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u-boot/board/ti/am43xx/board.c
Joe Hershberger 0adb5b761f net: cosmetic: Name ethaddr variables consistently 
Use "_ethaddr" at the end of variables and drop CamelCase.
Make constant values actually 'const'.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Simon Glass <sjg@chromium.org>
2015-04-18 11:11:32 -06:00

848 lines
22 KiB
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/*
* board.c
*
* Board functions for TI AM43XX based boards
*
* Copyright (C) 2013, Texas Instruments, Incorporated - http://www.ti.com/
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <i2c.h>
#include <asm/errno.h>
#include <spl.h>
#include <usb.h>
#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mux.h>
#include <asm/arch/ddr_defs.h>
#include <asm/arch/gpio.h>
#include <asm/emif.h>
#include "board.h"
#include <power/pmic.h>
#include <power/tps65218.h>
#include <power/tps62362.h>
#include <miiphy.h>
#include <cpsw.h>
#include <linux/usb/gadget.h>
#include <dwc3-uboot.h>
#include <dwc3-omap-uboot.h>
#include <ti-usb-phy-uboot.h>
DECLARE_GLOBAL_DATA_PTR;
static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
/*
* Read header information from EEPROM into global structure.
*/
static int read_eeprom(struct am43xx_board_id *header)
{
/* Check if baseboard eeprom is available */
if (i2c_probe(CONFIG_SYS_I2C_EEPROM_ADDR)) {
printf("Could not probe the EEPROM at 0x%x\n",
CONFIG_SYS_I2C_EEPROM_ADDR);
return -ENODEV;
}
/* read the eeprom using i2c */
if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 2, (uchar *)header,
sizeof(struct am43xx_board_id))) {
printf("Could not read the EEPROM\n");
return -EIO;
}
if (header->magic != 0xEE3355AA) {
/*
* read the eeprom using i2c again,
* but use only a 1 byte address
*/
if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 1, (uchar *)header,
sizeof(struct am43xx_board_id))) {
printf("Could not read the EEPROM at 0x%x\n",
CONFIG_SYS_I2C_EEPROM_ADDR);
return -EIO;
}
if (header->magic != 0xEE3355AA) {
printf("Incorrect magic number (0x%x) in EEPROM\n",
header->magic);
return -EINVAL;
}
}
strncpy(am43xx_board_name, (char *)header->name, sizeof(header->name));
am43xx_board_name[sizeof(header->name)] = 0;
strncpy(am43xx_board_rev, (char *)header->version, sizeof(header->version));
am43xx_board_rev[sizeof(header->version)] = 0;
return 0;
}
#ifndef CONFIG_SKIP_LOWLEVEL_INIT
#define NUM_OPPS 6
const struct dpll_params dpll_mpu[NUM_CRYSTAL_FREQ][NUM_OPPS] = {
{ /* 19.2 MHz */
{125, 3, 2, -1, -1, -1, -1}, /* OPP 50 */
{-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */
{125, 3, 1, -1, -1, -1, -1}, /* OPP 100 */
{150, 3, 1, -1, -1, -1, -1}, /* OPP 120 */
{125, 2, 1, -1, -1, -1, -1}, /* OPP TB */
{625, 11, 1, -1, -1, -1, -1} /* OPP NT */
},
{ /* 24 MHz */
{300, 23, 1, -1, -1, -1, -1}, /* OPP 50 */
{-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */
{600, 23, 1, -1, -1, -1, -1}, /* OPP 100 */
{720, 23, 1, -1, -1, -1, -1}, /* OPP 120 */
{800, 23, 1, -1, -1, -1, -1}, /* OPP TB */
{1000, 23, 1, -1, -1, -1, -1} /* OPP NT */
},
{ /* 25 MHz */
{300, 24, 1, -1, -1, -1, -1}, /* OPP 50 */
{-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */
{600, 24, 1, -1, -1, -1, -1}, /* OPP 100 */
{720, 24, 1, -1, -1, -1, -1}, /* OPP 120 */
{800, 24, 1, -1, -1, -1, -1}, /* OPP TB */
{1000, 24, 1, -1, -1, -1, -1} /* OPP NT */
},
{ /* 26 MHz */
{300, 25, 1, -1, -1, -1, -1}, /* OPP 50 */
{-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */
{600, 25, 1, -1, -1, -1, -1}, /* OPP 100 */
{720, 25, 1, -1, -1, -1, -1}, /* OPP 120 */
{800, 25, 1, -1, -1, -1, -1}, /* OPP TB */
{1000, 25, 1, -1, -1, -1, -1} /* OPP NT */
},
};
const struct dpll_params dpll_core[NUM_CRYSTAL_FREQ] = {
{625, 11, -1, -1, 10, 8, 4}, /* 19.2 MHz */
{1000, 23, -1, -1, 10, 8, 4}, /* 24 MHz */
{1000, 24, -1, -1, 10, 8, 4}, /* 25 MHz */
{1000, 25, -1, -1, 10, 8, 4} /* 26 MHz */
};
const struct dpll_params dpll_per[NUM_CRYSTAL_FREQ] = {
{400, 7, 5, -1, -1, -1, -1}, /* 19.2 MHz */
{400, 9, 5, -1, -1, -1, -1}, /* 24 MHz */
{384, 9, 5, -1, -1, -1, -1}, /* 25 MHz */
{480, 12, 5, -1, -1, -1, -1} /* 26 MHz */
};
const struct dpll_params epos_evm_dpll_ddr[NUM_CRYSTAL_FREQ] = {
{665, 47, 1, -1, 4, -1, -1}, /*19.2*/
{133, 11, 1, -1, 4, -1, -1}, /* 24 MHz */
{266, 24, 1, -1, 4, -1, -1}, /* 25 MHz */
{133, 12, 1, -1, 4, -1, -1} /* 26 MHz */
};
const struct dpll_params gp_evm_dpll_ddr = {
50, 2, 1, -1, 2, -1, -1};
static const struct dpll_params idk_dpll_ddr = {
400, 23, 1, -1, 2, -1, -1
};
const struct ctrl_ioregs ioregs_lpddr2 = {
.cm0ioctl = LPDDR2_ADDRCTRL_IOCTRL_VALUE,
.cm1ioctl = LPDDR2_ADDRCTRL_WD0_IOCTRL_VALUE,
.cm2ioctl = LPDDR2_ADDRCTRL_WD1_IOCTRL_VALUE,
.dt0ioctl = LPDDR2_DATA0_IOCTRL_VALUE,
.dt1ioctl = LPDDR2_DATA0_IOCTRL_VALUE,
.dt2ioctrl = LPDDR2_DATA0_IOCTRL_VALUE,
.dt3ioctrl = LPDDR2_DATA0_IOCTRL_VALUE,
.emif_sdram_config_ext = 0x1,
};
const struct emif_regs emif_regs_lpddr2 = {
.sdram_config = 0x808012BA,
.ref_ctrl = 0x0000040D,
.sdram_tim1 = 0xEA86B411,
.sdram_tim2 = 0x103A094A,
.sdram_tim3 = 0x0F6BA37F,
.read_idle_ctrl = 0x00050000,
.zq_config = 0x50074BE4,
.temp_alert_config = 0x0,
.emif_rd_wr_lvl_rmp_win = 0x0,
.emif_rd_wr_lvl_rmp_ctl = 0x0,
.emif_rd_wr_lvl_ctl = 0x0,
.emif_ddr_phy_ctlr_1 = 0x0E284006,
.emif_rd_wr_exec_thresh = 0x80000405,
.emif_ddr_ext_phy_ctrl_1 = 0x04010040,
.emif_ddr_ext_phy_ctrl_2 = 0x00500050,
.emif_ddr_ext_phy_ctrl_3 = 0x00500050,
.emif_ddr_ext_phy_ctrl_4 = 0x00500050,
.emif_ddr_ext_phy_ctrl_5 = 0x00500050,
.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 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 = 0xc163,
};
const struct emif_regs ddr3_emif_regs_400Mhz = {
.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 = 0x00400040,
.emif_ddr_ext_phy_ctrl_3 = 0x00400040,
.emif_ddr_ext_phy_ctrl_4 = 0x00400040,
.emif_ddr_ext_phy_ctrl_5 = 0x00400040,
.emif_rd_wr_lvl_rmp_win = 0x0,
.emif_rd_wr_lvl_rmp_ctl = 0x0,
.emif_rd_wr_lvl_ctl = 0x0,
.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
};
/* EMIF DDR3 Configurations are different for beta AM43X GP EVMs */
const struct emif_regs ddr3_emif_regs_400Mhz_beta = {
.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 = 0x00000065,
.emif_ddr_ext_phy_ctrl_3 = 0x00000091,
.emif_ddr_ext_phy_ctrl_4 = 0x000000B5,
.emif_ddr_ext_phy_ctrl_5 = 0x000000E5,
.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
};
/* EMIF DDR3 Configurations are different for production AM43X GP EVMs */
const struct emif_regs ddr3_emif_regs_400Mhz_production = {
.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
};
static const struct emif_regs ddr3_sk_emif_regs_400Mhz = {
.sdram_config = 0x638413b2,
.sdram_config2 = 0x00000000,
.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 = 0x0e084008,
.emif_ddr_ext_phy_ctrl_1 = 0x08020080,
.emif_ddr_ext_phy_ctrl_2 = 0x89,
.emif_ddr_ext_phy_ctrl_3 = 0x90,
.emif_ddr_ext_phy_ctrl_4 = 0x8e,
.emif_ddr_ext_phy_ctrl_5 = 0x8d,
.emif_rd_wr_lvl_rmp_win = 0x0,
.emif_rd_wr_lvl_rmp_ctl = 0x00000000,
.emif_rd_wr_lvl_ctl = 0x00000000,
.emif_rd_wr_exec_thresh = 0x80000000,
.emif_prio_class_serv_map = 0x80000001,
.emif_connect_id_serv_1_map = 0x80000094,
.emif_connect_id_serv_2_map = 0x00000000,
.emif_cos_config = 0x000FFFFF
};
static const struct emif_regs ddr3_idk_emif_regs_400Mhz = {
.sdram_config = 0x61a11b32,
.sdram_config2 = 0x00000000,
.ref_ctrl = 0x00000c30,
.sdram_tim1 = 0xeaaad4db,
.sdram_tim2 = 0x266b7fda,
.sdram_tim3 = 0x107f8678,
.read_idle_ctrl = 0x00050000,
.zq_config = 0x50074be4,
.temp_alert_config = 0x00000000,
.emif_ddr_phy_ctlr_1 = 0x00008009,
.emif_ddr_ext_phy_ctrl_1 = 0x08020080,
.emif_ddr_ext_phy_ctrl_2 = 0x00000040,
.emif_ddr_ext_phy_ctrl_3 = 0x0000003e,
.emif_ddr_ext_phy_ctrl_4 = 0x00000051,
.emif_ddr_ext_phy_ctrl_5 = 0x00000051,
.emif_rd_wr_lvl_rmp_win = 0x00000000,
.emif_rd_wr_lvl_rmp_ctl = 0x00000000,
.emif_rd_wr_lvl_ctl = 0x00000000,
.emif_rd_wr_exec_thresh = 0x00000405,
.emif_prio_class_serv_map = 0x00000000,
.emif_connect_id_serv_1_map = 0x00000000,
.emif_connect_id_serv_2_map = 0x00000000,
.emif_cos_config = 0x00ffffff
};
/*
* get_sys_clk_index : returns the index of the sys_clk read from
* ctrl status register. This value is either
* read from efuse or sysboot pins.
*/
static u32 get_sys_clk_index(void)
{
struct ctrl_stat *ctrl = (struct ctrl_stat *)CTRL_BASE;
u32 ind = readl(&ctrl->statusreg), src;
src = (ind & CTRL_CRYSTAL_FREQ_SRC_MASK) >> CTRL_CRYSTAL_FREQ_SRC_SHIFT;
if (src == CTRL_CRYSTAL_FREQ_SRC_EFUSE) /* Value read from EFUSE */
return ((ind & CTRL_CRYSTAL_FREQ_SELECTION_MASK) >>
CTRL_CRYSTAL_FREQ_SELECTION_SHIFT);
else /* Value read from SYS BOOT pins */
return ((ind & CTRL_SYSBOOT_15_14_MASK) >>
CTRL_SYSBOOT_15_14_SHIFT);
}
const struct dpll_params *get_dpll_ddr_params(void)
{
int ind = get_sys_clk_index();
if (board_is_eposevm())
return &epos_evm_dpll_ddr[ind];
else if (board_is_gpevm() || board_is_sk())
return &gp_evm_dpll_ddr;
else if (board_is_idk())
return &idk_dpll_ddr;
printf(" Board '%s' not supported\n", am43xx_board_name);
return NULL;
}
/*
* get_opp_offset:
* Returns the index for safest OPP of the device to boot.
* max_off: Index of the MAX OPP in DEV ATTRIBUTE register.
* min_off: Index of the MIN OPP in DEV ATTRIBUTE register.
* This data is read from dev_attribute register which is e-fused.
* A'1' in bit indicates OPP disabled and not available, a '0' indicates
* OPP available. Lowest OPP starts with min_off. So returning the
* bit with rightmost '0'.
*/
static int get_opp_offset(int max_off, int min_off)
{
struct ctrl_stat *ctrl = (struct ctrl_stat *)CTRL_BASE;
int opp, offset, i;
/* Bits 0:11 are defined to be the MPU_MAX_FREQ */
opp = readl(&ctrl->dev_attr) & ~0xFFFFF000;
for (i = max_off; i >= min_off; i--) {
offset = opp & (1 << i);
if (!offset)
return i;
}
return min_off;
}
const struct dpll_params *get_dpll_mpu_params(void)
{
int opp = get_opp_offset(DEV_ATTR_MAX_OFFSET, DEV_ATTR_MIN_OFFSET);
u32 ind = get_sys_clk_index();
return &dpll_mpu[ind][opp];
}
const struct dpll_params *get_dpll_core_params(void)
{
int ind = get_sys_clk_index();
return &dpll_core[ind];
}
const struct dpll_params *get_dpll_per_params(void)
{
int ind = get_sys_clk_index();
return &dpll_per[ind];
}
void scale_vcores_generic(u32 m)
{
int mpu_vdd;
if (i2c_probe(TPS65218_CHIP_PM))
return;
switch (m) {
case 1000:
mpu_vdd = TPS65218_DCDC_VOLT_SEL_1330MV;
break;
case 800:
mpu_vdd = TPS65218_DCDC_VOLT_SEL_1260MV;
break;
case 720:
mpu_vdd = TPS65218_DCDC_VOLT_SEL_1200MV;
break;
case 600:
mpu_vdd = TPS65218_DCDC_VOLT_SEL_1100MV;
break;
case 300:
mpu_vdd = TPS65218_DCDC_VOLT_SEL_0950MV;
break;
default:
puts("Unknown MPU clock, not scaling\n");
return;
}
/* Set DCDC1 (CORE) voltage to 1.1V */
if (tps65218_voltage_update(TPS65218_DCDC1,
TPS65218_DCDC_VOLT_SEL_1100MV)) {
printf("%s failure\n", __func__);
return;
}
/* Set DCDC2 (MPU) voltage */
if (tps65218_voltage_update(TPS65218_DCDC2, mpu_vdd)) {
printf("%s failure\n", __func__);
return;
}
}
void scale_vcores_idk(u32 m)
{
int mpu_vdd;
if (i2c_probe(TPS62362_I2C_ADDR))
return;
switch (m) {
case 1000:
mpu_vdd = TPS62362_DCDC_VOLT_SEL_1330MV;
break;
case 800:
mpu_vdd = TPS62362_DCDC_VOLT_SEL_1260MV;
break;
case 720:
mpu_vdd = TPS62362_DCDC_VOLT_SEL_1200MV;
break;
case 600:
mpu_vdd = TPS62362_DCDC_VOLT_SEL_1100MV;
break;
case 300:
mpu_vdd = TPS62362_DCDC_VOLT_SEL_1330MV;
break;
default:
puts("Unknown MPU clock, not scaling\n");
return;
}
/* Set VDD_MPU voltage */
if (tps62362_voltage_update(TPS62362_SET3, mpu_vdd)) {
printf("%s failure\n", __func__);
return;
}
}
void scale_vcores(void)
{
const struct dpll_params *mpu_params;
struct am43xx_board_id header;
enable_i2c0_pin_mux();
i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
if (read_eeprom(&header) < 0)
puts("Could not get board ID.\n");
/* Get the frequency */
mpu_params = get_dpll_mpu_params();
if (board_is_idk())
scale_vcores_idk(mpu_params->m);
else
scale_vcores_generic(mpu_params->m);
}
void set_uart_mux_conf(void)
{
enable_uart0_pin_mux();
}
void set_mux_conf_regs(void)
{
enable_board_pin_mux();
}
static void enable_vtt_regulator(void)
{
u32 temp;
/* enable module */
writel(GPIO_CTRL_ENABLEMODULE, AM33XX_GPIO5_BASE + OMAP_GPIO_CTRL);
/* enable output for GPIO5_7 */
writel(GPIO_SETDATAOUT(7),
AM33XX_GPIO5_BASE + OMAP_GPIO_SETDATAOUT);
temp = readl(AM33XX_GPIO5_BASE + OMAP_GPIO_OE);
temp = temp & ~(GPIO_OE_ENABLE(7));
writel(temp, AM33XX_GPIO5_BASE + OMAP_GPIO_OE);
}
void sdram_init(void)
{
/*
* EPOS EVM has 1GB LPDDR2 connected to EMIF.
* GP EMV has 1GB DDR3 connected to EMIF
* along with VTT regulator.
*/
if (board_is_eposevm()) {
config_ddr(0, &ioregs_lpddr2, NULL, NULL, &emif_regs_lpddr2, 0);
} else if (board_is_evm_14_or_later()) {
enable_vtt_regulator();
config_ddr(0, &ioregs_ddr3, NULL, NULL,
&ddr3_emif_regs_400Mhz_production, 0);
} else if (board_is_evm_12_or_later()) {
enable_vtt_regulator();
config_ddr(0, &ioregs_ddr3, NULL, NULL,
&ddr3_emif_regs_400Mhz_beta, 0);
} else if (board_is_gpevm()) {
enable_vtt_regulator();
config_ddr(0, &ioregs_ddr3, NULL, NULL,
&ddr3_emif_regs_400Mhz, 0);
} else if (board_is_sk()) {
config_ddr(400, &ioregs_ddr3, NULL, NULL,
&ddr3_sk_emif_regs_400Mhz, 0);
} else if (board_is_idk()) {
config_ddr(400, &ioregs_ddr3, NULL, NULL,
&ddr3_idk_emif_regs_400Mhz, 0);
}
}
#endif
/* setup board specific PMIC */
int power_init_board(void)
{
struct pmic *p;
if (board_is_idk()) {
power_tps62362_init(I2C_PMIC);
p = pmic_get("TPS62362");
if (p && !pmic_probe(p))
puts("PMIC: TPS62362\n");
} else {
power_tps65218_init(I2C_PMIC);
p = pmic_get("TPS65218_PMIC");
if (p && !pmic_probe(p))
puts("PMIC: TPS65218\n");
}
return 0;
}
int board_init(void)
{
struct l3f_cfg_bwlimiter *bwlimiter = (struct l3f_cfg_bwlimiter *)L3F_CFG_BWLIMITER;
u32 mreqprio_0, mreqprio_1, modena_init0_bw_fractional,
modena_init0_bw_integer, modena_init0_watermark_0;
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
gpmc_init();
/* Clear all important bits for DSS errata that may need to be tweaked*/
mreqprio_0 = readl(&cdev->mreqprio_0) & MREQPRIO_0_SAB_INIT1_MASK &
MREQPRIO_0_SAB_INIT0_MASK;
mreqprio_1 = readl(&cdev->mreqprio_1) & MREQPRIO_1_DSS_MASK;
modena_init0_bw_fractional = readl(&bwlimiter->modena_init0_bw_fractional) &
BW_LIMITER_BW_FRAC_MASK;
modena_init0_bw_integer = readl(&bwlimiter->modena_init0_bw_integer) &
BW_LIMITER_BW_INT_MASK;
modena_init0_watermark_0 = readl(&bwlimiter->modena_init0_watermark_0) &
BW_LIMITER_BW_WATERMARK_MASK;
/* Setting MReq Priority of the DSS*/
mreqprio_0 |= 0x77;
/*
* Set L3 Fast Configuration Register
* Limiting bandwith for ARM core to 700 MBPS
*/
modena_init0_bw_fractional |= 0x10;
modena_init0_bw_integer |= 0x3;
writel(mreqprio_0, &cdev->mreqprio_0);
writel(mreqprio_1, &cdev->mreqprio_1);
writel(modena_init0_bw_fractional, &bwlimiter->modena_init0_bw_fractional);
writel(modena_init0_bw_integer, &bwlimiter->modena_init0_bw_integer);
writel(modena_init0_watermark_0, &bwlimiter->modena_init0_watermark_0);
return 0;
}
#ifdef CONFIG_BOARD_LATE_INIT
int board_late_init(void)
{
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
char safe_string[HDR_NAME_LEN + 1];
struct am43xx_board_id header;
if (read_eeprom(&header) < 0)
puts("Could not get board ID.\n");
/* Now set variables based on the header. */
strncpy(safe_string, (char *)header.name, sizeof(header.name));
safe_string[sizeof(header.name)] = 0;
setenv("board_name", safe_string);
strncpy(safe_string, (char *)header.version, sizeof(header.version));
safe_string[sizeof(header.version)] = 0;
setenv("board_rev", safe_string);
#endif
return 0;
}
#endif
#ifdef CONFIG_USB_DWC3
static struct dwc3_device usb_otg_ss1 = {
.maximum_speed = USB_SPEED_HIGH,
.base = USB_OTG_SS1_BASE,
.tx_fifo_resize = false,
.index = 0,
};
static struct dwc3_omap_device usb_otg_ss1_glue = {
.base = (void *)USB_OTG_SS1_GLUE_BASE,
.utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
.vbus_id_status = OMAP_DWC3_VBUS_VALID,
.index = 0,
};
static struct ti_usb_phy_device usb_phy1_device = {
.usb2_phy_power = (void *)USB2_PHY1_POWER,
.index = 0,
};
static struct dwc3_device usb_otg_ss2 = {
.maximum_speed = USB_SPEED_HIGH,
.base = USB_OTG_SS2_BASE,
.tx_fifo_resize = false,
.index = 1,
};
static struct dwc3_omap_device usb_otg_ss2_glue = {
.base = (void *)USB_OTG_SS2_GLUE_BASE,
.utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
.vbus_id_status = OMAP_DWC3_VBUS_VALID,
.index = 1,
};
static struct ti_usb_phy_device usb_phy2_device = {
.usb2_phy_power = (void *)USB2_PHY2_POWER,
.index = 1,
};
int board_usb_init(int index, enum usb_init_type init)
{
switch (index) {
case 0:
if (init == USB_INIT_DEVICE) {
usb_otg_ss1.dr_mode = USB_DR_MODE_PERIPHERAL;
usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
} else {
usb_otg_ss1.dr_mode = USB_DR_MODE_HOST;
usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_ID_GROUND;
}
dwc3_omap_uboot_init(&usb_otg_ss1_glue);
ti_usb_phy_uboot_init(&usb_phy1_device);
dwc3_uboot_init(&usb_otg_ss1);
break;
case 1:
if (init == USB_INIT_DEVICE) {
usb_otg_ss2.dr_mode = USB_DR_MODE_PERIPHERAL;
usb_otg_ss2_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
} else {
usb_otg_ss2.dr_mode = USB_DR_MODE_HOST;
usb_otg_ss2_glue.vbus_id_status = OMAP_DWC3_ID_GROUND;
}
ti_usb_phy_uboot_init(&usb_phy2_device);
dwc3_omap_uboot_init(&usb_otg_ss2_glue);
dwc3_uboot_init(&usb_otg_ss2);
break;
default:
printf("Invalid Controller Index\n");
}
return 0;
}
int board_usb_cleanup(int index, enum usb_init_type init)
{
switch (index) {
case 0:
case 1:
ti_usb_phy_uboot_exit(index);
dwc3_uboot_exit(index);
dwc3_omap_uboot_exit(index);
break;
default:
printf("Invalid Controller Index\n");
}
return 0;
}
int usb_gadget_handle_interrupts(int index)
{
u32 status;
status = dwc3_omap_uboot_interrupt_status(index);
if (status)
dwc3_uboot_handle_interrupt(index);
return 0;
}
#endif
#ifdef CONFIG_DRIVER_TI_CPSW
static void cpsw_control(int enabled)
{
/* Additional controls can be added here */
return;
}
static struct cpsw_slave_data cpsw_slaves[] = {
{
.slave_reg_ofs = 0x208,
.sliver_reg_ofs = 0xd80,
.phy_addr = 16,
},
{
.slave_reg_ofs = 0x308,
.sliver_reg_ofs = 0xdc0,
.phy_addr = 1,
},
};
static struct cpsw_platform_data cpsw_data = {
.mdio_base = CPSW_MDIO_BASE,
.cpsw_base = CPSW_BASE,
.mdio_div = 0xff,
.channels = 8,
.cpdma_reg_ofs = 0x800,
.slaves = 1,
.slave_data = cpsw_slaves,
.ale_reg_ofs = 0xd00,
.ale_entries = 1024,
.host_port_reg_ofs = 0x108,
.hw_stats_reg_ofs = 0x900,
.bd_ram_ofs = 0x2000,
.mac_control = (1 << 5),
.control = cpsw_control,
.host_port_num = 0,
.version = CPSW_CTRL_VERSION_2,
};
int board_eth_init(bd_t *bis)
{
int rv;
uint8_t mac_addr[6];
uint32_t mac_hi, mac_lo;
/* try reading mac address from efuse */
mac_lo = readl(&cdev->macid0l);
mac_hi = readl(&cdev->macid0h);
mac_addr[0] = mac_hi & 0xFF;
mac_addr[1] = (mac_hi & 0xFF00) >> 8;
mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
mac_addr[4] = mac_lo & 0xFF;
mac_addr[5] = (mac_lo & 0xFF00) >> 8;
if (!getenv("ethaddr")) {
puts("<ethaddr> not set. Validating first E-fuse MAC\n");
if (is_valid_ethaddr(mac_addr))
eth_setenv_enetaddr("ethaddr", mac_addr);
}
mac_lo = readl(&cdev->macid1l);
mac_hi = readl(&cdev->macid1h);
mac_addr[0] = mac_hi & 0xFF;
mac_addr[1] = (mac_hi & 0xFF00) >> 8;
mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
mac_addr[4] = mac_lo & 0xFF;
mac_addr[5] = (mac_lo & 0xFF00) >> 8;
if (!getenv("eth1addr")) {
if (is_valid_ethaddr(mac_addr))
eth_setenv_enetaddr("eth1addr", mac_addr);
}
if (board_is_eposevm()) {
writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel);
cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RMII;
cpsw_slaves[0].phy_addr = 16;
} else if (board_is_sk()) {
writel(RGMII_MODE_ENABLE, &cdev->miisel);
cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RGMII;
cpsw_slaves[0].phy_addr = 4;
cpsw_slaves[1].phy_addr = 5;
} else if (board_is_idk()) {
writel(RGMII_MODE_ENABLE, &cdev->miisel);
cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RGMII;
cpsw_slaves[0].phy_addr = 0;
} else {
writel(RGMII_MODE_ENABLE, &cdev->miisel);
cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RGMII;
cpsw_slaves[0].phy_addr = 0;
}
rv = cpsw_register(&cpsw_data);
if (rv < 0)
printf("Error %d registering CPSW switch\n", rv);
return rv;
}
#endif
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