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Diffstat (limited to 'arch/sh/kernel/cpu/sh4a/setup-sh7780.c')
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7780.c345
1 files changed, 172 insertions, 173 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
index c310558490d..3ee7dd9b3a6 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
@@ -12,62 +12,68 @@
#include <linux/serial.h>
#include <linux/io.h>
#include <linux/serial_sci.h>
+#include <linux/sh_dma.h>
#include <linux/sh_timer.h>
-#include <asm/dma-sh.h>
+#include <linux/sh_intc.h>
+#include <cpu/dma-register.h>
static struct plat_sci_port scif0_platform_data = {
- .mapbase = 0xffe00000,
.flags = UPF_BOOT_AUTOCONF,
+ .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
.type = PORT_SCIF,
- .irqs = { 40, 40, 40, 40 },
+ .regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
+};
+
+static struct resource scif0_resources[] = {
+ DEFINE_RES_MEM(0xffe00000, 0x100),
+ DEFINE_RES_IRQ(evt2irq(0x700)),
};
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 = 0xffe10000,
.flags = UPF_BOOT_AUTOCONF,
+ .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
.type = PORT_SCIF,
- .irqs = { 76, 76, 76, 76 },
+ .regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
+};
+
+static struct resource scif1_resources[] = {
+ DEFINE_RES_MEM(0xffe10000, 0x100),
+ DEFINE_RES_IRQ(evt2irq(0xb80)),
};
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 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 = 0xffd80008,
- .end = 0xffd80013,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 28,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_MEM(0xffd80000, 0x30),
+ DEFINE_RES_IRQ(evt2irq(0x580)),
+ DEFINE_RES_IRQ(evt2irq(0x5a0)),
+ DEFINE_RES_IRQ(evt2irq(0x5c0)),
};
static struct platform_device tmu0_device = {
- .name = "sh_tmu",
+ .name = "sh-tmu",
.id = 0,
.dev = {
.platform_data = &tmu0_platform_data,
@@ -77,28 +83,18 @@ 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 = 0xffd80014,
- .end = 0xffd8001f,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 29,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_MEM(0xffdc0000, 0x2c),
+ DEFINE_RES_IRQ(evt2irq(0xe00)),
+ DEFINE_RES_IRQ(evt2irq(0xe20)),
+ DEFINE_RES_IRQ(evt2irq(0xe40)),
};
static struct platform_device tmu1_device = {
- .name = "sh_tmu",
+ .name = "sh-tmu",
.id = 1,
.dev = {
.platform_data = &tmu1_platform_data,
@@ -107,155 +103,159 @@ 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[] = {
+static struct resource rtc_resources[] = {
[0] = {
- .name = "TMU2",
- .start = 0xffd80020,
- .end = 0xffd8002f,
- .flags = IORESOURCE_MEM,
+ .start = 0xffe80000,
+ .end = 0xffe80000 + 0x58 - 1,
+ .flags = IORESOURCE_IO,
},
[1] = {
- .start = 30,
+ /* Shared Period/Carry/Alarm IRQ */
+ .start = evt2irq(0x480),
.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 rtc_device = {
+ .name = "sh-rtc",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(rtc_resources),
+ .resource = rtc_resources,
};
-static struct sh_timer_config tmu3_platform_data = {
- .name = "TMU3",
- .channel_offset = 0x04,
- .timer_bit = 0,
- .clk = "peripheral_clk",
+/* DMA */
+static const struct sh_dmae_channel sh7780_dmae0_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 struct resource tmu3_resources[] = {
- [0] = {
- .name = "TMU3",
- .start = 0xffdc0008,
- .end = 0xffdc0013,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 96,
- .flags = IORESOURCE_IRQ,
- },
+static const struct sh_dmae_channel sh7780_dmae1_channels[] = {
+ {
+ .offset = 0,
+ }, {
+ .offset = 0x10,
+ }, {
+ .offset = 0x20,
+ }, {
+ .offset = 0x30,
+ }, {
+ .offset = 0x50,
+ }, {
+ .offset = 0x60,
+ }
};
-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 const unsigned int ts_shift[] = TS_SHIFT;
+
+static struct sh_dmae_pdata dma0_platform_data = {
+ .channel = sh7780_dmae0_channels,
+ .channel_num = ARRAY_SIZE(sh7780_dmae0_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,
};
-static struct sh_timer_config tmu4_platform_data = {
- .name = "TMU4",
- .channel_offset = 0x10,
- .timer_bit = 1,
- .clk = "peripheral_clk",
+static struct sh_dmae_pdata dma1_platform_data = {
+ .channel = sh7780_dmae1_channels,
+ .channel_num = ARRAY_SIZE(sh7780_dmae1_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,
};
-static struct resource tmu4_resources[] = {
+static struct resource sh7780_dmae0_resources[] = {
[0] = {
- .name = "TMU4",
- .start = 0xffdc0014,
- .end = 0xffdc001f,
+ /* Channel registers and DMAOR */
+ .start = 0xfc808020,
+ .end = 0xfc80808f,
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = 97,
- .flags = IORESOURCE_IRQ,
+ /* DMARSx */
+ .start = 0xfc809000,
+ .end = 0xfc80900b,
+ .flags = IORESOURCE_MEM,
},
-};
-
-static struct platform_device tmu4_device = {
- .name = "sh_tmu",
- .id = 4,
- .dev = {
- .platform_data = &tmu4_platform_data,
+ {
+ /*
+ * Real DMA error vector is 0x6c0, and channel
+ * vectors are 0x640-0x6a0, 0x780-0x7a0
+ */
+ .name = "error_irq",
+ .start = evt2irq(0x640),
+ .end = evt2irq(0x640),
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
},
- .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[] = {
+static struct resource sh7780_dmae1_resources[] = {
[0] = {
- .name = "TMU5",
- .start = 0xffdc0020,
- .end = 0xffdc002b,
+ /* Channel registers and DMAOR */
+ .start = 0xfc818020,
+ .end = 0xfc81808f,
.flags = IORESOURCE_MEM,
},
- [1] = {
- .start = 98,
- .flags = IORESOURCE_IRQ,
+ /* DMAC1 has no DMARS */
+ {
+ /*
+ * Real DMA error vector is 0x6c0, and channel
+ * vectors are 0x7c0-0x7e0, 0xd80-0xde0
+ */
+ .name = "error_irq",
+ .start = evt2irq(0x7c0),
+ .end = evt2irq(0x7c0),
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
},
};
-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 resource rtc_resources[] = {
- [0] = {
- .start = 0xffe80000,
- .end = 0xffe80000 + 0x58 - 1,
- .flags = IORESOURCE_IO,
- },
- [1] = {
- /* Shared Period/Carry/Alarm IRQ */
- .start = 20,
- .flags = IORESOURCE_IRQ,
+static struct platform_device dma0_device = {
+ .name = "sh-dma-engine",
+ .id = 0,
+ .resource = sh7780_dmae0_resources,
+ .num_resources = ARRAY_SIZE(sh7780_dmae0_resources),
+ .dev = {
+ .platform_data = &dma0_platform_data,
},
};
-static struct platform_device rtc_device = {
- .name = "sh-rtc",
- .id = -1,
- .num_resources = ARRAY_SIZE(rtc_resources),
- .resource = rtc_resources,
-};
-
-static struct sh_dmae_pdata dma_platform_data = {
- .mode = (SHDMA_MIX_IRQ | SHDMA_DMAOR1),
-};
-
-static struct platform_device dma_device = {
- .name = "sh-dma-engine",
- .id = -1,
- .dev = {
- .platform_data = &dma_platform_data,
+static struct platform_device dma1_device = {
+ .name = "sh-dma-engine",
+ .id = 1,
+ .resource = sh7780_dmae1_resources,
+ .num_resources = ARRAY_SIZE(sh7780_dmae1_resources),
+ .dev = {
+ .platform_data = &dma1_platform_data,
},
};
@@ -264,12 +264,9 @@ static struct platform_device *sh7780_devices[] __initdata = {
&scif1_device,
&tmu0_device,
&tmu1_device,
- &tmu2_device,
- &tmu3_device,
- &tmu4_device,
- &tmu5_device,
&rtc_device,
- &dma_device,
+ &dma0_device,
+ &dma1_device,
};
static int __init sh7780_devices_setup(void)
@@ -278,19 +275,21 @@ static int __init sh7780_devices_setup(void)
ARRAY_SIZE(sh7780_devices));
}
arch_initcall(sh7780_devices_setup);
+
static struct platform_device *sh7780_early_devices[] __initdata = {
&scif0_device,
&scif1_device,
&tmu0_device,
&tmu1_device,
- &tmu2_device,
- &tmu3_device,
- &tmu4_device,
- &tmu5_device,
};
void __init plat_early_device_setup(void)
{
+ if (mach_is_sh2007()) {
+ scif0_platform_data.scscr &= ~SCSCR_CKE1;
+ scif1_platform_data.scscr &= ~SCSCR_CKE1;
+ }
+
early_platform_add_devices(sh7780_early_devices,
ARRAY_SIZE(sh7780_early_devices));
}
@@ -461,17 +460,17 @@ static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7780-irl3210", irl_vectors,
void __init plat_irq_setup(void)
{
/* disable IRQ7-0 */
- ctrl_outl(0xff000000, INTC_INTMSK0);
+ __raw_writel(0xff000000, INTC_INTMSK0);
/* disable IRL3-0 + IRL7-4 */
- ctrl_outl(0xc0000000, INTC_INTMSK1);
- ctrl_outl(0xfffefffe, INTC_INTMSK2);
+ __raw_writel(0xc0000000, INTC_INTMSK1);
+ __raw_writel(0xfffefffe, INTC_INTMSK2);
/* select IRL mode for IRL3-0 + IRL7-4 */
- ctrl_outl(ctrl_inl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
+ __raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
/* disable holding function, ie enable "SH-4 Mode" */
- ctrl_outl(ctrl_inl(INTC_ICR0) | 0x00200000, INTC_ICR0);
+ __raw_writel(__raw_readl(INTC_ICR0) | 0x00200000, INTC_ICR0);
register_intc_controller(&intc_desc);
}
@@ -481,27 +480,27 @@ void __init plat_irq_setup_pins(int mode)
switch (mode) {
case IRQ_MODE_IRQ:
/* select IRQ mode for IRL3-0 + IRL7-4 */
- ctrl_outl(ctrl_inl(INTC_ICR0) | 0x00c00000, INTC_ICR0);
+ __raw_writel(__raw_readl(INTC_ICR0) | 0x00c00000, INTC_ICR0);
register_intc_controller(&intc_irq_desc);
break;
case IRQ_MODE_IRL7654:
/* enable IRL7-4 but don't provide any masking */
- ctrl_outl(0x40000000, INTC_INTMSKCLR1);
- ctrl_outl(0x0000fffe, INTC_INTMSKCLR2);
+ __raw_writel(0x40000000, INTC_INTMSKCLR1);
+ __raw_writel(0x0000fffe, INTC_INTMSKCLR2);
break;
case IRQ_MODE_IRL3210:
/* enable IRL0-3 but don't provide any masking */
- ctrl_outl(0x80000000, INTC_INTMSKCLR1);
- ctrl_outl(0xfffe0000, INTC_INTMSKCLR2);
+ __raw_writel(0x80000000, INTC_INTMSKCLR1);
+ __raw_writel(0xfffe0000, INTC_INTMSKCLR2);
break;
case IRQ_MODE_IRL7654_MASK:
/* enable IRL7-4 and mask using cpu intc controller */
- ctrl_outl(0x40000000, INTC_INTMSKCLR1);
+ __raw_writel(0x40000000, INTC_INTMSKCLR1);
register_intc_controller(&intc_irl7654_desc);
break;
case IRQ_MODE_IRL3210_MASK:
/* enable IRL0-3 and mask using cpu intc controller */
- ctrl_outl(0x80000000, INTC_INTMSKCLR1);
+ __raw_writel(0x80000000, INTC_INTMSKCLR1);
register_intc_controller(&intc_irl3210_desc);
break;
default:
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-20 04:43:37 +0000