diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/sh/kernel/cpu/sh3/setup-sh7710.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7710.c b/arch/sh/kernel/cpu/sh3/setup-sh7710.c new file mode 100644 index 000000000..381910761 --- /dev/null +++ b/arch/sh/kernel/cpu/sh3/setup-sh7710.c @@ -0,0 +1,189 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * SH3 Setup code for SH7710, SH7712 + * + * Copyright (C) 2006 - 2009 Paul Mundt + * Copyright (C) 2007 Nobuhiro Iwamatsu + */ +#include <linux/platform_device.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/serial.h> +#include <linux/serial_sci.h> +#include <linux/sh_timer.h> +#include <linux/sh_intc.h> +#include <asm/rtc.h> +#include <asm/platform_early.h> + +enum { + UNUSED = 0, + + /* interrupt sources */ + IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, + DMAC1, SCIF0, SCIF1, DMAC2, IPSEC, + EDMAC0, EDMAC1, EDMAC2, + SIOF0, SIOF1, + + TMU0, TMU1, TMU2, + RTC, WDT, REF, +}; + +static struct intc_vect vectors[] __initdata = { + /* IRQ0->5 are handled in setup-sh3.c */ + INTC_VECT(DMAC1, 0x800), INTC_VECT(DMAC1, 0x820), + INTC_VECT(DMAC1, 0x840), INTC_VECT(DMAC1, 0x860), + INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0), + INTC_VECT(SCIF0, 0x8c0), INTC_VECT(SCIF0, 0x8e0), + INTC_VECT(SCIF1, 0x900), INTC_VECT(SCIF1, 0x920), + INTC_VECT(SCIF1, 0x940), INTC_VECT(SCIF1, 0x960), + INTC_VECT(DMAC2, 0xb80), INTC_VECT(DMAC2, 0xba0), +#ifdef CONFIG_CPU_SUBTYPE_SH7710 + INTC_VECT(IPSEC, 0xbe0), +#endif + INTC_VECT(EDMAC0, 0xc00), INTC_VECT(EDMAC1, 0xc20), + INTC_VECT(EDMAC2, 0xc40), + INTC_VECT(SIOF0, 0xe00), INTC_VECT(SIOF0, 0xe20), + INTC_VECT(SIOF0, 0xe40), INTC_VECT(SIOF0, 0xe60), + INTC_VECT(SIOF1, 0xe80), INTC_VECT(SIOF1, 0xea0), + INTC_VECT(SIOF1, 0xec0), INTC_VECT(SIOF1, 0xee0), + INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420), + INTC_VECT(TMU2, 0x440), + INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0), + INTC_VECT(RTC, 0x4c0), + INTC_VECT(WDT, 0x560), + INTC_VECT(REF, 0x580), +}; + +static struct intc_prio_reg prio_registers[] __initdata = { + { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } }, + { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF, 0, 0 } }, + { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } }, + { 0xa4000018, 0, 16, 4, /* IPRD */ { 0, 0, IRQ5, IRQ4 } }, + { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC1, SCIF0, SCIF1 } }, + { 0xa4080000, 0, 16, 4, /* IPRF */ { IPSEC, DMAC2 } }, + { 0xa4080002, 0, 16, 4, /* IPRG */ { EDMAC0, EDMAC1, EDMAC2 } }, + { 0xa4080004, 0, 16, 4, /* IPRH */ { 0, 0, 0, SIOF0 } }, + { 0xa4080006, 0, 16, 4, /* IPRI */ { 0, 0, SIOF1 } }, +}; + +static DECLARE_INTC_DESC(intc_desc, "sh7710", vectors, NULL, + NULL, prio_registers, NULL); + +static struct resource rtc_resources[] = { + [0] = { + .start = 0xa413fec0, + .end = 0xa413fec0 + 0x1e, + .flags = IORESOURCE_IO, + }, + [1] = { + .start = evt2irq(0x480), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct sh_rtc_platform_info rtc_info = { + .capabilities = RTC_CAP_4_DIGIT_YEAR, +}; + +static struct platform_device rtc_device = { + .name = "sh-rtc", + .id = -1, + .num_resources = ARRAY_SIZE(rtc_resources), + .resource = rtc_resources, + .dev = { + .platform_data = &rtc_info, + }, +}; + +static struct plat_sci_port scif0_platform_data = { + .scscr = SCSCR_REIE | SCSCR_CKE1, + .type = PORT_SCIF, +}; + +static struct resource scif0_resources[] = { + DEFINE_RES_MEM(0xa4400000, 0x100), + DEFINE_RES_IRQ(evt2irq(0x880)), +}; + +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 | SCSCR_CKE1, + .type = PORT_SCIF, +}; + +static struct resource scif1_resources[] = { + DEFINE_RES_MEM(0xa4410000, 0x100), + DEFINE_RES_IRQ(evt2irq(0x900)), +}; + +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 sh_timer_config tmu0_platform_data = { + .channels_mask = 7, +}; + +static struct resource tmu0_resources[] = { + DEFINE_RES_MEM(0xa412fe90, 0x28), + DEFINE_RES_IRQ(evt2irq(0x400)), + DEFINE_RES_IRQ(evt2irq(0x420)), + DEFINE_RES_IRQ(evt2irq(0x440)), +}; + +static struct platform_device tmu0_device = { + .name = "sh-tmu-sh3", + .id = 0, + .dev = { + .platform_data = &tmu0_platform_data, + }, + .resource = tmu0_resources, + .num_resources = ARRAY_SIZE(tmu0_resources), +}; + +static struct platform_device *sh7710_devices[] __initdata = { + &scif0_device, + &scif1_device, + &tmu0_device, + &rtc_device, +}; + +static int __init sh7710_devices_setup(void) +{ + return platform_add_devices(sh7710_devices, + ARRAY_SIZE(sh7710_devices)); +} +arch_initcall(sh7710_devices_setup); + +static struct platform_device *sh7710_early_devices[] __initdata = { + &scif0_device, + &scif1_device, + &tmu0_device, +}; + +void __init plat_early_device_setup(void) +{ + sh_early_platform_add_devices(sh7710_early_devices, + ARRAY_SIZE(sh7710_early_devices)); +} + +void __init plat_irq_setup(void) +{ + register_intc_controller(&intc_desc); + plat_irq_setup_sh3(); +} |