diff options
Diffstat (limited to 'arch/arm/mach-shmobile/setup-r8a7740.c')
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a7740.c | 1016 |
1 files changed, 38 insertions, 978 deletions
diff --git a/arch/arm/mach-shmobile/setup-r8a7740.c b/arch/arm/mach-shmobile/setup-r8a7740.c index 00c5a707238b..9ac2b8a2aa6a 100644 --- a/arch/arm/mach-shmobile/setup-r8a7740.c +++ b/arch/arm/mach-shmobile/setup-r8a7740.c @@ -1,879 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0 /* * R8A7740 processor support * * Copyright (C) 2011 Renesas Solutions Corp. * Copyright (C) 2011 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#include <linux/delay.h> -#include <linux/dma-mapping.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/io.h> -#include <linux/platform_data/irq-renesas-intc-irqpin.h> -#include <linux/platform_device.h> -#include <linux/of_platform.h> -#include <linux/serial_sci.h> -#include <linux/sh_dma.h> -#include <linux/sh_timer.h> -#include <linux/platform_data/sh_ipmmu.h> -#include <mach/dma-register.h> -#include <mach/r8a7740.h> -#include <mach/pm-rmobile.h> -#include <mach/common.h> -#include <mach/irqs.h> -#include <asm/mach-types.h> +#include <linux/irqchip.h> +#include <linux/irqchip/arm-gic.h> + #include <asm/mach/map.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> -static struct map_desc r8a7740_io_desc[] __initdata = { - /* - * for CPGA/INTC/PFC - * 0xe6000000-0xefffffff -> 0xe6000000-0xefffffff - */ - { - .virtual = 0xe6000000, - .pfn = __phys_to_pfn(0xe6000000), - .length = 160 << 20, - .type = MT_DEVICE_NONSHARED - }, -#ifdef CONFIG_CACHE_L2X0 - /* - * for l2x0_init() - * 0xf0100000-0xf0101000 -> 0xf0002000-0xf0003000 - */ - { - .virtual = 0xf0002000, - .pfn = __phys_to_pfn(0xf0100000), - .length = PAGE_SIZE, - .type = MT_DEVICE_NONSHARED - }, -#endif -}; - -void __init r8a7740_map_io(void) -{ - iotable_init(r8a7740_io_desc, ARRAY_SIZE(r8a7740_io_desc)); -} - -/* PFC */ -static const struct resource pfc_resources[] = { - DEFINE_RES_MEM(0xe6050000, 0x8000), - DEFINE_RES_MEM(0xe605800c, 0x0020), -}; - -void __init r8a7740_pinmux_init(void) -{ - platform_device_register_simple("pfc-r8a7740", -1, pfc_resources, - ARRAY_SIZE(pfc_resources)); -} - -static struct renesas_intc_irqpin_config irqpin0_platform_data = { - .irq_base = irq_pin(0), /* IRQ0 -> IRQ7 */ -}; - -static struct resource irqpin0_resources[] = { - DEFINE_RES_MEM(0xe6900000, 4), /* ICR1A */ - DEFINE_RES_MEM(0xe6900010, 4), /* INTPRI00A */ - DEFINE_RES_MEM(0xe6900020, 1), /* INTREQ00A */ - DEFINE_RES_MEM(0xe6900040, 1), /* INTMSK00A */ - DEFINE_RES_MEM(0xe6900060, 1), /* INTMSKCLR00A */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ0 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ1 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ2 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ3 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ4 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ5 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ6 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ7 */ -}; - -static struct platform_device irqpin0_device = { - .name = "renesas_intc_irqpin", - .id = 0, - .resource = irqpin0_resources, - .num_resources = ARRAY_SIZE(irqpin0_resources), - .dev = { - .platform_data = &irqpin0_platform_data, - }, -}; - -static struct renesas_intc_irqpin_config irqpin1_platform_data = { - .irq_base = irq_pin(8), /* IRQ8 -> IRQ15 */ -}; - -static struct resource irqpin1_resources[] = { - DEFINE_RES_MEM(0xe6900004, 4), /* ICR2A */ - DEFINE_RES_MEM(0xe6900014, 4), /* INTPRI10A */ - DEFINE_RES_MEM(0xe6900024, 1), /* INTREQ10A */ - DEFINE_RES_MEM(0xe6900044, 1), /* INTMSK10A */ - DEFINE_RES_MEM(0xe6900064, 1), /* INTMSKCLR10A */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ8 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ9 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ10 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ11 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ12 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ13 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ14 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ15 */ -}; - -static struct platform_device irqpin1_device = { - .name = "renesas_intc_irqpin", - .id = 1, - .resource = irqpin1_resources, - .num_resources = ARRAY_SIZE(irqpin1_resources), - .dev = { - .platform_data = &irqpin1_platform_data, - }, -}; - -static struct renesas_intc_irqpin_config irqpin2_platform_data = { - .irq_base = irq_pin(16), /* IRQ16 -> IRQ23 */ -}; - -static struct resource irqpin2_resources[] = { - DEFINE_RES_MEM(0xe6900008, 4), /* ICR3A */ - DEFINE_RES_MEM(0xe6900018, 4), /* INTPRI30A */ - DEFINE_RES_MEM(0xe6900028, 1), /* INTREQ30A */ - DEFINE_RES_MEM(0xe6900048, 1), /* INTMSK30A */ - DEFINE_RES_MEM(0xe6900068, 1), /* INTMSKCLR30A */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ16 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ17 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ18 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ19 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ20 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ21 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ22 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ23 */ -}; - -static struct platform_device irqpin2_device = { - .name = "renesas_intc_irqpin", - .id = 2, - .resource = irqpin2_resources, - .num_resources = ARRAY_SIZE(irqpin2_resources), - .dev = { - .platform_data = &irqpin2_platform_data, - }, -}; - -static struct renesas_intc_irqpin_config irqpin3_platform_data = { - .irq_base = irq_pin(24), /* IRQ24 -> IRQ31 */ -}; - -static struct resource irqpin3_resources[] = { - DEFINE_RES_MEM(0xe690000c, 4), /* ICR3A */ - DEFINE_RES_MEM(0xe690001c, 4), /* INTPRI30A */ - DEFINE_RES_MEM(0xe690002c, 1), /* INTREQ30A */ - DEFINE_RES_MEM(0xe690004c, 1), /* INTMSK30A */ - DEFINE_RES_MEM(0xe690006c, 1), /* INTMSKCLR30A */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ24 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ25 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ26 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ27 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ28 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ29 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ30 */ - DEFINE_RES_IRQ(gic_spi(149)), /* IRQ31 */ -}; - -static struct platform_device irqpin3_device = { - .name = "renesas_intc_irqpin", - .id = 3, - .resource = irqpin3_resources, - .num_resources = ARRAY_SIZE(irqpin3_resources), - .dev = { - .platform_data = &irqpin3_platform_data, - }, -}; - -/* SCIFA0 */ -static struct plat_sci_port scif0_platform_data = { - .mapbase = 0xe6c40000, - .flags = UPF_BOOT_AUTOCONF, - .scscr = SCSCR_RE | SCSCR_TE, - .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(gic_spi(100)), -}; - -static struct platform_device scif0_device = { - .name = "sh-sci", - .id = 0, - .dev = { - .platform_data = &scif0_platform_data, - }, -}; - -/* SCIFA1 */ -static struct plat_sci_port scif1_platform_data = { - .mapbase = 0xe6c50000, - .flags = UPF_BOOT_AUTOCONF, - .scscr = SCSCR_RE | SCSCR_TE, - .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(gic_spi(101)), -}; - -static struct platform_device scif1_device = { - .name = "sh-sci", - .id = 1, - .dev = { - .platform_data = &scif1_platform_data, - }, -}; - -/* SCIFA2 */ -static struct plat_sci_port scif2_platform_data = { - .mapbase = 0xe6c60000, - .flags = UPF_BOOT_AUTOCONF, - .scscr = SCSCR_RE | SCSCR_TE, - .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(gic_spi(102)), -}; - -static struct platform_device scif2_device = { - .name = "sh-sci", - .id = 2, - .dev = { - .platform_data = &scif2_platform_data, - }, -}; - -/* SCIFA3 */ -static struct plat_sci_port scif3_platform_data = { - .mapbase = 0xe6c70000, - .flags = UPF_BOOT_AUTOCONF, - .scscr = SCSCR_RE | SCSCR_TE, - .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(gic_spi(103)), -}; - -static struct platform_device scif3_device = { - .name = "sh-sci", - .id = 3, - .dev = { - .platform_data = &scif3_platform_data, - }, -}; - -/* SCIFA4 */ -static struct plat_sci_port scif4_platform_data = { - .mapbase = 0xe6c80000, - .flags = UPF_BOOT_AUTOCONF, - .scscr = SCSCR_RE | SCSCR_TE, - .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(gic_spi(104)), -}; - -static struct platform_device scif4_device = { - .name = "sh-sci", - .id = 4, - .dev = { - .platform_data = &scif4_platform_data, - }, -}; - -/* SCIFA5 */ -static struct plat_sci_port scif5_platform_data = { - .mapbase = 0xe6cb0000, - .flags = UPF_BOOT_AUTOCONF, - .scscr = SCSCR_RE | SCSCR_TE, - .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(gic_spi(105)), -}; - -static struct platform_device scif5_device = { - .name = "sh-sci", - .id = 5, - .dev = { - .platform_data = &scif5_platform_data, - }, -}; - -/* SCIFA6 */ -static struct plat_sci_port scif6_platform_data = { - .mapbase = 0xe6cc0000, - .flags = UPF_BOOT_AUTOCONF, - .scscr = SCSCR_RE | SCSCR_TE, - .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(gic_spi(106)), -}; - -static struct platform_device scif6_device = { - .name = "sh-sci", - .id = 6, - .dev = { - .platform_data = &scif6_platform_data, - }, -}; - -/* SCIFA7 */ -static struct plat_sci_port scif7_platform_data = { - .mapbase = 0xe6cd0000, - .flags = UPF_BOOT_AUTOCONF, - .scscr = SCSCR_RE | SCSCR_TE, - .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(gic_spi(107)), -}; - -static struct platform_device scif7_device = { - .name = "sh-sci", - .id = 7, - .dev = { - .platform_data = &scif7_platform_data, - }, -}; - -/* SCIFB */ -static struct plat_sci_port scifb_platform_data = { - .mapbase = 0xe6c30000, - .flags = UPF_BOOT_AUTOCONF, - .scscr = SCSCR_RE | SCSCR_TE, - .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIFB, - .irqs = SCIx_IRQ_MUXED(gic_spi(108)), -}; - -static struct platform_device scifb_device = { - .name = "sh-sci", - .id = 8, - .dev = { - .platform_data = &scifb_platform_data, - }, -}; - -/* CMT */ -static struct sh_timer_config cmt10_platform_data = { - .name = "CMT10", - .channel_offset = 0x10, - .timer_bit = 0, - .clockevent_rating = 125, - .clocksource_rating = 125, -}; - -static struct resource cmt10_resources[] = { - [0] = { - .name = "CMT10", - .start = 0xe6138010, - .end = 0xe613801b, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = gic_spi(58), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device cmt10_device = { - .name = "sh_cmt", - .id = 10, - .dev = { - .platform_data = &cmt10_platform_data, - }, - .resource = cmt10_resources, - .num_resources = ARRAY_SIZE(cmt10_resources), -}; - -/* TMU */ -static struct sh_timer_config tmu00_platform_data = { - .name = "TMU00", - .channel_offset = 0x4, - .timer_bit = 0, - .clockevent_rating = 200, -}; - -static struct resource tmu00_resources[] = { - [0] = { - .name = "TMU00", - .start = 0xfff80008, - .end = 0xfff80014 - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = gic_spi(198), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device tmu00_device = { - .name = "sh_tmu", - .id = 0, - .dev = { - .platform_data = &tmu00_platform_data, - }, - .resource = tmu00_resources, - .num_resources = ARRAY_SIZE(tmu00_resources), -}; - -static struct sh_timer_config tmu01_platform_data = { - .name = "TMU01", - .channel_offset = 0x10, - .timer_bit = 1, - .clocksource_rating = 200, -}; - -static struct resource tmu01_resources[] = { - [0] = { - .name = "TMU01", - .start = 0xfff80014, - .end = 0xfff80020 - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = gic_spi(199), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device tmu01_device = { - .name = "sh_tmu", - .id = 1, - .dev = { - .platform_data = &tmu01_platform_data, - }, - .resource = tmu01_resources, - .num_resources = ARRAY_SIZE(tmu01_resources), -}; - -static struct sh_timer_config tmu02_platform_data = { - .name = "TMU02", - .channel_offset = 0x1C, - .timer_bit = 2, - .clocksource_rating = 200, -}; - -static struct resource tmu02_resources[] = { - [0] = { - .name = "TMU02", - .start = 0xfff80020, - .end = 0xfff8002C - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = gic_spi(200), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device tmu02_device = { - .name = "sh_tmu", - .id = 2, - .dev = { - .platform_data = &tmu02_platform_data, - }, - .resource = tmu02_resources, - .num_resources = ARRAY_SIZE(tmu02_resources), -}; - -/* IPMMUI (an IPMMU module for ICB/LMB) */ -static struct resource ipmmu_resources[] = { - [0] = { - .name = "IPMMUI", - .start = 0xfe951000, - .end = 0xfe9510ff, - .flags = IORESOURCE_MEM, - }, -}; - -static const char * const ipmmu_dev_names[] = { - "sh_mobile_lcdc_fb.0", - "sh_mobile_lcdc_fb.1", - "sh_mobile_ceu.0", -}; - -static struct shmobile_ipmmu_platform_data ipmmu_platform_data = { - .dev_names = ipmmu_dev_names, - .num_dev_names = ARRAY_SIZE(ipmmu_dev_names), -}; - -static struct platform_device ipmmu_device = { - .name = "ipmmu", - .id = -1, - .dev = { - .platform_data = &ipmmu_platform_data, - }, - .resource = ipmmu_resources, - .num_resources = ARRAY_SIZE(ipmmu_resources), -}; - -static struct platform_device *r8a7740_devices_dt[] __initdata = { - &scif0_device, - &scif1_device, - &scif2_device, - &scif3_device, - &scif4_device, - &scif5_device, - &scif6_device, - &scif7_device, - &scifb_device, - &cmt10_device, -}; - -static struct platform_device *r8a7740_early_devices[] __initdata = { - &irqpin0_device, - &irqpin1_device, - &irqpin2_device, - &irqpin3_device, - &tmu00_device, - &tmu01_device, - &tmu02_device, - &ipmmu_device, -}; - -/* DMA */ -static const struct sh_dmae_slave_config r8a7740_dmae_slaves[] = { - { - .slave_id = SHDMA_SLAVE_SDHI0_TX, - .addr = 0xe6850030, - .chcr = CHCR_TX(XMIT_SZ_16BIT), - .mid_rid = 0xc1, - }, { - .slave_id = SHDMA_SLAVE_SDHI0_RX, - .addr = 0xe6850030, - .chcr = CHCR_RX(XMIT_SZ_16BIT), - .mid_rid = 0xc2, - }, { - .slave_id = SHDMA_SLAVE_SDHI1_TX, - .addr = 0xe6860030, - .chcr = CHCR_TX(XMIT_SZ_16BIT), - .mid_rid = 0xc9, - }, { - .slave_id = SHDMA_SLAVE_SDHI1_RX, - .addr = 0xe6860030, - .chcr = CHCR_RX(XMIT_SZ_16BIT), - .mid_rid = 0xca, - }, { - .slave_id = SHDMA_SLAVE_SDHI2_TX, - .addr = 0xe6870030, - .chcr = CHCR_TX(XMIT_SZ_16BIT), - .mid_rid = 0xcd, - }, { - .slave_id = SHDMA_SLAVE_SDHI2_RX, - .addr = 0xe6870030, - .chcr = CHCR_RX(XMIT_SZ_16BIT), - .mid_rid = 0xce, - }, { - .slave_id = SHDMA_SLAVE_FSIA_TX, - .addr = 0xfe1f0024, - .chcr = CHCR_TX(XMIT_SZ_32BIT), - .mid_rid = 0xb1, - }, { - .slave_id = SHDMA_SLAVE_FSIA_RX, - .addr = 0xfe1f0020, - .chcr = CHCR_RX(XMIT_SZ_32BIT), - .mid_rid = 0xb2, - }, { - .slave_id = SHDMA_SLAVE_FSIB_TX, - .addr = 0xfe1f0064, - .chcr = CHCR_TX(XMIT_SZ_32BIT), - .mid_rid = 0xb5, - }, -}; - -#define DMA_CHANNEL(a, b, c) \ -{ \ - .offset = a, \ - .dmars = b, \ - .dmars_bit = c, \ - .chclr_offset = (0x220 - 0x20) + a \ -} - -static const struct sh_dmae_channel r8a7740_dmae_channels[] = { - DMA_CHANNEL(0x00, 0, 0), - DMA_CHANNEL(0x10, 0, 8), - DMA_CHANNEL(0x20, 4, 0), - DMA_CHANNEL(0x30, 4, 8), - DMA_CHANNEL(0x50, 8, 0), - DMA_CHANNEL(0x60, 8, 8), -}; - -static struct sh_dmae_pdata dma_platform_data = { - .slave = r8a7740_dmae_slaves, - .slave_num = ARRAY_SIZE(r8a7740_dmae_slaves), - .channel = r8a7740_dmae_channels, - .channel_num = ARRAY_SIZE(r8a7740_dmae_channels), - .ts_low_shift = TS_LOW_SHIFT, - .ts_low_mask = TS_LOW_BIT << TS_LOW_SHIFT, - .ts_high_shift = TS_HI_SHIFT, - .ts_high_mask = TS_HI_BIT << TS_HI_SHIFT, - .ts_shift = dma_ts_shift, - .ts_shift_num = ARRAY_SIZE(dma_ts_shift), - .dmaor_init = DMAOR_DME, - .chclr_present = 1, -}; - -/* Resource order important! */ -static struct resource r8a7740_dmae0_resources[] = { - { - /* Channel registers and DMAOR */ - .start = 0xfe008020, - .end = 0xfe00828f, - .flags = IORESOURCE_MEM, - }, - { - /* DMARSx */ - .start = 0xfe009000, - .end = 0xfe00900b, - .flags = IORESOURCE_MEM, - }, - { - .name = "error_irq", - .start = gic_spi(34), - .end = gic_spi(34), - .flags = IORESOURCE_IRQ, - }, - { - /* IRQ for channels 0-5 */ - .start = gic_spi(28), - .end = gic_spi(33), - .flags = IORESOURCE_IRQ, - }, -}; - -/* Resource order important! */ -static struct resource r8a7740_dmae1_resources[] = { - { - /* Channel registers and DMAOR */ - .start = 0xfe018020, - .end = 0xfe01828f, - .flags = IORESOURCE_MEM, - }, - { - /* DMARSx */ - .start = 0xfe019000, - .end = 0xfe01900b, - .flags = IORESOURCE_MEM, - }, - { - .name = "error_irq", - .start = gic_spi(41), - .end = gic_spi(41), - .flags = IORESOURCE_IRQ, - }, - { - /* IRQ for channels 0-5 */ - .start = gic_spi(35), - .end = gic_spi(40), - .flags = IORESOURCE_IRQ, - }, -}; - -/* Resource order important! */ -static struct resource r8a7740_dmae2_resources[] = { - { - /* Channel registers and DMAOR */ - .start = 0xfe028020, - .end = 0xfe02828f, - .flags = IORESOURCE_MEM, - }, - { - /* DMARSx */ - .start = 0xfe029000, - .end = 0xfe02900b, - .flags = IORESOURCE_MEM, - }, - { - .name = "error_irq", - .start = gic_spi(48), - .end = gic_spi(48), - .flags = IORESOURCE_IRQ, - }, - { - /* IRQ for channels 0-5 */ - .start = gic_spi(42), - .end = gic_spi(47), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device dma0_device = { - .name = "sh-dma-engine", - .id = 0, - .resource = r8a7740_dmae0_resources, - .num_resources = ARRAY_SIZE(r8a7740_dmae0_resources), - .dev = { - .platform_data = &dma_platform_data, - }, -}; - -static struct platform_device dma1_device = { - .name = "sh-dma-engine", - .id = 1, - .resource = r8a7740_dmae1_resources, - .num_resources = ARRAY_SIZE(r8a7740_dmae1_resources), - .dev = { - .platform_data = &dma_platform_data, - }, -}; - -static struct platform_device dma2_device = { - .name = "sh-dma-engine", - .id = 2, - .resource = r8a7740_dmae2_resources, - .num_resources = ARRAY_SIZE(r8a7740_dmae2_resources), - .dev = { - .platform_data = &dma_platform_data, - }, -}; - -/* USB-DMAC */ -static const struct sh_dmae_channel r8a7740_usb_dma_channels[] = { - { - .offset = 0, - }, { - .offset = 0x20, - }, -}; - -static const struct sh_dmae_slave_config r8a7740_usb_dma_slaves[] = { - { - .slave_id = SHDMA_SLAVE_USBHS_TX, - .chcr = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE), - }, { - .slave_id = SHDMA_SLAVE_USBHS_RX, - .chcr = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE), - }, -}; - -static struct sh_dmae_pdata usb_dma_platform_data = { - .slave = r8a7740_usb_dma_slaves, - .slave_num = ARRAY_SIZE(r8a7740_usb_dma_slaves), - .channel = r8a7740_usb_dma_channels, - .channel_num = ARRAY_SIZE(r8a7740_usb_dma_channels), - .ts_low_shift = USBTS_LOW_SHIFT, - .ts_low_mask = USBTS_LOW_BIT << USBTS_LOW_SHIFT, - .ts_high_shift = USBTS_HI_SHIFT, - .ts_high_mask = USBTS_HI_BIT << USBTS_HI_SHIFT, - .ts_shift = dma_usbts_shift, - .ts_shift_num = ARRAY_SIZE(dma_usbts_shift), - .dmaor_init = DMAOR_DME, - .chcr_offset = 0x14, - .chcr_ie_bit = 1 << 5, - .dmaor_is_32bit = 1, - .needs_tend_set = 1, - .no_dmars = 1, - .slave_only = 1, -}; - -static struct resource r8a7740_usb_dma_resources[] = { - { - /* Channel registers and DMAOR */ - .start = 0xe68a0020, - .end = 0xe68a0064 - 1, - .flags = IORESOURCE_MEM, - }, - { - /* VCR/SWR/DMICR */ - .start = 0xe68a0000, - .end = 0xe68a0014 - 1, - .flags = IORESOURCE_MEM, - }, - { - /* IRQ for channels */ - .start = gic_spi(49), - .end = gic_spi(49), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device usb_dma_device = { - .name = "sh-dma-engine", - .id = 3, - .resource = r8a7740_usb_dma_resources, - .num_resources = ARRAY_SIZE(r8a7740_usb_dma_resources), - .dev = { - .platform_data = &usb_dma_platform_data, - }, -}; - -/* I2C */ -static struct resource i2c0_resources[] = { - [0] = { - .name = "IIC0", - .start = 0xfff20000, - .end = 0xfff20425 - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = gic_spi(201), - .end = gic_spi(204), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct resource i2c1_resources[] = { - [0] = { - .name = "IIC1", - .start = 0xe6c20000, - .end = 0xe6c20425 - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = gic_spi(70), /* IIC1_ALI1 */ - .end = gic_spi(73), /* IIC1_DTEI1 */ - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device i2c0_device = { - .name = "i2c-sh_mobile", - .id = 0, - .resource = i2c0_resources, - .num_resources = ARRAY_SIZE(i2c0_resources), -}; - -static struct platform_device i2c1_device = { - .name = "i2c-sh_mobile", - .id = 1, - .resource = i2c1_resources, - .num_resources = ARRAY_SIZE(i2c1_resources), -}; - -static struct resource pmu_resources[] = { - [0] = { - .start = gic_spi(83), - .end = gic_spi(83), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device pmu_device = { - .name = "arm-pmu", - .id = -1, - .num_resources = ARRAY_SIZE(pmu_resources), - .resource = pmu_resources, -}; - -static struct platform_device *r8a7740_late_devices[] __initdata = { - &i2c0_device, - &i2c1_device, - &dma0_device, - &dma1_device, - &dma2_device, - &usb_dma_device, - &pmu_device, -}; +#include "common.h" /* * r8a7740 chip has lasting errata on MERAM buffer. @@ -882,145 +24,63 @@ static struct platform_device *r8a7740_late_devices[] __initdata = { * "Media RAM (MERAM)" on r8a7740 documentation */ #define MEBUFCNTR 0xFE950098 -void r8a7740_meram_workaround(void) +static void __init r8a7740_meram_workaround(void) { void __iomem *reg; - reg = ioremap_nocache(MEBUFCNTR, 4); + reg = ioremap(MEBUFCNTR, 4); if (reg) { iowrite32(0x01600164, reg); iounmap(reg); } } -#define ICCR 0x0004 -#define ICSTART 0x0070 - -#define i2c_read(reg, offset) ioread8(reg + offset) -#define i2c_write(reg, offset, data) iowrite8(data, reg + offset) - -/* - * r8a7740 chip has lasting errata on I2C I/O pad reset. - * this is work-around for it. - */ -static void r8a7740_i2c_workaround(struct platform_device *pdev) -{ - struct resource *res; - void __iomem *reg; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (unlikely(!res)) { - pr_err("r8a7740 i2c workaround fail (cannot find resource)\n"); - return; - } - - reg = ioremap(res->start, resource_size(res)); - if (unlikely(!reg)) { - pr_err("r8a7740 i2c workaround fail (cannot map IO)\n"); - return; - } - - i2c_write(reg, ICCR, i2c_read(reg, ICCR) | 0x80); - i2c_read(reg, ICCR); /* dummy read */ - - i2c_write(reg, ICSTART, i2c_read(reg, ICSTART) | 0x10); - i2c_read(reg, ICSTART); /* dummy read */ - - udelay(10); - - i2c_write(reg, ICCR, 0x01); - i2c_write(reg, ICSTART, 0x00); - - udelay(10); - - i2c_write(reg, ICCR, 0x10); - udelay(10); - i2c_write(reg, ICCR, 0x00); - udelay(10); - i2c_write(reg, ICCR, 0x10); - udelay(10); - - iounmap(reg); -} - -void __init r8a7740_add_standard_devices(void) -{ - /* I2C work-around */ - r8a7740_i2c_workaround(&i2c0_device); - r8a7740_i2c_workaround(&i2c1_device); - - r8a7740_init_pm_domains(); - - /* add devices */ - platform_add_devices(r8a7740_early_devices, - ARRAY_SIZE(r8a7740_early_devices)); - platform_add_devices(r8a7740_devices_dt, - ARRAY_SIZE(r8a7740_devices_dt)); - platform_add_devices(r8a7740_late_devices, - ARRAY_SIZE(r8a7740_late_devices)); - - /* add devices to PM domain */ - - rmobile_add_device_to_domain("A3SP", &scif0_device); - rmobile_add_device_to_domain("A3SP", &scif1_device); - rmobile_add_device_to_domain("A3SP", &scif2_device); - rmobile_add_device_to_domain("A3SP", &scif3_device); - rmobile_add_device_to_domain("A3SP", &scif4_device); - rmobile_add_device_to_domain("A3SP", &scif5_device); - rmobile_add_device_to_domain("A3SP", &scif6_device); - rmobile_add_device_to_domain("A3SP", &scif7_device); - rmobile_add_device_to_domain("A3SP", &scifb_device); - rmobile_add_device_to_domain("A3SP", &i2c1_device); -} - -void __init r8a7740_add_early_devices(void) +static void __init r8a7740_init_irq_of(void) { - early_platform_add_devices(r8a7740_early_devices, - ARRAY_SIZE(r8a7740_early_devices)); - early_platform_add_devices(r8a7740_devices_dt, - ARRAY_SIZE(r8a7740_devices_dt)); - - /* setup early console here as well */ - shmobile_setup_console(); -} + void __iomem *intc_prio_base = ioremap(0xe6900010, 0x10); + void __iomem *intc_msk_base = ioremap(0xe6900040, 0x10); + void __iomem *pfc_inta_ctrl = ioremap(0xe605807c, 0x4); -#ifdef CONFIG_USE_OF + irqchip_init(); -static const struct of_dev_auxdata r8a7740_auxdata_lookup[] __initconst = { - { } -}; + /* route signals to GIC */ + iowrite32(0x0, pfc_inta_ctrl); -void __init r8a7740_add_standard_devices_dt(void) -{ - platform_add_devices(r8a7740_devices_dt, - ARRAY_SIZE(r8a7740_devices_dt)); - of_platform_populate(NULL, of_default_bus_match_table, - r8a7740_auxdata_lookup, NULL); + /* + * To mask the shared interrupt to SPI 149 we must ensure to set + * PRIO *and* MASK. Else we run into IRQ floods when registering + * the intc_irqpin devices + */ + iowrite32(0x0, intc_prio_base + 0x0); + iowrite32(0x0, intc_prio_base + 0x4); + iowrite32(0x0, intc_prio_base + 0x8); + iowrite32(0x0, intc_prio_base + 0xc); + iowrite8(0xff, intc_msk_base + 0x0); + iowrite8(0xff, intc_msk_base + 0x4); + iowrite8(0xff, intc_msk_base + 0x8); + iowrite8(0xff, intc_msk_base + 0xc); + + iounmap(intc_prio_base); + iounmap(intc_msk_base); + iounmap(pfc_inta_ctrl); } -void __init r8a7740_init_delay(void) -{ - shmobile_setup_delay(800, 1, 3); /* Cortex-A9 @ 800MHz */ -}; - static void __init r8a7740_generic_init(void) { - r8a7740_clock_init(0); - r8a7740_add_standard_devices_dt(); + r8a7740_meram_workaround(); } -static const char *r8a7740_boards_compat_dt[] __initdata = { +static const char *const r8a7740_boards_compat_dt[] __initconst = { "renesas,r8a7740", - NULL, + NULL }; DT_MACHINE_START(R8A7740_DT, "Generic R8A7740 (Flattened Device Tree)") - .map_io = r8a7740_map_io, - .init_early = r8a7740_init_delay, + .l2c_aux_val = 0, + .l2c_aux_mask = ~0, + .init_early = shmobile_init_delay, .init_irq = r8a7740_init_irq_of, .init_machine = r8a7740_generic_init, - .init_time = shmobile_timer_init, + .init_late = shmobile_init_late, .dt_compat = r8a7740_boards_compat_dt, MACHINE_END - -#endif /* CONFIG_USE_OF */ |