC0_DMINT3, DMAC0_DMINT2, DMAC0_DMINT1, DMAC0_DMINT0 },
+ INTC_SMP_BALANCING(INT2DISTCR1) },
{ 0xfe410840, 0xfe410870, 32, /* CnINT2MSK2 / CnINT2MSKCLR2 */
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
SCIF3_TXI, SCIF3_BRI, SCIF3_RXI, SCIF3_ERI,
SCIF2_TXI, SCIF2_BRI, SCIF2_RXI, SCIF2_ERI,
SCIF1_TXI, SCIF1_BRI, SCIF1_RXI, SCIF1_ERI,
- SCIF0_TXI, SCIF0_BRI, SCIF0_RXI, SCIF0_ERI } },
+ SCIF0_TXI, SCIF0_BRI, SCIF0_RXI, SCIF0_ERI },
+ INTC_SMP_BALANCING(INT2DISTCR2) },
};
static struct intc_prio_reg prio_registers[] __initdata = {
@@ -451,11 +344,33 @@ static DECLARE_INTC_DESC(intc_desc_irl, "shx3-irl", vectors_irl, groups,
void __init plat_irq_setup_pins(int mode)
{
+ int ret = 0;
+
switch (mode) {
case IRQ_MODE_IRQ:
+ ret |= gpio_request(GPIO_FN_IRQ3, intc_desc_irq.name);
+ ret |= gpio_request(GPIO_FN_IRQ2, intc_desc_irq.name);
+ ret |= gpio_request(GPIO_FN_IRQ1, intc_desc_irq.name);
+ ret |= gpio_request(GPIO_FN_IRQ0, intc_desc_irq.name);
+
+ if (unlikely(ret)) {
+ pr_err("Failed to set IRQ mode\n");
+ return;
+ }
+
register_intc_controller(&intc_desc_irq);
break;
case IRQ_MODE_IRL3210:
+ ret |= gpio_request(GPIO_FN_IRL3, intc_desc_irl.name);
+ ret |= gpio_request(GPIO_FN_IRL2, intc_desc_irl.name);
+ ret |= gpio_request(GPIO_FN_IRL1, intc_desc_irl.name);
+ ret |= gpio_request(GPIO_FN_IRL0, intc_desc_irl.name);
+
+ if (unlikely(ret)) {
+ pr_err("Failed to set IRL mode\n");
+ return;
+ }
+
register_intc_controller(&intc_desc_irl);
break;
default:
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 09:00:15 +0000