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ARM: tegra: add LP1 support code for Tegra124 

The LP1 suspend procedure is the same with Tegra30 and Tegra114. Just
need to update the difference of the register address, then we can
continue to share the code.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Joseph Lo 2013-10-11 17:58:38 +08:00 committed by Stephen Warren
parent 92e94fe1cd
commit f0c4ac1329
5 changed files with 43 additions and 8 deletions
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1
arch/arm/mach-tegra/Makefile
View File

@ -36,6 +36,7 @@ ifeq ($(CONFIG_CPU_IDLE),y)
obj-$(CONFIG_ARCH_TEGRA_114_SOC) += cpuidle-tegra114.o
endif
obj-$(CONFIG_ARCH_TEGRA_124_SOC) += sleep-tegra30.o
obj-$(CONFIG_ARCH_TEGRA_124_SOC) += pm-tegra30.o
ifeq ($(CONFIG_CPU_IDLE),y)
obj-$(CONFIG_ARCH_TEGRA_124_SOC) += cpuidle-tegra114.o
endif

2
arch/arm/mach-tegra/flowctrl.c
View File

@ -87,6 +87,7 @@ void flowctrl_cpu_suspend_enter(unsigned int cpuid)
break;
case TEGRA30:
case TEGRA114:
case TEGRA124:
/* clear wfe bitmap */
reg &= ~TEGRA30_FLOW_CTRL_CSR_WFE_BITMAP;
/* clear wfi bitmap */
@ -125,6 +126,7 @@ void flowctrl_cpu_suspend_exit(unsigned int cpuid)
break;
case TEGRA30:
case TEGRA114:
case TEGRA124:
/* clear wfe bitmap */
reg &= ~TEGRA30_FLOW_CTRL_CSR_WFE_BITMAP;
/* clear wfi bitmap */

3
arch/arm/mach-tegra/iomap.h
View File

@ -105,6 +105,9 @@
#define TEGRA_EMC1_BASE 0x7001A800
#define TEGRA_EMC1_SIZE SZ_2K
#define TEGRA124_EMC_BASE 0x7001B000
#define TEGRA124_EMC_SIZE SZ_2K
#define TEGRA_CSITE_BASE 0x70040000
#define TEGRA_CSITE_SIZE SZ_256K

12
arch/arm/mach-tegra/pm.c
View File

@ -59,8 +59,10 @@ static void tegra_tear_down_cpu_init(void)
break;
case TEGRA30:
case TEGRA114:
case TEGRA124:
if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC) ||
IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC))
IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) ||
IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC))
tegra_tear_down_cpu = tegra30_tear_down_cpu;
break;
}
@ -216,8 +218,10 @@ static bool tegra_lp1_iram_hook(void)
break;
case TEGRA30:
case TEGRA114:
case TEGRA124:
if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC) ||
IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC))
IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) ||
IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC))
tegra30_lp1_iram_hook();
break;
default:
@ -244,8 +248,10 @@ static bool tegra_sleep_core_init(void)
break;
case TEGRA30:
case TEGRA114:
case TEGRA124:
if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC) ||
IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC))
IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) ||
IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC))
tegra30_sleep_core_init();
break;
default:

33
arch/arm/mach-tegra/sleep-tegra30.S
View File

@ -408,8 +408,12 @@ _pll_m_c_x_done:
cmp r10, #TEGRA30
movweq r0, #:lower16:TEGRA_EMC_BASE @ r0 reserved for emc base
movteq r0, #:upper16:TEGRA_EMC_BASE
movwne r0, #:lower16:TEGRA_EMC0_BASE
movtne r0, #:upper16:TEGRA_EMC0_BASE
cmp r10, #TEGRA114
movweq r0, #:lower16:TEGRA_EMC0_BASE
movteq r0, #:upper16:TEGRA_EMC0_BASE
cmp r10, #TEGRA124
movweq r0, #:lower16:TEGRA124_EMC_BASE
movteq r0, #:upper16:TEGRA124_EMC_BASE
exit_self_refresh:
ldr r1, [r5, #0xC] @ restore EMC_XM2VTTGENPADCTRL
@ -556,6 +560,17 @@ tegra114_sdram_pad_address:
.word TEGRA_EMC1_BASE + EMC_XM2VTTGENPADCTRL2 @0x30
tegra114_sdram_pad_adress_end:
tegra124_sdram_pad_address:
.word TEGRA124_EMC_BASE + EMC_CFG @0x0
.word TEGRA124_EMC_BASE + EMC_ZCAL_INTERVAL @0x4
.word TEGRA124_EMC_BASE + EMC_AUTO_CAL_INTERVAL @0x8
.word TEGRA124_EMC_BASE + EMC_XM2VTTGENPADCTRL @0xc
.word TEGRA124_EMC_BASE + EMC_XM2VTTGENPADCTRL2 @0x10
.word TEGRA_PMC_BASE + PMC_IO_DPD_STATUS @0x14
.word TEGRA_CLK_RESET_BASE + CLK_RESET_CLK_SOURCE_MSELECT @0x18
.word TEGRA_CLK_RESET_BASE + CLK_RESET_SCLK_BURST @0x1c
tegra124_sdram_pad_address_end:
tegra30_sdram_pad_size:
.word tegra30_sdram_pad_address_end - tegra30_sdram_pad_address
@ -700,8 +715,13 @@ tegra30_sdram_self_refresh:
cmp r10, #TEGRA30
adreq r2, tegra30_sdram_pad_address
ldreq r3, tegra30_sdram_pad_size
adrne r2, tegra114_sdram_pad_address
ldrne r3, tegra114_sdram_pad_size
cmp r10, #TEGRA114
adreq r2, tegra114_sdram_pad_address
ldreq r3, tegra114_sdram_pad_size
cmp r10, #TEGRA124
adreq r2, tegra124_sdram_pad_address
ldreq r3, tegra30_sdram_pad_size
mov r9, #0
padsave:
@ -719,7 +739,10 @@ padsave_done:
cmp r10, #TEGRA30
ldreq r0, =TEGRA_EMC_BASE @ r0 reserved for emc base addr
ldrne r0, =TEGRA_EMC0_BASE
cmp r10, #TEGRA114
ldreq r0, =TEGRA_EMC0_BASE
cmp r10, #TEGRA124
ldreq r0, =TEGRA124_EMC_BASE
enter_self_refresh:
cmp r10, #TEGRA30