From 405f55712dfe464b3240d7816cc4fe4174831be2 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Sat, 11 Jul 2009 22:08:37 +0400 Subject: headers: smp_lock.h redux * Remove smp_lock.h from files which don't need it (including some headers!) * Add smp_lock.h to files which do need it * Make smp_lock.h include conditional in hardirq.h It's needed only for one kernel_locked() usage which is under CONFIG_PREEMPT This will make hardirq.h inclusion cheaper for every PREEMPT=n config (which includes allmodconfig/allyesconfig, BTW) Signed-off-by: Alexey Dobriyan Signed-off-by: Linus Torvalds --- arch/sh/mm/tlb-sh3.c | 1 - 1 file changed, 1 deletion(-) (limited to 'arch/sh') diff --git a/arch/sh/mm/tlb-sh3.c b/arch/sh/mm/tlb-sh3.c index 7fbfd5a11ff..17cb7c3adf2 100644 --- a/arch/sh/mm/tlb-sh3.c +++ b/arch/sh/mm/tlb-sh3.c @@ -18,7 +18,6 @@ #include #include #include -#include #include #include -- cgit v1.2.3 From 0f8ee1874fa80899debc0a0670e2bed0a28d2548 Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Fri, 17 Jul 2009 14:24:55 +0000 Subject: sh: Add support for multiple hwblk counters Extend the SuperH hwblk code to support more than one counter. Contains ground work for the future Runtime PM implementation. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/include/asm/hwblk.h | 13 ++++++- arch/sh/kernel/cpu/hwblk.c | 69 +++++++++++++++++++++++----------- arch/sh/kernel/cpu/sh4a/hwblk-sh7722.c | 4 +- 3 files changed, 60 insertions(+), 26 deletions(-) (limited to 'arch/sh') diff --git a/arch/sh/include/asm/hwblk.h b/arch/sh/include/asm/hwblk.h index 51a46f49663..c01d72cb675 100644 --- a/arch/sh/include/asm/hwblk.h +++ b/arch/sh/include/asm/hwblk.h @@ -4,6 +4,9 @@ #include #include +#define HWBLK_CNT_USAGE 0 +#define HWBLK_CNT_NR 1 + #define HWBLK_AREA_FLAG_PARENT (1 << 0) /* valid parent */ #define HWBLK_AREA(_flags, _parent) \ @@ -13,7 +16,7 @@ } struct hwblk_area { - unsigned long cnt; + int cnt[HWBLK_CNT_NR]; unsigned char parent; unsigned char flags; }; @@ -29,7 +32,7 @@ struct hwblk { void __iomem *mstp; unsigned char bit; unsigned char area; - unsigned long cnt; + int cnt[HWBLK_CNT_NR]; }; struct hwblk_info { @@ -46,6 +49,12 @@ int arch_hwblk_sleep_mode(void); int hwblk_register(struct hwblk_info *info); int hwblk_init(void); +void hwblk_enable(struct hwblk_info *info, int hwblk); +void hwblk_disable(struct hwblk_info *info, int hwblk); + +void hwblk_cnt_inc(struct hwblk_info *info, int hwblk, int cnt); +void hwblk_cnt_dec(struct hwblk_info *info, int hwblk, int cnt); + /* allow clocks to enable and disable hardware blocks */ #define SH_HWBLK_CLK(_name, _id, _parent, _hwblk, _flags) \ { \ diff --git a/arch/sh/kernel/cpu/hwblk.c b/arch/sh/kernel/cpu/hwblk.c index 7c3a73deff2..c0ad7d46e78 100644 --- a/arch/sh/kernel/cpu/hwblk.c +++ b/arch/sh/kernel/cpu/hwblk.c @@ -9,38 +9,64 @@ static DEFINE_SPINLOCK(hwblk_lock); -static void hwblk_area_inc(struct hwblk_info *info, int area) +static void hwblk_area_mod_cnt(struct hwblk_info *info, + int area, int counter, int value, int goal) { struct hwblk_area *hap = info->areas + area; - hap->cnt++; - if (hap->cnt == 1) - if (hap->flags & HWBLK_AREA_FLAG_PARENT) - hwblk_area_inc(info, hap->parent); + hap->cnt[counter] += value; + + if (hap->cnt[counter] != goal) + return; + + if (hap->flags & HWBLK_AREA_FLAG_PARENT) + hwblk_area_mod_cnt(info, hap->parent, counter, value, goal); } -static void hwblk_area_dec(struct hwblk_info *info, int area) + +static int __hwblk_mod_cnt(struct hwblk_info *info, int hwblk, + int counter, int value, int goal) { - struct hwblk_area *hap = info->areas + area; + struct hwblk *hp = info->hwblks + hwblk; + + hp->cnt[counter] += value; + if (hp->cnt[counter] == goal) + hwblk_area_mod_cnt(info, hp->area, counter, value, goal); - if (hap->cnt == 1) - if (hap->flags & HWBLK_AREA_FLAG_PARENT) - hwblk_area_dec(info, hap->parent); - hap->cnt--; + return hp->cnt[counter]; } -static void hwblk_enable(struct hwblk_info *info, int hwblk) +static void hwblk_mod_cnt(struct hwblk_info *info, int hwblk, + int counter, int value, int goal) +{ + unsigned long flags; + + spin_lock_irqsave(&hwblk_lock, flags); + __hwblk_mod_cnt(info, hwblk, counter, value, goal); + spin_unlock_irqrestore(&hwblk_lock, flags); +} + +void hwblk_cnt_inc(struct hwblk_info *info, int hwblk, int counter) +{ + hwblk_mod_cnt(info, hwblk, counter, 1, 1); +} + +void hwblk_cnt_dec(struct hwblk_info *info, int hwblk, int counter) +{ + hwblk_mod_cnt(info, hwblk, counter, -1, 0); +} + +void hwblk_enable(struct hwblk_info *info, int hwblk) { struct hwblk *hp = info->hwblks + hwblk; unsigned long tmp; unsigned long flags; + int ret; spin_lock_irqsave(&hwblk_lock, flags); - hp->cnt++; - if (hp->cnt == 1) { - hwblk_area_inc(info, hp->area); - + ret = __hwblk_mod_cnt(info, hwblk, HWBLK_CNT_USAGE, 1, 1); + if (ret == 1) { tmp = __raw_readl(hp->mstp); tmp &= ~(1 << hp->bit); __raw_writel(tmp, hp->mstp); @@ -49,27 +75,26 @@ static void hwblk_enable(struct hwblk_info *info, int hwblk) spin_unlock_irqrestore(&hwblk_lock, flags); } -static void hwblk_disable(struct hwblk_info *info, int hwblk) +void hwblk_disable(struct hwblk_info *info, int hwblk) { struct hwblk *hp = info->hwblks + hwblk; unsigned long tmp; unsigned long flags; + int ret; spin_lock_irqsave(&hwblk_lock, flags); - if (hp->cnt == 1) { - hwblk_area_dec(info, hp->area); - + ret = __hwblk_mod_cnt(info, hwblk, HWBLK_CNT_USAGE, -1, 0); + if (ret == 0) { tmp = __raw_readl(hp->mstp); tmp |= 1 << hp->bit; __raw_writel(tmp, hp->mstp); } - hp->cnt--; spin_unlock_irqrestore(&hwblk_lock, flags); } -static struct hwblk_info *hwblk_info; +struct hwblk_info *hwblk_info; int __init hwblk_register(struct hwblk_info *info) { diff --git a/arch/sh/kernel/cpu/sh4a/hwblk-sh7722.c b/arch/sh/kernel/cpu/sh4a/hwblk-sh7722.c index 00a1c02d82b..a288b5d9234 100644 --- a/arch/sh/kernel/cpu/sh4a/hwblk-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/hwblk-sh7722.c @@ -91,10 +91,10 @@ static struct hwblk_info sh7722_hwblk_info = { int arch_hwblk_sleep_mode(void) { - if (!sh7722_hwblk_area[CORE_AREA].cnt) + if (!sh7722_hwblk_area[CORE_AREA].cnt[HWBLK_CNT_USAGE]) return SUSP_SH_STANDBY | SUSP_SH_SF; - if (!sh7722_hwblk_area[CORE_AREA_BM].cnt) + if (!sh7722_hwblk_area[CORE_AREA_BM].cnt[HWBLK_CNT_USAGE]) return SUSP_SH_SLEEP | SUSP_SH_SF; return SUSP_SH_SLEEP; -- cgit v1.2.3 From 2094e504a7489a2d774d544592360e578d9325f8 Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Fri, 17 Jul 2009 14:43:38 +0000 Subject: sh: hwblk support for sh7723 This patch adds hwblk support for the sh7723 processor. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/include/cpu-sh4/cpu/sh7723.h | 17 +++++ arch/sh/kernel/cpu/sh4a/Makefile | 2 +- arch/sh/kernel/cpu/sh4a/clock-sh7723.c | 110 ++++++++++++++++--------------- arch/sh/kernel/cpu/sh4a/hwblk-sh7723.c | 117 +++++++++++++++++++++++++++++++++ 4 files changed, 193 insertions(+), 53 deletions(-) create mode 100644 arch/sh/kernel/cpu/sh4a/hwblk-sh7723.c (limited to 'arch/sh') diff --git a/arch/sh/include/cpu-sh4/cpu/sh7723.h b/arch/sh/include/cpu-sh4/cpu/sh7723.h index 14c8ca93678..9b36fae7232 100644 --- a/arch/sh/include/cpu-sh4/cpu/sh7723.h +++ b/arch/sh/include/cpu-sh4/cpu/sh7723.h @@ -265,4 +265,21 @@ enum { GPIO_FN_IDEA1, GPIO_FN_IDEA0, }; +enum { + HWBLK_UNKNOWN = 0, + HWBLK_TLB, HWBLK_IC, HWBLK_OC, HWBLK_L2C, HWBLK_ILMEM, HWBLK_FPU, + HWBLK_INTC, HWBLK_DMAC0, HWBLK_SHYWAY, + HWBLK_HUDI, HWBLK_DBG, HWBLK_UBC, HWBLK_SUBC, + HWBLK_TMU0, HWBLK_CMT, HWBLK_RWDT, HWBLK_DMAC1, HWBLK_TMU1, + HWBLK_FLCTL, + HWBLK_SCIF0, HWBLK_SCIF1, HWBLK_SCIF2, + HWBLK_SCIF3, HWBLK_SCIF4, HWBLK_SCIF5, + HWBLK_MSIOF0, HWBLK_MSIOF1, HWBLK_MERAM, HWBLK_IIC, HWBLK_RTC, + HWBLK_ATAPI, HWBLK_ADC, HWBLK_TPU, HWBLK_IRDA, HWBLK_TSIF, HWBLK_ICB, + HWBLK_SDHI0, HWBLK_SDHI1, HWBLK_KEYSC, HWBLK_USB, + HWBLK_2DG, HWBLK_SIU, HWBLK_VEU2H1, HWBLK_VOU, HWBLK_BEU, HWBLK_CEU, + HWBLK_VEU2H0, HWBLK_VPU, HWBLK_LCDC, + HWBLK_NR, +}; + #endif /* __ASM_SH7723_H__ */ diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile index 3cafda69637..1d7ae38bc61 100644 --- a/arch/sh/kernel/cpu/sh4a/Makefile +++ b/arch/sh/kernel/cpu/sh4a/Makefile @@ -26,7 +26,7 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7785) := clock-sh7785.o clock-$(CONFIG_CPU_SUBTYPE_SH7786) := clock-sh7786.o clock-$(CONFIG_CPU_SUBTYPE_SH7343) := clock-sh7343.o clock-$(CONFIG_CPU_SUBTYPE_SH7722) := clock-sh7722.o hwblk-sh7722.o -clock-$(CONFIG_CPU_SUBTYPE_SH7723) := clock-sh7723.o +clock-$(CONFIG_CPU_SUBTYPE_SH7723) := clock-sh7723.o hwblk-sh7723.o clock-$(CONFIG_CPU_SUBTYPE_SH7724) := clock-sh7724.o clock-$(CONFIG_CPU_SUBTYPE_SH7366) := clock-sh7366.o clock-$(CONFIG_CPU_SUBTYPE_SHX3) := clock-shx3.o diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7723.c b/arch/sh/kernel/cpu/sh4a/clock-sh7723.c index e67c2678b8a..bf64c78eee3 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7723.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7723.c @@ -22,6 +22,8 @@ #include #include #include +#include +#include /* SH7723 registers */ #define FRQCR 0xa4150000 @@ -140,60 +142,64 @@ struct clk div6_clks[] = { SH_CLK_DIV6("video_clk", &pll_clk, VCLKCR, 0), }; -#define MSTP(_str, _parent, _reg, _bit, _force_on, _need_cpg, _need_ram) \ - SH_CLK_MSTP32(_str, -1, _parent, _reg, _bit, _force_on * CLK_ENABLE_ON_INIT) +#define R_CLK (&r_clk) +#define P_CLK (&div4_clks[DIV4_P]) +#define B_CLK (&div4_clks[DIV4_B]) +#define U_CLK (&div4_clks[DIV4_U]) +#define I_CLK (&div4_clks[DIV4_I]) +#define SH_CLK (&div4_clks[DIV4_SH]) static struct clk mstp_clks[] = { /* See page 60 of Datasheet V1.0: Overview -> Block Diagram */ - MSTP("tlb0", &div4_clks[DIV4_I], MSTPCR0, 31, 1, 1, 0), - MSTP("ic0", &div4_clks[DIV4_I], MSTPCR0, 30, 1, 1, 0), - MSTP("oc0", &div4_clks[DIV4_I], MSTPCR0, 29, 1, 1, 0), - MSTP("l2c0", &div4_clks[DIV4_SH], MSTPCR0, 28, 1, 1, 0), - MSTP("ilmem0", &div4_clks[DIV4_I], MSTPCR0, 27, 1, 1, 0), - MSTP("fpu0", &div4_clks[DIV4_I], MSTPCR0, 24, 1, 1, 0), - MSTP("intc0", &div4_clks[DIV4_I], MSTPCR0, 22, 1, 1, 0), - MSTP("dmac0", &div4_clks[DIV4_B], MSTPCR0, 21, 0, 1, 1), - MSTP("sh0", &div4_clks[DIV4_SH], MSTPCR0, 20, 0, 1, 0), - MSTP("hudi0", &div4_clks[DIV4_P], MSTPCR0, 19, 0, 1, 0), - MSTP("ubc0", &div4_clks[DIV4_I], MSTPCR0, 17, 0, 1, 0), - MSTP("tmu0", &div4_clks[DIV4_P], MSTPCR0, 15, 0, 1, 0), - MSTP("cmt0", &r_clk, MSTPCR0, 14, 0, 0, 0), - MSTP("rwdt0", &r_clk, MSTPCR0, 13, 0, 0, 0), - MSTP("dmac1", &div4_clks[DIV4_B], MSTPCR0, 12, 0, 1, 1), - MSTP("tmu1", &div4_clks[DIV4_P], MSTPCR0, 11, 0, 1, 0), - MSTP("flctl0", &div4_clks[DIV4_P], MSTPCR0, 10, 0, 1, 0), - MSTP("scif0", &div4_clks[DIV4_P], MSTPCR0, 9, 0, 1, 0), - MSTP("scif1", &div4_clks[DIV4_P], MSTPCR0, 8, 0, 1, 0), - MSTP("scif2", &div4_clks[DIV4_P], MSTPCR0, 7, 0, 1, 0), - MSTP("scif3", &div4_clks[DIV4_B], MSTPCR0, 6, 0, 1, 0), - MSTP("scif4", &div4_clks[DIV4_B], MSTPCR0, 5, 0, 1, 0), - MSTP("scif5", &div4_clks[DIV4_B], MSTPCR0, 4, 0, 1, 0), - MSTP("msiof0", &div4_clks[DIV4_B], MSTPCR0, 2, 0, 1, 0), - MSTP("msiof1", &div4_clks[DIV4_B], MSTPCR0, 1, 0, 1, 0), - MSTP("meram0", &div4_clks[DIV4_SH], MSTPCR0, 0, 1, 1, 0), - - MSTP("i2c0", &div4_clks[DIV4_P], MSTPCR1, 9, 0, 1, 0), - MSTP("rtc0", &r_clk, MSTPCR1, 8, 0, 0, 0), - - MSTP("atapi0", &div4_clks[DIV4_SH], MSTPCR2, 28, 0, 1, 0), - MSTP("adc0", &div4_clks[DIV4_P], MSTPCR2, 27, 0, 1, 0), - MSTP("tpu0", &div4_clks[DIV4_B], MSTPCR2, 25, 0, 1, 0), - MSTP("irda0", &div4_clks[DIV4_P], MSTPCR2, 24, 0, 1, 0), - MSTP("tsif0", &div4_clks[DIV4_B], MSTPCR2, 22, 0, 1, 0), - MSTP("icb0", &div4_clks[DIV4_B], MSTPCR2, 21, 0, 1, 1), - MSTP("sdhi0", &div4_clks[DIV4_B], MSTPCR2, 18, 0, 1, 0), - MSTP("sdhi1", &div4_clks[DIV4_B], MSTPCR2, 17, 0, 1, 0), - MSTP("keysc0", &r_clk, MSTPCR2, 14, 0, 0, 0), - MSTP("usb0", &div4_clks[DIV4_B], MSTPCR2, 11, 0, 1, 0), - MSTP("2dg0", &div4_clks[DIV4_B], MSTPCR2, 10, 0, 1, 1), - MSTP("siu0", &div4_clks[DIV4_B], MSTPCR2, 8, 0, 1, 0), - MSTP("veu1", &div4_clks[DIV4_B], MSTPCR2, 6, 1, 1, 1), - MSTP("vou0", &div4_clks[DIV4_B], MSTPCR2, 5, 0, 1, 1), - MSTP("beu0", &div4_clks[DIV4_B], MSTPCR2, 4, 0, 1, 1), - MSTP("ceu0", &div4_clks[DIV4_B], MSTPCR2, 3, 0, 1, 1), - MSTP("veu0", &div4_clks[DIV4_B], MSTPCR2, 2, 1, 1, 1), - MSTP("vpu0", &div4_clks[DIV4_B], MSTPCR2, 1, 1, 1, 1), - MSTP("lcdc0", &div4_clks[DIV4_B], MSTPCR2, 0, 0, 1, 1), + SH_HWBLK_CLK("tlb0", -1, I_CLK, HWBLK_TLB, CLK_ENABLE_ON_INIT), + SH_HWBLK_CLK("ic0", -1, I_CLK, HWBLK_IC, CLK_ENABLE_ON_INIT), + SH_HWBLK_CLK("oc0", -1, I_CLK, HWBLK_OC, CLK_ENABLE_ON_INIT), + SH_HWBLK_CLK("l2c0", -1, SH_CLK, HWBLK_L2C, CLK_ENABLE_ON_INIT), + SH_HWBLK_CLK("ilmem0", -1, I_CLK, HWBLK_ILMEM, CLK_ENABLE_ON_INIT), + SH_HWBLK_CLK("fpu0", -1, I_CLK, HWBLK_FPU, CLK_ENABLE_ON_INIT), + SH_HWBLK_CLK("intc0", -1, I_CLK, HWBLK_INTC, CLK_ENABLE_ON_INIT), + SH_HWBLK_CLK("dmac0", -1, B_CLK, HWBLK_DMAC0, 0), + SH_HWBLK_CLK("sh0", -1, SH_CLK, HWBLK_SHYWAY, CLK_ENABLE_ON_INIT), + SH_HWBLK_CLK("hudi0", -1, P_CLK, HWBLK_HUDI, 0), + SH_HWBLK_CLK("ubc0", -1, I_CLK, HWBLK_UBC, 0), + SH_HWBLK_CLK("tmu0", -1, P_CLK, HWBLK_TMU0, 0), + SH_HWBLK_CLK("cmt0", -1, R_CLK, HWBLK_CMT, 0), + SH_HWBLK_CLK("rwdt0", -1, R_CLK, HWBLK_RWDT, 0), + SH_HWBLK_CLK("dmac1", -1, B_CLK, HWBLK_DMAC1, 0), + SH_HWBLK_CLK("tmu1", -1, P_CLK, HWBLK_TMU1, 0), + SH_HWBLK_CLK("flctl0", -1, P_CLK, HWBLK_FLCTL, 0), + SH_HWBLK_CLK("scif0", -1, P_CLK, HWBLK_SCIF0, 0), + SH_HWBLK_CLK("scif1", -1, P_CLK, HWBLK_SCIF1, 0), + SH_HWBLK_CLK("scif2", -1, P_CLK, HWBLK_SCIF2, 0), + SH_HWBLK_CLK("scif3", -1, B_CLK, HWBLK_SCIF3, 0), + SH_HWBLK_CLK("scif4", -1, B_CLK, HWBLK_SCIF4, 0), + SH_HWBLK_CLK("scif5", -1, B_CLK, HWBLK_SCIF5, 0), + SH_HWBLK_CLK("msiof0", -1, B_CLK, HWBLK_MSIOF0, 0), + SH_HWBLK_CLK("msiof1", -1, B_CLK, HWBLK_MSIOF1, 0), + SH_HWBLK_CLK("meram0", -1, SH_CLK, HWBLK_MERAM, 0), + + SH_HWBLK_CLK("i2c0", -1, P_CLK, HWBLK_IIC, 0), + SH_HWBLK_CLK("rtc0", -1, R_CLK, HWBLK_RTC, 0), + + SH_HWBLK_CLK("atapi0", -1, SH_CLK, HWBLK_ATAPI, 0), + SH_HWBLK_CLK("adc0", -1, P_CLK, HWBLK_ADC, 0), + SH_HWBLK_CLK("tpu0", -1, B_CLK, HWBLK_TPU, 0), + SH_HWBLK_CLK("irda0", -1, P_CLK, HWBLK_IRDA, 0), + SH_HWBLK_CLK("tsif0", -1, B_CLK, HWBLK_TSIF, 0), + SH_HWBLK_CLK("icb0", -1, B_CLK, HWBLK_ICB, CLK_ENABLE_ON_INIT), + SH_HWBLK_CLK("sdhi0", -1, B_CLK, HWBLK_SDHI0, 0), + SH_HWBLK_CLK("sdhi1", -1, B_CLK, HWBLK_SDHI1, 0), + SH_HWBLK_CLK("keysc0", -1, R_CLK, HWBLK_KEYSC, 0), + SH_HWBLK_CLK("usb0", -1, B_CLK, HWBLK_USB, 0), + SH_HWBLK_CLK("2dg0", -1, B_CLK, HWBLK_2DG, 0), + SH_HWBLK_CLK("siu0", -1, B_CLK, HWBLK_SIU, 0), + SH_HWBLK_CLK("veu1", -1, B_CLK, HWBLK_VEU2H1, CLK_ENABLE_ON_INIT), + SH_HWBLK_CLK("vou0", -1, B_CLK, HWBLK_VOU, 0), + SH_HWBLK_CLK("beu0", -1, B_CLK, HWBLK_BEU, 0), + SH_HWBLK_CLK("ceu0", -1, B_CLK, HWBLK_CEU, 0), + SH_HWBLK_CLK("veu0", -1, B_CLK, HWBLK_VEU2H0, CLK_ENABLE_ON_INIT), + SH_HWBLK_CLK("vpu0", -1, B_CLK, HWBLK_VPU, CLK_ENABLE_ON_INIT), + SH_HWBLK_CLK("lcdc0", -1, B_CLK, HWBLK_LCDC, 0), }; int __init arch_clk_init(void) @@ -216,7 +222,7 @@ int __init arch_clk_init(void) ret = sh_clk_div6_register(div6_clks, ARRAY_SIZE(div6_clks)); if (!ret) - ret = sh_clk_mstp32_register(mstp_clks, ARRAY_SIZE(mstp_clks)); + ret = sh_hwblk_clk_register(mstp_clks, ARRAY_SIZE(mstp_clks)); return ret; } diff --git a/arch/sh/kernel/cpu/sh4a/hwblk-sh7723.c b/arch/sh/kernel/cpu/sh4a/hwblk-sh7723.c new file mode 100644 index 00000000000..a7f4684d203 --- /dev/null +++ b/arch/sh/kernel/cpu/sh4a/hwblk-sh7723.c @@ -0,0 +1,117 @@ +/* + * arch/sh/kernel/cpu/sh4a/hwblk-sh7723.c + * + * SH7723 hardware block support + * + * Copyright (C) 2009 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include +#include +#include +#include +#include +#include + +/* SH7723 registers */ +#define MSTPCR0 0xa4150030 +#define MSTPCR1 0xa4150034 +#define MSTPCR2 0xa4150038 + +/* SH7723 Power Domains */ +enum { CORE_AREA, SUB_AREA, CORE_AREA_BM }; +static struct hwblk_area sh7723_hwblk_area[] = { + [CORE_AREA] = HWBLK_AREA(0, 0), + [CORE_AREA_BM] = HWBLK_AREA(HWBLK_AREA_FLAG_PARENT, CORE_AREA), + [SUB_AREA] = HWBLK_AREA(0, 0), +}; + +/* Table mapping HWBLK to Module Stop Bit and Power Domain */ +static struct hwblk sh7723_hwblk[HWBLK_NR] = { + [HWBLK_TLB] = HWBLK(MSTPCR0, 31, CORE_AREA), + [HWBLK_IC] = HWBLK(MSTPCR0, 30, CORE_AREA), + [HWBLK_OC] = HWBLK(MSTPCR0, 29, CORE_AREA), + [HWBLK_L2C] = HWBLK(MSTPCR0, 28, CORE_AREA), + [HWBLK_ILMEM] = HWBLK(MSTPCR0, 27, CORE_AREA), + [HWBLK_FPU] = HWBLK(MSTPCR0, 24, CORE_AREA), + [HWBLK_INTC] = HWBLK(MSTPCR0, 22, CORE_AREA), + [HWBLK_DMAC0] = HWBLK(MSTPCR0, 21, CORE_AREA_BM), + [HWBLK_SHYWAY] = HWBLK(MSTPCR0, 20, CORE_AREA), + [HWBLK_HUDI] = HWBLK(MSTPCR0, 19, CORE_AREA), + [HWBLK_DBG] = HWBLK(MSTPCR0, 18, CORE_AREA), + [HWBLK_UBC] = HWBLK(MSTPCR0, 17, CORE_AREA), + [HWBLK_SUBC] = HWBLK(MSTPCR0, 16, CORE_AREA), + [HWBLK_TMU0] = HWBLK(MSTPCR0, 15, CORE_AREA), + [HWBLK_CMT] = HWBLK(MSTPCR0, 14, SUB_AREA), + [HWBLK_RWDT] = HWBLK(MSTPCR0, 13, SUB_AREA), + [HWBLK_DMAC1] = HWBLK(MSTPCR0, 12, CORE_AREA_BM), + [HWBLK_TMU1] = HWBLK(MSTPCR0, 11, CORE_AREA), + [HWBLK_FLCTL] = HWBLK(MSTPCR0, 10, CORE_AREA), + [HWBLK_SCIF0] = HWBLK(MSTPCR0, 9, CORE_AREA), + [HWBLK_SCIF1] = HWBLK(MSTPCR0, 8, CORE_AREA), + [HWBLK_SCIF2] = HWBLK(MSTPCR0, 7, CORE_AREA), + [HWBLK_SCIF3] = HWBLK(MSTPCR0, 6, CORE_AREA), + [HWBLK_SCIF4] = HWBLK(MSTPCR0, 5, CORE_AREA), + [HWBLK_SCIF5] = HWBLK(MSTPCR0, 4, CORE_AREA), + [HWBLK_MSIOF0] = HWBLK(MSTPCR0, 2, CORE_AREA), + [HWBLK_MSIOF1] = HWBLK(MSTPCR0, 1, CORE_AREA), + [HWBLK_MERAM] = HWBLK(MSTPCR0, 0, CORE_AREA), + + [HWBLK_IIC] = HWBLK(MSTPCR1, 9, CORE_AREA), + [HWBLK_RTC] = HWBLK(MSTPCR1, 8, SUB_AREA), + + [HWBLK_ATAPI] = HWBLK(MSTPCR2, 28, CORE_AREA_BM), + [HWBLK_ADC] = HWBLK(MSTPCR2, 27, CORE_AREA), + [HWBLK_TPU] = HWBLK(MSTPCR2, 25, CORE_AREA), + [HWBLK_IRDA] = HWBLK(MSTPCR2, 24, CORE_AREA), + [HWBLK_TSIF] = HWBLK(MSTPCR2, 22, CORE_AREA), + [HWBLK_ICB] = HWBLK(MSTPCR2, 21, CORE_AREA_BM), + [HWBLK_SDHI0] = HWBLK(MSTPCR2, 18, CORE_AREA), + [HWBLK_SDHI1] = HWBLK(MSTPCR2, 17, CORE_AREA), + [HWBLK_KEYSC] = HWBLK(MSTPCR2, 14, SUB_AREA), + [HWBLK_USB] = HWBLK(MSTPCR2, 11, CORE_AREA), + [HWBLK_2DG] = HWBLK(MSTPCR2, 10, CORE_AREA_BM), + [HWBLK_SIU] = HWBLK(MSTPCR2, 8, CORE_AREA), + [HWBLK_VEU2H1] = HWBLK(MSTPCR2, 6, CORE_AREA_BM), + [HWBLK_VOU] = HWBLK(MSTPCR2, 5, CORE_AREA_BM), + [HWBLK_BEU] = HWBLK(MSTPCR2, 4, CORE_AREA_BM), + [HWBLK_CEU] = HWBLK(MSTPCR2, 3, CORE_AREA_BM), + [HWBLK_VEU2H0] = HWBLK(MSTPCR2, 2, CORE_AREA_BM), + [HWBLK_VPU] = HWBLK(MSTPCR2, 1, CORE_AREA_BM), + [HWBLK_LCDC] = HWBLK(MSTPCR2, 0, CORE_AREA_BM), +}; + +static struct hwblk_info sh7723_hwblk_info = { + .areas = sh7723_hwblk_area, + .nr_areas = ARRAY_SIZE(sh7723_hwblk_area), + .hwblks = sh7723_hwblk, + .nr_hwblks = ARRAY_SIZE(sh7723_hwblk), +}; + +int arch_hwblk_sleep_mode(void) +{ + if (!sh7723_hwblk_area[CORE_AREA].cnt[HWBLK_CNT_USAGE]) + return SUSP_SH_STANDBY | SUSP_SH_SF; + + if (!sh7723_hwblk_area[CORE_AREA_BM].cnt[HWBLK_CNT_USAGE]) + return SUSP_SH_SLEEP | SUSP_SH_SF; + + return SUSP_SH_SLEEP; +} + +int __init arch_hwblk_init(void) +{ + return hwblk_register(&sh7723_hwblk_info); +} -- cgit v1.2.3 From 719a72b7c75bb239ca6184190ab994b71a31c6dc Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Fri, 17 Jul 2009 14:59:55 +0000 Subject: usb: r8a66597-hcd platform data on_chip support Convert the r8a66597-hcd driver to use the on_chip flag from platform data to enable on chip behaviour instead of relying on CONFIG_SUPERH_ON_CHIP_R8A66597 ugliness. This makes the code cleaner and also allows us to support both external and internal r8a66597 with the same kernel. It also makes the Kconfig part more future proof since we with this patch can add support for new processors with on-chip r8a66597 without modifying the Kconfig. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/boards/mach-se/7724/setup.c | 1 + arch/sh/kernel/cpu/sh4a/setup-sh7366.c | 2 +- arch/sh/kernel/cpu/sh4a/setup-sh7723.c | 2 +- 3 files changed, 3 insertions(+), 2 deletions(-) (limited to 'arch/sh') diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c index 8fed45a2fb8..4fb7e48e284 100644 --- a/arch/sh/boards/mach-se/7724/setup.c +++ b/arch/sh/boards/mach-se/7724/setup.c @@ -304,6 +304,7 @@ static struct platform_device sh_eth_device = { }; static struct r8a66597_platdata sh7724_usb0_host_data = { + .on_chip = 1, }; static struct resource sh7724_usb0_host_resources[] = { diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c index c18f7d09281..f6d20881356 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c @@ -40,7 +40,7 @@ static struct platform_device iic_device = { }; static struct r8a66597_platdata r8a66597_data = { - /* This set zero to all members */ + .on_chip = 1, }; static struct resource usb_host_resources[] = { diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c index e1bb80b2a27..28516499a2c 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c @@ -398,7 +398,7 @@ static struct platform_device rtc_device = { }; static struct r8a66597_platdata r8a66597_data = { - /* This set zero to all members */ + .on_chip = 1, }; static struct resource sh7723_usb_host_resources[] = { -- cgit v1.2.3