2 * Copyright (C) 2016 Compulab, Ltd.
4 * SPDX-License-Identifier: GPL-2.0+
10 #include <asm/arch/clock.h>
11 #include <asm/arch/ddr_defs.h>
13 #include <power/pmic.h>
14 #include <power/tps65218.h>
17 const struct dpll_params dpll_mpu = { 800, 24, 1, -1, -1, -1, -1 };
18 const struct dpll_params dpll_core = { 1000, 24, -1, -1, 10, 8, 4 };
19 const struct dpll_params dpll_per = { 960, 24, 5, -1, -1, -1, -1 };
20 const struct dpll_params dpll_ddr = { 400, 23, 1, -1, 1, -1, -1 };
22 const struct ctrl_ioregs ioregs_ddr3 = {
23 .cm0ioctl = DDR3_ADDRCTRL_IOCTRL_VALUE,
24 .cm1ioctl = DDR3_ADDRCTRL_WD0_IOCTRL_VALUE,
25 .cm2ioctl = DDR3_ADDRCTRL_WD1_IOCTRL_VALUE,
26 .dt0ioctl = DDR3_DATA0_IOCTRL_VALUE,
27 .dt1ioctl = DDR3_DATA0_IOCTRL_VALUE,
28 .dt2ioctrl = DDR3_DATA0_IOCTRL_VALUE,
29 .dt3ioctrl = DDR3_DATA0_IOCTRL_VALUE,
30 .emif_sdram_config_ext = 0x0143,
33 /* EMIF DDR3 Configurations are different for production AM43X GP EVMs */
34 struct emif_regs ddr3_emif_regs = {
35 .sdram_config = 0x638413B2,
36 .ref_ctrl = 0x00000C30,
37 .sdram_tim1 = 0xEAAAD4DB,
38 .sdram_tim2 = 0x266B7FDA,
39 .sdram_tim3 = 0x107F8678,
40 .read_idle_ctrl = 0x00050000,
41 .zq_config = 0x50074BE4,
42 .temp_alert_config = 0x0,
43 .emif_ddr_phy_ctlr_1 = 0x0E004008,
44 .emif_ddr_ext_phy_ctrl_1 = 0x08020080,
45 .emif_ddr_ext_phy_ctrl_2 = 0x00000066,
46 .emif_ddr_ext_phy_ctrl_3 = 0x00000091,
47 .emif_ddr_ext_phy_ctrl_4 = 0x000000B9,
48 .emif_ddr_ext_phy_ctrl_5 = 0x000000E6,
49 .emif_rd_wr_exec_thresh = 0x80000405,
50 .emif_prio_class_serv_map = 0x80000001,
51 .emif_connect_id_serv_1_map = 0x80000094,
52 .emif_connect_id_serv_2_map = 0x00000000,
53 .emif_cos_config = 0x000FFFFF
56 const u32 ext_phy_ctrl_const_base_ddr3[] = {
79 void emif_get_ext_phy_ctrl_const_regs(const u32 **regs, u32 *size)
81 *regs = ext_phy_ctrl_const_base_ddr3;
82 *size = ARRAY_SIZE(ext_phy_ctrl_const_base_ddr3);
85 const struct dpll_params *get_dpll_ddr_params(void)
90 const struct dpll_params *get_dpll_mpu_params(void)
95 const struct dpll_params *get_dpll_core_params(void)
100 const struct dpll_params *get_dpll_per_params(void)
105 void scale_vcores(void)
108 i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
109 if (i2c_probe(TPS65218_CHIP_PM))
112 tps65218_voltage_update(TPS65218_DCDC1, TPS65218_DCDC_VOLT_SEL_1100MV);
113 tps65218_voltage_update(TPS65218_DCDC2, TPS65218_DCDC_VOLT_SEL_1100MV);
116 void sdram_init(void)
118 unsigned long ram_size;
120 config_ddr(0, &ioregs_ddr3, NULL, NULL, &ddr3_emif_regs, 0);
121 ram_size = get_ram_size((long int *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
122 if (ram_size == 0x80000000 ||
123 ram_size == 0x40000000 ||
124 ram_size == 0x20000000)
127 ddr3_emif_regs.sdram_config = 0x638453B2;
128 config_ddr(0, &ioregs_ddr3, NULL, NULL, &ddr3_emif_regs, 0);
129 ram_size = get_ram_size((long int *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
130 if (ram_size == 0x08000000)