| /* |
| * sh7372 processor support |
| * |
| * Copyright (C) 2010 Magnus Damm |
| * Copyright (C) 2008 Yoshihiro Shimoda |
| * |
| * 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/kernel.h> |
| #include <linux/init.h> |
| #include <linux/interrupt.h> |
| #include <linux/irq.h> |
| #include <linux/platform_device.h> |
| #include <linux/delay.h> |
| #include <linux/input.h> |
| #include <linux/io.h> |
| #include <linux/serial_sci.h> |
| #include <linux/sh_dma.h> |
| #include <linux/sh_intc.h> |
| #include <linux/sh_timer.h> |
| #include <mach/hardware.h> |
| #include <mach/sh7372.h> |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| |
| /* SCIFA0 */ |
| static struct plat_sci_port scif0_platform_data = { |
| .mapbase = 0xe6c40000, |
| .flags = UPF_BOOT_AUTOCONF, |
| .type = PORT_SCIFA, |
| .irqs = { evt2irq(0x0c00), evt2irq(0x0c00), |
| evt2irq(0x0c00), evt2irq(0x0c00) }, |
| }; |
| |
| 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, |
| .type = PORT_SCIFA, |
| .irqs = { evt2irq(0x0c20), evt2irq(0x0c20), |
| evt2irq(0x0c20), evt2irq(0x0c20) }, |
| }; |
| |
| 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, |
| .type = PORT_SCIFA, |
| .irqs = { evt2irq(0x0c40), evt2irq(0x0c40), |
| evt2irq(0x0c40), evt2irq(0x0c40) }, |
| }; |
| |
| 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, |
| .type = PORT_SCIFA, |
| .irqs = { evt2irq(0x0c60), evt2irq(0x0c60), |
| evt2irq(0x0c60), evt2irq(0x0c60) }, |
| }; |
| |
| 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, |
| .type = PORT_SCIFA, |
| .irqs = { evt2irq(0x0d20), evt2irq(0x0d20), |
| evt2irq(0x0d20), evt2irq(0x0d20) }, |
| }; |
| |
| 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, |
| .type = PORT_SCIFA, |
| .irqs = { evt2irq(0x0d40), evt2irq(0x0d40), |
| evt2irq(0x0d40), evt2irq(0x0d40) }, |
| }; |
| |
| static struct platform_device scif5_device = { |
| .name = "sh-sci", |
| .id = 5, |
| .dev = { |
| .platform_data = &scif5_platform_data, |
| }, |
| }; |
| |
| /* SCIFB */ |
| static struct plat_sci_port scif6_platform_data = { |
| .mapbase = 0xe6c30000, |
| .flags = UPF_BOOT_AUTOCONF, |
| .type = PORT_SCIFB, |
| .irqs = { evt2irq(0x0d60), evt2irq(0x0d60), |
| evt2irq(0x0d60), evt2irq(0x0d60) }, |
| }; |
| |
| static struct platform_device scif6_device = { |
| .name = "sh-sci", |
| .id = 6, |
| .dev = { |
| .platform_data = &scif6_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 = evt2irq(0x0b00), /* CMT1_CMT10 */ |
| .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 = 0xfff60008, |
| .end = 0xfff60013, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = intcs_evt2irq(0xe80), /* TMU_TUNI0 */ |
| .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 = 0xfff60014, |
| .end = 0xfff6001f, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = intcs_evt2irq(0xea0), /* TMU_TUNI1 */ |
| .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), |
| }; |
| |
| /* I2C */ |
| static struct resource iic0_resources[] = { |
| [0] = { |
| .name = "IIC0", |
| .start = 0xFFF20000, |
| .end = 0xFFF20425 - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = intcs_evt2irq(0xe00), /* IIC0_ALI0 */ |
| .end = intcs_evt2irq(0xe60), /* IIC0_DTEI0 */ |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device iic0_device = { |
| .name = "i2c-sh_mobile", |
| .id = 0, /* "i2c0" clock */ |
| .num_resources = ARRAY_SIZE(iic0_resources), |
| .resource = iic0_resources, |
| }; |
| |
| static struct resource iic1_resources[] = { |
| [0] = { |
| .name = "IIC1", |
| .start = 0xE6C20000, |
| .end = 0xE6C20425 - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = evt2irq(0x780), /* IIC1_ALI1 */ |
| .end = evt2irq(0x7e0), /* IIC1_DTEI1 */ |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device iic1_device = { |
| .name = "i2c-sh_mobile", |
| .id = 1, /* "i2c1" clock */ |
| .num_resources = ARRAY_SIZE(iic1_resources), |
| .resource = iic1_resources, |
| }; |
| |
| /* DMA */ |
| /* Transmit sizes and respective CHCR register values */ |
| enum { |
| XMIT_SZ_8BIT = 0, |
| XMIT_SZ_16BIT = 1, |
| XMIT_SZ_32BIT = 2, |
| XMIT_SZ_64BIT = 7, |
| XMIT_SZ_128BIT = 3, |
| XMIT_SZ_256BIT = 4, |
| XMIT_SZ_512BIT = 5, |
| }; |
| |
| /* log2(size / 8) - used to calculate number of transfers */ |
| #define TS_SHIFT { \ |
| [XMIT_SZ_8BIT] = 0, \ |
| [XMIT_SZ_16BIT] = 1, \ |
| [XMIT_SZ_32BIT] = 2, \ |
| [XMIT_SZ_64BIT] = 3, \ |
| [XMIT_SZ_128BIT] = 4, \ |
| [XMIT_SZ_256BIT] = 5, \ |
| [XMIT_SZ_512BIT] = 6, \ |
| } |
| |
| #define TS_INDEX2VAL(i) ((((i) & 3) << 3) | \ |
| (((i) & 0xc) << (20 - 2))) |
| |
| static const struct sh_dmae_slave_config sh7372_dmae_slaves[] = { |
| { |
| .slave_id = SHDMA_SLAVE_SCIF0_TX, |
| .addr = 0xe6c40020, |
| .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), |
| .mid_rid = 0x21, |
| }, { |
| .slave_id = SHDMA_SLAVE_SCIF0_RX, |
| .addr = 0xe6c40024, |
| .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), |
| .mid_rid = 0x22, |
| }, { |
| .slave_id = SHDMA_SLAVE_SCIF1_TX, |
| .addr = 0xe6c50020, |
| .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), |
| .mid_rid = 0x25, |
| }, { |
| .slave_id = SHDMA_SLAVE_SCIF1_RX, |
| .addr = 0xe6c50024, |
| .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), |
| .mid_rid = 0x26, |
| }, { |
| .slave_id = SHDMA_SLAVE_SCIF2_TX, |
| .addr = 0xe6c60020, |
| .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), |
| .mid_rid = 0x29, |
| }, { |
| .slave_id = SHDMA_SLAVE_SCIF2_RX, |
| .addr = 0xe6c60024, |
| .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), |
| .mid_rid = 0x2a, |
| }, { |
| .slave_id = SHDMA_SLAVE_SCIF3_TX, |
| .addr = 0xe6c70020, |
| .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), |
| .mid_rid = 0x2d, |
| }, { |
| .slave_id = SHDMA_SLAVE_SCIF3_RX, |
| .addr = 0xe6c70024, |
| .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), |
| .mid_rid = 0x2e, |
| }, { |
| .slave_id = SHDMA_SLAVE_SCIF4_TX, |
| .addr = 0xe6c80020, |
| .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), |
| .mid_rid = 0x39, |
| }, { |
| .slave_id = SHDMA_SLAVE_SCIF4_RX, |
| .addr = 0xe6c80024, |
| .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), |
| .mid_rid = 0x3a, |
| }, { |
| .slave_id = SHDMA_SLAVE_SCIF5_TX, |
| .addr = 0xe6cb0020, |
| .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), |
| .mid_rid = 0x35, |
| }, { |
| .slave_id = SHDMA_SLAVE_SCIF5_RX, |
| .addr = 0xe6cb0024, |
| .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), |
| .mid_rid = 0x36, |
| }, { |
| .slave_id = SHDMA_SLAVE_SCIF6_TX, |
| .addr = 0xe6c30040, |
| .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), |
| .mid_rid = 0x3d, |
| }, { |
| .slave_id = SHDMA_SLAVE_SCIF6_RX, |
| .addr = 0xe6c30060, |
| .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), |
| .mid_rid = 0x3e, |
| }, { |
| .slave_id = SHDMA_SLAVE_SDHI0_TX, |
| .addr = 0xe6850030, |
| .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), |
| .mid_rid = 0xc1, |
| }, { |
| .slave_id = SHDMA_SLAVE_SDHI0_RX, |
| .addr = 0xe6850030, |
| .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), |
| .mid_rid = 0xc2, |
| }, { |
| .slave_id = SHDMA_SLAVE_SDHI1_TX, |
| .addr = 0xe6860030, |
| .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), |
| .mid_rid = 0xc9, |
| }, { |
| .slave_id = SHDMA_SLAVE_SDHI1_RX, |
| .addr = 0xe6860030, |
| .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), |
| .mid_rid = 0xca, |
| }, { |
| .slave_id = SHDMA_SLAVE_SDHI2_TX, |
| .addr = 0xe6870030, |
| .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), |
| .mid_rid = 0xcd, |
| }, { |
| .slave_id = SHDMA_SLAVE_SDHI2_RX, |
| .addr = 0xe6870030, |
| .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), |
| .mid_rid = 0xce, |
| }, |
| }; |
| |
| static const struct sh_dmae_channel sh7372_dmae_channels[] = { |
| { |
| .offset = 0, |
| .dmars = 0, |
| .dmars_bit = 0, |
| }, { |
| .offset = 0x10, |
| .dmars = 0, |
| .dmars_bit = 8, |
| }, { |
| .offset = 0x20, |
| .dmars = 4, |
| .dmars_bit = 0, |
| }, { |
| .offset = 0x30, |
| .dmars = 4, |
| .dmars_bit = 8, |
| }, { |
| .offset = 0x50, |
| .dmars = 8, |
| .dmars_bit = 0, |
| }, { |
| .offset = 0x60, |
| .dmars = 8, |
| .dmars_bit = 8, |
| } |
| }; |
| |
| static const unsigned int ts_shift[] = TS_SHIFT; |
| |
| static struct sh_dmae_pdata dma_platform_data = { |
| .slave = sh7372_dmae_slaves, |
| .slave_num = ARRAY_SIZE(sh7372_dmae_slaves), |
| .channel = sh7372_dmae_channels, |
| .channel_num = ARRAY_SIZE(sh7372_dmae_channels), |
| .ts_low_shift = 3, |
| .ts_low_mask = 0x18, |
| .ts_high_shift = (20 - 2), /* 2 bits for shifted low TS */ |
| .ts_high_mask = 0x00300000, |
| .ts_shift = ts_shift, |
| .ts_shift_num = ARRAY_SIZE(ts_shift), |
| .dmaor_init = DMAOR_DME, |
| }; |
| |
| /* Resource order important! */ |
| static struct resource sh7372_dmae0_resources[] = { |
| { |
| /* Channel registers and DMAOR */ |
| .start = 0xfe008020, |
| .end = 0xfe00808f, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| /* DMARSx */ |
| .start = 0xfe009000, |
| .end = 0xfe00900b, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| /* DMA error IRQ */ |
| .start = evt2irq(0x20c0), |
| .end = evt2irq(0x20c0), |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| /* IRQ for channels 0-5 */ |
| .start = evt2irq(0x2000), |
| .end = evt2irq(0x20a0), |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| /* Resource order important! */ |
| static struct resource sh7372_dmae1_resources[] = { |
| { |
| /* Channel registers and DMAOR */ |
| .start = 0xfe018020, |
| .end = 0xfe01808f, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| /* DMARSx */ |
| .start = 0xfe019000, |
| .end = 0xfe01900b, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| /* DMA error IRQ */ |
| .start = evt2irq(0x21c0), |
| .end = evt2irq(0x21c0), |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| /* IRQ for channels 0-5 */ |
| .start = evt2irq(0x2100), |
| .end = evt2irq(0x21a0), |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| /* Resource order important! */ |
| static struct resource sh7372_dmae2_resources[] = { |
| { |
| /* Channel registers and DMAOR */ |
| .start = 0xfe028020, |
| .end = 0xfe02808f, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| /* DMARSx */ |
| .start = 0xfe029000, |
| .end = 0xfe02900b, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| /* DMA error IRQ */ |
| .start = evt2irq(0x22c0), |
| .end = evt2irq(0x22c0), |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| /* IRQ for channels 0-5 */ |
| .start = evt2irq(0x2200), |
| .end = evt2irq(0x22a0), |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device dma0_device = { |
| .name = "sh-dma-engine", |
| .id = 0, |
| .resource = sh7372_dmae0_resources, |
| .num_resources = ARRAY_SIZE(sh7372_dmae0_resources), |
| .dev = { |
| .platform_data = &dma_platform_data, |
| }, |
| }; |
| |
| static struct platform_device dma1_device = { |
| .name = "sh-dma-engine", |
| .id = 1, |
| .resource = sh7372_dmae1_resources, |
| .num_resources = ARRAY_SIZE(sh7372_dmae1_resources), |
| .dev = { |
| .platform_data = &dma_platform_data, |
| }, |
| }; |
| |
| static struct platform_device dma2_device = { |
| .name = "sh-dma-engine", |
| .id = 2, |
| .resource = sh7372_dmae2_resources, |
| .num_resources = ARRAY_SIZE(sh7372_dmae2_resources), |
| .dev = { |
| .platform_data = &dma_platform_data, |
| }, |
| }; |
| |
| static struct platform_device *sh7372_early_devices[] __initdata = { |
| &scif0_device, |
| &scif1_device, |
| &scif2_device, |
| &scif3_device, |
| &scif4_device, |
| &scif5_device, |
| &scif6_device, |
| &cmt10_device, |
| &tmu00_device, |
| &tmu01_device, |
| }; |
| |
| static struct platform_device *sh7372_late_devices[] __initdata = { |
| &iic0_device, |
| &iic1_device, |
| &dma0_device, |
| &dma1_device, |
| &dma2_device, |
| }; |
| |
| void __init sh7372_add_standard_devices(void) |
| { |
| platform_add_devices(sh7372_early_devices, |
| ARRAY_SIZE(sh7372_early_devices)); |
| |
| platform_add_devices(sh7372_late_devices, |
| ARRAY_SIZE(sh7372_late_devices)); |
| } |
| |
| void __init sh7372_add_early_devices(void) |
| { |
| early_platform_add_devices(sh7372_early_devices, |
| ARRAY_SIZE(sh7372_early_devices)); |
| } |
