From f61cced99347783c1f3a7464e88b855a5ca6c227 Mon Sep 17 00:00:00 2001 From: Maxime Bizon Date: Fri, 4 Nov 2011 19:09:31 +0100 Subject: MIPS: BCM63XX: Change irq code to prepare for per-cpu peculiarity. No functionnal change is introduced by this patch. Signed-off-by: Maxime Bizon Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2894/ Signed-off-by: Ralf Baechle --- arch/mips/bcm63xx/irq.c | 86 +++++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 77 insertions(+), 9 deletions(-) (limited to 'arch/mips/bcm63xx/irq.c') diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c index 162e11b4ed75..a81cd828c769 100644 --- a/arch/mips/bcm63xx/irq.c +++ b/arch/mips/bcm63xx/irq.c @@ -19,19 +19,86 @@ #include #include +static void __dispatch_internal(void) __maybe_unused; + +#ifndef BCMCPU_RUNTIME_DETECT +#ifdef CONFIG_BCM63XX_CPU_6338 +#define irq_stat_reg PERF_IRQSTAT_6338_REG +#define irq_mask_reg PERF_IRQMASK_6338_REG +#endif +#ifdef CONFIG_BCM63XX_CPU_6345 +#define irq_stat_reg PERF_IRQSTAT_6345_REG +#define irq_mask_reg PERF_IRQMASK_6345_REG +#endif +#ifdef CONFIG_BCM63XX_CPU_6348 +#define irq_stat_reg PERF_IRQSTAT_6348_REG +#define irq_mask_reg PERF_IRQMASK_6348_REG +#endif +#ifdef CONFIG_BCM63XX_CPU_6358 +#define irq_stat_reg PERF_IRQSTAT_6358_REG +#define irq_mask_reg PERF_IRQMASK_6358_REG +#endif + +#define dispatch_internal __dispatch_internal + +#define irq_stat_addr (bcm63xx_regset_address(RSET_PERF) + irq_stat_reg) +#define irq_mask_addr (bcm63xx_regset_address(RSET_PERF) + irq_mask_reg) + +static inline void bcm63xx_init_irq(void) +{ +} +#else /* ! BCMCPU_RUNTIME_DETECT */ + +static u32 irq_stat_addr, irq_mask_addr; +static void (*dispatch_internal)(void); + +static void bcm63xx_init_irq(void) +{ + irq_stat_addr = bcm63xx_regset_address(RSET_PERF); + irq_mask_addr = bcm63xx_regset_address(RSET_PERF); + + switch (bcm63xx_get_cpu_id()) { + case BCM6338_CPU_ID: + irq_stat_addr += PERF_IRQSTAT_6338_REG; + irq_mask_addr += PERF_IRQMASK_6338_REG; + break; + case BCM6345_CPU_ID: + irq_stat_addr += PERF_IRQSTAT_6345_REG; + irq_mask_addr += PERF_IRQMASK_6345_REG; + break; + case BCM6348_CPU_ID: + irq_stat_addr += PERF_IRQSTAT_6348_REG; + irq_mask_addr += PERF_IRQMASK_6348_REG; + break; + case BCM6358_CPU_ID: + irq_stat_addr += PERF_IRQSTAT_6358_REG; + irq_mask_addr += PERF_IRQMASK_6358_REG; + break; + default: + BUG(); + } + + dispatch_internal = __dispatch_internal; +} +#endif /* ! BCMCPU_RUNTIME_DETECT */ + +static inline void handle_internal(int intbit) +{ + do_IRQ(intbit + IRQ_INTERNAL_BASE); +} + /* * dispatch internal devices IRQ (uart, enet, watchdog, ...). do not * prioritize any interrupt relatively to another. the static counter * will resume the loop where it ended the last time we left this * function. */ -static void bcm63xx_irq_dispatch_internal(void) +static void __dispatch_internal(void) { u32 pending; static int i; - pending = bcm_perf_readl(PERF_IRQMASK_REG) & - bcm_perf_readl(PERF_IRQSTAT_REG); + pending = bcm_readl(irq_stat_addr) & bcm_readl(irq_mask_addr); if (!pending) return ; @@ -41,7 +108,7 @@ static void bcm63xx_irq_dispatch_internal(void) i = (i + 1) & 0x1f; if (pending & (1 << to_call)) { - do_IRQ(to_call + IRQ_INTERNAL_BASE); + handle_internal(to_call); break; } } @@ -60,7 +127,7 @@ asmlinkage void plat_irq_dispatch(void) if (cause & CAUSEF_IP7) do_IRQ(7); if (cause & CAUSEF_IP2) - bcm63xx_irq_dispatch_internal(); + dispatch_internal(); if (cause & CAUSEF_IP3) do_IRQ(IRQ_EXT_0); if (cause & CAUSEF_IP4) @@ -81,9 +148,9 @@ static inline void bcm63xx_internal_irq_mask(struct irq_data *d) unsigned int irq = d->irq - IRQ_INTERNAL_BASE; u32 mask; - mask = bcm_perf_readl(PERF_IRQMASK_REG); + mask = bcm_readl(irq_mask_addr); mask &= ~(1 << irq); - bcm_perf_writel(mask, PERF_IRQMASK_REG); + bcm_writel(mask, irq_mask_addr); } static void bcm63xx_internal_irq_unmask(struct irq_data *d) @@ -91,9 +158,9 @@ static void bcm63xx_internal_irq_unmask(struct irq_data *d) unsigned int irq = d->irq - IRQ_INTERNAL_BASE; u32 mask; - mask = bcm_perf_readl(PERF_IRQMASK_REG); + mask = bcm_readl(irq_mask_addr); mask |= (1 << irq); - bcm_perf_writel(mask, PERF_IRQMASK_REG); + bcm_writel(mask, irq_mask_addr); } /* @@ -229,6 +296,7 @@ void __init arch_init_irq(void) { int i; + bcm63xx_init_irq(); mips_cpu_irq_init(); for (i = IRQ_INTERNAL_BASE; i < NR_IRQS; ++i) irq_set_chip_and_handler(i, &bcm63xx_internal_irq_chip, -- cgit v1.2.3 From 37c42a741f6c2c76dc5e61650e5d66dd20540aaf Mon Sep 17 00:00:00 2001 From: Maxime Bizon Date: Fri, 4 Nov 2011 19:09:32 +0100 Subject: MIPS: BCM63XX: Prepare irq code to handle different external irq hardware implementation. External irq only works for 6348, change code to prepare support of other CPUs. Signed-off-by: Maxime Bizon Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2895/ Signed-off-by: Ralf Baechle --- arch/mips/bcm63xx/irq.c | 104 +++++++++++++++-------- arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h | 12 ++- arch/mips/include/asm/mach-bcm63xx/irq.h | 7 ++ 3 files changed, 79 insertions(+), 44 deletions(-) create mode 100644 arch/mips/include/asm/mach-bcm63xx/irq.h (limited to 'arch/mips/bcm63xx/irq.c') diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c index a81cd828c769..cdf352b040a9 100644 --- a/arch/mips/bcm63xx/irq.c +++ b/arch/mips/bcm63xx/irq.c @@ -25,18 +25,32 @@ static void __dispatch_internal(void) __maybe_unused; #ifdef CONFIG_BCM63XX_CPU_6338 #define irq_stat_reg PERF_IRQSTAT_6338_REG #define irq_mask_reg PERF_IRQMASK_6338_REG +#define is_ext_irq_cascaded 0 +#define ext_irq_start 0 +#define ext_irq_end 0 #endif #ifdef CONFIG_BCM63XX_CPU_6345 #define irq_stat_reg PERF_IRQSTAT_6345_REG #define irq_mask_reg PERF_IRQMASK_6345_REG +#define is_ext_irq_cascaded 0 +#define ext_irq_start 0 +#define ext_irq_end 0 #endif #ifdef CONFIG_BCM63XX_CPU_6348 #define irq_stat_reg PERF_IRQSTAT_6348_REG #define irq_mask_reg PERF_IRQMASK_6348_REG +#define dispatch_internal __dispatch_internal +#define is_ext_irq_cascaded 0 +#define ext_irq_start 0 +#define ext_irq_end 0 #endif #ifdef CONFIG_BCM63XX_CPU_6358 #define irq_stat_reg PERF_IRQSTAT_6358_REG #define irq_mask_reg PERF_IRQMASK_6358_REG +#define dispatch_internal __dispatch_internal +#define is_ext_irq_cascaded 1 +#define ext_irq_start (BCM_6358_EXT_IRQ0 - IRQ_INTERNAL_BASE) +#define ext_irq_end (BCM_6358_EXT_IRQ3 - IRQ_INTERNAL_BASE) #endif #define dispatch_internal __dispatch_internal @@ -51,6 +65,8 @@ static inline void bcm63xx_init_irq(void) static u32 irq_stat_addr, irq_mask_addr; static void (*dispatch_internal)(void); +static int is_ext_irq_cascaded; +static unsigned int ext_irq_start, ext_irq_end; static void bcm63xx_init_irq(void) { @@ -73,6 +89,9 @@ static void bcm63xx_init_irq(void) case BCM6358_CPU_ID: irq_stat_addr += PERF_IRQSTAT_6358_REG; irq_mask_addr += PERF_IRQMASK_6358_REG; + is_ext_irq_cascaded = 1; + ext_irq_start = BCM_6358_EXT_IRQ0 - IRQ_INTERNAL_BASE; + ext_irq_end = BCM_6358_EXT_IRQ3 - IRQ_INTERNAL_BASE; break; default: BUG(); @@ -84,7 +103,11 @@ static void bcm63xx_init_irq(void) static inline void handle_internal(int intbit) { - do_IRQ(intbit + IRQ_INTERNAL_BASE); + if (is_ext_irq_cascaded && + intbit >= ext_irq_start && intbit <= ext_irq_end) + do_IRQ(intbit - ext_irq_start + IRQ_EXTERNAL_BASE); + else + do_IRQ(intbit + IRQ_INTERNAL_BASE); } /* @@ -128,14 +151,16 @@ asmlinkage void plat_irq_dispatch(void) do_IRQ(7); if (cause & CAUSEF_IP2) dispatch_internal(); - if (cause & CAUSEF_IP3) - do_IRQ(IRQ_EXT_0); - if (cause & CAUSEF_IP4) - do_IRQ(IRQ_EXT_1); - if (cause & CAUSEF_IP5) - do_IRQ(IRQ_EXT_2); - if (cause & CAUSEF_IP6) - do_IRQ(IRQ_EXT_3); + if (!is_ext_irq_cascaded) { + if (cause & CAUSEF_IP3) + do_IRQ(IRQ_EXT_0); + if (cause & CAUSEF_IP4) + do_IRQ(IRQ_EXT_1); + if (cause & CAUSEF_IP5) + do_IRQ(IRQ_EXT_2); + if (cause & CAUSEF_IP6) + do_IRQ(IRQ_EXT_3); + } } while (1); } @@ -143,9 +168,8 @@ asmlinkage void plat_irq_dispatch(void) * internal IRQs operations: only mask/unmask on PERF irq mask * register. */ -static inline void bcm63xx_internal_irq_mask(struct irq_data *d) +static void internal_irq_mask(unsigned int irq) { - unsigned int irq = d->irq - IRQ_INTERNAL_BASE; u32 mask; mask = bcm_readl(irq_mask_addr); @@ -153,9 +177,8 @@ static inline void bcm63xx_internal_irq_mask(struct irq_data *d) bcm_writel(mask, irq_mask_addr); } -static void bcm63xx_internal_irq_unmask(struct irq_data *d) +static void internal_irq_unmask(unsigned int irq) { - unsigned int irq = d->irq - IRQ_INTERNAL_BASE; u32 mask; mask = bcm_readl(irq_mask_addr); @@ -163,33 +186,47 @@ static void bcm63xx_internal_irq_unmask(struct irq_data *d) bcm_writel(mask, irq_mask_addr); } +static void bcm63xx_internal_irq_mask(struct irq_data *d) +{ + internal_irq_mask(d->irq - IRQ_INTERNAL_BASE); +} + +static void bcm63xx_internal_irq_unmask(struct irq_data *d) +{ + internal_irq_unmask(d->irq - IRQ_INTERNAL_BASE); +} + /* * external IRQs operations: mask/unmask and clear on PERF external * irq control register. */ static void bcm63xx_external_irq_mask(struct irq_data *d) { - unsigned int irq = d->irq - IRQ_EXT_BASE; + unsigned int irq = d->irq - IRQ_EXTERNAL_BASE; u32 reg; reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG); reg &= ~EXTIRQ_CFG_MASK(irq); bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG); + if (is_ext_irq_cascaded) + internal_irq_mask(irq + ext_irq_start); } static void bcm63xx_external_irq_unmask(struct irq_data *d) { - unsigned int irq = d->irq - IRQ_EXT_BASE; + unsigned int irq = d->irq - IRQ_EXTERNAL_BASE; u32 reg; reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG); reg |= EXTIRQ_CFG_MASK(irq); bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG); + if (is_ext_irq_cascaded) + internal_irq_unmask(irq + ext_irq_start); } static void bcm63xx_external_irq_clear(struct irq_data *d) { - unsigned int irq = d->irq - IRQ_EXT_BASE; + unsigned int irq = d->irq - IRQ_EXTERNAL_BASE; u32 reg; reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG); @@ -197,25 +234,10 @@ static void bcm63xx_external_irq_clear(struct irq_data *d) bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG); } -static unsigned int bcm63xx_external_irq_startup(struct irq_data *d) -{ - set_c0_status(0x100 << (d->irq - IRQ_MIPS_BASE)); - irq_enable_hazard(); - bcm63xx_external_irq_unmask(d); - return 0; -} - -static void bcm63xx_external_irq_shutdown(struct irq_data *d) -{ - bcm63xx_external_irq_mask(d); - clear_c0_status(0x100 << (d->irq - IRQ_MIPS_BASE)); - irq_disable_hazard(); -} - static int bcm63xx_external_irq_set_type(struct irq_data *d, unsigned int flow_type) { - unsigned int irq = d->irq - IRQ_EXT_BASE; + unsigned int irq = d->irq - IRQ_EXTERNAL_BASE; u32 reg; flow_type &= IRQ_TYPE_SENSE_MASK; @@ -275,9 +297,6 @@ static struct irq_chip bcm63xx_internal_irq_chip = { static struct irq_chip bcm63xx_external_irq_chip = { .name = "bcm63xx_epic", - .irq_startup = bcm63xx_external_irq_startup, - .irq_shutdown = bcm63xx_external_irq_shutdown, - .irq_ack = bcm63xx_external_irq_clear, .irq_mask = bcm63xx_external_irq_mask, @@ -292,6 +311,12 @@ static struct irqaction cpu_ip2_cascade_action = { .flags = IRQF_NO_THREAD, }; +static struct irqaction cpu_ext_cascade_action = { + .handler = no_action, + .name = "cascade_extirq", + .flags = IRQF_NO_THREAD, +}; + void __init arch_init_irq(void) { int i; @@ -302,9 +327,14 @@ void __init arch_init_irq(void) irq_set_chip_and_handler(i, &bcm63xx_internal_irq_chip, handle_level_irq); - for (i = IRQ_EXT_BASE; i < IRQ_EXT_BASE + 4; ++i) + for (i = IRQ_EXTERNAL_BASE; i < IRQ_EXTERNAL_BASE + 4; ++i) irq_set_chip_and_handler(i, &bcm63xx_external_irq_chip, handle_edge_irq); - setup_irq(IRQ_MIPS_BASE + 2, &cpu_ip2_cascade_action); + if (!is_ext_irq_cascaded) { + for (i = 3; i < 7; ++i) + setup_irq(MIPS_CPU_IRQ_BASE + i, &cpu_ext_cascade_action); + } + + setup_irq(MIPS_CPU_IRQ_BASE + 2, &cpu_ip2_cascade_action); } diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h index 5f95577c8213..0c3074b871b8 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h @@ -3,13 +3,11 @@ #include -#define IRQ_MIPS_BASE 0 #define IRQ_INTERNAL_BASE 8 - -#define IRQ_EXT_BASE (IRQ_MIPS_BASE + 3) -#define IRQ_EXT_0 (IRQ_EXT_BASE + 0) -#define IRQ_EXT_1 (IRQ_EXT_BASE + 1) -#define IRQ_EXT_2 (IRQ_EXT_BASE + 2) -#define IRQ_EXT_3 (IRQ_EXT_BASE + 3) +#define IRQ_EXTERNAL_BASE 100 +#define IRQ_EXT_0 (IRQ_EXTERNAL_BASE + 0) +#define IRQ_EXT_1 (IRQ_EXTERNAL_BASE + 1) +#define IRQ_EXT_2 (IRQ_EXTERNAL_BASE + 2) +#define IRQ_EXT_3 (IRQ_EXTERNAL_BASE + 3) #endif /* ! BCM63XX_IRQ_H_ */ diff --git a/arch/mips/include/asm/mach-bcm63xx/irq.h b/arch/mips/include/asm/mach-bcm63xx/irq.h new file mode 100644 index 000000000000..9332e788a5c9 --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/irq.h @@ -0,0 +1,7 @@ +#ifndef __ASM_MACH_BCM63XX_IRQ_H +#define __ASM_MACH_BCM63XX_IRQ_H + +#define NR_IRQS 128 +#define MIPS_CPU_IRQ_BASE 0 + +#endif -- cgit v1.2.3 From 71a43927b3bfe1a42cbf7bb174b170f06fa00a1a Mon Sep 17 00:00:00 2001 From: Maxime Bizon Date: Fri, 4 Nov 2011 19:09:33 +0100 Subject: MIPS: BCM63XX: Handle 64 bits irq stat register in irq code. bcm6368 has larger irq registers, prepare for this. Signed-off-by: Maxime Bizon Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2898/ Signed-off-by: Ralf Baechle --- arch/mips/bcm63xx/irq.c | 82 +++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 76 insertions(+), 6 deletions(-) (limited to 'arch/mips/bcm63xx/irq.c') diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c index cdf352b040a9..11f8942b82dc 100644 --- a/arch/mips/bcm63xx/irq.c +++ b/arch/mips/bcm63xx/irq.c @@ -20,11 +20,17 @@ #include static void __dispatch_internal(void) __maybe_unused; +static void __dispatch_internal_64(void) __maybe_unused; +static void __internal_irq_mask_32(unsigned int irq) __maybe_unused; +static void __internal_irq_mask_64(unsigned int irq) __maybe_unused; +static void __internal_irq_unmask_32(unsigned int irq) __maybe_unused; +static void __internal_irq_unmask_64(unsigned int irq) __maybe_unused; #ifndef BCMCPU_RUNTIME_DETECT #ifdef CONFIG_BCM63XX_CPU_6338 #define irq_stat_reg PERF_IRQSTAT_6338_REG #define irq_mask_reg PERF_IRQMASK_6338_REG +#define irq_bits 32 #define is_ext_irq_cascaded 0 #define ext_irq_start 0 #define ext_irq_end 0 @@ -32,6 +38,7 @@ static void __dispatch_internal(void) __maybe_unused; #ifdef CONFIG_BCM63XX_CPU_6345 #define irq_stat_reg PERF_IRQSTAT_6345_REG #define irq_mask_reg PERF_IRQMASK_6345_REG +#define irq_bits 32 #define is_ext_irq_cascaded 0 #define ext_irq_start 0 #define ext_irq_end 0 @@ -39,7 +46,7 @@ static void __dispatch_internal(void) __maybe_unused; #ifdef CONFIG_BCM63XX_CPU_6348 #define irq_stat_reg PERF_IRQSTAT_6348_REG #define irq_mask_reg PERF_IRQMASK_6348_REG -#define dispatch_internal __dispatch_internal +#define irq_bits 32 #define is_ext_irq_cascaded 0 #define ext_irq_start 0 #define ext_irq_end 0 @@ -47,13 +54,21 @@ static void __dispatch_internal(void) __maybe_unused; #ifdef CONFIG_BCM63XX_CPU_6358 #define irq_stat_reg PERF_IRQSTAT_6358_REG #define irq_mask_reg PERF_IRQMASK_6358_REG -#define dispatch_internal __dispatch_internal +#define irq_bits 32 #define is_ext_irq_cascaded 1 #define ext_irq_start (BCM_6358_EXT_IRQ0 - IRQ_INTERNAL_BASE) #define ext_irq_end (BCM_6358_EXT_IRQ3 - IRQ_INTERNAL_BASE) #endif -#define dispatch_internal __dispatch_internal +#if irq_bits == 32 +#define dispatch_internal __dispatch_internal +#define internal_irq_mask __internal_irq_mask_32 +#define internal_irq_unmask __internal_irq_unmask_32 +#else +#define dispatch_internal __dispatch_internal_64 +#define internal_irq_mask __internal_irq_mask_64 +#define internal_irq_unmask __internal_irq_unmask_64 +#endif #define irq_stat_addr (bcm63xx_regset_address(RSET_PERF) + irq_stat_reg) #define irq_mask_addr (bcm63xx_regset_address(RSET_PERF) + irq_mask_reg) @@ -67,9 +82,13 @@ static u32 irq_stat_addr, irq_mask_addr; static void (*dispatch_internal)(void); static int is_ext_irq_cascaded; static unsigned int ext_irq_start, ext_irq_end; +static void (*internal_irq_mask)(unsigned int irq); +static void (*internal_irq_unmask)(unsigned int irq); static void bcm63xx_init_irq(void) { + int irq_bits; + irq_stat_addr = bcm63xx_regset_address(RSET_PERF); irq_mask_addr = bcm63xx_regset_address(RSET_PERF); @@ -77,18 +96,22 @@ static void bcm63xx_init_irq(void) case BCM6338_CPU_ID: irq_stat_addr += PERF_IRQSTAT_6338_REG; irq_mask_addr += PERF_IRQMASK_6338_REG; + irq_bits = 32; break; case BCM6345_CPU_ID: irq_stat_addr += PERF_IRQSTAT_6345_REG; irq_mask_addr += PERF_IRQMASK_6345_REG; + irq_bits = 32; break; case BCM6348_CPU_ID: irq_stat_addr += PERF_IRQSTAT_6348_REG; irq_mask_addr += PERF_IRQMASK_6348_REG; + irq_bits = 32; break; case BCM6358_CPU_ID: irq_stat_addr += PERF_IRQSTAT_6358_REG; irq_mask_addr += PERF_IRQMASK_6358_REG; + irq_bits = 32; is_ext_irq_cascaded = 1; ext_irq_start = BCM_6358_EXT_IRQ0 - IRQ_INTERNAL_BASE; ext_irq_end = BCM_6358_EXT_IRQ3 - IRQ_INTERNAL_BASE; @@ -97,7 +120,15 @@ static void bcm63xx_init_irq(void) BUG(); } - dispatch_internal = __dispatch_internal; + if (irq_bits == 32) { + dispatch_internal = __dispatch_internal; + internal_irq_mask = __internal_irq_mask_32; + internal_irq_unmask = __internal_irq_unmask_32; + } else { + dispatch_internal = __dispatch_internal_64; + internal_irq_mask = __internal_irq_mask_64; + internal_irq_unmask = __internal_irq_unmask_64; + } } #endif /* ! BCMCPU_RUNTIME_DETECT */ @@ -137,6 +168,27 @@ static void __dispatch_internal(void) } } +static void __dispatch_internal_64(void) +{ + u64 pending; + static int i; + + pending = bcm_readq(irq_stat_addr) & bcm_readq(irq_mask_addr); + + if (!pending) + return ; + + while (1) { + int to_call = i; + + i = (i + 1) & 0x3f; + if (pending & (1ull << to_call)) { + handle_internal(to_call); + break; + } + } +} + asmlinkage void plat_irq_dispatch(void) { u32 cause; @@ -168,7 +220,7 @@ asmlinkage void plat_irq_dispatch(void) * internal IRQs operations: only mask/unmask on PERF irq mask * register. */ -static void internal_irq_mask(unsigned int irq) +static void __internal_irq_mask_32(unsigned int irq) { u32 mask; @@ -177,7 +229,16 @@ static void internal_irq_mask(unsigned int irq) bcm_writel(mask, irq_mask_addr); } -static void internal_irq_unmask(unsigned int irq) +static void __internal_irq_mask_64(unsigned int irq) +{ + u64 mask; + + mask = bcm_readq(irq_mask_addr); + mask &= ~(1ull << irq); + bcm_writeq(mask, irq_mask_addr); +} + +static void __internal_irq_unmask_32(unsigned int irq) { u32 mask; @@ -186,6 +247,15 @@ static void internal_irq_unmask(unsigned int irq) bcm_writel(mask, irq_mask_addr); } +static void __internal_irq_unmask_64(unsigned int irq) +{ + u64 mask; + + mask = bcm_readq(irq_mask_addr); + mask |= (1ull << irq); + bcm_writeq(mask, irq_mask_addr); +} + static void bcm63xx_internal_irq_mask(struct irq_data *d) { internal_irq_mask(d->irq - IRQ_INTERNAL_BASE); -- cgit v1.2.3 From 6224892c819e96898534c107c72b80a1a8e75abf Mon Sep 17 00:00:00 2001 From: Maxime Bizon Date: Fri, 4 Nov 2011 19:09:34 +0100 Subject: MIPS: BCM63XX: Add external irq support for non 6348 CPUs. Signed-off-by: Maxime Bizon Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2899/ Signed-off-by: Ralf Baechle --- arch/mips/bcm63xx/irq.c | 131 +++++++++++++++++----- arch/mips/bcm63xx/setup.c | 30 ++++- arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 31 +++-- 3 files changed, 149 insertions(+), 43 deletions(-) (limited to 'arch/mips/bcm63xx/irq.c') diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c index 11f8942b82dc..9f538846b3f7 100644 --- a/arch/mips/bcm63xx/irq.c +++ b/arch/mips/bcm63xx/irq.c @@ -34,6 +34,9 @@ static void __internal_irq_unmask_64(unsigned int irq) __maybe_unused; #define is_ext_irq_cascaded 0 #define ext_irq_start 0 #define ext_irq_end 0 +#define ext_irq_count 4 +#define ext_irq_cfg_reg1 PERF_EXTIRQ_CFG_REG_6338 +#define ext_irq_cfg_reg2 0 #endif #ifdef CONFIG_BCM63XX_CPU_6345 #define irq_stat_reg PERF_IRQSTAT_6345_REG @@ -42,6 +45,9 @@ static void __internal_irq_unmask_64(unsigned int irq) __maybe_unused; #define is_ext_irq_cascaded 0 #define ext_irq_start 0 #define ext_irq_end 0 +#define ext_irq_count 0 +#define ext_irq_cfg_reg1 0 +#define ext_irq_cfg_reg2 0 #endif #ifdef CONFIG_BCM63XX_CPU_6348 #define irq_stat_reg PERF_IRQSTAT_6348_REG @@ -50,6 +56,9 @@ static void __internal_irq_unmask_64(unsigned int irq) __maybe_unused; #define is_ext_irq_cascaded 0 #define ext_irq_start 0 #define ext_irq_end 0 +#define ext_irq_count 4 +#define ext_irq_cfg_reg1 PERF_EXTIRQ_CFG_REG_6348 +#define ext_irq_cfg_reg2 0 #endif #ifdef CONFIG_BCM63XX_CPU_6358 #define irq_stat_reg PERF_IRQSTAT_6358_REG @@ -58,6 +67,9 @@ static void __internal_irq_unmask_64(unsigned int irq) __maybe_unused; #define is_ext_irq_cascaded 1 #define ext_irq_start (BCM_6358_EXT_IRQ0 - IRQ_INTERNAL_BASE) #define ext_irq_end (BCM_6358_EXT_IRQ3 - IRQ_INTERNAL_BASE) +#define ext_irq_count 4 +#define ext_irq_cfg_reg1 PERF_EXTIRQ_CFG_REG_6358 +#define ext_irq_cfg_reg2 0 #endif #if irq_bits == 32 @@ -81,7 +93,9 @@ static inline void bcm63xx_init_irq(void) static u32 irq_stat_addr, irq_mask_addr; static void (*dispatch_internal)(void); static int is_ext_irq_cascaded; +static unsigned int ext_irq_count; static unsigned int ext_irq_start, ext_irq_end; +static unsigned int ext_irq_cfg_reg1, ext_irq_cfg_reg2; static void (*internal_irq_mask)(unsigned int irq); static void (*internal_irq_unmask)(unsigned int irq); @@ -107,14 +121,18 @@ static void bcm63xx_init_irq(void) irq_stat_addr += PERF_IRQSTAT_6348_REG; irq_mask_addr += PERF_IRQMASK_6348_REG; irq_bits = 32; + ext_irq_count = 4; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6348; break; case BCM6358_CPU_ID: irq_stat_addr += PERF_IRQSTAT_6358_REG; irq_mask_addr += PERF_IRQMASK_6358_REG; irq_bits = 32; + ext_irq_count = 4; is_ext_irq_cascaded = 1; ext_irq_start = BCM_6358_EXT_IRQ0 - IRQ_INTERNAL_BASE; ext_irq_end = BCM_6358_EXT_IRQ3 - IRQ_INTERNAL_BASE; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6358; break; default: BUG(); @@ -132,6 +150,13 @@ static void bcm63xx_init_irq(void) } #endif /* ! BCMCPU_RUNTIME_DETECT */ +static inline u32 get_ext_irq_perf_reg(int irq) +{ + if (irq < 4) + return ext_irq_cfg_reg1; + return ext_irq_cfg_reg2; +} + static inline void handle_internal(int intbit) { if (is_ext_irq_cascaded && @@ -273,11 +298,17 @@ static void bcm63xx_internal_irq_unmask(struct irq_data *d) static void bcm63xx_external_irq_mask(struct irq_data *d) { unsigned int irq = d->irq - IRQ_EXTERNAL_BASE; - u32 reg; + u32 reg, regaddr; - reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG); - reg &= ~EXTIRQ_CFG_MASK(irq); - bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG); + regaddr = get_ext_irq_perf_reg(irq); + reg = bcm_perf_readl(regaddr); + + if (BCMCPU_IS_6348()) + reg &= ~EXTIRQ_CFG_MASK_6348(irq % 4); + else + reg &= ~EXTIRQ_CFG_MASK(irq % 4); + + bcm_perf_writel(reg, regaddr); if (is_ext_irq_cascaded) internal_irq_mask(irq + ext_irq_start); } @@ -285,11 +316,18 @@ static void bcm63xx_external_irq_mask(struct irq_data *d) static void bcm63xx_external_irq_unmask(struct irq_data *d) { unsigned int irq = d->irq - IRQ_EXTERNAL_BASE; - u32 reg; + u32 reg, regaddr; + + regaddr = get_ext_irq_perf_reg(irq); + reg = bcm_perf_readl(regaddr); + + if (BCMCPU_IS_6348()) + reg |= EXTIRQ_CFG_MASK_6348(irq % 4); + else + reg |= EXTIRQ_CFG_MASK(irq % 4); + + bcm_perf_writel(reg, regaddr); - reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG); - reg |= EXTIRQ_CFG_MASK(irq); - bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG); if (is_ext_irq_cascaded) internal_irq_unmask(irq + ext_irq_start); } @@ -297,58 +335,93 @@ static void bcm63xx_external_irq_unmask(struct irq_data *d) static void bcm63xx_external_irq_clear(struct irq_data *d) { unsigned int irq = d->irq - IRQ_EXTERNAL_BASE; - u32 reg; + u32 reg, regaddr; + + regaddr = get_ext_irq_perf_reg(irq); + reg = bcm_perf_readl(regaddr); - reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG); - reg |= EXTIRQ_CFG_CLEAR(irq); - bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG); + if (BCMCPU_IS_6348()) + reg |= EXTIRQ_CFG_CLEAR_6348(irq % 4); + else + reg |= EXTIRQ_CFG_CLEAR(irq % 4); + + bcm_perf_writel(reg, regaddr); } static int bcm63xx_external_irq_set_type(struct irq_data *d, unsigned int flow_type) { unsigned int irq = d->irq - IRQ_EXTERNAL_BASE; - u32 reg; + u32 reg, regaddr; + int levelsense, sense, bothedge; flow_type &= IRQ_TYPE_SENSE_MASK; if (flow_type == IRQ_TYPE_NONE) flow_type = IRQ_TYPE_LEVEL_LOW; - reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG); + levelsense = sense = bothedge = 0; switch (flow_type) { case IRQ_TYPE_EDGE_BOTH: - reg &= ~EXTIRQ_CFG_LEVELSENSE(irq); - reg |= EXTIRQ_CFG_BOTHEDGE(irq); + bothedge = 1; break; case IRQ_TYPE_EDGE_RISING: - reg &= ~EXTIRQ_CFG_LEVELSENSE(irq); - reg |= EXTIRQ_CFG_SENSE(irq); - reg &= ~EXTIRQ_CFG_BOTHEDGE(irq); + sense = 1; break; case IRQ_TYPE_EDGE_FALLING: - reg &= ~EXTIRQ_CFG_LEVELSENSE(irq); - reg &= ~EXTIRQ_CFG_SENSE(irq); - reg &= ~EXTIRQ_CFG_BOTHEDGE(irq); break; case IRQ_TYPE_LEVEL_HIGH: - reg |= EXTIRQ_CFG_LEVELSENSE(irq); - reg |= EXTIRQ_CFG_SENSE(irq); + levelsense = 1; + sense = 1; break; case IRQ_TYPE_LEVEL_LOW: - reg |= EXTIRQ_CFG_LEVELSENSE(irq); - reg &= ~EXTIRQ_CFG_SENSE(irq); + levelsense = 1; break; default: printk(KERN_ERR "bogus flow type combination given !\n"); return -EINVAL; } - bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG); + + regaddr = get_ext_irq_perf_reg(irq); + reg = bcm_perf_readl(regaddr); + irq %= 4; + + if (BCMCPU_IS_6348()) { + if (levelsense) + reg |= EXTIRQ_CFG_LEVELSENSE_6348(irq); + else + reg &= ~EXTIRQ_CFG_LEVELSENSE_6348(irq); + if (sense) + reg |= EXTIRQ_CFG_SENSE_6348(irq); + else + reg &= ~EXTIRQ_CFG_SENSE_6348(irq); + if (bothedge) + reg |= EXTIRQ_CFG_BOTHEDGE_6348(irq); + else + reg &= ~EXTIRQ_CFG_BOTHEDGE_6348(irq); + } + + if (BCMCPU_IS_6338() || BCMCPU_IS_6358()) { + if (levelsense) + reg |= EXTIRQ_CFG_LEVELSENSE(irq); + else + reg &= ~EXTIRQ_CFG_LEVELSENSE(irq); + if (sense) + reg |= EXTIRQ_CFG_SENSE(irq); + else + reg &= ~EXTIRQ_CFG_SENSE(irq); + if (bothedge) + reg |= EXTIRQ_CFG_BOTHEDGE(irq); + else + reg &= ~EXTIRQ_CFG_BOTHEDGE(irq); + } + + bcm_perf_writel(reg, regaddr); irqd_set_trigger_type(d, flow_type); if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) @@ -397,12 +470,12 @@ void __init arch_init_irq(void) irq_set_chip_and_handler(i, &bcm63xx_internal_irq_chip, handle_level_irq); - for (i = IRQ_EXTERNAL_BASE; i < IRQ_EXTERNAL_BASE + 4; ++i) + for (i = IRQ_EXTERNAL_BASE; i < IRQ_EXTERNAL_BASE + ext_irq_count; ++i) irq_set_chip_and_handler(i, &bcm63xx_external_irq_chip, handle_edge_irq); if (!is_ext_irq_cascaded) { - for (i = 3; i < 7; ++i) + for (i = 3; i < 3 + ext_irq_count; ++i) setup_irq(MIPS_CPU_IRQ_BASE + i, &cpu_ext_cascade_action); } diff --git a/arch/mips/bcm63xx/setup.c b/arch/mips/bcm63xx/setup.c index 04a349928643..d209f85d87bb 100644 --- a/arch/mips/bcm63xx/setup.c +++ b/arch/mips/bcm63xx/setup.c @@ -63,13 +63,33 @@ static void bcm6348_a1_reboot(void) void bcm63xx_machine_reboot(void) { - u32 reg; + u32 reg, perf_regs[2] = { 0, 0 }; + unsigned int i; /* mask and clear all external irq */ - reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG); - reg &= ~EXTIRQ_CFG_MASK_ALL; - reg |= EXTIRQ_CFG_CLEAR_ALL; - bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG); + switch (bcm63xx_get_cpu_id()) { + case BCM6338_CPU_ID: + perf_regs[0] = PERF_EXTIRQ_CFG_REG_6338; + break; + case BCM6348_CPU_ID: + perf_regs[0] = PERF_EXTIRQ_CFG_REG_6348; + break; + case BCM6358_CPU_ID: + perf_regs[0] = PERF_EXTIRQ_CFG_REG_6358; + break; + } + + for (i = 0; i < 2; i++) { + reg = bcm_perf_readl(perf_regs[i]); + if (BCMCPU_IS_6348()) { + reg &= ~EXTIRQ_CFG_MASK_ALL_6348; + reg |= EXTIRQ_CFG_CLEAR_ALL_6348; + } else { + reg &= ~EXTIRQ_CFG_MASK_ALL; + reg |= EXTIRQ_CFG_CLEAR_ALL; + } + bcm_perf_writel(reg, perf_regs[i]); + } if (BCMCPU_IS_6348() && (bcm63xx_get_cpu_rev() == 0xa1)) bcm6348_a1_reboot(); diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h index 25676cdeb30f..2b3a2d6bdb03 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h @@ -100,16 +100,29 @@ #define PERF_IRQSTAT_6358_REG 0x10 /* External Interrupt Configuration register */ -#define PERF_EXTIRQ_CFG_REG 0x14 +#define PERF_EXTIRQ_CFG_REG_6338 0x14 +#define PERF_EXTIRQ_CFG_REG_6348 0x14 +#define PERF_EXTIRQ_CFG_REG_6358 0x14 + +/* for 6348 only */ +#define EXTIRQ_CFG_SENSE_6348(x) (1 << (x)) +#define EXTIRQ_CFG_STAT_6348(x) (1 << (x + 5)) +#define EXTIRQ_CFG_CLEAR_6348(x) (1 << (x + 10)) +#define EXTIRQ_CFG_MASK_6348(x) (1 << (x + 15)) +#define EXTIRQ_CFG_BOTHEDGE_6348(x) (1 << (x + 20)) +#define EXTIRQ_CFG_LEVELSENSE_6348(x) (1 << (x + 25)) +#define EXTIRQ_CFG_CLEAR_ALL_6348 (0xf << 10) +#define EXTIRQ_CFG_MASK_ALL_6348 (0xf << 15) + +/* for all others */ #define EXTIRQ_CFG_SENSE(x) (1 << (x)) -#define EXTIRQ_CFG_STAT(x) (1 << (x + 5)) -#define EXTIRQ_CFG_CLEAR(x) (1 << (x + 10)) -#define EXTIRQ_CFG_MASK(x) (1 << (x + 15)) -#define EXTIRQ_CFG_BOTHEDGE(x) (1 << (x + 20)) -#define EXTIRQ_CFG_LEVELSENSE(x) (1 << (x + 25)) - -#define EXTIRQ_CFG_CLEAR_ALL (0xf << 10) -#define EXTIRQ_CFG_MASK_ALL (0xf << 15) +#define EXTIRQ_CFG_STAT(x) (1 << (x + 4)) +#define EXTIRQ_CFG_CLEAR(x) (1 << (x + 8)) +#define EXTIRQ_CFG_MASK(x) (1 << (x + 12)) +#define EXTIRQ_CFG_BOTHEDGE(x) (1 << (x + 16)) +#define EXTIRQ_CFG_LEVELSENSE(x) (1 << (x + 20)) +#define EXTIRQ_CFG_CLEAR_ALL (0xf << 8) +#define EXTIRQ_CFG_MASK_ALL (0xf << 12) /* Soft Reset register */ #define PERF_SOFTRESET_REG 0x28 -- cgit v1.2.3 From 04712f3ff6e3a42ef658b55b0f99478f4f0682e3 Mon Sep 17 00:00:00 2001 From: Maxime Bizon Date: Fri, 4 Nov 2011 19:09:35 +0100 Subject: MIPS: BCM63XX: Add support for bcm6368 CPU. Signed-off-by: Maxime Bizon Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2892/ Signed-off-by: Ralf Baechle --- arch/mips/bcm63xx/Kconfig | 4 + arch/mips/bcm63xx/clk.c | 70 +++++++++++++- arch/mips/bcm63xx/cpu.c | 79 ++++++++++++---- arch/mips/bcm63xx/dev-uart.c | 2 +- arch/mips/bcm63xx/irq.c | 24 ++++- arch/mips/bcm63xx/prom.c | 7 +- arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h | 99 ++++++++++++++++++++ arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h | 2 + arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 109 +++++++++++++++++++++- arch/mips/include/asm/mach-bcm63xx/ioremap.h | 4 + arch/mips/pci/pci-bcm63xx.c | 4 +- 11 files changed, 377 insertions(+), 27 deletions(-) (limited to 'arch/mips/bcm63xx/irq.c') diff --git a/arch/mips/bcm63xx/Kconfig b/arch/mips/bcm63xx/Kconfig index fb177d6df066..6b1b9ad8d857 100644 --- a/arch/mips/bcm63xx/Kconfig +++ b/arch/mips/bcm63xx/Kconfig @@ -20,6 +20,10 @@ config BCM63XX_CPU_6348 config BCM63XX_CPU_6358 bool "support 6358 CPU" select HW_HAS_PCI + +config BCM63XX_CPU_6368 + bool "support 6368 CPU" + select HW_HAS_PCI endmenu source "arch/mips/bcm63xx/boards/Kconfig" diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c index 2c68ee9ccee2..9d57c71b7b58 100644 --- a/arch/mips/bcm63xx/clk.c +++ b/arch/mips/bcm63xx/clk.c @@ -10,6 +10,7 @@ #include #include #include +#include #include #include #include @@ -112,6 +113,34 @@ static struct clk clk_ephy = { .set = ephy_set, }; +/* + * Ethernet switch clock + */ +static void enetsw_set(struct clk *clk, int enable) +{ + if (!BCMCPU_IS_6368()) + return; + bcm_hwclock_set(CKCTL_6368_ROBOSW_CLK_EN | + CKCTL_6368_SWPKT_USB_EN | + CKCTL_6368_SWPKT_SAR_EN, enable); + if (enable) { + u32 val; + + /* reset switch core afer clock change */ + val = bcm_perf_readl(PERF_SOFTRESET_6368_REG); + val &= ~SOFTRESET_6368_ENETSW_MASK; + bcm_perf_writel(val, PERF_SOFTRESET_6368_REG); + msleep(10); + val |= SOFTRESET_6368_ENETSW_MASK; + bcm_perf_writel(val, PERF_SOFTRESET_6368_REG); + msleep(10); + } +} + +static struct clk clk_enetsw = { + .set = enetsw_set, +}; + /* * PCM clock */ @@ -131,9 +160,10 @@ static struct clk clk_pcm = { */ static void usbh_set(struct clk *clk, int enable) { - if (!BCMCPU_IS_6348()) - return; - bcm_hwclock_set(CKCTL_6348_USBH_EN, enable); + if (BCMCPU_IS_6348()) + bcm_hwclock_set(CKCTL_6348_USBH_EN, enable); + else if (BCMCPU_IS_6368()) + bcm_hwclock_set(CKCTL_6368_USBH_CLK_EN, enable); } static struct clk clk_usbh = { @@ -161,6 +191,36 @@ static struct clk clk_spi = { .set = spi_set, }; +/* + * XTM clock + */ +static void xtm_set(struct clk *clk, int enable) +{ + if (!BCMCPU_IS_6368()) + return; + + bcm_hwclock_set(CKCTL_6368_SAR_CLK_EN | + CKCTL_6368_SWPKT_SAR_EN, enable); + + if (enable) { + u32 val; + + /* reset sar core afer clock change */ + val = bcm_perf_readl(PERF_SOFTRESET_6368_REG); + val &= ~SOFTRESET_6368_SAR_MASK; + bcm_perf_writel(val, PERF_SOFTRESET_6368_REG); + mdelay(1); + val |= SOFTRESET_6368_SAR_MASK; + bcm_perf_writel(val, PERF_SOFTRESET_6368_REG); + mdelay(1); + } +} + + +static struct clk clk_xtm = { + .set = xtm_set, +}; + /* * Internal peripheral clock */ @@ -204,12 +264,16 @@ struct clk *clk_get(struct device *dev, const char *id) return &clk_enet0; if (!strcmp(id, "enet1")) return &clk_enet1; + if (!strcmp(id, "enetsw")) + return &clk_enetsw; if (!strcmp(id, "ephy")) return &clk_ephy; if (!strcmp(id, "usbh")) return &clk_usbh; if (!strcmp(id, "spi")) return &clk_spi; + if (!strcmp(id, "xtm")) + return &clk_xtm; if (!strcmp(id, "periph")) return &clk_periph; if (BCMCPU_IS_6358() && !strcmp(id, "pcm")) diff --git a/arch/mips/bcm63xx/cpu.c b/arch/mips/bcm63xx/cpu.c index 8bd5133eafd1..80941687b9dd 100644 --- a/arch/mips/bcm63xx/cpu.c +++ b/arch/mips/bcm63xx/cpu.c @@ -63,6 +63,15 @@ static const int bcm6358_irqs[] = { }; +static const unsigned long bcm6368_regs_base[] = { + __GEN_CPU_REGS_TABLE(6368) +}; + +static const int bcm6368_irqs[] = { + __GEN_CPU_IRQ_TABLE(6368) + +}; + u16 __bcm63xx_get_cpu_id(void) { return bcm63xx_cpu_id; @@ -89,20 +98,19 @@ unsigned int bcm63xx_get_memory_size(void) static unsigned int detect_cpu_clock(void) { - unsigned int tmp, n1 = 0, n2 = 0, m1 = 0; - - /* BCM6338 has a fixed 240 Mhz frequency */ - if (BCMCPU_IS_6338()) + switch (bcm63xx_get_cpu_id()) { + case BCM6338_CPU_ID: + /* BCM6338 has a fixed 240 Mhz frequency */ return 240000000; - /* BCM6345 has a fixed 140Mhz frequency */ - if (BCMCPU_IS_6345()) + case BCM6345_CPU_ID: + /* BCM6345 has a fixed 140Mhz frequency */ return 140000000; - /* - * frequency depends on PLL configuration: - */ - if (BCMCPU_IS_6348()) { + case BCM6348_CPU_ID: + { + unsigned int tmp, n1, n2, m1; + /* 16MHz * (N1 + 1) * (N2 + 2) / (M1_CPU + 1) */ tmp = bcm_perf_readl(PERF_MIPSPLLCTL_REG); n1 = (tmp & MIPSPLLCTL_N1_MASK) >> MIPSPLLCTL_N1_SHIFT; @@ -111,17 +119,47 @@ static unsigned int detect_cpu_clock(void) n1 += 1; n2 += 2; m1 += 1; + return (16 * 1000000 * n1 * n2) / m1; } - if (BCMCPU_IS_6358()) { + case BCM6358_CPU_ID: + { + unsigned int tmp, n1, n2, m1; + /* 16MHz * N1 * N2 / M1_CPU */ tmp = bcm_ddr_readl(DDR_DMIPSPLLCFG_REG); n1 = (tmp & DMIPSPLLCFG_N1_MASK) >> DMIPSPLLCFG_N1_SHIFT; n2 = (tmp & DMIPSPLLCFG_N2_MASK) >> DMIPSPLLCFG_N2_SHIFT; m1 = (tmp & DMIPSPLLCFG_M1_MASK) >> DMIPSPLLCFG_M1_SHIFT; + return (16 * 1000000 * n1 * n2) / m1; } - return (16 * 1000000 * n1 * n2) / m1; + case BCM6368_CPU_ID: + { + unsigned int tmp, p1, p2, ndiv, m1; + + /* (64MHz / P1) * P2 * NDIV / M1_CPU */ + tmp = bcm_ddr_readl(DDR_DMIPSPLLCFG_6368_REG); + + p1 = (tmp & DMIPSPLLCFG_6368_P1_MASK) >> + DMIPSPLLCFG_6368_P1_SHIFT; + + p2 = (tmp & DMIPSPLLCFG_6368_P2_MASK) >> + DMIPSPLLCFG_6368_P2_SHIFT; + + ndiv = (tmp & DMIPSPLLCFG_6368_NDIV_MASK) >> + DMIPSPLLCFG_6368_NDIV_SHIFT; + + tmp = bcm_ddr_readl(DDR_DMIPSPLLDIV_6368_REG); + m1 = (tmp & DMIPSPLLDIV_6368_MDIV_MASK) >> + DMIPSPLLDIV_6368_MDIV_SHIFT; + + return (((64 * 1000000) / p1) * p2 * ndiv) / m1; + } + + default: + BUG(); + } } /* @@ -143,7 +181,7 @@ static unsigned int detect_memory_size(void) banks = (val & SDRAM_CFG_BANK_MASK) ? 2 : 1; } - if (BCMCPU_IS_6358()) { + if (BCMCPU_IS_6358() || BCMCPU_IS_6368()) { val = bcm_memc_readl(MEMC_CFG_REG); rows = (val & MEMC_CFG_ROW_MASK) >> MEMC_CFG_ROW_SHIFT; cols = (val & MEMC_CFG_COL_MASK) >> MEMC_CFG_COL_SHIFT; @@ -188,9 +226,18 @@ void __init bcm63xx_cpu_init(void) bcm63xx_irqs = bcm6345_irqs; break; case CPU_BMIPS4350: - expected_cpu_id = BCM6358_CPU_ID; - bcm63xx_regs_base = bcm6358_regs_base; - bcm63xx_irqs = bcm6358_irqs; + switch (read_c0_prid() & 0xf0) { + case 0x10: + expected_cpu_id = BCM6358_CPU_ID; + bcm63xx_regs_base = bcm6358_regs_base; + bcm63xx_irqs = bcm6358_irqs; + break; + case 0x30: + expected_cpu_id = BCM6368_CPU_ID; + bcm63xx_regs_base = bcm6368_regs_base; + bcm63xx_irqs = bcm6368_irqs; + break; + } break; } diff --git a/arch/mips/bcm63xx/dev-uart.c b/arch/mips/bcm63xx/dev-uart.c index c2963da0253e..d6e42c608325 100644 --- a/arch/mips/bcm63xx/dev-uart.c +++ b/arch/mips/bcm63xx/dev-uart.c @@ -54,7 +54,7 @@ int __init bcm63xx_uart_register(unsigned int id) if (id >= ARRAY_SIZE(bcm63xx_uart_devices)) return -ENODEV; - if (id == 1 && !BCMCPU_IS_6358()) + if (id == 1 && (!BCMCPU_IS_6358() && !BCMCPU_IS_6368())) return -ENODEV; if (id == 0) { diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c index 9f538846b3f7..9a216a451d92 100644 --- a/arch/mips/bcm63xx/irq.c +++ b/arch/mips/bcm63xx/irq.c @@ -71,6 +71,17 @@ static void __internal_irq_unmask_64(unsigned int irq) __maybe_unused; #define ext_irq_cfg_reg1 PERF_EXTIRQ_CFG_REG_6358 #define ext_irq_cfg_reg2 0 #endif +#ifdef CONFIG_BCM63XX_CPU_6368 +#define irq_stat_reg PERF_IRQSTAT_6368_REG +#define irq_mask_reg PERF_IRQMASK_6368_REG +#define irq_bits 64 +#define is_ext_irq_cascaded 1 +#define ext_irq_start (BCM_6368_EXT_IRQ0 - IRQ_INTERNAL_BASE) +#define ext_irq_end (BCM_6368_EXT_IRQ5 - IRQ_INTERNAL_BASE) +#define ext_irq_count 6 +#define ext_irq_cfg_reg1 PERF_EXTIRQ_CFG_REG_6368 +#define ext_irq_cfg_reg2 PERF_EXTIRQ_CFG_REG2_6368 +#endif #if irq_bits == 32 #define dispatch_internal __dispatch_internal @@ -134,6 +145,17 @@ static void bcm63xx_init_irq(void) ext_irq_end = BCM_6358_EXT_IRQ3 - IRQ_INTERNAL_BASE; ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6358; break; + case BCM6368_CPU_ID: + irq_stat_addr += PERF_IRQSTAT_6368_REG; + irq_mask_addr += PERF_IRQMASK_6368_REG; + irq_bits = 64; + ext_irq_count = 6; + is_ext_irq_cascaded = 1; + ext_irq_start = BCM_6368_EXT_IRQ0 - IRQ_INTERNAL_BASE; + ext_irq_end = BCM_6368_EXT_IRQ5 - IRQ_INTERNAL_BASE; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6368; + ext_irq_cfg_reg2 = PERF_EXTIRQ_CFG_REG2_6368; + break; default: BUG(); } @@ -406,7 +428,7 @@ static int bcm63xx_external_irq_set_type(struct irq_data *d, reg &= ~EXTIRQ_CFG_BOTHEDGE_6348(irq); } - if (BCMCPU_IS_6338() || BCMCPU_IS_6358()) { + if (BCMCPU_IS_6338() || BCMCPU_IS_6358() || BCMCPU_IS_6368()) { if (levelsense) reg |= EXTIRQ_CFG_LEVELSENSE(irq); else diff --git a/arch/mips/bcm63xx/prom.c b/arch/mips/bcm63xx/prom.c index be252efa0757..99d7f405cbeb 100644 --- a/arch/mips/bcm63xx/prom.c +++ b/arch/mips/bcm63xx/prom.c @@ -32,9 +32,12 @@ void __init prom_init(void) mask = CKCTL_6345_ALL_SAFE_EN; else if (BCMCPU_IS_6348()) mask = CKCTL_6348_ALL_SAFE_EN; - else - /* BCMCPU_IS_6358() */ + else if (BCMCPU_IS_6358()) mask = CKCTL_6358_ALL_SAFE_EN; + else if (BCMCPU_IS_6368()) + mask = CKCTL_6368_ALL_SAFE_EN; + else + mask = 0; reg = bcm_perf_readl(PERF_CKCTL_REG); reg &= ~mask; diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h index 46f03322e2ca..23403a32c158 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h @@ -13,6 +13,7 @@ #define BCM6345_CPU_ID 0x6345 #define BCM6348_CPU_ID 0x6348 #define BCM6358_CPU_ID 0x6358 +#define BCM6368_CPU_ID 0x6368 void __init bcm63xx_cpu_init(void); u16 __bcm63xx_get_cpu_id(void); @@ -71,6 +72,19 @@ unsigned int bcm63xx_get_cpu_freq(void); # define BCMCPU_IS_6358() (0) #endif +#ifdef CONFIG_BCM63XX_CPU_6368 +# ifdef bcm63xx_get_cpu_id +# undef bcm63xx_get_cpu_id +# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id() +# define BCMCPU_RUNTIME_DETECT +# else +# define bcm63xx_get_cpu_id() BCM6368_CPU_ID +# endif +# define BCMCPU_IS_6368() (bcm63xx_get_cpu_id() == BCM6368_CPU_ID) +#else +# define BCMCPU_IS_6368() (0) +#endif + #ifndef bcm63xx_get_cpu_id #error "No CPU support configured" #endif @@ -307,6 +321,47 @@ enum bcm63xx_regs_set { #define BCM_6358_PCMDMAS_BASE (0xfffe1a00) +/* + * 6368 register sets base address + */ +#define BCM_6368_DSL_LMEM_BASE (0xdeadbeef) +#define BCM_6368_PERF_BASE (0xb0000000) +#define BCM_6368_TIMER_BASE (0xb0000040) +#define BCM_6368_WDT_BASE (0xb000005c) +#define BCM_6368_UART0_BASE (0xb0000100) +#define BCM_6368_UART1_BASE (0xb0000120) +#define BCM_6368_GPIO_BASE (0xb0000080) +#define BCM_6368_SPI_BASE (0xdeadbeef) +#define BCM_6368_SPI2_BASE (0xb0000800) +#define BCM_6368_UDC0_BASE (0xdeadbeef) +#define BCM_6368_OHCI0_BASE (0xb0001600) +#define BCM_6368_OHCI_PRIV_BASE (0xdeadbeef) +#define BCM_6368_USBH_PRIV_BASE (0xb0001700) +#define BCM_6368_MPI_BASE (0xb0001000) +#define BCM_6368_PCMCIA_BASE (0xb0001054) +#define BCM_6368_SDRAM_REGS_BASE (0xdeadbeef) +#define BCM_6368_M2M_BASE (0xdeadbeef) +#define BCM_6368_DSL_BASE (0xdeadbeef) +#define BCM_6368_ENET0_BASE (0xdeadbeef) +#define BCM_6368_ENET1_BASE (0xdeadbeef) +#define BCM_6368_ENETDMA_BASE (0xb0006800) +#define BCM_6368_ENETDMAC_BASE (0xb0006a00) +#define BCM_6368_ENETDMAS_BASE (0xb0006c00) +#define BCM_6368_ENETSW_BASE (0xb0f00000) +#define BCM_6368_EHCI0_BASE (0xb0001500) +#define BCM_6368_SDRAM_BASE (0xdeadbeef) +#define BCM_6368_MEMC_BASE (0xb0001200) +#define BCM_6368_DDR_BASE (0xb0001280) +#define BCM_6368_ATM_BASE (0xdeadbeef) +#define BCM_6368_XTM_BASE (0xb0001800) +#define BCM_6368_XTMDMA_BASE (0xb0005000) +#define BCM_6368_XTMDMAC_BASE (0xb0005200) +#define BCM_6368_XTMDMAS_BASE (0xb0005400) +#define BCM_6368_PCM_BASE (0xb0004000) +#define BCM_6368_PCMDMA_BASE (0xb0005800) +#define BCM_6368_PCMDMAC_BASE (0xb0005a00) +#define BCM_6368_PCMDMAS_BASE (0xb0005c00) + extern const unsigned long *bcm63xx_regs_base; @@ -410,6 +465,9 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set) #ifdef CONFIG_BCM63XX_CPU_6358 __GEN_RSET(6358) #endif +#ifdef CONFIG_BCM63XX_CPU_6368 + __GEN_RSET(6368) +#endif #endif /* unreached */ return 0; @@ -574,6 +632,47 @@ enum bcm63xx_irq { #define BCM_6358_EXT_IRQ2 (IRQ_INTERNAL_BASE + 27) #define BCM_6358_EXT_IRQ3 (IRQ_INTERNAL_BASE + 28) +/* + * 6368 irqs + */ +#define BCM_6368_HIGH_IRQ_BASE (IRQ_INTERNAL_BASE + 32) + +#define BCM_6368_TIMER_IRQ (IRQ_INTERNAL_BASE + 0) +#define BCM_6368_UART0_IRQ (IRQ_INTERNAL_BASE + 2) +#define BCM_6368_UART1_IRQ (IRQ_INTERNAL_BASE + 3) +#define BCM_6368_DSL_IRQ (IRQ_INTERNAL_BASE + 4) +#define BCM_6368_ENET0_IRQ 0 +#define BCM_6368_ENET1_IRQ 0 +#define BCM_6368_ENET_PHY_IRQ (IRQ_INTERNAL_BASE + 15) +#define BCM_6368_OHCI0_IRQ (IRQ_INTERNAL_BASE + 5) +#define BCM_6368_EHCI0_IRQ (IRQ_INTERNAL_BASE + 7) +#define BCM_6368_PCMCIA_IRQ 0 +#define BCM_6368_ENET0_RXDMA_IRQ 0 +#define BCM_6368_ENET0_TXDMA_IRQ 0 +#define BCM_6368_ENET1_RXDMA_IRQ 0 +#define BCM_6368_ENET1_TXDMA_IRQ 0 +#define BCM_6368_PCI_IRQ (IRQ_INTERNAL_BASE + 13) +#define BCM_6368_ATM_IRQ 0 +#define BCM_6368_ENETSW_RXDMA0_IRQ (BCM_6368_HIGH_IRQ_BASE + 0) +#define BCM_6368_ENETSW_RXDMA1_IRQ (BCM_6368_HIGH_IRQ_BASE + 1) +#define BCM_6368_ENETSW_RXDMA2_IRQ (BCM_6368_HIGH_IRQ_BASE + 2) +#define BCM_6368_ENETSW_RXDMA3_IRQ (BCM_6368_HIGH_IRQ_BASE + 3) +#define BCM_6368_ENETSW_TXDMA0_IRQ (BCM_6368_HIGH_IRQ_BASE + 4) +#define BCM_6368_ENETSW_TXDMA1_IRQ (BCM_6368_HIGH_IRQ_BASE + 5) +#define BCM_6368_ENETSW_TXDMA2_IRQ (BCM_6368_HIGH_IRQ_BASE + 6) +#define BCM_6368_ENETSW_TXDMA3_IRQ (BCM_6368_HIGH_IRQ_BASE + 7) +#define BCM_6368_XTM_IRQ (IRQ_INTERNAL_BASE + 11) +#define BCM_6368_XTM_DMA0_IRQ (BCM_6368_HIGH_IRQ_BASE + 8) + +#define BCM_6368_PCM_DMA0_IRQ (BCM_6368_HIGH_IRQ_BASE + 30) +#define BCM_6368_PCM_DMA1_IRQ (BCM_6368_HIGH_IRQ_BASE + 31) +#define BCM_6368_EXT_IRQ0 (IRQ_INTERNAL_BASE + 20) +#define BCM_6368_EXT_IRQ1 (IRQ_INTERNAL_BASE + 21) +#define BCM_6368_EXT_IRQ2 (IRQ_INTERNAL_BASE + 22) +#define BCM_6368_EXT_IRQ3 (IRQ_INTERNAL_BASE + 23) +#define BCM_6368_EXT_IRQ4 (IRQ_INTERNAL_BASE + 24) +#define BCM_6368_EXT_IRQ5 (IRQ_INTERNAL_BASE + 25) + extern const int *bcm63xx_irqs; #define __GEN_CPU_IRQ_TABLE(__cpu) \ diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h index 3999ec0aa7f5..3d5de96d4036 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h @@ -14,6 +14,8 @@ static inline unsigned long bcm63xx_gpio_count(void) return 8; case BCM6345_CPU_ID: return 16; + case BCM6368_CPU_ID: + return 38; case BCM6348_CPU_ID: default: return 37; diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h index 2b3a2d6bdb03..50057507c4e7 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h @@ -83,6 +83,37 @@ CKCTL_6358_USBSU_EN | \ CKCTL_6358_EPHY_EN) +#define CKCTL_6368_VDSL_QPROC_EN (1 << 2) +#define CKCTL_6368_VDSL_AFE_EN (1 << 3) +#define CKCTL_6368_VDSL_BONDING_EN (1 << 4) +#define CKCTL_6368_VDSL_EN (1 << 5) +#define CKCTL_6368_PHYMIPS_EN (1 << 6) +#define CKCTL_6368_SWPKT_USB_EN (1 << 7) +#define CKCTL_6368_SWPKT_SAR_EN (1 << 8) +#define CKCTL_6368_SPI_CLK_EN (1 << 9) +#define CKCTL_6368_USBD_CLK_EN (1 << 10) +#define CKCTL_6368_SAR_CLK_EN (1 << 11) +#define CKCTL_6368_ROBOSW_CLK_EN (1 << 12) +#define CKCTL_6368_UTOPIA_CLK_EN (1 << 13) +#define CKCTL_6368_PCM_CLK_EN (1 << 14) +#define CKCTL_6368_USBH_CLK_EN (1 << 15) +#define CKCTL_6368_DISABLE_GLESS_EN (1 << 16) +#define CKCTL_6368_NAND_CLK_EN (1 << 17) +#define CKCTL_6368_IPSEC_CLK_EN (1 << 17) + +#define CKCTL_6368_ALL_SAFE_EN (CKCTL_6368_SWPKT_USB_EN | \ + CKCTL_6368_SWPKT_SAR_EN | \ + CKCTL_6368_SPI_CLK_EN | \ + CKCTL_6368_USBD_CLK_EN | \ + CKCTL_6368_SAR_CLK_EN | \ + CKCTL_6368_ROBOSW_CLK_EN | \ + CKCTL_6368_UTOPIA_CLK_EN | \ + CKCTL_6368_PCM_CLK_EN | \ + CKCTL_6368_USBH_CLK_EN | \ + CKCTL_6368_DISABLE_GLESS_EN | \ + CKCTL_6368_NAND_CLK_EN | \ + CKCTL_6368_IPSEC_CLK_EN) + /* System PLL Control register */ #define PERF_SYS_PLL_CTL_REG 0x8 #define SYS_PLL_SOFT_RESET 0x1 @@ -92,17 +123,22 @@ #define PERF_IRQMASK_6345_REG 0xc #define PERF_IRQMASK_6348_REG 0xc #define PERF_IRQMASK_6358_REG 0xc +#define PERF_IRQMASK_6368_REG 0x20 /* Interrupt Status register */ #define PERF_IRQSTAT_6338_REG 0x10 #define PERF_IRQSTAT_6345_REG 0x10 #define PERF_IRQSTAT_6348_REG 0x10 #define PERF_IRQSTAT_6358_REG 0x10 +#define PERF_IRQSTAT_6368_REG 0x28 /* External Interrupt Configuration register */ #define PERF_EXTIRQ_CFG_REG_6338 0x14 #define PERF_EXTIRQ_CFG_REG_6348 0x14 #define PERF_EXTIRQ_CFG_REG_6358 0x14 +#define PERF_EXTIRQ_CFG_REG_6368 0x18 + +#define PERF_EXTIRQ_CFG_REG2_6368 0x1c /* for 6348 only */ #define EXTIRQ_CFG_SENSE_6348(x) (1 << (x)) @@ -126,6 +162,7 @@ /* Soft Reset register */ #define PERF_SOFTRESET_REG 0x28 +#define PERF_SOFTRESET_6368_REG 0x10 #define SOFTRESET_6338_SPI_MASK (1 << 0) #define SOFTRESET_6338_ENET_MASK (1 << 2) @@ -166,6 +203,15 @@ SOFTRESET_6348_ACLC_MASK | \ SOFTRESET_6348_ADSLMIPSPLL_MASK) +#define SOFTRESET_6368_SPI_MASK (1 << 0) +#define SOFTRESET_6368_MPI_MASK (1 << 3) +#define SOFTRESET_6368_EPHY_MASK (1 << 6) +#define SOFTRESET_6368_SAR_MASK (1 << 7) +#define SOFTRESET_6368_ENETSW_MASK (1 << 10) +#define SOFTRESET_6368_USBS_MASK (1 << 11) +#define SOFTRESET_6368_USBH_MASK (1 << 12) +#define SOFTRESET_6368_PCM_MASK (1 << 13) + /* MIPS PLL control register */ #define PERF_MIPSPLLCTL_REG 0x34 #define MIPSPLLCTL_N1_SHIFT 20 @@ -421,6 +467,44 @@ #define GPIO_MODE_6358_SERIAL_LED (1 << 10) #define GPIO_MODE_6358_UTOPIA (1 << 12) +#define GPIO_MODE_6368_ANALOG_AFE_0 (1 << 0) +#define GPIO_MODE_6368_ANALOG_AFE_1 (1 << 1) +#define GPIO_MODE_6368_SYS_IRQ (1 << 2) +#define GPIO_MODE_6368_SERIAL_LED_DATA (1 << 3) +#define GPIO_MODE_6368_SERIAL_LED_CLK (1 << 4) +#define GPIO_MODE_6368_INET_LED (1 << 5) +#define GPIO_MODE_6368_EPHY0_LED (1 << 6) +#define GPIO_MODE_6368_EPHY1_LED (1 << 7) +#define GPIO_MODE_6368_EPHY2_LED (1 << 8) +#define GPIO_MODE_6368_EPHY3_LED (1 << 9) +#define GPIO_MODE_6368_ROBOSW_LED_DAT (1 << 10) +#define GPIO_MODE_6368_ROBOSW_LED_CLK (1 << 11) +#define GPIO_MODE_6368_ROBOSW_LED0 (1 << 12) +#define GPIO_MODE_6368_ROBOSW_LED1 (1 << 13) +#define GPIO_MODE_6368_USBD_LED (1 << 14) +#define GPIO_MODE_6368_NTR_PULSE (1 << 15) +#define GPIO_MODE_6368_PCI_REQ1 (1 << 16) +#define GPIO_MODE_6368_PCI_GNT1 (1 << 17) +#define GPIO_MODE_6368_PCI_INTB (1 << 18) +#define GPIO_MODE_6368_PCI_REQ0 (1 << 19) +#define GPIO_MODE_6368_PCI_GNT0 (1 << 20) +#define GPIO_MODE_6368_PCMCIA_CD1 (1 << 22) +#define GPIO_MODE_6368_PCMCIA_CD2 (1 << 23) +#define GPIO_MODE_6368_PCMCIA_VS1 (1 << 24) +#define GPIO_MODE_6368_PCMCIA_VS2 (1 << 25) +#define GPIO_MODE_6368_EBI_CS2 (1 << 26) +#define GPIO_MODE_6368_EBI_CS3 (1 << 27) +#define GPIO_MODE_6368_SPI_SSN2 (1 << 28) +#define GPIO_MODE_6368_SPI_SSN3 (1 << 29) +#define GPIO_MODE_6368_SPI_SSN4 (1 << 30) +#define GPIO_MODE_6368_SPI_SSN5 (1 << 31) + + +#define GPIO_BASEMODE_6368_REG 0x38 +#define GPIO_BASEMODE_6368_UART2 0x1 +#define GPIO_BASEMODE_6368_GPIO 0x0 +#define GPIO_BASEMODE_6368_MASK 0x7 +/* those bits must be kept as read in gpio basemode register*/ /************************************************************************* * _REG relative to RSET_ENET @@ -631,7 +715,9 @@ * _REG relative to RSET_USBH_PRIV *************************************************************************/ -#define USBH_PRIV_SWAP_REG 0x0 +#define USBH_PRIV_SWAP_6358_REG 0x0 +#define USBH_PRIV_SWAP_6368_REG 0x1c + #define USBH_PRIV_SWAP_EHCI_ENDN_SHIFT 4 #define USBH_PRIV_SWAP_EHCI_ENDN_MASK (1 << USBH_PRIV_SWAP_EHCI_ENDN_SHIFT) #define USBH_PRIV_SWAP_EHCI_DATA_SHIFT 3 @@ -641,7 +727,13 @@ #define USBH_PRIV_SWAP_OHCI_DATA_SHIFT 0 #define USBH_PRIV_SWAP_OHCI_DATA_MASK (1 << USBH_PRIV_SWAP_OHCI_DATA_SHIFT) -#define USBH_PRIV_TEST_REG 0x24 +#define USBH_PRIV_TEST_6358_REG 0x24 +#define USBH_PRIV_TEST_6368_REG 0x14 + +#define USBH_PRIV_SETUP_6368_REG 0x28 +#define USBH_PRIV_SETUP_IOC_SHIFT 4 +#define USBH_PRIV_SETUP_IOC_MASK (1 << USBH_PRIV_SETUP_IOC_SHIFT) + /************************************************************************* @@ -837,6 +929,19 @@ #define DMIPSPLLCFG_N2_SHIFT 29 #define DMIPSPLLCFG_N2_MASK (0x7 << DMIPSPLLCFG_N2_SHIFT) +#define DDR_DMIPSPLLCFG_6368_REG 0x20 +#define DMIPSPLLCFG_6368_P1_SHIFT 0 +#define DMIPSPLLCFG_6368_P1_MASK (0xf << DMIPSPLLCFG_6368_P1_SHIFT) +#define DMIPSPLLCFG_6368_P2_SHIFT 4 +#define DMIPSPLLCFG_6368_P2_MASK (0xf << DMIPSPLLCFG_6368_P2_SHIFT) +#define DMIPSPLLCFG_6368_NDIV_SHIFT 16 +#define DMIPSPLLCFG_6368_NDIV_MASK (0x1ff << DMIPSPLLCFG_6368_NDIV_SHIFT) + +#define DDR_DMIPSPLLDIV_6368_REG 0x24 +#define DMIPSPLLDIV_6368_MDIV_SHIFT 0 +#define DMIPSPLLDIV_6368_MDIV_MASK (0xff << DMIPSPLLDIV_6368_MDIV_SHIFT) + + /************************************************************************* * _REG relative to RSET_M2M *************************************************************************/ diff --git a/arch/mips/include/asm/mach-bcm63xx/ioremap.h b/arch/mips/include/asm/mach-bcm63xx/ioremap.h index e3fe04dc50bd..ef94ba73646e 100644 --- a/arch/mips/include/asm/mach-bcm63xx/ioremap.h +++ b/arch/mips/include/asm/mach-bcm63xx/ioremap.h @@ -18,6 +18,10 @@ static inline int is_bcm63xx_internal_registers(phys_t offset) if (offset >= 0xfff00000) return 1; break; + case BCM6368_CPU_ID: + if (offset >= 0xb0000000 && offset < 0xb1000000) + return 1; + break; } return 0; } diff --git a/arch/mips/pci/pci-bcm63xx.c b/arch/mips/pci/pci-bcm63xx.c index 82e0fde1dba0..39eb7c417e2f 100644 --- a/arch/mips/pci/pci-bcm63xx.c +++ b/arch/mips/pci/pci-bcm63xx.c @@ -99,7 +99,7 @@ static int __init bcm63xx_pci_init(void) unsigned int mem_size; u32 val; - if (!BCMCPU_IS_6348() && !BCMCPU_IS_6358()) + if (!BCMCPU_IS_6348() && !BCMCPU_IS_6358() && !BCMCPU_IS_6368()) return -ENODEV; if (!bcm63xx_pci_enabled) @@ -159,7 +159,7 @@ static int __init bcm63xx_pci_init(void) /* setup PCI to local bus access, used by PCI device to target * local RAM while bus mastering */ bcm63xx_int_cfg_writel(0, PCI_BASE_ADDRESS_3); - if (BCMCPU_IS_6358()) + if (BCMCPU_IS_6358() || BCMCPU_IS_6368()) val = MPI_SP0_REMAP_ENABLE_MASK; else val = 0; -- cgit v1.2.3