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| author | Aneesh V <aneesh@ti.com> | 2011-09-08 11:05:56 -0400 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2011-09-13 08:25:16 +0200 |
| commit | 4ecfcfaa9ed1bb2ee73585752f9c36a12d1600c6 (patch) | |
| tree | 94b5cde341423732ec4a7f7c3b0ea6d2066b5b2b /arch/arm/include/asm | |
| parent | 025bc4254ba3d501cf2af49ae1d91d5b2e7c529d (diff) | |
| download | u-boot-imx-4ecfcfaa9ed1bb2ee73585752f9c36a12d1600c6.zip u-boot-imx-4ecfcfaa9ed1bb2ee73585752f9c36a12d1600c6.tar.gz u-boot-imx-4ecfcfaa9ed1bb2ee73585752f9c36a12d1600c6.tar.bz2 | |
omap4: IO settings
Tuning some IO settings for better performance and power.
And consolidate all such IO settings at one place.
Signed-off-by: Aneesh V <aneesh@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/arch-omap4/emif.h | 18 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-omap4/omap4.h | 45 |
2 files changed, 43 insertions, 20 deletions
diff --git a/arch/arm/include/asm/arch-omap4/emif.h b/arch/arm/include/asm/arch-omap4/emif.h index 6845c65..3a549ba 100644 --- a/arch/arm/include/asm/arch-omap4/emif.h +++ b/arch/arm/include/asm/arch-omap4/emif.h @@ -593,17 +593,6 @@ struct dmm_lisa_map_regs { u32 dmm_lisa_map_3; }; -struct control_lpddr2io_regs { - u32 control_lpddr2io1_0; - u32 control_lpddr2io1_1; - u32 control_lpddr2io1_2; - u32 control_lpddr2io1_3; - u32 control_lpddr2io2_0; - u32 control_lpddr2io2_1; - u32 control_lpddr2io2_2; - u32 control_lpddr2io2_3; -}; - #define CS0 0 #define CS1 1 /* The maximum frequency at which the LPDDR2 interface can operate in Hz*/ @@ -823,13 +812,6 @@ struct control_lpddr2io_regs { /* MR16 value: refresh full array(no partial array self refresh) */ #define MR16_REF_FULL_ARRAY 0 -/* LPDDR2 IO regs */ -#define CONTROL_LPDDR2IO_SLEW_125PS_DRV8_PULL_DOWN 0x1C1C1C1C -#define CONTROL_LPDDR2IO_SLEW_325PS_DRV8_GATE_KEEPER 0x9E9E9E9E - -/* CONTROL_EFUSE_2 */ -#define CONTROL_EFUSE_2_NMOS_PMOS_PTV_CODE_1 0x00ffc000 - /* * Maximum number of entries we keep in our array of timing tables * We need not keep all the speed bins supported by the device diff --git a/arch/arm/include/asm/arch-omap4/omap4.h b/arch/arm/include/asm/arch-omap4/omap4.h index 7ff46d7..a6e1e42 100644 --- a/arch/arm/include/asm/arch-omap4/omap4.h +++ b/arch/arm/include/asm/arch-omap4/omap4.h @@ -54,8 +54,6 @@ /* LPDDR2 IO regs */ #define LPDDR2_IO_REGS_BASE 0x4A100638 -#define CONTROL_EFUSE_2 0x4A100704 - /* CONTROL_ID_CODE */ #define CONTROL_ID_CODE 0x4A002204 @@ -84,6 +82,9 @@ /* GPMC */ #define OMAP44XX_GPMC_BASE 0x50000000 +/* SYSTEM CONTROL MODULE */ +#define SYSCTRL_GENERAL_CORE_BASE 0x4A002000 + /* * Hardware Register Details */ @@ -108,6 +109,22 @@ #define PRM_RSTCTRL PRM_DEVICE_BASE #define PRM_RSTCTRL_RESET 0x01 +/* Control Module */ +#define LDOSRAM_ACTMODE_VSET_IN_MASK (0x1F << 5) +#define LDOSRAM_VOLT_CTRL_OVERRIDE 0x0401040f +#define CONTROL_EFUSE_1_OVERRIDE 0x1C4D0110 +#define CONTROL_EFUSE_2_OVERRIDE 0x00084000 + +/* LPDDR2 IO regs */ +#define CONTROL_LPDDR2IO_SLEW_125PS_DRV8_PULL_DOWN 0x1C1C1C1C +#define CONTROL_LPDDR2IO_SLEW_325PS_DRV8_GATE_KEEPER 0x9E9E9E9E +#define CONTROL_LPDDR2IO_SLEW_315PS_DRV12_PULL_DOWN 0x7C7C7C7C +#define LPDDR2IO_GR10_WD_MASK (3 << 17) +#define CONTROL_LPDDR2IO_3_VAL 0xA0888C00 + +/* CONTROL_EFUSE_2 */ +#define CONTROL_EFUSE_2_NMOS_PMOS_PTV_CODE_1 0x00ffc000 + #ifndef __ASSEMBLY__ struct s32ktimer { @@ -115,6 +132,30 @@ struct s32ktimer { unsigned int s32k_cr; /* 0x10 */ }; +struct omap4_sys_ctrl_regs { + unsigned int pad1[129]; + unsigned int control_id_code; /* 0x4A002204 */ + unsigned int pad11[22]; + unsigned int control_std_fuse_opp_bgap; /* 0x4a002260 */ + unsigned int pad2[47]; + unsigned int control_ldosram_iva_voltage_ctrl; /* 0x4A002320 */ + unsigned int control_ldosram_mpu_voltage_ctrl; /* 0x4A002324 */ + unsigned int control_ldosram_core_voltage_ctrl; /* 0x4A002328 */ + unsigned int pad3[260341]; + unsigned int control_efuse_1; /* 0x4A100700 */ + unsigned int control_efuse_2; /* 0x4A100704 */ +}; + +struct control_lpddr2io_regs { + unsigned int control_lpddr2io1_0; + unsigned int control_lpddr2io1_1; + unsigned int control_lpddr2io1_2; + unsigned int control_lpddr2io1_3; + unsigned int control_lpddr2io2_0; + unsigned int control_lpddr2io2_1; + unsigned int control_lpddr2io2_2; + unsigned int control_lpddr2io2_3; +}; #endif /* __ASSEMBLY__ */ /* |