#include <asm/arch/omap.h>
#include <asm/arch/ddr_defs.h>
#include <asm/arch/clock.h>
+#include <asm/arch/clk_synthesizer.h>
#include <asm/arch/gpio.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/sys_proto.h>
#include <power/tps65910.h>
#include <environment.h>
#include <watchdog.h>
+#include <environment.h>
+#include "../common/board_detect.h"
#include "board.h"
DECLARE_GLOBAL_DATA_PTR;
/* GPIO that controls power to DDR on EVM-SK */
-#define GPIO_DDR_VTT_EN 7
-
+#define GPIO_TO_PIN(bank, gpio) (32 * (bank) + (gpio))
+#define GPIO_DDR_VTT_EN GPIO_TO_PIN(0, 7)
+#define ICE_GPIO_DDR_VTT_EN GPIO_TO_PIN(0, 18)
+#define GPIO_PR1_MII_CTRL GPIO_TO_PIN(3, 4)
+#define GPIO_MUX_MII_CTRL GPIO_TO_PIN(3, 10)
+#define GPIO_FET_SWITCH_CTRL GPIO_TO_PIN(0, 7)
+#define GPIO_PHY_RESET GPIO_TO_PIN(2, 5)
+
+#if defined(CONFIG_SPL_BUILD) || \
+ (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_DM_ETH))
static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
+#endif
/*
* Read header information from EEPROM into global structure.
*/
-static int read_eeprom(struct am335x_baseboard_id *header)
+static inline int __maybe_unused read_eeprom(void)
{
- /* Check if baseboard eeprom is available */
- if (i2c_probe(CONFIG_SYS_I2C_EEPROM_ADDR)) {
- puts("Could not probe the EEPROM; something fundamentally "
- "wrong on the I2C bus.\n");
- return -ENODEV;
- }
-
- /* read the eeprom using i2c */
- if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 2, (uchar *)header,
- sizeof(struct am335x_baseboard_id))) {
- puts("Could not read the EEPROM; something fundamentally"
- " wrong on the I2C bus.\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 am335x_baseboard_id))) {
- puts("Could not read the EEPROM; something "
- "fundamentally wrong on the I2C bus.\n");
- return -EIO;
- }
-
- if (header->magic != 0xEE3355AA) {
- printf("Incorrect magic number (0x%x) in EEPROM\n",
- header->magic);
- return -EINVAL;
- }
- }
-
- return 0;
+ return ti_i2c_eeprom_am_get(-1, CONFIG_SYS_I2C_EEPROM_ADDR);
}
-#if defined(CONFIG_SPL_BUILD) || defined(CONFIG_NOR_BOOT)
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
static const struct ddr_data ddr2_data = {
- .datardsratio0 = ((MT47H128M16RT25E_RD_DQS<<30) |
- (MT47H128M16RT25E_RD_DQS<<20) |
- (MT47H128M16RT25E_RD_DQS<<10) |
- (MT47H128M16RT25E_RD_DQS<<0)),
- .datawdsratio0 = ((MT47H128M16RT25E_WR_DQS<<30) |
- (MT47H128M16RT25E_WR_DQS<<20) |
- (MT47H128M16RT25E_WR_DQS<<10) |
- (MT47H128M16RT25E_WR_DQS<<0)),
- .datawiratio0 = ((MT47H128M16RT25E_PHY_WRLVL<<30) |
- (MT47H128M16RT25E_PHY_WRLVL<<20) |
- (MT47H128M16RT25E_PHY_WRLVL<<10) |
- (MT47H128M16RT25E_PHY_WRLVL<<0)),
- .datagiratio0 = ((MT47H128M16RT25E_PHY_GATELVL<<30) |
- (MT47H128M16RT25E_PHY_GATELVL<<20) |
- (MT47H128M16RT25E_PHY_GATELVL<<10) |
- (MT47H128M16RT25E_PHY_GATELVL<<0)),
- .datafwsratio0 = ((MT47H128M16RT25E_PHY_FIFO_WE<<30) |
- (MT47H128M16RT25E_PHY_FIFO_WE<<20) |
- (MT47H128M16RT25E_PHY_FIFO_WE<<10) |
- (MT47H128M16RT25E_PHY_FIFO_WE<<0)),
- .datawrsratio0 = ((MT47H128M16RT25E_PHY_WR_DATA<<30) |
- (MT47H128M16RT25E_PHY_WR_DATA<<20) |
- (MT47H128M16RT25E_PHY_WR_DATA<<10) |
- (MT47H128M16RT25E_PHY_WR_DATA<<0)),
+ .datardsratio0 = MT47H128M16RT25E_RD_DQS,
+ .datafwsratio0 = MT47H128M16RT25E_PHY_FIFO_WE,
+ .datawrsratio0 = MT47H128M16RT25E_PHY_WR_DATA,
};
static const struct cmd_control ddr2_cmd_ctrl_data = {
.cmd0csratio = MT47H128M16RT25E_RATIO,
- .cmd0iclkout = MT47H128M16RT25E_INVERT_CLKOUT,
.cmd1csratio = MT47H128M16RT25E_RATIO,
- .cmd1iclkout = MT47H128M16RT25E_INVERT_CLKOUT,
.cmd2csratio = MT47H128M16RT25E_RATIO,
- .cmd2iclkout = MT47H128M16RT25E_INVERT_CLKOUT,
};
static const struct emif_regs ddr2_emif_reg_data = {
.datawrsratio0 = MT41J512M8RH125_PHY_WR_DATA,
};
+static const struct ddr_data ddr3_icev2_data = {
+ .datardsratio0 = MT41J128MJT125_RD_DQS_400MHz,
+ .datawdsratio0 = MT41J128MJT125_WR_DQS_400MHz,
+ .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE_400MHz,
+ .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA_400MHz,
+};
+
static const struct cmd_control ddr3_cmd_ctrl_data = {
.cmd0csratio = MT41J128MJT125_RATIO,
.cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT,
.cmd2iclkout = MT41J512M8RH125_INVERT_CLKOUT,
};
+static const struct cmd_control ddr3_icev2_cmd_ctrl_data = {
+ .cmd0csratio = MT41J128MJT125_RATIO_400MHz,
+ .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
+
+ .cmd1csratio = MT41J128MJT125_RATIO_400MHz,
+ .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
+
+ .cmd2csratio = MT41J128MJT125_RATIO_400MHz,
+ .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
+};
+
static struct emif_regs ddr3_emif_reg_data = {
.sdram_config = MT41J128MJT125_EMIF_SDCFG,
.ref_ctrl = MT41J128MJT125_EMIF_SDREF,
PHY_EN_DYN_PWRDN,
};
+static struct emif_regs ddr3_icev2_emif_reg_data = {
+ .sdram_config = MT41J128MJT125_EMIF_SDCFG_400MHz,
+ .ref_ctrl = MT41J128MJT125_EMIF_SDREF_400MHz,
+ .sdram_tim1 = MT41J128MJT125_EMIF_TIM1_400MHz,
+ .sdram_tim2 = MT41J128MJT125_EMIF_TIM2_400MHz,
+ .sdram_tim3 = MT41J128MJT125_EMIF_TIM3_400MHz,
+ .zq_config = MT41J128MJT125_ZQ_CFG_400MHz,
+ .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY_400MHz |
+ PHY_EN_DYN_PWRDN,
+};
+
#ifdef CONFIG_SPL_OS_BOOT
int spl_start_uboot(void)
{
/* break into full u-boot on 'c' */
- return (serial_tstc() && serial_getc() == '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
void am33xx_spl_board_init(void)
{
- struct am335x_baseboard_id header;
int mpu_vdd;
- if (read_eeprom(&header) < 0)
+ if (read_eeprom() < 0)
puts("Could not get board ID.\n");
/* Get the frequency */
dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
- if (board_is_bone(&header) || board_is_bone_lt(&header)) {
+ if (board_is_bone() || board_is_bone_lt()) {
/* BeagleBone PMIC Code */
int usb_cur_lim;
* Only perform PMIC configurations if board rev > A1
* on Beaglebone White
*/
- if (board_is_bone(&header) && !strncmp(header.version,
- "00A1", 4))
+ if (board_is_bone() && !strncmp(board_ti_get_rev(), "00A1", 4))
return;
if (i2c_probe(TPS65217_CHIP_PM))
* On Beaglebone White we need to ensure we have AC power
* before increasing the frequency.
*/
- if (board_is_bone(&header)) {
+ if (board_is_bone()) {
uchar pmic_status_reg;
if (tps65217_reg_read(TPS65217_STATUS,
&pmic_status_reg))
* Override what we have detected since we know if we have
* a Beaglebone Black it supports 1GHz.
*/
- if (board_is_bone_lt(&header))
+ if (board_is_bone_lt())
dpll_mpu_opp100.m = MPUPLL_M_1000;
/*
* Set LDO3, LDO4 output voltage to 3.3V for Beaglebone.
* Set LDO3 to 1.8V and LDO4 to 3.3V for Beaglebone Black.
*/
- if (board_is_bone(&header)) {
+ if (board_is_bone()) {
if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
TPS65217_DEFLS1,
TPS65217_LDO_VOLTAGE_OUT_3_3,
const struct dpll_params *get_dpll_ddr_params(void)
{
- struct am335x_baseboard_id header;
-
enable_i2c0_pin_mux();
i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
- if (read_eeprom(&header) < 0)
+ if (read_eeprom() < 0)
puts("Could not get board ID.\n");
- if (board_is_evm_sk(&header))
+ if (board_is_evm_sk())
return &dpll_ddr_evm_sk;
- else if (board_is_bone_lt(&header))
+ else if (board_is_bone_lt() || board_is_icev2())
return &dpll_ddr_bone_black;
- else if (board_is_evm_15_or_later(&header))
+ else if (board_is_evm_15_or_later())
return &dpll_ddr_evm_sk;
else
return &dpll_ddr;
void set_uart_mux_conf(void)
{
-#ifdef CONFIG_SERIAL1
+#if CONFIG_CONS_INDEX == 1
enable_uart0_pin_mux();
-#endif /* CONFIG_SERIAL1 */
-#ifdef CONFIG_SERIAL2
+#elif CONFIG_CONS_INDEX == 2
enable_uart1_pin_mux();
-#endif /* CONFIG_SERIAL2 */
-#ifdef CONFIG_SERIAL3
+#elif CONFIG_CONS_INDEX == 3
enable_uart2_pin_mux();
-#endif /* CONFIG_SERIAL3 */
-#ifdef CONFIG_SERIAL4
+#elif CONFIG_CONS_INDEX == 4
enable_uart3_pin_mux();
-#endif /* CONFIG_SERIAL4 */
-#ifdef CONFIG_SERIAL5
+#elif CONFIG_CONS_INDEX == 5
enable_uart4_pin_mux();
-#endif /* CONFIG_SERIAL5 */
-#ifdef CONFIG_SERIAL6
+#elif CONFIG_CONS_INDEX == 6
enable_uart5_pin_mux();
-#endif /* CONFIG_SERIAL6 */
+#endif
}
void set_mux_conf_regs(void)
{
- __maybe_unused struct am335x_baseboard_id header;
-
- if (read_eeprom(&header) < 0)
+ if (read_eeprom() < 0)
puts("Could not get board ID.\n");
- enable_board_pin_mux(&header);
+ enable_board_pin_mux();
}
const struct ctrl_ioregs ioregs_evmsk = {
void sdram_init(void)
{
- __maybe_unused struct am335x_baseboard_id header;
-
- if (read_eeprom(&header) < 0)
+ if (read_eeprom() < 0)
puts("Could not get board ID.\n");
- if (board_is_evm_sk(&header)) {
+ if (board_is_evm_sk()) {
/*
* EVM SK 1.2A and later use gpio0_7 to enable DDR3.
* This is safe enough to do on older revs.
gpio_direction_output(GPIO_DDR_VTT_EN, 1);
}
- if (board_is_evm_sk(&header))
+ if (board_is_icev2()) {
+ gpio_request(ICE_GPIO_DDR_VTT_EN, "ddr_vtt_en");
+ gpio_direction_output(ICE_GPIO_DDR_VTT_EN, 1);
+ }
+
+ if (board_is_evm_sk())
config_ddr(303, &ioregs_evmsk, &ddr3_data,
&ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0);
- else if (board_is_bone_lt(&header))
+ else if (board_is_bone_lt())
config_ddr(400, &ioregs_bonelt,
&ddr3_beagleblack_data,
&ddr3_beagleblack_cmd_ctrl_data,
&ddr3_beagleblack_emif_reg_data, 0);
- else if (board_is_evm_15_or_later(&header))
+ else if (board_is_evm_15_or_later())
config_ddr(303, &ioregs_evm15, &ddr3_evm_data,
&ddr3_evm_cmd_ctrl_data, &ddr3_evm_emif_reg_data, 0);
+ else if (board_is_icev2())
+ config_ddr(400, &ioregs_evmsk, &ddr3_icev2_data,
+ &ddr3_icev2_cmd_ctrl_data, &ddr3_icev2_emif_reg_data,
+ 0);
else
config_ddr(266, &ioregs, &ddr2_data,
&ddr2_cmd_ctrl_data, &ddr2_emif_reg_data, 0);
}
#endif
+#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
+ (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
+static void request_and_set_gpio(int gpio, char *name)
+{
+ int ret;
+
+ ret = gpio_request(gpio, name);
+ if (ret < 0) {
+ printf("%s: Unable to request %s\n", __func__, name);
+ return;
+ }
+
+ ret = gpio_direction_output(gpio, 0);
+ if (ret < 0) {
+ printf("%s: Unable to set %s as output\n", __func__, name);
+ goto err_free_gpio;
+ }
+
+ gpio_set_value(gpio, 1);
+
+ return;
+
+err_free_gpio:
+ gpio_free(gpio);
+}
+
+#define REQUEST_AND_SET_GPIO(N) request_and_set_gpio(N, #N);
+
+/**
+ * RMII mode on ICEv2 board needs 50MHz clock. Given the clock
+ * synthesizer With a capacitor of 18pF, and 25MHz input clock cycle
+ * PLL1 gives an output of 100MHz. So, configuring the div2/3 as 2 to
+ * give 50MHz output for Eth0 and 1.
+ */
+static struct clk_synth cdce913_data = {
+ .id = 0x81,
+ .capacitor = 0x90,
+ .mux = 0x6d,
+ .pdiv2 = 0x2,
+ .pdiv3 = 0x2,
+};
+#endif
+
/*
* Basic board specific setup. Pinmux has been handled already.
*/
#if defined(CONFIG_NOR) || defined(CONFIG_NAND)
gpmc_init();
#endif
+#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD))
+ int rv;
+
+ if (board_is_icev2()) {
+ REQUEST_AND_SET_GPIO(GPIO_PR1_MII_CTRL);
+ REQUEST_AND_SET_GPIO(GPIO_MUX_MII_CTRL);
+ REQUEST_AND_SET_GPIO(GPIO_FET_SWITCH_CTRL);
+ REQUEST_AND_SET_GPIO(GPIO_PHY_RESET);
+
+ rv = setup_clock_synthesizer(&cdce913_data);
+ if (rv) {
+ printf("Clock synthesizer setup failed %d\n", rv);
+ return rv;
+ }
+ }
+#endif
+
return 0;
}
int board_late_init(void)
{
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
- char safe_string[HDR_NAME_LEN + 1];
- struct am335x_baseboard_id header;
+ int rc;
+ char *name = NULL;
- if (read_eeprom(&header) < 0)
+ rc = read_eeprom();
+ if (rc)
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);
+ if (board_is_bbg1())
+ name = "BBG1";
+ set_board_info_env(name);
#endif
return 0;
}
#endif
+#ifndef CONFIG_DM_ETH
+
#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
(defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
static void cpsw_control(int enabled)
{
.slave_reg_ofs = 0x208,
.sliver_reg_ofs = 0xd80,
- .phy_id = 0,
+ .phy_addr = 0,
},
{
.slave_reg_ofs = 0x308,
.sliver_reg_ofs = 0xdc0,
- .phy_id = 1,
+ .phy_addr = 1,
},
};
};
#endif
-#if defined(CONFIG_DRIVER_TI_CPSW) || \
- (defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET))
+#if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT)) &&\
+ defined(CONFIG_SPL_BUILD)) || \
+ ((defined(CONFIG_DRIVER_TI_CPSW) || \
+ defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \
+ !defined(CONFIG_SPL_BUILD))
+
+/*
+ * This function will:
+ * Read the eFuse for MAC addresses, and set ethaddr/eth1addr/usbnet_devaddr
+ * in the environment
+ * Perform fixups to the PHY present on certain boards. We only need this
+ * function in:
+ * - SPL with either CPSW or USB ethernet support
+ * - Full U-Boot, with either CPSW or USB ethernet
+ * Build in only these cases to avoid warnings about unused variables
+ * when we build an SPL that has neither option but full U-Boot will.
+ */
int board_eth_init(bd_t *bis)
{
int rv, n = 0;
uint8_t mac_addr[6];
uint32_t mac_hi, mac_lo;
- __maybe_unused struct am335x_baseboard_id header;
+ __maybe_unused struct ti_am_eeprom *header;
/* try reading mac address from efuse */
mac_lo = readl(&cdev->macid0l);
if (!getenv("ethaddr")) {
printf("<ethaddr> not set. Validating first E-fuse MAC\n");
- if (is_valid_ether_addr(mac_addr))
+ if (is_valid_ethaddr(mac_addr))
eth_setenv_enetaddr("ethaddr", mac_addr);
}
#ifdef CONFIG_DRIVER_TI_CPSW
- if (read_eeprom(&header) < 0)
+
+ 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 (read_eeprom() < 0)
puts("Could not get board ID.\n");
- if (board_is_bone(&header) || board_is_bone_lt(&header) ||
- board_is_idk(&header)) {
+ if (board_is_bone() || board_is_bone_lt() ||
+ board_is_idk()) {
writel(MII_MODE_ENABLE, &cdev->miisel);
cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
PHY_INTERFACE_MODE_MII;
+ } else if (board_is_icev2()) {
+ writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel);
+ cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RMII;
+ cpsw_slaves[1].phy_if = PHY_INTERFACE_MODE_RMII;
+ cpsw_slaves[0].phy_addr = 1;
+ cpsw_slaves[1].phy_addr = 3;
} else {
writel((RGMII_MODE_ENABLE | RGMII_INT_DELAY), &cdev->miisel);
cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
#define AR8051_DEBUG_RGMII_CLK_DLY_REG 0x5
#define AR8051_RGMII_TX_CLK_DLY 0x100
- if (board_is_evm_sk(&header) || board_is_gp_evm(&header)) {
+ if (board_is_evm_sk() || board_is_gp_evm()) {
const char *devname;
devname = miiphy_get_current_dev();
#endif
#if defined(CONFIG_USB_ETHER) && \
(!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
- if (is_valid_ether_addr(mac_addr))
+ if (is_valid_ethaddr(mac_addr))
eth_setenv_enetaddr("usbnet_devaddr", mac_addr);
rv = usb_eth_initialize(bis);
return n;
}
#endif
+
+#endif /* CONFIG_DM_ETH */
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+ if (board_is_gp_evm() && !strcmp(name, "am335x-evm"))
+ return 0;
+ else if (board_is_bone() && !strcmp(name, "am335x-bone"))
+ return 0;
+ else if (board_is_bone_lt() && !strcmp(name, "am335x-boneblack"))
+ return 0;
+ else if (board_is_evm_sk() && !strcmp(name, "am335x-evmsk"))
+ return 0;
+ else if (board_is_bbg1() && !strcmp(name, "am335x-bonegreen"))
+ return 0;
+ else if (board_is_icev2() && !strcmp(name, "am335x-icev2"))
+ return 0;
+ else
+ return -1;
+}
+#endif
projects / platform / kernel / u-boot.git / blobdiff