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sh: Add support for SH7706/SH7710/SH7343 CPUs.

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This adds support for the aforementioned CPU subtypes, and cleans
up some build issues encountered as a result.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2006-09-27 17:38:11 +09:00
parent ecd9561687
commit e5723e0eeb
26 changed files with 767 additions and 66 deletions
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2
arch/sh/kernel/cpu/irq/ipr.c
View File

@@ -89,6 +89,7 @@ static void mask_and_ack_ipr(unsigned int irq)
disable_ipr_irq(irq);
#if defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709) || \
defined(CONFIG_CPU_SUBTYPE_SH7706) || \
defined(CONFIG_CPU_SUBTYPE_SH7300) || defined(CONFIG_CPU_SUBTYPE_SH7705)
/* This is needed when we use edge triggered setting */
/* XXX: Is it really needed? */
@@ -162,6 +163,7 @@ void __init init_IRQ(void)
#endif
#if defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709) || \
defined(CONFIG_CPU_SUBTYPE_SH7706) || \
defined(CONFIG_CPU_SUBTYPE_SH7300) || defined(CONFIG_CPU_SUBTYPE_SH7705)
/*
* Initialize the Interrupt Controller (INTC)

5
arch/sh/kernel/cpu/sh3/Makefile
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@@ -6,16 +6,19 @@ obj-y := ex.o probe.o
# CPU subtype setup
obj-$(CONFIG_CPU_SUBTYPE_SH7705) += setup-sh7705.o
obj-$(CONFIG_CPU_SUBTYPE_SH7706) += setup-sh7709.o
obj-$(CONFIG_CPU_SUBTYPE_SH7707) += setup-sh7709.o
obj-$(CONFIG_CPU_SUBTYPE_SH7708) += setup-sh7708.o
obj-$(CONFIG_CPU_SUBTYPE_SH7709) += setup-sh7709.o
obj-$(CONFIG_CPU_SUBTYPE_SH7300) += setup-sh7300.o
obj-$(CONFIG_CPU_SUBTYPE_SH7710) += setup-sh7710.o
# Primary on-chip clocks (common)
clock-$(CONFIG_CPU_SH3) := clock-sh3.o
clock-$(CONFIG_CPU_SUBTYPE_SH7300) := clock-sh7300.o
clock-$(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-sh7300.o
obj-y += $(clock-y)

84
arch/sh/kernel/cpu/sh3/clock-sh7706.c Normal file
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@@ -0,0 +1,84 @@
/*
* arch/sh/kernel/cpu/sh3/clock-sh7706.c
*
* SH7706 support for the clock framework
*
* Copyright (C) 2006 Takashi YOSHII
*
* Based on arch/sh/kernel/cpu/sh3/clock-sh7709.c
* Copyright (C) 2005 Andriy Skulysh
*
* 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 <asm/clock.h>
#include <asm/freq.h>
#include <asm/io.h>
static int stc_multipliers[] = { 1, 2, 4, 1, 3, 6, 1, 1 };
static int ifc_divisors[] = { 1, 2, 4, 1, 3, 1, 1, 1 };
static int pfc_divisors[] = { 1, 2, 4, 1, 3, 6, 1, 1 };
static void master_clk_init(struct clk *clk)
{
int frqcr = ctrl_inw(FRQCR);
int idx = ((frqcr & 0x2000) >> 11) | (frqcr & 0x0003);
clk->rate *= pfc_divisors[idx];
}
static struct clk_ops sh7706_master_clk_ops = {
.init = master_clk_init,
};
static void module_clk_recalc(struct clk *clk)
{
int frqcr = ctrl_inw(FRQCR);
int idx = ((frqcr & 0x2000) >> 11) | (frqcr & 0x0003);
clk->rate = clk->parent->rate / pfc_divisors[idx];
}
static struct clk_ops sh7706_module_clk_ops = {
.recalc = module_clk_recalc,
};
static void bus_clk_recalc(struct clk *clk)
{
int frqcr = ctrl_inw(FRQCR);
int idx = ((frqcr & 0x8000) >> 13) | ((frqcr & 0x0030) >> 4);
clk->rate = clk->parent->rate / stc_multipliers[idx];
}
static struct clk_ops sh7706_bus_clk_ops = {
.recalc = bus_clk_recalc,
};
static void cpu_clk_recalc(struct clk *clk)
{
int frqcr = ctrl_inw(FRQCR);
int idx = ((frqcr & 0x4000) >> 12) | ((frqcr & 0x000c) >> 2);
clk->rate = clk->parent->rate / ifc_divisors[idx];
}
static struct clk_ops sh7706_cpu_clk_ops = {
.recalc = cpu_clk_recalc,
};
static struct clk_ops *sh7706_clk_ops[] = {
&sh7706_master_clk_ops,
&sh7706_module_clk_ops,
&sh7706_bus_clk_ops,
&sh7706_cpu_clk_ops,
};
void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
{
if (idx < ARRAY_SIZE(sh7706_clk_ops))
*ops = sh7706_clk_ops[idx];
}

54
arch/sh/kernel/cpu/sh3/ex.S
View File

@@ -84,8 +84,12 @@ ENTRY(interrupt_table)
.long do_IRQ ! rovi
.long do_IRQ
.long do_IRQ /* 5E0 */
#if defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709) || \
defined(CONFIG_CPU_SUBTYPE_SH7300) || defined(CONFIG_CPU_SUBTYPE_SH7705)
#if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
defined(CONFIG_CPU_SUBTYPE_SH7709) || \
defined(CONFIG_CPU_SUBTYPE_SH7706) || \
defined(CONFIG_CPU_SUBTYPE_SH7300) || \
defined(CONFIG_CPU_SUBTYPE_SH7705) || \
defined(CONFIG_CPU_SUBTYPE_SH7710)
.long do_IRQ ! 32 IRQ irq0 /* 600 */
.long do_IRQ ! 33 irq1
.long do_IRQ ! 34 irq2
@@ -147,6 +151,51 @@ ENTRY(interrupt_table)
.long do_IRQ ! 62 PCC pcc0i
.long do_IRQ ! 63 pcc1i /* 9E0 */
#endif
#if defined(CONFIG_CPU_SUBTYPE_SH7710)
.long exception_none ! 61 /* 9A0 */
.long exception_none ! 62
.long exception_none ! 63
.long exception_none ! 64 /* A00 */
.long exception_none ! 65
.long exception_none ! 66
.long exception_none ! 67
.long exception_none ! 68
.long exception_none ! 69
.long exception_none ! 70
.long exception_none ! 71
.long exception_none ! 72 /* B00 */
.long exception_none ! 73
.long exception_none ! 74
.long exception_none ! 75
.long do_IRQ ! 76 DMAC2 dei4 /* B80 */
.long do_IRQ ! 77 DMAC2 dei5
.long exception_none ! 78
.long do_IRQ ! 79 IPSEC ipseci /* BE0 */
.long do_IRQ ! 80 EDMAC eint0 /* C00 */
.long do_IRQ ! 81 EDMAC eint1
.long do_IRQ ! 82 EDMAC eint2
.long exception_none ! 83 /* C60 */
.long exception_none ! 84
.long exception_none ! 85
.long exception_none ! 86
.long exception_none ! 87
.long exception_none ! 88 /* D00 */
.long exception_none ! 89
.long exception_none ! 90
.long exception_none ! 91
.long exception_none ! 92
.long exception_none ! 93
.long exception_none ! 94
.long exception_none ! 95
.long do_IRQ ! 96 SIOF eri0 /* E00 */
.long do_IRQ ! 97 txi0
.long do_IRQ ! 98 rxi0
.long do_IRQ ! 99 cci0
.long do_IRQ ! 100 eri1 /* E80 */
.long do_IRQ ! 101 txi1
.long do_IRQ ! 102 rxi2
.long do_IRQ ! 103 cci3
#endif
#if defined(CONFIG_CPU_SUBTYPE_SH7300)
.long do_IRQ ! 64
.long do_IRQ ! 65
@@ -195,4 +244,3 @@ ENTRY(interrupt_table)
.long do_IRQ ! 108
#endif
#endif

6
arch/sh/kernel/cpu/sh3/probe.c
View File

@@ -72,6 +72,12 @@ int __init detect_cpu_and_cache_system(void)
cpu_data->dcache.sets = 256;
cpu_data->type = CPU_SH7729;
#if defined(CONFIG_CPU_SUBTYPE_SH7706)
cpu_data->type = CPU_SH7706;
#endif
#if defined(CONFIG_CPU_SUBTYPE_SH7710)
cpu_data->type = CPU_SH7710;
#endif
#if defined(CONFIG_CPU_SUBTYPE_SH7705)
cpu_data->type = CPU_SH7705;

43
arch/sh/kernel/cpu/sh3/setup-sh7710.c Normal file
View File

@@ -0,0 +1,43 @@
/*
* SH7710 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 = 0xa4400000,
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 52, 53, 55, 54 },
}, {
.flags = 0,
}
};
static struct platform_device sci_device = {
.name = "sh-sci",
.id = -1,
.dev = {
.platform_data = sci_platform_data,
},
};
static struct platform_device *sh7710_devices[] __initdata = {
&sci_device,
};
static int __init sh7710_devices_setup(void)
{
return platform_add_devices(sh7710_devices,
ARRAY_SIZE(sh7710_devices));
}
__initcall(sh7710_devices_setup);

1
arch/sh/kernel/cpu/sh4/Makefile
View File

@@ -14,6 +14,7 @@ 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)

12
arch/sh/kernel/cpu/sh4/ex.S
View File

@@ -123,6 +123,13 @@ ENTRY(interrupt_table)
.long do_IRQ ! 45 dmte5
.long do_IRQ ! 46 dmte6
.long do_IRQ ! 47 dmte7 /* 7E0 */
#elif defined(CONFIG_CPU_SUBTYPE_SH7343)
.long do_IRQ ! 44 IIC1 ali /* 780 */
.long do_IRQ ! 45 tacki
.long do_IRQ ! 46 waiti
.long do_IRQ ! 47 dtei /* 7E0 */
.long do_IRQ ! 48 DMAC dei0 /* 800 */
.long do_IRQ ! 49 dei1 /* 820 */
#else
.long exception_error ! 44 /* 780 */
.long exception_error ! 45
@@ -132,7 +139,8 @@ ENTRY(interrupt_table)
#if defined(CONFIG_SH_FPU)
.long do_fpu_state_restore ! 48 /* 800 */
.long do_fpu_state_restore ! 49 /* 820 */
#else
#elif !defined(CONFIG_CPU_SUBTYPE_SH7343) && \
!defined(CONFIG_CPU_SUBTYPE_SH73180)
.long exception_error
.long exception_error
#endif
@@ -225,7 +233,7 @@ ENTRY(interrupt_table)
.long exception_error
.long do_IRQ ! ADC adi
.long do_IRQ ! CMT cmti /* FA0 */
#elif defined(CONFIG_CPU_SUBTYPE_SH73180)
#elif defined(CONFIG_CPU_SUBTYPE_SH73180) || defined(CONFIG_CPU_SUBTYPE_SH7343)
.long do_IRQ ! 50 0x840
.long do_IRQ ! 51 0x860
.long do_IRQ ! 52 0x880

17
arch/sh/kernel/cpu/sh4/probe.c
View File

@@ -3,7 +3,7 @@
*
* CPU Subtype Probing for SH-4.
*
* Copyright (C) 2001 - 2005 Paul Mundt
* Copyright (C) 2001 - 2006 Paul Mundt
* Copyright (C) 2003 Richard Curnow
*
* This file is subject to the terms and conditions of the GNU General Public
@@ -76,12 +76,6 @@ int __init detect_cpu_and_cache_system(void)
cpu_data->type = CPU_SH73180;
cpu_data->icache.ways = 4;
cpu_data->dcache.ways = 4;
/*
* XXX: Double check this, none of the SH-4A/SH-4AL processors
* should have this, as it's essentially a legacy thing.
*/
cpu_data->flags |= CPU_HAS_PTEA;
break;
case 0x2001:
case 0x2004:
@@ -89,8 +83,7 @@ int __init detect_cpu_and_cache_system(void)
cpu_data->icache.ways = 4;
cpu_data->dcache.ways = 4;
/* Same note as above applies here for PTEA */
cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PTEA;
cpu_data->flags |= CPU_HAS_FPU;
break;
case 0x2006:
case 0x200A:
@@ -104,6 +97,12 @@ int __init detect_cpu_and_cache_system(void)
cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PERF_COUNTER;
break;
case 0x3000:
case 0x3003:
cpu_data->type = CPU_SH7343;
cpu_data->icache.ways = 4;
cpu_data->dcache.ways = 4;
break;
case 0x8000:
cpu_data->type = CPU_ST40RA;
cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PTEA;

43
arch/sh/kernel/cpu/sh4/setup-sh7343.c Normal file
View File

@@ -0,0 +1,43 @@
/*
* SH7343 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 *sh7343_devices[] __initdata = {
&sci_device,
};
static int __init sh7343_devices_setup(void)
{
return platform_add_devices(sh7343_devices,
ARRAY_SIZE(sh7343_devices));
}
__initcall(sh7343_devices_setup);

2
arch/sh/kernel/process.c
View File

@@ -310,7 +310,7 @@ ubc_set_tracing(int asid, unsigned long pc)
ctrl_outl(0, UBC_BAMRA);
if (cpu_data->type == CPU_SH7729) {
if (cpu_data->type == CPU_SH7729 || cpu_data->type == CPU_SH7710) {
ctrl_outw(BBR_INST | BBR_READ | BBR_CPU, UBC_BBRA);
ctrl_outl(BRCR_PCBA | BRCR_PCTE, UBC_BRCR);
} else {

31
arch/sh/kernel/setup.c
View File

@@ -424,25 +424,18 @@ static int __init topology_init(void)
subsys_initcall(topology_init);
static const char *cpu_name[] = {
[CPU_SH7604] = "SH7604",
[CPU_SH7705] = "SH7705",
[CPU_SH7708] = "SH7708",
[CPU_SH7729] = "SH7729",
[CPU_SH7300] = "SH7300",
[CPU_SH7750] = "SH7750",
[CPU_SH7750S] = "SH7750S",
[CPU_SH7750R] = "SH7750R",
[CPU_SH7751] = "SH7751",
[CPU_SH7751R] = "SH7751R",
[CPU_SH7760] = "SH7760",
[CPU_SH73180] = "SH73180",
[CPU_ST40RA] = "ST40RA",
[CPU_ST40GX1] = "ST40GX1",
[CPU_SH4_202] = "SH4-202",
[CPU_SH4_501] = "SH4-501",
[CPU_SH7770] = "SH7770",
[CPU_SH7780] = "SH7780",
[CPU_SH7781] = "SH7781",
[CPU_SH7604] = "SH7604", [CPU_SH7300] = "SH7300",
[CPU_SH7705] = "SH7705", [CPU_SH7706] = "SH7706",
[CPU_SH7707] = "SH7707", [CPU_SH7708] = "SH7708",
[CPU_SH7709] = "SH7709", [CPU_SH7710] = "SH7710",
[CPU_SH7729] = "SH7729", [CPU_SH7750] = "SH7750",
[CPU_SH7750S] = "SH7750S", [CPU_SH7750R] = "SH7750R",
[CPU_SH7751] = "SH7751", [CPU_SH7751R] = "SH7751R",
[CPU_SH7760] = "SH7760", [CPU_SH73180] = "SH73180",
[CPU_ST40RA] = "ST40RA", [CPU_ST40GX1] = "ST40GX1",
[CPU_SH4_202] = "SH4-202", [CPU_SH4_501] = "SH4-501",
[CPU_SH7770] = "SH7770", [CPU_SH7780] = "SH7780",
[CPU_SH7781] = "SH7781", [CPU_SH7343] = "SH7343",
[CPU_SH_NONE] = "Unknown"
};

3
arch/sh/kernel/sh_ksyms.c
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@@ -89,7 +89,8 @@ EXPORT_SYMBOL(flush_dcache_page);
EXPORT_SYMBOL(__flush_purge_region);
#endif
#ifdef CONFIG_MMU
#if defined(CONFIG_MMU) && (defined(CONFIG_CPU_SH4) || \
defined(CONFIG_SH7705_CACHE_32KB))
EXPORT_SYMBOL(clear_user_page);
#endif