diff options
author | Paul Mundt <lethal@linux-sh.org> | 2006-12-11 11:28:03 (GMT) |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2006-12-11 23:42:09 (GMT) |
commit | 41504c39726a7099e5a42508dd57fe561c8b4129 (patch) | |
tree | 29e3ea77a973fc7ee137e78a03b2b6c24b99d559 /arch | |
parent | 5432143464ee7f5cb8b0b015a0fd1c3279af10ae (diff) | |
download | linux-fsl-qoriq-41504c39726a7099e5a42508dd57fe561c8b4129.tar.xz |
sh: SH-MobileR SH7722 CPU support.
This adds CPU support for the SH7722.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/sh/kernel/cpu/Makefile | 1 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4/Makefile | 9 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4/probe.c | 9 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/Makefile | 19 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/clock-sh73180.c (renamed from arch/sh/kernel/cpu/sh4/clock-sh73180.c) | 0 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/clock-sh7343.c | 99 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/clock-sh7770.c (renamed from arch/sh/kernel/cpu/sh4/clock-sh7770.c) | 0 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/clock-sh7780.c (renamed from arch/sh/kernel/cpu/sh4/clock-sh7780.c) | 0 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh73180.c (renamed from arch/sh/kernel/cpu/sh4/setup-sh73180.c) | 0 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7343.c (renamed from arch/sh/kernel/cpu/sh4/setup-sh7343.c) | 0 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7722.c | 76 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7770.c (renamed from arch/sh/kernel/cpu/sh4/setup-sh7770.c) | 0 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7780.c (renamed from arch/sh/kernel/cpu/sh4/setup-sh7780.c) | 0 | ||||
-rw-r--r-- | arch/sh/kernel/setup.c | 14 | ||||
-rw-r--r-- | arch/sh/mm/Kconfig | 12 |
15 files changed, 226 insertions, 13 deletions
diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile index 0582e67..d055a3e 100644 --- a/arch/sh/kernel/cpu/Makefile +++ b/arch/sh/kernel/cpu/Makefile @@ -6,6 +6,7 @@ obj-$(CONFIG_CPU_SH2) = sh2/ obj-$(CONFIG_CPU_SH2A) = sh2a/ obj-$(CONFIG_CPU_SH3) = sh3/ obj-$(CONFIG_CPU_SH4) = sh4/ +obj-$(CONFIG_CPU_SH4A) += sh4a/ obj-$(CONFIG_UBC_WAKEUP) += ubc.o obj-$(CONFIG_SH_ADC) += adc.o diff --git a/arch/sh/kernel/cpu/sh4/Makefile b/arch/sh/kernel/cpu/sh4/Makefile index 6e415ba..19ca68c 100644 --- a/arch/sh/kernel/cpu/sh4/Makefile +++ b/arch/sh/kernel/cpu/sh4/Makefile @@ -12,17 +12,12 @@ obj-$(CONFIG_SH_STORE_QUEUES) += sq.o obj-$(CONFIG_CPU_SUBTYPE_SH7750) += setup-sh7750.o obj-$(CONFIG_CPU_SUBTYPE_SH7751) += setup-sh7750.o obj-$(CONFIG_CPU_SUBTYPE_SH7760) += setup-sh7760.o -obj-$(CONFIG_CPU_SUBTYPE_SH7770) += setup-sh7770.o -obj-$(CONFIG_CPU_SUBTYPE_SH7780) += setup-sh7780.o -obj-$(CONFIG_CPU_SUBTYPE_SH73180) += setup-sh73180.o -obj-$(CONFIG_CPU_SUBTYPE_SH7343) += setup-sh7343.o obj-$(CONFIG_CPU_SUBTYPE_SH4_202) += setup-sh4-202.o # Primary on-chip clocks (common) +ifndef CONFIG_CPU_SH4A clock-$(CONFIG_CPU_SH4) := clock-sh4.o -clock-$(CONFIG_CPU_SUBTYPE_SH73180) := clock-sh73180.o -clock-$(CONFIG_CPU_SUBTYPE_SH7770) := clock-sh7770.o -clock-$(CONFIG_CPU_SUBTYPE_SH7780) := clock-sh7780.o +endif # Additional clocks by subtype clock-$(CONFIG_CPU_SUBTYPE_SH4_202) += clock-sh4-202.o diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c index afe0f1b..9031a22 100644 --- a/arch/sh/kernel/cpu/sh4/probe.c +++ b/arch/sh/kernel/cpu/sh4/probe.c @@ -119,11 +119,20 @@ int __init detect_cpu_and_cache_system(void) break; case 0x3000: case 0x3003: + case 0x3009: cpu_data->type = CPU_SH7343; cpu_data->icache.ways = 4; cpu_data->dcache.ways = 4; cpu_data->flags |= CPU_HAS_LLSC; break; + case 0x3008: + if (prr == 0xa0) { + cpu_data->type = CPU_SH7722; + cpu_data->icache.ways = 4; + cpu_data->dcache.ways = 4; + cpu_data->flags |= CPU_HAS_LLSC; + } + break; case 0x8000: cpu_data->type = CPU_ST40RA; cpu_data->flags |= CPU_HAS_FPU; diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile new file mode 100644 index 0000000..a8f493f --- /dev/null +++ b/arch/sh/kernel/cpu/sh4a/Makefile @@ -0,0 +1,19 @@ +# +# Makefile for the Linux/SuperH SH-4 backends. +# + +# CPU subtype setup +obj-$(CONFIG_CPU_SUBTYPE_SH7770) += setup-sh7770.o +obj-$(CONFIG_CPU_SUBTYPE_SH7780) += setup-sh7780.o +obj-$(CONFIG_CPU_SUBTYPE_SH73180) += setup-sh73180.o +obj-$(CONFIG_CPU_SUBTYPE_SH7343) += setup-sh7343.o +obj-$(CONFIG_CPU_SUBTYPE_SH7722) += setup-sh7722.o + +# Primary on-chip clocks (common) +clock-$(CONFIG_CPU_SUBTYPE_SH73180) := clock-sh73180.o +clock-$(CONFIG_CPU_SUBTYPE_SH7770) := clock-sh7770.o +clock-$(CONFIG_CPU_SUBTYPE_SH7780) := clock-sh7780.o +clock-$(CONFIG_CPU_SUBTYPE_SH7343) := clock-sh7343.o +clock-$(CONFIG_CPU_SUBTYPE_SH7722) := clock-sh7343.o + +obj-y += $(clock-y) diff --git a/arch/sh/kernel/cpu/sh4/clock-sh73180.c b/arch/sh/kernel/cpu/sh4a/clock-sh73180.c index 2fa5cb2..2fa5cb2 100644 --- a/arch/sh/kernel/cpu/sh4/clock-sh73180.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh73180.c diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7343.c b/arch/sh/kernel/cpu/sh4a/clock-sh7343.c new file mode 100644 index 0000000..1707a21 --- /dev/null +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7343.c @@ -0,0 +1,99 @@ +/* + * arch/sh/kernel/cpu/sh4/clock-sh7343.c + * + * SH7343/SH7722 support for the clock framework + * + * 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/init.h> +#include <linux/kernel.h> +#include <linux/io.h> +#include <asm/clock.h> +#include <asm/freq.h> + +/* + * SH7343/SH7722 uses a common set of multipliers and divisors, so this + * is quite simple.. + */ +static int multipliers[] = { 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1 }; +static int divisors[] = { 1, 3, 2, 5, 3, 4, 5, 6, 8, 10, 12, 16, 20 }; + +#define pll_calc() (((ctrl_inl(FRQCR) >> 24) & 0x1f) + 1) + +static void master_clk_init(struct clk *clk) +{ + clk->parent = clk_get(NULL, "cpu_clk"); +} + +static void master_clk_recalc(struct clk *clk) +{ + int idx = (ctrl_inl(FRQCR) & 0x000f); + clk->rate *= clk->parent->rate * multipliers[idx] / divisors[idx]; +} + +static struct clk_ops sh7343_master_clk_ops = { + .init = master_clk_init, + .recalc = master_clk_recalc, +}; + +static void module_clk_init(struct clk *clk) +{ + clk->parent = NULL; + clk->rate = CONFIG_SH_PCLK_FREQ; +} + +static struct clk_ops sh7343_module_clk_ops = { + .init = module_clk_init, +}; + +static void bus_clk_init(struct clk *clk) +{ + clk->parent = clk_get(NULL, "cpu_clk"); +} + +static void bus_clk_recalc(struct clk *clk) +{ + int idx = (ctrl_inl(FRQCR) >> 8) & 0x000f; + clk->rate = clk->parent->rate * multipliers[idx] / divisors[idx]; +} + +static struct clk_ops sh7343_bus_clk_ops = { + .init = bus_clk_init, + .recalc = bus_clk_recalc, +}; + +static void cpu_clk_init(struct clk *clk) +{ + clk->parent = clk_get(NULL, "module_clk"); + clk->flags |= CLK_RATE_PROPAGATES; + clk_set_rate(clk, clk_get_rate(clk)); +} + +static void cpu_clk_recalc(struct clk *clk) +{ + int idx = (ctrl_inl(FRQCR) >> 20) & 0x000f; + clk->rate = clk->parent->rate * pll_calc() * + multipliers[idx] / divisors[idx]; +} + +static struct clk_ops sh7343_cpu_clk_ops = { + .init = cpu_clk_init, + .recalc = cpu_clk_recalc, +}; + +static struct clk_ops *sh7343_clk_ops[] = { + &sh7343_master_clk_ops, + &sh7343_module_clk_ops, + &sh7343_bus_clk_ops, + &sh7343_cpu_clk_ops, +}; + +void __init arch_init_clk_ops(struct clk_ops **ops, int idx) +{ + if (idx < ARRAY_SIZE(sh7343_clk_ops)) + *ops = sh7343_clk_ops[idx]; +} diff --git a/arch/sh/kernel/cpu/sh4/clock-sh7770.c b/arch/sh/kernel/cpu/sh4a/clock-sh7770.c index c8694ba..c8694ba 100644 --- a/arch/sh/kernel/cpu/sh4/clock-sh7770.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7770.c diff --git a/arch/sh/kernel/cpu/sh4/clock-sh7780.c b/arch/sh/kernel/cpu/sh4a/clock-sh7780.c index 9e6a216..9e6a216 100644 --- a/arch/sh/kernel/cpu/sh4/clock-sh7780.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7780.c diff --git a/arch/sh/kernel/cpu/sh4/setup-sh73180.c b/arch/sh/kernel/cpu/sh4a/setup-sh73180.c index cc9ea1e..cc9ea1e 100644 --- a/arch/sh/kernel/cpu/sh4/setup-sh73180.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh73180.c diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7343.c b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c index 91d61cf..91d61cf 100644 --- a/arch/sh/kernel/cpu/sh4/setup-sh7343.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c new file mode 100644 index 0000000..7528fc6 --- /dev/null +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c @@ -0,0 +1,76 @@ +/* + * SH7722 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 <asm/sci.h> + +static struct plat_sci_port sci_platform_data[] = { + { + .mapbase = 0xffe00000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 80, 81, 83, 82 }, + }, { + .flags = 0, + } +}; + +static struct platform_device sci_device = { + .name = "sh-sci", + .id = -1, + .dev = { + .platform_data = sci_platform_data, + }, +}; + +static struct platform_device *sh7722_devices[] __initdata = { + &sci_device, +}; + +static int __init sh7722_devices_setup(void) +{ + return platform_add_devices(sh7722_devices, + ARRAY_SIZE(sh7722_devices)); +} +__initcall(sh7722_devices_setup); + +static struct ipr_data sh7722_ipr_map[] = { + /* IRQ, IPR-idx, shift, prio */ + { 16, 0, 12, 2 }, /* TMU0 */ + { 17, 0, 8, 2 }, /* TMU1 */ +}; + +static unsigned long ipr_offsets[] = { + 0xa4080000, /* 0: IPRA */ + 0xa4080004, /* 1: IPRB */ + 0xa4080008, /* 2: IPRC */ + 0xa408000c, /* 3: IPRD */ + 0xa4080010, /* 4: IPRE */ + 0xa4080014, /* 5: IPRF */ + 0xa4080018, /* 6: IPRG */ + 0xa408001c, /* 7: IPRH */ + 0xa4080020, /* 8: IPRI */ + 0xa4080024, /* 9: IPRJ */ + 0xa4080028, /* 10: IPRK */ + 0xa408002c, /* 11: IPRL */ +}; + +unsigned int map_ipridx_to_addr(int idx) +{ + if (unlikely(idx >= ARRAY_SIZE(ipr_offsets))) + return 0; + return ipr_offsets[idx]; +} + +void __init init_IRQ_ipr(void) +{ + make_ipr_irq(sh7722_ipr_map, ARRAY_SIZE(sh7722_ipr_map)); +} diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7770.c b/arch/sh/kernel/cpu/sh4a/setup-sh7770.c index 6a04cc5..6a04cc5 100644 --- a/arch/sh/kernel/cpu/sh4/setup-sh7770.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7770.c diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c index 9aeaa2d..9aeaa2d 100644 --- a/arch/sh/kernel/cpu/sh4/setup-sh7780.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index f8dd6b7..fe545bb 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -325,14 +325,18 @@ void __init setup_arch(char **cmdline_p) ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0); if (&__rd_start != &__rd_end) { LOADER_TYPE = 1; - INITRD_START = PHYSADDR((unsigned long)&__rd_start) - __MEMORY_START; - INITRD_SIZE = (unsigned long)&__rd_end - (unsigned long)&__rd_start; + INITRD_START = PHYSADDR((unsigned long)&__rd_start) - + __MEMORY_START; + INITRD_SIZE = (unsigned long)&__rd_end - + (unsigned long)&__rd_start; } if (LOADER_TYPE && INITRD_START) { if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) { - reserve_bootmem_node(NODE_DATA(0), INITRD_START+__MEMORY_START, INITRD_SIZE); - initrd_start = INITRD_START + PAGE_OFFSET + __MEMORY_START; + reserve_bootmem_node(NODE_DATA(0), INITRD_START + + __MEMORY_START, INITRD_SIZE); + initrd_start = INITRD_START + PAGE_OFFSET + + __MEMORY_START; initrd_end = initrd_start + INITRD_SIZE; } else { printk("initrd extends beyond end of memory " @@ -404,7 +408,7 @@ static const char *cpu_name[] = { [CPU_SH4_202] = "SH4-202", [CPU_SH4_501] = "SH4-501", [CPU_SH7770] = "SH7770", [CPU_SH7780] = "SH7780", [CPU_SH7781] = "SH7781", [CPU_SH7343] = "SH7343", - [CPU_SH7785] = "SH7785", + [CPU_SH7785] = "SH7785", [CPU_SH7722] = "SH7722", [CPU_SH_NONE] = "Unknown" }; diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index 4e0362f..29f4ee3 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -35,6 +35,9 @@ config CPU_SUBTYPE_ST40 select CPU_SH4 select CPU_HAS_INTC2_IRQ +config CPU_SHX2 + bool + # # Processor subtypes # @@ -180,6 +183,7 @@ config CPU_SUBTYPE_SH7780 config CPU_SUBTYPE_SH7785 bool "Support SH7785 processor" select CPU_SH4A + select CPU_SHX2 select CPU_HAS_INTC2_IRQ comment "SH4AL-DSP Processor Support" @@ -192,6 +196,12 @@ config CPU_SUBTYPE_SH7343 bool "Support SH7343 processor" select CPU_SH4AL_DSP +config CPU_SUBTYPE_SH7722 + bool "Support SH7722 processor" + select CPU_SH4AL_DSP + select CPU_SHX2 + select CPU_HAS_IPR_IRQ + endmenu menu "Memory management options" @@ -250,7 +260,7 @@ config 32BIT config X2TLB bool "Enable extended TLB mode" - depends on CPU_SUBTYPE_SH7785 && MMU && EXPERIMENTAL + depends on CPU_SHX2 && MMU && EXPERIMENTAL help Selecting this option will enable the extended mode of the SH-X2 TLB. For legacy SH-X behaviour and interoperability, say N. For |