diff options
Diffstat (limited to 'arch/sh/kernel')
| -rw-r--r-- | arch/sh/kernel/cpu/sh3/Makefile | 2 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh3/probe.c | 3 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh3/setup-sh7720.c | 210 | ||||
| -rw-r--r-- | arch/sh/kernel/early_printk.c | 38 | ||||
| -rw-r--r-- | arch/sh/kernel/setup.c | 2 | ||||
| -rw-r--r-- | arch/sh/kernel/timers/timer-tmu.c | 3 |
6 files changed, 252 insertions, 6 deletions
diff --git a/arch/sh/kernel/cpu/sh3/Makefile b/arch/sh/kernel/cpu/sh3/Makefile index cd2a35270e3..646eb693361 100644 --- a/arch/sh/kernel/cpu/sh3/Makefile +++ b/arch/sh/kernel/cpu/sh3/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7708) += setup-sh770x.o obj-$(CONFIG_CPU_SUBTYPE_SH7709) += setup-sh770x.o obj-$(CONFIG_CPU_SUBTYPE_SH7710) += setup-sh7710.o obj-$(CONFIG_CPU_SUBTYPE_SH7712) += setup-sh7710.o +obj-$(CONFIG_CPU_SUBTYPE_SH7720) += setup-sh7720.o # Primary on-chip clocks (common) clock-$(CONFIG_CPU_SH3) := clock-sh3.o @@ -19,5 +20,6 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7705) := clock-sh7705.o clock-$(CONFIG_CPU_SUBTYPE_SH7706) := clock-sh7706.o clock-$(CONFIG_CPU_SUBTYPE_SH7709) := clock-sh7709.o clock-$(CONFIG_CPU_SUBTYPE_SH7710) := clock-sh7710.o +clock-$(CONFIG_CPU_SUBTYPE_SH7720) := clock-sh7710.o obj-y += $(clock-y) diff --git a/arch/sh/kernel/cpu/sh3/probe.c b/arch/sh/kernel/cpu/sh3/probe.c index 647623b22ed..1a66cf636a9 100644 --- a/arch/sh/kernel/cpu/sh3/probe.c +++ b/arch/sh/kernel/cpu/sh3/probe.c @@ -81,6 +81,9 @@ int __init detect_cpu_and_cache_system(void) #if defined(CONFIG_CPU_SUBTYPE_SH7712) current_cpu_data.type = CPU_SH7712; #endif +#if defined(CONFIG_CPU_SUBTYPE_SH7720) + current_cpu_data.type = CPU_SH7720; +#endif #if defined(CONFIG_CPU_SUBTYPE_SH7705) current_cpu_data.type = CPU_SH7705; diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7720.c b/arch/sh/kernel/cpu/sh3/setup-sh7720.c new file mode 100644 index 00000000000..a0929b8a95a --- /dev/null +++ b/arch/sh/kernel/cpu/sh3/setup-sh7720.c @@ -0,0 +1,210 @@ +/* + * SH7720 Setup + * + * Copyright (C) 2007 Markus Brunner, Mark Jonas + * + * Based on arch/sh/kernel/cpu/sh4/setup-sh7750.c: + * + * Copyright (C) 2006 Paul Mundt + * Copyright (C) 2006 Jamie Lenehan + * + * 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/io.h> +#include <asm/sci.h> +#include <asm/rtc.h> + +#define INTC_ICR1 0xA4140010UL +#define INTC_ICR_IRLM 0x4000 +#define INTC_ICR_IRQ (~INTC_ICR_IRLM) + +static struct resource rtc_resources[] = { + [0] = { + .start = 0xa413fec0, + .end = 0xa413fec0 + 0x28 - 1, + .flags = IORESOURCE_IO, + }, + [1] = { + /* Period IRQ */ + .start = 21, + .flags = IORESOURCE_IRQ, + }, + [2] = { + /* Carry IRQ */ + .start = 22, + .flags = IORESOURCE_IRQ, + }, + [3] = { + /* Alarm IRQ */ + .start = 20, + .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 sci_platform_data[] = { + { + .mapbase = 0xa4430000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 80, 80, 80, 80 }, + }, { + .mapbase = 0xa4438000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 81, 81, 81, 81 }, + }, { + + .flags = 0, + } +}; + +static struct platform_device sci_device = { + .name = "sh-sci", + .id = -1, + .dev = { + .platform_data = sci_platform_data, + }, +}; + +static struct platform_device *sh7720_devices[] __initdata = { + &rtc_device, + &sci_device, +}; + +static int __init sh7720_devices_setup(void) +{ + return platform_add_devices(sh7720_devices, + ARRAY_SIZE(sh7720_devices)); +} +__initcall(sh7720_devices_setup); + +enum { + UNUSED = 0, + + /* interrupt sources */ + TMU0, TMU1, TMU2, RTC_ATI, RTC_PRI, RTC_CUI, + WDT, REF_RCMI, SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEND, + IRQ0, IRQ1, IRQ2, IRQ3, + USBF_SPD, TMU_SUNI, IRQ5, IRQ4, + DMAC1_DEI0, DMAC1_DEI1, DMAC1_DEI2, DMAC1_DEI3, LCDC, SSL, + ADC, DMAC2_DEI4, DMAC2_DEI5, USBFI0, USBFI1, CMT, + SCIF0, SCIF1, + PINT07, PINT815, TPU0, TPU1, TPU2, TPU3, IIC, + SIOF0, SIOF1, MMCI0, MMCI1, MMCI2, MMCI3, PCC, + USBHI, AFEIF, + H_UDI, + /* interrupt groups */ + TMU, RTC, SIM, DMAC1, USBFI, DMAC2, USB, TPU, MMC, +}; + +static struct intc_vect vectors[] __initdata = { + INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420), + INTC_VECT(TMU2, 0x440), INTC_VECT(RTC_ATI, 0x480), + INTC_VECT(RTC_PRI, 0x4a0), INTC_VECT(RTC_CUI, 0x4c0), + INTC_VECT(SIM_ERI, 0x4e0), INTC_VECT(SIM_RXI, 0x500), + INTC_VECT(SIM_TXI, 0x520), INTC_VECT(SIM_TEND, 0x540), + INTC_VECT(WDT, 0x560), INTC_VECT(REF_RCMI, 0x580), + /* H_UDI cannot be masked */ INTC_VECT(TMU_SUNI, 0x6c0), + INTC_VECT(USBF_SPD, 0x6e0), INTC_VECT(DMAC1_DEI0, 0x800), + INTC_VECT(DMAC1_DEI1, 0x820), INTC_VECT(DMAC1_DEI2, 0x840), + INTC_VECT(DMAC1_DEI3, 0x860), INTC_VECT(LCDC, 0x900), + INTC_VECT(SSL, 0x980), INTC_VECT(USBFI0, 0xa20), + INTC_VECT(USBFI1, 0xa40), INTC_VECT(USBHI, 0xa60), + INTC_VECT(DMAC2_DEI4, 0xb80), INTC_VECT(DMAC2_DEI5, 0xba0), + INTC_VECT(ADC, 0xbe0), INTC_VECT(SCIF0, 0xc00), + INTC_VECT(SCIF1, 0xc20), INTC_VECT(PINT07, 0xc80), + INTC_VECT(PINT815, 0xca0), INTC_VECT(SIOF0, 0xd00), + INTC_VECT(SIOF1, 0xd20), INTC_VECT(TPU0, 0xd80), + INTC_VECT(TPU1, 0xda0), INTC_VECT(TPU2, 0xdc0), + INTC_VECT(TPU3, 0xde0), INTC_VECT(IIC, 0xe00), + INTC_VECT(MMCI0, 0xe80), INTC_VECT(MMCI1, 0xea0), + INTC_VECT(MMCI2, 0xec0), INTC_VECT(MMCI3, 0xee0), + INTC_VECT(CMT, 0xf00), INTC_VECT(PCC, 0xf60), + INTC_VECT(AFEIF, 0xfe0), +}; + +static struct intc_group groups[] __initdata = { + INTC_GROUP(TMU, TMU0, TMU1, TMU2), + INTC_GROUP(RTC, RTC_ATI, RTC_PRI, RTC_CUI), + INTC_GROUP(SIM, SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEND), + INTC_GROUP(DMAC1, DMAC1_DEI0, DMAC1_DEI1, DMAC1_DEI2, DMAC1_DEI3), + INTC_GROUP(USBFI, USBFI0, USBFI1), + INTC_GROUP(DMAC2, DMAC2_DEI4, DMAC2_DEI5), + INTC_GROUP(TPU, TPU0, TPU1, TPU2, TPU3), + INTC_GROUP(MMC, MMCI0, MMCI1, MMCI2, MMCI3), +}; + +static struct intc_prio priorities[] __initdata = { + INTC_PRIO(SCIF0, 2), + INTC_PRIO(SCIF1, 2), + INTC_PRIO(DMAC1, 1), + INTC_PRIO(DMAC2, 1), + INTC_PRIO(RTC, 2), + INTC_PRIO(TMU, 2), + INTC_PRIO(TPU, 2), +}; + +static struct intc_prio_reg prio_registers[] __initdata = { + { 0xA414FEE2UL, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } }, + { 0xA414FEE4UL, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, SIM, 0 } }, + { 0xA4140016UL, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } }, + { 0xA4140018UL, 0, 16, 4, /* IPRD */ { USBF_SPD, TMU_SUNI, IRQ5, IRQ4 } }, + { 0xA414001AUL, 0, 16, 4, /* IPRE */ { DMAC1, 0, LCDC, SSL } }, + { 0xA4080000UL, 0, 16, 4, /* IPRF */ { ADC, DMAC2, USBFI, CMT } }, + { 0xA4080002UL, 0, 16, 4, /* IPRG */ { SCIF0, SCIF1, 0, 0 } }, + { 0xA4080004UL, 0, 16, 4, /* IPRH */ { PINT07, PINT815, TPU, IIC } }, + { 0xA4080006UL, 0, 16, 4, /* IPRI */ { SIOF0, SIOF1, MMC, PCC } }, + { 0xA4080008UL, 0, 16, 4, /* IPRJ */ { 0, USBHI, 0, AFEIF } }, +}; + +static DECLARE_INTC_DESC(intc_desc, "sh7720", vectors, groups, + priorities, NULL, prio_registers, NULL); + +static struct intc_sense_reg sense_registers[] __initdata = { + { INTC_ICR1, 16, 2, { 0, 0, IRQ5, IRQ4, IRQ3, IRQ2, IRQ1, IRQ0 } }, +}; + +static struct intc_vect vectors_irq[] __initdata = { + INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620), + INTC_VECT(IRQ2, 0x640), INTC_VECT(IRQ3, 0x660), + INTC_VECT(IRQ4, 0x680), INTC_VECT(IRQ5, 0x6a0), +}; + +static DECLARE_INTC_DESC(intc_irq_desc, "sh7720-irq", vectors_irq, + NULL, priorities, NULL, prio_registers, sense_registers); + +void __init plat_irq_setup_pins(int mode) +{ + switch (mode) { + case IRQ_MODE_IRQ: + ctrl_outw(ctrl_inw(INTC_ICR1) & INTC_ICR_IRQ, INTC_ICR1); + register_intc_controller(&intc_irq_desc); + break; + default: + BUG(); + } +} + +void __init plat_irq_setup(void) +{ + register_intc_controller(&intc_desc); +} diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c index 80b637c3020..85ed5b7ef27 100644 --- a/arch/sh/kernel/early_printk.c +++ b/arch/sh/kernel/early_printk.c @@ -13,6 +13,7 @@ #include <linux/tty.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/delay.h> #ifdef CONFIG_SH_STANDARD_BIOS #include <asm/sh_bios.h> @@ -62,6 +63,18 @@ static struct console bios_console = { #include <linux/serial_core.h> #include "../../../drivers/serial/sh-sci.h" +#if defined(CONFIG_CPU_SUBTYPE_SH7720) +#define EPK_SCSMR_VALUE 0x000 +#define EPK_SCBRR_VALUE 0x00C +#define EPK_FIFO_SIZE 64 +#define EPK_FIFO_BITS (0x7f00 >> 8) +#else +#define EPK_FIFO_SIZE 16 +#define EPK_FIFO_BITS (0x1f00 >> 8) +#endif + + + static struct uart_port scif_port = { .mapbase = CONFIG_EARLY_SCIF_CONSOLE_PORT, .membase = (char __iomem *)CONFIG_EARLY_SCIF_CONSOLE_PORT, @@ -69,7 +82,7 @@ static struct uart_port scif_port = { static void scif_sercon_putc(int c) { - while (((sci_in(&scif_port, SCFDR) & 0x1f00 >> 8) == 16)) + while (((sci_in(&scif_port, SCFDR) & EPK_FIFO_BITS) >= EPK_FIFO_SIZE)) ; sci_out(&scif_port, SCxTDR, c); @@ -105,7 +118,22 @@ static struct console scif_console = { .index = -1, }; -#if defined(CONFIG_CPU_SH4) && !defined(CONFIG_SH_STANDARD_BIOS) +#if !defined(CONFIG_SH_STANDARD_BIOS) +#if defined(CONFIG_CPU_SUBTYPE_SH7720) +static void scif_sercon_init(char *s) +{ + sci_out(&scif_port, SCSCR, 0x0000); /* clear TE and RE */ + sci_out(&scif_port, SCFCR, 0x4006); /* reset */ + sci_out(&scif_port, SCSCR, 0x0000); /* select internal clock */ + sci_out(&scif_port, SCSMR, EPK_SCSMR_VALUE); + sci_out(&scif_port, SCBRR, EPK_SCBRR_VALUE); + + mdelay(1); /* wait 1-bit time */ + + sci_out(&scif_port, SCFCR, 0x0030); /* TTRG=b'11 */ + sci_out(&scif_port, SCSCR, 0x0030); /* TE, RE */ +} +#elif defined(CONFIG_CPU_SH4) #define DEFAULT_BAUD 115200 /* * Simple SCIF init, primarily aimed at SH7750 and other similar SH-4 @@ -146,7 +174,8 @@ static void scif_sercon_init(char *s) ctrl_outw(0, scif_port.mapbase + 36); ctrl_outw(0x30, scif_port.mapbase + 8); } -#endif /* CONFIG_CPU_SH4 && !CONFIG_SH_STANDARD_BIOS */ +#endif /* defined(CONFIG_CPU_SUBTYPE_SH7720) */ +#endif /* !defined(CONFIG_SH_STANDARD_BIOS) */ #endif /* CONFIG_EARLY_SCIF_CONSOLE */ /* @@ -186,7 +215,8 @@ int __init setup_early_printk(char *buf) if (!strncmp(buf, "serial", 6)) { early_console = &scif_console; -#if defined(CONFIG_CPU_SH4) && !defined(CONFIG_SH_STANDARD_BIOS) +#if (defined(CONFIG_CPU_SH4) || defined(CONFIG_CPU_SUBTYPE_SH7720)) && \ + !defined(CONFIG_SH_STANDARD_BIOS) scif_sercon_init(buf + 6); #endif } diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index 2cf7dec0d69..e0e655cba89 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -279,7 +279,7 @@ static const char *cpu_name[] = { [CPU_SH7705] = "SH7705", [CPU_SH7706] = "SH7706", [CPU_SH7707] = "SH7707", [CPU_SH7708] = "SH7708", [CPU_SH7709] = "SH7709", [CPU_SH7710] = "SH7710", - [CPU_SH7712] = "SH7712", + [CPU_SH7712] = "SH7712", [CPU_SH7720] = "SH7720", [CPU_SH7729] = "SH7729", [CPU_SH7750] = "SH7750", [CPU_SH7750S] = "SH7750S", [CPU_SH7750R] = "SH7750R", [CPU_SH7751] = "SH7751", [CPU_SH7751R] = "SH7751R", diff --git a/arch/sh/kernel/timers/timer-tmu.c b/arch/sh/kernel/timers/timer-tmu.c index 8a545d54e2d..628ec9a15e3 100644 --- a/arch/sh/kernel/timers/timer-tmu.c +++ b/arch/sh/kernel/timers/timer-tmu.c @@ -173,7 +173,8 @@ static int tmu_timer_init(void) tmu_timer_stop(); -#if !defined(CONFIG_CPU_SUBTYPE_SH7760) && \ +#if !defined(CONFIG_CPU_SUBTYPE_SH7720) && \ + !defined(CONFIG_CPU_SUBTYPE_SH7760) && \ !defined(CONFIG_CPU_SUBTYPE_SH7785) && \ !defined(CONFIG_CPU_SUBTYPE_SHX3) ctrl_outb(TMU_TOCR_INIT, TMU_TOCR); |