135 lines
3.2 KiB
C
135 lines
3.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2016 Compulab, Ltd.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <spl.h>
|
|
#include <i2c.h>
|
|
#include <asm/arch/clock.h>
|
|
#include <asm/arch/ddr_defs.h>
|
|
#include <asm/gpio.h>
|
|
#include <power/pmic.h>
|
|
#include <power/tps65218.h>
|
|
#include "board.h"
|
|
|
|
const struct dpll_params dpll_mpu = { 800, 24, 1, -1, -1, -1, -1 };
|
|
const struct dpll_params dpll_core = { 1000, 24, -1, -1, 10, 8, 4 };
|
|
const struct dpll_params dpll_per = { 960, 24, 5, -1, -1, -1, -1 };
|
|
const struct dpll_params dpll_ddr = { 400, 23, 1, -1, 1, -1, -1 };
|
|
|
|
const struct ctrl_ioregs ioregs_ddr3 = {
|
|
.cm0ioctl = DDR3_ADDRCTRL_IOCTRL_VALUE,
|
|
.cm1ioctl = DDR3_ADDRCTRL_WD0_IOCTRL_VALUE,
|
|
.cm2ioctl = DDR3_ADDRCTRL_WD1_IOCTRL_VALUE,
|
|
.dt0ioctl = DDR3_DATA0_IOCTRL_VALUE,
|
|
.dt1ioctl = DDR3_DATA0_IOCTRL_VALUE,
|
|
.dt2ioctrl = DDR3_DATA0_IOCTRL_VALUE,
|
|
.dt3ioctrl = DDR3_DATA0_IOCTRL_VALUE,
|
|
.emif_sdram_config_ext = 0x0143,
|
|
};
|
|
|
|
/* EMIF DDR3 Configurations are different for production AM43X GP EVMs */
|
|
struct emif_regs ddr3_emif_regs = {
|
|
.sdram_config = 0x638413B2,
|
|
.ref_ctrl = 0x00000C30,
|
|
.sdram_tim1 = 0xEAAAD4DB,
|
|
.sdram_tim2 = 0x266B7FDA,
|
|
.sdram_tim3 = 0x107F8678,
|
|
.read_idle_ctrl = 0x00050000,
|
|
.zq_config = 0x50074BE4,
|
|
.temp_alert_config = 0x0,
|
|
.emif_ddr_phy_ctlr_1 = 0x0E004008,
|
|
.emif_ddr_ext_phy_ctrl_1 = 0x08020080,
|
|
.emif_ddr_ext_phy_ctrl_2 = 0x00000066,
|
|
.emif_ddr_ext_phy_ctrl_3 = 0x00000091,
|
|
.emif_ddr_ext_phy_ctrl_4 = 0x000000B9,
|
|
.emif_ddr_ext_phy_ctrl_5 = 0x000000E6,
|
|
.emif_rd_wr_exec_thresh = 0x80000405,
|
|
.emif_prio_class_serv_map = 0x80000001,
|
|
.emif_connect_id_serv_1_map = 0x80000094,
|
|
.emif_connect_id_serv_2_map = 0x00000000,
|
|
.emif_cos_config = 0x000FFFFF
|
|
};
|
|
|
|
const u32 ext_phy_ctrl_const_base_ddr3[] = {
|
|
0x00000000,
|
|
0x00000044,
|
|
0x00000044,
|
|
0x00000046,
|
|
0x00000046,
|
|
0x00000000,
|
|
0x00000059,
|
|
0x00000077,
|
|
0x00000093,
|
|
0x000000A8,
|
|
0x00000000,
|
|
0x00000019,
|
|
0x00000037,
|
|
0x00000053,
|
|
0x00000068,
|
|
0x00000000,
|
|
0x0,
|
|
0x0,
|
|
0x40000000,
|
|
0x08102040
|
|
};
|
|
|
|
void emif_get_ext_phy_ctrl_const_regs(const u32 **regs, u32 *size)
|
|
{
|
|
*regs = ext_phy_ctrl_const_base_ddr3;
|
|
*size = ARRAY_SIZE(ext_phy_ctrl_const_base_ddr3);
|
|
}
|
|
|
|
const struct dpll_params *get_dpll_ddr_params(void)
|
|
{
|
|
return &dpll_ddr;
|
|
}
|
|
|
|
const struct dpll_params *get_dpll_mpu_params(void)
|
|
{
|
|
return &dpll_mpu;
|
|
}
|
|
|
|
const struct dpll_params *get_dpll_core_params(void)
|
|
{
|
|
return &dpll_core;
|
|
}
|
|
|
|
const struct dpll_params *get_dpll_per_params(void)
|
|
{
|
|
return &dpll_per;
|
|
}
|
|
|
|
void scale_vcores(void)
|
|
{
|
|
set_i2c_pin_mux();
|
|
i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
|
|
if (i2c_probe(TPS65218_CHIP_PM))
|
|
return;
|
|
|
|
tps65218_voltage_update(TPS65218_DCDC1, TPS65218_DCDC_VOLT_SEL_1100MV);
|
|
tps65218_voltage_update(TPS65218_DCDC2, TPS65218_DCDC_VOLT_SEL_1100MV);
|
|
}
|
|
|
|
void sdram_init(void)
|
|
{
|
|
unsigned long ram_size;
|
|
|
|
config_ddr(0, &ioregs_ddr3, NULL, NULL, &ddr3_emif_regs, 0);
|
|
ram_size = get_ram_size((long int *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
|
|
if (ram_size == 0x80000000 ||
|
|
ram_size == 0x40000000 ||
|
|
ram_size == 0x20000000)
|
|
return;
|
|
|
|
ddr3_emif_regs.sdram_config = 0x638453B2;
|
|
config_ddr(0, &ioregs_ddr3, NULL, NULL, &ddr3_emif_regs, 0);
|
|
ram_size = get_ram_size((long int *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
|
|
if (ram_size == 0x08000000)
|
|
return;
|
|
|
|
hang();
|
|
}
|
|
|