* Steve Sakoman <steve@sakoman.com>
* Sricharan <r.sricharan@ti.com>
*
- * 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 <common.h>
#include <asm/armv7.h>
#include <asm/arch/cpu.h>
#include <asm/arch/sys_proto.h>
-#include <asm/sizes.h>
+#include <asm/arch/clock.h>
+#include <linux/sizes.h>
#include <asm/utils.h>
#include <asm/arch/gpio.h>
+#include <asm/emif.h>
+#include <asm/omap_common.h>
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;
+void do_set_mux32(u32 base, struct pad_conf_entry const *array, int size)
+{
+ int i;
+ struct pad_conf_entry *pad = (struct pad_conf_entry *)array;
+
+ for (i = 0; i < size; i++, pad++)
+ writel(pad->val, base + pad->offset);
+}
+
#ifdef CONFIG_SPL_BUILD
+/* LPDDR2 specific IO settings */
+static void io_settings_lpddr2(void)
+{
+ 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;
+ 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);
+
+ if (!is_dra7xx()) {
+ writel(ioregs->ctrl_ddrio_2, (*ctrl)->control_ddrio_2);
+ writel(ioregs->ctrl_lpddr2ch, (*ctrl)->control_lpddr2ch1_1);
+ }
+
+ /* omap5432 does not use lpddr2 */
+ writel(ioregs->ctrl_lpddr2ch, (*ctrl)->control_lpddr2ch1_0);
+
+ writel(ioregs->ctrl_emif_sdram_config_ext,
+ (*ctrl)->control_emif1_sdram_config_ext);
+ if (!is_dra72x())
+ writel(ioregs->ctrl_emif_sdram_config_ext,
+ (*ctrl)->control_emif2_sdram_config_ext);
+
+ if (is_omap54xx()) {
+ /* Disable DLL select */
+ io_settings = (readl((*ctrl)->control_port_emif1_sdram_config)
+ & 0xFFEFFFFF);
+ writel(io_settings,
+ (*ctrl)->control_port_emif1_sdram_config);
+
+ io_settings = (readl((*ctrl)->control_port_emif2_sdram_config)
+ & 0xFFEFFFFF);
+ writel(io_settings,
+ (*ctrl)->control_port_emif2_sdram_config);
+ } else {
+ writel(ioregs->ctrl_ddr_ctrl_ext_0,
+ (*ctrl)->control_ddr_control_ext_0);
+ }
+}
+
/*
* Some tuning of IOs for optimal power and performance
*/
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;
+ struct emif_reg_struct *emif = (struct emif_reg_struct *)EMIF1_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));
-
- /* 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));
+ writel(io_settings, (*ctrl)->control_smart3io_padconf_1);
+
+ if (emif_sdram_type(emif->emif_sdram_config) == 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);
+
+ 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)
+{
+ 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(ioregs->ctrl_emif_sdram_config_ext_final,
+ (*ctrl)->control_emif1_sdram_config_ext);
+ else if (emif_base == EMIF2_BASE)
+ writel(ioregs->ctrl_emif_sdram_config_ext_final,
+ (*ctrl)->control_emif2_sdram_config_ext);
+}
+
+void init_cpu_configuration(void)
+{
+ u32 l2actlr;
+
+ asm volatile("mrc p15, 1, %0, c15, c0, 0" : "=r"(l2actlr));
+ /*
+ * L2ACTLR: Ensure to enable the following:
+ * 3: Disable clean/evict push to external
+ * 4: Disable WriteUnique and WriteLineUnique transactions from master
+ * 8: Disable DVM/CMO message broadcast
+ */
+ l2actlr |= 0x118;
+ omap_smc1(OMAP5_SERVICE_L2ACTLR_SET, l2actlr);
+}
+
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;
+ 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;
}
+ init_cpu_configuration();
+}
+
+void reset_cpu(ulong ignored)
+{
+ u32 omap_rev = omap_revision();
+
+ /*
+ * WARM reset is not functional in case of OMAP5430 ES1.0 soc.
+ * So use cold reset in case instead.
+ */
+ if (omap_rev == OMAP5430_ES1_0)
+ writel(PRM_RSTCTRL_RESET << 0x1, (*prcm)->prm_rstctrl);
+ else
+ 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);
+}
+
+void v7_arch_cp15_set_l2aux_ctrl(u32 l2auxctrl, u32 cpu_midr,
+ u32 cpu_rev_comb, u32 cpu_variant,
+ u32 cpu_rev)
+{
+ omap_smc1(OMAP5_SERVICE_L2ACTLR_SET, l2auxctrl);
+}
+
+void v7_arch_cp15_set_acr(u32 acr, u32 cpu_midr, u32 cpu_rev_comb,
+ u32 cpu_variant, u32 cpu_rev)
+{
+
+#ifdef CONFIG_ARM_ERRATA_801819
+ /*
+ * DRA72x processors are uniprocessors and DONOT have
+ * ACP (Accelerator Coherency Port) hooked to ACE (AXI Coherency
+ * Extensions) Hence the erratum workaround is not applicable for
+ * DRA72x processors.
+ */
+ if (is_dra72x())
+ acr &= ~((0x3 << 23) | (0x3 << 25));
+#endif
+ omap_smc1(OMAP5_SERVICE_ACR_SET, acr);
}
projects / karo-tx-uboot.git / blobdiff