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rk29: pm: add JTAG config for debug

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黄涛
2011-05-16 19:55:17 +08:00
parent dfeca01a38
commit 4378fae6c3
2 changed files with 17 additions and 0 deletions
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6
arch/arm/mach-rk29/Kconfig
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@@ -161,4 +161,10 @@ config RK29_VPU_DEBUG
endmenu
config RK29_JTAG
bool "Enable JTAG support (debug only)"
help
This is an option for SDK board. Always enable JTAG clock,
but consumes more power.
endif

11
arch/arm/mach-rk29/pm.c
View File

@@ -285,6 +285,7 @@ static void __sramfunc rk29_sram_suspend(void)
cru_writel(clksel0 | 0x1F, CRU_CLKSEL0_CON);
printch('8');
dsb();
asm("wfi");
printch('8');
@@ -416,6 +417,13 @@ static int rk29_pm_enter(suspend_state_t state)
| (1 << CLK_GATE_GPIO0)
| (1 << CLK_GATE_RTC)
| (1 << CLK_GATE_GRF)
#ifdef CONFIG_RK29_JTAG
| (1 << CLK_GATE_PCLK_CORE)
| (1 << CLK_GATE_ATCLK_CORE)
| (1 << CLK_GATE_ATCLK_CPU)
| (1 << CLK_GATE_DEBUG)
| (1 << CLK_GATE_TPIU)
#endif
) | clkgate[0], CRU_CLKGATE0_CON);
cru_writel(~0, CRU_CLKGATE1_CON);
cru_writel(~((1 << CLK_GATE_GPIO1 % 32)
@@ -425,6 +433,9 @@ static int rk29_pm_enter(suspend_state_t state)
| (1 << CLK_GATE_GPIO5 % 32)
| (1 << CLK_GATE_GPIO6 % 32)
| (1 << CLK_GATE_PWM % 32)
#ifdef CONFIG_RK29_JTAG
| (1 << CLK_GATE_JTAG % 32)
#endif
) | clkgate[2], CRU_CLKGATE2_CON);
cru_writel(~0, CRU_CLKGATE3_CON);
printch('1');