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Diffstat (limited to 'arch/sh/kernel/cpu/sh4a/setup-sh7786.c')
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7786.c157
1 files changed, 114 insertions, 43 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
index 7e585320710a..81657091da46 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
@@ -1,7 +1,7 @@
/*
* SH7786 Setup
*
- * Copyright (C) 2009 Renesas Solutions Corp.
+ * Copyright (C) 2009 - 2010 Renesas Solutions Corp.
* Kuninori Morimoto <morimoto.kuninori@renesas.com>
* Paul Mundt <paul.mundt@renesas.com>
*
@@ -21,7 +21,10 @@
#include <linux/mm.h>
#include <linux/dma-mapping.h>
#include <linux/sh_timer.h>
+#include <linux/sh_intc.h>
+#include <cpu/dma-register.h>
#include <asm/mmzone.h>
+#include <asm/dmaengine.h>
static struct plat_sci_port scif0_platform_data = {
.mapbase = 0xffea0000,
@@ -117,16 +120,13 @@ static struct platform_device scif5_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,
@@ -148,16 +148,13 @@ 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,
};
static struct resource tmu1_resources[] = {
[0] = {
- .name = "TMU1",
.start = 0xffd80014,
.end = 0xffd8001f,
.flags = IORESOURCE_MEM,
@@ -179,15 +176,12 @@ static struct platform_device tmu1_device = {
};
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,
@@ -209,15 +203,12 @@ static struct platform_device tmu2_device = {
};
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 = 0xffda0008,
.end = 0xffda0013,
.flags = IORESOURCE_MEM,
@@ -239,15 +230,12 @@ static struct platform_device tmu3_device = {
};
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 = 0xffda0014,
.end = 0xffda001f,
.flags = IORESOURCE_MEM,
@@ -269,15 +257,12 @@ static struct platform_device tmu4_device = {
};
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 = 0xffda0020,
.end = 0xffda002b,
.flags = IORESOURCE_MEM,
@@ -299,15 +284,12 @@ static struct platform_device tmu5_device = {
};
static struct sh_timer_config tmu6_platform_data = {
- .name = "TMU6",
.channel_offset = 0x04,
.timer_bit = 0,
- .clk = "peripheral_clk",
};
static struct resource tmu6_resources[] = {
[0] = {
- .name = "TMU6",
.start = 0xffdc0008,
.end = 0xffdc0013,
.flags = IORESOURCE_MEM,
@@ -329,15 +311,12 @@ static struct platform_device tmu6_device = {
};
static struct sh_timer_config tmu7_platform_data = {
- .name = "TMU7",
.channel_offset = 0x10,
.timer_bit = 1,
- .clk = "peripheral_clk",
};
static struct resource tmu7_resources[] = {
[0] = {
- .name = "TMU7",
.start = 0xffdc0014,
.end = 0xffdc001f,
.flags = IORESOURCE_MEM,
@@ -359,15 +338,12 @@ static struct platform_device tmu7_device = {
};
static struct sh_timer_config tmu8_platform_data = {
- .name = "TMU8",
.channel_offset = 0x1c,
.timer_bit = 2,
- .clk = "peripheral_clk",
};
static struct resource tmu8_resources[] = {
[0] = {
- .name = "TMU8",
.start = 0xffdc0020,
.end = 0xffdc002b,
.flags = IORESOURCE_MEM,
@@ -389,15 +365,12 @@ static struct platform_device tmu8_device = {
};
static struct sh_timer_config tmu9_platform_data = {
- .name = "TMU9",
.channel_offset = 0x04,
.timer_bit = 0,
- .clk = "peripheral_clk",
};
static struct resource tmu9_resources[] = {
[0] = {
- .name = "TMU9",
.start = 0xffde0008,
.end = 0xffde0013,
.flags = IORESOURCE_MEM,
@@ -419,15 +392,12 @@ static struct platform_device tmu9_device = {
};
static struct sh_timer_config tmu10_platform_data = {
- .name = "TMU10",
.channel_offset = 0x10,
.timer_bit = 1,
- .clk = "peripheral_clk",
};
static struct resource tmu10_resources[] = {
[0] = {
- .name = "TMU10",
.start = 0xffde0014,
.end = 0xffde001f,
.flags = IORESOURCE_MEM,
@@ -449,15 +419,12 @@ static struct platform_device tmu10_device = {
};
static struct sh_timer_config tmu11_platform_data = {
- .name = "TMU11",
.channel_offset = 0x1c,
.timer_bit = 2,
- .clk = "peripheral_clk",
};
static struct resource tmu11_resources[] = {
[0] = {
- .name = "TMU11",
.start = 0xffde0020,
.end = 0xffde002b,
.flags = IORESOURCE_MEM,
@@ -478,6 +445,83 @@ static struct platform_device tmu11_device = {
.num_resources = ARRAY_SIZE(tmu11_resources),
};
+static const struct sh_dmae_channel dmac0_channels[] = {
+ {
+ .offset = 0,
+ .dmars = 0,
+ .dmars_bit = 0,
+ }, {
+ .offset = 0x10,
+ .dmars = 0,
+ .dmars_bit = 8,
+ }, {
+ .offset = 0x20,
+ .dmars = 4,
+ .dmars_bit = 0,
+ }, {
+ .offset = 0x30,
+ .dmars = 4,
+ .dmars_bit = 8,
+ }, {
+ .offset = 0x50,
+ .dmars = 8,
+ .dmars_bit = 0,
+ }, {
+ .offset = 0x60,
+ .dmars = 8,
+ .dmars_bit = 8,
+ }
+};
+
+static const unsigned int ts_shift[] = TS_SHIFT;
+
+static struct sh_dmae_pdata dma0_platform_data = {
+ .channel = dmac0_channels,
+ .channel_num = ARRAY_SIZE(dmac0_channels),
+ .ts_low_shift = CHCR_TS_LOW_SHIFT,
+ .ts_low_mask = CHCR_TS_LOW_MASK,
+ .ts_high_shift = CHCR_TS_HIGH_SHIFT,
+ .ts_high_mask = CHCR_TS_HIGH_MASK,
+ .ts_shift = ts_shift,
+ .ts_shift_num = ARRAY_SIZE(ts_shift),
+ .dmaor_init = DMAOR_INIT,
+};
+
+/* Resource order important! */
+static struct resource dmac0_resources[] = {
+ {
+ /* Channel registers and DMAOR */
+ .start = 0xfe008020,
+ .end = 0xfe00808f,
+ .flags = IORESOURCE_MEM,
+ }, {
+ /* DMARSx */
+ .start = 0xfe009000,
+ .end = 0xfe00900b,
+ .flags = IORESOURCE_MEM,
+ }, {
+ /* DMA error IRQ */
+ .start = evt2irq(0x5c0),
+ .end = evt2irq(0x5c0),
+ .flags = IORESOURCE_IRQ,
+ }, {
+ /* IRQ for channels 0-5 */
+ .start = evt2irq(0x500),
+ .end = evt2irq(0x5a0),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device dma0_device = {
+ .name = "sh-dma-engine",
+ .id = 0,
+ .resource = dmac0_resources,
+ .num_resources = ARRAY_SIZE(dmac0_resources),
+ .dev = {
+ .platform_data = &dma0_platform_data,
+ },
+};
+
static struct resource usb_ohci_resources[] = {
[0] = {
.start = 0xffe70400,
@@ -525,10 +569,10 @@ static struct platform_device *sh7786_early_devices[] __initdata = {
};
static struct platform_device *sh7786_devices[] __initdata = {
+ &dma0_device,
&usb_ohci_device,
};
-
/*
* Please call this function if your platform board
* use external clock for USB
@@ -536,6 +580,7 @@ static struct platform_device *sh7786_devices[] __initdata = {
#define USBCTL0 0xffe70858
#define CLOCK_MODE_MASK 0xffffff7f
#define EXT_CLOCK_MODE 0x00000080
+
void __init sh7786_usb_use_exclock(void)
{
u32 val = __raw_readl(USBCTL0) & CLOCK_MODE_MASK;
@@ -553,6 +598,7 @@ void __init sh7786_usb_use_exclock(void)
#define PLL_ENB 0x00000002
#define PHY_RST 0x00000004
#define ACT_PLL_STATUS 0xc0000000
+
static void __init sh7786_usb_setup(void)
{
int i = 1000000;
@@ -708,9 +754,19 @@ static struct intc_vect vectors[] __initdata = {
#define INTMSK2 0xfe410068
#define INTMSKCLR2 0xfe41006c
+#define INTDISTCR0 0xfe4100b0
+#define INTDISTCR1 0xfe4100b4
+#define INTACK 0xfe4100b8
+#define INTACKCLR 0xfe4100bc
+#define INT2DISTCR0 0xfe410900
+#define INT2DISTCR1 0xfe410904
+#define INT2DISTCR2 0xfe410908
+#define INT2DISTCR3 0xfe41090c
+
static struct intc_mask_reg mask_registers[] __initdata = {
{ CnINTMSK0, CnINTMSKCLR0, 32,
- { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
+ { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 },
+ INTC_SMP_BALANCING(INTDISTCR0) },
{ INTMSK2, INTMSKCLR2, 32,
{ IRL0_LLLL, IRL0_LLLH, IRL0_LLHL, IRL0_LLHH,
IRL0_LHLL, IRL0_LHLH, IRL0_LHHL, IRL0_LHHH,
@@ -722,7 +778,8 @@ static struct intc_mask_reg mask_registers[] __initdata = {
IRL4_HHLL, IRL4_HHLH, IRL4_HHHL, 0, } },
{ CnINT2MSKR0, CnINT2MSKCR0 , 32,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, WDT } },
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, WDT },
+ INTC_SMP_BALANCING(INT2DISTCR0) },
{ CnINT2MSKR1, CnINT2MSKCR1, 32,
{ TMU0_0, TMU0_1, TMU0_2, TMU0_3, TMU1_0, TMU1_1, TMU1_2, 0,
DMAC0_0, DMAC0_1, DMAC0_2, DMAC0_3, DMAC0_4, DMAC0_5, DMAC0_6,
@@ -731,14 +788,14 @@ static struct intc_mask_reg mask_registers[] __initdata = {
HPB_0, HPB_1, HPB_2,
SCIF0_0, SCIF0_1, SCIF0_2, SCIF0_3,
SCIF1,
- TMU2, TMU3, 0, } },
+ TMU2, TMU3, 0, }, INTC_SMP_BALANCING(INT2DISTCR1) },
{ CnINT2MSKR2, CnINT2MSKCR2, 32,
{ 0, 0, SCIF2, SCIF3, SCIF4, SCIF5,
Eth_0, Eth_1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
PCIeC0_0, PCIeC0_1, PCIeC0_2,
PCIeC1_0, PCIeC1_1, PCIeC1_2,
- USB, 0, 0 } },
+ USB, 0, 0 }, INTC_SMP_BALANCING(INT2DISTCR2) },
{ CnINT2MSKR3, CnINT2MSKCR3, 32,
{ 0, 0, 0, 0, 0, 0,
I2C0, I2C1,
@@ -747,7 +804,7 @@ static struct intc_mask_reg mask_registers[] __initdata = {
HAC0, HAC1,
FLCTL, 0,
HSPI, GPIO0, GPIO1, Thermal,
- 0, 0, 0, 0, 0, 0, 0, 0 } },
+ 0, 0, 0, 0, 0, 0, 0, 0 }, INTC_SMP_BALANCING(INT2DISTCR3) },
};
static struct intc_prio_reg prio_registers[] __initdata = {
@@ -863,6 +920,19 @@ static DECLARE_INTC_DESC(intc_desc_irl4567, "sh7786-irl4567", vectors_irl4567,
#define INTC_INTMSK2 INTMSK2
#define INTC_INTMSKCLR1 CnINTMSKCLR1
#define INTC_INTMSKCLR2 INTMSKCLR2
+#define INTC_USERIMASK 0xfe411000
+
+#ifdef CONFIG_INTC_BALANCING
+unsigned int irq_lookup(unsigned int irq)
+{
+ return __raw_readl(INTACK) & 1 ? irq : NO_IRQ_IGNORE;
+}
+
+void irq_finish(unsigned int irq)
+{
+ __raw_writel(irq2evt(irq), INTACKCLR);
+}
+#endif
void __init plat_irq_setup(void)
{
@@ -877,6 +947,7 @@ void __init plat_irq_setup(void)
__raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
register_intc_controller(&intc_desc);
+ register_intc_userimask(INTC_USERIMASK);
}
void __init plat_irq_setup_pins(int mode)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 00:34:06 +0100