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-rw-r--r--roms/u-boot/board/BuR/common/common.c404
1 files changed, 404 insertions, 0 deletions
diff --git a/roms/u-boot/board/BuR/common/common.c b/roms/u-boot/board/BuR/common/common.c
new file mode 100644
index 000000000..78bf7d622
--- /dev/null
+++ b/roms/u-boot/board/BuR/common/common.c
@@ -0,0 +1,404 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * common.c
+ *
+ * common board functions for B&R boards
+ *
+ * Copyright (C) 2013 Hannes Schmelzer <oe5hpm@oevsv.at>
+ * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
+ *
+ */
+#include <log.h>
+#include <version.h>
+#include <common.h>
+#include <env.h>
+#include <fdtdec.h>
+#include <i2c.h>
+#include <lcd.h>
+#include <asm/global_data.h>
+#include <linux/delay.h>
+#include "bur_common.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* --------------------------------------------------------------------------*/
+#if defined(CONFIG_LCD) && defined(CONFIG_AM335X_LCD) && \
+ !defined(CONFIG_DM_VIDEO) && !defined(CONFIG_SPL_BUILD)
+#include <asm/arch/hardware.h>
+#include <asm/arch/cpu.h>
+#include <asm/gpio.h>
+#include <power/tps65217.h>
+#include "../../../drivers/video/ti/am335x-fb.h"
+
+void lcdbacklight(int on)
+{
+ unsigned int driver = env_get_ulong("ds1_bright_drv", 16, 0UL);
+ unsigned int bright = env_get_ulong("ds1_bright_def", 10, 50);
+ unsigned int pwmfrq = env_get_ulong("ds1_pwmfreq", 10, ~0UL);
+ unsigned int tmp;
+ struct gptimer *timerhw;
+
+ if (on)
+ bright = bright != ~0UL ? bright : 50;
+ else
+ bright = 0;
+
+ switch (driver) {
+ case 2:
+ timerhw = (struct gptimer *)DM_TIMER5_BASE;
+ break;
+ default:
+ timerhw = (struct gptimer *)DM_TIMER6_BASE;
+ }
+
+ switch (driver) {
+ case 0: /* PMIC LED-Driver */
+ /* brightness level */
+ tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
+ TPS65217_WLEDCTRL2, bright, 0xFF);
+ /* current sink */
+ tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
+ TPS65217_WLEDCTRL1,
+ bright != 0 ? 0x0A : 0x02,
+ 0xFF);
+ break;
+ case 1:
+ case 2: /* PWM using timer */
+ if (pwmfrq != ~0UL) {
+ timerhw->tiocp_cfg = TCFG_RESET;
+ udelay(10);
+ while (timerhw->tiocp_cfg & TCFG_RESET)
+ ;
+ tmp = ~0UL-(V_OSCK/pwmfrq); /* bottom value */
+ timerhw->tldr = tmp;
+ timerhw->tcrr = tmp;
+ tmp = tmp + ((V_OSCK/pwmfrq)/100) * bright;
+ timerhw->tmar = tmp;
+ timerhw->tclr = (TCLR_PT | (2 << TCLR_TRG_SHIFT) |
+ TCLR_CE | TCLR_AR | TCLR_ST);
+ } else {
+ puts("invalid pwmfrq in env/dtb! skip PWM-setup.\n");
+ }
+ break;
+ default:
+ puts("no suitable backlightdriver in env/dtb!\n");
+ break;
+ }
+}
+
+int load_lcdtiming(struct am335x_lcdpanel *panel)
+{
+ struct am335x_lcdpanel pnltmp;
+
+ pnltmp.hactive = env_get_ulong("ds1_hactive", 10, ~0UL);
+ pnltmp.vactive = env_get_ulong("ds1_vactive", 10, ~0UL);
+ pnltmp.bpp = env_get_ulong("ds1_bpp", 10, ~0UL);
+ pnltmp.hfp = env_get_ulong("ds1_hfp", 10, ~0UL);
+ pnltmp.hbp = env_get_ulong("ds1_hbp", 10, ~0UL);
+ pnltmp.hsw = env_get_ulong("ds1_hsw", 10, ~0UL);
+ pnltmp.vfp = env_get_ulong("ds1_vfp", 10, ~0UL);
+ pnltmp.vbp = env_get_ulong("ds1_vbp", 10, ~0UL);
+ pnltmp.vsw = env_get_ulong("ds1_vsw", 10, ~0UL);
+ pnltmp.pxl_clk = env_get_ulong("ds1_pxlclk", 10, ~0UL);
+ pnltmp.pol = env_get_ulong("ds1_pol", 16, ~0UL);
+ pnltmp.pup_delay = env_get_ulong("ds1_pupdelay", 10, ~0UL);
+ pnltmp.pon_delay = env_get_ulong("ds1_tondelay", 10, ~0UL);
+ panel_info.vl_rot = env_get_ulong("ds1_rotation", 10, 0);
+
+ if (
+ ~0UL == (pnltmp.hactive) ||
+ ~0UL == (pnltmp.vactive) ||
+ ~0UL == (pnltmp.bpp) ||
+ ~0UL == (pnltmp.hfp) ||
+ ~0UL == (pnltmp.hbp) ||
+ ~0UL == (pnltmp.hsw) ||
+ ~0UL == (pnltmp.vfp) ||
+ ~0UL == (pnltmp.vbp) ||
+ ~0UL == (pnltmp.vsw) ||
+ ~0UL == (pnltmp.pxl_clk) ||
+ ~0UL == (pnltmp.pol) ||
+ ~0UL == (pnltmp.pup_delay) ||
+ ~0UL == (pnltmp.pon_delay)
+ ) {
+ puts("lcd-settings in env/dtb incomplete!\n");
+ printf("display-timings:\n"
+ "================\n"
+ "hactive: %d\n"
+ "vactive: %d\n"
+ "bpp : %d\n"
+ "hfp : %d\n"
+ "hbp : %d\n"
+ "hsw : %d\n"
+ "vfp : %d\n"
+ "vbp : %d\n"
+ "vsw : %d\n"
+ "pxlclk : %d\n"
+ "pol : 0x%08x\n"
+ "pondly : %d\n",
+ pnltmp.hactive, pnltmp.vactive, pnltmp.bpp,
+ pnltmp.hfp, pnltmp.hbp, pnltmp.hsw,
+ pnltmp.vfp, pnltmp.vbp, pnltmp.vsw,
+ pnltmp.pxl_clk, pnltmp.pol, pnltmp.pon_delay);
+
+ return -1;
+ }
+ debug("lcd-settings in env complete, taking over.\n");
+ memcpy((void *)panel,
+ (void *)&pnltmp,
+ sizeof(struct am335x_lcdpanel));
+
+ return 0;
+}
+
+static void br_summaryscreen_printenv(char *prefix,
+ char *name, char *altname,
+ char *suffix)
+{
+ char *envval = env_get(name);
+ if (0 != envval) {
+ lcd_printf("%s %s %s", prefix, envval, suffix);
+ } else if (0 != altname) {
+ envval = env_get(altname);
+ if (0 != envval)
+ lcd_printf("%s %s %s", prefix, envval, suffix);
+ } else {
+ lcd_printf("\n");
+ }
+}
+
+void br_summaryscreen(void)
+{
+ br_summaryscreen_printenv(" - B&R -", "br_orderno", 0, "-\n");
+ br_summaryscreen_printenv(" Serial/Rev :", "br_serial", 0, "\n");
+ br_summaryscreen_printenv(" MAC1 :", "br_mac1", "ethaddr", "\n");
+ br_summaryscreen_printenv(" MAC2 :", "br_mac2", 0, "\n");
+ lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
+ lcd_puts("\n");
+}
+
+void lcdpower(int on)
+{
+ u32 pin, swval, i;
+ char buf[16] = { 0 };
+
+ pin = env_get_ulong("ds1_pwr", 16, ~0UL);
+
+ if (pin == ~0UL) {
+ puts("no pwrpin in dtb/env, cannot powerup display!\n");
+ return;
+ }
+
+ for (i = 0; i < 3; i++) {
+ if (pin != 0) {
+ snprintf(buf, sizeof(buf), "ds1_pwr#%d", i);
+ if (gpio_request(pin & 0x7F, buf) != 0) {
+ printf("%s: not able to request gpio %s",
+ __func__, buf);
+ continue;
+ }
+ swval = pin & 0x80 ? 0 : 1;
+ if (on)
+ gpio_direction_output(pin & 0x7F, swval);
+ else
+ gpio_direction_output(pin & 0x7F, !swval);
+
+ debug("switched pin %d to %d\n", pin & 0x7F, swval);
+ }
+ pin >>= 8;
+ }
+}
+
+vidinfo_t panel_info = {
+ .vl_col = 1366, /*
+ * give full resolution for allocating enough
+ * memory
+ */
+ .vl_row = 768,
+ .vl_bpix = 5,
+ .priv = 0
+};
+
+void lcd_ctrl_init(void *lcdbase)
+{
+ struct am335x_lcdpanel lcd_panel;
+
+ memset(&lcd_panel, 0, sizeof(struct am335x_lcdpanel));
+ if (load_lcdtiming(&lcd_panel) != 0)
+ return;
+
+ lcd_panel.panel_power_ctrl = &lcdpower;
+
+ if (0 != am335xfb_init(&lcd_panel))
+ printf("ERROR: failed to initialize video!");
+ /*
+ * modifiy panel info to 'real' resolution, to operate correct with
+ * lcd-framework.
+ */
+ panel_info.vl_col = lcd_panel.hactive;
+ panel_info.vl_row = lcd_panel.vactive;
+
+ lcd_set_flush_dcache(1);
+}
+
+void lcd_enable(void)
+{
+ br_summaryscreen();
+ lcdbacklight(1);
+}
+#endif /* CONFIG_LCD */
+
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+ int nodeoffset;
+
+ nodeoffset = fdt_path_offset(blob, "/factory-settings");
+ if (nodeoffset < 0) {
+ printf("%s: cannot find /factory-settings, trying /fset\n",
+ __func__);
+ nodeoffset = fdt_path_offset(blob, "/fset");
+ if (nodeoffset < 0) {
+ printf("%s: cannot find /fset.\n", __func__);
+ return 0;
+ }
+ }
+
+ if (fdt_setprop(blob, nodeoffset, "bl-version",
+ PLAIN_VERSION, strlen(PLAIN_VERSION)) != 0) {
+ printf("%s: no 'bl-version' prop in fdt!\n", __func__);
+ return 0;
+ }
+ return 0;
+}
+
+int brdefaultip_setup(int bus, int chip)
+{
+ int rc;
+ struct udevice *i2cdev;
+ u8 u8buf = 0;
+ char defip[256] = { 0 };
+
+ rc = i2c_get_chip_for_busnum(bus, chip, 2, &i2cdev);
+ if (rc != 0) {
+ printf("WARN: cannot probe baseboard EEPROM!\n");
+ return -1;
+ }
+
+ rc = dm_i2c_read(i2cdev, 0, &u8buf, 1);
+ if (rc != 0) {
+ printf("WARN: cannot read baseboard EEPROM!\n");
+ return -1;
+ }
+
+ if (u8buf != 0xFF)
+ snprintf(defip, sizeof(defip),
+ "if test -r ${ipaddr}; then; else setenv ipaddr 192.168.60.%d; setenv serverip 192.168.60.254; setenv gatewayip 192.168.60.254; setenv netmask 255.255.255.0; fi;",
+ u8buf);
+ else
+ strncpy(defip,
+ "if test -r ${ipaddr}; then; else setenv ipaddr 192.168.60.1; setenv serverip 192.168.60.254; setenv gatewayip 192.168.60.254; setenv netmask 255.255.255.0; fi;",
+ sizeof(defip));
+
+ env_set("brdefaultip", defip);
+ env_set_hex("board_id", u8buf);
+
+ return 0;
+}
+
+int overwrite_console(void)
+{
+ return 1;
+}
+
+#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_AM33XX)
+#include <asm/arch/hardware.h>
+#include <asm/arch/omap.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sys_proto.h>
+#include <power/tps65217.h>
+
+static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
+
+void pmicsetup(u32 mpupll, unsigned int bus)
+{
+ int mpu_vdd;
+ int usb_cur_lim;
+
+ if (power_tps65217_init(bus)) {
+ printf("WARN: cannot setup PMIC 0x24 @ bus #%d, not found!.\n",
+ bus);
+ return;
+ }
+
+ /* Get the frequency which is defined by device fuses */
+ dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
+ printf("detected max. frequency: %d - ", dpll_mpu_opp100.m);
+
+ if (0 != mpupll) {
+ dpll_mpu_opp100.m = mpupll;
+ printf("retuning MPU-PLL to: %d MHz.\n", dpll_mpu_opp100.m);
+ } else {
+ puts("ok.\n");
+ }
+ /*
+ * Increase USB current limit to 1300mA or 1800mA and set
+ * the MPU voltage controller as needed.
+ */
+ if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
+ usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
+ mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
+ } else {
+ usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
+ mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
+ }
+
+ if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_POWER_PATH,
+ usb_cur_lim, TPS65217_USB_INPUT_CUR_LIMIT_MASK))
+ puts("tps65217_reg_write failure\n");
+
+ /* Set DCDC3 (CORE) voltage to 1.125V */
+ if (tps65217_voltage_update(TPS65217_DEFDCDC3,
+ TPS65217_DCDC_VOLT_SEL_1125MV)) {
+ puts("tps65217_voltage_update failure\n");
+ return;
+ }
+
+ /* Set CORE Frequencies to OPP100 */
+ do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
+
+ /* Set DCDC2 (MPU) voltage */
+ if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
+ puts("tps65217_voltage_update failure\n");
+ return;
+ }
+
+ /* Set LDO3 to 1.8V */
+ if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
+ TPS65217_DEFLS1,
+ TPS65217_LDO_VOLTAGE_OUT_1_8,
+ TPS65217_LDO_MASK))
+ puts("tps65217_reg_write failure\n");
+ /* Set LDO4 to 3.3V */
+ if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
+ TPS65217_DEFLS2,
+ TPS65217_LDO_VOLTAGE_OUT_3_3,
+ TPS65217_LDO_MASK))
+ puts("tps65217_reg_write failure\n");
+
+ /* Set MPU Frequency to what we detected now that voltages are set */
+ do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
+ /* Set PWR_EN bit in Status Register */
+ tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
+ TPS65217_STATUS, TPS65217_PWR_OFF, TPS65217_PWR_OFF);
+}
+
+void set_uart_mux_conf(void)
+{
+ enable_uart0_pin_mux();
+}
+
+void set_mux_conf_regs(void)
+{
+ enable_board_pin_mux();
+}
+
+#endif /* CONFIG_SPL_BUILD && CONFIG_AM33XX */