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linuxdebug/arch/sh/kernel/cpu/sh4a/setup-sh7786.c

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null pointer error
2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: GPL-2.0
/*
* SH7786 Setup
*
* Copyright (C) 2009 - 2011 Renesas Solutions Corp.
* Kuninori Morimoto <morimoto.kuninori@renesas.com>
* Paul Mundt <paul.mundt@renesas.com>
*
* Based on SH7785 Setup
*
* Copyright (C) 2007 Paul Mundt
*/
#include <linux/platform_device.h>
#include <linux/init.h>
#include <linux/serial.h>
#include <linux/serial_sci.h>
#include <linux/io.h>
#include <linux/mm.h>
#include <linux/dma-mapping.h>
#include <linux/sh_timer.h>
#include <linux/sh_dma.h>
#include <linux/sh_intc.h>
#include <linux/usb/ohci_pdriver.h>
#include <cpu/dma-register.h>
#include <asm/mmzone.h>
#include <asm/platform_early.h>
static struct plat_sci_port scif0_platform_data = {
.scscr = SCSCR_REIE | SCSCR_CKE1,
.type = PORT_SCIF,
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct resource scif0_resources[] = {
DEFINE_RES_MEM(0xffea0000, 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,
},
};
/*
* The rest of these all have multiplexed IRQs
*/
static struct plat_sci_port scif1_platform_data = {
.scscr = SCSCR_REIE | SCSCR_CKE1,
.type = PORT_SCIF,
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct resource scif1_resources[] = {
DEFINE_RES_MEM(0xffeb0000, 0x100),
DEFINE_RES_IRQ(evt2irq(0x780)),
};
static struct resource scif1_demux_resources[] = {
DEFINE_RES_MEM(0xffeb0000, 0x100),
/* Placeholders, see sh7786_devices_setup() */
DEFINE_RES_IRQ(0),
DEFINE_RES_IRQ(0),
DEFINE_RES_IRQ(0),
DEFINE_RES_IRQ(0),
};
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 = {
.scscr = SCSCR_REIE | SCSCR_CKE1,
.type = PORT_SCIF,
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct resource scif2_resources[] = {
DEFINE_RES_MEM(0xffec0000, 0x100),
DEFINE_RES_IRQ(evt2irq(0x840)),
};
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 plat_sci_port scif3_platform_data = {
.scscr = SCSCR_REIE | SCSCR_CKE1,
.type = PORT_SCIF,
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct resource scif3_resources[] = {
DEFINE_RES_MEM(0xffed0000, 0x100),
DEFINE_RES_IRQ(evt2irq(0x860)),
};
static struct platform_device scif3_device = {
.name = "sh-sci",
.id = 3,
.resource = scif3_resources,
.num_resources = ARRAY_SIZE(scif3_resources),
.dev = {
.platform_data = &scif3_platform_data,
},
};
static struct plat_sci_port scif4_platform_data = {
.scscr = SCSCR_REIE | SCSCR_CKE1,
.type = PORT_SCIF,
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct resource scif4_resources[] = {
DEFINE_RES_MEM(0xffee0000, 0x100),
DEFINE_RES_IRQ(evt2irq(0x880)),
};
static struct platform_device scif4_device = {
.name = "sh-sci",
.id = 4,
.resource = scif4_resources,
.num_resources = ARRAY_SIZE(scif4_resources),
.dev = {
.platform_data = &scif4_platform_data,
},
};
static struct plat_sci_port scif5_platform_data = {
.scscr = SCSCR_REIE | SCSCR_CKE1,
.type = PORT_SCIF,
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct resource scif5_resources[] = {
DEFINE_RES_MEM(0xffef0000, 0x100),
DEFINE_RES_IRQ(evt2irq(0x8a0)),
};
static struct platform_device scif5_device = {
.name = "sh-sci",
.id = 5,
.resource = scif5_resources,
.num_resources = ARRAY_SIZE(scif5_resources),
.dev = {
.platform_data = &scif5_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 sh_timer_config tmu1_platform_data = {
.channels_mask = 7,
};
static struct resource tmu1_resources[] = {
DEFINE_RES_MEM(0xffda0000, 0x2c),
DEFINE_RES_IRQ(evt2irq(0x480)),
DEFINE_RES_IRQ(evt2irq(0x4a0)),
DEFINE_RES_IRQ(evt2irq(0x4c0)),
};
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 = {
.channels_mask = 7,
};
static struct resource tmu2_resources[] = {
DEFINE_RES_MEM(0xffdc0000, 0x2c),
DEFINE_RES_IRQ(evt2irq(0x7a0)),
DEFINE_RES_IRQ(evt2irq(0x7a0)),
DEFINE_RES_IRQ(evt2irq(0x7a0)),
};
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 = {
.channels_mask = 7,
};
static struct resource tmu3_resources[] = {
DEFINE_RES_MEM(0xffde0000, 0x2c),
DEFINE_RES_IRQ(evt2irq(0x7c0)),
DEFINE_RES_IRQ(evt2irq(0x7c0)),
DEFINE_RES_IRQ(evt2irq(0x7c0)),
};
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 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,
}, {
.name = "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,
},
};
#define USB_EHCI_START 0xffe70000
#define USB_OHCI_START 0xffe70400
static struct resource usb_ehci_resources[] = {
[0] = {
.start = USB_EHCI_START,
.end = USB_EHCI_START + 0x3ff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0xba0),
.end = evt2irq(0xba0),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device usb_ehci_device = {
.name = "sh_ehci",
.id = -1,
.dev = {
.dma_mask = &usb_ehci_device.dev.coherent_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.num_resources = ARRAY_SIZE(usb_ehci_resources),
.resource = usb_ehci_resources,
};
static struct resource usb_ohci_resources[] = {
[0] = {
.start = USB_OHCI_START,
.end = USB_OHCI_START + 0x3ff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0xba0),
.end = evt2irq(0xba0),
.flags = IORESOURCE_IRQ,
},
};
static struct usb_ohci_pdata usb_ohci_pdata;
static struct platform_device usb_ohci_device = {
.name = "ohci-platform",
.id = -1,
.dev = {
.dma_mask = &usb_ohci_device.dev.coherent_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &usb_ohci_pdata,
},
.num_resources = ARRAY_SIZE(usb_ohci_resources),
.resource = usb_ohci_resources,
};
static struct platform_device *sh7786_early_devices[] __initdata = {
&scif0_device,
&scif1_device,
&scif2_device,
&scif3_device,
&scif4_device,
&scif5_device,
&tmu0_device,
&tmu1_device,
&tmu2_device,
&tmu3_device,
};
static struct platform_device *sh7786_devices[] __initdata = {
&dma0_device,
&usb_ehci_device,
&usb_ohci_device,
};
/*
* Please call this function if your platform board
* use external clock for USB
* */
#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;
__raw_writel(val | EXT_CLOCK_MODE, USBCTL0);
}
#define USBINITREG1 0xffe70094
#define USBINITREG2 0xffe7009c
#define USBINITVAL1 0x00ff0040
#define USBINITVAL2 0x00000001
#define USBPCTL1 0xffe70804
#define USBST 0xffe70808
#define PHY_ENB 0x00000001
#define PLL_ENB 0x00000002
#define PHY_RST 0x00000004
#define ACT_PLL_STATUS 0xc0000000
static void __init sh7786_usb_setup(void)
{
int i = 1000000;
/*
* USB initial settings
*
* The following settings are necessary
* for using the USB modules.
*
* see "USB Initial Settings" for detail
*/
__raw_writel(USBINITVAL1, USBINITREG1);
__raw_writel(USBINITVAL2, USBINITREG2);
/*
* Set the PHY and PLL enable bit
*/
__raw_writel(PHY_ENB | PLL_ENB, USBPCTL1);
while (i--) {
if (ACT_PLL_STATUS == (__raw_readl(USBST) & ACT_PLL_STATUS)) {
/* Set the PHY RST bit */
__raw_writel(PHY_ENB | PLL_ENB | PHY_RST, USBPCTL1);
printk(KERN_INFO "sh7786 usb setup done\n");
break;
}
cpu_relax();
}
}
enum {
UNUSED = 0,
/* interrupt sources */
IRL0_LLLL, IRL0_LLLH, IRL0_LLHL, IRL0_LLHH,
IRL0_LHLL, IRL0_LHLH, IRL0_LHHL, IRL0_LHHH,
IRL0_HLLL, IRL0_HLLH, IRL0_HLHL, IRL0_HLHH,
IRL0_HHLL, IRL0_HHLH, IRL0_HHHL,
IRL4_LLLL, IRL4_LLLH, IRL4_LLHL, IRL4_LLHH,
IRL4_LHLL, IRL4_LHLH, IRL4_LHHL, IRL4_LHHH,
IRL4_HLLL, IRL4_HLLH, IRL4_HLHL, IRL4_HLHH,
IRL4_HHLL, IRL4_HHLH, IRL4_HHHL,
IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
WDT,
TMU0_0, TMU0_1, TMU0_2, TMU0_3,
TMU1_0, TMU1_1, TMU1_2,
DMAC0_0, DMAC0_1, DMAC0_2, DMAC0_3, DMAC0_4, DMAC0_5, DMAC0_6,
HUDI1, HUDI0,
DMAC1_0, DMAC1_1, DMAC1_2, DMAC1_3,
HPB_0, HPB_1, HPB_2,
SCIF0_0, SCIF0_1, SCIF0_2, SCIF0_3,
SCIF1,
TMU2, TMU3,
SCIF2, SCIF3, SCIF4, SCIF5,
Eth_0, Eth_1,
PCIeC0_0, PCIeC0_1, PCIeC0_2,
PCIeC1_0, PCIeC1_1, PCIeC1_2,
USB,
I2C0, I2C1,
DU,
SSI0, SSI1, SSI2, SSI3,
PCIeC2_0, PCIeC2_1, PCIeC2_2,
HAC0, HAC1,
FLCTL,
HSPI,
GPIO0, GPIO1,
Thermal,
INTICI0, INTICI1, INTICI2, INTICI3,
INTICI4, INTICI5, INTICI6, INTICI7,
/* Muxed sub-events */
TXI1, BRI1, RXI1, ERI1,
};
static struct intc_vect sh7786_vectors[] __initdata = {
INTC_VECT(WDT, 0x3e0),
INTC_VECT(TMU0_0, 0x400), INTC_VECT(TMU0_1, 0x420),
INTC_VECT(TMU0_2, 0x440), INTC_VECT(TMU0_3, 0x460),
INTC_VECT(TMU1_0, 0x480), INTC_VECT(TMU1_1, 0x4a0),
INTC_VECT(TMU1_2, 0x4c0),
INTC_VECT(DMAC0_0, 0x500), INTC_VECT(DMAC0_1, 0x520),
INTC_VECT(DMAC0_2, 0x540), INTC_VECT(DMAC0_3, 0x560),
INTC_VECT(DMAC0_4, 0x580), INTC_VECT(DMAC0_5, 0x5a0),
INTC_VECT(DMAC0_6, 0x5c0),
INTC_VECT(HUDI1, 0x5e0), INTC_VECT(HUDI0, 0x600),
INTC_VECT(DMAC1_0, 0x620), INTC_VECT(DMAC1_1, 0x640),
INTC_VECT(DMAC1_2, 0x660), INTC_VECT(DMAC1_3, 0x680),
INTC_VECT(HPB_0, 0x6a0), INTC_VECT(HPB_1, 0x6c0),
INTC_VECT(HPB_2, 0x6e0),
INTC_VECT(SCIF0_0, 0x700), INTC_VECT(SCIF0_1, 0x720),
INTC_VECT(SCIF0_2, 0x740), INTC_VECT(SCIF0_3, 0x760),
INTC_VECT(SCIF1, 0x780),
INTC_VECT(TMU2, 0x7a0), INTC_VECT(TMU3, 0x7c0),
INTC_VECT(SCIF2, 0x840), INTC_VECT(SCIF3, 0x860),
INTC_VECT(SCIF4, 0x880), INTC_VECT(SCIF5, 0x8a0),
INTC_VECT(Eth_0, 0x8c0), INTC_VECT(Eth_1, 0x8e0),
INTC_VECT(PCIeC0_0, 0xae0), INTC_VECT(PCIeC0_1, 0xb00),
INTC_VECT(PCIeC0_2, 0xb20),
INTC_VECT(PCIeC1_0, 0xb40), INTC_VECT(PCIeC1_1, 0xb60),
INTC_VECT(PCIeC1_2, 0xb80),
INTC_VECT(USB, 0xba0),
INTC_VECT(I2C0, 0xcc0), INTC_VECT(I2C1, 0xce0),
INTC_VECT(DU, 0xd00),
INTC_VECT(SSI0, 0xd20), INTC_VECT(SSI1, 0xd40),
INTC_VECT(SSI2, 0xd60), INTC_VECT(SSI3, 0xd80),
INTC_VECT(PCIeC2_0, 0xda0), INTC_VECT(PCIeC2_1, 0xdc0),
INTC_VECT(PCIeC2_2, 0xde0),
INTC_VECT(HAC0, 0xe00), INTC_VECT(HAC1, 0xe20),
INTC_VECT(FLCTL, 0xe40),
INTC_VECT(HSPI, 0xe80),
INTC_VECT(GPIO0, 0xea0), INTC_VECT(GPIO1, 0xec0),
INTC_VECT(Thermal, 0xee0),
INTC_VECT(INTICI0, 0xf00), INTC_VECT(INTICI1, 0xf20),
INTC_VECT(INTICI2, 0xf40), INTC_VECT(INTICI3, 0xf60),
INTC_VECT(INTICI4, 0xf80), INTC_VECT(INTICI5, 0xfa0),
INTC_VECT(INTICI6, 0xfc0), INTC_VECT(INTICI7, 0xfe0),
};
#define CnINTMSK0 0xfe410030
#define CnINTMSK1 0xfe410040
#define CnINTMSKCLR0 0xfe410050
#define CnINTMSKCLR1 0xfe410060
#define CnINT2MSKR0 0xfe410a20
#define CnINT2MSKR1 0xfe410a24
#define CnINT2MSKR2 0xfe410a28
#define CnINT2MSKR3 0xfe410a2c
#define CnINT2MSKCR0 0xfe410a30
#define CnINT2MSKCR1 0xfe410a34
#define CnINT2MSKCR2 0xfe410a38
#define CnINT2MSKCR3 0xfe410a3c
#define INTMSK2 0xfe410068
#define INTMSKCLR2 0xfe41006c
#define INTDISTCR0 0xfe4100b0
#define INTDISTCR1 0xfe4100b4
#define INT2DISTCR0 0xfe410900
#define INT2DISTCR1 0xfe410904
#define INT2DISTCR2 0xfe410908
#define INT2DISTCR3 0xfe41090c
static struct intc_mask_reg sh7786_mask_registers[] __initdata = {
{ CnINTMSK0, CnINTMSKCLR0, 32,
{ 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,
IRL0_HLLL, IRL0_HLLH, IRL0_HLHL, IRL0_HLHH,
IRL0_HHLL, IRL0_HHLH, IRL0_HHHL, 0,
IRL4_LLLL, IRL4_LLLH, IRL4_LLHL, IRL4_LLHH,
IRL4_LHLL, IRL4_LHLH, IRL4_LHHL, IRL4_LHHH,
IRL4_HLLL, IRL4_HLLH, IRL4_HLHL, IRL4_HLHH,
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 },
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,
HUDI1, HUDI0,
DMAC1_0, DMAC1_1, DMAC1_2, DMAC1_3,
HPB_0, HPB_1, HPB_2,
SCIF0_0, SCIF0_1, SCIF0_2, SCIF0_3,
SCIF1,
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 }, INTC_SMP_BALANCING(INT2DISTCR2) },
{ CnINT2MSKR3, CnINT2MSKCR3, 32,
{ 0, 0, 0, 0, 0, 0,
I2C0, I2C1,
DU, SSI0, SSI1, SSI2, SSI3,
PCIeC2_0, PCIeC2_1, PCIeC2_2,
HAC0, HAC1,
FLCTL, 0,
HSPI, GPIO0, GPIO1, Thermal,
0, 0, 0, 0, 0, 0, 0, 0 }, INTC_SMP_BALANCING(INT2DISTCR3) },
};
static struct intc_prio_reg sh7786_prio_registers[] __initdata = {
{ 0xfe410010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3,
IRQ4, IRQ5, IRQ6, IRQ7 } },
{ 0xfe410800, 0, 32, 8, /* INT2PRI0 */ { 0, 0, 0, WDT } },
{ 0xfe410804, 0, 32, 8, /* INT2PRI1 */ { TMU0_0, TMU0_1,
TMU0_2, TMU0_3 } },
{ 0xfe410808, 0, 32, 8, /* INT2PRI2 */ { TMU1_0, TMU1_1,
TMU1_2, 0 } },
{ 0xfe41080c, 0, 32, 8, /* INT2PRI3 */ { DMAC0_0, DMAC0_1,
DMAC0_2, DMAC0_3 } },
{ 0xfe410810, 0, 32, 8, /* INT2PRI4 */ { DMAC0_4, DMAC0_5,
DMAC0_6, HUDI1 } },
{ 0xfe410814, 0, 32, 8, /* INT2PRI5 */ { HUDI0, DMAC1_0,
DMAC1_1, DMAC1_2 } },
{ 0xfe410818, 0, 32, 8, /* INT2PRI6 */ { DMAC1_3, HPB_0,
HPB_1, HPB_2 } },
{ 0xfe41081c, 0, 32, 8, /* INT2PRI7 */ { SCIF0_0, SCIF0_1,
SCIF0_2, SCIF0_3 } },
{ 0xfe410820, 0, 32, 8, /* INT2PRI8 */ { SCIF1, TMU2, TMU3, 0 } },
{ 0xfe410824, 0, 32, 8, /* INT2PRI9 */ { 0, 0, SCIF2, SCIF3 } },
{ 0xfe410828, 0, 32, 8, /* INT2PRI10 */ { SCIF4, SCIF5,
Eth_0, Eth_1 } },
{ 0xfe41082c, 0, 32, 8, /* INT2PRI11 */ { 0, 0, 0, 0 } },
{ 0xfe410830, 0, 32, 8, /* INT2PRI12 */ { 0, 0, 0, 0 } },
{ 0xfe410834, 0, 32, 8, /* INT2PRI13 */ { 0, 0, 0, 0 } },
{ 0xfe410838, 0, 32, 8, /* INT2PRI14 */ { 0, 0, 0, PCIeC0_0 } },
{ 0xfe41083c, 0, 32, 8, /* INT2PRI15 */ { PCIeC0_1, PCIeC0_2,
PCIeC1_0, PCIeC1_1 } },
{ 0xfe410840, 0, 32, 8, /* INT2PRI16 */ { PCIeC1_2, USB, 0, 0 } },
{ 0xfe410844, 0, 32, 8, /* INT2PRI17 */ { 0, 0, 0, 0 } },
{ 0xfe410848, 0, 32, 8, /* INT2PRI18 */ { 0, 0, I2C0, I2C1 } },
{ 0xfe41084c, 0, 32, 8, /* INT2PRI19 */ { DU, SSI0, SSI1, SSI2 } },
{ 0xfe410850, 0, 32, 8, /* INT2PRI20 */ { SSI3, PCIeC2_0,
PCIeC2_1, PCIeC2_2 } },
{ 0xfe410854, 0, 32, 8, /* INT2PRI21 */ { HAC0, HAC1, FLCTL, 0 } },
{ 0xfe410858, 0, 32, 8, /* INT2PRI22 */ { HSPI, GPIO0,
GPIO1, Thermal } },
{ 0xfe41085c, 0, 32, 8, /* INT2PRI23 */ { 0, 0, 0, 0 } },
{ 0xfe410860, 0, 32, 8, /* INT2PRI24 */ { 0, 0, 0, 0 } },
{ 0xfe410090, 0xfe4100a0, 32, 4, /* CnICIPRI / CnICIPRICLR */
{ INTICI7, INTICI6, INTICI5, INTICI4,
INTICI3, INTICI2, INTICI1, INTICI0 }, INTC_SMP(4, 2) },
};
static struct intc_subgroup sh7786_subgroups[] __initdata = {
{ 0xfe410c20, 32, SCIF1,
{ 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, TXI1, BRI1, RXI1, ERI1 } },
};
static struct intc_desc sh7786_intc_desc __initdata = {
.name = "sh7786",
.hw = {
.vectors = sh7786_vectors,
.nr_vectors = ARRAY_SIZE(sh7786_vectors),
.mask_regs = sh7786_mask_registers,
.nr_mask_regs = ARRAY_SIZE(sh7786_mask_registers),
.subgroups = sh7786_subgroups,
.nr_subgroups = ARRAY_SIZE(sh7786_subgroups),
.prio_regs = sh7786_prio_registers,
.nr_prio_regs = ARRAY_SIZE(sh7786_prio_registers),
},
};
/* Support for external interrupt pins in IRQ mode */
static struct intc_vect vectors_irq0123[] __initdata = {
INTC_VECT(IRQ0, 0x200), INTC_VECT(IRQ1, 0x240),
INTC_VECT(IRQ2, 0x280), INTC_VECT(IRQ3, 0x2c0),
};
static struct intc_vect vectors_irq4567[] __initdata = {
INTC_VECT(IRQ4, 0x300), INTC_VECT(IRQ5, 0x340),
INTC_VECT(IRQ6, 0x380), INTC_VECT(IRQ7, 0x3c0),
};
static struct intc_sense_reg sh7786_sense_registers[] __initdata = {
{ 0xfe41001c, 32, 2, /* ICR1 */ { IRQ0, IRQ1, IRQ2, IRQ3,
IRQ4, IRQ5, IRQ6, IRQ7 } },
};
static struct intc_mask_reg sh7786_ack_registers[] __initdata = {
{ 0xfe410024, 0, 32, /* INTREQ */
{ IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
};
static DECLARE_INTC_DESC_ACK(intc_desc_irq0123, "sh7786-irq0123",
vectors_irq0123, NULL, sh7786_mask_registers,
sh7786_prio_registers, sh7786_sense_registers,
sh7786_ack_registers);
static DECLARE_INTC_DESC_ACK(intc_desc_irq4567, "sh7786-irq4567",
vectors_irq4567, NULL, sh7786_mask_registers,
sh7786_prio_registers, sh7786_sense_registers,
sh7786_ack_registers);
/* External interrupt pins in IRL mode */
static struct intc_vect vectors_irl0123[] __initdata = {
INTC_VECT(IRL0_LLLL, 0x200), INTC_VECT(IRL0_LLLH, 0x220),
INTC_VECT(IRL0_LLHL, 0x240), INTC_VECT(IRL0_LLHH, 0x260),
INTC_VECT(IRL0_LHLL, 0x280), INTC_VECT(IRL0_LHLH, 0x2a0),
INTC_VECT(IRL0_LHHL, 0x2c0), INTC_VECT(IRL0_LHHH, 0x2e0),
INTC_VECT(IRL0_HLLL, 0x300), INTC_VECT(IRL0_HLLH, 0x320),
INTC_VECT(IRL0_HLHL, 0x340), INTC_VECT(IRL0_HLHH, 0x360),
INTC_VECT(IRL0_HHLL, 0x380), INTC_VECT(IRL0_HHLH, 0x3a0),
INTC_VECT(IRL0_HHHL, 0x3c0),
};
static struct intc_vect vectors_irl4567[] __initdata = {
INTC_VECT(IRL4_LLLL, 0x900), INTC_VECT(IRL4_LLLH, 0x920),
INTC_VECT(IRL4_LLHL, 0x940), INTC_VECT(IRL4_LLHH, 0x960),
INTC_VECT(IRL4_LHLL, 0x980), INTC_VECT(IRL4_LHLH, 0x9a0),
INTC_VECT(IRL4_LHHL, 0x9c0), INTC_VECT(IRL4_LHHH, 0x9e0),
INTC_VECT(IRL4_HLLL, 0xa00), INTC_VECT(IRL4_HLLH, 0xa20),
INTC_VECT(IRL4_HLHL, 0xa40), INTC_VECT(IRL4_HLHH, 0xa60),
INTC_VECT(IRL4_HHLL, 0xa80), INTC_VECT(IRL4_HHLH, 0xaa0),
INTC_VECT(IRL4_HHHL, 0xac0),
};
static DECLARE_INTC_DESC(intc_desc_irl0123, "sh7786-irl0123", vectors_irl0123,
NULL, sh7786_mask_registers, NULL, NULL);
static DECLARE_INTC_DESC(intc_desc_irl4567, "sh7786-irl4567", vectors_irl4567,
NULL, sh7786_mask_registers, NULL, NULL);
#define INTC_ICR0 0xfe410000
#define INTC_INTMSK0 CnINTMSK0
#define INTC_INTMSK1 CnINTMSK1
#define INTC_INTMSK2 INTMSK2
#define INTC_INTMSKCLR1 CnINTMSKCLR1
#define INTC_INTMSKCLR2 INTMSKCLR2
void __init plat_irq_setup(void)
{
/* disable IRQ3-0 + IRQ7-4 */
__raw_writel(0xff000000, INTC_INTMSK0);
/* disable IRL3-0 + IRL7-4 */
__raw_writel(0xc0000000, INTC_INTMSK1);
__raw_writel(0xfffefffe, INTC_INTMSK2);
/* select IRL mode for IRL3-0 + IRL7-4 */
__raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
register_intc_controller(&sh7786_intc_desc);
}
void __init plat_irq_setup_pins(int mode)
{
switch (mode) {
case IRQ_MODE_IRQ7654:
/* select IRQ mode for IRL7-4 */
__raw_writel(__raw_readl(INTC_ICR0) | 0x00400000, INTC_ICR0);
register_intc_controller(&intc_desc_irq4567);
break;
case IRQ_MODE_IRQ3210:
/* select IRQ mode for IRL3-0 */
__raw_writel(__raw_readl(INTC_ICR0) | 0x00800000, INTC_ICR0);
register_intc_controller(&intc_desc_irq0123);
break;
case IRQ_MODE_IRL7654:
/* enable IRL7-4 but don't provide any masking */
__raw_writel(0x40000000, INTC_INTMSKCLR1);
__raw_writel(0x0000fffe, INTC_INTMSKCLR2);
break;
case IRQ_MODE_IRL3210:
/* enable IRL0-3 but don't provide any masking */
__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 */
__raw_writel(0x40000000, INTC_INTMSKCLR1);
register_intc_controller(&intc_desc_irl4567);
break;
case IRQ_MODE_IRL3210_MASK:
/* enable IRL0-3 and mask using cpu intc controller */
__raw_writel(0x80000000, INTC_INTMSKCLR1);
register_intc_controller(&intc_desc_irl0123);
break;
default:
BUG();
}
}
void __init plat_mem_setup(void)
{
}
static int __init sh7786_devices_setup(void)
{
int ret, irq;
sh7786_usb_setup();
/*
* De-mux SCIF1 IRQs if possible
*/
irq = intc_irq_lookup(sh7786_intc_desc.name, TXI1);
if (irq > 0) {
scif1_demux_resources[1].start =
intc_irq_lookup(sh7786_intc_desc.name, ERI1);
scif1_demux_resources[2].start =
intc_irq_lookup(sh7786_intc_desc.name, RXI1);
scif1_demux_resources[3].start = irq;
scif1_demux_resources[4].start =
intc_irq_lookup(sh7786_intc_desc.name, BRI1);
scif1_device.resource = scif1_demux_resources;
scif1_device.num_resources = ARRAY_SIZE(scif1_demux_resources);
}
ret = platform_add_devices(sh7786_early_devices,
ARRAY_SIZE(sh7786_early_devices));
if (unlikely(ret != 0))
return ret;
return platform_add_devices(sh7786_devices,
ARRAY_SIZE(sh7786_devices));
}
arch_initcall(sh7786_devices_setup);
void __init plat_early_device_setup(void)
{
sh_early_platform_add_devices(sh7786_early_devices,
ARRAY_SIZE(sh7786_early_devices));
}