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u-boot-brain/board/ti/am57xx/board.c
Nishanth Menon e52e334e5c ARM: DRA7: Add ABB setup for all domains 
ABB should be initialized for all required domains voltage domain
for DRA7: IVA, GPU, EVE in addition to the existing MPU domain. If
we do not do this, kernel configuring just the frequency using the
default boot loader configured voltage can fail on many corner lot
units and has been hard to debug. This specifically is a concern with
DRA7 generation of SoCs since other than VDD_MPU, all other domains
are only permitted to setup the voltages to required OPP only at boot.

Reported-by: Richard Woodruff <r-woodruff2@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
2016-04-25 15:10:41 -04:00

689 lines
16 KiB
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/*
* Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com
*
* Author: Felipe Balbi <balbi@ti.com>
*
* Based on board/ti/dra7xx/evm.c
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <palmas.h>
#include <sata.h>
#include <usb.h>
#include <asm/omap_common.h>
#include <asm/emif.h>
#include <asm/gpio.h>
#include <asm/arch/gpio.h>
#include <asm/arch/clock.h>
#include <asm/arch/dra7xx_iodelay.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/sata.h>
#include <asm/arch/gpio.h>
#include <asm/arch/omap.h>
#include <environment.h>
#include <usb.h>
#include <linux/usb/gadget.h>
#include <dwc3-uboot.h>
#include <dwc3-omap-uboot.h>
#include <ti-usb-phy-uboot.h>
#include "../common/board_detect.h"
#include "mux_data.h"
#define board_is_x15() board_ti_is("BBRDX15_")
#define board_is_am572x_evm() board_ti_is("AM572PM_")
#define board_is_am572x_idk() board_ti_is("AM572IDK")
#ifdef CONFIG_DRIVER_TI_CPSW
#include <cpsw.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
/* GPIO 7_11 */
#define GPIO_DDR_VTT_EN 203
#define SYSINFO_BOARD_NAME_MAX_LEN 45
const struct omap_sysinfo sysinfo = {
"Board: UNKNOWN(BeagleBoard X15?) REV UNKNOWN\n"
};
static const struct dmm_lisa_map_regs beagle_x15_lisa_regs = {
.dmm_lisa_map_3 = 0x80740300,
.is_ma_present = 0x1
};
void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs)
{
*dmm_lisa_regs = &beagle_x15_lisa_regs;
}
static const struct emif_regs beagle_x15_emif1_ddr3_532mhz_emif_regs = {
.sdram_config_init = 0x61851b32,
.sdram_config = 0x61851b32,
.sdram_config2 = 0x08000000,
.ref_ctrl = 0x000040F1,
.ref_ctrl_final = 0x00001035,
.sdram_tim1 = 0xcccf36ab,
.sdram_tim2 = 0x308f7fda,
.sdram_tim3 = 0x409f88a8,
.read_idle_ctrl = 0x00050000,
.zq_config = 0x5007190b,
.temp_alert_config = 0x00000000,
.emif_ddr_phy_ctlr_1_init = 0x0024400b,
.emif_ddr_phy_ctlr_1 = 0x0e24400b,
.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
.emif_ddr_ext_phy_ctrl_2 = 0x00910091,
.emif_ddr_ext_phy_ctrl_3 = 0x00950095,
.emif_ddr_ext_phy_ctrl_4 = 0x009b009b,
.emif_ddr_ext_phy_ctrl_5 = 0x009e009e,
.emif_rd_wr_lvl_rmp_win = 0x00000000,
.emif_rd_wr_lvl_rmp_ctl = 0x80000000,
.emif_rd_wr_lvl_ctl = 0x00000000,
.emif_rd_wr_exec_thresh = 0x00000305
};
/* Ext phy ctrl regs 1-35 */
static const u32 beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs[] = {
0x10040100,
0x00910091,
0x00950095,
0x009B009B,
0x009E009E,
0x00980098,
0x00340034,
0x00350035,
0x00340034,
0x00310031,
0x00340034,
0x007F007F,
0x007F007F,
0x007F007F,
0x007F007F,
0x007F007F,
0x00480048,
0x004A004A,
0x00520052,
0x00550055,
0x00500050,
0x00000000,
0x00600020,
0x40011080,
0x08102040,
0x0,
0x0,
0x0,
0x0,
0x0,
0x0,
0x0,
0x0,
0x0,
0x0
};
static const struct emif_regs beagle_x15_emif2_ddr3_532mhz_emif_regs = {
.sdram_config_init = 0x61851b32,
.sdram_config = 0x61851b32,
.sdram_config2 = 0x08000000,
.ref_ctrl = 0x000040F1,
.ref_ctrl_final = 0x00001035,
.sdram_tim1 = 0xcccf36b3,
.sdram_tim2 = 0x308f7fda,
.sdram_tim3 = 0x407f88a8,
.read_idle_ctrl = 0x00050000,
.zq_config = 0x5007190b,
.temp_alert_config = 0x00000000,
.emif_ddr_phy_ctlr_1_init = 0x0024400b,
.emif_ddr_phy_ctlr_1 = 0x0e24400b,
.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
.emif_ddr_ext_phy_ctrl_2 = 0x00910091,
.emif_ddr_ext_phy_ctrl_3 = 0x00950095,
.emif_ddr_ext_phy_ctrl_4 = 0x009b009b,
.emif_ddr_ext_phy_ctrl_5 = 0x009e009e,
.emif_rd_wr_lvl_rmp_win = 0x00000000,
.emif_rd_wr_lvl_rmp_ctl = 0x80000000,
.emif_rd_wr_lvl_ctl = 0x00000000,
.emif_rd_wr_exec_thresh = 0x00000305
};
static const u32 beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs[] = {
0x10040100,
0x00910091,
0x00950095,
0x009B009B,
0x009E009E,
0x00980098,
0x00340034,
0x00350035,
0x00340034,
0x00310031,
0x00340034,
0x007F007F,
0x007F007F,
0x007F007F,
0x007F007F,
0x007F007F,
0x00480048,
0x004A004A,
0x00520052,
0x00550055,
0x00500050,
0x00000000,
0x00600020,
0x40011080,
0x08102040,
0x0,
0x0,
0x0,
0x0,
0x0,
0x0,
0x0,
0x0,
0x0,
0x0
};
void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs)
{
switch (emif_nr) {
case 1:
*regs = &beagle_x15_emif1_ddr3_532mhz_emif_regs;
break;
case 2:
*regs = &beagle_x15_emif2_ddr3_532mhz_emif_regs;
break;
}
}
void emif_get_ext_phy_ctrl_const_regs(u32 emif_nr, const u32 **regs, u32 *size)
{
switch (emif_nr) {
case 1:
*regs = beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs;
*size = ARRAY_SIZE(beagle_x15_emif1_ddr3_ext_phy_ctrl_const_regs);
break;
case 2:
*regs = beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs;
*size = ARRAY_SIZE(beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs);
break;
}
}
struct vcores_data beagle_x15_volts = {
.mpu.value = VDD_MPU_DRA752,
.mpu.efuse.reg = STD_FUSE_OPP_VMIN_MPU_NOM,
.mpu.efuse.reg_bits = DRA752_EFUSE_REGBITS,
.mpu.addr = TPS659038_REG_ADDR_SMPS12,
.mpu.pmic = &tps659038,
.mpu.abb_tx_done_mask = OMAP_ABB_MPU_TXDONE_MASK,
.eve.value = VDD_EVE_DRA752,
.eve.efuse.reg = STD_FUSE_OPP_VMIN_DSPEVE_NOM,
.eve.efuse.reg_bits = DRA752_EFUSE_REGBITS,
.eve.addr = TPS659038_REG_ADDR_SMPS45,
.eve.pmic = &tps659038,
.eve.abb_tx_done_mask = OMAP_ABB_EVE_TXDONE_MASK,
.gpu.value = VDD_GPU_DRA752,
.gpu.efuse.reg = STD_FUSE_OPP_VMIN_GPU_NOM,
.gpu.efuse.reg_bits = DRA752_EFUSE_REGBITS,
.gpu.addr = TPS659038_REG_ADDR_SMPS45,
.gpu.pmic = &tps659038,
.gpu.abb_tx_done_mask = OMAP_ABB_GPU_TXDONE_MASK,
.core.value = VDD_CORE_DRA752,
.core.efuse.reg = STD_FUSE_OPP_VMIN_CORE_NOM,
.core.efuse.reg_bits = DRA752_EFUSE_REGBITS,
.core.addr = TPS659038_REG_ADDR_SMPS6,
.core.pmic = &tps659038,
.iva.value = VDD_IVA_DRA752,
.iva.efuse.reg = STD_FUSE_OPP_VMIN_IVA_NOM,
.iva.efuse.reg_bits = DRA752_EFUSE_REGBITS,
.iva.addr = TPS659038_REG_ADDR_SMPS45,
.iva.pmic = &tps659038,
.iva.abb_tx_done_mask = OMAP_ABB_IVA_TXDONE_MASK,
};
#ifdef CONFIG_SPL_BUILD
/* No env to setup for SPL */
static inline void setup_board_eeprom_env(void) { }
/* Override function to read eeprom information */
void do_board_detect(void)
{
int rc;
rc = ti_i2c_eeprom_am_get(CONFIG_EEPROM_BUS_ADDRESS,
CONFIG_EEPROM_CHIP_ADDRESS);
if (rc)
printf("ti_i2c_eeprom_init failed %d\n", rc);
}
#else /* CONFIG_SPL_BUILD */
/* Override function to read eeprom information: actual i2c read done by SPL*/
void do_board_detect(void)
{
char *bname = NULL;
int rc;
rc = ti_i2c_eeprom_am_get(CONFIG_EEPROM_BUS_ADDRESS,
CONFIG_EEPROM_CHIP_ADDRESS);
if (rc)
printf("ti_i2c_eeprom_init failed %d\n", rc);
if (board_is_x15())
bname = "BeagleBoard X15";
else if (board_is_am572x_evm())
bname = "AM572x EVM";
else if (board_is_am572x_idk())
bname = "AM572x IDK";
if (bname)
snprintf(sysinfo.board_string, SYSINFO_BOARD_NAME_MAX_LEN,
"Board: %s REV %s\n", bname, board_ti_get_rev());
}
static void setup_board_eeprom_env(void)
{
char *name = "beagle_x15";
int rc;
rc = ti_i2c_eeprom_am_get(CONFIG_EEPROM_BUS_ADDRESS,
CONFIG_EEPROM_CHIP_ADDRESS);
if (rc)
goto invalid_eeprom;
if (board_is_am572x_evm())
name = "am57xx_evm";
else if (board_is_am572x_idk())
name = "am572x_idk";
else
printf("Unidentified board claims %s in eeprom header\n",
board_ti_get_name());
invalid_eeprom:
set_board_info_env(name);
}
#endif /* CONFIG_SPL_BUILD */
void hw_data_init(void)
{
*prcm = &dra7xx_prcm;
*dplls_data = &dra7xx_dplls;
*omap_vcores = &beagle_x15_volts;
*ctrl = &dra7xx_ctrl;
}
int board_init(void)
{
gpmc_init();
gd->bd->bi_boot_params = (CONFIG_SYS_SDRAM_BASE + 0x100);
return 0;
}
int board_late_init(void)
{
setup_board_eeprom_env();
/*
* DEV_CTRL.DEV_ON = 1 please - else palmas switches off in 8 seconds
* This is the POWERHOLD-in-Low behavior.
*/
palmas_i2c_write_u8(TPS65903X_CHIP_P1, 0xA0, 0x1);
return 0;
}
void set_muxconf_regs(void)
{
do_set_mux32((*ctrl)->control_padconf_core_base,
early_padconf, ARRAY_SIZE(early_padconf));
}
#ifdef CONFIG_IODELAY_RECALIBRATION
void recalibrate_iodelay(void)
{
const struct pad_conf_entry *pconf;
const struct iodelay_cfg_entry *iod;
int pconf_sz, iod_sz;
if (board_is_am572x_idk()) {
pconf = core_padconf_array_essential_am572x_idk;
pconf_sz = ARRAY_SIZE(core_padconf_array_essential_am572x_idk);
iod = iodelay_cfg_array_am572x_idk;
iod_sz = ARRAY_SIZE(iodelay_cfg_array_am572x_idk);
} else {
/* Common for X15/GPEVM */
pconf = core_padconf_array_essential_x15;
pconf_sz = ARRAY_SIZE(core_padconf_array_essential_x15);
iod = iodelay_cfg_array_x15;
iod_sz = ARRAY_SIZE(iodelay_cfg_array_x15);
}
__recalibrate_iodelay(pconf, pconf_sz, iod, iod_sz);
}
#endif
#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
int board_mmc_init(bd_t *bis)
{
omap_mmc_init(0, 0, 0, -1, -1);
omap_mmc_init(1, 0, 0, -1, -1);
return 0;
}
#endif
#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_OS_BOOT)
int spl_start_uboot(void)
{
/* break into full u-boot on 'c' */
if (serial_tstc() && serial_getc() == 'c')
return 1;
#ifdef CONFIG_SPL_ENV_SUPPORT
env_init();
env_relocate_spec();
if (getenv_yesno("boot_os") != 1)
return 1;
#endif
return 0;
}
#endif
#ifdef CONFIG_USB_DWC3
static struct dwc3_device usb_otg_ss1 = {
.maximum_speed = USB_SPEED_SUPER,
.base = DRA7_USB_OTG_SS1_BASE,
.tx_fifo_resize = false,
.index = 0,
};
static struct dwc3_omap_device usb_otg_ss1_glue = {
.base = (void *)DRA7_USB_OTG_SS1_GLUE_BASE,
.utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
.index = 0,
};
static struct ti_usb_phy_device usb_phy1_device = {
.pll_ctrl_base = (void *)DRA7_USB3_PHY1_PLL_CTRL,
.usb2_phy_power = (void *)DRA7_USB2_PHY1_POWER,
.usb3_phy_power = (void *)DRA7_USB3_PHY1_POWER,
.index = 0,
};
static struct dwc3_device usb_otg_ss2 = {
.maximum_speed = USB_SPEED_HIGH,
.base = DRA7_USB_OTG_SS2_BASE,
.tx_fifo_resize = false,
.index = 1,
};
static struct dwc3_omap_device usb_otg_ss2_glue = {
.base = (void *)DRA7_USB_OTG_SS2_GLUE_BASE,
.utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
.index = 1,
};
static struct ti_usb_phy_device usb_phy2_device = {
.usb2_phy_power = (void *)DRA7_USB2_PHY2_POWER,
.index = 1,
};
int board_usb_init(int index, enum usb_init_type init)
{
enable_usb_clocks(index);
switch (index) {
case 0:
if (init == USB_INIT_DEVICE) {
printf("port %d can't be used as device\n", index);
disable_usb_clocks(index);
return -EINVAL;
} else {
usb_otg_ss1.dr_mode = USB_DR_MODE_HOST;
usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_ID_GROUND;
setbits_le32((*prcm)->cm_l3init_usb_otg_ss1_clkctrl,
OTG_SS_CLKCTRL_MODULEMODE_HW |
OPTFCLKEN_REFCLK960M);
}
ti_usb_phy_uboot_init(&usb_phy1_device);
dwc3_omap_uboot_init(&usb_otg_ss1_glue);
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 {
printf("port %d can't be used as host\n", index);
disable_usb_clocks(index);
return -EINVAL;
}
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");
}
disable_usb_clocks(index);
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
/* Delay value to add to calibrated value */
#define RGMII0_TXCTL_DLY_VAL ((0x3 << 5) + 0x8)
#define RGMII0_TXD0_DLY_VAL ((0x3 << 5) + 0x8)
#define RGMII0_TXD1_DLY_VAL ((0x3 << 5) + 0x2)
#define RGMII0_TXD2_DLY_VAL ((0x4 << 5) + 0x0)
#define RGMII0_TXD3_DLY_VAL ((0x4 << 5) + 0x0)
#define VIN2A_D13_DLY_VAL ((0x3 << 5) + 0x8)
#define VIN2A_D17_DLY_VAL ((0x3 << 5) + 0x8)
#define VIN2A_D16_DLY_VAL ((0x3 << 5) + 0x2)
#define VIN2A_D15_DLY_VAL ((0x4 << 5) + 0x0)
#define VIN2A_D14_DLY_VAL ((0x4 << 5) + 0x0)
static void cpsw_control(int enabled)
{
/* VTP can be added here */
}
static struct cpsw_slave_data cpsw_slaves[] = {
{
.slave_reg_ofs = 0x208,
.sliver_reg_ofs = 0xd80,
.phy_addr = 1,
},
{
.slave_reg_ofs = 0x308,
.sliver_reg_ofs = 0xdc0,
.phy_addr = 2,
},
};
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,
};
static u64 mac_to_u64(u8 mac[6])
{
int i;
u64 addr = 0;
for (i = 0; i < 6; i++) {
addr <<= 8;
addr |= mac[i];
}
return addr;
}
static void u64_to_mac(u64 addr, u8 mac[6])
{
mac[5] = addr;
mac[4] = addr >> 8;
mac[3] = addr >> 16;
mac[2] = addr >> 24;
mac[1] = addr >> 32;
mac[0] = addr >> 40;
}
int board_eth_init(bd_t *bis)
{
int ret;
uint8_t mac_addr[6];
uint32_t mac_hi, mac_lo;
uint32_t ctrl_val;
int i;
u64 mac1, mac2;
u8 mac_addr1[6], mac_addr2[6];
int num_macs;
/* try reading mac address from efuse */
mac_lo = readl((*ctrl)->control_core_mac_id_0_lo);
mac_hi = readl((*ctrl)->control_core_mac_id_0_hi);
mac_addr[0] = (mac_hi & 0xFF0000) >> 16;
mac_addr[1] = (mac_hi & 0xFF00) >> 8;
mac_addr[2] = mac_hi & 0xFF;
mac_addr[3] = (mac_lo & 0xFF0000) >> 16;
mac_addr[4] = (mac_lo & 0xFF00) >> 8;
mac_addr[5] = mac_lo & 0xFF;
if (!getenv("ethaddr")) {
printf("<ethaddr> not set. Validating first E-fuse MAC\n");
if (is_valid_ethaddr(mac_addr))
eth_setenv_enetaddr("ethaddr", mac_addr);
}
mac_lo = readl((*ctrl)->control_core_mac_id_1_lo);
mac_hi = readl((*ctrl)->control_core_mac_id_1_hi);
mac_addr[0] = (mac_hi & 0xFF0000) >> 16;
mac_addr[1] = (mac_hi & 0xFF00) >> 8;
mac_addr[2] = mac_hi & 0xFF;
mac_addr[3] = (mac_lo & 0xFF0000) >> 16;
mac_addr[4] = (mac_lo & 0xFF00) >> 8;
mac_addr[5] = mac_lo & 0xFF;
if (!getenv("eth1addr")) {
if (is_valid_ethaddr(mac_addr))
eth_setenv_enetaddr("eth1addr", mac_addr);
}
ctrl_val = readl((*ctrl)->control_core_control_io1) & (~0x33);
ctrl_val |= 0x22;
writel(ctrl_val, (*ctrl)->control_core_control_io1);
/* The phy address for the AM572x IDK are different than x15 */
if (board_is_am572x_idk()) {
cpsw_data.slave_data[0].phy_addr = 0;
cpsw_data.slave_data[1].phy_addr = 1;
}
ret = cpsw_register(&cpsw_data);
if (ret < 0)
printf("Error %d registering CPSW switch\n", ret);
/*
* Export any Ethernet MAC addresses from EEPROM.
* On AM57xx the 2 MAC addresses define the address range
*/
board_ti_get_eth_mac_addr(0, mac_addr1);
board_ti_get_eth_mac_addr(1, mac_addr2);
if (is_valid_ethaddr(mac_addr1) && is_valid_ethaddr(mac_addr2)) {
mac1 = mac_to_u64(mac_addr1);
mac2 = mac_to_u64(mac_addr2);
/* must contain an address range */
num_macs = mac2 - mac1 + 1;
/* <= 50 to protect against user programming error */
if (num_macs > 0 && num_macs <= 50) {
for (i = 0; i < num_macs; i++) {
u64_to_mac(mac1 + i, mac_addr);
if (is_valid_ethaddr(mac_addr)) {
eth_setenv_enetaddr_by_index("eth",
i + 2,
mac_addr);
}
}
}
}
return ret;
}
#endif
#ifdef CONFIG_BOARD_EARLY_INIT_F
/* VTT regulator enable */
static inline void vtt_regulator_enable(void)
{
if (omap_hw_init_context() == OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL)
return;
gpio_request(GPIO_DDR_VTT_EN, "ddr_vtt_en");
gpio_direction_output(GPIO_DDR_VTT_EN, 1);
}
int board_early_init_f(void)
{
vtt_regulator_enable();
return 0;
}
#endif
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