diff options
| -rw-r--r-- | arch/arm/cpu/armv7/omap5/hwinit.c | 83 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-omap5/omap.h | 128 |
2 files changed, 187 insertions, 24 deletions
diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c index fa8e390c179..d024ab5e329 100644 --- a/arch/arm/cpu/armv7/omap5/hwinit.c +++ b/arch/arm/cpu/armv7/omap5/hwinit.c @@ -57,6 +57,89 @@ const struct gpio_bank *const omap_gpio_bank = gpio_bank_54xx; */ void do_io_settings(void) { + u32 io_settings = 0, mask = 0; + struct omap5_sys_ctrl_regs *ioregs_base = + (struct omap5_sys_ctrl_regs *) OMAP5_IOREGS_BASE; + + /* Impedance settings EMMC, C2C 1,2, hsi2 */ + mask = (ds_mask << 2) | (ds_mask << 8) | + (ds_mask << 16) | (ds_mask << 18); + io_settings = readl(&(ioregs_base->control_smart1io_padconf_0)) & + (~mask); + io_settings |= (ds_60_ohm << 8) | (ds_45_ohm << 16) | + (ds_45_ohm << 18) | (ds_60_ohm << 2); + writel(io_settings, &(ioregs_base->control_smart1io_padconf_0)); + + /* Impedance settings Mcspi2 */ + mask = (ds_mask << 30); + io_settings = readl(&(ioregs_base->control_smart1io_padconf_1)) & + (~mask); + io_settings |= (ds_60_ohm << 30); + writel(io_settings, &(ioregs_base->control_smart1io_padconf_1)); + + /* Impedance settings C2C 3,4 */ + mask = (ds_mask << 14) | (ds_mask << 16); + io_settings = readl(&(ioregs_base->control_smart1io_padconf_2)) & + (~mask); + io_settings |= (ds_45_ohm << 14) | (ds_45_ohm << 16); + writel(io_settings, &(ioregs_base->control_smart1io_padconf_2)); + + /* Slew rate settings EMMC, C2C 1,2 */ + mask = (sc_mask << 8) | (sc_mask << 16) | (sc_mask << 18); + io_settings = readl(&(ioregs_base->control_smart2io_padconf_0)) & + (~mask); + io_settings |= (sc_fast << 8) | (sc_na << 16) | (sc_na << 18); + writel(io_settings, &(ioregs_base->control_smart2io_padconf_0)); + + /* Slew rate settings hsi2, Mcspi2 */ + mask = (sc_mask << 24) | (sc_mask << 28); + io_settings = readl(&(ioregs_base->control_smart2io_padconf_1)) & + (~mask); + io_settings |= (sc_fast << 28) | (sc_fast << 24); + writel(io_settings, &(ioregs_base->control_smart2io_padconf_1)); + + /* Slew rate settings C2C 3,4 */ + mask = (sc_mask << 16) | (sc_mask << 18); + io_settings = readl(&(ioregs_base->control_smart2io_padconf_2)) & + (~mask); + io_settings |= (sc_na << 16) | (sc_na << 18); + writel(io_settings, &(ioregs_base->control_smart2io_padconf_2)); + + /* impedance and slew rate settings for usb */ + mask = (usb_i_mask << 29) | (usb_i_mask << 26) | (usb_i_mask << 23) | + (usb_i_mask << 20) | (usb_i_mask << 17) | (usb_i_mask << 14); + io_settings = readl(&(ioregs_base->control_smart3io_padconf_1)) & + (~mask); + io_settings |= (ds_60_ohm << 29) | (ds_60_ohm << 26) | + (ds_60_ohm << 23) | (sc_fast << 20) | + (sc_fast << 17) | (sc_fast << 14); + writel(io_settings, &(ioregs_base->control_smart3io_padconf_1)); + + /* LPDDR2 io settings */ + writel(DDR_IO_I_34OHM_SR_FASTEST_WD_DQ_NO_PULL_DQS_PULL_DOWN, + &(ioregs_base->control_ddrch1_0)); + writel(DDR_IO_I_34OHM_SR_FASTEST_WD_DQ_NO_PULL_DQS_PULL_DOWN, + &(ioregs_base->control_ddrch1_1)); + writel(DDR_IO_I_34OHM_SR_FASTEST_WD_DQ_NO_PULL_DQS_PULL_DOWN, + &(ioregs_base->control_ddrch2_0)); + writel(DDR_IO_I_34OHM_SR_FASTEST_WD_DQ_NO_PULL_DQS_PULL_DOWN, + &(ioregs_base->control_ddrch2_1)); + writel(DDR_IO_I_34OHM_SR_FASTEST_WD_CK_CKE_NCS_CA_PULL_DOWN, + &(ioregs_base->control_lpddr2ch1_0)); + writel(DDR_IO_I_34OHM_SR_FASTEST_WD_CK_CKE_NCS_CA_PULL_DOWN, + &(ioregs_base->control_lpddr2ch1_1)); + writel(DDR_IO_0_DDR2_DQ_INT_EN_ALL_DDR3_CA_DIS_ALL, + &(ioregs_base->control_ddrio_0)); + writel(DDR_IO_1_DQ_OUT_EN_ALL_DQ_INT_EN_ALL, + &(ioregs_base->control_ddrio_1)); + writel(DDR_IO_2_CA_OUT_EN_ALL_CA_INT_EN_ALL, + &(ioregs_base->control_ddrio_2)); + + /* Efuse settings */ + writel(EFUSE_1, &(ioregs_base->control_efuse_1)); + writel(EFUSE_2, &(ioregs_base->control_efuse_2)); + writel(EFUSE_3, &(ioregs_base->control_efuse_3)); + writel(EFUSE_4, &(ioregs_base->control_efuse_4)); } #endif diff --git a/arch/arm/include/asm/arch-omap5/omap.h b/arch/arm/include/asm/arch-omap5/omap.h index d811d6ec237..07546c92e6b 100644 --- a/arch/arm/include/asm/arch-omap5/omap.h +++ b/arch/arm/include/asm/arch-omap5/omap.h @@ -136,32 +136,112 @@ 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[260277]; - unsigned int control_pbiaslite; /* 0x4A100600 */ - unsigned int pad4[63]; - unsigned int control_efuse_1; /* 0x4A100700 */ - unsigned int control_efuse_2; /* 0x4A100704 */ +#define OMAP5_IOREGS_BASE 0x4A002DA0 + +struct omap5_sys_ctrl_regs { + u32 control_paconf_global; /* 0x4A002DA0 */ + u32 control_paconf_mode; /* 0x4A002DA4 */ + u32 control_smart1io_padconf_0; /* 0x4A002DA8 */ + u32 control_smart1io_padconf_1; /* 0x4A002DAC */ + u32 control_smart1io_padconf_2; /* 0x4A002DB0 */ + u32 control_smart2io_padconf_0; /* 0x4A002DB4 */ + u32 control_smart2io_padconf_1; /* 0x4A002DB8 */ + u32 control_smart2io_padconf_2; /* 0x4A002DBC */ + u32 control_smart3io_padconf_0; /* 0x4A002DC0 */ + u32 control_smart3io_padconf_1; /* 0x4A002DC4 */ + u32 pad1[14]; + u32 control_pbias; /* 0x4A002E00 */ + u32 control_i2c_0; /* 0x4A002E04 */ + u32 control_camera_rx; /* 0x4A002E08 */ + u32 control_hdmi_tx_phy; /* 0x4A002E0C */ + u32 control_uniportm; /* 0x4A002E10 */ + u32 control_dsiphy; /* 0x4A002E14 */ + u32 control_mcbsplp; /* 0x4A002E18 */ + u32 control_usb2phycore; /* 0x4A002E1C */ + u32 control_hdmi_1; /*0x4A002E20*/ + u32 control_hsi; /*0x4A002E24*/ + u32 pad2[2]; + u32 control_ddr3ch1_0; /*0x4A002E30*/ + u32 control_ddr3ch2_0; /*0x4A002E34*/ + u32 control_ddrch1_0; /*0x4A002E38*/ + u32 control_ddrch1_1; /*0x4A002E3C*/ + u32 control_ddrch2_0; /*0x4A002E40*/ + u32 control_ddrch2_1; /*0x4A002E44*/ + u32 control_lpddr2ch1_0; /*0x4A002E48*/ + u32 control_lpddr2ch1_1; /*0x4A002E4C*/ + u32 control_ddrio_0; /*0x4A002E50*/ + u32 control_ddrio_1; /*0x4A002E54*/ + u32 control_ddrio_2; /*0x4A002E58*/ + u32 control_hyst_1; /*0x4A002E5C*/ + u32 control_usbb_hsic_control; /*0x4A002E60*/ + u32 control_c2c; /*0x4A002E64*/ + u32 control_core_control_spare_rw; /*0x4A002E68*/ + u32 control_core_control_spare_r; /*0x4A002E6C*/ + u32 control_core_control_spare_r_c0; /*0x4A002E70*/ + u32 control_srcomp_north_side; /*0x4A002E74*/ + u32 control_srcomp_south_side; /*0x4A002E78*/ + u32 control_srcomp_east_side; /*0x4A002E7C*/ + u32 control_srcomp_west_side; /*0x4A002E80*/ + u32 control_srcomp_code_latch; /*0x4A002E84*/ + u32 pad3[3680198]; + u32 control_smart1nopmio_padconf_0; /* 0x4AE0CDA0 */ + u32 control_smart1nopmio_padconf_1; /* 0x4AE0CDA4 */ + u32 control_padconf_mode; /* 0x4AE0CDA8 */ + u32 control_xtal_oscillator; /* 0x4AE0CDAC */ + u32 control_i2c_2; /* 0x4AE0CDB0 */ + u32 control_ckobuffer; /* 0x4AE0CDB4 */ + u32 control_wkup_control_spare_rw; /* 0x4AE0CDB8 */ + u32 control_wkup_control_spare_r; /* 0x4AE0CDBC */ + u32 control_wkup_control_spare_r_c0; /* 0x4AE0CDC0 */ + u32 control_srcomp_east_side_wkup; /* 0x4AE0CDC4 */ + u32 control_efuse_1; /* 0x4AE0CDC8 */ + u32 control_efuse_2; /* 0x4AE0CDCC */ + u32 control_efuse_3; /* 0x4AE0CDD0 */ + u32 control_efuse_4; /* 0x4AE0CDD4 */ + u32 control_efuse_5; /* 0x4AE0CDD8 */ + u32 control_efuse_6; /* 0x4AE0CDDC */ + u32 control_efuse_7; /* 0x4AE0CDE0 */ + u32 control_efuse_8; /* 0x4AE0CDE4 */ + u32 control_efuse_9; /* 0x4AE0CDE8 */ + u32 control_efuse_10; /* 0x4AE0CDEC */ + u32 control_efuse_11; /* 0x4AE0CDF0 */ + u32 control_efuse_12; /* 0x4AE0CDF4 */ + u32 control_efuse_13; /* 0x4AE0CDF8 */ }; -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; -}; +/* Output impedance control */ +#define ds_120_ohm 0x0 +#define ds_60_ohm 0x1 +#define ds_45_ohm 0x2 +#define ds_30_ohm 0x3 +#define ds_mask 0x3 + +/* Slew rate control */ +#define sc_slow 0x0 +#define sc_medium 0x1 +#define sc_fast 0x2 +#define sc_na 0x3 +#define sc_mask 0x3 + +/* Target capacitance control */ +#define lb_5_12_pf 0x0 +#define lb_12_25_pf 0x1 +#define lb_25_50_pf 0x2 +#define lb_50_80_pf 0x3 +#define lb_mask 0x3 + +#define usb_i_mask 0x7 + +#define DDR_IO_I_34OHM_SR_FASTEST_WD_DQ_NO_PULL_DQS_PULL_DOWN 0x80828082 +#define DDR_IO_I_34OHM_SR_FASTEST_WD_CK_CKE_NCS_CA_PULL_DOWN 0x82828200 +#define DDR_IO_0_DDR2_DQ_INT_EN_ALL_DDR3_CA_DIS_ALL 0x8421 +#define DDR_IO_1_DQ_OUT_EN_ALL_DQ_INT_EN_ALL 0x8421084 +#define DDR_IO_2_CA_OUT_EN_ALL_CA_INT_EN_ALL 0x8421000 + +#define EFUSE_1 0x45145100 +#define EFUSE_2 0x45145100 +#define EFUSE_3 0x45145100 +#define EFUSE_4 0x45145100 #endif /* __ASSEMBLY__ */ /* |