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sh: sh7724: use runtime PM implementation, common with arm/mach-shmobile

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Switch sh7724 to a runtime PM implementation, common with ARM-based
sh-mobile platforms.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Guennadi Liakhovetski 2011-11-17 14:55:47 +01:00 committed by Paul Mundt
parent d03299ee60
commit 8cc88a55b0
7 changed files with 89 additions and 198 deletions
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5
arch/sh/include/asm/hwblk.h
View File

@ -44,6 +44,7 @@ struct hwblk_info {
int nr_hwblks;
};
#if !defined(CONFIG_CPU_SUBTYPE_SH7724)
/* Should be defined by processor-specific code */
int arch_hwblk_init(void);
int arch_hwblk_sleep_mode(void);
@ -66,5 +67,7 @@ void hwblk_cnt_dec(struct hwblk_info *info, int hwblk, int cnt);
}
int sh_hwblk_clk_register(struct clk *clks, int nr);
#else
#define hwblk_init() 0
#endif
#endif /* __ASM_SH_HWBLK_H */

5
arch/sh/kernel/cpu/Makefile
View File

@ -18,4 +18,7 @@ obj-$(CONFIG_ARCH_SHMOBILE) += shmobile/
obj-$(CONFIG_SH_ADC) += adc.o
obj-$(CONFIG_SH_CLK_CPG_LEGACY) += clock-cpg.o
obj-y += irq/ init.o clock.o fpu.o hwblk.o proc.o
obj-y += irq/ init.o clock.o fpu.o proc.o
ifneq ($(CONFIG_CPU_SUBTYPE_SH7724),y)
obj-y += hwblk.o
endif

2
arch/sh/kernel/cpu/sh4a/Makefile
View File

@ -29,7 +29,7 @@ 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 hwblk-sh7723.o
clock-$(CONFIG_CPU_SUBTYPE_SH7724) := clock-sh7724.o hwblk-sh7724.o
clock-$(CONFIG_CPU_SUBTYPE_SH7724) := clock-sh7724.o
clock-$(CONFIG_CPU_SUBTYPE_SH7366) := clock-sh7366.o
clock-$(CONFIG_CPU_SUBTYPE_SHX3) := clock-shx3.o

151
arch/sh/kernel/cpu/sh4a/clock-sh7724.c
View File

@ -23,8 +23,8 @@
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/sh_clk.h>
#include <asm/clock.h>
#include <asm/hwblk.h>
#include <cpu/sh7724.h>
/* SH7724 registers */
@ -35,6 +35,9 @@
#define FCLKBCR 0xa415000c
#define IRDACLKCR 0xa4150018
#define PLLCR 0xa4150024
#define MSTPCR0 0xa4150030
#define MSTPCR1 0xa4150034
#define MSTPCR2 0xa4150038
#define SPUCLKCR 0xa415003c
#define FLLFRQ 0xa4150050
#define LSTATS 0xa4150060
@ -196,60 +199,60 @@ static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = {
};
static struct clk mstp_clks[HWBLK_NR] = {
SH_HWBLK_CLK(HWBLK_TLB, &div4_clks[DIV4_I], CLK_ENABLE_ON_INIT),
SH_HWBLK_CLK(HWBLK_IC, &div4_clks[DIV4_I], CLK_ENABLE_ON_INIT),
SH_HWBLK_CLK(HWBLK_OC, &div4_clks[DIV4_I], CLK_ENABLE_ON_INIT),
SH_HWBLK_CLK(HWBLK_RSMEM, &div4_clks[DIV4_B], CLK_ENABLE_ON_INIT),
SH_HWBLK_CLK(HWBLK_ILMEM, &div4_clks[DIV4_I], CLK_ENABLE_ON_INIT),
SH_HWBLK_CLK(HWBLK_L2C, &div4_clks[DIV4_SH], CLK_ENABLE_ON_INIT),
SH_HWBLK_CLK(HWBLK_FPU, &div4_clks[DIV4_I], CLK_ENABLE_ON_INIT),
SH_HWBLK_CLK(HWBLK_INTC, &div4_clks[DIV4_P], CLK_ENABLE_ON_INIT),
SH_HWBLK_CLK(HWBLK_DMAC0, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_SHYWAY, &div4_clks[DIV4_SH], CLK_ENABLE_ON_INIT),
SH_HWBLK_CLK(HWBLK_HUDI, &div4_clks[DIV4_P], 0),
SH_HWBLK_CLK(HWBLK_UBC, &div4_clks[DIV4_I], 0),
SH_HWBLK_CLK(HWBLK_TMU0, &div4_clks[DIV4_P], 0),
SH_HWBLK_CLK(HWBLK_CMT, &r_clk, 0),
SH_HWBLK_CLK(HWBLK_RWDT, &r_clk, 0),
SH_HWBLK_CLK(HWBLK_DMAC1, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_TMU1, &div4_clks[DIV4_P], 0),
SH_HWBLK_CLK(HWBLK_SCIF0, &div4_clks[DIV4_P], 0),
SH_HWBLK_CLK(HWBLK_SCIF1, &div4_clks[DIV4_P], 0),
SH_HWBLK_CLK(HWBLK_SCIF2, &div4_clks[DIV4_P], 0),
SH_HWBLK_CLK(HWBLK_SCIF3, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_SCIF4, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_SCIF5, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_MSIOF0, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_MSIOF1, &div4_clks[DIV4_B], 0),
[HWBLK_TLB] = SH_CLK_MSTP32(&div4_clks[DIV4_I], MSTPCR0, 31, CLK_ENABLE_ON_INIT),
[HWBLK_IC] = SH_CLK_MSTP32(&div4_clks[DIV4_I], MSTPCR0, 30, CLK_ENABLE_ON_INIT),
[HWBLK_OC] = SH_CLK_MSTP32(&div4_clks[DIV4_I], MSTPCR0, 29, CLK_ENABLE_ON_INIT),
[HWBLK_RSMEM] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR0, 28, CLK_ENABLE_ON_INIT),
[HWBLK_ILMEM] = SH_CLK_MSTP32(&div4_clks[DIV4_I], MSTPCR0, 27, CLK_ENABLE_ON_INIT),
[HWBLK_L2C] = SH_CLK_MSTP32(&div4_clks[DIV4_SH], MSTPCR0, 26, CLK_ENABLE_ON_INIT),
[HWBLK_FPU] = SH_CLK_MSTP32(&div4_clks[DIV4_I], MSTPCR0, 24, CLK_ENABLE_ON_INIT),
[HWBLK_INTC] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 22, CLK_ENABLE_ON_INIT),
[HWBLK_DMAC0] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR0, 21, 0),
[HWBLK_SHYWAY] = SH_CLK_MSTP32(&div4_clks[DIV4_SH], MSTPCR0, 20, CLK_ENABLE_ON_INIT),
[HWBLK_HUDI] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 19, 0),
[HWBLK_UBC] = SH_CLK_MSTP32(&div4_clks[DIV4_I], MSTPCR0, 17, 0),
[HWBLK_TMU0] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 15, 0),
[HWBLK_CMT] = SH_CLK_MSTP32(&r_clk, MSTPCR0, 14, 0),
[HWBLK_RWDT] = SH_CLK_MSTP32(&r_clk, MSTPCR0, 13, 0),
[HWBLK_DMAC1] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR0, 12, 0),
[HWBLK_TMU1] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 10, 0),
[HWBLK_SCIF0] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 9, 0),
[HWBLK_SCIF1] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 8, 0),
[HWBLK_SCIF2] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 7, 0),
[HWBLK_SCIF3] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR0, 6, 0),
[HWBLK_SCIF4] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR0, 5, 0),
[HWBLK_SCIF5] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR0, 4, 0),
[HWBLK_MSIOF0] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR0, 2, 0),
[HWBLK_MSIOF1] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR0, 1, 0),
SH_HWBLK_CLK(HWBLK_KEYSC, &r_clk, 0),
SH_HWBLK_CLK(HWBLK_RTC, &r_clk, 0),
SH_HWBLK_CLK(HWBLK_IIC0, &div4_clks[DIV4_P], 0),
SH_HWBLK_CLK(HWBLK_IIC1, &div4_clks[DIV4_P], 0),
[HWBLK_KEYSC] = SH_CLK_MSTP32(&r_clk, MSTPCR1, 12, 0),
[HWBLK_RTC] = SH_CLK_MSTP32(&r_clk, MSTPCR1, 11, 0),
[HWBLK_IIC0] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR1, 9, 0),
[HWBLK_IIC1] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR1, 8, 0),
SH_HWBLK_CLK(HWBLK_MMC, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_ETHER, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_ATAPI, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_TPU, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_IRDA, &div4_clks[DIV4_P], 0),
SH_HWBLK_CLK(HWBLK_TSIF, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_USB1, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_USB0, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_2DG, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_SDHI0, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_SDHI1, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_VEU1, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_CEU1, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_BEU1, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_2DDMAC, &div4_clks[DIV4_SH], 0),
SH_HWBLK_CLK(HWBLK_SPU, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_JPU, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_VOU, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_BEU0, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_CEU0, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_VEU0, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_VPU, &div4_clks[DIV4_B], 0),
SH_HWBLK_CLK(HWBLK_LCDC, &div4_clks[DIV4_B], 0),
[HWBLK_MMC] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 29, 0),
[HWBLK_ETHER] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 28, 0),
[HWBLK_ATAPI] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 26, 0),
[HWBLK_TPU] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 25, 0),
[HWBLK_IRDA] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR2, 24, 0),
[HWBLK_TSIF] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 22, 0),
[HWBLK_USB1] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 21, 0),
[HWBLK_USB0] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 20, 0),
[HWBLK_2DG] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 19, 0),
[HWBLK_SDHI0] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 18, 0),
[HWBLK_SDHI1] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 17, 0),
[HWBLK_VEU1] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 15, 0),
[HWBLK_CEU1] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 13, 0),
[HWBLK_BEU1] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 12, 0),
[HWBLK_2DDMAC] = SH_CLK_MSTP32(&div4_clks[DIV4_SH], MSTPCR2, 10, 0),
[HWBLK_SPU] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 9, 0),
[HWBLK_JPU] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 6, 0),
[HWBLK_VOU] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 5, 0),
[HWBLK_BEU0] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 4, 0),
[HWBLK_CEU0] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 3, 0),
[HWBLK_VEU0] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 2, 0),
[HWBLK_VPU] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 1, 0),
[HWBLK_LCDC] = SH_CLK_MSTP32(&div4_clks[DIV4_B], MSTPCR2, 0, 0),
};
static struct clk_lookup lookups[] = {
@ -283,7 +286,7 @@ static struct clk_lookup lookups[] = {
CLKDEV_CON_ID("l2c0", &mstp_clks[HWBLK_L2C]),
CLKDEV_CON_ID("fpu0", &mstp_clks[HWBLK_FPU]),
CLKDEV_CON_ID("intc0", &mstp_clks[HWBLK_INTC]),
CLKDEV_CON_ID("dmac0", &mstp_clks[HWBLK_DMAC0]),
CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[HWBLK_DMAC0]),
CLKDEV_CON_ID("sh0", &mstp_clks[HWBLK_SHYWAY]),
CLKDEV_CON_ID("hudi0", &mstp_clks[HWBLK_HUDI]),
CLKDEV_CON_ID("ubc0", &mstp_clks[HWBLK_UBC]),
@ -294,26 +297,26 @@ static struct clk_lookup lookups[] = {
CLKDEV_ICK_ID("tmu_fck", "sh_tmu.3", &mstp_clks[HWBLK_TMU1]),
CLKDEV_CON_ID("cmt_fck", &mstp_clks[HWBLK_CMT]),
CLKDEV_CON_ID("rwdt0", &mstp_clks[HWBLK_RWDT]),
CLKDEV_CON_ID("dmac1", &mstp_clks[HWBLK_DMAC1]),
CLKDEV_DEV_ID("sh-wdt.0", &mstp_clks[HWBLK_RWDT]),
CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[HWBLK_DMAC1]),
CLKDEV_ICK_ID("tmu_fck", "sh_tmu.4", &mstp_clks[HWBLK_TMU1]),
CLKDEV_ICK_ID("tmu_fck", "sh_tmu.5", &mstp_clks[HWBLK_TMU1]),
CLKDEV_ICK_ID("sci_fck", "sh-sci.0", &mstp_clks[HWBLK_SCIF0]),
CLKDEV_ICK_ID("sci_fck", "sh-sci.1", &mstp_clks[HWBLK_SCIF1]),
CLKDEV_ICK_ID("sci_fck", "sh-sci.2", &mstp_clks[HWBLK_SCIF2]),
CLKDEV_ICK_ID("sci_fck", "sh-sci.3", &mstp_clks[HWBLK_SCIF3]),
CLKDEV_ICK_ID("sci_fck", "sh-sci.4", &mstp_clks[HWBLK_SCIF4]),
CLKDEV_ICK_ID("sci_fck", "sh-sci.5", &mstp_clks[HWBLK_SCIF5]),
CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[HWBLK_SCIF0]),
CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[HWBLK_SCIF1]),
CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[HWBLK_SCIF2]),
CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[HWBLK_SCIF3]),
CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[HWBLK_SCIF4]),
CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[HWBLK_SCIF5]),
CLKDEV_CON_ID("msiof0", &mstp_clks[HWBLK_MSIOF0]),
CLKDEV_CON_ID("msiof1", &mstp_clks[HWBLK_MSIOF1]),
CLKDEV_CON_ID("keysc0", &mstp_clks[HWBLK_KEYSC]),
CLKDEV_DEV_ID("spi_sh_msiof.0", &mstp_clks[HWBLK_MSIOF0]),
CLKDEV_DEV_ID("spi_sh_msiof.1", &mstp_clks[HWBLK_MSIOF1]),
CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[HWBLK_KEYSC]),
CLKDEV_CON_ID("rtc0", &mstp_clks[HWBLK_RTC]),
CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[HWBLK_IIC0]),
CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[HWBLK_IIC1]),
CLKDEV_CON_ID("mmc0", &mstp_clks[HWBLK_MMC]),
CLKDEV_CON_ID("eth0", &mstp_clks[HWBLK_ETHER]),
CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[HWBLK_MMC]),
CLKDEV_DEV_ID("sh-eth.0", &mstp_clks[HWBLK_ETHER]),
CLKDEV_CON_ID("atapi0", &mstp_clks[HWBLK_ATAPI]),
CLKDEV_CON_ID("tpu0", &mstp_clks[HWBLK_TPU]),
CLKDEV_CON_ID("irda0", &mstp_clks[HWBLK_IRDA]),
@ -321,20 +324,20 @@ static struct clk_lookup lookups[] = {
CLKDEV_CON_ID("usb1", &mstp_clks[HWBLK_USB1]),
CLKDEV_CON_ID("usb0", &mstp_clks[HWBLK_USB0]),
CLKDEV_CON_ID("2dg0", &mstp_clks[HWBLK_2DG]),
CLKDEV_CON_ID("sdhi0", &mstp_clks[HWBLK_SDHI0]),
CLKDEV_CON_ID("sdhi1", &mstp_clks[HWBLK_SDHI1]),
CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[HWBLK_SDHI0]),
CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[HWBLK_SDHI1]),
CLKDEV_CON_ID("veu1", &mstp_clks[HWBLK_VEU1]),
CLKDEV_CON_ID("ceu1", &mstp_clks[HWBLK_CEU1]),
CLKDEV_DEV_ID("sh_mobile_ceu.1", &mstp_clks[HWBLK_CEU1]),
CLKDEV_CON_ID("beu1", &mstp_clks[HWBLK_BEU1]),
CLKDEV_CON_ID("2ddmac0", &mstp_clks[HWBLK_2DDMAC]),
CLKDEV_CON_ID("spu0", &mstp_clks[HWBLK_SPU]),
CLKDEV_CON_ID("jpu0", &mstp_clks[HWBLK_JPU]),
CLKDEV_CON_ID("vou0", &mstp_clks[HWBLK_VOU]),
CLKDEV_DEV_ID("sh-vou.0", &mstp_clks[HWBLK_VOU]),
CLKDEV_CON_ID("beu0", &mstp_clks[HWBLK_BEU0]),
CLKDEV_CON_ID("ceu0", &mstp_clks[HWBLK_CEU0]),
CLKDEV_DEV_ID("sh_mobile_ceu.0", &mstp_clks[HWBLK_CEU0]),
CLKDEV_CON_ID("veu0", &mstp_clks[HWBLK_VEU0]),
CLKDEV_CON_ID("vpu0", &mstp_clks[HWBLK_VPU]),
CLKDEV_CON_ID("lcdc0", &mstp_clks[HWBLK_LCDC]),
CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[HWBLK_LCDC]),
};
int __init arch_clk_init(void)
@ -362,7 +365,7 @@ int __init arch_clk_init(void)
ret = sh_clk_div6_reparent_register(div6_reparent_clks, DIV6_REPARENT_NR);
if (!ret)
ret = sh_hwblk_clk_register(mstp_clks, HWBLK_NR);
ret = sh_clk_mstp32_register(mstp_clks, HWBLK_NR);
return ret;
}

121
arch/sh/kernel/cpu/sh4a/hwblk-sh7724.c
View File

@ -1,121 +0,0 @@
/*
* arch/sh/kernel/cpu/sh4a/hwblk-sh7724.c
*
* SH7724 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 <linux/init.h>
#include <linux/kernel.h>
#include <linux/io.h>
#include <asm/suspend.h>
#include <asm/hwblk.h>
#include <cpu/sh7724.h>
/* SH7724 registers */
#define MSTPCR0 0xa4150030
#define MSTPCR1 0xa4150034
#define MSTPCR2 0xa4150038
/* SH7724 Power Domains */
enum { CORE_AREA, SUB_AREA, CORE_AREA_BM };
static struct hwblk_area sh7724_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 sh7724_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_RSMEM] = HWBLK(MSTPCR0, 28, CORE_AREA),
[HWBLK_ILMEM] = HWBLK(MSTPCR0, 27, CORE_AREA),
[HWBLK_L2C] = HWBLK(MSTPCR0, 26, 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_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, 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_KEYSC] = HWBLK(MSTPCR1, 12, SUB_AREA),
[HWBLK_RTC] = HWBLK(MSTPCR1, 11, SUB_AREA),
[HWBLK_IIC0] = HWBLK(MSTPCR1, 9, CORE_AREA),
[HWBLK_IIC1] = HWBLK(MSTPCR1, 8, CORE_AREA),
[HWBLK_MMC] = HWBLK(MSTPCR2, 29, CORE_AREA),
[HWBLK_ETHER] = HWBLK(MSTPCR2, 28, CORE_AREA_BM),
[HWBLK_ATAPI] = HWBLK(MSTPCR2, 26, CORE_AREA_BM),
[HWBLK_TPU] = HWBLK(MSTPCR2, 25, CORE_AREA),
[HWBLK_IRDA] = HWBLK(MSTPCR2, 24, CORE_AREA),
[HWBLK_TSIF] = HWBLK(MSTPCR2, 22, CORE_AREA),
[HWBLK_USB1] = HWBLK(MSTPCR2, 21, CORE_AREA),
[HWBLK_USB0] = HWBLK(MSTPCR2, 20, CORE_AREA),
[HWBLK_2DG] = HWBLK(MSTPCR2, 19, CORE_AREA_BM),
[HWBLK_SDHI0] = HWBLK(MSTPCR2, 18, CORE_AREA),
[HWBLK_SDHI1] = HWBLK(MSTPCR2, 17, CORE_AREA),
[HWBLK_VEU1] = HWBLK(MSTPCR2, 15, CORE_AREA_BM),
[HWBLK_CEU1] = HWBLK(MSTPCR2, 13, CORE_AREA_BM),
[HWBLK_BEU1] = HWBLK(MSTPCR2, 12, CORE_AREA_BM),
[HWBLK_2DDMAC] = HWBLK(MSTPCR2, 10, CORE_AREA_BM),
[HWBLK_SPU] = HWBLK(MSTPCR2, 9, CORE_AREA_BM),
[HWBLK_JPU] = HWBLK(MSTPCR2, 6, CORE_AREA_BM),
[HWBLK_VOU] = HWBLK(MSTPCR2, 5, CORE_AREA_BM),
[HWBLK_BEU0] = HWBLK(MSTPCR2, 4, CORE_AREA_BM),
[HWBLK_CEU0] = HWBLK(MSTPCR2, 3, CORE_AREA_BM),
[HWBLK_VEU0] = 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 sh7724_hwblk_info = {
.areas = sh7724_hwblk_area,
.nr_areas = ARRAY_SIZE(sh7724_hwblk_area),
.hwblks = sh7724_hwblk,
.nr_hwblks = ARRAY_SIZE(sh7724_hwblk),
};
int arch_hwblk_sleep_mode(void)
{
if (!sh7724_hwblk_area[CORE_AREA].cnt[HWBLK_CNT_USAGE])
return SUSP_SH_STANDBY | SUSP_SH_SF;
if (!sh7724_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(&sh7724_hwblk_info);
}

2
arch/sh/kernel/cpu/shmobile/Makefile
View File

@ -5,4 +5,6 @@
# Power Management & Sleep mode
obj-$(CONFIG_PM) += pm.o sleep.o
obj-$(CONFIG_CPU_IDLE) += cpuidle.o
ifneq ($(CONFIG_CPU_SUBTYPE_SH7724),y)
obj-$(CONFIG_PM_RUNTIME) += pm_runtime.o
endif

1
drivers/sh/Makefile
View File

@ -15,3 +15,4 @@ obj-$(CONFIG_GENERIC_GPIO) += pfc.o
# special casing can go away.
#
obj-$(CONFIG_SUPERH)$(CONFIG_ARCH_SHMOBILE) += pm_runtime.o
obj-$(CONFIG_CPU_SUBTYPE_SH7724) += pm_runtime.o