| /* |
| * 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/irqchip.h> |
| #include <linux/irqchip/arm-gic.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 <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, |
| }, |
| }; |
| |
| /* SCIF */ |
| #define R8A7740_SCIF(scif_type, index, baseaddr, irq) \ |
| static struct plat_sci_port scif##index##_platform_data = { \ |
| .type = scif_type, \ |
| .flags = UPF_BOOT_AUTOCONF, \ |
| .scscr = SCSCR_RE | SCSCR_TE, \ |
| }; \ |
| \ |
| static struct resource scif##index##_resources[] = { \ |
| DEFINE_RES_MEM(baseaddr, 0x100), \ |
| DEFINE_RES_IRQ(irq), \ |
| }; \ |
| \ |
| static struct platform_device scif##index##_device = { \ |
| .name = "sh-sci", \ |
| .id = index, \ |
| .resource = scif##index##_resources, \ |
| .num_resources = ARRAY_SIZE(scif##index##_resources), \ |
| .dev = { \ |
| .platform_data = &scif##index##_platform_data, \ |
| }, \ |
| } |
| |
| R8A7740_SCIF(PORT_SCIFA, 0, 0xe6c40000, gic_spi(100)); |
| R8A7740_SCIF(PORT_SCIFA, 1, 0xe6c50000, gic_spi(101)); |
| R8A7740_SCIF(PORT_SCIFA, 2, 0xe6c60000, gic_spi(102)); |
| R8A7740_SCIF(PORT_SCIFA, 3, 0xe6c70000, gic_spi(103)); |
| R8A7740_SCIF(PORT_SCIFA, 4, 0xe6c80000, gic_spi(104)); |
| R8A7740_SCIF(PORT_SCIFA, 5, 0xe6cb0000, gic_spi(105)); |
| R8A7740_SCIF(PORT_SCIFA, 6, 0xe6cc0000, gic_spi(106)); |
| R8A7740_SCIF(PORT_SCIFA, 7, 0xe6cd0000, gic_spi(107)); |
| R8A7740_SCIF(PORT_SCIFB, 8, 0xe6c30000, gic_spi(108)); |
| |
| /* 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, |
| &scif8_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, |
| }, { |
| .slave_id = SHDMA_SLAVE_MMCIF_TX, |
| .addr = 0xe6bd0034, |
| .chcr = CHCR_TX(XMIT_SZ_32BIT), |
| .mid_rid = 0xd1, |
| }, { |
| .slave_id = SHDMA_SLAVE_MMCIF_RX, |
| .addr = 0xe6bd0034, |
| .chcr = CHCR_RX(XMIT_SZ_32BIT), |
| .mid_rid = 0xd2, |
| }, |
| }; |
| |
| #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, |
| }; |
| |
| /* |
| * r8a7740 chip has lasting errata on MERAM buffer. |
| * this is work-around for it. |
| * see |
| * "Media RAM (MERAM)" on r8a7740 documentation |
| */ |
| #define MEBUFCNTR 0xFE950098 |
| void r8a7740_meram_workaround(void) |
| { |
| void __iomem *reg; |
| |
| reg = ioremap_nocache(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", &scif8_device); |
| rmobile_add_device_to_domain("A3SP", &i2c1_device); |
| } |
| |
| void __init r8a7740_add_early_devices(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(); |
| } |
| |
| #ifdef CONFIG_USE_OF |
| |
| void __init r8a7740_add_early_devices_dt(void) |
| { |
| shmobile_setup_delay(800, 1, 3); /* Cortex-A9 @ 800MHz */ |
| |
| early_platform_add_devices(r8a7740_early_devices, |
| ARRAY_SIZE(r8a7740_early_devices)); |
| |
| /* setup early console here as well */ |
| shmobile_setup_console(); |
| } |
| |
| 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, NULL, NULL); |
| } |
| |
| void __init r8a7740_init_delay(void) |
| { |
| shmobile_setup_delay(800, 1, 3); /* Cortex-A9 @ 800MHz */ |
| }; |
| |
| void __init r8a7740_init_irq_of(void) |
| { |
| void __iomem *intc_prio_base = ioremap_nocache(0xe6900010, 0x10); |
| void __iomem *intc_msk_base = ioremap_nocache(0xe6900040, 0x10); |
| void __iomem *pfc_inta_ctrl = ioremap_nocache(0xe605807c, 0x4); |
| |
| irqchip_init(); |
| |
| /* route signals to GIC */ |
| iowrite32(0x0, pfc_inta_ctrl); |
| |
| /* |
| * 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); |
| } |
| |
| static void __init r8a7740_generic_init(void) |
| { |
| r8a7740_clock_init(0); |
| r8a7740_add_standard_devices_dt(); |
| } |
| |
| static const char *r8a7740_boards_compat_dt[] __initdata = { |
| "renesas,r8a7740", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(R8A7740_DT, "Generic R8A7740 (Flattened Device Tree)") |
| .map_io = r8a7740_map_io, |
| .init_early = r8a7740_init_delay, |
| .init_irq = r8a7740_init_irq_of, |
| .init_machine = r8a7740_generic_init, |
| .dt_compat = r8a7740_boards_compat_dt, |
| MACHINE_END |
| |
| #endif /* CONFIG_USE_OF */ |
