/*
 * SH7203 and SH7263 Setup
 *
 *  Copyright (C) 2007  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
 * for more details.
 */
#include <linux/platform_device.h>
#include <linux/init.h>
#include <linux/serial.h>
#include <linux/serial_sci.h>

enum {
	UNUSED = 0,

	/* interrupt sources */
	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
	PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
	DMAC0_DEI, DMAC0_HEI, DMAC1_DEI, DMAC1_HEI,
	DMAC2_DEI, DMAC2_HEI, DMAC3_DEI, DMAC3_HEI,
	DMAC4_DEI, DMAC4_HEI, DMAC5_DEI, DMAC5_HEI,
	DMAC6_DEI, DMAC6_HEI, DMAC7_DEI, DMAC7_HEI,
	USB, LCDC, CMT0, CMT1, BSC, WDT,
	MTU2_TGI0A, MTU2_TGI0B, MTU2_TGI0C, MTU2_TGI0D,
	MTU2_TCI0V, MTU2_TGI0E, MTU2_TGI0F,
	MTU2_TGI1A, MTU2_TGI1B, MTU2_TCI1V, MTU2_TCI1U,
	MTU2_TGI2A, MTU2_TGI2B, MTU2_TCI2V, MTU2_TCI2U,
	MTU2_TGI3A, MTU2_TGI3B, MTU2_TGI3C, MTU2_TGI3D, MTU2_TCI3V,
	MTU2_TGI4A, MTU2_TGI4B, MTU2_TGI4C, MTU2_TGI4D, MTU2_TCI4V,
	ADC_ADI,
	IIC30_STPI, IIC30_NAKI, IIC30_RXI, IIC30_TXI, IIC30_TEI,
	IIC31_STPI, IIC31_NAKI, IIC31_RXI, IIC31_TXI, IIC31_TEI,
	IIC32_STPI, IIC32_NAKI, IIC32_RXI, IIC32_TXI, IIC32_TEI,
	IIC33_STPI, IIC33_NAKI, IIC33_RXI, IIC33_TXI, IIC33_TEI,
	SCIF0_BRI, SCIF0_ERI, SCIF0_RXI, SCIF0_TXI,
	SCIF1_BRI, SCIF1_ERI, SCIF1_RXI, SCIF1_TXI,
	SCIF2_BRI, SCIF2_ERI, SCIF2_RXI, SCIF2_TXI,
	SCIF3_BRI, SCIF3_ERI, SCIF3_RXI, SCIF3_TXI,
	SSU0_SSERI, SSU0_SSRXI, SSU0_SSTXI,
	SSU1_SSERI, SSU1_SSRXI, SSU1_SSTXI,
	SSI0_SSII, SSI1_SSII, SSI2_SSII, SSI3_SSII,

	/* ROM-DEC, SDHI, SRC, and IEB are SH7263 specific */
	ROMDEC_ISY, ROMDEC_IERR, ROMDEC_IARG, ROMDEC_ISEC, ROMDEC_IBUF,
	ROMDEC_IREADY,

	FLCTL_FLSTEI, FLCTL_FLTENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I,

	SDHI3, SDHI0, SDHI1,

	RTC_ARM, RTC_PRD, RTC_CUP,
	RCAN0_ERS, RCAN0_OVR, RCAN0_RM0, RCAN0_RM1, RCAN0_SLE,
	RCAN1_ERS, RCAN1_OVR, RCAN1_RM0, RCAN1_RM1, RCAN1_SLE,

	SRC_OVF, SRC_ODFI, SRC_IDEI, IEBI,

	/* interrupt groups */
	PINT, DMAC0, DMAC1, DMAC2, DMAC3, DMAC4, DMAC5, DMAC6, DMAC7,
	MTU0_ABCD, MTU0_VEF, MTU1_AB, MTU1_VU, MTU2_AB, MTU2_VU,
	MTU3_ABCD, MTU4_ABCD,
	IIC30, IIC31, IIC32, IIC33, SCIF0, SCIF1, SCIF2, SCIF3,
	SSU0, SSU1, ROMDEC, SDHI, FLCTL, RTC, RCAN0, RCAN1, SRC
};

static struct intc_vect vectors[] __initdata = {
	INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
	INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
	INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
	INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
	INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
	INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
	INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
	INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
	INTC_IRQ(DMAC0_DEI, 108), INTC_IRQ(DMAC0_HEI, 109),
	INTC_IRQ(DMAC1_DEI, 112), INTC_IRQ(DMAC1_HEI, 113),
	INTC_IRQ(DMAC2_DEI, 116), INTC_IRQ(DMAC2_HEI, 117),
	INTC_IRQ(DMAC3_DEI, 120), INTC_IRQ(DMAC3_HEI, 121),
	INTC_IRQ(DMAC4_DEI, 124), INTC_IRQ(DMAC4_HEI, 125),
	INTC_IRQ(DMAC5_DEI, 128), INTC_IRQ(DMAC5_HEI, 129),
	INTC_IRQ(DMAC6_DEI, 132), INTC_IRQ(DMAC6_HEI, 133),
	INTC_IRQ(DMAC7_DEI, 136), INTC_IRQ(DMAC7_HEI, 137),
	INTC_IRQ(USB, 140), INTC_IRQ(LCDC, 141),
	INTC_IRQ(CMT0, 142), INTC_IRQ(CMT1, 143),
	INTC_IRQ(BSC, 144), INTC_IRQ(WDT, 145),
	INTC_IRQ(MTU2_TGI0A, 146), INTC_IRQ(MTU2_TGI0B, 147),
	INTC_IRQ(MTU2_TGI0C, 148), INTC_IRQ(MTU2_TGI0D, 149),
	INTC_IRQ(MTU2_TCI0V, 150),
	INTC_IRQ(MTU2_TGI0E, 151), INTC_IRQ(MTU2_TGI0F, 152),
	INTC_IRQ(MTU2_TGI1A, 153), INTC_IRQ(MTU2_TGI1B, 154),
	INTC_IRQ(MTU2_TCI1V, 155), INTC_IRQ(MTU2_TCI1U, 156),
	INTC_IRQ(MTU2_TGI2A, 157), INTC_IRQ(MTU2_TGI2B, 158),
	INTC_IRQ(MTU2_TCI2V, 159), INTC_IRQ(MTU2_TCI2U, 160),
	INTC_IRQ(MTU2_TGI3A, 161), INTC_IRQ(MTU2_TGI3B, 162),
	INTC_IRQ(MTU2_TGI3C, 163), INTC_IRQ(MTU2_TGI3D, 164),
	INTC_IRQ(MTU2_TCI3V, 165),
	INTC_IRQ(MTU2_TGI4A, 166), INTC_IRQ(MTU2_TGI4B, 167),
	INTC_IRQ(MTU2_TGI4C, 168), INTC_IRQ(MTU2_TGI4D, 169),
	INTC_IRQ(MTU2_TCI4V, 170),
	INTC_IRQ(ADC_ADI, 171),
	INTC_IRQ(IIC30_STPI, 172), INTC_IRQ(IIC30_NAKI, 173),
	INTC_IRQ(IIC30_RXI, 174), INTC_IRQ(IIC30_TXI, 175),
	INTC_IRQ(IIC30_TEI, 176),
	INTC_IRQ(IIC31_STPI, 177), INTC_IRQ(IIC31_NAKI, 178),
	INTC_IRQ(IIC31_RXI, 179), INTC_IRQ(IIC31_TXI, 180),
	INTC_IRQ(IIC31_TEI, 181),
	INTC_IRQ(IIC32_STPI, 182), INTC_IRQ(IIC32_NAKI, 183),
	INTC_IRQ(IIC32_RXI, 184), INTC_IRQ(IIC32_TXI, 185),
	INTC_IRQ(IIC32_TEI, 186),
	INTC_IRQ(IIC33_STPI, 187), INTC_IRQ(IIC33_NAKI, 188),
	INTC_IRQ(IIC33_RXI, 189), INTC_IRQ(IIC33_TXI, 190),
	INTC_IRQ(IIC33_TEI, 191),
	INTC_IRQ(SCIF0_BRI, 192), INTC_IRQ(SCIF0_ERI, 193),
	INTC_IRQ(SCIF0_RXI, 194), INTC_IRQ(SCIF0_TXI, 195),
	INTC_IRQ(SCIF1_BRI, 196), INTC_IRQ(SCIF1_ERI, 197),
	INTC_IRQ(SCIF1_RXI, 198), INTC_IRQ(SCIF1_TXI, 199),
	INTC_IRQ(SCIF2_BRI, 200), INTC_IRQ(SCIF2_ERI, 201),
	INTC_IRQ(SCIF2_RXI, 202), INTC_IRQ(SCIF2_TXI, 203),
	INTC_IRQ(SCIF3_BRI, 204), INTC_IRQ(SCIF3_ERI, 205),
	INTC_IRQ(SCIF3_RXI, 206), INTC_IRQ(SCIF3_TXI, 207),
	INTC_IRQ(SSU0_SSERI, 208), INTC_IRQ(SSU0_SSRXI, 209),
	INTC_IRQ(SSU0_SSTXI, 210),
	INTC_IRQ(SSU1_SSERI, 211), INTC_IRQ(SSU1_SSRXI, 212),
	INTC_IRQ(SSU1_SSTXI, 213),
	INTC_IRQ(SSI0_SSII, 214), INTC_IRQ(SSI1_SSII, 215),
	INTC_IRQ(SSI2_SSII, 216), INTC_IRQ(SSI3_SSII, 217),
	INTC_IRQ(FLCTL_FLSTEI, 224), INTC_IRQ(FLCTL_FLTENDI, 225),
	INTC_IRQ(FLCTL_FLTREQ0I, 226), INTC_IRQ(FLCTL_FLTREQ1I, 227),
	INTC_IRQ(RTC_ARM, 231), INTC_IRQ(RTC_PRD, 232),
	INTC_IRQ(RTC_CUP, 233),
	INTC_IRQ(RCAN0_ERS, 234), INTC_IRQ(RCAN0_OVR, 235),
	INTC_IRQ(RCAN0_RM0, 236), INTC_IRQ(RCAN0_RM1, 237),
	INTC_IRQ(RCAN0_SLE, 238),
	INTC_IRQ(RCAN1_ERS, 239), INTC_IRQ(RCAN1_OVR, 240),
	INTC_IRQ(RCAN1_RM0, 241), INTC_IRQ(RCAN1_RM1, 242),
	INTC_IRQ(RCAN1_SLE, 243),

	/* SH7263-specific trash */
#ifdef CONFIG_CPU_SUBTYPE_SH7263
	INTC_IRQ(ROMDEC_ISY, 218), INTC_IRQ(ROMDEC_IERR, 219),
	INTC_IRQ(ROMDEC_IARG, 220), INTC_IRQ(ROMDEC_ISEC, 221),
	INTC_IRQ(ROMDEC_IBUF, 222), INTC_IRQ(ROMDEC_IREADY, 223),

	INTC_IRQ(SDHI3, 228), INTC_IRQ(SDHI0, 229), INTC_IRQ(SDHI1, 230),

	INTC_IRQ(SRC_OVF, 244), INTC_IRQ(SRC_ODFI, 245),
	INTC_IRQ(SRC_IDEI, 246),

	INTC_IRQ(IEBI, 247),
#endif
};

static struct intc_group groups[] __initdata = {
	INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
		   PINT4, PINT5, PINT6, PINT7),
	INTC_GROUP(DMAC0, DMAC0_DEI, DMAC0_HEI),
	INTC_GROUP(DMAC1, DMAC1_DEI, DMAC1_HEI),
	INTC_GROUP(DMAC2, DMAC2_DEI, DMAC2_HEI),
	INTC_GROUP(DMAC3, DMAC3_DEI, DMAC3_HEI),
	INTC_GROUP(DMAC4, DMAC4_DEI, DMAC4_HEI),
	INTC_GROUP(DMAC5, DMAC5_DEI, DMAC5_HEI),
	INTC_GROUP(DMAC6, DMAC6_DEI, DMAC6_HEI),
	INTC_GROUP(DMAC7, DMAC7_DEI, DMAC7_HEI),
	INTC_GROUP(MTU0_ABCD, MTU2_TGI0A, MTU2_TGI0B, MTU2_TGI0C, MTU2_TGI0D),
	INTC_GROUP(MTU0_VEF, MTU2_TCI0V, MTU2_TGI0E, MTU2_TGI0F),
	INTC_GROUP(MTU1_AB, MTU2_TGI1A, MTU2_TGI1B),
	INTC_GROUP(MTU1_VU, MTU2_TCI1V, MTU2_TCI1U),
	INTC_GROUP(MTU2_AB, MTU2_TGI2A, MTU2_TGI2B),
	INTC_GROUP(MTU2_VU, MTU2_TCI2V, MTU2_TCI2U),
	INTC_GROUP(MTU3_ABCD, MTU2_TGI3A, MTU2_TGI3B, MTU2_TGI3C, MTU2_TGI3D),
	INTC_GROUP(MTU4_ABCD, MTU2_TGI4A, MTU2_TGI4B, MTU2_TGI4C, MTU2_TGI4D),
	INTC_GROUP(IIC30, IIC30_STPI, IIC30_NAKI, IIC30_RXI, IIC30_TXI,
		   IIC30_TEI),
	INTC_GROUP(IIC31, IIC31_STPI, IIC31_NAKI, IIC31_RXI, IIC31_TXI,
		   IIC31_TEI),
	INTC_GROUP(IIC32, IIC32_STPI, IIC32_NAKI, IIC32_RXI, IIC32_TXI,
		   IIC32_TEI),
	INTC_GROUP(IIC33, IIC33_STPI, IIC33_NAKI, IIC33_RXI, IIC33_TXI,
		   IIC33_TEI),
	INTC_GROUP(SCIF0, SCIF0_BRI, SCIF0_ERI, SCIF0_RXI, SCIF0_TXI),
	INTC_GROUP(SCIF1, SCIF1_BRI, SCIF1_ERI, SCIF1_RXI, SCIF1_TXI),
	INTC_GROUP(SCIF2, SCIF2_BRI, SCIF2_ERI, SCIF2_RXI, SCIF2_TXI),
	INTC_GROUP(SCIF3, SCIF3_BRI, SCIF3_ERI, SCIF3_RXI, SCIF3_TXI),
	INTC_GROUP(SSU0, SSU0_SSERI, SSU0_SSRXI, SSU0_SSTXI),
	INTC_GROUP(SSU1, SSU1_SSERI, SSU1_SSRXI, SSU1_SSTXI),
	INTC_GROUP(FLCTL, FLCTL_FLSTEI, FLCTL_FLTENDI, FLCTL_FLTREQ0I,
		   FLCTL_FLTREQ1I),
	INTC_GROUP(RTC, RTC_ARM, RTC_PRD, RTC_CUP),
	INTC_GROUP(RCAN0, RCAN0_ERS, RCAN0_OVR, RCAN0_RM0, RCAN0_RM1,
		   RCAN0_SLE),
	INTC_GROUP(RCAN1, RCAN1_ERS, RCAN1_OVR, RCAN1_RM0, RCAN1_RM1,
		   RCAN1_SLE),

#ifdef CONFIG_CPU_SUBTYPE_SH7263
	INTC_GROUP(ROMDEC, ROMDEC_ISY, ROMDEC_IERR, ROMDEC_IARG,
		   ROMDEC_ISEC, ROMDEC_IBUF, ROMDEC_IREADY),
	INTC_GROUP(SDHI, SDHI3, SDHI0, SDHI1),
	INTC_GROUP(SRC, SRC_OVF, SRC_ODFI, SRC_IDEI),
#endif
};

static struct intc_prio_reg prio_registers[] __initdata = {
	{ 0xfffe0818, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
	{ 0xfffe081a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
	{ 0xfffe0820, 0, 16, 4, /* IPR05 */ { PINT, 0, 0, 0 } },
	{ 0xfffe0c00, 0, 16, 4, /* IPR06 */ { DMAC0, DMAC1, DMAC2, DMAC3 } },
	{ 0xfffe0c02, 0, 16, 4, /* IPR07 */ { DMAC4, DMAC5, DMAC6, DMAC7 } },
	{ 0xfffe0c04, 0, 16, 4, /* IPR08 */ { USB, LCDC, CMT0, CMT1 } },
	{ 0xfffe0c06, 0, 16, 4, /* IPR09 */ { BSC, WDT, MTU0_ABCD, MTU0_VEF } },
	{ 0xfffe0c08, 0, 16, 4, /* IPR10 */ { MTU1_AB, MTU1_VU, MTU2_AB,
					      MTU2_VU } },
	{ 0xfffe0c0a, 0, 16, 4, /* IPR11 */ { MTU3_ABCD, MTU2_TCI3V, MTU4_ABCD,
					      MTU2_TCI4V } },
	{ 0xfffe0c0c, 0, 16, 4, /* IPR12 */ { ADC_ADI, IIC30, IIC31, IIC32 } },
	{ 0xfffe0c0e, 0, 16, 4, /* IPR13 */ { IIC33, SCIF0, SCIF1, SCIF2 } },
	{ 0xfffe0c10, 0, 16, 4, /* IPR14 */ { SCIF3, SSU0, SSU1, SSI0_SSII } },
#ifdef CONFIG_CPU_SUBTYPE_SH7203
	{ 0xfffe0c12, 0, 16, 4, /* IPR15 */ { SSI1_SSII, SSI2_SSII,
					      SSI3_SSII, 0 } },
	{ 0xfffe0c14, 0, 16, 4, /* IPR16 */ { FLCTL, 0, RTC, RCAN0 } },
	{ 0xfffe0c16, 0, 16, 4, /* IPR17 */ { RCAN1, 0, 0, 0 } },
#else
	{ 0xfffe0c12, 0, 16, 4, /* IPR15 */ { SSI1_SSII, SSI2_SSII,
					      SSI3_SSII, ROMDEC } },
	{ 0xfffe0c14, 0, 16, 4, /* IPR16 */ { FLCTL, SDHI, RTC, RCAN0 } },
	{ 0xfffe0c16, 0, 16, 4, /* IPR17 */ { RCAN1, SRC, IEBI, 0 } },
#endif
};

static struct intc_mask_reg mask_registers[] __initdata = {
	{ 0xfffe0808, 0, 16, /* PINTER */
	  { 0, 0, 0, 0, 0, 0, 0, 0,
	    PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
};

static DECLARE_INTC_DESC(intc_desc, "sh7203", vectors, groups,
			 mask_registers, prio_registers, NULL);

static struct plat_sci_port sci_platform_data[] = {
	{
		.mapbase	= 0xfffe8000,
		.flags		= UPF_BOOT_AUTOCONF,
		.type		= PORT_SCIF,
		.irqs		=  { 193, 194, 195, 192 },
	}, {
		.mapbase	= 0xfffe8800,
		.flags		= UPF_BOOT_AUTOCONF,
		.type		= PORT_SCIF,
		.irqs		=  { 197, 198, 199, 196 },
	}, {
		.mapbase	= 0xfffe9000,
		.flags		= UPF_BOOT_AUTOCONF,
		.type		= PORT_SCIF,
		.irqs		=  { 201, 202, 203, 200 },
	}, {
		.mapbase	= 0xfffe9800,
		.flags		= UPF_BOOT_AUTOCONF,
		.type		= PORT_SCIF,
		.irqs		=  { 205, 206, 207, 204 },
	}, {
		.flags = 0,
	}
};

static struct platform_device sci_device = {
	.name		= "sh-sci",
	.id		= -1,
	.dev		= {
		.platform_data	= sci_platform_data,
	},
};

static struct resource rtc_resources[] = {
	[0] = {
		.start	= 0xffff2000,
		.end	= 0xffff2000 + 0x58 - 1,
		.flags	= IORESOURCE_IO,
	},
	[1] = {
		/* Period IRQ */
		.start	= 232,
		.flags	= IORESOURCE_IRQ,
	},
	[2] = {
		/* Carry IRQ */
		.start	= 233,
		.flags	= IORESOURCE_IRQ,
	},
	[3] = {
		/* Alarm IRQ */
		.start	= 231,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device rtc_device = {
	.name		= "sh-rtc",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(rtc_resources),
	.resource	= rtc_resources,
};

static struct platform_device *sh7203_devices[] __initdata = {
	&sci_device,
	&rtc_device,
};

static int __init sh7203_devices_setup(void)
{
	return platform_add_devices(sh7203_devices,
				    ARRAY_SIZE(sh7203_devices));
}
__initcall(sh7203_devices_setup);

void __init plat_irq_setup(void)
{
	register_intc_controller(&intc_desc);
}