From 2ad699080bbe3a88d17a1ff11e5575b76850174f Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Thu, 13 Mar 2008 12:52:44 +0900 Subject: [PATCH] sh: Initial support for the MX-G CPU. Signed-off-by: Paul Mundt --- arch/sh/Kconfig | 11 +- arch/sh/Kconfig.debug | 13 ++- arch/sh/kernel/cpu/sh2a/Makefile | 7 +- arch/sh/kernel/cpu/sh2a/probe.c | 3 + arch/sh/kernel/cpu/sh2a/setup-mxg.c | 168 ++++++++++++++++++++++++++++ arch/sh/kernel/setup.c | 1 + include/asm-sh/bugs.h | 2 +- include/asm-sh/processor.h | 2 +- 8 files changed, 194 insertions(+), 13 deletions(-) create mode 100644 arch/sh/kernel/cpu/sh2a/setup-mxg.c diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 8d2cd1de57..5b94cacc7d 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -167,6 +167,12 @@ config CPU_SUBTYPE_SH7263 select CPU_SH2A select CPU_HAS_FPU +config CPU_SUBTYPE_MXG + bool "Support MX-G processor" + select CPU_SH2A + help + Select MX-G if running on an R8A03022BG part. + # SH-3 Processor Support config CPU_SUBTYPE_SH7705 @@ -560,7 +566,7 @@ config SH_TMU config SH_CMT def_bool y prompt "CMT timer support" - depends on CPU_SH2 + depends on CPU_SH2 && !CPU_SUBTYPE_MXG help This enables the use of the CMT as the system timer. @@ -578,6 +584,7 @@ config SH_TIMER_IRQ default "86" if CPU_SUBTYPE_SH7619 default "140" if CPU_SUBTYPE_SH7206 default "142" if CPU_SUBTYPE_SH7203 + default "238" if CPU_SUBTYPE_MXG default "16" config SH_PCLK_FREQ @@ -588,7 +595,7 @@ config SH_PCLK_FREQ default "33333333" if CPU_SUBTYPE_SH7770 || \ CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \ CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \ - CPU_SUBTYPE_SH7263 + CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R default "66000000" if CPU_SUBTYPE_SH4_202 default "50000000" diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug index 5dcb74b947..d9d28f9dd0 100644 --- a/arch/sh/Kconfig.debug +++ b/arch/sh/Kconfig.debug @@ -29,16 +29,17 @@ config EARLY_SCIF_CONSOLE config EARLY_SCIF_CONSOLE_PORT hex depends on EARLY_SCIF_CONSOLE - default "0xffe00000" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7763 - default "0xffe00000" if CPU_SUBTYPE_SH7722 || CPU_SUBTYPE_SH7366 - default "0xffea0000" if CPU_SUBTYPE_SH7785 - default "0xfffe8000" if CPU_SUBTYPE_SH7203 - default "0xfffe9800" if CPU_SUBTYPE_SH7206 || CPU_SUBTYPE_SH7263 - default "0xf8420000" if CPU_SUBTYPE_SH7619 default "0xa4400000" if CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7705 default "0xa4430000" if CPU_SUBTYPE_SH7720 || CPU_SUBTYPE_SH7721 + default "0xf8420000" if CPU_SUBTYPE_SH7619 + default "0xff804000" if CPU_SUBTYPE_MXG default "0xffc30000" if CPU_SUBTYPE_SHX3 + default "0xffe00000" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7763 || \ + CPU_SUBTYPE_SH7722 || CPU_SUBTYPE_SH7366 default "0xffe80000" if CPU_SH4 + default "0xffea0000" if CPU_SUBTYPE_SH7785 + default "0xfffe8000" if CPU_SUBTYPE_SH7203 + default "0xfffe9800" if CPU_SUBTYPE_SH7206 || CPU_SUBTYPE_SH7263 default "0x00000000" config EARLY_PRINTK diff --git a/arch/sh/kernel/cpu/sh2a/Makefile b/arch/sh/kernel/cpu/sh2a/Makefile index b279cdc3a2..7e2b90cfa7 100644 --- a/arch/sh/kernel/cpu/sh2a/Makefile +++ b/arch/sh/kernel/cpu/sh2a/Makefile @@ -8,6 +8,7 @@ common-y += $(addprefix ../sh2/, ex.o entry.o) obj-$(CONFIG_SH_FPU) += fpu.o -obj-$(CONFIG_CPU_SUBTYPE_SH7206) += setup-sh7206.o clock-sh7206.o -obj-$(CONFIG_CPU_SUBTYPE_SH7203) += setup-sh7203.o clock-sh7203.o -obj-$(CONFIG_CPU_SUBTYPE_SH7263) += setup-sh7203.o clock-sh7203.o +obj-$(CONFIG_CPU_SUBTYPE_SH7206) += setup-sh7206.o clock-sh7206.o +obj-$(CONFIG_CPU_SUBTYPE_SH7203) += setup-sh7203.o clock-sh7203.o +obj-$(CONFIG_CPU_SUBTYPE_SH7263) += setup-sh7203.o clock-sh7203.o +obj-$(CONFIG_CPU_SUBTYPE_MXG) += setup-mxg.o clock-sh7206.o diff --git a/arch/sh/kernel/cpu/sh2a/probe.c b/arch/sh/kernel/cpu/sh2a/probe.c index 6910e26644..6e79132f6f 100644 --- a/arch/sh/kernel/cpu/sh2a/probe.c +++ b/arch/sh/kernel/cpu/sh2a/probe.c @@ -29,6 +29,9 @@ int __init detect_cpu_and_cache_system(void) boot_cpu_data.type = CPU_SH7206; /* While SH7206 has a DSP.. */ boot_cpu_data.flags |= CPU_HAS_DSP; +#elif defined(CONFIG_CPU_SUBTYPE_MXG) + boot_cpu_data.type = CPU_MXG; + boot_cpu_data.flags |= CPU_HAS_DSP; #endif boot_cpu_data.dcache.ways = 4; diff --git a/arch/sh/kernel/cpu/sh2a/setup-mxg.c b/arch/sh/kernel/cpu/sh2a/setup-mxg.c new file mode 100644 index 0000000000..e611d79fac --- /dev/null +++ b/arch/sh/kernel/cpu/sh2a/setup-mxg.c @@ -0,0 +1,168 @@ +/* + * Renesas MX-G (R8A03022BG) Setup + * + * Copyright (C) 2008 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 +#include +#include +#include + +enum { + UNUSED = 0, + + /* interrupt sources */ + IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7, + IRQ8, IRQ9, IRQ10, IRQ11, IRQ12, IRQ13, IRQ14, IRQ15, + + PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7, + + SINT8, SINT7, SINT6, SINT5, SINT4, SINT3, SINT2, SINT1, + + SCIF0_BRI, SCIF0_ERI, SCIF0_RXI, SCIF0_TXI, + SCIF1_BRI, SCIF1_ERI, SCIF1_RXI, SCIF1_TXI, + + MTU2_TGI0A, MTU2_TGI0B, MTU2_TGI0C, MTU2_TGI0D, + MTU2_TCI0V, MTU2_TGI0E, MTU2_TGI0F, + MTU2_TGI1A, MTU2_TGI1B, MTU2_TCI1V, MTU2_TCI1U, + MTU2_TGI2A, MTU2_TGI2B, MTU2_TCI2V, MTU2_TCI2U, + MTU2_TGI3A, MTU2_TGI3B, MTU2_TGI3C, MTU2_TGI3D, MTU2_TCI3V, + MTU2_TGI4A, MTU2_TGI4B, MTU2_TGI4C, MTU2_TGI4D, MTU2_TCI4V, + MTU2_TGI5U, MTU2_TGI5V, MTU2_TGI5W, + + /* interrupt groups */ + PINT, SCIF0, SCIF1, + MTU2_GROUP1, MTU2_GROUP2, MTU2_GROUP3, MTU2_GROUP4, MTU2_GROUP5 +}; + +static struct intc_vect vectors[] __initdata = { + INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65), + INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67), + INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69), + INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71), + INTC_IRQ(IRQ8, 72), INTC_IRQ(IRQ9, 73), + INTC_IRQ(IRQ10, 74), INTC_IRQ(IRQ11, 75), + INTC_IRQ(IRQ12, 76), INTC_IRQ(IRQ13, 77), + INTC_IRQ(IRQ14, 78), INTC_IRQ(IRQ15, 79), + + INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81), + INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83), + INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85), + INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87), + + INTC_IRQ(SINT8, 94), INTC_IRQ(SINT7, 95), + INTC_IRQ(SINT6, 96), INTC_IRQ(SINT5, 97), + INTC_IRQ(SINT4, 98), INTC_IRQ(SINT3, 99), + INTC_IRQ(SINT2, 100), INTC_IRQ(SINT1, 101), + + INTC_IRQ(SCIF0_RXI, 220), INTC_IRQ(SCIF0_TXI, 221), + INTC_IRQ(SCIF0_BRI, 222), INTC_IRQ(SCIF0_ERI, 223), + INTC_IRQ(SCIF1_RXI, 224), INTC_IRQ(SCIF1_TXI, 225), + INTC_IRQ(SCIF1_BRI, 226), INTC_IRQ(SCIF1_ERI, 227), + + INTC_IRQ(MTU2_TGI0A, 228), INTC_IRQ(MTU2_TGI0B, 229), + INTC_IRQ(MTU2_TGI0C, 230), INTC_IRQ(MTU2_TGI0D, 231), + INTC_IRQ(MTU2_TCI0V, 232), INTC_IRQ(MTU2_TGI0E, 233), + + INTC_IRQ(MTU2_TGI0F, 234), INTC_IRQ(MTU2_TGI1A, 235), + INTC_IRQ(MTU2_TGI1B, 236), INTC_IRQ(MTU2_TCI1V, 237), + INTC_IRQ(MTU2_TCI1U, 238), INTC_IRQ(MTU2_TGI2A, 239), + + INTC_IRQ(MTU2_TGI2B, 240), INTC_IRQ(MTU2_TCI2V, 241), + INTC_IRQ(MTU2_TCI2U, 242), INTC_IRQ(MTU2_TGI3A, 243), + + INTC_IRQ(MTU2_TGI3B, 244), + INTC_IRQ(MTU2_TGI3C, 245), + + INTC_IRQ(MTU2_TGI3D, 246), INTC_IRQ(MTU2_TCI3V, 247), + INTC_IRQ(MTU2_TGI4A, 248), INTC_IRQ(MTU2_TGI4B, 249), + INTC_IRQ(MTU2_TGI4C, 250), INTC_IRQ(MTU2_TGI4D, 251), + + INTC_IRQ(MTU2_TCI4V, 252), INTC_IRQ(MTU2_TGI5U, 253), + INTC_IRQ(MTU2_TGI5V, 254), INTC_IRQ(MTU2_TGI5W, 255), +}; + +static struct intc_group groups[] __initdata = { + INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3, + PINT4, PINT5, PINT6, PINT7), + INTC_GROUP(MTU2_GROUP1, MTU2_TGI0A, MTU2_TGI0B, MTU2_TGI0C, MTU2_TGI0D, + MTU2_TCI0V, MTU2_TGI0E), + INTC_GROUP(MTU2_GROUP2, MTU2_TGI0F, MTU2_TGI1A, MTU2_TGI1B, + MTU2_TCI1V, MTU2_TCI1U, MTU2_TGI2A), + INTC_GROUP(MTU2_GROUP3, MTU2_TGI2B, MTU2_TCI2V, MTU2_TCI2U, + MTU2_TGI3A), + INTC_GROUP(MTU2_GROUP4, MTU2_TGI3D, MTU2_TCI3V, MTU2_TGI4A, + MTU2_TGI4B, MTU2_TGI4C, MTU2_TGI4D), + INTC_GROUP(MTU2_GROUP5, MTU2_TCI4V, MTU2_TGI5U, MTU2_TGI5V, MTU2_TGI5W), + INTC_GROUP(SCIF0, SCIF0_BRI, SCIF0_ERI, SCIF0_RXI, SCIF0_TXI), + INTC_GROUP(SCIF1, SCIF1_BRI, SCIF1_ERI, SCIF1_RXI, SCIF1_TXI), +}; + +static struct intc_prio_reg prio_registers[] __initdata = { + { 0xfffd9418, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } }, + { 0xfffd941a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } }, + { 0xfffd941c, 0, 16, 4, /* IPR03 */ { IRQ8, IRQ9, IRQ10, IRQ11 } }, + { 0xfffd941e, 0, 16, 4, /* IPR04 */ { IRQ12, IRQ13, IRQ14, IRQ15 } }, + { 0xfffd9420, 0, 16, 4, /* IPR05 */ { PINT, 0, 0, 0 } }, + { 0xfffd9800, 0, 16, 4, /* IPR06 */ { } }, + { 0xfffd9802, 0, 16, 4, /* IPR07 */ { } }, + { 0xfffd9804, 0, 16, 4, /* IPR08 */ { } }, + { 0xfffd9806, 0, 16, 4, /* IPR09 */ { } }, + { 0xfffd9808, 0, 16, 4, /* IPR10 */ { } }, + { 0xfffd980a, 0, 16, 4, /* IPR11 */ { } }, + { 0xfffd980c, 0, 16, 4, /* IPR12 */ { } }, + { 0xfffd980e, 0, 16, 4, /* IPR13 */ { } }, + { 0xfffd9810, 0, 16, 4, /* IPR14 */ { 0, 0, 0, SCIF0 } }, + { 0xfffd9812, 0, 16, 4, /* IPR15 */ + { SCIF1, MTU2_GROUP1, MTU2_GROUP2, MTU2_GROUP3 } }, + { 0xfffd9814, 0, 16, 4, /* IPR16 */ + { MTU2_TGI3B, MTU2_TGI3C, MTU2_GROUP4, MTU2_GROUP5 } }, +}; + +static struct intc_mask_reg mask_registers[] __initdata = { + { 0xfffd9408, 0, 16, /* PINTER */ + { 0, 0, 0, 0, 0, 0, 0, 0, + PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } }, +}; + +static DECLARE_INTC_DESC(intc_desc, "mxg", vectors, groups, + mask_registers, prio_registers, NULL); + +static struct plat_sci_port sci_platform_data[] = { + { + .mapbase = 0xff804000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 223, 220, 221, 222 }, + }, { + .flags = 0, + } +}; + +static struct platform_device sci_device = { + .name = "sh-sci", + .id = -1, + .dev = { + .platform_data = sci_platform_data, + }, +}; + +static struct platform_device *mxg_devices[] __initdata = { + &sci_device, +}; + +static int __init mxg_devices_setup(void) +{ + return platform_add_devices(mxg_devices, + ARRAY_SIZE(mxg_devices)); +} +__initcall(mxg_devices_setup); + +void __init plat_irq_setup(void) +{ + register_intc_controller(&intc_desc); +} diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index 23bc707c2b..0ee776888c 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -335,6 +335,7 @@ static const char *cpu_name[] = { [CPU_SH7343] = "SH7343", [CPU_SH7785] = "SH7785", [CPU_SH7722] = "SH7722", [CPU_SHX3] = "SH-X3", [CPU_SH5_101] = "SH5-101", [CPU_SH5_103] = "SH5-103", + [CPU_MXG] = "MX-G", [CPU_SH7366] = "SH7366", [CPU_SH_NONE] = "Unknown" }; diff --git a/include/asm-sh/bugs.h b/include/asm-sh/bugs.h index cfda7d5bf0..121b2ecddf 100644 --- a/include/asm-sh/bugs.h +++ b/include/asm-sh/bugs.h @@ -25,7 +25,7 @@ static void __init check_bugs(void) case CPU_SH7619: *p++ = '2'; break; - case CPU_SH7203 ... CPU_SH7263: + case CPU_SH7203 ... CPU_MXG: *p++ = '2'; *p++ = 'a'; break; diff --git a/include/asm-sh/processor.h b/include/asm-sh/processor.h index ec707b98e5..f1b3a81191 100644 --- a/include/asm-sh/processor.h +++ b/include/asm-sh/processor.h @@ -16,7 +16,7 @@ enum cpu_type { CPU_SH7619, /* SH-2A types */ - CPU_SH7203, CPU_SH7206, CPU_SH7263, + CPU_SH7203, CPU_SH7206, CPU_SH7263, CPU_MXG, /* SH-3 types */ CPU_SH7705, CPU_SH7706, CPU_SH7707, -- 2.39.5