X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Farmv7%2Fomap5%2Fhwinit.c;h=a8a474a88be94a94fabf2e5d71a47fb50797df37;hp=4def422df1daebbda99a7b1f0a6a80ff89913cdb;hb=cc49da249cf2f380d2fed5571fad65ce6494fc95;hpb=9ca8bfea80f38e3b423e339499c861ddc24b830c diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c index 4def422df1..a8a474a88b 100644 --- a/arch/arm/cpu/armv7/omap5/hwinit.c +++ b/arch/arm/cpu/armv7/omap5/hwinit.c @@ -10,44 +10,32 @@ * Steve Sakoman * Sricharan * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include -#include +#include +#include #include #include #include +#include DECLARE_GLOBAL_DATA_PTR; -u32 *const omap_si_rev = (u32 *)OMAP5_SRAM_SCRATCH_OMAP5_REV; +u32 *const omap_si_rev = (u32 *)OMAP_SRAM_SCRATCH_OMAP_REV; -static struct gpio_bank gpio_bank_54xx[6] = { +static struct gpio_bank gpio_bank_54xx[8] = { { (void *)OMAP54XX_GPIO1_BASE, METHOD_GPIO_24XX }, { (void *)OMAP54XX_GPIO2_BASE, METHOD_GPIO_24XX }, { (void *)OMAP54XX_GPIO3_BASE, METHOD_GPIO_24XX }, { (void *)OMAP54XX_GPIO4_BASE, METHOD_GPIO_24XX }, { (void *)OMAP54XX_GPIO5_BASE, METHOD_GPIO_24XX }, { (void *)OMAP54XX_GPIO6_BASE, METHOD_GPIO_24XX }, + { (void *)OMAP54XX_GPIO7_BASE, METHOD_GPIO_24XX }, + { (void *)OMAP54XX_GPIO8_BASE, METHOD_GPIO_24XX }, }; const struct gpio_bank *const omap_gpio_bank = gpio_bank_54xx; @@ -56,76 +44,63 @@ const struct gpio_bank *const omap_gpio_bank = gpio_bank_54xx; /* LPDDR2 specific IO settings */ static void io_settings_lpddr2(void) { - struct omap_sys_ctrl_regs *ioregs_base = - (struct omap_sys_ctrl_regs *) SYSCTRL_GENERAL_CORE_BASE; - - 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)); + const struct ctrl_ioregs *ioregs; + + get_ioregs(&ioregs); + writel(ioregs->ctrl_ddrch, (*ctrl)->control_ddrch1_0); + writel(ioregs->ctrl_ddrch, (*ctrl)->control_ddrch1_1); + writel(ioregs->ctrl_ddrch, (*ctrl)->control_ddrch2_0); + writel(ioregs->ctrl_ddrch, (*ctrl)->control_ddrch2_1); + writel(ioregs->ctrl_lpddr2ch, (*ctrl)->control_lpddr2ch1_0); + writel(ioregs->ctrl_lpddr2ch, (*ctrl)->control_lpddr2ch1_1); + writel(ioregs->ctrl_ddrio_0, (*ctrl)->control_ddrio_0); + writel(ioregs->ctrl_ddrio_1, (*ctrl)->control_ddrio_1); + writel(ioregs->ctrl_ddrio_2, (*ctrl)->control_ddrio_2); } /* DDR3 specific IO settings */ static void io_settings_ddr3(void) { u32 io_settings = 0; - struct omap_sys_ctrl_regs *ioregs_base = - (struct omap_sys_ctrl_regs *) SYSCTRL_GENERAL_CORE_BASE; - - writel(DDR_IO_I_40OHM_SR_SLOWEST_WD_DQ_NO_PULL_DQS_NO_PULL, - &(ioregs_base->control_ddr3ch1_0)); - writel(DDR_IO_I_40OHM_SR_FAST_WD_DQ_NO_PULL_DQS_NO_PULL, - &(ioregs_base->control_ddrch1_0)); - writel(DDR_IO_I_40OHM_SR_FAST_WD_DQ_NO_PULL_DQS_NO_PULL, - &(ioregs_base->control_ddrch1_1)); - - writel(DDR_IO_I_40OHM_SR_SLOWEST_WD_DQ_NO_PULL_DQS_NO_PULL, - &(ioregs_base->control_ddr3ch2_0)); - writel(DDR_IO_I_40OHM_SR_FAST_WD_DQ_NO_PULL_DQS_NO_PULL, - &(ioregs_base->control_ddrch2_0)); - writel(DDR_IO_I_40OHM_SR_FAST_WD_DQ_NO_PULL_DQS_NO_PULL, - &(ioregs_base->control_ddrch2_1)); - - writel(DDR_IO_0_VREF_CELLS_DDR3_VALUE, - &(ioregs_base->control_ddrio_0)); - writel(DDR_IO_1_VREF_CELLS_DDR3_VALUE, - &(ioregs_base->control_ddrio_1)); - writel(DDR_IO_2_VREF_CELLS_DDR3_VALUE, - &(ioregs_base->control_ddrio_2)); + const struct ctrl_ioregs *ioregs; + + get_ioregs(&ioregs); + writel(ioregs->ctrl_ddr3ch, (*ctrl)->control_ddr3ch1_0); + writel(ioregs->ctrl_ddrch, (*ctrl)->control_ddrch1_0); + writel(ioregs->ctrl_ddrch, (*ctrl)->control_ddrch1_1); + + writel(ioregs->ctrl_ddr3ch, (*ctrl)->control_ddr3ch2_0); + writel(ioregs->ctrl_ddrch, (*ctrl)->control_ddrch2_0); + writel(ioregs->ctrl_ddrch, (*ctrl)->control_ddrch2_1); + + writel(ioregs->ctrl_ddrio_0, (*ctrl)->control_ddrio_0); + writel(ioregs->ctrl_ddrio_1, (*ctrl)->control_ddrio_1); + writel(ioregs->ctrl_ddrio_2, (*ctrl)->control_ddrio_2); /* omap5432 does not use lpddr2 */ - writel(0x0, &(ioregs_base->control_lpddr2ch1_0)); - writel(0x0, &(ioregs_base->control_lpddr2ch1_1)); + writel(ioregs->ctrl_lpddr2ch, (*ctrl)->control_lpddr2ch1_0); + writel(ioregs->ctrl_lpddr2ch, (*ctrl)->control_lpddr2ch1_1); - writel(SDRAM_CONFIG_EXT_RD_LVL_11_SAMPLES, - &(ioregs_base->control_emif1_sdram_config_ext)); - writel(SDRAM_CONFIG_EXT_RD_LVL_11_SAMPLES, - &(ioregs_base->control_emif2_sdram_config_ext)); + writel(ioregs->ctrl_emif_sdram_config_ext, + (*ctrl)->control_emif1_sdram_config_ext); + writel(ioregs->ctrl_emif_sdram_config_ext, + (*ctrl)->control_emif2_sdram_config_ext); - /* Disable DLL select */ - io_settings = (readl(&(ioregs_base->control_port_emif1_sdram_config)) + if (is_omap54xx()) { + /* Disable DLL select */ + io_settings = (readl((*ctrl)->control_port_emif1_sdram_config) & 0xFFEFFFFF); - writel(io_settings, - &(ioregs_base->control_port_emif1_sdram_config)); + writel(io_settings, + (*ctrl)->control_port_emif1_sdram_config); - io_settings = (readl(&(ioregs_base->control_port_emif2_sdram_config)) + io_settings = (readl((*ctrl)->control_port_emif2_sdram_config) & 0xFFEFFFFF); - writel(io_settings, - &(ioregs_base->control_port_emif2_sdram_config)); + writel(io_settings, + (*ctrl)->control_port_emif2_sdram_config); + } else { + writel(ioregs->ctrl_ddr_ctrl_ext_0, + (*ctrl)->control_ddr_control_ext_0); + } } /* @@ -134,88 +109,199 @@ static void io_settings_ddr3(void) void do_io_settings(void) { u32 io_settings = 0, mask = 0; - struct omap_sys_ctrl_regs *ioregs_base = - (struct omap_sys_ctrl_regs *) SYSCTRL_GENERAL_CORE_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)) & + io_settings = readl((*ctrl)->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)); + writel(io_settings, (*ctrl)->control_smart1io_padconf_0); /* Impedance settings Mcspi2 */ mask = (ds_mask << 30); - io_settings = readl(&(ioregs_base->control_smart1io_padconf_1)) & + io_settings = readl((*ctrl)->control_smart1io_padconf_1) & (~mask); io_settings |= (ds_60_ohm << 30); - writel(io_settings, &(ioregs_base->control_smart1io_padconf_1)); + writel(io_settings, (*ctrl)->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)) & + io_settings = readl((*ctrl)->control_smart1io_padconf_2) & (~mask); io_settings |= (ds_45_ohm << 14) | (ds_45_ohm << 16); - writel(io_settings, &(ioregs_base->control_smart1io_padconf_2)); + writel(io_settings, (*ctrl)->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)) & + io_settings = readl((*ctrl)->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)); + writel(io_settings, (*ctrl)->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)) & + io_settings = readl((*ctrl)->control_smart2io_padconf_1) & (~mask); io_settings |= (sc_fast << 28) | (sc_fast << 24); - writel(io_settings, &(ioregs_base->control_smart2io_padconf_1)); + writel(io_settings, (*ctrl)->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)) & + io_settings = readl((*ctrl)->control_smart2io_padconf_2) & (~mask); io_settings |= (sc_na << 16) | (sc_na << 18); - writel(io_settings, &(ioregs_base->control_smart2io_padconf_2)); + writel(io_settings, (*ctrl)->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)) & + io_settings = readl((*ctrl)->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)); + writel(io_settings, (*ctrl)->control_smart3io_padconf_1); if (emif_sdram_type() == EMIF_SDRAM_TYPE_LPDDR2) io_settings_lpddr2(); else io_settings_ddr3(); +} + +static const struct srcomp_params srcomp_parameters[NUM_SYS_CLKS] = { + {0x45, 0x1}, /* 12 MHz */ + {-1, -1}, /* 13 MHz */ + {0x63, 0x2}, /* 16.8 MHz */ + {0x57, 0x2}, /* 19.2 MHz */ + {0x20, 0x1}, /* 26 MHz */ + {-1, -1}, /* 27 MHz */ + {0x41, 0x3} /* 38.4 MHz */ +}; + +void srcomp_enable(void) +{ + u32 srcomp_value, mul_factor, div_factor, clk_val, i; + u32 sysclk_ind = get_sys_clk_index(); + u32 omap_rev = omap_revision(); + + if (!is_omap54xx()) + return; + + mul_factor = srcomp_parameters[sysclk_ind].multiply_factor; + div_factor = srcomp_parameters[sysclk_ind].divide_factor; + + for (i = 0; i < 4; i++) { + srcomp_value = readl((*ctrl)->control_srcomp_north_side + i*4); + srcomp_value &= + ~(MULTIPLY_FACTOR_XS_MASK | DIVIDE_FACTOR_XS_MASK); + srcomp_value |= (mul_factor << MULTIPLY_FACTOR_XS_SHIFT) | + (div_factor << DIVIDE_FACTOR_XS_SHIFT); + writel(srcomp_value, (*ctrl)->control_srcomp_north_side + i*4); + } + + if ((omap_rev == OMAP5430_ES1_0) || (omap_rev == OMAP5432_ES1_0)) { + clk_val = readl((*prcm)->cm_coreaon_io_srcomp_clkctrl); + clk_val |= OPTFCLKEN_SRCOMP_FCLK_MASK; + writel(clk_val, (*prcm)->cm_coreaon_io_srcomp_clkctrl); + + for (i = 0; i < 4; i++) { + srcomp_value = + readl((*ctrl)->control_srcomp_north_side + i*4); + srcomp_value &= ~PWRDWN_XS_MASK; + writel(srcomp_value, + (*ctrl)->control_srcomp_north_side + i*4); + + while (((readl((*ctrl)->control_srcomp_north_side + i*4) + & SRCODE_READ_XS_MASK) >> + SRCODE_READ_XS_SHIFT) == 0) + ; + + srcomp_value = + readl((*ctrl)->control_srcomp_north_side + i*4); + srcomp_value &= ~OVERRIDE_XS_MASK; + writel(srcomp_value, + (*ctrl)->control_srcomp_north_side + i*4); + } + } else { + srcomp_value = readl((*ctrl)->control_srcomp_east_side_wkup); + srcomp_value &= ~(MULTIPLY_FACTOR_XS_MASK | + DIVIDE_FACTOR_XS_MASK); + srcomp_value |= (mul_factor << MULTIPLY_FACTOR_XS_SHIFT) | + (div_factor << DIVIDE_FACTOR_XS_SHIFT); + writel(srcomp_value, (*ctrl)->control_srcomp_east_side_wkup); + + for (i = 0; i < 4; i++) { + srcomp_value = + readl((*ctrl)->control_srcomp_north_side + i*4); + srcomp_value |= SRCODE_OVERRIDE_SEL_XS_MASK; + writel(srcomp_value, + (*ctrl)->control_srcomp_north_side + i*4); + + srcomp_value = + readl((*ctrl)->control_srcomp_north_side + i*4); + srcomp_value &= ~OVERRIDE_XS_MASK; + writel(srcomp_value, + (*ctrl)->control_srcomp_north_side + i*4); + } + + srcomp_value = + readl((*ctrl)->control_srcomp_east_side_wkup); + srcomp_value |= SRCODE_OVERRIDE_SEL_XS_MASK; + writel(srcomp_value, (*ctrl)->control_srcomp_east_side_wkup); - /* 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)); + srcomp_value = + readl((*ctrl)->control_srcomp_east_side_wkup); + srcomp_value &= ~OVERRIDE_XS_MASK; + writel(srcomp_value, (*ctrl)->control_srcomp_east_side_wkup); + + clk_val = readl((*prcm)->cm_coreaon_io_srcomp_clkctrl); + clk_val |= OPTFCLKEN_SRCOMP_FCLK_MASK; + writel(clk_val, (*prcm)->cm_coreaon_io_srcomp_clkctrl); + + clk_val = readl((*prcm)->cm_wkupaon_io_srcomp_clkctrl); + clk_val |= OPTFCLKEN_SRCOMP_FCLK_MASK; + writel(clk_val, (*prcm)->cm_wkupaon_io_srcomp_clkctrl); + + for (i = 0; i < 4; i++) { + while (((readl((*ctrl)->control_srcomp_north_side + i*4) + & SRCODE_READ_XS_MASK) >> + SRCODE_READ_XS_SHIFT) == 0) + ; + + srcomp_value = + readl((*ctrl)->control_srcomp_north_side + i*4); + srcomp_value &= ~SRCODE_OVERRIDE_SEL_XS_MASK; + writel(srcomp_value, + (*ctrl)->control_srcomp_north_side + i*4); + } + + while (((readl((*ctrl)->control_srcomp_east_side_wkup) & + SRCODE_READ_XS_MASK) >> SRCODE_READ_XS_SHIFT) == 0) + ; + + srcomp_value = + readl((*ctrl)->control_srcomp_east_side_wkup); + srcomp_value &= ~SRCODE_OVERRIDE_SEL_XS_MASK; + writel(srcomp_value, (*ctrl)->control_srcomp_east_side_wkup); + } } #endif void config_data_eye_leveling_samples(u32 emif_base) { - struct omap_sys_ctrl_regs *ioregs_base = - (struct omap_sys_ctrl_regs *) SYSCTRL_GENERAL_CORE_BASE; + const struct ctrl_ioregs *ioregs; + + get_ioregs(&ioregs); /*EMIF_SDRAM_CONFIG_EXT-Read data eye leveling no of samples =4*/ if (emif_base == EMIF1_BASE) - writel(SDRAM_CONFIG_EXT_RD_LVL_4_SAMPLES, - &(ioregs_base->control_emif1_sdram_config_ext)); + writel(ioregs->ctrl_emif_sdram_config_ext_final, + (*ctrl)->control_emif1_sdram_config_ext); else if (emif_base == EMIF2_BASE) - writel(SDRAM_CONFIG_EXT_RD_LVL_4_SAMPLES, - &(ioregs_base->control_emif2_sdram_config_ext)); + writel(ioregs->ctrl_emif_sdram_config_ext_final, + (*ctrl)->control_emif2_sdram_config_ext); } void init_omap_revision(void) @@ -227,17 +313,31 @@ void init_omap_revision(void) */ unsigned int rev = cortex_rev(); - switch (rev) { - case MIDR_CORTEX_A15_R0P0: - switch (readl(CONTROL_ID_CODE)) { - case OMAP5430_CONTROL_ID_CODE_ES1_0: - *omap_si_rev = OMAP5430_ES1_0; - break; - case OMAP5432_CONTROL_ID_CODE_ES1_0: - default: - *omap_si_rev = OMAP5432_ES1_0; - break; - } + switch (readl(CONTROL_ID_CODE)) { + case OMAP5430_CONTROL_ID_CODE_ES1_0: + *omap_si_rev = OMAP5430_ES1_0; + if (rev == MIDR_CORTEX_A15_R2P2) + *omap_si_rev = OMAP5430_ES2_0; + break; + case OMAP5432_CONTROL_ID_CODE_ES1_0: + *omap_si_rev = OMAP5432_ES1_0; + if (rev == MIDR_CORTEX_A15_R2P2) + *omap_si_rev = OMAP5432_ES2_0; + break; + case OMAP5430_CONTROL_ID_CODE_ES2_0: + *omap_si_rev = OMAP5430_ES2_0; + break; + case OMAP5432_CONTROL_ID_CODE_ES2_0: + *omap_si_rev = OMAP5432_ES2_0; + break; + case DRA752_CONTROL_ID_CODE_ES1_0: + *omap_si_rev = DRA752_ES1_0; + break; + case DRA752_CONTROL_ID_CODE_ES1_1: + *omap_si_rev = DRA752_ES1_1; + break; + case DRA722_CONTROL_ID_CODE_ES1_0: + *omap_si_rev = DRA722_ES1_0; break; default: *omap_si_rev = OMAP5430_SILICON_ID_INVALID; @@ -253,7 +353,31 @@ void reset_cpu(ulong ignored) * So use cold reset in case instead. */ if (omap_rev == OMAP5430_ES1_0) - writel(PRM_RSTCTRL_RESET << 0x1, PRM_RSTCTRL); + writel(PRM_RSTCTRL_RESET << 0x1, (*prcm)->prm_rstctrl); else - writel(PRM_RSTCTRL_RESET, PRM_RSTCTRL); + writel(PRM_RSTCTRL_RESET, (*prcm)->prm_rstctrl); +} + +u32 warm_reset(void) +{ + return readl((*prcm)->prm_rstst) & PRM_RSTST_WARM_RESET_MASK; +} + +void setup_warmreset_time(void) +{ + u32 rst_time, rst_val; + +#ifndef CONFIG_OMAP_PLATFORM_RESET_TIME_MAX_USEC + rst_time = CONFIG_DEFAULT_OMAP_RESET_TIME_MAX_USEC; +#else + rst_time = CONFIG_OMAP_PLATFORM_RESET_TIME_MAX_USEC; +#endif + rst_time = usec_to_32k(rst_time) << RSTTIME1_SHIFT; + + if (rst_time > RSTTIME1_MASK) + rst_time = RSTTIME1_MASK; + + rst_val = readl((*prcm)->prm_rsttime) & ~RSTTIME1_MASK; + rst_val |= rst_time; + writel(rst_val, (*prcm)->prm_rsttime); }