From 2b6403722bad259bb23312437359a1849a0e0d12 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Sat, 12 Jul 2014 12:31:47 +0000 Subject: brcm63xx: update irq affinity code to latest version Reduces code size a bit and sets affinity to boot cpu by default. Signed-off-by: Jonas Gorski SVN-Revision: 41591 --- ...-BCM63XX-add-width-to-__dispatch_internal.patch | 41 +++++ ...X-rename-__dispatch_internal-to-__dispatc.patch | 42 ----- ...9-MIPS-BCM63XX-move-bcm63xx_init_irq-down.patch | 6 +- ...X-replace-irq-dispatch-code-with-a-generi.patch | 31 ++-- ...X-append-irq-line-number-to-irq_-stat-mas.patch | 183 --------------------- ...BCM63XX-append-irq-line-to-irq_-stat-mask.patch | 182 ++++++++++++++++++++ ...X-populate-irq_-stat-mask-_addr-for-secon.patch | 8 +- ...3XX-add-cpu-argument-to-dispatch-internal.patch | 70 ++++++++ ...3XX-add-pin-argument-to-dispatch-internal.patch | 70 -------- ...IPS-BCM63XX-protect-irq-register-accesses.patch | 22 ++- ...BCM63XX-wire-up-the-second-cpu-s-irq-line.patch | 11 +- ...63XX-use-irq_desc-as-argument-for-un-mask.patch | 10 +- ...S-BCM63XX-allow-setting-affinity-for-IPIC.patch | 23 ++- ...-BCM63XX-add-width-to-__dispatch_internal.patch | 41 +++++ ...X-rename-__dispatch_internal-to-__dispatc.patch | 42 ----- ...9-MIPS-BCM63XX-move-bcm63xx_init_irq-down.patch | 6 +- ...X-replace-irq-dispatch-code-with-a-generi.patch | 31 ++-- ...X-append-irq-line-number-to-irq_-stat-mas.patch | 183 --------------------- ...BCM63XX-append-irq-line-to-irq_-stat-mask.patch | 182 ++++++++++++++++++++ ...X-populate-irq_-stat-mask-_addr-for-secon.patch | 8 +- ...3XX-add-cpu-argument-to-dispatch-internal.patch | 70 ++++++++ ...3XX-add-pin-argument-to-dispatch-internal.patch | 70 -------- ...IPS-BCM63XX-protect-irq-register-accesses.patch | 22 ++- ...BCM63XX-wire-up-the-second-cpu-s-irq-line.patch | 11 +- ...63XX-use-irq_desc-as-argument-for-un-mask.patch | 10 +- ...S-BCM63XX-allow-setting-affinity-for-IPIC.patch | 23 ++- 26 files changed, 720 insertions(+), 678 deletions(-) create mode 100644 target/linux/brcm63xx/patches-3.10/318-MIPS-BCM63XX-add-width-to-__dispatch_internal.patch delete mode 100644 target/linux/brcm63xx/patches-3.10/318-MIPS-BCM63XX-rename-__dispatch_internal-to-__dispatc.patch delete mode 100644 target/linux/brcm63xx/patches-3.10/321-MIPS-BCM63XX-append-irq-line-number-to-irq_-stat-mas.patch create mode 100644 target/linux/brcm63xx/patches-3.10/321-MIPS-BCM63XX-append-irq-line-to-irq_-stat-mask.patch create mode 100644 target/linux/brcm63xx/patches-3.10/323-MIPS-BCM63XX-add-cpu-argument-to-dispatch-internal.patch delete mode 100644 target/linux/brcm63xx/patches-3.10/323-MIPS-BCM63XX-add-pin-argument-to-dispatch-internal.patch create mode 100644 target/linux/brcm63xx/patches-3.14/318-MIPS-BCM63XX-add-width-to-__dispatch_internal.patch delete mode 100644 target/linux/brcm63xx/patches-3.14/318-MIPS-BCM63XX-rename-__dispatch_internal-to-__dispatc.patch delete mode 100644 target/linux/brcm63xx/patches-3.14/321-MIPS-BCM63XX-append-irq-line-number-to-irq_-stat-mas.patch create mode 100644 target/linux/brcm63xx/patches-3.14/321-MIPS-BCM63XX-append-irq-line-to-irq_-stat-mask.patch create mode 100644 target/linux/brcm63xx/patches-3.14/323-MIPS-BCM63XX-add-cpu-argument-to-dispatch-internal.patch delete mode 100644 target/linux/brcm63xx/patches-3.14/323-MIPS-BCM63XX-add-pin-argument-to-dispatch-internal.patch (limited to 'target/linux/brcm63xx') diff --git a/target/linux/brcm63xx/patches-3.10/318-MIPS-BCM63XX-add-width-to-__dispatch_internal.patch b/target/linux/brcm63xx/patches-3.10/318-MIPS-BCM63XX-add-width-to-__dispatch_internal.patch new file mode 100644 index 0000000..dc8f8b3 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/318-MIPS-BCM63XX-add-width-to-__dispatch_internal.patch @@ -0,0 +1,41 @@ +From a2015bfad293a7eb79519beb60381cb996c6e298 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Thu, 21 Mar 2013 17:05:15 +0100 +Subject: [PATCH 01/10] MIPS: BCM63XX: add width to __dispatch_internal + +Make it follow the same naming convention as the other functions. + +Signed-off-by: Jonas Gorski +--- + arch/mips/bcm63xx/irq.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +--- a/arch/mips/bcm63xx/irq.c ++++ b/arch/mips/bcm63xx/irq.c +@@ -19,7 +19,7 @@ + #include + #include + +-static void __dispatch_internal(void) __maybe_unused; ++static void __dispatch_internal_32(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; +@@ -117,7 +117,7 @@ static void bcm63xx_init_irq(void) + } + + if (irq_bits == 32) { +- dispatch_internal = __dispatch_internal; ++ dispatch_internal = __dispatch_internal_32; + internal_irq_mask = __internal_irq_mask_32; + internal_irq_unmask = __internal_irq_unmask_32; + } else { +@@ -149,7 +149,7 @@ static inline void handle_internal(int i + * will resume the loop where it ended the last time we left this + * function. + */ +-static void __dispatch_internal(void) ++static void __dispatch_internal_32(void) + { + u32 pending; + static int i; diff --git a/target/linux/brcm63xx/patches-3.10/318-MIPS-BCM63XX-rename-__dispatch_internal-to-__dispatc.patch b/target/linux/brcm63xx/patches-3.10/318-MIPS-BCM63XX-rename-__dispatch_internal-to-__dispatc.patch deleted file mode 100644 index f4d98c3..0000000 --- a/target/linux/brcm63xx/patches-3.10/318-MIPS-BCM63XX-rename-__dispatch_internal-to-__dispatc.patch +++ /dev/null @@ -1,42 +0,0 @@ -From 653dcc09407a695efb203337c6f72515d4c4ee43 Mon Sep 17 00:00:00 2001 -From: Jonas Gorski -Date: Thu, 21 Mar 2013 17:05:15 +0100 -Subject: [PATCH 29/53] MIPS: BCM63XX: rename __dispatch_internal to - __dispatch_internal_32 - -Make it follow the same naming convention as the other functions. - -Signed-off-by: Jonas Gorski ---- - arch/mips/bcm63xx/irq.c | 6 +++--- - 1 file changed, 3 insertions(+), 3 deletions(-) - ---- a/arch/mips/bcm63xx/irq.c -+++ b/arch/mips/bcm63xx/irq.c -@@ -19,7 +19,7 @@ - #include - #include - --static void __dispatch_internal(void) __maybe_unused; -+static void __dispatch_internal_32(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; -@@ -117,7 +117,7 @@ static void bcm63xx_init_irq(void) - } - - if (irq_bits == 32) { -- dispatch_internal = __dispatch_internal; -+ dispatch_internal = __dispatch_internal_32; - internal_irq_mask = __internal_irq_mask_32; - internal_irq_unmask = __internal_irq_unmask_32; - } else { -@@ -149,7 +149,7 @@ static inline void handle_internal(int i - * will resume the loop where it ended the last time we left this - * function. - */ --static void __dispatch_internal(void) -+static void __dispatch_internal_32(void) - { - u32 pending; - static int i; diff --git a/target/linux/brcm63xx/patches-3.10/319-MIPS-BCM63XX-move-bcm63xx_init_irq-down.patch b/target/linux/brcm63xx/patches-3.10/319-MIPS-BCM63XX-move-bcm63xx_init_irq-down.patch index fb57939..c9dc4ce 100644 --- a/target/linux/brcm63xx/patches-3.10/319-MIPS-BCM63XX-move-bcm63xx_init_irq-down.patch +++ b/target/linux/brcm63xx/patches-3.10/319-MIPS-BCM63XX-move-bcm63xx_init_irq-down.patch @@ -1,9 +1,11 @@ -From c28c639b031385ecf965eecf3bfb532e88044c89 Mon Sep 17 00:00:00 2001 +From 6e79c6dd02aa56e37eb071797f0eb5e3fb588cba Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Sun, 15 Dec 2013 20:52:53 +0100 -Subject: [PATCH 30/53] MIPS: BCM63XX: move bcm63xx_init_irq down +Subject: [PATCH 02/10] MIPS: BCM63XX: move bcm63xx_init_irq down Allows up to drop the prototypes from the top. + +Signed-off-by: Jonas Gorski --- arch/mips/bcm63xx/irq.c | 190 +++++++++++++++++++++++------------------------- 1 file changed, 92 insertions(+), 98 deletions(-) diff --git a/target/linux/brcm63xx/patches-3.10/320-MIPS-BCM63XX-replace-irq-dispatch-code-with-a-generi.patch b/target/linux/brcm63xx/patches-3.10/320-MIPS-BCM63XX-replace-irq-dispatch-code-with-a-generi.patch index f0311ce..021d0d9 100644 --- a/target/linux/brcm63xx/patches-3.10/320-MIPS-BCM63XX-replace-irq-dispatch-code-with-a-generi.patch +++ b/target/linux/brcm63xx/patches-3.10/320-MIPS-BCM63XX-replace-irq-dispatch-code-with-a-generi.patch @@ -1,15 +1,22 @@ -From 01bf26c51b427e24ac69f604d33f7d9360a9e470 Mon Sep 17 00:00:00 2001 +From 39b46ed1c9fe71890566e129d9ac5feb8421b3b4 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Thu, 18 Apr 2013 21:14:49 +0200 -Subject: [PATCH 31/53] MIPS: BCM63XX: replace irq dispatch code with a generic +Subject: [PATCH 03/10] MIPS: BCM63XX: replace irq dispatch code with a generic version -The generic version uses a variable length of u32 registers of u32/u64. -This allows easier support for longer registers without having to rewrite -verything. +The generic version uses a variable length of u32 registers instead of u32/u64. +This allows easier support for "wider" registers without having to rewrite +everything. -This "generic" version is not slower than the old version in the best case -(= i == next set bit), and twice as fast in the worst case in 64 bits. +This "generic" version is as fast as the old version in the best case +(i == next set bit), and twice as fast in the worst case in 64 bits. + +Using a macro was chosen over a (forced) inline version because gcc generated +more compact code with the macro. + +The change from (signed) int to unsigned int for i and to_call was intentional +as the value can be only between 0 and (width - 1) anyway, and allowed gcc to +optimise the code a bit further. Signed-off-by: Jonas Gorski --- @@ -47,7 +54,7 @@ Signed-off-by: Jonas Gorski + u32 pending[width / 32]; \ + unsigned int src, tgt; \ + bool irqs_pending = false; \ -+ static int i; \ ++ static unsigned int i; \ + \ + /* read registers in reverse order */ \ + for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ @@ -65,7 +72,7 @@ Signed-off-by: Jonas Gorski + return; \ + \ + while (1) { \ -+ int to_call = i; \ ++ unsigned int to_call = i; \ + \ + i = (i + 1) & (width - 1); \ + if (pending[to_call / 32] & (1 << (to_call & 0x1f))) { \ @@ -87,13 +94,13 @@ Signed-off-by: Jonas Gorski +} \ + \ +static void __internal_irq_unmask_##width(unsigned int irq) \ -+{ \ ++{ \ + u32 val; \ + unsigned reg = (irq / 32) ^ (width/32 - 1); \ -+ unsigned bit = irq & 0x1f; \ ++ unsigned bit = irq & 0x1f; \ + \ + val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ -+ val |= (1 << bit); \ ++ val |= (1 << bit); \ + bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ } diff --git a/target/linux/brcm63xx/patches-3.10/321-MIPS-BCM63XX-append-irq-line-number-to-irq_-stat-mas.patch b/target/linux/brcm63xx/patches-3.10/321-MIPS-BCM63XX-append-irq-line-number-to-irq_-stat-mas.patch deleted file mode 100644 index e53f230..0000000 --- a/target/linux/brcm63xx/patches-3.10/321-MIPS-BCM63XX-append-irq-line-number-to-irq_-stat-mas.patch +++ /dev/null @@ -1,183 +0,0 @@ -From 1003fb4a5ee9fcff518f20eefdee1a9bf500af7e Mon Sep 17 00:00:00 2001 -From: Jonas Gorski -Date: Thu, 25 Apr 2013 00:24:06 +0200 -Subject: [PATCH 32/53] MIPS: BCM63XX: append irq line number to - irq_{stat,mask}* - -The SMP capable irq controllers have two interupt output pins which are -controlled through separate registers, so make the variables arrays. - -Signed-off-by: Jonas Gorski ---- - arch/mips/bcm63xx/irq.c | 51 ++++++++++++----------- - arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 16 +++---- - 2 files changed, 34 insertions(+), 33 deletions(-) - ---- a/arch/mips/bcm63xx/irq.c -+++ b/arch/mips/bcm63xx/irq.c -@@ -19,7 +19,8 @@ - #include - #include - --static u32 irq_stat_addr, irq_mask_addr; -+static u32 irq_stat_addr[2]; -+static u32 irq_mask_addr[2]; - static void (*dispatch_internal)(void); - static int is_ext_irq_cascaded; - static unsigned int ext_irq_count; -@@ -64,8 +65,8 @@ void __dispatch_internal_##width(void) - for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ - u32 val; \ - \ -- val = bcm_readl(irq_stat_addr + src * sizeof(u32)); \ -- val &= bcm_readl(irq_mask_addr + src * sizeof(u32)); \ -+ val = bcm_readl(irq_stat_addr[0] + src * sizeof(u32)); \ -+ val &= bcm_readl(irq_mask_addr[0] + src * sizeof(u32)); \ - pending[--tgt] = val; \ - \ - if (val) \ -@@ -92,9 +93,9 @@ static void __internal_irq_mask_##width( - unsigned reg = (irq / 32) ^ (width/32 - 1); \ - unsigned bit = irq & 0x1f; \ - \ -- val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ -+ val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32)); \ - val &= ~(1 << bit); \ -- bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ -+ bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32)); \ - } \ - \ - static void __internal_irq_unmask_##width(unsigned int irq) \ -@@ -103,9 +104,9 @@ static void __internal_irq_unmask_##widt - unsigned reg = (irq / 32) ^ (width/32 - 1); \ - unsigned bit = irq & 0x1f; \ - \ -- val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ -+ val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32)); \ - val |= (1 << bit); \ -- bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ -+ bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32)); \ - } - - BUILD_IPIC_INTERNAL(32); -@@ -339,20 +340,20 @@ 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); -+ irq_stat_addr[0] = bcm63xx_regset_address(RSET_PERF); -+ irq_mask_addr[0] = bcm63xx_regset_address(RSET_PERF); - - switch (bcm63xx_get_cpu_id()) { - case BCM3368_CPU_ID: -- irq_stat_addr += PERF_IRQSTAT_3368_REG; -- irq_mask_addr += PERF_IRQMASK_3368_REG; -+ irq_stat_addr[0] += PERF_IRQSTAT_3368_REG; -+ irq_mask_addr[0] += PERF_IRQMASK_3368_REG; - irq_bits = 32; - ext_irq_count = 4; - ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_3368; - break; - case BCM6328_CPU_ID: -- irq_stat_addr += PERF_IRQSTAT_6328_REG; -- irq_mask_addr += PERF_IRQMASK_6328_REG; -+ irq_stat_addr[0] += PERF_IRQSTAT_6328_REG(0); -+ irq_mask_addr[0] += PERF_IRQMASK_6328_REG(0); - irq_bits = 64; - ext_irq_count = 4; - is_ext_irq_cascaded = 1; -@@ -361,29 +362,29 @@ static void bcm63xx_init_irq(void) - ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6328; - break; - case BCM6338_CPU_ID: -- irq_stat_addr += PERF_IRQSTAT_6338_REG; -- irq_mask_addr += PERF_IRQMASK_6338_REG; -+ irq_stat_addr[0] += PERF_IRQSTAT_6338_REG; -+ irq_mask_addr[0] += PERF_IRQMASK_6338_REG; - irq_bits = 32; - ext_irq_count = 4; - ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6338; - break; - case BCM6345_CPU_ID: -- irq_stat_addr += PERF_IRQSTAT_6345_REG; -- irq_mask_addr += PERF_IRQMASK_6345_REG; -+ irq_stat_addr[0] += PERF_IRQSTAT_6345_REG; -+ irq_mask_addr[0] += PERF_IRQMASK_6345_REG; - irq_bits = 32; - ext_irq_count = 4; - ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6345; - break; - case BCM6348_CPU_ID: -- irq_stat_addr += PERF_IRQSTAT_6348_REG; -- irq_mask_addr += PERF_IRQMASK_6348_REG; -+ irq_stat_addr[0] += PERF_IRQSTAT_6348_REG; -+ irq_mask_addr[0] += 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_stat_addr[0] += PERF_IRQSTAT_6358_REG(0); -+ irq_mask_addr[0] += PERF_IRQMASK_6358_REG(0); - irq_bits = 32; - ext_irq_count = 4; - is_ext_irq_cascaded = 1; -@@ -392,8 +393,8 @@ static void bcm63xx_init_irq(void) - ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6358; - break; - case BCM6362_CPU_ID: -- irq_stat_addr += PERF_IRQSTAT_6362_REG; -- irq_mask_addr += PERF_IRQMASK_6362_REG; -+ irq_stat_addr[0] += PERF_IRQSTAT_6362_REG(0); -+ irq_mask_addr[0] += PERF_IRQMASK_6362_REG(0); - irq_bits = 64; - ext_irq_count = 4; - is_ext_irq_cascaded = 1; -@@ -402,8 +403,8 @@ static void bcm63xx_init_irq(void) - ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6362; - break; - case BCM6368_CPU_ID: -- irq_stat_addr += PERF_IRQSTAT_6368_REG; -- irq_mask_addr += PERF_IRQMASK_6368_REG; -+ irq_stat_addr[0] += PERF_IRQSTAT_6368_REG(0); -+ irq_mask_addr[0] += PERF_IRQMASK_6368_REG(0); - irq_bits = 64; - ext_irq_count = 6; - is_ext_irq_cascaded = 1; ---- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h -+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h -@@ -215,23 +215,23 @@ - - /* Interrupt Mask register */ - #define PERF_IRQMASK_3368_REG 0xc --#define PERF_IRQMASK_6328_REG 0x20 -+#define PERF_IRQMASK_6328_REG(x) (0x20 + (x) * 0x10) - #define PERF_IRQMASK_6338_REG 0xc - #define PERF_IRQMASK_6345_REG 0xc - #define PERF_IRQMASK_6348_REG 0xc --#define PERF_IRQMASK_6358_REG 0xc --#define PERF_IRQMASK_6362_REG 0x20 --#define PERF_IRQMASK_6368_REG 0x20 -+#define PERF_IRQMASK_6358_REG(x) (0xc + (x) * 0x2c) -+#define PERF_IRQMASK_6362_REG(x) (0x20 + (x) * 0x10) -+#define PERF_IRQMASK_6368_REG(x) (0x20 + (x) * 0x10) - - /* Interrupt Status register */ - #define PERF_IRQSTAT_3368_REG 0x10 --#define PERF_IRQSTAT_6328_REG 0x28 -+#define PERF_IRQSTAT_6328_REG(x) (0x28 + (x) * 0x10) - #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_6362_REG 0x28 --#define PERF_IRQSTAT_6368_REG 0x28 -+#define PERF_IRQSTAT_6358_REG(x) (0x10 + (x) * 0x2c) -+#define PERF_IRQSTAT_6362_REG(x) (0x28 + (x) * 0x10) -+#define PERF_IRQSTAT_6368_REG(x) (0x28 + (x) * 0x10) - - /* External Interrupt Configuration register */ - #define PERF_EXTIRQ_CFG_REG_3368 0x14 diff --git a/target/linux/brcm63xx/patches-3.10/321-MIPS-BCM63XX-append-irq-line-to-irq_-stat-mask.patch b/target/linux/brcm63xx/patches-3.10/321-MIPS-BCM63XX-append-irq-line-to-irq_-stat-mask.patch new file mode 100644 index 0000000..5b63488 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/321-MIPS-BCM63XX-append-irq-line-to-irq_-stat-mask.patch @@ -0,0 +1,182 @@ +From 96ce0a9d195b2781d6f8d919dea8056b1c409703 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Thu, 25 Apr 2013 00:24:06 +0200 +Subject: [PATCH 04/10] MIPS: BCM63XX: append irq line to irq_{stat,mask}* + +The SMP capable irq controllers have two interrupt output pins which are +controlled through separate registers, so make the variables arrays. + +Signed-off-by: Jonas Gorski +--- + arch/mips/bcm63xx/irq.c | 51 ++++++++++++----------- + arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 16 +++---- + 2 files changed, 34 insertions(+), 33 deletions(-) + +--- a/arch/mips/bcm63xx/irq.c ++++ b/arch/mips/bcm63xx/irq.c +@@ -19,7 +19,8 @@ + #include + #include + +-static u32 irq_stat_addr, irq_mask_addr; ++static u32 irq_stat_addr[2]; ++static u32 irq_mask_addr[2]; + static void (*dispatch_internal)(void); + static int is_ext_irq_cascaded; + static unsigned int ext_irq_count; +@@ -64,8 +65,8 @@ void __dispatch_internal_##width(void) + for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ + u32 val; \ + \ +- val = bcm_readl(irq_stat_addr + src * sizeof(u32)); \ +- val &= bcm_readl(irq_mask_addr + src * sizeof(u32)); \ ++ val = bcm_readl(irq_stat_addr[0] + src * sizeof(u32)); \ ++ val &= bcm_readl(irq_mask_addr[0] + src * sizeof(u32)); \ + pending[--tgt] = val; \ + \ + if (val) \ +@@ -92,9 +93,9 @@ static void __internal_irq_mask_##width( + unsigned reg = (irq / 32) ^ (width/32 - 1); \ + unsigned bit = irq & 0x1f; \ + \ +- val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ ++ val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32)); \ + val &= ~(1 << bit); \ +- bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ ++ bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32)); \ + } \ + \ + static void __internal_irq_unmask_##width(unsigned int irq) \ +@@ -103,9 +104,9 @@ static void __internal_irq_unmask_##widt + unsigned reg = (irq / 32) ^ (width/32 - 1); \ + unsigned bit = irq & 0x1f; \ + \ +- val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ ++ val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32)); \ + val |= (1 << bit); \ +- bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ ++ bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32)); \ + } + + BUILD_IPIC_INTERNAL(32); +@@ -339,20 +340,20 @@ 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); ++ irq_stat_addr[0] = bcm63xx_regset_address(RSET_PERF); ++ irq_mask_addr[0] = bcm63xx_regset_address(RSET_PERF); + + switch (bcm63xx_get_cpu_id()) { + case BCM3368_CPU_ID: +- irq_stat_addr += PERF_IRQSTAT_3368_REG; +- irq_mask_addr += PERF_IRQMASK_3368_REG; ++ irq_stat_addr[0] += PERF_IRQSTAT_3368_REG; ++ irq_mask_addr[0] += PERF_IRQMASK_3368_REG; + irq_bits = 32; + ext_irq_count = 4; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_3368; + break; + case BCM6328_CPU_ID: +- irq_stat_addr += PERF_IRQSTAT_6328_REG; +- irq_mask_addr += PERF_IRQMASK_6328_REG; ++ irq_stat_addr[0] += PERF_IRQSTAT_6328_REG(0); ++ irq_mask_addr[0] += PERF_IRQMASK_6328_REG(0); + irq_bits = 64; + ext_irq_count = 4; + is_ext_irq_cascaded = 1; +@@ -361,29 +362,29 @@ static void bcm63xx_init_irq(void) + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6328; + break; + case BCM6338_CPU_ID: +- irq_stat_addr += PERF_IRQSTAT_6338_REG; +- irq_mask_addr += PERF_IRQMASK_6338_REG; ++ irq_stat_addr[0] += PERF_IRQSTAT_6338_REG; ++ irq_mask_addr[0] += PERF_IRQMASK_6338_REG; + irq_bits = 32; + ext_irq_count = 4; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6338; + break; + case BCM6345_CPU_ID: +- irq_stat_addr += PERF_IRQSTAT_6345_REG; +- irq_mask_addr += PERF_IRQMASK_6345_REG; ++ irq_stat_addr[0] += PERF_IRQSTAT_6345_REG; ++ irq_mask_addr[0] += PERF_IRQMASK_6345_REG; + irq_bits = 32; + ext_irq_count = 4; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6345; + break; + case BCM6348_CPU_ID: +- irq_stat_addr += PERF_IRQSTAT_6348_REG; +- irq_mask_addr += PERF_IRQMASK_6348_REG; ++ irq_stat_addr[0] += PERF_IRQSTAT_6348_REG; ++ irq_mask_addr[0] += 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_stat_addr[0] += PERF_IRQSTAT_6358_REG(0); ++ irq_mask_addr[0] += PERF_IRQMASK_6358_REG(0); + irq_bits = 32; + ext_irq_count = 4; + is_ext_irq_cascaded = 1; +@@ -392,8 +393,8 @@ static void bcm63xx_init_irq(void) + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6358; + break; + case BCM6362_CPU_ID: +- irq_stat_addr += PERF_IRQSTAT_6362_REG; +- irq_mask_addr += PERF_IRQMASK_6362_REG; ++ irq_stat_addr[0] += PERF_IRQSTAT_6362_REG(0); ++ irq_mask_addr[0] += PERF_IRQMASK_6362_REG(0); + irq_bits = 64; + ext_irq_count = 4; + is_ext_irq_cascaded = 1; +@@ -402,8 +403,8 @@ static void bcm63xx_init_irq(void) + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6362; + break; + case BCM6368_CPU_ID: +- irq_stat_addr += PERF_IRQSTAT_6368_REG; +- irq_mask_addr += PERF_IRQMASK_6368_REG; ++ irq_stat_addr[0] += PERF_IRQSTAT_6368_REG(0); ++ irq_mask_addr[0] += PERF_IRQMASK_6368_REG(0); + irq_bits = 64; + ext_irq_count = 6; + is_ext_irq_cascaded = 1; +--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h ++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h +@@ -215,23 +215,23 @@ + + /* Interrupt Mask register */ + #define PERF_IRQMASK_3368_REG 0xc +-#define PERF_IRQMASK_6328_REG 0x20 ++#define PERF_IRQMASK_6328_REG(x) (0x20 + (x) * 0x10) + #define PERF_IRQMASK_6338_REG 0xc + #define PERF_IRQMASK_6345_REG 0xc + #define PERF_IRQMASK_6348_REG 0xc +-#define PERF_IRQMASK_6358_REG 0xc +-#define PERF_IRQMASK_6362_REG 0x20 +-#define PERF_IRQMASK_6368_REG 0x20 ++#define PERF_IRQMASK_6358_REG(x) (0xc + (x) * 0x2c) ++#define PERF_IRQMASK_6362_REG(x) (0x20 + (x) * 0x10) ++#define PERF_IRQMASK_6368_REG(x) (0x20 + (x) * 0x10) + + /* Interrupt Status register */ + #define PERF_IRQSTAT_3368_REG 0x10 +-#define PERF_IRQSTAT_6328_REG 0x28 ++#define PERF_IRQSTAT_6328_REG(x) (0x28 + (x) * 0x10) + #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_6362_REG 0x28 +-#define PERF_IRQSTAT_6368_REG 0x28 ++#define PERF_IRQSTAT_6358_REG(x) (0x10 + (x) * 0x2c) ++#define PERF_IRQSTAT_6362_REG(x) (0x28 + (x) * 0x10) ++#define PERF_IRQSTAT_6368_REG(x) (0x28 + (x) * 0x10) + + /* External Interrupt Configuration register */ + #define PERF_EXTIRQ_CFG_REG_3368 0x14 diff --git a/target/linux/brcm63xx/patches-3.10/322-MIPS-BCM63XX-populate-irq_-stat-mask-_addr-for-secon.patch b/target/linux/brcm63xx/patches-3.10/322-MIPS-BCM63XX-populate-irq_-stat-mask-_addr-for-secon.patch index a21137f..5f94583 100644 --- a/target/linux/brcm63xx/patches-3.10/322-MIPS-BCM63XX-populate-irq_-stat-mask-_addr-for-secon.patch +++ b/target/linux/brcm63xx/patches-3.10/322-MIPS-BCM63XX-populate-irq_-stat-mask-_addr-for-secon.patch @@ -1,8 +1,10 @@ -From 842f213228e6fc9fd6cca01ab5128623112aa7a9 Mon Sep 17 00:00:00 2001 +From ff61c72a7a260ab4c4abbddb72c3cd2aea5e0687 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Thu, 25 Apr 2013 00:31:29 +0200 -Subject: [PATCH 33/53] MIPS: BCM63XX: populate irq_{stat,mask}_addr for second - pin +Subject: [PATCH 05/10] MIPS: BCM63XX: populate irq_{stat,mask}_addr for second + cpu + +Set it to zero if there is no second set. Signed-off-by: Jonas Gorski --- diff --git a/target/linux/brcm63xx/patches-3.10/323-MIPS-BCM63XX-add-cpu-argument-to-dispatch-internal.patch b/target/linux/brcm63xx/patches-3.10/323-MIPS-BCM63XX-add-cpu-argument-to-dispatch-internal.patch new file mode 100644 index 0000000..395dc13 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.10/323-MIPS-BCM63XX-add-cpu-argument-to-dispatch-internal.patch @@ -0,0 +1,70 @@ +From 43ebef8162adfa7789cb915e60e46103965d7efd Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Fri, 26 Apr 2013 11:21:16 +0200 +Subject: [PATCH 06/10] MIPS: BCM63XX: add cpu argument to dispatch internal + +Signed-off-by: Jonas Gorski +--- + arch/mips/bcm63xx/irq.c | 18 ++++++++++-------- + 1 file changed, 10 insertions(+), 8 deletions(-) + +--- a/arch/mips/bcm63xx/irq.c ++++ b/arch/mips/bcm63xx/irq.c +@@ -19,9 +19,10 @@ + #include + #include + ++ + static u32 irq_stat_addr[2]; + static u32 irq_mask_addr[2]; +-static void (*dispatch_internal)(void); ++static void (*dispatch_internal)(int cpu); + static int is_ext_irq_cascaded; + static unsigned int ext_irq_count; + static unsigned int ext_irq_start, ext_irq_end; +@@ -54,19 +55,20 @@ static inline void handle_internal(int i + */ + + #define BUILD_IPIC_INTERNAL(width) \ +-void __dispatch_internal_##width(void) \ ++void __dispatch_internal_##width(int cpu) \ + { \ + u32 pending[width / 32]; \ + unsigned int src, tgt; \ + bool irqs_pending = false; \ +- static unsigned int i; \ ++ static unsigned int i[2]; \ ++ unsigned int *next = &i[cpu]; \ + \ + /* read registers in reverse order */ \ + for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ + u32 val; \ + \ +- val = bcm_readl(irq_stat_addr[0] + src * sizeof(u32)); \ +- val &= bcm_readl(irq_mask_addr[0] + src * sizeof(u32)); \ ++ val = bcm_readl(irq_stat_addr[cpu] + src * sizeof(u32)); \ ++ val &= bcm_readl(irq_mask_addr[cpu] + src * sizeof(u32)); \ + pending[--tgt] = val; \ + \ + if (val) \ +@@ -77,9 +79,9 @@ void __dispatch_internal_##width(void) + return; \ + \ + while (1) { \ +- unsigned int to_call = i; \ ++ unsigned int to_call = *next; \ + \ +- i = (i + 1) & (width - 1); \ ++ *next = (*next + 1) & (width - 1); \ + if (pending[to_call / 32] & (1 << (to_call & 0x1f))) { \ + handle_internal(to_call); \ + break; \ +@@ -129,7 +131,7 @@ asmlinkage void plat_irq_dispatch(void) + if (cause & CAUSEF_IP1) + do_IRQ(1); + if (cause & CAUSEF_IP2) +- dispatch_internal(); ++ dispatch_internal(0); + if (!is_ext_irq_cascaded) { + if (cause & CAUSEF_IP3) + do_IRQ(IRQ_EXT_0); diff --git a/target/linux/brcm63xx/patches-3.10/323-MIPS-BCM63XX-add-pin-argument-to-dispatch-internal.patch b/target/linux/brcm63xx/patches-3.10/323-MIPS-BCM63XX-add-pin-argument-to-dispatch-internal.patch deleted file mode 100644 index 1b8921c..0000000 --- a/target/linux/brcm63xx/patches-3.10/323-MIPS-BCM63XX-add-pin-argument-to-dispatch-internal.patch +++ /dev/null @@ -1,70 +0,0 @@ -From a33bb660c712447ba8b561109cda6734954a6efa Mon Sep 17 00:00:00 2001 -From: Jonas Gorski -Date: Fri, 26 Apr 2013 11:21:16 +0200 -Subject: [PATCH 34/53] MIPS: BCM63XX: add pin argument to dispatch internal - -Signed-off-by: Jonas Gorski ---- - arch/mips/bcm63xx/irq.c | 18 ++++++++++-------- - 1 file changed, 10 insertions(+), 8 deletions(-) - ---- a/arch/mips/bcm63xx/irq.c -+++ b/arch/mips/bcm63xx/irq.c -@@ -19,9 +19,10 @@ - #include - #include - -+ - static u32 irq_stat_addr[2]; - static u32 irq_mask_addr[2]; --static void (*dispatch_internal)(void); -+static void (*dispatch_internal)(int pin); - static int is_ext_irq_cascaded; - static unsigned int ext_irq_count; - static unsigned int ext_irq_start, ext_irq_end; -@@ -54,19 +55,20 @@ static inline void handle_internal(int i - */ - - #define BUILD_IPIC_INTERNAL(width) \ --void __dispatch_internal_##width(void) \ -+void __dispatch_internal_##width(int pin) \ - { \ - u32 pending[width / 32]; \ - unsigned int src, tgt; \ - bool irqs_pending = false; \ -- static int i; \ -+ static int i[2]; \ -+ int *next = &i[pin]; \ - \ - /* read registers in reverse order */ \ - for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ - u32 val; \ - \ -- val = bcm_readl(irq_stat_addr[0] + src * sizeof(u32)); \ -- val &= bcm_readl(irq_mask_addr[0] + src * sizeof(u32)); \ -+ val = bcm_readl(irq_stat_addr[pin] + src * sizeof(u32)); \ -+ val &= bcm_readl(irq_mask_addr[pin] + src * sizeof(u32)); \ - pending[--tgt] = val; \ - \ - if (val) \ -@@ -77,9 +79,9 @@ void __dispatch_internal_##width(void) - return; \ - \ - while (1) { \ -- int to_call = i; \ -+ int to_call = *next; \ - \ -- i = (i + 1) & (width - 1); \ -+ *next = (*next + 1) & (width - 1); \ - if (pending[to_call / 32] & (1 << (to_call & 0x1f))) { \ - handle_internal(to_call); \ - break; \ -@@ -129,7 +131,7 @@ asmlinkage void plat_irq_dispatch(void) - if (cause & CAUSEF_IP1) - do_IRQ(1); - if (cause & CAUSEF_IP2) -- dispatch_internal(); -+ dispatch_internal(0); - if (!is_ext_irq_cascaded) { - if (cause & CAUSEF_IP3) - do_IRQ(IRQ_EXT_0); diff --git a/target/linux/brcm63xx/patches-3.10/324-MIPS-BCM63XX-protect-irq-register-accesses.patch b/target/linux/brcm63xx/patches-3.10/324-MIPS-BCM63XX-protect-irq-register-accesses.patch index c38137d..18669a1 100644 --- a/target/linux/brcm63xx/patches-3.10/324-MIPS-BCM63XX-protect-irq-register-accesses.patch +++ b/target/linux/brcm63xx/patches-3.10/324-MIPS-BCM63XX-protect-irq-register-accesses.patch @@ -1,8 +1,12 @@ -From 85257b702e1d4c6dcc839c737833c42ca53bae93 Mon Sep 17 00:00:00 2001 +From 5e86f3988854c62c0788e4820caf722fec7c791b Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Sun, 21 Apr 2013 15:38:56 +0200 -Subject: [PATCH 35/53] MIPS: BCM63XX: protect irq register accesses +Subject: [PATCH 07/10] MIPS: BCM63XX: protect irq register accesses +Since we will have the chance of accessing the registers concurrently, +protect any accesses through a spinlock. + +Signed-off-by: Jonas Gorski --- arch/mips/bcm63xx/irq.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) @@ -26,11 +30,11 @@ Subject: [PATCH 35/53] MIPS: BCM63XX: protect irq register accesses + static u32 irq_stat_addr[2]; static u32 irq_mask_addr[2]; - static void (*dispatch_internal)(int pin); -@@ -62,8 +66,10 @@ void __dispatch_internal_##width(int pin + static void (*dispatch_internal)(int cpu); +@@ -62,8 +66,10 @@ void __dispatch_internal_##width(int cpu bool irqs_pending = false; \ - static int i[2]; \ - int *next = &i[pin]; \ + static unsigned int i[2]; \ + unsigned int *next = &i[cpu]; \ + unsigned long flags; \ \ /* read registers in reverse order */ \ @@ -38,7 +42,7 @@ Subject: [PATCH 35/53] MIPS: BCM63XX: protect irq register accesses for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ u32 val; \ \ -@@ -74,6 +80,7 @@ void __dispatch_internal_##width(int pin +@@ -74,6 +80,7 @@ void __dispatch_internal_##width(int cpu if (val) \ irqs_pending = true; \ } \ @@ -63,12 +67,12 @@ Subject: [PATCH 35/53] MIPS: BCM63XX: protect irq register accesses @@ -105,10 +115,13 @@ static void __internal_irq_unmask_##widt u32 val; \ unsigned reg = (irq / 32) ^ (width/32 - 1); \ - unsigned bit = irq & 0x1f; \ + unsigned bit = irq & 0x1f; \ + unsigned long flags; \ \ + spin_lock_irqsave(&ipic_lock, flags); \ val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32)); \ - val |= (1 << bit); \ + val |= (1 << bit); \ bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32)); \ + spin_unlock_irqrestore(&ipic_lock, flags); \ } diff --git a/target/linux/brcm63xx/patches-3.10/325-MIPS-BCM63XX-wire-up-the-second-cpu-s-irq-line.patch b/target/linux/brcm63xx/patches-3.10/325-MIPS-BCM63XX-wire-up-the-second-cpu-s-irq-line.patch index 189965a..6e84890 100644 --- a/target/linux/brcm63xx/patches-3.10/325-MIPS-BCM63XX-wire-up-the-second-cpu-s-irq-line.patch +++ b/target/linux/brcm63xx/patches-3.10/325-MIPS-BCM63XX-wire-up-the-second-cpu-s-irq-line.patch @@ -1,8 +1,9 @@ -From df6661d1b5c001eb91ce07f364fd5b6468fd6f99 Mon Sep 17 00:00:00 2001 +From 6e74b82aca08a5ecc4d2f0780254468659427e82 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Fri, 26 Apr 2013 12:03:15 +0200 -Subject: [PATCH 36/53] MIPS: BCM63XX: wire up the second cpu's irq line +Subject: [PATCH 08/10] MIPS: BCM63XX: wire up the second cpu's irq line +Signed-off-by: Jonas Gorski --- arch/mips/bcm63xx/irq.c | 44 +++++++++++++++++++++++++++++++++++++------- 1 file changed, 37 insertions(+), 7 deletions(-) @@ -32,13 +33,13 @@ Subject: [PATCH 36/53] MIPS: BCM63XX: wire up the second cpu's irq line \ @@ -116,11 +122,20 @@ static void __internal_irq_unmask_##widt unsigned reg = (irq / 32) ^ (width/32 - 1); \ - unsigned bit = irq & 0x1f; \ + unsigned bit = irq & 0x1f; \ unsigned long flags; \ + int cpu; \ \ spin_lock_irqsave(&ipic_lock, flags); \ - val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32)); \ -- val |= (1 << bit); \ +- val |= (1 << bit); \ - bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32)); \ + for_each_present_cpu(cpu) { \ + if (!irq_mask_addr[cpu]) \ @@ -46,7 +47,7 @@ Subject: [PATCH 36/53] MIPS: BCM63XX: wire up the second cpu's irq line + \ + val = bcm_readl(irq_mask_addr[cpu] + reg * sizeof(u32));\ + if (cpu_online(cpu)) \ -+ val |= (1 << bit); \ ++ val |= (1 << bit); \ + else \ + val &= ~(1 << bit); \ + bcm_writel(val, irq_mask_addr[cpu] + reg * sizeof(u32));\ diff --git a/target/linux/brcm63xx/patches-3.10/326-MIPS-BCM63XX-use-irq_desc-as-argument-for-un-mask.patch b/target/linux/brcm63xx/patches-3.10/326-MIPS-BCM63XX-use-irq_desc-as-argument-for-un-mask.patch index 468cbc3..fc07b4b 100644 --- a/target/linux/brcm63xx/patches-3.10/326-MIPS-BCM63XX-use-irq_desc-as-argument-for-un-mask.patch +++ b/target/linux/brcm63xx/patches-3.10/326-MIPS-BCM63XX-use-irq_desc-as-argument-for-un-mask.patch @@ -1,7 +1,7 @@ -From b665117faa0dfde70689502fc420d72bbf8e6bd4 Mon Sep 17 00:00:00 2001 +From e23dc903cd69d32d407ea1b7310bc9a71e00d359 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Tue, 30 Apr 2013 11:26:53 +0200 -Subject: [PATCH 37/53] MIPS: BCM63XX: use irq_desc as argument for (un)mask +Subject: [PATCH 09/10] MIPS: BCM63XX: use irq_desc as argument for (un)mask In preparation for applying affinity, use the irq descriptor as the argument for (un)mask. @@ -24,7 +24,7 @@ Signed-off-by: Jonas Gorski static inline u32 get_ext_irq_perf_reg(int irq) -@@ -96,9 +96,10 @@ void __dispatch_internal_##width(int pin +@@ -96,9 +96,10 @@ void __dispatch_internal_##width(int cpu } \ } \ \ @@ -42,11 +42,11 @@ Signed-off-by: Jonas Gorski \ -static void __internal_irq_unmask_##width(unsigned int irq) \ +static void __internal_irq_unmask_##width(struct irq_data *d) \ - { \ + { \ u32 val; \ + unsigned irq = d->irq - IRQ_INTERNAL_BASE; \ unsigned reg = (irq / 32) ^ (width/32 - 1); \ - unsigned bit = irq & 0x1f; \ + unsigned bit = irq & 0x1f; \ unsigned long flags; \ @@ -182,12 +184,12 @@ asmlinkage void plat_irq_dispatch(void) */ diff --git a/target/linux/brcm63xx/patches-3.10/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch b/target/linux/brcm63xx/patches-3.10/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch index 9394e23..a625b2e 100644 --- a/target/linux/brcm63xx/patches-3.10/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch +++ b/target/linux/brcm63xx/patches-3.10/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch @@ -1,12 +1,16 @@ -From 9249f2f6a309e3f45c35d16decdcc5b2cadcadb8 Mon Sep 17 00:00:00 2001 +From 23493b47d8caaa59b18627a01bf443c3b50bb530 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Fri, 26 Apr 2013 12:06:03 +0200 -Subject: [PATCH 38/53] MIPS: BCM63XX: allow setting affinity for IPIC +Subject: [PATCH 10/10] MIPS: BCM63XX: allow setting affinity for IPIC + +Wire up the set_affinity call for the internal PIC if booting on +a cpu supporting it. +Affinity is kept to boot cpu as default. Signed-off-by: Jonas Gorski --- - arch/mips/bcm63xx/irq.c | 43 +++++++++++++++++++++++++++++++++++++------ - 1 file changed, 37 insertions(+), 6 deletions(-) + arch/mips/bcm63xx/irq.c | 46 ++++++++++++++++++++++++++++++++++++++++------ + 1 file changed, 40 insertions(+), 6 deletions(-) --- a/arch/mips/bcm63xx/irq.c +++ b/arch/mips/bcm63xx/irq.c @@ -27,8 +31,8 @@ Signed-off-by: Jonas Gorski + const struct cpumask *m) +{ + bool enable = cpu_online(cpu); -+#ifdef CONFIG_SMP + ++#ifdef CONFIG_SMP + if (m) + enable &= cpu_isset(cpu, *m); + else if (irqd_affinity_was_set(d)) @@ -47,7 +51,7 @@ Signed-off-by: Jonas Gorski -static void __internal_irq_unmask_##width(struct irq_data *d) \ +static void __internal_irq_unmask_##width(struct irq_data *d, \ + const struct cpumask *m) \ - { \ + { \ u32 val; \ unsigned irq = d->irq - IRQ_INTERNAL_BASE; \ @@ -132,7 +147,7 @@ static void __internal_irq_unmask_##widt @@ -56,7 +60,7 @@ Signed-off-by: Jonas Gorski val = bcm_readl(irq_mask_addr[cpu] + reg * sizeof(u32));\ - if (cpu_online(cpu)) \ + if (enable_irq_for_cpu(cpu, d, m)) \ - val |= (1 << bit); \ + val |= (1 << bit); \ else \ val &= ~(1 << bit); \ @@ -189,7 +204,7 @@ static void bcm63xx_internal_irq_mask(st @@ -97,7 +101,7 @@ Signed-off-by: Jonas Gorski static struct irq_chip bcm63xx_internal_irq_chip = { .name = "bcm63xx_ipic", .irq_mask = bcm63xx_internal_irq_mask, -@@ -523,7 +551,10 @@ void __init arch_init_irq(void) +@@ -523,7 +551,13 @@ void __init arch_init_irq(void) setup_irq(MIPS_CPU_IRQ_BASE + 2, &cpu_ip2_cascade_action); #ifdef CONFIG_SMP @@ -106,6 +110,9 @@ Signed-off-by: Jonas Gorski setup_irq(MIPS_CPU_IRQ_BASE + 3, &cpu_ip3_cascade_action); + bcm63xx_internal_irq_chip.irq_set_affinity = + bcm63xx_internal_set_affinity; ++ ++ cpumask_clear(irq_default_affinity); ++ cpumask_set_cpu(smp_processor_id(), irq_default_affinity); + } #endif } diff --git a/target/linux/brcm63xx/patches-3.14/318-MIPS-BCM63XX-add-width-to-__dispatch_internal.patch b/target/linux/brcm63xx/patches-3.14/318-MIPS-BCM63XX-add-width-to-__dispatch_internal.patch new file mode 100644 index 0000000..dc8f8b3 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.14/318-MIPS-BCM63XX-add-width-to-__dispatch_internal.patch @@ -0,0 +1,41 @@ +From a2015bfad293a7eb79519beb60381cb996c6e298 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Thu, 21 Mar 2013 17:05:15 +0100 +Subject: [PATCH 01/10] MIPS: BCM63XX: add width to __dispatch_internal + +Make it follow the same naming convention as the other functions. + +Signed-off-by: Jonas Gorski +--- + arch/mips/bcm63xx/irq.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +--- a/arch/mips/bcm63xx/irq.c ++++ b/arch/mips/bcm63xx/irq.c +@@ -19,7 +19,7 @@ + #include + #include + +-static void __dispatch_internal(void) __maybe_unused; ++static void __dispatch_internal_32(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; +@@ -117,7 +117,7 @@ static void bcm63xx_init_irq(void) + } + + if (irq_bits == 32) { +- dispatch_internal = __dispatch_internal; ++ dispatch_internal = __dispatch_internal_32; + internal_irq_mask = __internal_irq_mask_32; + internal_irq_unmask = __internal_irq_unmask_32; + } else { +@@ -149,7 +149,7 @@ static inline void handle_internal(int i + * will resume the loop where it ended the last time we left this + * function. + */ +-static void __dispatch_internal(void) ++static void __dispatch_internal_32(void) + { + u32 pending; + static int i; diff --git a/target/linux/brcm63xx/patches-3.14/318-MIPS-BCM63XX-rename-__dispatch_internal-to-__dispatc.patch b/target/linux/brcm63xx/patches-3.14/318-MIPS-BCM63XX-rename-__dispatch_internal-to-__dispatc.patch deleted file mode 100644 index f4d98c3..0000000 --- a/target/linux/brcm63xx/patches-3.14/318-MIPS-BCM63XX-rename-__dispatch_internal-to-__dispatc.patch +++ /dev/null @@ -1,42 +0,0 @@ -From 653dcc09407a695efb203337c6f72515d4c4ee43 Mon Sep 17 00:00:00 2001 -From: Jonas Gorski -Date: Thu, 21 Mar 2013 17:05:15 +0100 -Subject: [PATCH 29/53] MIPS: BCM63XX: rename __dispatch_internal to - __dispatch_internal_32 - -Make it follow the same naming convention as the other functions. - -Signed-off-by: Jonas Gorski ---- - arch/mips/bcm63xx/irq.c | 6 +++--- - 1 file changed, 3 insertions(+), 3 deletions(-) - ---- a/arch/mips/bcm63xx/irq.c -+++ b/arch/mips/bcm63xx/irq.c -@@ -19,7 +19,7 @@ - #include - #include - --static void __dispatch_internal(void) __maybe_unused; -+static void __dispatch_internal_32(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; -@@ -117,7 +117,7 @@ static void bcm63xx_init_irq(void) - } - - if (irq_bits == 32) { -- dispatch_internal = __dispatch_internal; -+ dispatch_internal = __dispatch_internal_32; - internal_irq_mask = __internal_irq_mask_32; - internal_irq_unmask = __internal_irq_unmask_32; - } else { -@@ -149,7 +149,7 @@ static inline void handle_internal(int i - * will resume the loop where it ended the last time we left this - * function. - */ --static void __dispatch_internal(void) -+static void __dispatch_internal_32(void) - { - u32 pending; - static int i; diff --git a/target/linux/brcm63xx/patches-3.14/319-MIPS-BCM63XX-move-bcm63xx_init_irq-down.patch b/target/linux/brcm63xx/patches-3.14/319-MIPS-BCM63XX-move-bcm63xx_init_irq-down.patch index fb57939..c9dc4ce 100644 --- a/target/linux/brcm63xx/patches-3.14/319-MIPS-BCM63XX-move-bcm63xx_init_irq-down.patch +++ b/target/linux/brcm63xx/patches-3.14/319-MIPS-BCM63XX-move-bcm63xx_init_irq-down.patch @@ -1,9 +1,11 @@ -From c28c639b031385ecf965eecf3bfb532e88044c89 Mon Sep 17 00:00:00 2001 +From 6e79c6dd02aa56e37eb071797f0eb5e3fb588cba Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Sun, 15 Dec 2013 20:52:53 +0100 -Subject: [PATCH 30/53] MIPS: BCM63XX: move bcm63xx_init_irq down +Subject: [PATCH 02/10] MIPS: BCM63XX: move bcm63xx_init_irq down Allows up to drop the prototypes from the top. + +Signed-off-by: Jonas Gorski --- arch/mips/bcm63xx/irq.c | 190 +++++++++++++++++++++++------------------------- 1 file changed, 92 insertions(+), 98 deletions(-) diff --git a/target/linux/brcm63xx/patches-3.14/320-MIPS-BCM63XX-replace-irq-dispatch-code-with-a-generi.patch b/target/linux/brcm63xx/patches-3.14/320-MIPS-BCM63XX-replace-irq-dispatch-code-with-a-generi.patch index f0311ce..021d0d9 100644 --- a/target/linux/brcm63xx/patches-3.14/320-MIPS-BCM63XX-replace-irq-dispatch-code-with-a-generi.patch +++ b/target/linux/brcm63xx/patches-3.14/320-MIPS-BCM63XX-replace-irq-dispatch-code-with-a-generi.patch @@ -1,15 +1,22 @@ -From 01bf26c51b427e24ac69f604d33f7d9360a9e470 Mon Sep 17 00:00:00 2001 +From 39b46ed1c9fe71890566e129d9ac5feb8421b3b4 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Thu, 18 Apr 2013 21:14:49 +0200 -Subject: [PATCH 31/53] MIPS: BCM63XX: replace irq dispatch code with a generic +Subject: [PATCH 03/10] MIPS: BCM63XX: replace irq dispatch code with a generic version -The generic version uses a variable length of u32 registers of u32/u64. -This allows easier support for longer registers without having to rewrite -verything. +The generic version uses a variable length of u32 registers instead of u32/u64. +This allows easier support for "wider" registers without having to rewrite +everything. -This "generic" version is not slower than the old version in the best case -(= i == next set bit), and twice as fast in the worst case in 64 bits. +This "generic" version is as fast as the old version in the best case +(i == next set bit), and twice as fast in the worst case in 64 bits. + +Using a macro was chosen over a (forced) inline version because gcc generated +more compact code with the macro. + +The change from (signed) int to unsigned int for i and to_call was intentional +as the value can be only between 0 and (width - 1) anyway, and allowed gcc to +optimise the code a bit further. Signed-off-by: Jonas Gorski --- @@ -47,7 +54,7 @@ Signed-off-by: Jonas Gorski + u32 pending[width / 32]; \ + unsigned int src, tgt; \ + bool irqs_pending = false; \ -+ static int i; \ ++ static unsigned int i; \ + \ + /* read registers in reverse order */ \ + for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ @@ -65,7 +72,7 @@ Signed-off-by: Jonas Gorski + return; \ + \ + while (1) { \ -+ int to_call = i; \ ++ unsigned int to_call = i; \ + \ + i = (i + 1) & (width - 1); \ + if (pending[to_call / 32] & (1 << (to_call & 0x1f))) { \ @@ -87,13 +94,13 @@ Signed-off-by: Jonas Gorski +} \ + \ +static void __internal_irq_unmask_##width(unsigned int irq) \ -+{ \ ++{ \ + u32 val; \ + unsigned reg = (irq / 32) ^ (width/32 - 1); \ -+ unsigned bit = irq & 0x1f; \ ++ unsigned bit = irq & 0x1f; \ + \ + val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ -+ val |= (1 << bit); \ ++ val |= (1 << bit); \ + bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ } diff --git a/target/linux/brcm63xx/patches-3.14/321-MIPS-BCM63XX-append-irq-line-number-to-irq_-stat-mas.patch b/target/linux/brcm63xx/patches-3.14/321-MIPS-BCM63XX-append-irq-line-number-to-irq_-stat-mas.patch deleted file mode 100644 index e53f230..0000000 --- a/target/linux/brcm63xx/patches-3.14/321-MIPS-BCM63XX-append-irq-line-number-to-irq_-stat-mas.patch +++ /dev/null @@ -1,183 +0,0 @@ -From 1003fb4a5ee9fcff518f20eefdee1a9bf500af7e Mon Sep 17 00:00:00 2001 -From: Jonas Gorski -Date: Thu, 25 Apr 2013 00:24:06 +0200 -Subject: [PATCH 32/53] MIPS: BCM63XX: append irq line number to - irq_{stat,mask}* - -The SMP capable irq controllers have two interupt output pins which are -controlled through separate registers, so make the variables arrays. - -Signed-off-by: Jonas Gorski ---- - arch/mips/bcm63xx/irq.c | 51 ++++++++++++----------- - arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 16 +++---- - 2 files changed, 34 insertions(+), 33 deletions(-) - ---- a/arch/mips/bcm63xx/irq.c -+++ b/arch/mips/bcm63xx/irq.c -@@ -19,7 +19,8 @@ - #include - #include - --static u32 irq_stat_addr, irq_mask_addr; -+static u32 irq_stat_addr[2]; -+static u32 irq_mask_addr[2]; - static void (*dispatch_internal)(void); - static int is_ext_irq_cascaded; - static unsigned int ext_irq_count; -@@ -64,8 +65,8 @@ void __dispatch_internal_##width(void) - for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ - u32 val; \ - \ -- val = bcm_readl(irq_stat_addr + src * sizeof(u32)); \ -- val &= bcm_readl(irq_mask_addr + src * sizeof(u32)); \ -+ val = bcm_readl(irq_stat_addr[0] + src * sizeof(u32)); \ -+ val &= bcm_readl(irq_mask_addr[0] + src * sizeof(u32)); \ - pending[--tgt] = val; \ - \ - if (val) \ -@@ -92,9 +93,9 @@ static void __internal_irq_mask_##width( - unsigned reg = (irq / 32) ^ (width/32 - 1); \ - unsigned bit = irq & 0x1f; \ - \ -- val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ -+ val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32)); \ - val &= ~(1 << bit); \ -- bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ -+ bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32)); \ - } \ - \ - static void __internal_irq_unmask_##width(unsigned int irq) \ -@@ -103,9 +104,9 @@ static void __internal_irq_unmask_##widt - unsigned reg = (irq / 32) ^ (width/32 - 1); \ - unsigned bit = irq & 0x1f; \ - \ -- val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ -+ val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32)); \ - val |= (1 << bit); \ -- bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ -+ bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32)); \ - } - - BUILD_IPIC_INTERNAL(32); -@@ -339,20 +340,20 @@ 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); -+ irq_stat_addr[0] = bcm63xx_regset_address(RSET_PERF); -+ irq_mask_addr[0] = bcm63xx_regset_address(RSET_PERF); - - switch (bcm63xx_get_cpu_id()) { - case BCM3368_CPU_ID: -- irq_stat_addr += PERF_IRQSTAT_3368_REG; -- irq_mask_addr += PERF_IRQMASK_3368_REG; -+ irq_stat_addr[0] += PERF_IRQSTAT_3368_REG; -+ irq_mask_addr[0] += PERF_IRQMASK_3368_REG; - irq_bits = 32; - ext_irq_count = 4; - ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_3368; - break; - case BCM6328_CPU_ID: -- irq_stat_addr += PERF_IRQSTAT_6328_REG; -- irq_mask_addr += PERF_IRQMASK_6328_REG; -+ irq_stat_addr[0] += PERF_IRQSTAT_6328_REG(0); -+ irq_mask_addr[0] += PERF_IRQMASK_6328_REG(0); - irq_bits = 64; - ext_irq_count = 4; - is_ext_irq_cascaded = 1; -@@ -361,29 +362,29 @@ static void bcm63xx_init_irq(void) - ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6328; - break; - case BCM6338_CPU_ID: -- irq_stat_addr += PERF_IRQSTAT_6338_REG; -- irq_mask_addr += PERF_IRQMASK_6338_REG; -+ irq_stat_addr[0] += PERF_IRQSTAT_6338_REG; -+ irq_mask_addr[0] += PERF_IRQMASK_6338_REG; - irq_bits = 32; - ext_irq_count = 4; - ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6338; - break; - case BCM6345_CPU_ID: -- irq_stat_addr += PERF_IRQSTAT_6345_REG; -- irq_mask_addr += PERF_IRQMASK_6345_REG; -+ irq_stat_addr[0] += PERF_IRQSTAT_6345_REG; -+ irq_mask_addr[0] += PERF_IRQMASK_6345_REG; - irq_bits = 32; - ext_irq_count = 4; - ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6345; - break; - case BCM6348_CPU_ID: -- irq_stat_addr += PERF_IRQSTAT_6348_REG; -- irq_mask_addr += PERF_IRQMASK_6348_REG; -+ irq_stat_addr[0] += PERF_IRQSTAT_6348_REG; -+ irq_mask_addr[0] += 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_stat_addr[0] += PERF_IRQSTAT_6358_REG(0); -+ irq_mask_addr[0] += PERF_IRQMASK_6358_REG(0); - irq_bits = 32; - ext_irq_count = 4; - is_ext_irq_cascaded = 1; -@@ -392,8 +393,8 @@ static void bcm63xx_init_irq(void) - ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6358; - break; - case BCM6362_CPU_ID: -- irq_stat_addr += PERF_IRQSTAT_6362_REG; -- irq_mask_addr += PERF_IRQMASK_6362_REG; -+ irq_stat_addr[0] += PERF_IRQSTAT_6362_REG(0); -+ irq_mask_addr[0] += PERF_IRQMASK_6362_REG(0); - irq_bits = 64; - ext_irq_count = 4; - is_ext_irq_cascaded = 1; -@@ -402,8 +403,8 @@ static void bcm63xx_init_irq(void) - ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6362; - break; - case BCM6368_CPU_ID: -- irq_stat_addr += PERF_IRQSTAT_6368_REG; -- irq_mask_addr += PERF_IRQMASK_6368_REG; -+ irq_stat_addr[0] += PERF_IRQSTAT_6368_REG(0); -+ irq_mask_addr[0] += PERF_IRQMASK_6368_REG(0); - irq_bits = 64; - ext_irq_count = 6; - is_ext_irq_cascaded = 1; ---- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h -+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h -@@ -215,23 +215,23 @@ - - /* Interrupt Mask register */ - #define PERF_IRQMASK_3368_REG 0xc --#define PERF_IRQMASK_6328_REG 0x20 -+#define PERF_IRQMASK_6328_REG(x) (0x20 + (x) * 0x10) - #define PERF_IRQMASK_6338_REG 0xc - #define PERF_IRQMASK_6345_REG 0xc - #define PERF_IRQMASK_6348_REG 0xc --#define PERF_IRQMASK_6358_REG 0xc --#define PERF_IRQMASK_6362_REG 0x20 --#define PERF_IRQMASK_6368_REG 0x20 -+#define PERF_IRQMASK_6358_REG(x) (0xc + (x) * 0x2c) -+#define PERF_IRQMASK_6362_REG(x) (0x20 + (x) * 0x10) -+#define PERF_IRQMASK_6368_REG(x) (0x20 + (x) * 0x10) - - /* Interrupt Status register */ - #define PERF_IRQSTAT_3368_REG 0x10 --#define PERF_IRQSTAT_6328_REG 0x28 -+#define PERF_IRQSTAT_6328_REG(x) (0x28 + (x) * 0x10) - #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_6362_REG 0x28 --#define PERF_IRQSTAT_6368_REG 0x28 -+#define PERF_IRQSTAT_6358_REG(x) (0x10 + (x) * 0x2c) -+#define PERF_IRQSTAT_6362_REG(x) (0x28 + (x) * 0x10) -+#define PERF_IRQSTAT_6368_REG(x) (0x28 + (x) * 0x10) - - /* External Interrupt Configuration register */ - #define PERF_EXTIRQ_CFG_REG_3368 0x14 diff --git a/target/linux/brcm63xx/patches-3.14/321-MIPS-BCM63XX-append-irq-line-to-irq_-stat-mask.patch b/target/linux/brcm63xx/patches-3.14/321-MIPS-BCM63XX-append-irq-line-to-irq_-stat-mask.patch new file mode 100644 index 0000000..5b63488 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.14/321-MIPS-BCM63XX-append-irq-line-to-irq_-stat-mask.patch @@ -0,0 +1,182 @@ +From 96ce0a9d195b2781d6f8d919dea8056b1c409703 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Thu, 25 Apr 2013 00:24:06 +0200 +Subject: [PATCH 04/10] MIPS: BCM63XX: append irq line to irq_{stat,mask}* + +The SMP capable irq controllers have two interrupt output pins which are +controlled through separate registers, so make the variables arrays. + +Signed-off-by: Jonas Gorski +--- + arch/mips/bcm63xx/irq.c | 51 ++++++++++++----------- + arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 16 +++---- + 2 files changed, 34 insertions(+), 33 deletions(-) + +--- a/arch/mips/bcm63xx/irq.c ++++ b/arch/mips/bcm63xx/irq.c +@@ -19,7 +19,8 @@ + #include + #include + +-static u32 irq_stat_addr, irq_mask_addr; ++static u32 irq_stat_addr[2]; ++static u32 irq_mask_addr[2]; + static void (*dispatch_internal)(void); + static int is_ext_irq_cascaded; + static unsigned int ext_irq_count; +@@ -64,8 +65,8 @@ void __dispatch_internal_##width(void) + for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ + u32 val; \ + \ +- val = bcm_readl(irq_stat_addr + src * sizeof(u32)); \ +- val &= bcm_readl(irq_mask_addr + src * sizeof(u32)); \ ++ val = bcm_readl(irq_stat_addr[0] + src * sizeof(u32)); \ ++ val &= bcm_readl(irq_mask_addr[0] + src * sizeof(u32)); \ + pending[--tgt] = val; \ + \ + if (val) \ +@@ -92,9 +93,9 @@ static void __internal_irq_mask_##width( + unsigned reg = (irq / 32) ^ (width/32 - 1); \ + unsigned bit = irq & 0x1f; \ + \ +- val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ ++ val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32)); \ + val &= ~(1 << bit); \ +- bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ ++ bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32)); \ + } \ + \ + static void __internal_irq_unmask_##width(unsigned int irq) \ +@@ -103,9 +104,9 @@ static void __internal_irq_unmask_##widt + unsigned reg = (irq / 32) ^ (width/32 - 1); \ + unsigned bit = irq & 0x1f; \ + \ +- val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ ++ val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32)); \ + val |= (1 << bit); \ +- bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ ++ bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32)); \ + } + + BUILD_IPIC_INTERNAL(32); +@@ -339,20 +340,20 @@ 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); ++ irq_stat_addr[0] = bcm63xx_regset_address(RSET_PERF); ++ irq_mask_addr[0] = bcm63xx_regset_address(RSET_PERF); + + switch (bcm63xx_get_cpu_id()) { + case BCM3368_CPU_ID: +- irq_stat_addr += PERF_IRQSTAT_3368_REG; +- irq_mask_addr += PERF_IRQMASK_3368_REG; ++ irq_stat_addr[0] += PERF_IRQSTAT_3368_REG; ++ irq_mask_addr[0] += PERF_IRQMASK_3368_REG; + irq_bits = 32; + ext_irq_count = 4; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_3368; + break; + case BCM6328_CPU_ID: +- irq_stat_addr += PERF_IRQSTAT_6328_REG; +- irq_mask_addr += PERF_IRQMASK_6328_REG; ++ irq_stat_addr[0] += PERF_IRQSTAT_6328_REG(0); ++ irq_mask_addr[0] += PERF_IRQMASK_6328_REG(0); + irq_bits = 64; + ext_irq_count = 4; + is_ext_irq_cascaded = 1; +@@ -361,29 +362,29 @@ static void bcm63xx_init_irq(void) + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6328; + break; + case BCM6338_CPU_ID: +- irq_stat_addr += PERF_IRQSTAT_6338_REG; +- irq_mask_addr += PERF_IRQMASK_6338_REG; ++ irq_stat_addr[0] += PERF_IRQSTAT_6338_REG; ++ irq_mask_addr[0] += PERF_IRQMASK_6338_REG; + irq_bits = 32; + ext_irq_count = 4; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6338; + break; + case BCM6345_CPU_ID: +- irq_stat_addr += PERF_IRQSTAT_6345_REG; +- irq_mask_addr += PERF_IRQMASK_6345_REG; ++ irq_stat_addr[0] += PERF_IRQSTAT_6345_REG; ++ irq_mask_addr[0] += PERF_IRQMASK_6345_REG; + irq_bits = 32; + ext_irq_count = 4; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6345; + break; + case BCM6348_CPU_ID: +- irq_stat_addr += PERF_IRQSTAT_6348_REG; +- irq_mask_addr += PERF_IRQMASK_6348_REG; ++ irq_stat_addr[0] += PERF_IRQSTAT_6348_REG; ++ irq_mask_addr[0] += 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_stat_addr[0] += PERF_IRQSTAT_6358_REG(0); ++ irq_mask_addr[0] += PERF_IRQMASK_6358_REG(0); + irq_bits = 32; + ext_irq_count = 4; + is_ext_irq_cascaded = 1; +@@ -392,8 +393,8 @@ static void bcm63xx_init_irq(void) + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6358; + break; + case BCM6362_CPU_ID: +- irq_stat_addr += PERF_IRQSTAT_6362_REG; +- irq_mask_addr += PERF_IRQMASK_6362_REG; ++ irq_stat_addr[0] += PERF_IRQSTAT_6362_REG(0); ++ irq_mask_addr[0] += PERF_IRQMASK_6362_REG(0); + irq_bits = 64; + ext_irq_count = 4; + is_ext_irq_cascaded = 1; +@@ -402,8 +403,8 @@ static void bcm63xx_init_irq(void) + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6362; + break; + case BCM6368_CPU_ID: +- irq_stat_addr += PERF_IRQSTAT_6368_REG; +- irq_mask_addr += PERF_IRQMASK_6368_REG; ++ irq_stat_addr[0] += PERF_IRQSTAT_6368_REG(0); ++ irq_mask_addr[0] += PERF_IRQMASK_6368_REG(0); + irq_bits = 64; + ext_irq_count = 6; + is_ext_irq_cascaded = 1; +--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h ++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h +@@ -215,23 +215,23 @@ + + /* Interrupt Mask register */ + #define PERF_IRQMASK_3368_REG 0xc +-#define PERF_IRQMASK_6328_REG 0x20 ++#define PERF_IRQMASK_6328_REG(x) (0x20 + (x) * 0x10) + #define PERF_IRQMASK_6338_REG 0xc + #define PERF_IRQMASK_6345_REG 0xc + #define PERF_IRQMASK_6348_REG 0xc +-#define PERF_IRQMASK_6358_REG 0xc +-#define PERF_IRQMASK_6362_REG 0x20 +-#define PERF_IRQMASK_6368_REG 0x20 ++#define PERF_IRQMASK_6358_REG(x) (0xc + (x) * 0x2c) ++#define PERF_IRQMASK_6362_REG(x) (0x20 + (x) * 0x10) ++#define PERF_IRQMASK_6368_REG(x) (0x20 + (x) * 0x10) + + /* Interrupt Status register */ + #define PERF_IRQSTAT_3368_REG 0x10 +-#define PERF_IRQSTAT_6328_REG 0x28 ++#define PERF_IRQSTAT_6328_REG(x) (0x28 + (x) * 0x10) + #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_6362_REG 0x28 +-#define PERF_IRQSTAT_6368_REG 0x28 ++#define PERF_IRQSTAT_6358_REG(x) (0x10 + (x) * 0x2c) ++#define PERF_IRQSTAT_6362_REG(x) (0x28 + (x) * 0x10) ++#define PERF_IRQSTAT_6368_REG(x) (0x28 + (x) * 0x10) + + /* External Interrupt Configuration register */ + #define PERF_EXTIRQ_CFG_REG_3368 0x14 diff --git a/target/linux/brcm63xx/patches-3.14/322-MIPS-BCM63XX-populate-irq_-stat-mask-_addr-for-secon.patch b/target/linux/brcm63xx/patches-3.14/322-MIPS-BCM63XX-populate-irq_-stat-mask-_addr-for-secon.patch index a21137f..5f94583 100644 --- a/target/linux/brcm63xx/patches-3.14/322-MIPS-BCM63XX-populate-irq_-stat-mask-_addr-for-secon.patch +++ b/target/linux/brcm63xx/patches-3.14/322-MIPS-BCM63XX-populate-irq_-stat-mask-_addr-for-secon.patch @@ -1,8 +1,10 @@ -From 842f213228e6fc9fd6cca01ab5128623112aa7a9 Mon Sep 17 00:00:00 2001 +From ff61c72a7a260ab4c4abbddb72c3cd2aea5e0687 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Thu, 25 Apr 2013 00:31:29 +0200 -Subject: [PATCH 33/53] MIPS: BCM63XX: populate irq_{stat,mask}_addr for second - pin +Subject: [PATCH 05/10] MIPS: BCM63XX: populate irq_{stat,mask}_addr for second + cpu + +Set it to zero if there is no second set. Signed-off-by: Jonas Gorski --- diff --git a/target/linux/brcm63xx/patches-3.14/323-MIPS-BCM63XX-add-cpu-argument-to-dispatch-internal.patch b/target/linux/brcm63xx/patches-3.14/323-MIPS-BCM63XX-add-cpu-argument-to-dispatch-internal.patch new file mode 100644 index 0000000..395dc13 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.14/323-MIPS-BCM63XX-add-cpu-argument-to-dispatch-internal.patch @@ -0,0 +1,70 @@ +From 43ebef8162adfa7789cb915e60e46103965d7efd Mon Sep 17 00:00:00 2001 +From: Jonas Gorski +Date: Fri, 26 Apr 2013 11:21:16 +0200 +Subject: [PATCH 06/10] MIPS: BCM63XX: add cpu argument to dispatch internal + +Signed-off-by: Jonas Gorski +--- + arch/mips/bcm63xx/irq.c | 18 ++++++++++-------- + 1 file changed, 10 insertions(+), 8 deletions(-) + +--- a/arch/mips/bcm63xx/irq.c ++++ b/arch/mips/bcm63xx/irq.c +@@ -19,9 +19,10 @@ + #include + #include + ++ + static u32 irq_stat_addr[2]; + static u32 irq_mask_addr[2]; +-static void (*dispatch_internal)(void); ++static void (*dispatch_internal)(int cpu); + static int is_ext_irq_cascaded; + static unsigned int ext_irq_count; + static unsigned int ext_irq_start, ext_irq_end; +@@ -54,19 +55,20 @@ static inline void handle_internal(int i + */ + + #define BUILD_IPIC_INTERNAL(width) \ +-void __dispatch_internal_##width(void) \ ++void __dispatch_internal_##width(int cpu) \ + { \ + u32 pending[width / 32]; \ + unsigned int src, tgt; \ + bool irqs_pending = false; \ +- static unsigned int i; \ ++ static unsigned int i[2]; \ ++ unsigned int *next = &i[cpu]; \ + \ + /* read registers in reverse order */ \ + for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ + u32 val; \ + \ +- val = bcm_readl(irq_stat_addr[0] + src * sizeof(u32)); \ +- val &= bcm_readl(irq_mask_addr[0] + src * sizeof(u32)); \ ++ val = bcm_readl(irq_stat_addr[cpu] + src * sizeof(u32)); \ ++ val &= bcm_readl(irq_mask_addr[cpu] + src * sizeof(u32)); \ + pending[--tgt] = val; \ + \ + if (val) \ +@@ -77,9 +79,9 @@ void __dispatch_internal_##width(void) + return; \ + \ + while (1) { \ +- unsigned int to_call = i; \ ++ unsigned int to_call = *next; \ + \ +- i = (i + 1) & (width - 1); \ ++ *next = (*next + 1) & (width - 1); \ + if (pending[to_call / 32] & (1 << (to_call & 0x1f))) { \ + handle_internal(to_call); \ + break; \ +@@ -129,7 +131,7 @@ asmlinkage void plat_irq_dispatch(void) + if (cause & CAUSEF_IP1) + do_IRQ(1); + if (cause & CAUSEF_IP2) +- dispatch_internal(); ++ dispatch_internal(0); + if (!is_ext_irq_cascaded) { + if (cause & CAUSEF_IP3) + do_IRQ(IRQ_EXT_0); diff --git a/target/linux/brcm63xx/patches-3.14/323-MIPS-BCM63XX-add-pin-argument-to-dispatch-internal.patch b/target/linux/brcm63xx/patches-3.14/323-MIPS-BCM63XX-add-pin-argument-to-dispatch-internal.patch deleted file mode 100644 index 1b8921c..0000000 --- a/target/linux/brcm63xx/patches-3.14/323-MIPS-BCM63XX-add-pin-argument-to-dispatch-internal.patch +++ /dev/null @@ -1,70 +0,0 @@ -From a33bb660c712447ba8b561109cda6734954a6efa Mon Sep 17 00:00:00 2001 -From: Jonas Gorski -Date: Fri, 26 Apr 2013 11:21:16 +0200 -Subject: [PATCH 34/53] MIPS: BCM63XX: add pin argument to dispatch internal - -Signed-off-by: Jonas Gorski ---- - arch/mips/bcm63xx/irq.c | 18 ++++++++++-------- - 1 file changed, 10 insertions(+), 8 deletions(-) - ---- a/arch/mips/bcm63xx/irq.c -+++ b/arch/mips/bcm63xx/irq.c -@@ -19,9 +19,10 @@ - #include - #include - -+ - static u32 irq_stat_addr[2]; - static u32 irq_mask_addr[2]; --static void (*dispatch_internal)(void); -+static void (*dispatch_internal)(int pin); - static int is_ext_irq_cascaded; - static unsigned int ext_irq_count; - static unsigned int ext_irq_start, ext_irq_end; -@@ -54,19 +55,20 @@ static inline void handle_internal(int i - */ - - #define BUILD_IPIC_INTERNAL(width) \ --void __dispatch_internal_##width(void) \ -+void __dispatch_internal_##width(int pin) \ - { \ - u32 pending[width / 32]; \ - unsigned int src, tgt; \ - bool irqs_pending = false; \ -- static int i; \ -+ static int i[2]; \ -+ int *next = &i[pin]; \ - \ - /* read registers in reverse order */ \ - for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ - u32 val; \ - \ -- val = bcm_readl(irq_stat_addr[0] + src * sizeof(u32)); \ -- val &= bcm_readl(irq_mask_addr[0] + src * sizeof(u32)); \ -+ val = bcm_readl(irq_stat_addr[pin] + src * sizeof(u32)); \ -+ val &= bcm_readl(irq_mask_addr[pin] + src * sizeof(u32)); \ - pending[--tgt] = val; \ - \ - if (val) \ -@@ -77,9 +79,9 @@ void __dispatch_internal_##width(void) - return; \ - \ - while (1) { \ -- int to_call = i; \ -+ int to_call = *next; \ - \ -- i = (i + 1) & (width - 1); \ -+ *next = (*next + 1) & (width - 1); \ - if (pending[to_call / 32] & (1 << (to_call & 0x1f))) { \ - handle_internal(to_call); \ - break; \ -@@ -129,7 +131,7 @@ asmlinkage void plat_irq_dispatch(void) - if (cause & CAUSEF_IP1) - do_IRQ(1); - if (cause & CAUSEF_IP2) -- dispatch_internal(); -+ dispatch_internal(0); - if (!is_ext_irq_cascaded) { - if (cause & CAUSEF_IP3) - do_IRQ(IRQ_EXT_0); diff --git a/target/linux/brcm63xx/patches-3.14/324-MIPS-BCM63XX-protect-irq-register-accesses.patch b/target/linux/brcm63xx/patches-3.14/324-MIPS-BCM63XX-protect-irq-register-accesses.patch index c38137d..18669a1 100644 --- a/target/linux/brcm63xx/patches-3.14/324-MIPS-BCM63XX-protect-irq-register-accesses.patch +++ b/target/linux/brcm63xx/patches-3.14/324-MIPS-BCM63XX-protect-irq-register-accesses.patch @@ -1,8 +1,12 @@ -From 85257b702e1d4c6dcc839c737833c42ca53bae93 Mon Sep 17 00:00:00 2001 +From 5e86f3988854c62c0788e4820caf722fec7c791b Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Sun, 21 Apr 2013 15:38:56 +0200 -Subject: [PATCH 35/53] MIPS: BCM63XX: protect irq register accesses +Subject: [PATCH 07/10] MIPS: BCM63XX: protect irq register accesses +Since we will have the chance of accessing the registers concurrently, +protect any accesses through a spinlock. + +Signed-off-by: Jonas Gorski --- arch/mips/bcm63xx/irq.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) @@ -26,11 +30,11 @@ Subject: [PATCH 35/53] MIPS: BCM63XX: protect irq register accesses + static u32 irq_stat_addr[2]; static u32 irq_mask_addr[2]; - static void (*dispatch_internal)(int pin); -@@ -62,8 +66,10 @@ void __dispatch_internal_##width(int pin + static void (*dispatch_internal)(int cpu); +@@ -62,8 +66,10 @@ void __dispatch_internal_##width(int cpu bool irqs_pending = false; \ - static int i[2]; \ - int *next = &i[pin]; \ + static unsigned int i[2]; \ + unsigned int *next = &i[cpu]; \ + unsigned long flags; \ \ /* read registers in reverse order */ \ @@ -38,7 +42,7 @@ Subject: [PATCH 35/53] MIPS: BCM63XX: protect irq register accesses for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ u32 val; \ \ -@@ -74,6 +80,7 @@ void __dispatch_internal_##width(int pin +@@ -74,6 +80,7 @@ void __dispatch_internal_##width(int cpu if (val) \ irqs_pending = true; \ } \ @@ -63,12 +67,12 @@ Subject: [PATCH 35/53] MIPS: BCM63XX: protect irq register accesses @@ -105,10 +115,13 @@ static void __internal_irq_unmask_##widt u32 val; \ unsigned reg = (irq / 32) ^ (width/32 - 1); \ - unsigned bit = irq & 0x1f; \ + unsigned bit = irq & 0x1f; \ + unsigned long flags; \ \ + spin_lock_irqsave(&ipic_lock, flags); \ val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32)); \ - val |= (1 << bit); \ + val |= (1 << bit); \ bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32)); \ + spin_unlock_irqrestore(&ipic_lock, flags); \ } diff --git a/target/linux/brcm63xx/patches-3.14/325-MIPS-BCM63XX-wire-up-the-second-cpu-s-irq-line.patch b/target/linux/brcm63xx/patches-3.14/325-MIPS-BCM63XX-wire-up-the-second-cpu-s-irq-line.patch index 189965a..6e84890 100644 --- a/target/linux/brcm63xx/patches-3.14/325-MIPS-BCM63XX-wire-up-the-second-cpu-s-irq-line.patch +++ b/target/linux/brcm63xx/patches-3.14/325-MIPS-BCM63XX-wire-up-the-second-cpu-s-irq-line.patch @@ -1,8 +1,9 @@ -From df6661d1b5c001eb91ce07f364fd5b6468fd6f99 Mon Sep 17 00:00:00 2001 +From 6e74b82aca08a5ecc4d2f0780254468659427e82 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Fri, 26 Apr 2013 12:03:15 +0200 -Subject: [PATCH 36/53] MIPS: BCM63XX: wire up the second cpu's irq line +Subject: [PATCH 08/10] MIPS: BCM63XX: wire up the second cpu's irq line +Signed-off-by: Jonas Gorski --- arch/mips/bcm63xx/irq.c | 44 +++++++++++++++++++++++++++++++++++++------- 1 file changed, 37 insertions(+), 7 deletions(-) @@ -32,13 +33,13 @@ Subject: [PATCH 36/53] MIPS: BCM63XX: wire up the second cpu's irq line \ @@ -116,11 +122,20 @@ static void __internal_irq_unmask_##widt unsigned reg = (irq / 32) ^ (width/32 - 1); \ - unsigned bit = irq & 0x1f; \ + unsigned bit = irq & 0x1f; \ unsigned long flags; \ + int cpu; \ \ spin_lock_irqsave(&ipic_lock, flags); \ - val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32)); \ -- val |= (1 << bit); \ +- val |= (1 << bit); \ - bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32)); \ + for_each_present_cpu(cpu) { \ + if (!irq_mask_addr[cpu]) \ @@ -46,7 +47,7 @@ Subject: [PATCH 36/53] MIPS: BCM63XX: wire up the second cpu's irq line + \ + val = bcm_readl(irq_mask_addr[cpu] + reg * sizeof(u32));\ + if (cpu_online(cpu)) \ -+ val |= (1 << bit); \ ++ val |= (1 << bit); \ + else \ + val &= ~(1 << bit); \ + bcm_writel(val, irq_mask_addr[cpu] + reg * sizeof(u32));\ diff --git a/target/linux/brcm63xx/patches-3.14/326-MIPS-BCM63XX-use-irq_desc-as-argument-for-un-mask.patch b/target/linux/brcm63xx/patches-3.14/326-MIPS-BCM63XX-use-irq_desc-as-argument-for-un-mask.patch index 468cbc3..fc07b4b 100644 --- a/target/linux/brcm63xx/patches-3.14/326-MIPS-BCM63XX-use-irq_desc-as-argument-for-un-mask.patch +++ b/target/linux/brcm63xx/patches-3.14/326-MIPS-BCM63XX-use-irq_desc-as-argument-for-un-mask.patch @@ -1,7 +1,7 @@ -From b665117faa0dfde70689502fc420d72bbf8e6bd4 Mon Sep 17 00:00:00 2001 +From e23dc903cd69d32d407ea1b7310bc9a71e00d359 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Tue, 30 Apr 2013 11:26:53 +0200 -Subject: [PATCH 37/53] MIPS: BCM63XX: use irq_desc as argument for (un)mask +Subject: [PATCH 09/10] MIPS: BCM63XX: use irq_desc as argument for (un)mask In preparation for applying affinity, use the irq descriptor as the argument for (un)mask. @@ -24,7 +24,7 @@ Signed-off-by: Jonas Gorski static inline u32 get_ext_irq_perf_reg(int irq) -@@ -96,9 +96,10 @@ void __dispatch_internal_##width(int pin +@@ -96,9 +96,10 @@ void __dispatch_internal_##width(int cpu } \ } \ \ @@ -42,11 +42,11 @@ Signed-off-by: Jonas Gorski \ -static void __internal_irq_unmask_##width(unsigned int irq) \ +static void __internal_irq_unmask_##width(struct irq_data *d) \ - { \ + { \ u32 val; \ + unsigned irq = d->irq - IRQ_INTERNAL_BASE; \ unsigned reg = (irq / 32) ^ (width/32 - 1); \ - unsigned bit = irq & 0x1f; \ + unsigned bit = irq & 0x1f; \ unsigned long flags; \ @@ -182,12 +184,12 @@ asmlinkage void plat_irq_dispatch(void) */ diff --git a/target/linux/brcm63xx/patches-3.14/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch b/target/linux/brcm63xx/patches-3.14/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch index 9394e23..a625b2e 100644 --- a/target/linux/brcm63xx/patches-3.14/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch +++ b/target/linux/brcm63xx/patches-3.14/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch @@ -1,12 +1,16 @@ -From 9249f2f6a309e3f45c35d16decdcc5b2cadcadb8 Mon Sep 17 00:00:00 2001 +From 23493b47d8caaa59b18627a01bf443c3b50bb530 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Fri, 26 Apr 2013 12:06:03 +0200 -Subject: [PATCH 38/53] MIPS: BCM63XX: allow setting affinity for IPIC +Subject: [PATCH 10/10] MIPS: BCM63XX: allow setting affinity for IPIC + +Wire up the set_affinity call for the internal PIC if booting on +a cpu supporting it. +Affinity is kept to boot cpu as default. Signed-off-by: Jonas Gorski --- - arch/mips/bcm63xx/irq.c | 43 +++++++++++++++++++++++++++++++++++++------ - 1 file changed, 37 insertions(+), 6 deletions(-) + arch/mips/bcm63xx/irq.c | 46 ++++++++++++++++++++++++++++++++++++++++------ + 1 file changed, 40 insertions(+), 6 deletions(-) --- a/arch/mips/bcm63xx/irq.c +++ b/arch/mips/bcm63xx/irq.c @@ -27,8 +31,8 @@ Signed-off-by: Jonas Gorski + const struct cpumask *m) +{ + bool enable = cpu_online(cpu); -+#ifdef CONFIG_SMP + ++#ifdef CONFIG_SMP + if (m) + enable &= cpu_isset(cpu, *m); + else if (irqd_affinity_was_set(d)) @@ -47,7 +51,7 @@ Signed-off-by: Jonas Gorski -static void __internal_irq_unmask_##width(struct irq_data *d) \ +static void __internal_irq_unmask_##width(struct irq_data *d, \ + const struct cpumask *m) \ - { \ + { \ u32 val; \ unsigned irq = d->irq - IRQ_INTERNAL_BASE; \ @@ -132,7 +147,7 @@ static void __internal_irq_unmask_##widt @@ -56,7 +60,7 @@ Signed-off-by: Jonas Gorski val = bcm_readl(irq_mask_addr[cpu] + reg * sizeof(u32));\ - if (cpu_online(cpu)) \ + if (enable_irq_for_cpu(cpu, d, m)) \ - val |= (1 << bit); \ + val |= (1 << bit); \ else \ val &= ~(1 << bit); \ @@ -189,7 +204,7 @@ static void bcm63xx_internal_irq_mask(st @@ -97,7 +101,7 @@ Signed-off-by: Jonas Gorski static struct irq_chip bcm63xx_internal_irq_chip = { .name = "bcm63xx_ipic", .irq_mask = bcm63xx_internal_irq_mask, -@@ -523,7 +551,10 @@ void __init arch_init_irq(void) +@@ -523,7 +551,13 @@ void __init arch_init_irq(void) setup_irq(MIPS_CPU_IRQ_BASE + 2, &cpu_ip2_cascade_action); #ifdef CONFIG_SMP @@ -106,6 +110,9 @@ Signed-off-by: Jonas Gorski setup_irq(MIPS_CPU_IRQ_BASE + 3, &cpu_ip3_cascade_action); + bcm63xx_internal_irq_chip.irq_set_affinity = + bcm63xx_internal_set_affinity; ++ ++ cpumask_clear(irq_default_affinity); ++ cpumask_set_cpu(smp_processor_id(), irq_default_affinity); + } #endif } -- cgit v1.1