| /* |
| * SH7760 Setup |
| * |
| * Copyright (C) 2006 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/sh_timer.h> |
| #include <linux/sh_intc.h> |
| #include <linux/serial_sci.h> |
| #include <linux/io.h> |
| |
| enum { |
| UNUSED = 0, |
| |
| /* interrupt sources */ |
| IRL0, IRL1, IRL2, IRL3, |
| HUDI, GPIOI, DMAC, |
| IRQ4, IRQ5, IRQ6, IRQ7, |
| HCAN20, HCAN21, |
| SSI0, SSI1, |
| HAC0, HAC1, |
| I2C0, I2C1, |
| USB, LCDC, |
| DMABRG0, DMABRG1, DMABRG2, |
| SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI, |
| SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI, |
| SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI, |
| SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI, |
| HSPI, |
| MMCIF0, MMCIF1, MMCIF2, MMCIF3, |
| MFI, ADC, CMT, |
| TMU0, TMU1, TMU2, |
| WDT, REF, |
| |
| /* interrupt groups */ |
| DMABRG, SCIF0, SCIF1, SCIF2, SIM, MMCIF, |
| }; |
| |
| static struct intc_vect vectors[] __initdata = { |
| INTC_VECT(HUDI, 0x600), INTC_VECT(GPIOI, 0x620), |
| INTC_VECT(DMAC, 0x640), INTC_VECT(DMAC, 0x660), |
| INTC_VECT(DMAC, 0x680), INTC_VECT(DMAC, 0x6a0), |
| INTC_VECT(DMAC, 0x780), INTC_VECT(DMAC, 0x7a0), |
| INTC_VECT(DMAC, 0x7c0), INTC_VECT(DMAC, 0x7e0), |
| INTC_VECT(DMAC, 0x6c0), |
| INTC_VECT(IRQ4, 0x800), INTC_VECT(IRQ5, 0x820), |
| INTC_VECT(IRQ6, 0x840), INTC_VECT(IRQ6, 0x860), |
| INTC_VECT(HCAN20, 0x900), INTC_VECT(HCAN21, 0x920), |
| INTC_VECT(SSI0, 0x940), INTC_VECT(SSI1, 0x960), |
| INTC_VECT(HAC0, 0x980), INTC_VECT(HAC1, 0x9a0), |
| INTC_VECT(I2C0, 0x9c0), INTC_VECT(I2C1, 0x9e0), |
| INTC_VECT(USB, 0xa00), INTC_VECT(LCDC, 0xa20), |
| INTC_VECT(DMABRG0, 0xa80), INTC_VECT(DMABRG1, 0xaa0), |
| INTC_VECT(DMABRG2, 0xac0), |
| INTC_VECT(SCIF0_ERI, 0x880), INTC_VECT(SCIF0_RXI, 0x8a0), |
| INTC_VECT(SCIF0_BRI, 0x8c0), INTC_VECT(SCIF0_TXI, 0x8e0), |
| INTC_VECT(SCIF1_ERI, 0xb00), INTC_VECT(SCIF1_RXI, 0xb20), |
| INTC_VECT(SCIF1_BRI, 0xb40), INTC_VECT(SCIF1_TXI, 0xb60), |
| INTC_VECT(SCIF2_ERI, 0xb80), INTC_VECT(SCIF2_RXI, 0xba0), |
| INTC_VECT(SCIF2_BRI, 0xbc0), INTC_VECT(SCIF2_TXI, 0xbe0), |
| INTC_VECT(SIM_ERI, 0xc00), INTC_VECT(SIM_RXI, 0xc20), |
| INTC_VECT(SIM_TXI, 0xc40), INTC_VECT(SIM_TEI, 0xc60), |
| INTC_VECT(HSPI, 0xc80), |
| INTC_VECT(MMCIF0, 0xd00), INTC_VECT(MMCIF1, 0xd20), |
| INTC_VECT(MMCIF2, 0xd40), INTC_VECT(MMCIF3, 0xd60), |
| INTC_VECT(MFI, 0xe80), /* 0xf80 according to data sheet */ |
| INTC_VECT(ADC, 0xf80), INTC_VECT(CMT, 0xfa0), |
| INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420), |
| INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460), |
| INTC_VECT(WDT, 0x560), |
| INTC_VECT(REF, 0x580), INTC_VECT(REF, 0x5a0), |
| }; |
| |
| static struct intc_group groups[] __initdata = { |
| INTC_GROUP(DMABRG, DMABRG0, DMABRG1, DMABRG2), |
| INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI), |
| INTC_GROUP(SCIF1, SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI), |
| INTC_GROUP(SCIF2, SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI), |
| INTC_GROUP(SIM, SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI), |
| INTC_GROUP(MMCIF, MMCIF0, MMCIF1, MMCIF2, MMCIF3), |
| }; |
| |
| static struct intc_mask_reg mask_registers[] __initdata = { |
| { 0xfe080040, 0xfe080060, 32, /* INTMSK00 / INTMSKCLR00 */ |
| { IRQ4, IRQ5, IRQ6, IRQ7, 0, 0, HCAN20, HCAN21, |
| SSI0, SSI1, HAC0, HAC1, I2C0, I2C1, USB, LCDC, |
| 0, DMABRG0, DMABRG1, DMABRG2, |
| SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI, |
| SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI, |
| SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI, } }, |
| { 0xfe080044, 0xfe080064, 32, /* INTMSK04 / INTMSKCLR04 */ |
| { 0, 0, 0, 0, 0, 0, 0, 0, |
| SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI, |
| HSPI, MMCIF0, MMCIF1, MMCIF2, |
| MMCIF3, 0, 0, 0, 0, 0, 0, 0, |
| 0, MFI, 0, 0, 0, 0, ADC, CMT, } }, |
| }; |
| |
| static struct intc_prio_reg prio_registers[] __initdata = { |
| { 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2 } }, |
| { 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, REF, 0, 0 } }, |
| { 0xffd0000c, 0, 16, 4, /* IPRC */ { GPIOI, DMAC, 0, HUDI } }, |
| { 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } }, |
| { 0xfe080000, 0, 32, 4, /* INTPRI00 */ { IRQ4, IRQ5, IRQ6, IRQ7 } }, |
| { 0xfe080004, 0, 32, 4, /* INTPRI04 */ { HCAN20, HCAN21, SSI0, SSI1, |
| HAC0, HAC1, I2C0, I2C1 } }, |
| { 0xfe080008, 0, 32, 4, /* INTPRI08 */ { USB, LCDC, DMABRG, SCIF0, |
| SCIF1, SCIF2, SIM, HSPI } }, |
| { 0xfe08000c, 0, 32, 4, /* INTPRI0C */ { 0, 0, MMCIF, 0, |
| MFI, 0, ADC, CMT } }, |
| }; |
| |
| static DECLARE_INTC_DESC(intc_desc, "sh7760", vectors, groups, |
| mask_registers, prio_registers, NULL); |
| |
| static struct intc_vect vectors_irq[] __initdata = { |
| INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0), |
| INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360), |
| }; |
| |
| static DECLARE_INTC_DESC(intc_desc_irq, "sh7760-irq", vectors_irq, groups, |
| mask_registers, prio_registers, NULL); |
| |
| static struct plat_sci_port scif0_platform_data = { |
| .scscr = SCSCR_REIE, |
| .type = PORT_SCIF, |
| .regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE, |
| }; |
| |
| static struct resource scif0_resources[] = { |
| DEFINE_RES_MEM(0xfe600000, 0x100), |
| DEFINE_RES_IRQ(evt2irq(0x880)), |
| DEFINE_RES_IRQ(evt2irq(0x8a0)), |
| DEFINE_RES_IRQ(evt2irq(0x8e0)), |
| 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 = { |
| .type = PORT_SCIF, |
| .scscr = SCSCR_REIE, |
| .regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE, |
| }; |
| |
| static struct resource scif1_resources[] = { |
| DEFINE_RES_MEM(0xfe610000, 0x100), |
| DEFINE_RES_IRQ(evt2irq(0xb00)), |
| DEFINE_RES_IRQ(evt2irq(0xb20)), |
| DEFINE_RES_IRQ(evt2irq(0xb60)), |
| DEFINE_RES_IRQ(evt2irq(0xb40)), |
| }; |
| |
| 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_FIFODATA_REGTYPE, |
| }; |
| |
| static struct resource scif2_resources[] = { |
| DEFINE_RES_MEM(0xfe620000, 0x100), |
| DEFINE_RES_IRQ(evt2irq(0xb80)), |
| DEFINE_RES_IRQ(evt2irq(0xba0)), |
| DEFINE_RES_IRQ(evt2irq(0xbe0)), |
| DEFINE_RES_IRQ(evt2irq(0xbc0)), |
| }; |
| |
| 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 = { |
| /* |
| * This is actually a SIM card module serial port, based on an SCI with |
| * additional registers. The sh-sci driver doesn't support the SIM port |
| * type, declare it as a SCI. Don't declare the additional registers in |
| * the memory resource or the driver will compute an incorrect regshift |
| * value. |
| */ |
| .type = PORT_SCI, |
| }; |
| |
| static struct resource scif3_resources[] = { |
| DEFINE_RES_MEM(0xfe480000, 0x10), |
| DEFINE_RES_IRQ(evt2irq(0xc00)), |
| DEFINE_RES_IRQ(evt2irq(0xc20)), |
| DEFINE_RES_IRQ(evt2irq(0xc40)), |
| }; |
| |
| 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 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 platform_device *sh7760_devices[] __initdata = { |
| &scif0_device, |
| &scif1_device, |
| &scif2_device, |
| &scif3_device, |
| &tmu0_device, |
| }; |
| |
| static int __init sh7760_devices_setup(void) |
| { |
| return platform_add_devices(sh7760_devices, |
| ARRAY_SIZE(sh7760_devices)); |
| } |
| arch_initcall(sh7760_devices_setup); |
| |
| static struct platform_device *sh7760_early_devices[] __initdata = { |
| &scif0_device, |
| &scif1_device, |
| &scif2_device, |
| &scif3_device, |
| &tmu0_device, |
| }; |
| |
| void __init plat_early_device_setup(void) |
| { |
| early_platform_add_devices(sh7760_early_devices, |
| ARRAY_SIZE(sh7760_early_devices)); |
| } |
| |
| #define INTC_ICR 0xffd00000UL |
| #define INTC_ICR_IRLM (1 << 7) |
| |
| void __init plat_irq_setup_pins(int mode) |
| { |
| switch (mode) { |
| case IRQ_MODE_IRQ: |
| __raw_writew(__raw_readw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR); |
| register_intc_controller(&intc_desc_irq); |
| break; |
| default: |
| BUG(); |
| } |
| } |
| |
| void __init plat_irq_setup(void) |
| { |
| register_intc_controller(&intc_desc); |
| } |
