456 lines
13 KiB
C
456 lines
13 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* SH7763 Setup
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*
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* Copyright (C) 2006 Paul Mundt
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* Copyright (C) 2007 Yoshihiro Shimoda
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* Copyright (C) 2008, 2009 Nobuhiro Iwamatsu
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*/
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#include <linux/platform_device.h>
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#include <linux/init.h>
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#include <linux/serial.h>
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#include <linux/sh_timer.h>
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#include <linux/sh_intc.h>
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#include <linux/io.h>
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#include <linux/serial_sci.h>
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#include <linux/usb/ohci_pdriver.h>
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#include <asm/platform_early.h>
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static struct plat_sci_port scif0_platform_data = {
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.scscr = SCSCR_REIE,
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.type = PORT_SCIF,
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.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
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};
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static struct resource scif0_resources[] = {
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DEFINE_RES_MEM(0xffe00000, 0x100),
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DEFINE_RES_IRQ(evt2irq(0x700)),
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};
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static struct platform_device scif0_device = {
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.name = "sh-sci",
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.id = 0,
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.resource = scif0_resources,
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.num_resources = ARRAY_SIZE(scif0_resources),
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.dev = {
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.platform_data = &scif0_platform_data,
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},
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};
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static struct plat_sci_port scif1_platform_data = {
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.scscr = SCSCR_REIE,
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.type = PORT_SCIF,
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.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
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};
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static struct resource scif1_resources[] = {
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DEFINE_RES_MEM(0xffe08000, 0x100),
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DEFINE_RES_IRQ(evt2irq(0xb80)),
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};
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static struct platform_device scif1_device = {
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.name = "sh-sci",
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.id = 1,
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.resource = scif1_resources,
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.num_resources = ARRAY_SIZE(scif1_resources),
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.dev = {
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.platform_data = &scif1_platform_data,
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},
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};
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static struct plat_sci_port scif2_platform_data = {
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.scscr = SCSCR_REIE,
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.type = PORT_SCIF,
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.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
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};
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static struct resource scif2_resources[] = {
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DEFINE_RES_MEM(0xffe10000, 0x100),
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DEFINE_RES_IRQ(evt2irq(0xf00)),
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};
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static struct platform_device scif2_device = {
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.name = "sh-sci",
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.id = 2,
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.resource = scif2_resources,
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.num_resources = ARRAY_SIZE(scif2_resources),
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.dev = {
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.platform_data = &scif2_platform_data,
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},
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};
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static struct resource rtc_resources[] = {
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[0] = {
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.start = 0xffe80000,
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.end = 0xffe80000 + 0x58 - 1,
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.flags = IORESOURCE_IO,
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},
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[1] = {
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/* Shared Period/Carry/Alarm IRQ */
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.start = evt2irq(0x480),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device rtc_device = {
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.name = "sh-rtc",
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.id = -1,
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.num_resources = ARRAY_SIZE(rtc_resources),
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.resource = rtc_resources,
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};
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static struct resource usb_ohci_resources[] = {
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[0] = {
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.start = 0xffec8000,
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.end = 0xffec80ff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = evt2irq(0xc60),
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.end = evt2irq(0xc60),
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.flags = IORESOURCE_IRQ,
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},
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};
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static u64 usb_ohci_dma_mask = 0xffffffffUL;
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static struct usb_ohci_pdata usb_ohci_pdata;
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static struct platform_device usb_ohci_device = {
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.name = "ohci-platform",
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.id = -1,
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.dev = {
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.dma_mask = &usb_ohci_dma_mask,
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.coherent_dma_mask = 0xffffffff,
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.platform_data = &usb_ohci_pdata,
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},
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.num_resources = ARRAY_SIZE(usb_ohci_resources),
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.resource = usb_ohci_resources,
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};
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static struct resource usbf_resources[] = {
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[0] = {
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.start = 0xffec0000,
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.end = 0xffec00ff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = evt2irq(0xc80),
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.end = evt2irq(0xc80),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device usbf_device = {
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.name = "sh_udc",
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.id = -1,
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.dev = {
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.dma_mask = NULL,
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.coherent_dma_mask = 0xffffffff,
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},
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.num_resources = ARRAY_SIZE(usbf_resources),
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.resource = usbf_resources,
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};
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static struct sh_timer_config tmu0_platform_data = {
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.channels_mask = 7,
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};
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static struct resource tmu0_resources[] = {
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DEFINE_RES_MEM(0xffd80000, 0x30),
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DEFINE_RES_IRQ(evt2irq(0x580)),
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DEFINE_RES_IRQ(evt2irq(0x5a0)),
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DEFINE_RES_IRQ(evt2irq(0x5c0)),
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};
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static struct platform_device tmu0_device = {
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.name = "sh-tmu",
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.id = 0,
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.dev = {
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.platform_data = &tmu0_platform_data,
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},
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.resource = tmu0_resources,
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.num_resources = ARRAY_SIZE(tmu0_resources),
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};
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static struct sh_timer_config tmu1_platform_data = {
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.channels_mask = 7,
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};
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static struct resource tmu1_resources[] = {
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DEFINE_RES_MEM(0xffd88000, 0x2c),
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DEFINE_RES_IRQ(evt2irq(0xe00)),
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DEFINE_RES_IRQ(evt2irq(0xe20)),
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DEFINE_RES_IRQ(evt2irq(0xe40)),
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};
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static struct platform_device tmu1_device = {
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.name = "sh-tmu",
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.id = 1,
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.dev = {
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.platform_data = &tmu1_platform_data,
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},
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.resource = tmu1_resources,
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.num_resources = ARRAY_SIZE(tmu1_resources),
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};
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static struct platform_device *sh7763_devices[] __initdata = {
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&scif0_device,
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&scif1_device,
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&scif2_device,
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&tmu0_device,
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&tmu1_device,
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&rtc_device,
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&usb_ohci_device,
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&usbf_device,
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};
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static int __init sh7763_devices_setup(void)
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{
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return platform_add_devices(sh7763_devices,
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ARRAY_SIZE(sh7763_devices));
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}
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arch_initcall(sh7763_devices_setup);
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static struct platform_device *sh7763_early_devices[] __initdata = {
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&scif0_device,
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&scif1_device,
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&scif2_device,
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&tmu0_device,
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&tmu1_device,
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};
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void __init plat_early_device_setup(void)
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{
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sh_early_platform_add_devices(sh7763_early_devices,
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ARRAY_SIZE(sh7763_early_devices));
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}
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enum {
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UNUSED = 0,
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/* interrupt sources */
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IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
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IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
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IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
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IRL_HHLL, IRL_HHLH, IRL_HHHL,
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IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
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RTC, WDT, TMU0, TMU1, TMU2, TMU2_TICPI,
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HUDI, LCDC, DMAC, SCIF0, IIC0, IIC1, CMT, GETHER, HAC,
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PCISERR, PCIINTA, PCIINTB, PCIINTC, PCIINTD, PCIC5,
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STIF0, STIF1, SCIF1, SIOF0, SIOF1, SIOF2,
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USBH, USBF, TPU, PCC, MMCIF, SIM,
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TMU3, TMU4, TMU5, ADC, SSI0, SSI1, SSI2, SSI3,
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SCIF2, GPIO,
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/* interrupt groups */
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TMU012, TMU345,
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};
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static struct intc_vect vectors[] __initdata = {
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INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
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INTC_VECT(RTC, 0x4c0),
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INTC_VECT(WDT, 0x560), INTC_VECT(TMU0, 0x580),
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INTC_VECT(TMU1, 0x5a0), INTC_VECT(TMU2, 0x5c0),
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INTC_VECT(TMU2_TICPI, 0x5e0), INTC_VECT(HUDI, 0x600),
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INTC_VECT(LCDC, 0x620),
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INTC_VECT(DMAC, 0x640), INTC_VECT(DMAC, 0x660),
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INTC_VECT(DMAC, 0x680), INTC_VECT(DMAC, 0x6a0),
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INTC_VECT(DMAC, 0x6c0),
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INTC_VECT(SCIF0, 0x700), INTC_VECT(SCIF0, 0x720),
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INTC_VECT(SCIF0, 0x740), INTC_VECT(SCIF0, 0x760),
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INTC_VECT(DMAC, 0x780), INTC_VECT(DMAC, 0x7a0),
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INTC_VECT(IIC0, 0x8A0), INTC_VECT(IIC1, 0x8C0),
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INTC_VECT(CMT, 0x900), INTC_VECT(GETHER, 0x920),
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INTC_VECT(GETHER, 0x940), INTC_VECT(GETHER, 0x960),
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INTC_VECT(HAC, 0x980),
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INTC_VECT(PCISERR, 0xa00), INTC_VECT(PCIINTA, 0xa20),
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INTC_VECT(PCIINTB, 0xa40), INTC_VECT(PCIINTC, 0xa60),
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INTC_VECT(PCIINTD, 0xa80), INTC_VECT(PCIC5, 0xaa0),
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INTC_VECT(PCIC5, 0xac0), INTC_VECT(PCIC5, 0xae0),
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INTC_VECT(PCIC5, 0xb00), INTC_VECT(PCIC5, 0xb20),
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INTC_VECT(STIF0, 0xb40), INTC_VECT(STIF1, 0xb60),
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INTC_VECT(SCIF1, 0xb80), INTC_VECT(SCIF1, 0xba0),
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INTC_VECT(SCIF1, 0xbc0), INTC_VECT(SCIF1, 0xbe0),
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INTC_VECT(SIOF0, 0xc00), INTC_VECT(SIOF1, 0xc20),
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INTC_VECT(USBH, 0xc60), INTC_VECT(USBF, 0xc80),
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INTC_VECT(USBF, 0xca0),
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INTC_VECT(TPU, 0xcc0), INTC_VECT(PCC, 0xce0),
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INTC_VECT(MMCIF, 0xd00), INTC_VECT(MMCIF, 0xd20),
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INTC_VECT(MMCIF, 0xd40), INTC_VECT(MMCIF, 0xd60),
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INTC_VECT(SIM, 0xd80), INTC_VECT(SIM, 0xda0),
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INTC_VECT(SIM, 0xdc0), INTC_VECT(SIM, 0xde0),
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INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20),
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INTC_VECT(TMU5, 0xe40), INTC_VECT(ADC, 0xe60),
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INTC_VECT(SSI0, 0xe80), INTC_VECT(SSI1, 0xea0),
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INTC_VECT(SSI2, 0xec0), INTC_VECT(SSI3, 0xee0),
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INTC_VECT(SCIF2, 0xf00), INTC_VECT(SCIF2, 0xf20),
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INTC_VECT(SCIF2, 0xf40), INTC_VECT(SCIF2, 0xf60),
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INTC_VECT(GPIO, 0xf80), INTC_VECT(GPIO, 0xfa0),
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INTC_VECT(GPIO, 0xfc0), INTC_VECT(GPIO, 0xfe0),
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};
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static struct intc_group groups[] __initdata = {
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INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI),
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INTC_GROUP(TMU345, TMU3, TMU4, TMU5),
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};
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static struct intc_mask_reg mask_registers[] __initdata = {
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{ 0xffd40038, 0xffd4003c, 32, /* INT2MSKR / INT2MSKCR */
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{ 0, 0, 0, 0, 0, 0, GPIO, 0,
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SSI0, MMCIF, 0, SIOF0, PCIC5, PCIINTD, PCIINTC, PCIINTB,
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PCIINTA, PCISERR, HAC, CMT, 0, 0, 0, DMAC,
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HUDI, 0, WDT, SCIF1, SCIF0, RTC, TMU345, TMU012 } },
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{ 0xffd400d0, 0xffd400d4, 32, /* INT2MSKR1 / INT2MSKCR1 */
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{ 0, 0, 0, 0, 0, 0, SCIF2, USBF,
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0, 0, STIF1, STIF0, 0, 0, USBH, GETHER,
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PCC, 0, 0, ADC, TPU, SIM, SIOF2, SIOF1,
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LCDC, 0, IIC1, IIC0, SSI3, SSI2, SSI1, 0 } },
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};
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static struct intc_prio_reg prio_registers[] __initdata = {
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{ 0xffd40000, 0, 32, 8, /* INT2PRI0 */ { TMU0, TMU1,
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TMU2, TMU2_TICPI } },
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{ 0xffd40004, 0, 32, 8, /* INT2PRI1 */ { TMU3, TMU4, TMU5, RTC } },
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{ 0xffd40008, 0, 32, 8, /* INT2PRI2 */ { SCIF0, SCIF1, WDT } },
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{ 0xffd4000c, 0, 32, 8, /* INT2PRI3 */ { HUDI, DMAC, ADC } },
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{ 0xffd40010, 0, 32, 8, /* INT2PRI4 */ { CMT, HAC,
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PCISERR, PCIINTA } },
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{ 0xffd40014, 0, 32, 8, /* INT2PRI5 */ { PCIINTB, PCIINTC,
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PCIINTD, PCIC5 } },
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{ 0xffd40018, 0, 32, 8, /* INT2PRI6 */ { SIOF0, USBF, MMCIF, SSI0 } },
|
||
|
|
{ 0xffd4001c, 0, 32, 8, /* INT2PRI7 */ { SCIF2, GPIO } },
|
||
|
|
{ 0xffd400a0, 0, 32, 8, /* INT2PRI8 */ { SSI3, SSI2, SSI1, 0 } },
|
||
|
|
{ 0xffd400a4, 0, 32, 8, /* INT2PRI9 */ { LCDC, 0, IIC1, IIC0 } },
|
||
|
|
{ 0xffd400a8, 0, 32, 8, /* INT2PRI10 */ { TPU, SIM, SIOF2, SIOF1 } },
|
||
|
|
{ 0xffd400ac, 0, 32, 8, /* INT2PRI11 */ { PCC } },
|
||
|
|
{ 0xffd400b0, 0, 32, 8, /* INT2PRI12 */ { 0, 0, USBH, GETHER } },
|
||
|
|
{ 0xffd400b4, 0, 32, 8, /* INT2PRI13 */ { 0, 0, STIF1, STIF0 } },
|
||
|
|
};
|
||
|
|
|
||
|
|
static DECLARE_INTC_DESC(intc_desc, "sh7763", vectors, groups,
|
||
|
|
mask_registers, prio_registers, NULL);
|
||
|
|
|
||
|
|
/* Support for external interrupt pins in IRQ mode */
|
||
|
|
static struct intc_vect irq_vectors[] __initdata = {
|
||
|
|
INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
|
||
|
|
INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300),
|
||
|
|
INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380),
|
||
|
|
INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200),
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct intc_mask_reg irq_mask_registers[] __initdata = {
|
||
|
|
{ 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */
|
||
|
|
{ IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct intc_prio_reg irq_prio_registers[] __initdata = {
|
||
|
|
{ 0xffd00010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3,
|
||
|
|
IRQ4, IRQ5, IRQ6, IRQ7 } },
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct intc_sense_reg irq_sense_registers[] __initdata = {
|
||
|
|
{ 0xffd0001c, 32, 2, /* ICR1 */ { IRQ0, IRQ1, IRQ2, IRQ3,
|
||
|
|
IRQ4, IRQ5, IRQ6, IRQ7 } },
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct intc_mask_reg irq_ack_registers[] __initdata = {
|
||
|
|
{ 0xffd00024, 0, 32, /* INTREQ */
|
||
|
|
{ IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
|
||
|
|
};
|
||
|
|
|
||
|
|
static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7763-irq", irq_vectors,
|
||
|
|
NULL, irq_mask_registers, irq_prio_registers,
|
||
|
|
irq_sense_registers, irq_ack_registers);
|
||
|
|
|
||
|
|
|
||
|
|
/* External interrupt pins in IRL mode */
|
||
|
|
static struct intc_vect irl_vectors[] __initdata = {
|
||
|
|
INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220),
|
||
|
|
INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260),
|
||
|
|
INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0),
|
||
|
|
INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0),
|
||
|
|
INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320),
|
||
|
|
INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360),
|
||
|
|
INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0),
|
||
|
|
INTC_VECT(IRL_HHHL, 0x3c0),
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct intc_mask_reg irl3210_mask_registers[] __initdata = {
|
||
|
|
{ 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
|
||
|
|
{ IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
|
||
|
|
IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
|
||
|
|
IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
|
||
|
|
IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct intc_mask_reg irl7654_mask_registers[] __initdata = {
|
||
|
|
{ 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
|
||
|
|
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||
|
|
IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
|
||
|
|
IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
|
||
|
|
IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
|
||
|
|
IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
|
||
|
|
};
|
||
|
|
|
||
|
|
static DECLARE_INTC_DESC(intc_irl7654_desc, "sh7763-irl7654", irl_vectors,
|
||
|
|
NULL, irl7654_mask_registers, NULL, NULL);
|
||
|
|
|
||
|
|
static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7763-irl3210", irl_vectors,
|
||
|
|
NULL, irl3210_mask_registers, NULL, NULL);
|
||
|
|
|
||
|
|
#define INTC_ICR0 0xffd00000
|
||
|
|
#define INTC_INTMSK0 0xffd00044
|
||
|
|
#define INTC_INTMSK1 0xffd00048
|
||
|
|
#define INTC_INTMSK2 0xffd40080
|
||
|
|
#define INTC_INTMSKCLR1 0xffd00068
|
||
|
|
#define INTC_INTMSKCLR2 0xffd40084
|
||
|
|
|
||
|
|
void __init plat_irq_setup(void)
|
||
|
|
{
|
||
|
|
/* disable IRQ7-0 */
|
||
|
|
__raw_writel(0xff000000, INTC_INTMSK0);
|
||
|
|
|
||
|
|
/* disable IRL3-0 + IRL7-4 */
|
||
|
|
__raw_writel(0xc0000000, INTC_INTMSK1);
|
||
|
|
__raw_writel(0xfffefffe, INTC_INTMSK2);
|
||
|
|
|
||
|
|
register_intc_controller(&intc_desc);
|
||
|
|
}
|
||
|
|
|
||
|
|
void __init plat_irq_setup_pins(int mode)
|
||
|
|
{
|
||
|
|
switch (mode) {
|
||
|
|
case IRQ_MODE_IRQ:
|
||
|
|
/* select IRQ mode for IRL3-0 + IRL7-4 */
|
||
|
|
__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 */
|
||
|
|
__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_irl7654_desc);
|
||
|
|
break;
|
||
|
|
case IRQ_MODE_IRL3210_MASK:
|
||
|
|
/* enable IRL0-3 and mask using cpu intc controller */
|
||
|
|
__raw_writel(0x80000000, INTC_INTMSKCLR1);
|
||
|
|
register_intc_controller(&intc_irl3210_desc);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
BUG();
|
||
|
|
}
|
||
|
|
}
|