From c63847a3621d2bac054f5709783860ecabd0ee7e Mon Sep 17 00:00:00 2001 From: Nobuhiro Iwamatsu Date: Fri, 6 Jun 2008 17:04:08 +0900 Subject: sh: Add SCIF2 support for SH7763. SH7763 has 3 SCIF device. Current code supports SCIF0 and 1. SCIF0 and 1 are same register constitution, but only SCIF2 is different. I added support of SCIF2. Signed-off-by: Nobuhiro Iwamatsu Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4a/setup-sh7763.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c index f189a55..3b278df 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c @@ -3,6 +3,7 @@ * * Copyright (C) 2006 Paul Mundt * Copyright (C) 2007 Yoshihiro Shimoda + * Copyright (C) 2008 Nobuhiro Iwamatsu * * 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 @@ -56,6 +57,11 @@ static struct plat_sci_port sci_platform_data[] = { .type = PORT_SCIF, .irqs = { 76, 77, 79, 78 }, }, { + .mapbase = 0xffe10000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 104, 105, 107, 106 }, + }, { .flags = 0, } }; @@ -208,8 +214,8 @@ static struct intc_vect vectors[] __initdata = { INTC_VECT(TMU5, 0xe40), INTC_VECT(ADC, 0xe60), INTC_VECT(SSI0, 0xe80), INTC_VECT(SSI1, 0xea0), INTC_VECT(SSI2, 0xec0), INTC_VECT(SSI3, 0xee0), - INTC_VECT(SCIF1_ERI, 0xf00), INTC_VECT(SCIF1_RXI, 0xf20), - INTC_VECT(SCIF1_BRI, 0xf40), INTC_VECT(SCIF1_TXI, 0xf60), + INTC_VECT(SCIF2_ERI, 0xf00), INTC_VECT(SCIF2_RXI, 0xf20), + INTC_VECT(SCIF2_BRI, 0xf40), INTC_VECT(SCIF2_TXI, 0xf60), INTC_VECT(GPIO_CH0, 0xf80), INTC_VECT(GPIO_CH1, 0xfa0), INTC_VECT(GPIO_CH2, 0xfc0), INTC_VECT(GPIO_CH3, 0xfe0), }; -- cgit v1.1 From 4c1cfab1e0f9a41246cfdcca78f3700fb67f0a5c Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Wed, 18 Jun 2008 03:36:50 +0300 Subject: sh/kernel/ cleanups This patch contains the following cleanups: - make the following needlessly global code static: - cf-enabler.c: cf_init() - cpu/clock.c: __clk_enable() - cpu/clock.c: __clk_disable() - process_32.c: default_idle() - time_32.c: struct clocksource_sh - timers/timer-tmu.c: struct tmu_timer_ops - remove the following unused functions (no CONFIG_BLK_DEV_FD on sh): - process_{32,64}.c: disable_hlt() - process_{32,64}.c: enable_hlt() Signed-off-by: Adrian Bunk Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/clock.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c index b5f1e23..73334c6 100644 --- a/arch/sh/kernel/cpu/clock.c +++ b/arch/sh/kernel/cpu/clock.c @@ -88,7 +88,7 @@ static void propagate_rate(struct clk *clk) } } -int __clk_enable(struct clk *clk) +static int __clk_enable(struct clk *clk) { /* * See if this is the first time we're enabling the clock, some @@ -111,7 +111,6 @@ int __clk_enable(struct clk *clk) return 0; } -EXPORT_SYMBOL_GPL(__clk_enable); int clk_enable(struct clk *clk) { @@ -131,7 +130,7 @@ static void clk_kref_release(struct kref *kref) /* Nothing to do */ } -void __clk_disable(struct clk *clk) +static void __clk_disable(struct clk *clk) { int count = kref_put(&clk->kref, clk_kref_release); @@ -143,7 +142,6 @@ void __clk_disable(struct clk *clk) clk->ops->disable(clk); } } -EXPORT_SYMBOL_GPL(__clk_disable); void clk_disable(struct clk *clk) { -- cgit v1.1 From d88a3ea6fa4c98d482240a6a85945ed448b7671d Mon Sep 17 00:00:00 2001 From: Yoshinori Sato Date: Tue, 1 Jul 2008 22:20:24 -0400 Subject: SH7619 add ethernet controler support - Add EtherC + PHY resource define. Signed-off-by: Yoshinori Sato Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh2/setup-sh7619.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh2/setup-sh7619.c b/arch/sh/kernel/cpu/sh2/setup-sh7619.c index cc530f4..56e5878 100644 --- a/arch/sh/kernel/cpu/sh2/setup-sh7619.c +++ b/arch/sh/kernel/cpu/sh2/setup-sh7619.c @@ -96,8 +96,32 @@ static struct platform_device sci_device = { }, }; +static struct resource eth_resources[] = { + [0] = { + .start = 0xfb000000, + .end = 0xfb0001c8, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 85, + .end = 85, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device eth_device = { + .name = "sh-eth", + .id = -1, + .dev = { + .platform_data = (void *)1, + }, + .num_resources = ARRAY_SIZE(eth_resources), + .resource = eth_resources, +}; + static struct platform_device *sh7619_devices[] __initdata = { &sci_device, + ð_device, }; static int __init sh7619_devices_setup(void) -- cgit v1.1 From ef9247ef89be79ffbd9faaf722e05b7bed14fc1e Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Wed, 2 Jul 2008 13:58:38 +0900 Subject: sh: Tidy up the SH-3 exception vector table. Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh3/ex.S | 38 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 19 deletions(-) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh3/ex.S b/arch/sh/kernel/cpu/sh3/ex.S index 11b6d9c..dac4297 100644 --- a/arch/sh/kernel/cpu/sh3/ex.S +++ b/arch/sh/kernel/cpu/sh3/ex.S @@ -4,7 +4,7 @@ * The SH-3 and SH-4 exception vector table. * Copyright (C) 1999, 2000, 2002 Niibe Yutaka - * Copyright (C) 2003 - 2006 Paul Mundt + * Copyright (C) 2003 - 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 @@ -12,13 +12,30 @@ */ #include +#if !defined(CONFIG_MMU) +#define tlb_miss_load exception_error +#define tlb_miss_store exception_error +#define initial_page_write exception_error +#define tlb_protection_violation_load exception_error +#define tlb_protection_violation_store exception_error +#define address_error_load exception_error +#define address_error_store exception_error +#endif + +#if !defined(CONFIG_SH_FPU) +#define fpu_error_trap_handler exception_error +#endif + +#if !defined(CONFIG_KGDB_NMI) +#define kgdb_handle_exception exception_error +#endif + .align 2 .data ENTRY(exception_handling_table) .long exception_error /* 000 */ .long exception_error -#if defined(CONFIG_MMU) .long tlb_miss_load /* 040 */ .long tlb_miss_store .long initial_page_write @@ -26,30 +43,13 @@ ENTRY(exception_handling_table) .long tlb_protection_violation_store .long address_error_load .long address_error_store /* 100 */ -#else - .long exception_error ! tlb miss load /* 040 */ - .long exception_error ! tlb miss store - .long exception_error ! initial page write - .long exception_error ! tlb prot violation load - .long exception_error ! tlb prot violation store - .long exception_error ! address error load - .long exception_error ! address error store /* 100 */ -#endif -#if defined(CONFIG_SH_FPU) .long fpu_error_trap_handler /* 120 */ -#else - .long exception_error /* 120 */ -#endif .long exception_error /* 140 */ .long system_call ! Unconditional Trap /* 160 */ .long exception_error ! reserved_instruction (filled by trap_init) /* 180 */ .long exception_error ! illegal_slot_instruction (filled by trap_init) /*1A0*/ ENTRY(nmi_slot) -#if defined (CONFIG_KGDB_NMI) .long kgdb_handle_exception /* 1C0 */ ! Allow trap to debugger -#else - .long exception_none /* 1C0 */ ! Not implemented yet -#endif ENTRY(user_break_point_trap) .long break_point_trap /* 1E0 */ -- cgit v1.1 From 3611ee7acc113e5e482b7d20d5133935226f3129 Mon Sep 17 00:00:00 2001 From: Stuart Menefy Date: Wed, 2 Jul 2008 15:15:09 +0900 Subject: sh: Stub in silicon cut in CPU info. Signed-off-by: Stuart Menefy Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4/probe.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c index be49269..db442f3 100644 --- a/arch/sh/kernel/cpu/sh4/probe.c +++ b/arch/sh/kernel/cpu/sh4/probe.c @@ -64,6 +64,9 @@ int __init detect_cpu_and_cache_system(void) if ((cvr & 0x20000000) == 1) boot_cpu_data.flags |= CPU_HAS_FPU; + /* We don't know the chip cut */ + boot_cpu_data.cut_major = boot_cpu_data.cut_minor = -1; + /* Mask off the upper chip ID */ pvr &= 0xffff; -- cgit v1.1 From 068f59143d821553e7a55cdbd69142b05e245d47 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Wed, 2 Jul 2008 17:46:40 +0900 Subject: sh: Record the major cut revision for probed SH-4A parts. Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4/probe.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c index db442f3..2e42572 100644 --- a/arch/sh/kernel/cpu/sh4/probe.c +++ b/arch/sh/kernel/cpu/sh4/probe.c @@ -50,23 +50,24 @@ int __init detect_cpu_and_cache_system(void) boot_cpu_data.dcache.ways = 1; boot_cpu_data.dcache.linesz = L1_CACHE_BYTES; + /* We don't know the chip cut */ + boot_cpu_data.cut_major = boot_cpu_data.cut_minor = -1; + /* * Setup some generic flags we can probe on SH-4A parts */ - if (((pvr >> 24) & 0xff) == 0x10) { + if (((pvr >> 16) & 0xff) == 0x10) { if ((cvr & 0x10000000) == 0) boot_cpu_data.flags |= CPU_HAS_DSP; boot_cpu_data.flags |= CPU_HAS_LLSC; + boot_cpu_data.cut_major = pvr & 0x7f; } /* FPU detection works for everyone */ if ((cvr & 0x20000000) == 1) boot_cpu_data.flags |= CPU_HAS_FPU; - /* We don't know the chip cut */ - boot_cpu_data.cut_major = boot_cpu_data.cut_minor = -1; - /* Mask off the upper chip ID */ pvr &= 0xffff; -- cgit v1.1 From 6bdfb22a8e1ffa37ae4ad35b87cb02958d1901e5 Mon Sep 17 00:00:00 2001 From: Yoshihiro Shimoda Date: Fri, 4 Jul 2008 12:37:12 +0900 Subject: sh: add interrupt ack code to sh4a This patch is based on interrupt acknowledge code for external interrupt sources on sh3 processors and adds on sh4a processors. Signed-off-by: Yoshihiro Shimoda Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/irq/intc.c | 31 +++++++++++++++++++++++-------- arch/sh/kernel/cpu/sh4a/setup-sh7366.c | 10 ++++++++-- arch/sh/kernel/cpu/sh4a/setup-sh7722.c | 10 ++++++++-- arch/sh/kernel/cpu/sh4a/setup-sh7723.c | 10 ++++++++-- arch/sh/kernel/cpu/sh4a/setup-sh7763.c | 11 ++++++++--- arch/sh/kernel/cpu/sh4a/setup-sh7780.c | 11 ++++++++--- arch/sh/kernel/cpu/sh4a/setup-sh7785.c | 17 +++++++++++------ 7 files changed, 74 insertions(+), 26 deletions(-) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/irq/intc.c b/arch/sh/kernel/cpu/irq/intc.c index da5dae7..8c70e20 100644 --- a/arch/sh/kernel/cpu/irq/intc.c +++ b/arch/sh/kernel/cpu/irq/intc.c @@ -62,7 +62,7 @@ struct intc_desc_int { #endif static unsigned int intc_prio_level[NR_IRQS]; /* for now */ -#ifdef CONFIG_CPU_SH3 +#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A) static unsigned long ack_handle[NR_IRQS]; #endif @@ -231,7 +231,7 @@ static void intc_disable(unsigned int irq) } } -#ifdef CONFIG_CPU_SH3 +#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A) static void intc_mask_ack(unsigned int irq) { struct intc_desc_int *d = get_intc_desc(irq); @@ -244,8 +244,23 @@ static void intc_mask_ack(unsigned int irq) if (handle) { addr = INTC_REG(d, _INTC_ADDR_D(handle), 0); - ctrl_inb(addr); - ctrl_outb(0x3f ^ set_field(0, 1, handle), addr); + switch (_INTC_FN(handle)) { + case REG_FN_MODIFY_BASE + 0: /* 8bit */ + ctrl_inb(addr); + ctrl_outb(0xff ^ set_field(0, 1, handle), addr); + break; + case REG_FN_MODIFY_BASE + 1: /* 16bit */ + ctrl_inw(addr); + ctrl_outw(0xffff ^ set_field(0, 1, handle), addr); + break; + case REG_FN_MODIFY_BASE + 3: /* 32bit */ + ctrl_inl(addr); + ctrl_outl(0xffffffff ^ set_field(0, 1, handle), addr); + break; + default: + BUG(); + break; + } } } #endif @@ -466,7 +481,7 @@ static unsigned int __init intc_prio_data(struct intc_desc *desc, return 0; } -#ifdef CONFIG_CPU_SH3 +#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A) static unsigned int __init intc_ack_data(struct intc_desc *desc, struct intc_desc_int *d, intc_enum enum_id) @@ -601,7 +616,7 @@ static void __init intc_register_irq(struct intc_desc *desc, /* irq should be disabled by default */ d->chip.mask(irq); -#ifdef CONFIG_CPU_SH3 +#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A) if (desc->ack_regs) ack_handle[irq] = intc_ack_data(desc, d, enum_id); #endif @@ -635,7 +650,7 @@ void __init register_intc_controller(struct intc_desc *desc) d->nr_reg += desc->prio_regs ? desc->nr_prio_regs * 2 : 0; d->nr_reg += desc->sense_regs ? desc->nr_sense_regs : 0; -#ifdef CONFIG_CPU_SH3 +#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A) d->nr_reg += desc->ack_regs ? desc->nr_ack_regs : 0; #endif d->reg = alloc_bootmem(d->nr_reg * sizeof(*d->reg)); @@ -676,7 +691,7 @@ void __init register_intc_controller(struct intc_desc *desc) d->chip.mask_ack = intc_disable; d->chip.set_type = intc_set_sense; -#ifdef CONFIG_CPU_SH3 +#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A) if (desc->ack_regs) { for (i = 0; i < desc->nr_ack_regs; i++) k += save_reg(d, k, desc->ack_regs[i].set_reg, 0); diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c index f26b5cd..f97ea8e 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c @@ -163,8 +163,14 @@ static struct intc_sense_reg sense_registers[] __initdata = { { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, }; -static DECLARE_INTC_DESC(intc_desc, "sh7366", vectors, groups, - mask_registers, prio_registers, sense_registers); +static struct intc_mask_reg ack_registers[] __initdata = { + { 0xa4140024, 0, 8, /* INTREQ00 */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static DECLARE_INTC_DESC_ACK(intc_desc, "sh7366", vectors, groups, + mask_registers, prio_registers, sense_registers, + ack_registers); void __init plat_irq_setup(void) { diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c index 62ebccf..d8617b6 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c @@ -229,8 +229,14 @@ static struct intc_sense_reg sense_registers[] __initdata = { { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, }; -static DECLARE_INTC_DESC(intc_desc, "sh7722", vectors, groups, - mask_registers, prio_registers, sense_registers); +static struct intc_mask_reg ack_registers[] __initdata = { + { 0xa4140024, 0, 8, /* INTREQ00 */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static DECLARE_INTC_DESC_ACK(intc_desc, "sh7722", vectors, groups, + mask_registers, prio_registers, sense_registers, + ack_registers); void __init plat_irq_setup(void) { diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c index a0470f2..abd1ca0 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c @@ -326,8 +326,14 @@ static struct intc_sense_reg sense_registers[] __initdata = { { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, }; -static DECLARE_INTC_DESC(intc_desc, "sh7723", vectors, groups, - mask_registers, prio_registers, sense_registers); +static struct intc_mask_reg ack_registers[] __initdata = { + { 0xa4140024, 0, 8, /* INTREQ00 */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static DECLARE_INTC_DESC_ACK(intc_desc, "sh7723", vectors, groups, + mask_registers, prio_registers, sense_registers, + ack_registers); void __init plat_irq_setup(void) { diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c index 3b278df..3c5b629 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c @@ -296,9 +296,14 @@ static struct intc_sense_reg irq_sense_registers[] __initdata = { IRQ4, IRQ5, IRQ6, IRQ7 } }, }; -static DECLARE_INTC_DESC(intc_irq_desc, "sh7763-irq", irq_vectors, - NULL, irq_mask_registers, irq_prio_registers, - irq_sense_registers); +static struct intc_mask_reg irq_ack_registers[] __initdata = { + { 0xffd00024, 0, 32, /* INTREQ */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7763-irq", irq_vectors, + NULL, irq_mask_registers, irq_prio_registers, + irq_sense_registers, irq_ack_registers); /* External interrupt pins in IRL mode */ diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c index 18dbbe2..fb8200c 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c @@ -217,9 +217,14 @@ static struct intc_sense_reg irq_sense_registers[] __initdata = { IRQ4, IRQ5, IRQ6, IRQ7 } }, }; -static DECLARE_INTC_DESC(intc_irq_desc, "sh7780-irq", irq_vectors, - NULL, irq_mask_registers, irq_prio_registers, - irq_sense_registers); +static struct intc_mask_reg irq_ack_registers[] __initdata = { + { 0xffd00024, 0, 32, /* INTREQ */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7780-irq", irq_vectors, + NULL, irq_mask_registers, irq_prio_registers, + irq_sense_registers, irq_ack_registers); /* External interrupt pins in IRL mode */ diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c index 621e732..30baa63 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c @@ -238,13 +238,18 @@ static struct intc_sense_reg sense_registers[] __initdata = { IRQ4, IRQ5, IRQ6, IRQ7 } }, }; -static DECLARE_INTC_DESC(intc_desc_irq0123, "sh7785-irq0123", vectors_irq0123, - NULL, mask_registers, prio_registers, - sense_registers); +static struct intc_mask_reg ack_registers[] __initdata = { + { 0xffd00024, 0, 32, /* INTREQ */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static DECLARE_INTC_DESC_ACK(intc_desc_irq0123, "sh7785-irq0123", + vectors_irq0123, NULL, mask_registers, + prio_registers, sense_registers, ack_registers); -static DECLARE_INTC_DESC(intc_desc_irq4567, "sh7785-irq4567", vectors_irq4567, - NULL, mask_registers, prio_registers, - sense_registers); +static DECLARE_INTC_DESC_ACK(intc_desc_irq4567, "sh7785-irq4567", + vectors_irq4567, NULL, mask_registers, + prio_registers, sense_registers, ack_registers); /* External interrupt pins in IRL mode */ -- cgit v1.1 From 7549079d846651ee24150a24f9bb3b6e06ae67db Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Sat, 5 Jul 2008 12:31:46 +0900 Subject: sh: add SuperH Mobile I2C platform data to sh7343 This patch adds platform data for two I2C channels to the sh7343. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4a/setup-sh7343.c | 42 ++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c index 6d4f50c..612002e 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c @@ -12,6 +12,46 @@ #include #include +static struct resource iic0_resources[] = { + [0] = { + .name = "IIC0", + .start = 0x04470000, + .end = 0x04470017, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 96, + .end = 99, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device iic0_device = { + .name = "i2c-sh_mobile", + .num_resources = ARRAY_SIZE(iic0_resources), + .resource = iic0_resources, +}; + +static struct resource iic1_resources[] = { + [0] = { + .name = "IIC1", + .start = 0x04750000, + .end = 0x04750017, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 44, + .end = 47, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device iic1_device = { + .name = "i2c-sh_mobile", + .num_resources = ARRAY_SIZE(iic1_resources), + .resource = iic1_resources, +}; + static struct plat_sci_port sci_platform_data[] = { { .mapbase = 0xffe00000, @@ -32,6 +72,8 @@ static struct platform_device sci_device = { }; static struct platform_device *sh7343_devices[] __initdata = { + &iic0_device, + &iic1_device, &sci_device, }; -- cgit v1.1 From da7d3029d1bbcd3d6489f4524056598ec030d3b0 Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Sat, 5 Jul 2008 12:32:06 +0900 Subject: sh: add SuperH Mobile I2C platform data to sh7723 This patch adds platform data for the single I2C channel on sh7723. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4a/setup-sh7723.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c index abd1ca0..1b4533b 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c @@ -113,9 +113,30 @@ static struct platform_device sh7723_usb_host_device = { .resource = sh7723_usb_host_resources, }; +static struct resource iic_resources[] = { + [0] = { + .name = "IIC", + .start = 0x04470000, + .end = 0x04470017, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 96, + .end = 99, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device iic_device = { + .name = "i2c-sh_mobile", + .num_resources = ARRAY_SIZE(iic_resources), + .resource = iic_resources, +}; + static struct platform_device *sh7723_devices[] __initdata = { &sci_device, &rtc_device, + &iic_device, &sh7723_usb_host_device, }; -- cgit v1.1 From 0fff76f2da9dd0cd1918822cdc99d0191f9b78cf Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Sat, 5 Jul 2008 12:32:23 +0900 Subject: sh: add SuperH Mobile I2C platform data to sh7366 This patch adds platform data for the single I2C channel on sh7366. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4a/setup-sh7366.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c index f97ea8e..add99e4 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c @@ -14,6 +14,26 @@ #include #include +static struct resource iic_resources[] = { + [0] = { + .name = "IIC", + .start = 0x04470000, + .end = 0x04470017, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 96, + .end = 99, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device iic_device = { + .name = "i2c-sh_mobile", + .num_resources = ARRAY_SIZE(iic_resources), + .resource = iic_resources, +}; + static struct plat_sci_port sci_platform_data[] = { { .mapbase = 0xffe00000, @@ -34,6 +54,7 @@ static struct platform_device sci_device = { }; static struct platform_device *sh7366_devices[] __initdata = { + &iic_device, &sci_device, }; -- cgit v1.1 From a4e1d08491b06b17eb77c92caacd40b330ca8146 Mon Sep 17 00:00:00 2001 From: Yoshihiro Shimoda Date: Mon, 7 Jul 2008 21:11:51 +0900 Subject: sh: update sh7343 code updated the following codes for SH7343: - add register_intc_controller() - add EARLY_SCIF_CONSOLE_PORT - add define of CPG register Signed-off-by: Yoshihiro Shimoda Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4a/setup-sh7343.c | 135 +++++++++++++++++++++++++++++++++ 1 file changed, 135 insertions(+) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c index 612002e..3e3b502 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c @@ -84,6 +84,141 @@ static int __init sh7343_devices_setup(void) } __initcall(sh7343_devices_setup); +enum { + UNUSED = 0, + + /* interrupt sources */ + IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7, + DMAC0, DMAC1, DMAC2, DMAC3, + VIO_CEUI, VIO_BEUI, VIO_VEUI, VOU, + MFI, VPU, TPU, Z3D4, USBI0, USBI1, + MMC_ERR, MMC_TRAN, MMC_FSTAT, MMC_FRDY, + DMAC4, DMAC5, DMAC_DADERR, + KEYSC, + SCIF, SCIF1, SCIF2, SCIF3, SCIF4, + SIOF0, SIOF1, SIO, + FLCTL_FLSTEI, FLCTL_FLENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I, + I2C0_ALI, I2C0_TACKI, I2C0_WAITI, I2C0_DTEI, + I2C1_ALI, I2C1_TACKI, I2C1_WAITI, I2C1_DTEI, + SIM_TEI, SIM_TXI, SIM_RXI, SIM_ERI, + IRDA, + SDHI0, SDHI1, SDHI2, SDHI3, + CMT, TSIF, SIU, + TMU0, TMU1, TMU2, + JPU, LCDC, + + /* interrupt groups */ + + DMAC0123, VIOVOU, MMC, DMAC45, FLCTL, I2C0, I2C1, SIM, SDHI, USB, +}; + +static struct intc_vect vectors[] __initdata = { + INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620), + INTC_VECT(IRQ2, 0x640), INTC_VECT(IRQ3, 0x660), + INTC_VECT(IRQ4, 0x680), INTC_VECT(IRQ5, 0x6a0), + INTC_VECT(IRQ6, 0x6c0), INTC_VECT(IRQ7, 0x6e0), + INTC_VECT(I2C1_ALI, 0x780), INTC_VECT(I2C1_TACKI, 0x7a0), + INTC_VECT(I2C1_WAITI, 0x7c0), INTC_VECT(I2C1_DTEI, 0x7e0), + INTC_VECT(DMAC0, 0x800), INTC_VECT(DMAC1, 0x820), + INTC_VECT(DMAC2, 0x840), INTC_VECT(DMAC3, 0x860), + INTC_VECT(VIO_CEUI, 0x880), INTC_VECT(VIO_BEUI, 0x8a0), + INTC_VECT(VIO_VEUI, 0x8c0), INTC_VECT(VOU, 0x8e0), + INTC_VECT(MFI, 0x900), INTC_VECT(VPU, 0x980), + INTC_VECT(TPU, 0x9a0), INTC_VECT(Z3D4, 0x9e0), + INTC_VECT(USBI0, 0xa20), INTC_VECT(USBI1, 0xa40), + INTC_VECT(MMC_ERR, 0xb00), INTC_VECT(MMC_TRAN, 0xb20), + INTC_VECT(MMC_FSTAT, 0xb40), INTC_VECT(MMC_FRDY, 0xb60), + INTC_VECT(DMAC4, 0xb80), INTC_VECT(DMAC5, 0xba0), + INTC_VECT(DMAC_DADERR, 0xbc0), INTC_VECT(KEYSC, 0xbe0), + INTC_VECT(SCIF, 0xc00), INTC_VECT(SCIF1, 0xc20), + INTC_VECT(SCIF2, 0xc40), INTC_VECT(SCIF3, 0xc60), + INTC_VECT(SIOF0, 0xc80), INTC_VECT(SIOF1, 0xca0), + INTC_VECT(SIO, 0xd00), + INTC_VECT(FLCTL_FLSTEI, 0xd80), INTC_VECT(FLCTL_FLENDI, 0xda0), + INTC_VECT(FLCTL_FLTREQ0I, 0xdc0), INTC_VECT(FLCTL_FLTREQ1I, 0xde0), + INTC_VECT(I2C0_ALI, 0xe00), INTC_VECT(I2C0_TACKI, 0xe20), + INTC_VECT(I2C0_WAITI, 0xe40), INTC_VECT(I2C0_DTEI, 0xe60), + INTC_VECT(SDHI0, 0xe80), INTC_VECT(SDHI1, 0xea0), + INTC_VECT(SDHI2, 0xec0), INTC_VECT(SDHI3, 0xee0), + INTC_VECT(CMT, 0xf00), INTC_VECT(TSIF, 0xf20), + INTC_VECT(SIU, 0xf80), + INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420), + INTC_VECT(TMU2, 0x440), + INTC_VECT(JPU, 0x560), INTC_VECT(LCDC, 0x580), +}; + +static struct intc_group groups[] __initdata = { + INTC_GROUP(DMAC0123, DMAC0, DMAC1, DMAC2, DMAC3), + INTC_GROUP(VIOVOU, VIO_CEUI, VIO_BEUI, VIO_VEUI, VOU), + INTC_GROUP(MMC, MMC_FRDY, MMC_FSTAT, MMC_TRAN, MMC_ERR), + INTC_GROUP(DMAC45, DMAC4, DMAC5, DMAC_DADERR), + INTC_GROUP(FLCTL, FLCTL_FLSTEI, FLCTL_FLENDI, + FLCTL_FLTREQ0I, FLCTL_FLTREQ1I), + INTC_GROUP(I2C0, I2C0_ALI, I2C0_TACKI, I2C0_WAITI, I2C0_DTEI), + INTC_GROUP(I2C1, I2C1_ALI, I2C1_TACKI, I2C1_WAITI, I2C1_DTEI), + INTC_GROUP(SIM, SIM_TEI, SIM_TXI, SIM_RXI, SIM_ERI), + INTC_GROUP(SDHI, SDHI0, SDHI1, SDHI2, SDHI3), + INTC_GROUP(USB, USBI0, USBI1), +}; + +static struct intc_mask_reg mask_registers[] __initdata = { + { 0xa4080084, 0xa40800c4, 8, /* IMR1 / IMCR1 */ + { VOU, VIO_VEUI, VIO_BEUI, VIO_CEUI, DMAC3, DMAC2, DMAC1, DMAC0 } }, + { 0xa4080088, 0xa40800c8, 8, /* IMR2 / IMCR2 */ + { 0, 0, 0, VPU, 0, 0, 0, MFI } }, + { 0xa408008c, 0xa40800cc, 8, /* IMR3 / IMCR3 */ + { SIM_TEI, SIM_TXI, SIM_RXI, SIM_ERI, 0, 0, 0, IRDA } }, + { 0xa4080090, 0xa40800d0, 8, /* IMR4 / IMCR4 */ + { 0, TMU2, TMU1, TMU0, JPU, 0, 0, LCDC } }, + { 0xa4080094, 0xa40800d4, 8, /* IMR5 / IMCR5 */ + { KEYSC, DMAC_DADERR, DMAC5, DMAC4, SCIF3, SCIF2, SCIF1, SCIF } }, + { 0xa4080098, 0xa40800d8, 8, /* IMR6 / IMCR6 */ + { 0, 0, 0, SIO, Z3D4, 0, SIOF1, SIOF0 } }, + { 0xa408009c, 0xa40800dc, 8, /* IMR7 / IMCR7 */ + { I2C0_DTEI, I2C0_WAITI, I2C0_TACKI, I2C0_ALI, + FLCTL_FLTREQ1I, FLCTL_FLTREQ0I, FLCTL_FLENDI, FLCTL_FLSTEI } }, + { 0xa40800a0, 0xa40800e0, 8, /* IMR8 / IMCR8 */ + { SDHI3, SDHI2, SDHI1, SDHI0, 0, 0, 0, SIU } }, + { 0xa40800a4, 0xa40800e4, 8, /* IMR9 / IMCR9 */ + { 0, 0, 0, CMT, 0, USBI1, USBI0 } }, + { 0xa40800a8, 0xa40800e8, 8, /* IMR10 / IMCR10 */ + { MMC_FRDY, MMC_FSTAT, MMC_TRAN, MMC_ERR } }, + { 0xa40800ac, 0xa40800ec, 8, /* IMR11 / IMCR11 */ + { I2C1_DTEI, I2C1_WAITI, I2C1_TACKI, I2C1_ALI, TPU, 0, 0, TSIF } }, + { 0xa4140044, 0xa4140064, 8, /* INTMSK00 / INTMSKCLR00 */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static struct intc_prio_reg prio_registers[] __initdata = { + { 0xa4080000, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2 } }, + { 0xa4080004, 0, 16, 4, /* IPRB */ { JPU, LCDC, SIM } }, + { 0xa4080010, 0, 16, 4, /* IPRE */ { DMAC0123, VIOVOU, MFI, VPU } }, + { 0xa4080014, 0, 16, 4, /* IPRF */ { KEYSC, DMAC45, USB, CMT } }, + { 0xa4080018, 0, 16, 4, /* IPRG */ { SCIF, SCIF1, SCIF2, SCIF3 } }, + { 0xa408001c, 0, 16, 4, /* IPRH */ { SIOF0, SIOF1, FLCTL, I2C0 } }, + { 0xa4080020, 0, 16, 4, /* IPRI */ { SIO, 0, TSIF, I2C1 } }, + { 0xa4080024, 0, 16, 4, /* IPRJ */ { Z3D4, 0, SIU } }, + { 0xa4080028, 0, 16, 4, /* IPRK */ { 0, MMC, 0, SDHI } }, + { 0xa408002c, 0, 16, 4, /* IPRL */ { 0, 0, TPU } }, + { 0xa4140010, 0, 32, 4, /* INTPRI00 */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static struct intc_sense_reg sense_registers[] __initdata = { + { 0xa414001c, 16, 2, /* ICR1 */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static struct intc_mask_reg ack_registers[] __initdata = { + { 0xa4140024, 0, 8, /* INTREQ00 */ + { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, +}; + +static DECLARE_INTC_DESC_ACK(intc_desc, "sh7343", vectors, groups, + mask_registers, prio_registers, sense_registers, + ack_registers); + void __init plat_irq_setup(void) { + register_intc_controller(&intc_desc); } -- cgit v1.1 From 6e80f5e8c4c685eb7bc34c3916e3d986b03f9981 Mon Sep 17 00:00:00 2001 From: Yoshinori Sato Date: Thu, 10 Jul 2008 01:20:03 +0900 Subject: sh2(A) exception handler update This patch is By sh2 - Remove duplicate code - Reduce stack usage - Cleanup and little optimize By sh2a - Add missing handler(256 to 511) - Use sh2a instructions handler Signed-off-by: Yoshinori Sato Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh2/entry.S | 133 ++++++++------------- arch/sh/kernel/cpu/sh2/ex.S | 15 +-- arch/sh/kernel/cpu/sh2a/Makefile | 2 +- arch/sh/kernel/cpu/sh2a/entry.S | 249 +++++++++++++++++++++++++++++++++++++++ arch/sh/kernel/cpu/sh2a/ex.S | 72 +++++++++++ 5 files changed, 381 insertions(+), 90 deletions(-) create mode 100644 arch/sh/kernel/cpu/sh2a/entry.S create mode 100644 arch/sh/kernel/cpu/sh2a/ex.S (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh2/entry.S b/arch/sh/kernel/cpu/sh2/entry.S index 0fc8906..ee894e5 100644 --- a/arch/sh/kernel/cpu/sh2/entry.S +++ b/arch/sh/kernel/cpu/sh2/entry.S @@ -3,7 +3,7 @@ * * The SH-2 exception entry * - * Copyright (C) 2005,2006 Yoshinori Sato + * Copyright (C) 2005-2008 Yoshinori Sato * Copyright (C) 2005 AXE,Inc. * * This file is subject to the terms and conditions of the GNU General Public @@ -36,43 +36,41 @@ OFF_TRA = (16*4+6*4) #include ENTRY(exception_handler) - ! already saved r0/r1 + ! stack + ! r0 <- point sp + ! r1 + ! pc + ! sr + ! r0 = temporary + ! r1 = vector (pseudo EXPEVT / INTEVT / TRA) mov.l r2,@-sp mov.l r3,@-sp - mov r0,r1 cli mov.l $cpu_mode,r2 mov.l @r2,r0 mov.l @(5*4,r15),r3 ! previous SR - shll2 r3 ! set "S" flag - rotl r0 ! T <- "S" flag - rotl r0 ! "S" flag is LSB - rotcr r3 ! T -> r3:b30 - shlr r3 - shlr r0 - bt/s 1f - mov.l r3,@(5*4,r15) ! copy cpu mode to SR + or r0,r3 ! set MD + tst r0,r0 + bf/s 1f ! previous mode check + mov.l r3,@(5*4,r15) ! update SR ! switch to kernel mode - mov #1,r0 - rotr r0 - rotr r0 + mov.l __md_bit,r0 mov.l r0,@r2 ! enter kernel mode mov.l $current_thread_info,r2 mov.l @r2,r2 - mov #0x20,r0 + mov #(THREAD_SIZE >> 8),r0 shll8 r0 add r2,r0 mov r15,r2 ! r2 = user stack top mov r0,r15 ! switch kernel stack - add #-4,r15 ! dummy mov.l r1,@-r15 ! TRA sts.l macl, @-r15 sts.l mach, @-r15 stc.l gbr, @-r15 - mov.l @(4*4,r2),r0 - mov.l @(5*4,r2),r1 - mov.l r1,@-r15 ! original SR + mov.l @(5*4,r2),r0 + mov.l r0,@-r15 ! original SR sts.l pr,@-r15 + mov.l @(4*4,r2),r0 mov.l r0,@-r15 ! original PC mov r2,r3 add #(4+2)*4,r3 ! rewind r0 - r3 + exception frame @@ -88,14 +86,15 @@ ENTRY(exception_handler) mov.l r6,@-r15 mov.l r5,@-r15 mov.l r4,@-r15 + mov r1,r9 ! save TRA mov r2,r8 ! copy user -> kernel stack - mov.l @r8+,r3 + mov.l @(0,r8),r3 mov.l r3,@-r15 - mov.l @r8+,r2 + mov.l @(4,r8),r2 mov.l r2,@-r15 - mov.l @r8+,r1 + mov.l @(12,r8),r1 mov.l r1,@-r15 - mov.l @r8+,r0 + mov.l @(8,r8),r0 bra 2f mov.l r0,@-r15 1: @@ -107,10 +106,11 @@ ENTRY(exception_handler) mov.l r0,@-r15 mov.l @r2+,r0 ! old R2 mov.l r0,@-r15 - mov.l @r2+,r0 ! old R1 - mov.l r0,@-r15 - mov.l @r2+,r0 ! old R0 + mov.l @(4,r2),r0 ! old R1 mov.l r0,@-r15 + mov.l @r2,r0 ! old R0 + mov.l r0,@-r15 + add #8,r2 mov.l @r2+,r3 ! old PC mov.l @r2+,r0 ! old SR add #-4,r2 ! exception frame stub (sr) @@ -135,14 +135,12 @@ ENTRY(exception_handler) mov.l r6,@-r2 mov.l r5,@-r2 mov.l r4,@-r2 + mov r1,r9 mov.l @(OFF_R0,r15),r0 mov.l @(OFF_R1,r15),r1 mov.l @(OFF_R2,r15),r2 mov.l @(OFF_R3,r15),r3 2: - mov #OFF_TRA,r8 - add r15,r8 - mov.l @r8,r9 mov #64,r8 cmp/hs r8,r9 bt interrupt_entry ! vec >= 64 is interrupt @@ -150,26 +148,14 @@ ENTRY(exception_handler) cmp/hs r8,r9 bt trap_entry ! 64 > vec >= 32 is trap -#if defined(CONFIG_SH_FPU) - mov #13,r8 - cmp/eq r8,r9 - bt 10f ! fpu - nop -#endif - mov.l 4f,r8 mov r9,r4 shll2 r9 add r9,r8 - mov.l @r8,r8 - mov #0,r9 - cmp/eq r9,r8 + mov.l @r8,r8 ! exception handler address + tst r8,r8 bf 3f mov.l 8f,r8 ! unhandled exception -#if defined(CONFIG_SH_FPU) -10: - mov.l 9f, r8 ! unhandled exception -#endif 3: mov.l 5f,r10 jmp @r8 @@ -188,10 +174,7 @@ interrupt_entry: 5: .long ret_from_exception 6: .long ret_from_irq 7: .long do_IRQ -8: .long do_exception_error -#ifdef CONFIG_SH_FPU -9: .long fpu_error_trap_handler -#endif +8: .long exception_error trap_entry: mov #0x30,r8 @@ -200,24 +183,9 @@ trap_entry: add #-0x10,r9 ! convert SH2 to SH3/4 ABI 1: shll2 r9 ! TRA - mov #OFF_TRA,r8 - add r15,r8 - mov.l r9,@r8 - mov r9,r8 -#ifdef CONFIG_TRACE_IRQFLAGS - mov.l 2f, r9 - jsr @r9 - nop -#endif - sti - bra system_call - nop + bra system_call ! jump common systemcall entry + mov r9,r8 - .align 2 -#ifdef CONFIG_TRACE_IRQFLAGS -2: .long trace_hardirqs_on -#endif - #if defined(CONFIG_SH_STANDARD_BIOS) /* Unwind the stack and jmp to the debug entry */ ENTRY(sh_bios_handler) @@ -240,7 +208,7 @@ ENTRY(sh_bios_handler) mov.l @r2,r2 stc sr,r3 mov.l r2,@r0 - mov.l r3,@r0 + mov.l r3,@(4,r0) mov.l r1,@(8,r0) mov.l @r15+, r0 mov.l @r15+, r1 @@ -272,22 +240,30 @@ ENTRY(address_error_trap_handler) mov.l 1f,r0 jmp @r0 mov #0,r5 ! writeaccess is unknown - .align 2 + .align 2 1: .long do_address_error restore_all: - cli -#ifdef CONFIG_TRACE_IRQFLAGS - mov.l 1f, r0 - jsr @r0 - nop -#endif + stc sr,r0 + or #0xf0,r0 + ldc r0,sr ! all interrupt block (same BL = 1) + ! restore special register + ! overlap exception frame + mov r15,r0 + add #17*4,r0 + lds.l @r0+,pr + add #4,r0 + ldc.l @r0+,gbr + lds.l @r0+,mach + lds.l @r0+,macl mov r15,r0 mov.l $cpu_mode,r2 mov #OFF_SR,r3 mov.l @(r0,r3),r1 - mov.l r1,@r2 + mov.l __md_bit,r3 + and r1,r3 ! copy MD bit + mov.l r3,@r2 shll2 r1 ! clear MD bit shlr2 r1 mov.l @(OFF_SP,r0),r2 @@ -297,12 +273,6 @@ restore_all: mov #OFF_PC,r3 mov.l @(r0,r3),r1 mov.l r1,@r2 ! set pc - add #4*16+4,r0 - lds.l @r0+,pr - add #4,r0 ! skip sr - ldc.l @r0+,gbr - lds.l @r0+,mach - lds.l @r0+,macl get_current_thread_info r0, r1 mov.l $current_thread_info,r1 mov.l r0,@r1 @@ -326,9 +296,8 @@ restore_all: nop .align 2 -#ifdef CONFIG_TRACE_IRQFLAGS -1: .long trace_hardirqs_off -#endif +__md_bit: + .long 0x40000000 $current_thread_info: .long __current_thread_info $cpu_mode: diff --git a/arch/sh/kernel/cpu/sh2/ex.S b/arch/sh/kernel/cpu/sh2/ex.S index 6d285af..85b0bf8 100644 --- a/arch/sh/kernel/cpu/sh2/ex.S +++ b/arch/sh/kernel/cpu/sh2/ex.S @@ -18,16 +18,17 @@ exception_entry: no = 0 .rept 256 - mov.l r0,@-sp - mov #no,r0 + mov.l r1,@-sp bra exception_trampoline - and #0xff,r0 + mov #no,r1 no = no + 1 .endr exception_trampoline: - mov.l r1,@-sp - mov.l $exception_handler,r1 - jmp @r1 + mov.l r0,@-sp + mov.l $exception_handler,r0 + extu.b r1,r1 + jmp @r0 + extu.w r1,r1 .align 2 $exception_entry: @@ -41,6 +42,6 @@ $exception_handler: ENTRY(vbr_base) vector = 0 .rept 256 - .long exception_entry + vector * 8 + .long exception_entry + vector * 6 vector = vector + 1 .endr diff --git a/arch/sh/kernel/cpu/sh2a/Makefile b/arch/sh/kernel/cpu/sh2a/Makefile index 7e2b90c..1ab1ecf 100644 --- a/arch/sh/kernel/cpu/sh2a/Makefile +++ b/arch/sh/kernel/cpu/sh2a/Makefile @@ -4,7 +4,7 @@ obj-y := common.o probe.o opcode_helper.o -common-y += $(addprefix ../sh2/, ex.o entry.o) +common-y += ex.o entry.o obj-$(CONFIG_SH_FPU) += fpu.o diff --git a/arch/sh/kernel/cpu/sh2a/entry.S b/arch/sh/kernel/cpu/sh2a/entry.S new file mode 100644 index 0000000..47096dc --- /dev/null +++ b/arch/sh/kernel/cpu/sh2a/entry.S @@ -0,0 +1,249 @@ +/* + * arch/sh/kernel/cpu/sh2a/entry.S + * + * The SH-2A exception entry + * + * Copyright (C) 2008 Yoshinori Sato + * Based on arch/sh/kernel/cpu/sh2/entry.S + * + * 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 +#include +#include +#include + +/* Offsets to the stack */ +OFF_R0 = 0 /* Return value. New ABI also arg4 */ +OFF_R1 = 4 /* New ABI: arg5 */ +OFF_R2 = 8 /* New ABI: arg6 */ +OFF_R3 = 12 /* New ABI: syscall_nr */ +OFF_R4 = 16 /* New ABI: arg0 */ +OFF_R5 = 20 /* New ABI: arg1 */ +OFF_R6 = 24 /* New ABI: arg2 */ +OFF_R7 = 28 /* New ABI: arg3 */ +OFF_SP = (15*4) +OFF_PC = (16*4) +OFF_SR = (16*4+2*4) +OFF_TRA = (16*4+6*4) + +#include + +ENTRY(exception_handler) + ! stack + ! r0 <- point sp + ! r1 + ! pc + ! sr + ! r0 = temporary + ! r1 = vector (pseudo EXPEVT / INTEVT / TRA) + mov.l r2,@-sp + cli + mov.l $cpu_mode,r2 + bld.b #6,@(0,r2) !previus SR.MD + bst.b #6,@(4*4,r15) !set cpu mode to SR.MD + bt 1f + ! switch to kernel mode + bset.b #6,@(0,r2) !set SR.MD + mov.l $current_thread_info,r2 + mov.l @r2,r2 + mov #(THREAD_SIZE >> 8),r0 + shll8 r0 + add r2,r0 ! r0 = kernel stack tail + mov r15,r2 ! r2 = user stack top + mov r0,r15 ! switch kernel stack + mov.l r1,@-r15 ! TRA + sts.l macl, @-r15 + sts.l mach, @-r15 + stc.l gbr, @-r15 + mov.l @(4*4,r2),r0 + mov.l r0,@-r15 ! original SR + sts.l pr,@-r15 + mov.l @(3*4,r2),r0 + mov.l r0,@-r15 ! original PC + mov r2,r0 + add #(3+2)*4,r0 ! rewind r0 - r3 + exception frame + lds r0,pr ! pr = original SP + movmu.l r3,@-r15 ! save regs + mov r2,r8 ! r8 = previus stack top + mov r1,r9 ! r9 = interrupt vector + ! restore previous stack + mov.l @r8+,r2 + mov.l @r8+,r0 + mov.l @r8+,r1 + bra 2f + movml.l r2,@-r15 +1: + ! in kernel exception + mov r15,r2 + add #-((OFF_TRA + 4) - OFF_PC) + 5*4,r15 + movmu.l r3,@-r15 + mov r2,r8 ! r8 = previous stack top + mov r1,r9 ! r9 = interrupt vector + ! restore exception frame & regs + mov.l @r8+,r2 ! old R2 + mov.l @r8+,r0 ! old R0 + mov.l @r8+,r1 ! old R1 + mov.l @r8+,r10 ! old PC + mov.l @r8+,r11 ! old SR + movml.l r2,@-r15 + mov.l r10,@(OFF_PC,r15) + mov.l r11,@(OFF_SR,r15) + mov.l r8,@(OFF_SP,r15) ! save old sp + mov r15,r8 + add #OFF_TRA + 4,r8 + mov.l r9,@-r8 + sts.l macl,@-r8 + sts.l mach,@-r8 + stc.l gbr,@-r8 + add #-4,r8 + sts.l pr,@-r8 +2: + ! dispatch exception / interrupt + mov #64,r8 + cmp/hs r8,r9 + bt interrupt_entry ! vec >= 64 is interrupt + mov #32,r8 + cmp/hs r8,r9 + bt trap_entry ! 64 > vec >= 32 is trap + + mov.l 4f,r8 + mov r9,r4 + shll2 r9 + add r9,r8 + mov.l @r8,r8 ! exception handler address + tst r8,r8 + bf 3f + mov.l 8f,r8 ! unhandled exception +3: + mov.l 5f,r10 + jmp @r8 + lds r10,pr + +interrupt_entry: + mov r9,r4 + mov r15,r5 + mov.l 7f,r8 + mov.l 6f,r9 + jmp @r8 + lds r9,pr + + .align 2 +4: .long exception_handling_table +5: .long ret_from_exception +6: .long ret_from_irq +7: .long do_IRQ +8: .long exception_error + +trap_entry: + mov #0x30,r8 + cmp/ge r8,r9 ! vector 0x20-0x2f is systemcall + bt 1f + add #-0x10,r9 ! convert SH2 to SH3/4 ABI +1: + shll2 r9 ! TRA + bra system_call ! jump common systemcall entry + mov r9,r8 + +#if defined(CONFIG_SH_STANDARD_BIOS) + /* Unwind the stack and jmp to the debug entry */ +ENTRY(sh_bios_handler) + mov r15,r0 + add #(22-4)*4-4,r0 + ldc.l @r0+,gbr + lds.l @r0+,mach + lds.l @r0+,macl + mov r15,r0 + mov.l @(OFF_SP,r0),r1 + mov.l @(OFF_SR,r2),r3 + mov.l r3,@-r1 + mov.l @(OFF_SP,r2),r3 + mov.l r3,@-r1 + mov r15,r0 + add #(22-4)*4-8,r0 + mov.l 1f,r2 + mov.l @r2,r2 + stc sr,r3 + mov.l r2,@r0 + mov.l r3,@(4,r0) + mov.l r1,@(8,r0) + movml.l @r15+,r14 + add #8,r15 + lds.l @r15+, pr + rte + mov.l @r15+,r15 + .align 2 +1: .long gdb_vbr_vector +#endif /* CONFIG_SH_STANDARD_BIOS */ + +ENTRY(address_error_trap_handler) + mov r15,r4 ! regs + mov.l @(OFF_PC,r15),r6 ! pc + mov.l 1f,r0 + jmp @r0 + mov #0,r5 ! writeaccess is unknown + + .align 2 +1: .long do_address_error + +restore_all: + stc sr,r0 + or #0xf0,r0 + ldc r0,sr ! all interrupt block (same BL = 1) + ! restore special register + ! overlap exception frame + mov r15,r0 + add #17*4,r0 + lds.l @r0+,pr + add #4,r0 + ldc.l @r0+,gbr + lds.l @r0+,mach + lds.l @r0+,macl + mov r15,r0 + mov.l $cpu_mode,r2 + bld.b #6,@(OFF_SR,r15) + bst.b #6,@(0,r2) ! save CPU mode + mov.l @(OFF_SR,r0),r1 + shll2 r1 + shlr2 r1 ! clear MD bit + mov.l @(OFF_SP,r0),r2 + add #-8,r2 + mov.l r2,@(OFF_SP,r0) ! point exception frame top + mov.l r1,@(4,r2) ! set sr + mov.l @(OFF_PC,r0),r1 + mov.l r1,@r2 ! set pc + get_current_thread_info r0, r1 + mov.l $current_thread_info,r1 + mov.l r0,@r1 + movml.l @r15+,r14 + mov.l @r15,r15 + rte + nop + + .align 2 +$current_thread_info: + .long __current_thread_info +$cpu_mode: + .long __cpu_mode + +! common exception handler +#include "../../entry-common.S" + + .data +! cpu operation mode +! bit30 = MD (compatible SH3/4) +__cpu_mode: + .long 0x40000000 + + .section .bss +__current_thread_info: + .long 0 + +ENTRY(exception_handling_table) + .space 4*32 diff --git a/arch/sh/kernel/cpu/sh2a/ex.S b/arch/sh/kernel/cpu/sh2a/ex.S new file mode 100644 index 0000000..3ead9e6 --- /dev/null +++ b/arch/sh/kernel/cpu/sh2a/ex.S @@ -0,0 +1,72 @@ +/* + * arch/sh/kernel/cpu/sh2a/ex.S + * + * The SH-2A exception vector table + * + * Copyright (C) 2008 Yoshinori Sato + * + * 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 + +! +! convert Exception Vector to Exception Number +! + +! exception no 0 to 255 +exception_entry0: +no = 0 + .rept 256 + mov.l r1,@-sp + bra exception_trampoline0 + mov #no,r1 +no = no + 1 + .endr +exception_trampoline0: + mov.l r0,@-sp + mov.l 1f,r0 + extu.b r1,r1 + jmp @r0 + extu.w r1,r1 + + .align 2 +1: .long exception_handler + +! exception no 256 to 511 +exception_entry1: +no = 0 + .rept 256 + mov.l r1,@-sp + bra exception_trampoline1 + mov #no,r1 +no = no + 1 + .endr +exception_trampoline1: + mov.l r0,@-sp + extu.b r1,r1 + movi20 #0x100,r0 + add r0,r1 + mov.l 1f,r0 + jmp @r0 + extu.w r1,r1 + + .align 2 +1: .long exception_handler + + ! +! Exception Vector Base +! + .align 2 +ENTRY(vbr_base) +vector = 0 + .rept 256 + .long exception_entry0 + vector * 6 +vector = vector + 1 + .endr + .rept 256 + .long exception_entry1 + vector * 6 +vector = vector + 1 + .endr -- cgit v1.1 From c901c96cc25f6143a7d2fb59c3287f868e84a69e Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Tue, 15 Jul 2008 21:51:39 +0900 Subject: sh: Export sh7343 VPU and VEU using uio_pdrv_genirq This patch exports the VPU and VEU blocks of the sh7343 to user space using the uio_pdrv_genirq platform driver. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4a/setup-sh7343.c | 53 ++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c index 3e3b502..bcc4255 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c @@ -11,6 +11,7 @@ #include #include #include +#include static struct resource iic0_resources[] = { [0] = { @@ -52,6 +53,56 @@ static struct platform_device iic1_device = { .resource = iic1_resources, }; +static struct uio_info vpu_platform_data = { + .name = "VPU4", + .version = "0", + .irq = 60, +}; + +static struct resource vpu_resources[] = { + [0] = { + .name = "VPU", + .start = 0xfe900000, + .end = 0xfe9022eb, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device vpu_device = { + .name = "uio_pdrv_genirq", + .id = 0, + .dev = { + .platform_data = &vpu_platform_data, + }, + .resource = vpu_resources, + .num_resources = ARRAY_SIZE(vpu_resources), +}; + +static struct uio_info veu_platform_data = { + .name = "VEU", + .version = "0", + .irq = 54, +}; + +static struct resource veu_resources[] = { + [0] = { + .name = "VEU", + .start = 0xfe920000, + .end = 0xfe9200b7, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu_device = { + .name = "uio_pdrv_genirq", + .id = 1, + .dev = { + .platform_data = &veu_platform_data, + }, + .resource = veu_resources, + .num_resources = ARRAY_SIZE(veu_resources), +}; + static struct plat_sci_port sci_platform_data[] = { { .mapbase = 0xffe00000, @@ -75,6 +126,8 @@ static struct platform_device *sh7343_devices[] __initdata = { &iic0_device, &iic1_device, &sci_device, + &vpu_device, + &veu_device, }; static int __init sh7343_devices_setup(void) -- cgit v1.1 From a55f6d2567008699d705a006f2432bf3e872b743 Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Tue, 15 Jul 2008 21:52:19 +0900 Subject: sh: Export sh7722 VPU and VEU using uio_pdrv_genirq This patch exports the VPU and VEU blocks of the sh7722 to user space using the uio_pdrv_genirq platform driver. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4a/setup-sh7722.c | 53 ++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c index d8617b6..39854d9 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c @@ -12,6 +12,7 @@ #include #include #include +#include #include static struct resource usbf_resources[] = { @@ -59,6 +60,56 @@ static struct platform_device iic_device = { .resource = iic_resources, }; +static struct uio_info vpu_platform_data = { + .name = "VPU4", + .version = "0", + .irq = 60, +}; + +static struct resource vpu_resources[] = { + [0] = { + .name = "VPU", + .start = 0xfe900000, + .end = 0xfe9022eb, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device vpu_device = { + .name = "uio_pdrv_genirq", + .id = 0, + .dev = { + .platform_data = &vpu_platform_data, + }, + .resource = vpu_resources, + .num_resources = ARRAY_SIZE(vpu_resources), +}; + +static struct uio_info veu_platform_data = { + .name = "VEU", + .version = "0", + .irq = 54, +}; + +static struct resource veu_resources[] = { + [0] = { + .name = "VEU", + .start = 0xfe920000, + .end = 0xfe9200b7, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu_device = { + .name = "uio_pdrv_genirq", + .id = 1, + .dev = { + .platform_data = &veu_platform_data, + }, + .resource = veu_resources, + .num_resources = ARRAY_SIZE(veu_resources), +}; + static struct plat_sci_port sci_platform_data[] = { { .mapbase = 0xffe00000, @@ -95,6 +146,8 @@ static struct platform_device *sh7722_devices[] __initdata = { &usbf_device, &iic_device, &sci_device, + &vpu_device, + &veu_device, }; static int __init sh7722_devices_setup(void) -- cgit v1.1 From 6874548c69d02fabb8bea12d8c0f5600c1176769 Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Tue, 15 Jul 2008 21:53:33 +0900 Subject: sh: Export sh7723 VPU, VEU2H0, VEU2H1 using uio_pdrv_genirq This patch exports the VPU, VEU2H0 and VEU2H1 blocks of the sh7723 to user space using the uio_pdrv_genirq platform driver. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4a/setup-sh7723.c | 79 ++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c index 1b4533b..1f3137a 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c @@ -12,8 +12,84 @@ #include #include #include +#include #include +static struct uio_info vpu_platform_data = { + .name = "VPU5", + .version = "0", + .irq = 60, +}; + +static struct resource vpu_resources[] = { + [0] = { + .name = "VPU", + .start = 0xfe900000, + .end = 0xfe902807, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device vpu_device = { + .name = "uio_pdrv_genirq", + .id = 0, + .dev = { + .platform_data = &vpu_platform_data, + }, + .resource = vpu_resources, + .num_resources = ARRAY_SIZE(vpu_resources), +}; + +static struct uio_info veu0_platform_data = { + .name = "VEU", + .version = "0", + .irq = 54, +}; + +static struct resource veu0_resources[] = { + [0] = { + .name = "VEU2H0", + .start = 0xfe920000, + .end = 0xfe92027b, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu0_device = { + .name = "uio_pdrv_genirq", + .id = 1, + .dev = { + .platform_data = &veu0_platform_data, + }, + .resource = veu0_resources, + .num_resources = ARRAY_SIZE(veu0_resources), +}; + +static struct uio_info veu1_platform_data = { + .name = "VEU", + .version = "0", + .irq = 27, +}; + +static struct resource veu1_resources[] = { + [0] = { + .name = "VEU2H1", + .start = 0xfe924000, + .end = 0xfe92427b, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu1_device = { + .name = "uio_pdrv_genirq", + .id = 2, + .dev = { + .platform_data = &veu1_platform_data, + }, + .resource = veu1_resources, + .num_resources = ARRAY_SIZE(veu1_resources), +}; + static struct plat_sci_port sci_platform_data[] = { { .mapbase = 0xffe00000, @@ -138,6 +214,9 @@ static struct platform_device *sh7723_devices[] __initdata = { &rtc_device, &iic_device, &sh7723_usb_host_device, + &vpu_device, + &veu0_device, + &veu1_device, }; static int __init sh7723_devices_setup(void) -- cgit v1.1 From 714750dd5c6aef8e204d35ba28c1be9641418671 Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Tue, 15 Jul 2008 21:55:03 +0900 Subject: sh: Export sh7366 VPU, VEU(1), VEU(2) using uio_pdrv_genirq This patch exports the VPU, VEU(1) and VEU(2) blocks of the sh7366 to user space using the uio_pdrv_genirq platform driver. While at it, fix up the VEU(2) interrupt vector. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4a/setup-sh7366.c | 81 +++++++++++++++++++++++++++++++++- 1 file changed, 80 insertions(+), 1 deletion(-) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c index add99e4..2a0fbc3 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c @@ -13,6 +13,7 @@ #include #include #include +#include static struct resource iic_resources[] = { [0] = { @@ -34,6 +35,81 @@ static struct platform_device iic_device = { .resource = iic_resources, }; +static struct uio_info vpu_platform_data = { + .name = "VPU5", + .version = "0", + .irq = 60, +}; + +static struct resource vpu_resources[] = { + [0] = { + .name = "VPU", + .start = 0xfe900000, + .end = 0xfe902807, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device vpu_device = { + .name = "uio_pdrv_genirq", + .id = 0, + .dev = { + .platform_data = &vpu_platform_data, + }, + .resource = vpu_resources, + .num_resources = ARRAY_SIZE(vpu_resources), +}; + +static struct uio_info veu0_platform_data = { + .name = "VEU", + .version = "0", + .irq = 54, +}; + +static struct resource veu0_resources[] = { + [0] = { + .name = "VEU(1)", + .start = 0xfe920000, + .end = 0xfe9200b7, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu0_device = { + .name = "uio_pdrv_genirq", + .id = 1, + .dev = { + .platform_data = &veu0_platform_data, + }, + .resource = veu0_resources, + .num_resources = ARRAY_SIZE(veu0_resources), +}; + +static struct uio_info veu1_platform_data = { + .name = "VEU", + .version = "0", + .irq = 27, +}; + +static struct resource veu1_resources[] = { + [0] = { + .name = "VEU(2)", + .start = 0xfe924000, + .end = 0xfe9240b7, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu1_device = { + .name = "uio_pdrv_genirq", + .id = 2, + .dev = { + .platform_data = &veu1_platform_data, + }, + .resource = veu1_resources, + .num_resources = ARRAY_SIZE(veu1_resources), +}; + static struct plat_sci_port sci_platform_data[] = { { .mapbase = 0xffe00000, @@ -56,6 +132,9 @@ static struct platform_device sci_device = { static struct platform_device *sh7366_devices[] __initdata = { &iic_device, &sci_device, + &vpu_device, + &veu0_device, + &veu1_device, }; static int __init sh7366_devices_setup(void) @@ -118,7 +197,7 @@ static struct intc_vect vectors[] __initdata = { INTC_VECT(SIU, 0xf80), INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420), INTC_VECT(TMU2, 0x440), - INTC_VECT(VEU2, 0x580), INTC_VECT(LCDC, 0x580), + INTC_VECT(VEU2, 0x560), INTC_VECT(LCDC, 0x580), }; static struct intc_group groups[] __initdata = { -- cgit v1.1 From 1eca5c92729a83f64826d15a9ecb1652dda54bcb Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Wed, 16 Jul 2008 19:02:54 +0900 Subject: sh: Add memory chunks to SH-Mobile UIO devices This patch adds physically contiguous memory chunks to the UIO devices. The same strategy can be used in the future for the CEU as well. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4a/setup-sh7343.c | 8 ++++++++ arch/sh/kernel/cpu/sh4a/setup-sh7366.c | 12 ++++++++++++ arch/sh/kernel/cpu/sh4a/setup-sh7722.c | 8 ++++++++ arch/sh/kernel/cpu/sh4a/setup-sh7723.c | 12 ++++++++++++ 4 files changed, 40 insertions(+) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c index bcc4255..79ce34e 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c @@ -66,6 +66,9 @@ static struct resource vpu_resources[] = { .end = 0xfe9022eb, .flags = IORESOURCE_MEM, }, + [1] = { + /* place holder for contiguous memory */ + }, }; static struct platform_device vpu_device = { @@ -91,6 +94,9 @@ static struct resource veu_resources[] = { .end = 0xfe9200b7, .flags = IORESOURCE_MEM, }, + [1] = { + /* place holder for contiguous memory */ + }, }; static struct platform_device veu_device = { @@ -132,6 +138,8 @@ static struct platform_device *sh7343_devices[] __initdata = { static int __init sh7343_devices_setup(void) { + platform_resource_setup_memory(&vpu_device, "vpu", 1 << 20); + platform_resource_setup_memory(&veu_device, "veu", 2 << 20); return platform_add_devices(sh7343_devices, ARRAY_SIZE(sh7343_devices)); } diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c index 2a0fbc3..7ee0175 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c @@ -48,6 +48,9 @@ static struct resource vpu_resources[] = { .end = 0xfe902807, .flags = IORESOURCE_MEM, }, + [1] = { + /* place holder for contiguous memory */ + }, }; static struct platform_device vpu_device = { @@ -73,6 +76,9 @@ static struct resource veu0_resources[] = { .end = 0xfe9200b7, .flags = IORESOURCE_MEM, }, + [1] = { + /* place holder for contiguous memory */ + }, }; static struct platform_device veu0_device = { @@ -98,6 +104,9 @@ static struct resource veu1_resources[] = { .end = 0xfe9240b7, .flags = IORESOURCE_MEM, }, + [1] = { + /* place holder for contiguous memory */ + }, }; static struct platform_device veu1_device = { @@ -139,6 +148,9 @@ static struct platform_device *sh7366_devices[] __initdata = { static int __init sh7366_devices_setup(void) { + platform_resource_setup_memory(&vpu_device, "vpu", 2 << 20); + platform_resource_setup_memory(&veu0_device, "veu0", 2 << 20); + platform_resource_setup_memory(&veu1_device, "veu1", 2 << 20); return platform_add_devices(sh7366_devices, ARRAY_SIZE(sh7366_devices)); } diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c index 39854d9..6015f84 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c @@ -73,6 +73,9 @@ static struct resource vpu_resources[] = { .end = 0xfe9022eb, .flags = IORESOURCE_MEM, }, + [1] = { + /* place holder for contiguous memory */ + }, }; static struct platform_device vpu_device = { @@ -98,6 +101,9 @@ static struct resource veu_resources[] = { .end = 0xfe9200b7, .flags = IORESOURCE_MEM, }, + [1] = { + /* place holder for contiguous memory */ + }, }; static struct platform_device veu_device = { @@ -152,6 +158,8 @@ static struct platform_device *sh7722_devices[] __initdata = { static int __init sh7722_devices_setup(void) { + platform_resource_setup_memory(&vpu_device, "vpu", 1 << 20); + platform_resource_setup_memory(&veu_device, "veu", 2 << 20); return platform_add_devices(sh7722_devices, ARRAY_SIZE(sh7722_devices)); } diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c index 1f3137a..cb5e6f8 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c @@ -28,6 +28,9 @@ static struct resource vpu_resources[] = { .end = 0xfe902807, .flags = IORESOURCE_MEM, }, + [1] = { + /* place holder for contiguous memory */ + }, }; static struct platform_device vpu_device = { @@ -53,6 +56,9 @@ static struct resource veu0_resources[] = { .end = 0xfe92027b, .flags = IORESOURCE_MEM, }, + [1] = { + /* place holder for contiguous memory */ + }, }; static struct platform_device veu0_device = { @@ -78,6 +84,9 @@ static struct resource veu1_resources[] = { .end = 0xfe92427b, .flags = IORESOURCE_MEM, }, + [1] = { + /* place holder for contiguous memory */ + }, }; static struct platform_device veu1_device = { @@ -221,6 +230,9 @@ static struct platform_device *sh7723_devices[] __initdata = { static int __init sh7723_devices_setup(void) { + platform_resource_setup_memory(&vpu_device, "vpu", 2 << 20); + platform_resource_setup_memory(&veu0_device, "veu0", 2 << 20); + platform_resource_setup_memory(&veu1_device, "veu1", 2 << 20); return platform_add_devices(sh7723_devices, ARRAY_SIZE(sh7723_devices)); } -- cgit v1.1 From 3fec18bd603c3a55aeb325121a3e752f647641be Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Thu, 17 Jul 2008 18:52:19 +0900 Subject: sh: Use arch_flags to simplify sh7722 siu clock code Make use of arch_flags to simplify the SIU clock code. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4a/clock-sh7722.c | 47 +++++++--------------------------- 1 file changed, 9 insertions(+), 38 deletions(-) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c index 299138e..d7b1466 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c @@ -411,40 +411,16 @@ static struct clk_ops sh7722_frqcr_clk_ops = { * clock ops methods for SIU A/B and IrDA clock * */ -static int sh7722_siu_which(struct clk *clk) -{ - if (!strcmp(clk->name, "siu_a_clk")) - return 0; - if (!strcmp(clk->name, "siu_b_clk")) - return 1; -#if defined(CONFIG_CPU_SUBTYPE_SH7722) - if (!strcmp(clk->name, "irda_clk")) - return 2; -#endif - return -EINVAL; -} - -static unsigned long sh7722_siu_regs[] = { - [0] = SCLKACR, - [1] = SCLKBCR, -#if defined(CONFIG_CPU_SUBTYPE_SH7722) - [2] = IrDACLKCR, -#endif -}; static int sh7722_siu_start_stop(struct clk *clk, int enable) { - int siu = sh7722_siu_which(clk); unsigned long r; - if (siu < 0) - return siu; - BUG_ON(siu > 2); - r = ctrl_inl(sh7722_siu_regs[siu]); + r = ctrl_inl(clk->arch_flags); if (enable) - ctrl_outl(r & ~(1 << 8), sh7722_siu_regs[siu]); + ctrl_outl(r & ~(1 << 8), clk->arch_flags); else - ctrl_outl(r | (1 << 8), sh7722_siu_regs[siu]); + ctrl_outl(r | (1 << 8), clk->arch_flags); return 0; } @@ -496,31 +472,23 @@ static void sh7722_video_recalc(struct clk *clk) static int sh7722_siu_set_rate(struct clk *clk, unsigned long rate, int algo_id) { - int siu = sh7722_siu_which(clk); unsigned long r; int div; - if (siu < 0) - return siu; - BUG_ON(siu > 2); - r = ctrl_inl(sh7722_siu_regs[siu]); + r = ctrl_inl(clk->arch_flags); div = sh7722_find_divisors(clk->parent->rate, rate); if (div < 0) return div; r = (r & ~0xF) | div; - ctrl_outl(r, sh7722_siu_regs[siu]); + ctrl_outl(r, clk->arch_flags); return 0; } static void sh7722_siu_recalc(struct clk *clk) { - int siu = sh7722_siu_which(clk); unsigned long r; - if (siu < 0) - return /* siu */ ; - BUG_ON(siu > 2); - r = ctrl_inl(sh7722_siu_regs[siu]); + r = ctrl_inl(clk->arch_flags); clk->rate = clk->parent->rate * 2 / divisors2[r & 0xF]; } @@ -567,17 +535,20 @@ static struct clk sh7722_sdram_clock = { */ static struct clk sh7722_siu_a_clock = { .name = "siu_a_clk", + .arch_flags = SCLKACR, .ops = &sh7722_siu_clk_ops, }; static struct clk sh7722_siu_b_clock = { .name = "siu_b_clk", + .arch_flags = SCLKBCR, .ops = &sh7722_siu_clk_ops, }; #if defined(CONFIG_CPU_SUBTYPE_SH7722) static struct clk sh7722_irda_clock = { .name = "irda_clk", + .arch_flags = IrDACLKCR, .ops = &sh7722_siu_clk_ops, }; #endif -- cgit v1.1 From aea167cbb5c9056295109e5e171d27e30e2be5bc Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Thu, 17 Jul 2008 18:56:15 +0900 Subject: sh: Add SuperH Mobile MSTPCR bits to clock framework Handle module stop clock bits in MSTPCRn through the clock framework. The clocks are named after the bits in the data sheet. The association between bit number and hardware block is processor specific. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4a/clock-sh7722.c | 116 +++++++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c index d7b1466..2f50f8a 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include @@ -558,6 +559,115 @@ static struct clk sh7722_video_clock = { .ops = &sh7722_video_clk_ops, }; +static int sh7722_mstpcr_start_stop(struct clk *clk, unsigned long reg, + int enable) +{ + unsigned long bit = clk->arch_flags; + unsigned long r; + + r = ctrl_inl(reg); + + if (enable) + r &= ~(1 << bit); + else + r |= (1 << bit); + + ctrl_outl(r, reg); + return 0; +} + +static void sh7722_mstpcr0_enable(struct clk *clk) +{ + sh7722_mstpcr_start_stop(clk, MSTPCR0, 1); +} + +static void sh7722_mstpcr0_disable(struct clk *clk) +{ + sh7722_mstpcr_start_stop(clk, MSTPCR0, 0); +} + +static void sh7722_mstpcr1_enable(struct clk *clk) +{ + sh7722_mstpcr_start_stop(clk, MSTPCR1, 1); +} + +static void sh7722_mstpcr1_disable(struct clk *clk) +{ + sh7722_mstpcr_start_stop(clk, MSTPCR1, 0); +} + +static void sh7722_mstpcr2_enable(struct clk *clk) +{ + sh7722_mstpcr_start_stop(clk, MSTPCR2, 1); +} + +static void sh7722_mstpcr2_disable(struct clk *clk) +{ + sh7722_mstpcr_start_stop(clk, MSTPCR2, 0); +} + +static struct clk_ops sh7722_mstpcr0_clk_ops = { + .enable = sh7722_mstpcr0_enable, + .disable = sh7722_mstpcr0_disable, +}; + +static struct clk_ops sh7722_mstpcr1_clk_ops = { + .enable = sh7722_mstpcr1_enable, + .disable = sh7722_mstpcr1_disable, +}; + +static struct clk_ops sh7722_mstpcr2_clk_ops = { + .enable = sh7722_mstpcr2_enable, + .disable = sh7722_mstpcr2_disable, +}; + +#define DECLARE_MSTPCRN(regnr, bitnr, bitstr) \ +{ \ + .name = "mstp" __stringify(regnr) bitstr, \ + .arch_flags = bitnr, \ + .ops = &sh7722_mstpcr ## regnr ## _clk_ops, \ +} + +#define DECLARE_MSTPCR(regnr) \ + DECLARE_MSTPCRN(regnr, 31, "31"), \ + DECLARE_MSTPCRN(regnr, 30, "30"), \ + DECLARE_MSTPCRN(regnr, 29, "29"), \ + DECLARE_MSTPCRN(regnr, 28, "28"), \ + DECLARE_MSTPCRN(regnr, 27, "27"), \ + DECLARE_MSTPCRN(regnr, 26, "26"), \ + DECLARE_MSTPCRN(regnr, 25, "25"), \ + DECLARE_MSTPCRN(regnr, 24, "24"), \ + DECLARE_MSTPCRN(regnr, 23, "23"), \ + DECLARE_MSTPCRN(regnr, 22, "22"), \ + DECLARE_MSTPCRN(regnr, 21, "21"), \ + DECLARE_MSTPCRN(regnr, 20, "20"), \ + DECLARE_MSTPCRN(regnr, 19, "19"), \ + DECLARE_MSTPCRN(regnr, 18, "18"), \ + DECLARE_MSTPCRN(regnr, 17, "17"), \ + DECLARE_MSTPCRN(regnr, 16, "16"), \ + DECLARE_MSTPCRN(regnr, 15, "15"), \ + DECLARE_MSTPCRN(regnr, 14, "14"), \ + DECLARE_MSTPCRN(regnr, 13, "13"), \ + DECLARE_MSTPCRN(regnr, 12, "12"), \ + DECLARE_MSTPCRN(regnr, 11, "11"), \ + DECLARE_MSTPCRN(regnr, 10, "10"), \ + DECLARE_MSTPCRN(regnr, 9, "09"), \ + DECLARE_MSTPCRN(regnr, 8, "08"), \ + DECLARE_MSTPCRN(regnr, 7, "07"), \ + DECLARE_MSTPCRN(regnr, 6, "06"), \ + DECLARE_MSTPCRN(regnr, 5, "05"), \ + DECLARE_MSTPCRN(regnr, 4, "04"), \ + DECLARE_MSTPCRN(regnr, 3, "03"), \ + DECLARE_MSTPCRN(regnr, 2, "02"), \ + DECLARE_MSTPCRN(regnr, 1, "01"), \ + DECLARE_MSTPCRN(regnr, 0, "00") + +static struct clk sh7722_mstpcr[] = { + DECLARE_MSTPCR(0), + DECLARE_MSTPCR(1), + DECLARE_MSTPCR(2), +}; + static struct clk *sh7722_clocks[] = { &sh7722_umem_clock, &sh7722_sh_clock, @@ -600,5 +710,11 @@ int __init arch_clk_init(void) clk_register(sh7722_clocks[i]); } clk_put(master); + + for (i = 0; i < ARRAY_SIZE(sh7722_mstpcr); i++) { + pr_debug( "Registering mstpcr '%s'\n", sh7722_mstpcr[i].name); + clk_register(&sh7722_mstpcr[i]); + } + return 0; } -- cgit v1.1 From 1312994c8008d66806d9452c15d50df86a031437 Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Thu, 17 Jul 2008 19:02:23 +0900 Subject: sh: Merge sh7343 and sh7722 clock code This code makes sh7343 share the sh7722 clock code. Instead of just using the good and very old sh7343 clock implmentation, switch to the new MSTPCR enabled clock code. SIU clocks are disabled on sh7343 for now. With this change all SuperH Mobile devices now use the same clock code. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4a/Makefile | 2 +- arch/sh/kernel/cpu/sh4a/clock-sh7343.c | 99 ---------------------------------- arch/sh/kernel/cpu/sh4a/clock-sh7722.c | 70 +++++++++++++----------- 3 files changed, 41 insertions(+), 130 deletions(-) delete mode 100644 arch/sh/kernel/cpu/sh4a/clock-sh7343.c (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile index a880e79..9381ad8 100644 --- a/arch/sh/kernel/cpu/sh4a/Makefile +++ b/arch/sh/kernel/cpu/sh4a/Makefile @@ -21,7 +21,7 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7763) := clock-sh7763.o clock-$(CONFIG_CPU_SUBTYPE_SH7770) := clock-sh7770.o clock-$(CONFIG_CPU_SUBTYPE_SH7780) := clock-sh7780.o clock-$(CONFIG_CPU_SUBTYPE_SH7785) := clock-sh7785.o -clock-$(CONFIG_CPU_SUBTYPE_SH7343) := clock-sh7343.o +clock-$(CONFIG_CPU_SUBTYPE_SH7343) := clock-sh7722.o clock-$(CONFIG_CPU_SUBTYPE_SH7722) := clock-sh7722.o clock-$(CONFIG_CPU_SUBTYPE_SH7723) := clock-sh7722.o clock-$(CONFIG_CPU_SUBTYPE_SH7366) := clock-sh7722.o diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7343.c b/arch/sh/kernel/cpu/sh4a/clock-sh7343.c deleted file mode 100644 index 7adc4f1..0000000 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7343.c +++ /dev/null @@ -1,99 +0,0 @@ -/* - * arch/sh/kernel/cpu/sh4a/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 -#include -#include -#include -#include - -/* - * 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/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c index 2f50f8a..db91385 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c @@ -1,7 +1,7 @@ /* * arch/sh/kernel/cpu/sh4a/clock-sh7722.c * - * SH7722 & SH7366 support for the clock framework + * SH7343, SH7722, SH7723 & SH7366 support for the clock framework * * Copyright (c) 2006-2007 Nomad Global Solutions Inc * Based on code for sh7343 by Paul Mundt @@ -413,6 +413,30 @@ static struct clk_ops sh7722_frqcr_clk_ops = { * */ +#ifndef CONFIG_CPU_SUBTYPE_SH7343 + +static int sh7722_siu_set_rate(struct clk *clk, unsigned long rate, int algo_id) +{ + unsigned long r; + int div; + + r = ctrl_inl(clk->arch_flags); + div = sh7722_find_divisors(clk->parent->rate, rate); + if (div < 0) + return div; + r = (r & ~0xF) | div; + ctrl_outl(r, clk->arch_flags); + return 0; +} + +static void sh7722_siu_recalc(struct clk *clk) +{ + unsigned long r; + + r = ctrl_inl(clk->arch_flags); + clk->rate = clk->parent->rate * 2 / divisors2[r & 0xF]; +} + static int sh7722_siu_start_stop(struct clk *clk, int enable) { unsigned long r; @@ -435,6 +459,15 @@ static void sh7722_siu_disable(struct clk *clk) sh7722_siu_start_stop(clk, 0); } +static struct clk_ops sh7722_siu_clk_ops = { + .recalc = sh7722_siu_recalc, + .set_rate = sh7722_siu_set_rate, + .enable = sh7722_siu_enable, + .disable = sh7722_siu_disable, +}; + +#endif /* CONFIG_CPU_SUBTYPE_SH7343 */ + static void sh7722_video_enable(struct clk *clk) { unsigned long r; @@ -471,35 +504,6 @@ static void sh7722_video_recalc(struct clk *clk) clk->rate = clk->parent->rate / ((r & 0x3F) + 1); } -static int sh7722_siu_set_rate(struct clk *clk, unsigned long rate, int algo_id) -{ - unsigned long r; - int div; - - r = ctrl_inl(clk->arch_flags); - div = sh7722_find_divisors(clk->parent->rate, rate); - if (div < 0) - return div; - r = (r & ~0xF) | div; - ctrl_outl(r, clk->arch_flags); - return 0; -} - -static void sh7722_siu_recalc(struct clk *clk) -{ - unsigned long r; - - r = ctrl_inl(clk->arch_flags); - clk->rate = clk->parent->rate * 2 / divisors2[r & 0xF]; -} - -static struct clk_ops sh7722_siu_clk_ops = { - .recalc = sh7722_siu_recalc, - .set_rate = sh7722_siu_set_rate, - .enable = sh7722_siu_enable, - .disable = sh7722_siu_disable, -}; - static struct clk_ops sh7722_video_clk_ops = { .recalc = sh7722_video_recalc, .set_rate = sh7722_video_set_rate, @@ -529,6 +533,9 @@ static struct clk sh7722_sdram_clock = { .ops = &sh7722_frqcr_clk_ops, }; + +#ifndef CONFIG_CPU_SUBTYPE_SH7343 + /* * these three clocks - SIU A, SIU B, IrDA - share the same clk_ops * methods of clk_ops determine which register they should access by @@ -553,6 +560,7 @@ static struct clk sh7722_irda_clock = { .ops = &sh7722_siu_clk_ops, }; #endif +#endif /* CONFIG_CPU_SUBTYPE_SH7343 */ static struct clk sh7722_video_clock = { .name = "video_clk", @@ -673,11 +681,13 @@ static struct clk *sh7722_clocks[] = { &sh7722_sh_clock, &sh7722_peripheral_clock, &sh7722_sdram_clock, +#ifndef CONFIG_CPU_SUBTYPE_SH7343 &sh7722_siu_a_clock, &sh7722_siu_b_clock, #if defined(CONFIG_CPU_SUBTYPE_SH7722) &sh7722_irda_clock, #endif +#endif &sh7722_video_clock, }; -- cgit v1.1 From 152fe36ebee82b63a9c6e510c52aaa82f4b1940d Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Thu, 17 Jul 2008 19:05:54 +0900 Subject: sh: Show all clocks and their state in /proc/clocks Show all clocks in /proc/clocks, and also show if they are enabled or disabled. This is useful to show MSTPCR bits on SuperH Mobile processors. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/clock.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c index 73334c6..f5eb56e 100644 --- a/arch/sh/kernel/cpu/clock.c +++ b/arch/sh/kernel/cpu/clock.c @@ -308,15 +308,11 @@ static int show_clocks(char *buf, char **start, off_t off, list_for_each_entry_reverse(clk, &clock_list, node) { unsigned long rate = clk_get_rate(clk); - /* - * Don't bother listing dummy clocks with no ancestry - * that only support enable and disable ops. - */ - if (unlikely(!rate && !clk->parent)) - continue; - - p += sprintf(p, "%-12s\t: %ld.%02ldMHz\n", clk->name, - rate / 1000000, (rate % 1000000) / 10000); + p += sprintf(p, "%-12s\t: %ld.%02ldMHz\t%s\n", clk->name, + rate / 1000000, (rate % 1000000) / 10000, + ((clk->flags & CLK_ALWAYS_ENABLED) || + (atomic_read(&clk->kref.refcount) != 1)) ? + "enabled" : "disabled"); } return p - buf; -- cgit v1.1 From 9ca6ecac505002d0c34b47b394f39aa14b0e6fb6 Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Thu, 17 Jul 2008 19:13:34 +0900 Subject: sh: Use clk_always_enable() on sh7723 / ap325rxa Use clk_always_enable() on the sh7723 processor and in the ap325rxa board code. Remove duplicate MSTPCR register definitions. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4a/setup-sh7723.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c index cb5e6f8..cd6baff 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c @@ -13,6 +13,7 @@ #include #include #include +#include #include static struct uio_info vpu_platform_data = { @@ -230,9 +231,24 @@ static struct platform_device *sh7723_devices[] __initdata = { static int __init sh7723_devices_setup(void) { + clk_always_enable("mstp031"); /* TLB */ + clk_always_enable("mstp030"); /* IC */ + clk_always_enable("mstp029"); /* OC */ + clk_always_enable("mstp024"); /* FPU */ + clk_always_enable("mstp022"); /* INTC */ + clk_always_enable("mstp020"); /* SuperHyway */ + clk_always_enable("mstp000"); /* MERAM */ + clk_always_enable("mstp109"); /* I2C */ + clk_always_enable("mstp108"); /* RTC */ + clk_always_enable("mstp211"); /* USB */ + clk_always_enable("mstp206"); /* VEU2H1 */ + clk_always_enable("mstp202"); /* VEU2H0 */ + clk_always_enable("mstp201"); /* VPU */ + platform_resource_setup_memory(&vpu_device, "vpu", 2 << 20); platform_resource_setup_memory(&veu0_device, "veu0", 2 << 20); platform_resource_setup_memory(&veu1_device, "veu1", 2 << 20); + return platform_add_devices(sh7723_devices, ARRAY_SIZE(sh7723_devices)); } -- cgit v1.1 From 6c7d826cf6ff05264f9af04410aee82a08edfb9f Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Thu, 17 Jul 2008 19:16:11 +0900 Subject: sh: Use clk_always_enable() on sh7722 / Migo-R / SE7722 Use clk_always_enable() on the sh7722 processor and in the board code for Migo-R and Solution Engine 7722. Remove duplicate MSTPCR register definitions. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4a/setup-sh7722.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c index 6015f84..de1ede9 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c @@ -13,6 +13,7 @@ #include #include #include +#include #include static struct resource usbf_resources[] = { @@ -158,8 +159,21 @@ static struct platform_device *sh7722_devices[] __initdata = { static int __init sh7722_devices_setup(void) { + clk_always_enable("mstp031"); /* TLB */ + clk_always_enable("mstp030"); /* IC */ + clk_always_enable("mstp029"); /* OC */ + clk_always_enable("mstp028"); /* URAM */ + clk_always_enable("mstp026"); /* XYMEM */ + clk_always_enable("mstp022"); /* INTC */ + clk_always_enable("mstp020"); /* SuperHyway */ + clk_always_enable("mstp109"); /* I2C */ + clk_always_enable("mstp211"); /* USB */ + clk_always_enable("mstp202"); /* VEU */ + clk_always_enable("mstp201"); /* VPU */ + platform_resource_setup_memory(&vpu_device, "vpu", 1 << 20); platform_resource_setup_memory(&veu_device, "veu", 2 << 20); + return platform_add_devices(sh7722_devices, ARRAY_SIZE(sh7722_devices)); } -- cgit v1.1 From 8fa509ab915f668093c270151f884220232bfb25 Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Thu, 17 Jul 2008 19:18:24 +0900 Subject: sh: Use clk_always_enable() on sh7343 / SE77343 Use clk_always_enable() on the sh7343 processor and in the board code for Solution Engine 7343. Remove duplicate MSTPCR register definitions. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4a/setup-sh7343.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c index 79ce34e..78881b4 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c @@ -12,6 +12,7 @@ #include #include #include +#include static struct resource iic0_resources[] = { [0] = { @@ -138,8 +139,22 @@ static struct platform_device *sh7343_devices[] __initdata = { static int __init sh7343_devices_setup(void) { + clk_always_enable("mstp031"); /* TLB */ + clk_always_enable("mstp030"); /* IC */ + clk_always_enable("mstp029"); /* OC */ + clk_always_enable("mstp028"); /* URAM */ + clk_always_enable("mstp026"); /* XYMEM */ + clk_always_enable("mstp023"); /* INTC3 */ + clk_always_enable("mstp022"); /* INTC */ + clk_always_enable("mstp020"); /* SuperHyway */ + clk_always_enable("mstp109"); /* I2C0 */ + clk_always_enable("mstp108"); /* I2C1 */ + clk_always_enable("mstp202"); /* VEU */ + clk_always_enable("mstp201"); /* VPU */ + platform_resource_setup_memory(&vpu_device, "vpu", 1 << 20); platform_resource_setup_memory(&veu_device, "veu", 2 << 20); + return platform_add_devices(sh7343_devices, ARRAY_SIZE(sh7343_devices)); } -- cgit v1.1 From d7f1a9adc0e34ad4aa4fe246b264add4646ae064 Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Thu, 17 Jul 2008 19:20:11 +0900 Subject: sh: Use clk_always_enable() on sh7366 Use clk_always_enable() in the sh7366 processor code. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4a/setup-sh7366.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c index 7ee0175..6851dba 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c @@ -14,6 +14,7 @@ #include #include #include +#include static struct resource iic_resources[] = { [0] = { @@ -148,9 +149,23 @@ static struct platform_device *sh7366_devices[] __initdata = { static int __init sh7366_devices_setup(void) { + clk_always_enable("mstp031"); /* TLB */ + clk_always_enable("mstp030"); /* IC */ + clk_always_enable("mstp029"); /* OC */ + clk_always_enable("mstp028"); /* RSMEM */ + clk_always_enable("mstp026"); /* XYMEM */ + clk_always_enable("mstp023"); /* INTC3 */ + clk_always_enable("mstp022"); /* INTC */ + clk_always_enable("mstp020"); /* SuperHyway */ + clk_always_enable("mstp109"); /* I2C */ + clk_always_enable("mstp207"); /* VEU-2 */ + clk_always_enable("mstp202"); /* VEU-1 */ + clk_always_enable("mstp201"); /* VPU */ + platform_resource_setup_memory(&vpu_device, "vpu", 2 << 20); platform_resource_setup_memory(&veu0_device, "veu0", 2 << 20); platform_resource_setup_memory(&veu1_device, "veu1", 2 << 20); + return platform_add_devices(sh7366_devices, ARRAY_SIZE(sh7366_devices)); } -- cgit v1.1 From f15cbe6f1a4b4d9df59142fc8e4abb973302cf44 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Tue, 29 Jul 2008 08:09:44 +0900 Subject: sh: migrate to arch/sh/include/ This follows the sparc changes a439fe51a1f8eb087c22dd24d69cebae4a3addac. Most of the moving about was done with Sam's directions at: http://marc.info/?l=linux-sh&m=121724823706062&w=2 with subsequent hacking and fixups entirely my fault. Signed-off-by: Sam Ravnborg Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/irq/intc-sh5.c | 2 +- arch/sh/kernel/cpu/sh2/entry.S | 2 +- arch/sh/kernel/cpu/sh2a/entry.S | 2 +- arch/sh/kernel/cpu/sh3/entry.S | 2 +- arch/sh/kernel/cpu/sh4/fpu.c | 2 +- arch/sh/kernel/cpu/sh4/softfloat.c | 2 +- arch/sh/kernel/cpu/sh4/sq.c | 2 +- arch/sh/kernel/cpu/sh5/entry.S | 2 +- 8 files changed, 8 insertions(+), 8 deletions(-) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/irq/intc-sh5.c b/arch/sh/kernel/cpu/irq/intc-sh5.c index 79baa47..726f033 100644 --- a/arch/sh/kernel/cpu/irq/intc-sh5.c +++ b/arch/sh/kernel/cpu/irq/intc-sh5.c @@ -20,7 +20,7 @@ #include #include #include -#include +#include #include /* diff --git a/arch/sh/kernel/cpu/sh2/entry.S b/arch/sh/kernel/cpu/sh2/entry.S index ee894e5..becc54c45 100644 --- a/arch/sh/kernel/cpu/sh2/entry.S +++ b/arch/sh/kernel/cpu/sh2/entry.S @@ -14,7 +14,7 @@ #include #include #include -#include +#include #include #include #include diff --git a/arch/sh/kernel/cpu/sh2a/entry.S b/arch/sh/kernel/cpu/sh2a/entry.S index 47096dc..ab3903e 100644 --- a/arch/sh/kernel/cpu/sh2a/entry.S +++ b/arch/sh/kernel/cpu/sh2a/entry.S @@ -14,7 +14,7 @@ #include #include #include -#include +#include #include #include #include diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S index 4004073..3fe482d 100644 --- a/arch/sh/kernel/cpu/sh3/entry.S +++ b/arch/sh/kernel/cpu/sh3/entry.S @@ -14,7 +14,7 @@ #include #include #include -#include +#include #include ! NOTE: diff --git a/arch/sh/kernel/cpu/sh4/fpu.c b/arch/sh/kernel/cpu/sh4/fpu.c index 8020796..2d452f6 100644 --- a/arch/sh/kernel/cpu/sh4/fpu.c +++ b/arch/sh/kernel/cpu/sh4/fpu.c @@ -13,7 +13,7 @@ #include #include #include -#include +#include #include #include #include diff --git a/arch/sh/kernel/cpu/sh4/softfloat.c b/arch/sh/kernel/cpu/sh4/softfloat.c index 7b2d337..828cb57 100644 --- a/arch/sh/kernel/cpu/sh4/softfloat.c +++ b/arch/sh/kernel/cpu/sh4/softfloat.c @@ -36,7 +36,7 @@ * and Kamel Khelifi */ #include -#include +#include #define LIT64( a ) a##LL diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c index 9561b02..dcdf959 100644 --- a/arch/sh/kernel/cpu/sh4/sq.c +++ b/arch/sh/kernel/cpu/sh4/sq.c @@ -22,7 +22,7 @@ #include #include #include -#include +#include struct sq_mapping; diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S index 05372ed..ca08e7f 100644 --- a/arch/sh/kernel/cpu/sh5/entry.S +++ b/arch/sh/kernel/cpu/sh5/entry.S @@ -11,7 +11,7 @@ */ #include #include -#include +#include #include #include #include -- cgit v1.1 From cec3fd3e2a7cacf37e2bd6d9fa915337245cc563 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Wed, 30 Jul 2008 13:11:26 +0900 Subject: sh: Tidy up the _TIF work masks, and fix syscall trace bug on singlestep. Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh5/entry.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S index ca08e7f..bba331d 100644 --- a/arch/sh/kernel/cpu/sh5/entry.S +++ b/arch/sh/kernel/cpu/sh5/entry.S @@ -1300,7 +1300,7 @@ syscall_allowed: getcon KCR0, r2 ld.l r2, TI_FLAGS, r4 - movi (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | _TIF_SYSCALL_AUDIT), r6 + movi _TIF_WORK_SYSCALL_MASK, r6 and r6, r4, r6 beq/l r6, ZERO, tr0 -- cgit v1.1 From ab99c733ae73cce31f2a2434f7099564e5a73d95 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Wed, 30 Jul 2008 19:55:30 +0900 Subject: sh: Make syscall tracer use tracehook notifiers, add TIF_NOTIFY_RESUME. This follows the changes in commits: 7d6d637dac2050f30a1b57b0a3dc5de4a10616ba 4f72c4279eab1e5f3ed1ac4e55d4527617582392 on powerpc. Adding in TIF_NOTIFY_RESUME, and cleaning up the syscall tracing to be more generic. This is an incremental step to turning on tracehook, as well as unifying more of the ptrace and signal code across the 32/64 split. Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh5/entry.S | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S index bba331d..04c7da9 100644 --- a/arch/sh/kernel/cpu/sh5/entry.S +++ b/arch/sh/kernel/cpu/sh5/entry.S @@ -987,11 +987,11 @@ work_resched: work_notifysig: gettr tr1, LINK - movi do_signal, r6 + movi do_notify_resume, r6 ptabs r6, tr0 or SP, ZERO, r2 - or ZERO, ZERO, r3 - blink tr0, LINK /* Call do_signal(regs, 0), return here */ + or r7, ZERO, r3 + blink tr0, LINK /* Call do_notify_resume(regs, current_thread_info->flags), return here */ restore_all: /* Do prefetches */ @@ -1305,13 +1305,15 @@ syscall_allowed: beq/l r6, ZERO, tr0 /* Trace it by calling syscall_trace before and after */ - movi syscall_trace, r4 + movi do_syscall_trace_enter, r4 or SP, ZERO, r2 - or ZERO, ZERO, r3 ptabs r4, tr0 blink tr0, LINK - /* Reload syscall number as r5 is trashed by syscall_trace */ + /* Save the retval */ + st.q SP, FRAME_R(2), r2 + + /* Reload syscall number as r5 is trashed by do_syscall_trace_enter */ ld.q SP, FRAME_S(FSYSCALL_ID), r5 andi r5, 0x1ff, r5 @@ -1343,9 +1345,8 @@ syscall_ret_trace: /* We get back here only if under trace */ st.q SP, FRAME_R(9), r2 /* Save return value */ - movi syscall_trace, LINK + movi do_syscall_trace_leave, LINK or SP, ZERO, r2 - movi 1, r3 ptabs LINK, tr0 blink tr0, LINK -- cgit v1.1 From 6a9545bd95e88d61df942b9087cb59b8c7a6dc56 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Mon, 4 Aug 2008 12:51:06 +0900 Subject: sh: Fix up broken kerneldoc comments. These were completely unparseable, so fix them up. Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/sh4/sq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/sh/kernel/cpu') diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c index dcdf959..8a8a993 100644 --- a/arch/sh/kernel/cpu/sh4/sq.c +++ b/arch/sh/kernel/cpu/sh4/sq.c @@ -199,7 +199,7 @@ EXPORT_SYMBOL(sq_remap); /** * sq_unmap - Unmap a Store Queue allocation - * @map: Pre-allocated Store Queue mapping. + * @vaddr: Pre-allocated Store Queue mapping. * * Unmaps the store queue allocation @map that was previously created by * sq_remap(). Also frees up the pte that was previously inserted into -- cgit v1.1