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authorLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 08:52:50 +1100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 08:52:50 +1100
commite189f3495c4e30fc84fc9241096edf3932e23439 (patch)
tree5916c89ace81537a02ae01869386ba6caafdab9c /arch/sh/kernel/cpu/sh3
parentf4798748dee00c807a63f5518f08b3df161e0f6d (diff)
parent6582d7b7376aa587d74b08c74457dc28abc1a9fa (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (197 commits) sh: add spi header and r2d platform data V3 sh: update r7780rp interrupt code sh: remove consistent alloc stuff from the machine vector sh: use declared coherent memory for dreamcast pci ethernet adapter sh: declared coherent memory support V2 sh: Add support for SDK7780 board. sh: constify function pointer tables sh: Kill off -traditional for linker script. cdrom: Add support for Sega Dreamcast GD-ROM. sh: Kill off hs7751rvoip reference from arch/sh/Kconfig. sh: Drop r7780rp_defconfig, use r7780mp_defconfig as kbuild default. sh: Kill off dead HS771RVoIP board support. sh: r7785rp: Fix up DECLARE_INTC_DESC() arg mismatch. sh: r7785rp: Hook up the rest of the HL7785 FPGA IRQ vectors. sh: r2d - enable sm501 usb host function sh: remove voyagergx sh: r2d - add lcd planel timings to sm501 platform data sh: Add OHCI and UDC platform devices for SH7720. sh: intc - remove default interrupt priority tables sh: Correct pte size mismatch for X2 TLB. ...
Diffstat (limited to 'arch/sh/kernel/cpu/sh3')
-rw-r--r--arch/sh/kernel/cpu/sh3/Makefile2
-rw-r--r--arch/sh/kernel/cpu/sh3/clock-sh7712.c71
-rw-r--r--arch/sh/kernel/cpu/sh3/entry.S24
-rw-r--r--arch/sh/kernel/cpu/sh3/ex.S2
-rw-r--r--arch/sh/kernel/cpu/sh3/probe.c9
-rw-r--r--arch/sh/kernel/cpu/sh3/setup-sh7705.c10
-rw-r--r--arch/sh/kernel/cpu/sh3/setup-sh770x.c11
-rw-r--r--arch/sh/kernel/cpu/sh3/setup-sh7710.c16
-rw-r--r--arch/sh/kernel/cpu/sh3/setup-sh7720.c78
9 files changed, 173 insertions, 50 deletions
diff --git a/arch/sh/kernel/cpu/sh3/Makefile b/arch/sh/kernel/cpu/sh3/Makefile
index 646eb693361..3ae4d9111f1 100644
--- a/arch/sh/kernel/cpu/sh3/Makefile
+++ b/arch/sh/kernel/cpu/sh3/Makefile
@@ -13,6 +13,7 @@ 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
+obj-$(CONFIG_CPU_SUBTYPE_SH7721) += setup-sh7720.o
# Primary on-chip clocks (common)
clock-$(CONFIG_CPU_SH3) := clock-sh3.o
@@ -21,5 +22,6 @@ 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
+clock-$(CONFIG_CPU_SUBTYPE_SH7712) := clock-sh7712.o
obj-y += $(clock-y)
diff --git a/arch/sh/kernel/cpu/sh3/clock-sh7712.c b/arch/sh/kernel/cpu/sh3/clock-sh7712.c
new file mode 100644
index 00000000000..54f54df51ef
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh3/clock-sh7712.c
@@ -0,0 +1,71 @@
+/*
+ * arch/sh/kernel/cpu/sh3/clock-sh7712.c
+ *
+ * SH7712 support for the clock framework
+ *
+ * Copyright (C) 2007 Andrew Murray <amurray@mpc-data.co.uk>
+ *
+ * Based on arch/sh/kernel/cpu/sh3/clock-sh3.c
+ * Copyright (C) 2005 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 <asm/clock.h>
+#include <asm/freq.h>
+#include <asm/io.h>
+
+static int multipliers[] = { 1, 2, 3 };
+static int divisors[] = { 1, 2, 3, 4, 6 };
+
+static void master_clk_init(struct clk *clk)
+{
+ int frqcr = ctrl_inw(FRQCR);
+ int idx = (frqcr & 0x0300) >> 8;
+
+ clk->rate *= multipliers[idx];
+}
+
+static struct clk_ops sh7712_master_clk_ops = {
+ .init = master_clk_init,
+};
+
+static void module_clk_recalc(struct clk *clk)
+{
+ int frqcr = ctrl_inw(FRQCR);
+ int idx = frqcr & 0x0007;
+
+ clk->rate = clk->parent->rate / divisors[idx];
+}
+
+static struct clk_ops sh7712_module_clk_ops = {
+ .recalc = module_clk_recalc,
+};
+
+static void cpu_clk_recalc(struct clk *clk)
+{
+ int frqcr = ctrl_inw(FRQCR);
+ int idx = (frqcr & 0x0030) >> 4;
+
+ clk->rate = clk->parent->rate / divisors[idx];
+}
+
+static struct clk_ops sh7712_cpu_clk_ops = {
+ .recalc = cpu_clk_recalc,
+};
+
+static struct clk_ops *sh7712_clk_ops[] = {
+ &sh7712_master_clk_ops,
+ &sh7712_module_clk_ops,
+ &sh7712_cpu_clk_ops,
+};
+
+void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
+{
+ if (idx < ARRAY_SIZE(sh7712_clk_ops))
+ *ops = sh7712_clk_ops[idx];
+}
+
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S
index 0d12a124055..4004073f98c 100644
--- a/arch/sh/kernel/cpu/sh3/entry.S
+++ b/arch/sh/kernel/cpu/sh3/entry.S
@@ -13,8 +13,9 @@
#include <linux/linkage.h>
#include <asm/asm-offsets.h>
#include <asm/thread_info.h>
-#include <asm/cpu/mmu_context.h>
#include <asm/unistd.h>
+#include <asm/cpu/mmu_context.h>
+#include <asm/page.h>
! NOTE:
! GNU as (as of 2.9.1) changes bf/s into bt/s and bra, when the address
@@ -409,6 +410,27 @@ ENTRY(handle_exception)
! Using k0, k1 for scratch registers (r0_bank1, r1_bank),
! save all registers onto stack.
!
+
+#ifdef CONFIG_GUSA
+ ! Check for roll back gRB (User and Kernel)
+ mov r15, k0
+ shll k0
+ bf/s 1f
+ shll k0
+ bf/s 1f
+ stc spc, k1
+ stc r0_bank, k0
+ cmp/hs k0, k1 ! test k1 (saved PC) >= k0 (saved r0)
+ bt/s 2f
+ stc r1_bank, k1
+
+ add #-2, k0
+ add r15, k0
+ ldc k0, spc ! PC = saved r0 + r15 - 2
+2: mov k1, r15 ! SP = r1
+1:
+#endif
+
stc ssr, k0 ! Is it from kernel space?
shll k0 ! Check MD bit (bit30) by shifting it into...
shll k0 ! ...the T bit
diff --git a/arch/sh/kernel/cpu/sh3/ex.S b/arch/sh/kernel/cpu/sh3/ex.S
index b6abf38d3a8..11b6d9c6eda 100644
--- a/arch/sh/kernel/cpu/sh3/ex.S
+++ b/arch/sh/kernel/cpu/sh3/ex.S
@@ -36,7 +36,7 @@ ENTRY(exception_handling_table)
.long exception_error ! address error store /* 100 */
#endif
#if defined(CONFIG_SH_FPU)
- .long do_fpu_error /* 120 */
+ .long fpu_error_trap_handler /* 120 */
#else
.long exception_error /* 120 */
#endif
diff --git a/arch/sh/kernel/cpu/sh3/probe.c b/arch/sh/kernel/cpu/sh3/probe.c
index bf579e061e0..fcc80bb7bee 100644
--- a/arch/sh/kernel/cpu/sh3/probe.c
+++ b/arch/sh/kernel/cpu/sh3/probe.c
@@ -16,11 +16,11 @@
#include <asm/cache.h>
#include <asm/io.h>
-int __init detect_cpu_and_cache_system(void)
+int __uses_jump_to_uncached detect_cpu_and_cache_system(void)
{
unsigned long addr0, addr1, data0, data1, data2, data3;
- jump_to_P2();
+ jump_to_uncached();
/*
* Check if the entry shadows or not.
* When shadowed, it's 128-entry system.
@@ -48,7 +48,7 @@ int __init detect_cpu_and_cache_system(void)
ctrl_outl(data0&~SH_CACHE_VALID, addr0);
ctrl_outl(data2&~SH_CACHE_VALID, addr1);
- back_to_P1();
+ back_to_cached();
boot_cpu_data.dcache.ways = 4;
boot_cpu_data.dcache.entry_shift = 4;
@@ -84,6 +84,9 @@ int __init detect_cpu_and_cache_system(void)
#if defined(CONFIG_CPU_SUBTYPE_SH7720)
boot_cpu_data.type = CPU_SH7720;
#endif
+#if defined(CONFIG_CPU_SUBTYPE_SH7721)
+ boot_cpu_data.type = CPU_SH7721;
+#endif
#if defined(CONFIG_CPU_SUBTYPE_SH7705)
boot_cpu_data.type = CPU_SH7705;
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7705.c b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
index f6c65f2659e..dd0a20a685f 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7705.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
@@ -66,12 +66,6 @@ static struct intc_group groups[] __initdata = {
INTC_GROUP(SCIF2, SCIF2_ERI, SCIF2_RXI, SCIF2_TXI),
};
-static struct intc_prio priorities[] __initdata = {
- INTC_PRIO(DMAC, 7),
- INTC_PRIO(SCIF2, 3),
- INTC_PRIO(SCIF0, 3),
-};
-
static struct intc_prio_reg prio_registers[] __initdata = {
{ 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
{ 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, 0, 0 } },
@@ -85,7 +79,7 @@ static struct intc_prio_reg prio_registers[] __initdata = {
};
static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, groups,
- priorities, NULL, prio_registers, NULL);
+ NULL, prio_registers, NULL);
static struct intc_vect vectors_irq[] __initdata = {
INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620),
@@ -93,7 +87,7 @@ static struct intc_vect vectors_irq[] __initdata = {
};
static DECLARE_INTC_DESC(intc_desc_irq, "sh7705-irq", vectors_irq, NULL,
- priorities, NULL, prio_registers, NULL);
+ NULL, prio_registers, NULL);
static struct plat_sci_port sci_platform_data[] = {
{
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh770x.c b/arch/sh/kernel/cpu/sh3/setup-sh770x.c
index 60b04b1f945..969804bb523 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh770x.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh770x.c
@@ -81,13 +81,6 @@ static struct intc_group groups[] __initdata = {
INTC_GROUP(SCIF2, SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI),
};
-static struct intc_prio priorities[] __initdata = {
- INTC_PRIO(DMAC, 7),
- INTC_PRIO(SCI, 3),
- INTC_PRIO(SCIF2, 3),
- INTC_PRIO(SCIF0, 3),
-};
-
static struct intc_prio_reg prio_registers[] __initdata = {
{ 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
{ 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF, SCI, 0 } },
@@ -109,7 +102,7 @@ static struct intc_prio_reg prio_registers[] __initdata = {
};
static DECLARE_INTC_DESC(intc_desc, "sh770x", vectors, groups,
- priorities, NULL, prio_registers, NULL);
+ NULL, prio_registers, NULL);
#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
defined(CONFIG_CPU_SUBTYPE_SH7707) || \
@@ -120,7 +113,7 @@ static struct intc_vect vectors_irq[] __initdata = {
};
static DECLARE_INTC_DESC(intc_desc_irq, "sh770x-irq", vectors_irq, NULL,
- priorities, NULL, prio_registers, NULL);
+ NULL, prio_registers, NULL);
#endif
static struct resource rtc_resources[] = {
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7710.c b/arch/sh/kernel/cpu/sh3/setup-sh7710.c
index 84e5629fa84..0cc0e2bf135 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7710.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7710.c
@@ -73,18 +73,6 @@ static struct intc_group groups[] __initdata = {
INTC_GROUP(SIOF1, SIOF1_ERI, SIOF1_TXI, SIOF1_RXI, SIOF1_CCI),
};
-static struct intc_prio priorities[] __initdata = {
- INTC_PRIO(DMAC1, 7),
- INTC_PRIO(DMAC2, 7),
- INTC_PRIO(SCIF0, 3),
- INTC_PRIO(SCIF1, 3),
- INTC_PRIO(SIOF0, 3),
- INTC_PRIO(SIOF1, 3),
- INTC_PRIO(EDMAC0, 5),
- INTC_PRIO(EDMAC1, 5),
- INTC_PRIO(EDMAC2, 5),
-};
-
static struct intc_prio_reg prio_registers[] __initdata = {
{ 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
{ 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF, 0, 0 } },
@@ -101,7 +89,7 @@ static struct intc_prio_reg prio_registers[] __initdata = {
};
static DECLARE_INTC_DESC(intc_desc, "sh7710", vectors, groups,
- priorities, NULL, prio_registers, NULL);
+ NULL, prio_registers, NULL);
static struct intc_vect vectors_irq[] __initdata = {
INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620),
@@ -109,7 +97,7 @@ static struct intc_vect vectors_irq[] __initdata = {
};
static DECLARE_INTC_DESC(intc_desc_irq, "sh7710-irq", vectors_irq, NULL,
- priorities, NULL, prio_registers, NULL);
+ NULL, prio_registers, NULL);
static struct resource rtc_resources[] = {
[0] = {
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7720.c b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
index a0929b8a95a..3855ea4c21c 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7720.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
@@ -85,9 +85,62 @@ static struct platform_device sci_device = {
},
};
+static struct resource usb_ohci_resources[] = {
+ [0] = {
+ .start = 0xA4428000,
+ .end = 0xA44280FF,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 67,
+ .end = 67,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 usb_ohci_dma_mask = 0xffffffffUL;
+static struct platform_device usb_ohci_device = {
+ .name = "sh_ohci",
+ .id = -1,
+ .dev = {
+ .dma_mask = &usb_ohci_dma_mask,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(usb_ohci_resources),
+ .resource = usb_ohci_resources,
+};
+
+static struct resource usbf_resources[] = {
+ [0] = {
+ .name = "sh_udc",
+ .start = 0xA4420000,
+ .end = 0xA44200FF,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .name = "sh_udc",
+ .start = 65,
+ .end = 65,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device usbf_device = {
+ .name = "sh_udc",
+ .id = -1,
+ .dev = {
+ .dma_mask = NULL,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(usbf_resources),
+ .resource = usbf_resources,
+};
+
static struct platform_device *sh7720_devices[] __initdata = {
&rtc_device,
&sci_device,
+ &usb_ohci_device,
+ &usbf_device,
};
static int __init sh7720_devices_setup(void)
@@ -127,8 +180,11 @@ static struct intc_vect vectors[] __initdata = {
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),
+#if defined(CONFIG_CPU_SUBTYPE_SH7720)
+ INTC_VECT(SSL, 0x980),
+#endif
+ 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),
@@ -153,22 +209,16 @@ static struct intc_group groups[] __initdata = {
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 } },
+#if defined(CONFIG_CPU_SUBTYPE_SH7720)
{ 0xA414001AUL, 0, 16, 4, /* IPRE */ { DMAC1, 0, LCDC, SSL } },
+#else
+ { 0xA414001AUL, 0, 16, 4, /* IPRE */ { DMAC1, 0, LCDC, 0 } },
+#endif
{ 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 } },
@@ -177,7 +227,7 @@ static struct intc_prio_reg prio_registers[] __initdata = {
};
static DECLARE_INTC_DESC(intc_desc, "sh7720", vectors, groups,
- priorities, NULL, prio_registers, NULL);
+ NULL, prio_registers, NULL);
static struct intc_sense_reg sense_registers[] __initdata = {
{ INTC_ICR1, 16, 2, { 0, 0, IRQ5, IRQ4, IRQ3, IRQ2, IRQ1, IRQ0 } },
@@ -190,7 +240,7 @@ static struct intc_vect vectors_irq[] __initdata = {
};
static DECLARE_INTC_DESC(intc_irq_desc, "sh7720-irq", vectors_irq,
- NULL, priorities, NULL, prio_registers, sense_registers);
+ NULL, NULL, prio_registers, sense_registers);
void __init plat_irq_setup_pins(int mode)
{