[PATCH 4/7] ARM: tegra: add LP1 support code for Tegra124
Joseph Lo
josephl at nvidia.com
Wed Oct 9 05:20:08 EDT 2013
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 at nvidia.com>
---
arch/arm/mach-tegra/iomap.h | 3 +++
arch/arm/mach-tegra/sleep-tegra30.S | 36 +++++++++++++++++++++++++++++-------
2 files changed, 32 insertions(+), 7 deletions(-)
diff --git a/arch/arm/mach-tegra/iomap.h b/arch/arm/mach-tegra/iomap.h
index cbee57f..26b1c2a 100644
--- a/arch/arm/mach-tegra/iomap.h
+++ b/arch/arm/mach-tegra/iomap.h
@@ -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
diff --git a/arch/arm/mach-tegra/sleep-tegra30.S b/arch/arm/mach-tegra/sleep-tegra30.S
index c6fc15c..e65a831 100644
--- a/arch/arm/mach-tegra/sleep-tegra30.S
+++ b/arch/arm/mach-tegra/sleep-tegra30.S
@@ -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
@@ -554,15 +558,25 @@ tegra114_sdram_pad_address:
.word TEGRA_EMC1_BASE + EMC_XM2VTTGENPADCTRL @0x2c
.word TEGRA_EMC1_BASE + EMC_XM2VTTGENPADCTRL2 @0x30
+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
+
tegra30_sdram_pad_size:
.word tegra114_sdram_pad_address - tegra30_sdram_pad_address
tegra114_sdram_pad_size:
- .word tegra30_sdram_pad_size - tegra114_sdram_pad_address
+ .word tegra124_sdram_pad_address - tegra114_sdram_pad_address
.type tegra30_sdram_pad_save, %object
tegra30_sdram_pad_save:
- .rept (tegra30_sdram_pad_size - tegra114_sdram_pad_address) / 4
+ .rept (tegra124_sdram_pad_address - tegra114_sdram_pad_address) / 4
.long 0
.endr
@@ -698,8 +712,13 @@ 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:
@@ -717,7 +736,10 @@ 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
--
1.8.4
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