--- /dev/null
+/*
+ * Board functions for TI AM335X based dxr2 board
+ * (C) Copyright 2013 Siemens Schweiz AG
+ * (C) Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * Based on:
+ *
+ * Board functions for TI AM335X based boards
+ * u-boot:/board/ti/am335x/board.c
+ *
+ * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <spl.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/omap.h>
+#include <asm/arch/ddr_defs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/mmc_host_def.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/io.h>
+#include <asm/emif.h>
+#include <asm/gpio.h>
+#include <i2c.h>
+#include <miiphy.h>
+#include <cpsw.h>
+#include <watchdog.h>
+#include "board.h"
+#include "../common/factoryset.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_SPL_BUILD
+static struct dxr2_baseboard_id __attribute__((section(".data"))) settings;
+/* @303MHz-i0 */
+const struct ddr3_data ddr3_default = {
+ 0x33524444, 0x56312e34, 0x0080, 0x0000, 0x0038, 0x003E, 0x00A4,
+ 0x0075, 0x0888A39B, 0x26247FDA, 0x501F821F, 0x00100206, 0x61A44A32,
+ 0x00000618, 0x0000014A,
+};
+
+static void set_default_ddr3_timings(void)
+{
+ printf("Set default DDR3 settings\n");
+ settings.ddr3 = ddr3_default;
+}
+
+static void print_ddr3_timings(void)
+{
+ printf("\n\nDDR3 Timing parameters:\n");
+ printf("Diff Eeprom Default\n");
+ PRINTARGS(magic);
+ PRINTARGS(version);
+ PRINTARGS(ddr3_sratio);
+ PRINTARGS(iclkout);
+
+ PRINTARGS(dt0rdsratio0);
+ PRINTARGS(dt0wdsratio0);
+ PRINTARGS(dt0fwsratio0);
+ PRINTARGS(dt0wrsratio0);
+
+ PRINTARGS(sdram_tim1);
+ PRINTARGS(sdram_tim2);
+ PRINTARGS(sdram_tim3);
+
+ PRINTARGS(emif_ddr_phy_ctlr_1);
+
+ PRINTARGS(sdram_config);
+ PRINTARGS(ref_ctrl);
+ PRINTARGS(ioctr_val);
+}
+
+static void print_chip_data(void)
+{
+ printf("\n");
+ printf("Device: '%s'\n", settings.chip.sdevname);
+ printf("HW version: '%s'\n", settings.chip.shwver);
+}
+#endif /* CONFIG_SPL_BUILD */
+
+/*
+ * Read header information from EEPROM into global structure.
+ */
+static int read_eeprom(void)
+{
+ /* Check if baseboard eeprom is available */
+ if (i2c_probe(CONFIG_SYS_I2C_EEPROM_ADDR)) {
+ printf("Could not probe the EEPROM; something fundamentally wrong on the I2C bus.\n");
+ return 1;
+ }
+
+#ifdef CONFIG_SPL_BUILD
+ /* Read Siemens eeprom data (DDR3) */
+ if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, EEPROM_ADDR_DDR3, 2,
+ (uchar *)&settings.ddr3, sizeof(struct ddr3_data))) {
+ printf("Could not read the EEPROM; something fundamentally wrong on the I2C bus.\nUse default DDR3 timings\n");
+ set_default_ddr3_timings();
+ }
+ /* Read Siemens eeprom data (CHIP) */
+ if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, EEPROM_ADDR_CHIP, 2,
+ (uchar *)&settings.chip, sizeof(settings.chip)))
+ printf("Could not read chip settings\n");
+
+ if (ddr3_default.magic == settings.ddr3.magic &&
+ ddr3_default.version == settings.ddr3.version) {
+ printf("Using DDR3 settings from EEPROM\n");
+ } else {
+ if (ddr3_default.magic != settings.ddr3.magic)
+ printf("Error: No valid DDR3 data in eeprom.\n");
+ if (ddr3_default.version != settings.ddr3.version)
+ printf("Error: DDR3 data version does not match.\n");
+
+ printf("Using default settings\n");
+ set_default_ddr3_timings();
+ }
+
+ if (MAGIC_CHIP == settings.chip.magic) {
+ printf("Valid chip data in eeprom\n");
+ print_chip_data();
+ } else {
+ printf("Error: No chip data in eeprom\n");
+ }
+
+ print_ddr3_timings();
+#endif
+ return 0;
+}
+
+#ifdef CONFIG_SPL_BUILD
+static void board_init_ddr(void)
+{
+struct emif_regs dxr2_ddr3_emif_reg_data = {
+ .zq_config = 0x50074BE4,
+};
+
+struct ddr_data dxr2_ddr3_data = {
+};
+
+struct cmd_control dxr2_ddr3_cmd_ctrl_data = {
+};
+
+struct ctrl_ioregs dxr2_ddr3_ioregs = {
+};
+
+ /* pass values from eeprom */
+ dxr2_ddr3_emif_reg_data.sdram_tim1 = settings.ddr3.sdram_tim1;
+ dxr2_ddr3_emif_reg_data.sdram_tim2 = settings.ddr3.sdram_tim2;
+ dxr2_ddr3_emif_reg_data.sdram_tim3 = settings.ddr3.sdram_tim3;
+ dxr2_ddr3_emif_reg_data.emif_ddr_phy_ctlr_1 =
+ settings.ddr3.emif_ddr_phy_ctlr_1;
+ dxr2_ddr3_emif_reg_data.sdram_config = settings.ddr3.sdram_config;
+ dxr2_ddr3_emif_reg_data.ref_ctrl = settings.ddr3.ref_ctrl;
+
+ dxr2_ddr3_data.datardsratio0 = settings.ddr3.dt0rdsratio0;
+ dxr2_ddr3_data.datawdsratio0 = settings.ddr3.dt0wdsratio0;
+ dxr2_ddr3_data.datafwsratio0 = settings.ddr3.dt0fwsratio0;
+ dxr2_ddr3_data.datawrsratio0 = settings.ddr3.dt0wrsratio0;
+
+ dxr2_ddr3_cmd_ctrl_data.cmd0csratio = settings.ddr3.ddr3_sratio;
+ dxr2_ddr3_cmd_ctrl_data.cmd0iclkout = settings.ddr3.iclkout;
+ dxr2_ddr3_cmd_ctrl_data.cmd1csratio = settings.ddr3.ddr3_sratio;
+ dxr2_ddr3_cmd_ctrl_data.cmd1iclkout = settings.ddr3.iclkout;
+ dxr2_ddr3_cmd_ctrl_data.cmd2csratio = settings.ddr3.ddr3_sratio;
+ dxr2_ddr3_cmd_ctrl_data.cmd2iclkout = settings.ddr3.iclkout;
+
+ dxr2_ddr3_ioregs.cm0ioctl = settings.ddr3.ioctr_val,
+ dxr2_ddr3_ioregs.cm1ioctl = settings.ddr3.ioctr_val,
+ dxr2_ddr3_ioregs.cm2ioctl = settings.ddr3.ioctr_val,
+ dxr2_ddr3_ioregs.dt0ioctl = settings.ddr3.ioctr_val,
+ dxr2_ddr3_ioregs.dt1ioctl = settings.ddr3.ioctr_val,
+
+ config_ddr(DDR_PLL_FREQ, &dxr2_ddr3_ioregs, &dxr2_ddr3_data,
+ &dxr2_ddr3_cmd_ctrl_data, &dxr2_ddr3_emif_reg_data, 0);
+}
+
+static void spl_siemens_board_init(void)
+{
+ return;
+}
+#endif /* if def CONFIG_SPL_BUILD */
+
+#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)
+{
+ /* VTP can be added here */
+
+ return;
+}
+
+static struct cpsw_slave_data cpsw_slaves[] = {
+ {
+ .slave_reg_ofs = 0x208,
+ .sliver_reg_ofs = 0xd80,
+ .phy_addr = 0,
+ .phy_if = PHY_INTERFACE_MODE_MII,
+ },
+};
+
+static struct cpsw_platform_data cpsw_data = {
+ .mdio_base = CPSW_MDIO_BASE,
+ .cpsw_base = CPSW_BASE,
+ .mdio_div = 0xff,
+ .channels = 4,
+ .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,
+};
+
+#if defined(CONFIG_DRIVER_TI_CPSW) || \
+ (defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET))
+int board_eth_init(bd_t *bis)
+{
+ struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
+ int n = 0;
+ int rv;
+
+ factoryset_setenv();
+
+ /* Set rgmii mode and enable rmii clock to be sourced from chip */
+ writel((RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE), &cdev->miisel);
+
+ rv = cpsw_register(&cpsw_data);
+ if (rv < 0)
+ printf("Error %d registering CPSW switch\n", rv);
+ else
+ n += rv;
+ return n;
+}
+
+static int do_switch_reset(cmd_tbl_t *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ /* Reset SMSC LAN9303 switch for default configuration */
+ gpio_request(GPIO_LAN9303_NRST, "nRST");
+ gpio_direction_output(GPIO_LAN9303_NRST, 0);
+ /* assert active low reset for 200us */
+ udelay(200);
+ gpio_set_value(GPIO_LAN9303_NRST, 1);
+
+ return 0;
+};
+
+U_BOOT_CMD(
+ switch_rst, CONFIG_SYS_MAXARGS, 1, do_switch_reset,
+ "Reset LAN9303 switch via its reset pin",
+ ""
+);
+#endif /* #if defined(CONFIG_DRIVER_TI_CPSW) */
+#endif /* #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) */
+
+#include "../common/board.c"
Code Review / kvmfornfv.git / blobdiff