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linux_dsm_epyc7002/arch/sh/kernel/cpu/sh4a/setup-sh7734.c
Bartosz Golaszewski 201e91091b sh: add the sh_ prefix to early platform symbols 
Old early platform device support is now sh-specific. Before moving on
to implementing new early platform framework based on real platform
devices, prefix all early platform symbols with 'sh_'.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Rich Felker <dalias@libc.org>
Link: https://lore.kernel.org/r/20191003092913.10731-3-brgl@bgdev.pl
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-10-07 13:50:48 +02:00

622 lines
15 KiB
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// SPDX-License-Identifier: GPL-2.0
/*
* arch/sh/kernel/cpu/sh4a/setup-sh7734.c
*
* SH7734 Setup
*
* Copyright (C) 2011,2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
* Copyright (C) 2011,2012 Renesas Solutions Corp.
*/
#include <linux/platform_device.h>
#include <linux/init.h>
#include <linux/serial.h>
#include <linux/mm.h>
#include <linux/dma-mapping.h>
#include <linux/serial_sci.h>
#include <linux/sh_timer.h>
#include <linux/io.h>
#include <asm/clock.h>
#include <asm/irq.h>
#include <asm/platform_early.h>
#include <cpu/sh7734.h>
/* SCIF */
static struct plat_sci_port scif0_platform_data = {
.scscr = SCSCR_REIE,
.type = PORT_SCIF,
.regtype = SCIx_SH4_SCIF_BRG_REGTYPE,
};
static struct resource scif0_resources[] = {
DEFINE_RES_MEM(0xffe40000, 0x100),
DEFINE_RES_IRQ(evt2irq(0x8c0)),
};
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 = {
.scscr = SCSCR_REIE,
.type = PORT_SCIF,
.regtype = SCIx_SH4_SCIF_BRG_REGTYPE,
};
static struct resource scif1_resources[] = {
DEFINE_RES_MEM(0xffe41000, 0x100),
DEFINE_RES_IRQ(evt2irq(0x8e0)),
};
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,
.type = PORT_SCIF,
.regtype = SCIx_SH4_SCIF_BRG_REGTYPE,
};
static struct resource scif2_resources[] = {
DEFINE_RES_MEM(0xffe42000, 0x100),
DEFINE_RES_IRQ(evt2irq(0x900)),
};
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_TOIE,
.type = PORT_SCIF,
.regtype = SCIx_SH4_SCIF_BRG_REGTYPE,
};
static struct resource scif3_resources[] = {
DEFINE_RES_MEM(0xffe43000, 0x100),
DEFINE_RES_IRQ(evt2irq(0x920)),
};
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,
.type = PORT_SCIF,
.regtype = SCIx_SH4_SCIF_BRG_REGTYPE,
};
static struct resource scif4_resources[] = {
DEFINE_RES_MEM(0xffe44000, 0x100),
DEFINE_RES_IRQ(evt2irq(0x940)),
};
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,
.type = PORT_SCIF,
.regtype = SCIx_SH4_SCIF_BRG_REGTYPE,
};
static struct resource scif5_resources[] = {
DEFINE_RES_MEM(0xffe43000, 0x100),
DEFINE_RES_IRQ(evt2irq(0x960)),
};
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,
},
};
/* RTC */
static struct resource rtc_resources[] = {
[0] = {
.name = "rtc",
.start = 0xFFFC5000,
.end = 0xFFFC5000 + 0x26 - 1,
.flags = IORESOURCE_IO,
},
[1] = {
.start = evt2irq(0xC00),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device rtc_device = {
.name = "sh-rtc",
.id = -1,
.num_resources = ARRAY_SIZE(rtc_resources),
.resource = rtc_resources,
};
/* I2C 0 */
static struct resource i2c0_resources[] = {
[0] = {
.name = "IIC0",
.start = 0xFFC70000,
.end = 0xFFC7000A - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0x860),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device i2c0_device = {
.name = "i2c-sh7734",
.id = 0,
.num_resources = ARRAY_SIZE(i2c0_resources),
.resource = i2c0_resources,
};
/* TMU */
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(0xffd81000, 0x30),
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(0xffd82000, 0x30),
DEFINE_RES_IRQ(evt2irq(0x500)),
DEFINE_RES_IRQ(evt2irq(0x520)),
DEFINE_RES_IRQ(evt2irq(0x540)),
};
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 *sh7734_devices[] __initdata = {
&scif0_device,
&scif1_device,
&scif2_device,
&scif3_device,
&scif4_device,
&scif5_device,
&tmu0_device,
&tmu1_device,
&tmu2_device,
&rtc_device,
};
static struct platform_device *sh7734_early_devices[] __initdata = {
&scif0_device,
&scif1_device,
&scif2_device,
&scif3_device,
&scif4_device,
&scif5_device,
&tmu0_device,
&tmu1_device,
&tmu2_device,
};
void __init plat_early_device_setup(void)
{
sh_early_platform_add_devices(sh7734_early_devices,
ARRAY_SIZE(sh7734_early_devices));
}
#define GROUP 0
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,
IRQ0, IRQ1, IRQ2, IRQ3,
DU,
TMU00, TMU10, TMU20, TMU21,
TMU30, TMU40, TMU50, TMU51,
TMU60, TMU70, TMU80,
RESET_WDT,
USB,
HUDI,
SHDMAC,
SSI0, SSI1, SSI2, SSI3,
VIN0,
RGPVG,
_2DG,
MMC,
HSPI,
LBSCATA,
I2C0,
RCAN0,
MIMLB,
SCIF0, SCIF1, SCIF2, SCIF3, SCIF4, SCIF5,
LBSCDMAC0, LBSCDMAC1, LBSCDMAC2,
RCAN1,
SDHI0, SDHI1,
IEBUS,
HPBDMAC0_3, HPBDMAC4_10, HPBDMAC11_18, HPBDMAC19_22, HPBDMAC23_25_27_28,
RTC,
VIN1,
LCDC,
SRC0, SRC1,
GETHER,
SDHI2,
GPIO0_3, GPIO4_5,
STIF0, STIF1,
ADMAC,
HIF,
FLCTL,
ADC,
MTU2,
RSPI,
QSPI,
HSCIF,
VEU3F_VE3,
/* Group */
/* Mask */
STIF_M,
GPIO_M,
HPBDMAC_M,
LBSCDMAC_M,
RCAN_M,
SRC_M,
SCIF_M,
LCDC_M,
_2DG_M,
VIN_M,
TMU_3_M,
TMU_0_M,
/* Priority */
RCAN_P,
LBSCDMAC_P,
/* Common */
SDHI,
SSI,
SPI,
};
static struct intc_vect vectors[] __initdata = {
INTC_VECT(DU, 0x3E0),
INTC_VECT(TMU00, 0x400),
INTC_VECT(TMU10, 0x420),
INTC_VECT(TMU20, 0x440),
INTC_VECT(TMU30, 0x480),
INTC_VECT(TMU40, 0x4A0),
INTC_VECT(TMU50, 0x4C0),
INTC_VECT(TMU51, 0x4E0),
INTC_VECT(TMU60, 0x500),
INTC_VECT(TMU70, 0x520),
INTC_VECT(TMU80, 0x540),
INTC_VECT(RESET_WDT, 0x560),
INTC_VECT(USB, 0x580),
INTC_VECT(HUDI, 0x600),
INTC_VECT(SHDMAC, 0x620),
INTC_VECT(SSI0, 0x6C0),
INTC_VECT(SSI1, 0x6E0),
INTC_VECT(SSI2, 0x700),
INTC_VECT(SSI3, 0x720),
INTC_VECT(VIN0, 0x740),
INTC_VECT(RGPVG, 0x760),
INTC_VECT(_2DG, 0x780),
INTC_VECT(MMC, 0x7A0),
INTC_VECT(HSPI, 0x7E0),
INTC_VECT(LBSCATA, 0x840),
INTC_VECT(I2C0, 0x860),
INTC_VECT(RCAN0, 0x880),
INTC_VECT(SCIF0, 0x8A0),
INTC_VECT(SCIF1, 0x8C0),
INTC_VECT(SCIF2, 0x900),
INTC_VECT(SCIF3, 0x920),
INTC_VECT(SCIF4, 0x940),
INTC_VECT(SCIF5, 0x960),
INTC_VECT(LBSCDMAC0, 0x9E0),
INTC_VECT(LBSCDMAC1, 0xA00),
INTC_VECT(LBSCDMAC2, 0xA20),
INTC_VECT(RCAN1, 0xA60),
INTC_VECT(SDHI0, 0xAE0),
INTC_VECT(SDHI1, 0xB00),
INTC_VECT(IEBUS, 0xB20),
INTC_VECT(HPBDMAC0_3, 0xB60),
INTC_VECT(HPBDMAC4_10, 0xB80),
INTC_VECT(HPBDMAC11_18, 0xBA0),
INTC_VECT(HPBDMAC19_22, 0xBC0),
INTC_VECT(HPBDMAC23_25_27_28, 0xBE0),
INTC_VECT(RTC, 0xC00),
INTC_VECT(VIN1, 0xC20),
INTC_VECT(LCDC, 0xC40),
INTC_VECT(SRC0, 0xC60),
INTC_VECT(SRC1, 0xC80),
INTC_VECT(GETHER, 0xCA0),
INTC_VECT(SDHI2, 0xCC0),
INTC_VECT(GPIO0_3, 0xCE0),
INTC_VECT(GPIO4_5, 0xD00),
INTC_VECT(STIF0, 0xD20),
INTC_VECT(STIF1, 0xD40),
INTC_VECT(ADMAC, 0xDA0),
INTC_VECT(HIF, 0xDC0),
INTC_VECT(FLCTL, 0xDE0),
INTC_VECT(ADC, 0xE00),
INTC_VECT(MTU2, 0xE20),
INTC_VECT(RSPI, 0xE40),
INTC_VECT(QSPI, 0xE60),
INTC_VECT(HSCIF, 0xFC0),
INTC_VECT(VEU3F_VE3, 0xF40),
};
static struct intc_group groups[] __initdata = {
/* Common */
INTC_GROUP(SDHI, SDHI0, SDHI1, SDHI2),
INTC_GROUP(SPI, HSPI, RSPI, QSPI),
INTC_GROUP(SSI, SSI0, SSI1, SSI2, SSI3),
/* Mask group */
INTC_GROUP(STIF_M, STIF0, STIF1), /* 22 */
INTC_GROUP(GPIO_M, GPIO0_3, GPIO4_5), /* 21 */
INTC_GROUP(HPBDMAC_M, HPBDMAC0_3, HPBDMAC4_10, HPBDMAC11_18,
HPBDMAC19_22, HPBDMAC23_25_27_28), /* 19 */
INTC_GROUP(LBSCDMAC_M, LBSCDMAC0, LBSCDMAC1, LBSCDMAC2), /* 18 */
INTC_GROUP(RCAN_M, RCAN0, RCAN1, IEBUS), /* 17 */
INTC_GROUP(SRC_M, SRC0, SRC1), /* 16 */
INTC_GROUP(SCIF_M, SCIF0, SCIF1, SCIF2, SCIF3, SCIF4, SCIF5,
HSCIF), /* 14 */
INTC_GROUP(LCDC_M, LCDC, MIMLB), /* 13 */
INTC_GROUP(_2DG_M, _2DG, RGPVG), /* 12 */
INTC_GROUP(VIN_M, VIN0, VIN1), /* 10 */
INTC_GROUP(TMU_3_M, TMU30, TMU40, TMU50, TMU51,
TMU60, TMU60, TMU70, TMU80), /* 2 */
INTC_GROUP(TMU_0_M, TMU00, TMU10, TMU20, TMU21), /* 1 */
/* Priority group*/
INTC_GROUP(RCAN_P, RCAN0, RCAN1), /* INT2PRI5 */
INTC_GROUP(LBSCDMAC_P, LBSCDMAC0, LBSCDMAC1), /* INT2PRI5 */
};
static struct intc_mask_reg mask_registers[] __initdata = {
{ 0xFF804040, 0xFF804044, 32, /* INT2MSKRG / INT2MSKCR */
{ 0,
VEU3F_VE3,
SDHI, /* SDHI 0-2 */
ADMAC,
FLCTL,
RESET_WDT,
HIF,
ADC,
MTU2,
STIF_M, /* STIF 0,1 */
GPIO_M, /* GPIO 0-5*/
GETHER,
HPBDMAC_M, /* HPBDMAC 0_3 - 23_25_27_28 */
LBSCDMAC_M, /* LBSCDMAC 0 - 2 */
RCAN_M, /* RCAN, IEBUS */
SRC_M, /* SRC 0,1 */
LBSCATA,
SCIF_M, /* SCIF 0-5, HSCIF */
LCDC_M, /* LCDC, MIMLB */
_2DG_M, /* 2DG, RGPVG */
SPI, /* HSPI, RSPI, QSPI */
VIN_M, /* VIN0, 1 */
SSI, /* SSI 0-3 */
USB,
SHDMAC,
HUDI,
MMC,
RTC,
I2C0, /* I2C */ /* I2C 0, 1*/
TMU_3_M, /* TMU30 - TMU80 */
TMU_0_M, /* TMU00 - TMU21 */
DU } },
};
static struct intc_prio_reg prio_registers[] __initdata = {
{ 0xFF804000, 0, 32, 8, /* INT2PRI0 */
{ DU, TMU00, TMU10, TMU20 } },
{ 0xFF804004, 0, 32, 8, /* INT2PRI1 */
{ TMU30, TMU60, RTC, SDHI } },
{ 0xFF804008, 0, 32, 8, /* INT2PRI2 */
{ HUDI, SHDMAC, USB, SSI } },
{ 0xFF80400C, 0, 32, 8, /* INT2PRI3 */
{ VIN0, SPI, _2DG, LBSCATA } },
{ 0xFF804010, 0, 32, 8, /* INT2PRI4 */
{ SCIF0, SCIF3, HSCIF, LCDC } },
{ 0xFF804014, 0, 32, 8, /* INT2PRI5 */
{ RCAN_P, LBSCDMAC_P, LBSCDMAC2, MMC } },
{ 0xFF804018, 0, 32, 8, /* INT2PRI6 */
{ HPBDMAC0_3, HPBDMAC4_10, HPBDMAC11_18, HPBDMAC19_22 } },
{ 0xFF80401C, 0, 32, 8, /* INT2PRI7 */
{ HPBDMAC23_25_27_28, I2C0, SRC0, SRC1 } },
{ 0xFF804020, 0, 32, 8, /* INT2PRI8 */
{ 0 /* ADIF */, VIN1, RESET_WDT, HIF } },
{ 0xFF804024, 0, 32, 8, /* INT2PRI9 */
{ ADMAC, FLCTL, GPIO0_3, GPIO4_5 } },
{ 0xFF804028, 0, 32, 8, /* INT2PRI10 */
{ STIF0, STIF1, VEU3F_VE3, GETHER } },
{ 0xFF80402C, 0, 32, 8, /* INT2PRI11 */
{ MTU2, RGPVG, MIMLB, IEBUS } },
};
static DECLARE_INTC_DESC(intc_desc, "sh7734", vectors, groups,
mask_registers, prio_registers, NULL);
/* Support for external interrupt pins in IRQ mode */
static struct intc_vect irq3210_vectors[] __initdata = {
INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
INTC_VECT(IRQ2, 0x2C0), INTC_VECT(IRQ3, 0x300),
};
static struct intc_sense_reg irq3210_sense_registers[] __initdata = {
{ 0xFF80201C, 32, 2, /* ICR1 */
{ IRQ0, IRQ1, IRQ2, IRQ3, } },
};
static struct intc_mask_reg irq3210_ack_registers[] __initdata = {
{ 0xFF802024, 0, 32, /* INTREQ */
{ IRQ0, IRQ1, IRQ2, IRQ3, } },
};
static struct intc_mask_reg irq3210_mask_registers[] __initdata = {
{ 0xFF802044, 0xFF802064, 32, /* INTMSK0 / INTMSKCLR0 */
{ IRQ0, IRQ1, IRQ2, IRQ3, } },
};
static struct intc_prio_reg irq3210_prio_registers[] __initdata = {
{ 0xFF802010, 0, 32, 4, /* INTPRI */
{ IRQ0, IRQ1, IRQ2, IRQ3, } },
};
static DECLARE_INTC_DESC_ACK(intc_desc_irq3210, "sh7734-irq3210",
irq3210_vectors, NULL,
irq3210_mask_registers, irq3210_prio_registers,
irq3210_sense_registers, irq3210_ack_registers);
/* External interrupt pins in IRL mode */
static struct intc_vect vectors_irl3210[] __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 DECLARE_INTC_DESC(intc_desc_irl3210, "sh7734-irl3210",
vectors_irl3210, NULL, mask_registers, NULL, NULL);
#define INTC_ICR0 0xFF802000
#define INTC_INTMSK0 0xFF802044
#define INTC_INTMSK1 0xFF802048
#define INTC_INTMSKCLR0 0xFF802064
#define INTC_INTMSKCLR1 0xFF802068
void __init plat_irq_setup(void)
{
/* disable IRQ3-0 */
__raw_writel(0xF0000000, INTC_INTMSK0);
/* disable IRL3-0 */
__raw_writel(0x80000000, INTC_INTMSK1);
/* select IRL mode for IRL3-0 */
__raw_writel(__raw_readl(INTC_ICR0) & ~0x00800000, INTC_ICR0);
/* disable holding function, ie enable "SH-4 Mode (LVLMODE)" */
__raw_writel(__raw_readl(INTC_ICR0) | 0x00200000, INTC_ICR0);
register_intc_controller(&intc_desc);
}
void __init plat_irq_setup_pins(int mode)
{
switch (mode) {
case IRQ_MODE_IRQ3210:
/* select IRQ mode for IRL3-0 */
__raw_writel(__raw_readl(INTC_ICR0) | 0x00800000, INTC_ICR0);
register_intc_controller(&intc_desc_irq3210);
break;
case IRQ_MODE_IRL3210:
/* enable IRL0-3 but don't provide any masking */
__raw_writel(0x80000000, INTC_INTMSKCLR1);
__raw_writel(0xf0000000, INTC_INTMSKCLR0);
break;
case IRQ_MODE_IRL3210_MASK:
/* enable IRL0-3 and mask using cpu intc controller */
__raw_writel(0x80000000, INTC_INTMSKCLR0);
register_intc_controller(&intc_desc_irl3210);
break;
default:
BUG();
}
}
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