u-boot/board/ti/dra7xx/evm.c

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/*
* (C) Copyright 2013
* Texas Instruments Incorporated, <www.ti.com>
*
* Lokesh Vutla <lokeshvutla@ti.com>
*
* Based on previous work by:
* Aneesh V <aneesh@ti.com>
* Steve Sakoman <steve@sakoman.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <palmas.h>
#include <sata.h>
#include <asm/gpio.h>
#include <usb.h>
#include <linux/usb/gadget.h>
#include <asm/arch/gpio.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 <environment.h>
#include <dwc3-uboot.h>
#include <dwc3-omap-uboot.h>
#include <ti-usb-phy-uboot.h>
#include "mux_data.h"
#ifdef CONFIG_DRIVER_TI_CPSW
#include <cpsw.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
/* GPIO 7_11 */
#define GPIO_DDR_VTT_EN 203
const struct omap_sysinfo sysinfo = {
"Board: DRA7xx\n"
};
/**
* @brief board_init
*
* @return 0
*/
int board_init(void)
{
gpmc_init();
gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */
return 0;
}
int board_late_init(void)
{
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
if (omap_revision() == DRA722_ES1_0)
setenv("board_name", "dra72x");
else
setenv("board_name", "dra7xx");
omap_die_id_serial();
#endif
return 0;
}
void set_muxconf_regs_essential(void)
{
do_set_mux32((*ctrl)->control_padconf_core_base,
early_padconf, ARRAY_SIZE(early_padconf));
}
#ifdef CONFIG_IODELAY_RECALIBRATION
void recalibrate_iodelay(void)
{
struct pad_conf_entry const *pads;
struct iodelay_cfg_entry const *iodelay;
int npads, niodelays;
switch (omap_revision()) {
case DRA722_ES1_0:
pads = core_padconf_array_essential;
npads = ARRAY_SIZE(core_padconf_array_essential);
iodelay = iodelay_cfg_array;
niodelays = ARRAY_SIZE(iodelay_cfg_array);
break;
case DRA752_ES1_0:
case DRA752_ES1_1:
pads = dra74x_core_padconf_array;
npads = ARRAY_SIZE(dra74x_core_padconf_array);
iodelay = dra742_es1_1_iodelay_cfg_array;
niodelays = ARRAY_SIZE(dra742_es1_1_iodelay_cfg_array);
break;
default:
case DRA752_ES2_0:
pads = dra74x_core_padconf_array;
npads = ARRAY_SIZE(dra74x_core_padconf_array);
iodelay = dra742_es2_0_iodelay_cfg_array;
niodelays = ARRAY_SIZE(dra742_es2_0_iodelay_cfg_array);
/* Setup port1 and port2 for rgmii with 'no-id' mode */
clrset_spare_register(1, 0, RGMII2_ID_MODE_N_MASK |
RGMII1_ID_MODE_N_MASK);
break;
}
__recalibrate_iodelay(pads, npads, iodelay, niodelays);
}
#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
#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_SUPER,
.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) {
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;
}
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 {
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");
}
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
#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_DRIVER_TI_CPSW
extern u32 *const omap_si_rev;
static void cpsw_control(int enabled)
{
/* VTP can be added here */
return;
}
static struct cpsw_slave_data cpsw_slaves[] = {
{
.slave_reg_ofs = 0x208,
.sliver_reg_ofs = 0xd80,
.phy_addr = 2,
},
{
.slave_reg_ofs = 0x308,
.sliver_reg_ofs = 0xdc0,
.phy_addr = 3,
},
};
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 = 2,
.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 ret;
uint8_t mac_addr[6];
uint32_t mac_hi, mac_lo;
uint32_t ctrl_val;
/* 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);
if (*omap_si_rev == DRA722_ES1_0)
cpsw_data.active_slave = 1;
ret = cpsw_register(&cpsw_data);
if (ret < 0)
printf("Error %d registering CPSW switch\n", ret);
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;
/* Do not enable VTT for DRA722 */
if (omap_revision() == DRA722_ES1_0)
return;
/*
* EVM Rev G and later use gpio7_11 for DDR3 termination.
* This is safe enough to do on older revs.
*/
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