diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-shmobile/Kconfig | 10 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/board-marzen.c | 110 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/clock-r8a7779.c | 105 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/include/mach/common.h | 5 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/include/mach/r8a7779.h | 6 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/intc-r8a7779.c | 58 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a7779.c | 231 |
8 files changed, 527 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index aa63c96..23e59b4 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -34,6 +34,12 @@ config ARCH_R8A7740 select SH_CLK_CPG select ARCH_WANT_OPTIONAL_GPIOLIB +config ARCH_R8A7779 + bool "R-Car H1 (R8A77790)" + select CPU_V7 + select SH_CLK_CPG + select ARM_GIC + comment "SH-Mobile Board Type" config MACH_G3EVM @@ -81,6 +87,10 @@ config MACH_KOTA2 select ARCH_REQUIRE_GPIOLIB depends on ARCH_SH73A0 +config MACH_MARZEN + bool "MARZEN board" + depends on ARCH_R8A7779 + comment "SH-Mobile System Configuration" menu "Memory configuration" diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile index 83e35f2..04c9745 100644 --- a/arch/arm/mach-shmobile/Makefile +++ b/arch/arm/mach-shmobile/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_ARCH_SH7377) += setup-sh7377.o clock-sh7377.o intc-sh7377.o obj-$(CONFIG_ARCH_SH7372) += setup-sh7372.o clock-sh7372.o intc-sh7372.o obj-$(CONFIG_ARCH_SH73A0) += setup-sh73a0.o clock-sh73a0.o intc-sh73a0.o obj-$(CONFIG_ARCH_R8A7740) += setup-r8a7740.o clock-r8a7740.o intc-r8a7740.o +obj-$(CONFIG_ARCH_R8A7779) += setup-r8a7779.o clock-r8a7779.o intc-r8a7779.o # SMP objects smp-y := platsmp.o headsmp.o @@ -44,6 +45,7 @@ obj-$(CONFIG_MACH_AP4EVB) += board-ap4evb.o obj-$(CONFIG_MACH_AG5EVM) += board-ag5evm.o obj-$(CONFIG_MACH_MACKEREL) += board-mackerel.o obj-$(CONFIG_MACH_KOTA2) += board-kota2.o +obj-$(CONFIG_MACH_MARZEN) += board-marzen.o # Framework support obj-$(CONFIG_SMP) += $(smp-y) diff --git a/arch/arm/mach-shmobile/board-marzen.c b/arch/arm/mach-shmobile/board-marzen.c new file mode 100644 index 0000000..d958cd4 --- /dev/null +++ b/arch/arm/mach-shmobile/board-marzen.c @@ -0,0 +1,110 @@ +/* + * marzen board support + * + * Copyright (C) 2011 Renesas Solutions Corp. + * Copyright (C) 2011 Magnus Damm + * + * 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/io.h> +#include <linux/dma-mapping.h> +#include <mach/hardware.h> +#include <mach/r8a7779.h> +#include <mach/common.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/time.h> +#include <asm/hardware/gic.h> +#include <asm/traps.h> + +static struct platform_device *marzen_devices[] __initdata = { +}; + +static struct map_desc marzen_io_desc[] __initdata = { + /* 2M entity map for 0xf0000000 (MPCORE) */ + { + .virtual = 0xf0000000, + .pfn = __phys_to_pfn(0xf0000000), + .length = SZ_2M, + .type = MT_DEVICE_NONSHARED + }, + /* 16M entity map for 0xfexxxxxx (DMAC-S/HPBREG/INTC2/LRAM/DBSC) */ + { + .virtual = 0xfe000000, + .pfn = __phys_to_pfn(0xfe000000), + .length = SZ_16M, + .type = MT_DEVICE_NONSHARED + }, +}; + +static void __init marzen_map_io(void) +{ + iotable_init(marzen_io_desc, ARRAY_SIZE(marzen_io_desc)); +} + +static void __init marzen_init_early(void) +{ + r8a7779_add_early_devices(); + + /* Early serial console setup is not included here due to + * memory map collisions. The SCIF serial ports in r8a7779 + * are difficult to entity map 1:1 due to collision with the + * virtual memory range used by the coherent DMA code on ARM. + * + * Anyone wanting to debug early can remove UPF_IOREMAP from + * the sh-sci serial console platform data, adjust mapbase + * to a static M:N virt:phys mapping that needs to be added to + * the mappings passed with iotable_init() above. + * + * Then add a call to shmobile_setup_console() from this function. + * + * As a final step pass earlyprint=sh-sci.2,115200 on the kernel + * command line. + */ +} + +static void __init marzen_init(void) +{ + r8a7779_add_standard_devices(); + platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices)); +} + +static void __init marzen_timer_init(void) +{ + r8a7779_clock_init(); + shmobile_timer.init(); + return; +} + +struct sys_timer marzen_timer = { + .init = marzen_timer_init, +}; + +MACHINE_START(MARZEN, "marzen") + .map_io = marzen_map_io, + .init_early = marzen_init_early, + .nr_irqs = NR_IRQS_LEGACY, + .init_irq = r8a7779_init_irq, + .handle_irq = shmobile_handle_irq_gic, + .init_machine = marzen_init, + .timer = &marzen_timer, +MACHINE_END diff --git a/arch/arm/mach-shmobile/clock-r8a7779.c b/arch/arm/mach-shmobile/clock-r8a7779.c new file mode 100644 index 0000000..8a90106 --- /dev/null +++ b/arch/arm/mach-shmobile/clock-r8a7779.c @@ -0,0 +1,105 @@ +/* + * r8a7779 clock framework support + * + * Copyright (C) 2011 Renesas Solutions Corp. + * Copyright (C) 2011 Magnus Damm + * + * 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; either 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/io.h> +#include <linux/sh_clk.h> +#include <linux/clkdev.h> +#include <mach/common.h> + +#define FRQMR 0xffc80014 +#define MSTPCR0 0xffc80030 +#define MSTPCR1 0xffc80034 +#define MSTPCR3 0xffc8003c +#define MSTPSR1 0xffc80044 +#define MSTPSR4 0xffc80048 +#define MSTPSR6 0xffc8004c +#define MSTPCR4 0xffc80050 +#define MSTPCR5 0xffc80054 +#define MSTPCR6 0xffc80058 +#define MSTPCR7 0xffc80040 + +/* ioremap() through clock mapping mandatory to avoid + * collision with ARM coherent DMA virtual memory range. + */ + +static struct clk_mapping cpg_mapping = { + .phys = 0xffc80000, + .len = 0x80, +}; + +static struct clk clkp = { + .rate = 62500000, /* FIXME: shortcut */ + .flags = CLK_ENABLE_ON_INIT, + .mapping = &cpg_mapping, +}; + +static struct clk *main_clks[] = { + &clkp, +}; + +enum { MSTP026, MSTP025, MSTP024, MSTP023, MSTP022, MSTP021, + MSTP016, MSTP015, MSTP014, + MSTP_NR }; + +#define MSTP(_parent, _reg, _bit, _flags) \ + SH_CLK_MSTP32(_parent, _reg, _bit, _flags) + +static struct clk mstp_clks[MSTP_NR] = { + [MSTP026] = MSTP(&clkp, MSTPCR0, 26, 0), /* SCIF0 */ + [MSTP025] = MSTP(&clkp, MSTPCR0, 25, 0), /* SCIF1 */ + [MSTP024] = MSTP(&clkp, MSTPCR0, 24, 0), /* SCIF2 */ + [MSTP023] = MSTP(&clkp, MSTPCR0, 23, 0), /* SCIF3 */ + [MSTP022] = MSTP(&clkp, MSTPCR0, 22, 0), /* SCIF4 */ + [MSTP021] = MSTP(&clkp, MSTPCR0, 21, 0), /* SCIF5 */ + [MSTP016] = MSTP(&clkp, MSTPCR0, 16, 0), /* TMU0 */ + [MSTP015] = MSTP(&clkp, MSTPCR0, 15, 0), /* TMU1 */ + [MSTP014] = MSTP(&clkp, MSTPCR0, 14, 0), /* TMU2 */ +}; + +static struct clk_lookup lookups[] = { + /* MSTP32 clocks */ + CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP016]), /* TMU00 */ + CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP016]), /* TMU01 */ + CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP026]), /* SCIF0 */ + CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP025]), /* SCIF1 */ + CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP024]), /* SCIF2 */ + CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP023]), /* SCIF3 */ + CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP022]), /* SCIF4 */ + CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP021]), /* SCIF6 */ +}; + +void __init r8a7779_clock_init(void) +{ + int k, ret = 0; + + for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) + ret = clk_register(main_clks[k]); + + if (!ret) + ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); + + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); + + if (!ret) + clk_init(); + else + panic("failed to setup r8a7779 clocks\n"); +} diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h index c2ed19b..ba889ed 100644 --- a/arch/arm/mach-shmobile/include/mach/common.h +++ b/arch/arm/mach-shmobile/include/mach/common.h @@ -60,4 +60,9 @@ extern void r8a7740_add_standard_devices(void); extern void r8a7740_clock_init(u8 md_ck); extern void r8a7740_pinmux_init(void); +extern void r8a7779_init_irq(void); +extern void r8a7779_add_early_devices(void); +extern void r8a7779_add_standard_devices(void); +extern void r8a7779_clock_init(void); + #endif /* __ARCH_MACH_COMMON_H */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a7779.h b/arch/arm/mach-shmobile/include/mach/r8a7779.h new file mode 100644 index 0000000..17d9448 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/r8a7779.h @@ -0,0 +1,6 @@ +#ifndef __ASM_R8A7779_H__ +#define __ASM_R8A7779_H__ + +/* Nothing at this point */ + +#endif /* __ASM_R8A7779_H__ */ diff --git a/arch/arm/mach-shmobile/intc-r8a7779.c b/arch/arm/mach-shmobile/intc-r8a7779.c new file mode 100644 index 0000000..5d92fcd --- /dev/null +++ b/arch/arm/mach-shmobile/intc-r8a7779.c @@ -0,0 +1,58 @@ +/* + * r8a7779 processor support - INTC hardware block + * + * Copyright (C) 2011 Renesas Solutions Corp. + * Copyright (C) 2011 Magnus Damm + * + * 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/io.h> +#include <mach/common.h> +#include <mach/intc.h> +#include <mach/r8a7779.h> +#include <asm/hardware/gic.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#define INT2SMSKCR0 0xfe7822a0 +#define INT2SMSKCR1 0xfe7822a4 +#define INT2SMSKCR2 0xfe7822a8 +#define INT2SMSKCR3 0xfe7822ac +#define INT2SMSKCR4 0xfe7822b0 + +static int r8a7779_set_wake(struct irq_data *data, unsigned int on) +{ + return 0; /* always allow wakeup */ +} + +void __init r8a7779_init_irq(void) +{ + void __iomem *gic_dist_base = __io(0xf0001000); + void __iomem *gic_cpu_base = __io(0xf0000100); + + /* use GIC to handle interrupts */ + gic_init(0, 29, gic_dist_base, gic_cpu_base); + gic_arch_extn.irq_set_wake = r8a7779_set_wake; + + /* unmask all known interrupts in INTCS2 */ + __raw_writel(0xfffffff0, INT2SMSKCR0); + __raw_writel(0xfff7ffff, INT2SMSKCR1); + __raw_writel(0xfffbffdf, INT2SMSKCR2); + __raw_writel(0xbffffffc, INT2SMSKCR3); + __raw_writel(0x003fee3f, INT2SMSKCR4); +} diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c new file mode 100644 index 0000000..b48a4b0 --- /dev/null +++ b/arch/arm/mach-shmobile/setup-r8a7779.c @@ -0,0 +1,231 @@ +/* + * r8a7779 processor support + * + * Copyright (C) 2011 Renesas Solutions Corp. + * Copyright (C) 2011 Magnus Damm + * + * 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_intc.h> +#include <linux/sh_timer.h> +#include <mach/hardware.h> +#include <mach/r8a7779.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +static struct plat_sci_port scif0_platform_data = { + .mapbase = 0xffe40000, + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, + .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, + .scbrr_algo_id = SCBRR_ALGO_2, + .type = PORT_SCIF, + .irqs = { gic_spi(88), gic_spi(88), + gic_spi(88), gic_spi(88) }, +}; + +static struct platform_device scif0_device = { + .name = "sh-sci", + .id = 0, + .dev = { + .platform_data = &scif0_platform_data, + }, +}; + +static struct plat_sci_port scif1_platform_data = { + .mapbase = 0xffe41000, + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, + .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, + .scbrr_algo_id = SCBRR_ALGO_2, + .type = PORT_SCIF, + .irqs = { gic_spi(89), gic_spi(89), + gic_spi(89), gic_spi(89) }, +}; + +static struct platform_device scif1_device = { + .name = "sh-sci", + .id = 1, + .dev = { + .platform_data = &scif1_platform_data, + }, +}; + +static struct plat_sci_port scif2_platform_data = { + .mapbase = 0xffe42000, + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, + .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, + .scbrr_algo_id = SCBRR_ALGO_2, + .type = PORT_SCIF, + .irqs = { gic_spi(90), gic_spi(90), + gic_spi(90), gic_spi(90) }, +}; + +static struct platform_device scif2_device = { + .name = "sh-sci", + .id = 2, + .dev = { + .platform_data = &scif2_platform_data, + }, +}; + +static struct plat_sci_port scif3_platform_data = { + .mapbase = 0xffe43000, + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, + .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, + .scbrr_algo_id = SCBRR_ALGO_2, + .type = PORT_SCIF, + .irqs = { gic_spi(91), gic_spi(91), + gic_spi(91), gic_spi(91) }, +}; + +static struct platform_device scif3_device = { + .name = "sh-sci", + .id = 3, + .dev = { + .platform_data = &scif3_platform_data, + }, +}; + +static struct plat_sci_port scif4_platform_data = { + .mapbase = 0xffe44000, + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, + .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, + .scbrr_algo_id = SCBRR_ALGO_2, + .type = PORT_SCIF, + .irqs = { gic_spi(92), gic_spi(92), + gic_spi(92), gic_spi(92) }, +}; + +static struct platform_device scif4_device = { + .name = "sh-sci", + .id = 4, + .dev = { + .platform_data = &scif4_platform_data, + }, +}; + +static struct plat_sci_port scif5_platform_data = { + .mapbase = 0xffe45000, + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, + .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, + .scbrr_algo_id = SCBRR_ALGO_2, + .type = PORT_SCIF, + .irqs = { gic_spi(93), gic_spi(93), + gic_spi(93), gic_spi(93) }, +}; + +static struct platform_device scif5_device = { + .name = "sh-sci", + .id = 5, + .dev = { + .platform_data = &scif5_platform_data, + }, +}; + +/* 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 = 0xffd80008, + .end = 0xffd80013, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(32), + .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 = 0xffd80014, + .end = 0xffd8001f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(33), + .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 platform_device *r8a7779_early_devices[] __initdata = { + &scif0_device, + &scif1_device, + &scif2_device, + &scif3_device, + &scif4_device, + &scif5_device, + &tmu00_device, + &tmu01_device, +}; + +static struct platform_device *r8a7779_late_devices[] __initdata = { +}; + +void __init r8a7779_add_standard_devices(void) +{ + platform_add_devices(r8a7779_early_devices, + ARRAY_SIZE(r8a7779_early_devices)); + platform_add_devices(r8a7779_late_devices, + ARRAY_SIZE(r8a7779_late_devices)); +} + +void __init r8a7779_add_early_devices(void) +{ + early_platform_add_devices(r8a7779_early_devices, + ARRAY_SIZE(r8a7779_early_devices)); +} |
