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-rw-r--r--board/BuR/common/br_resetc.c234
-rw-r--r--board/BuR/common/br_resetc.h26
-rw-r--r--board/BuR/common/bur_common.h2
-rw-r--r--board/BuR/common/common.c73
4 files changed, 315 insertions, 20 deletions
diff --git a/board/BuR/common/br_resetc.c b/board/BuR/common/br_resetc.c
new file mode 100644
index 0000000000..190f141091
--- /dev/null
+++ b/board/BuR/common/br_resetc.c
@@ -0,0 +1,234 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * common reset-controller functions for B&R boards
+ *
+ * Copyright (C) 2019 Hannes Schmelzer <oe5hpm@oevsv.at>
+ * B&R Industrial Automation GmbH - http://www.br-automation.com/ *
+ */
+#include <common.h>
+#include <errno.h>
+#include <i2c.h>
+#include <dm/uclass.h>
+#include "br_resetc.h"
+
+/* I2C Address of controller */
+#define RSTCTRL_ADDR_PSOC 0x75
+#define RSTCTRL_ADDR_STM32 0x60
+
+#define BMODE_DEFAULTAR 0
+#define BMODE_SERVICE 2
+#define BMODE_RUN 4
+#define BMODE_PME 12
+#define BMODE_DIAG 15
+
+#ifdef CONFIG_LCD
+#include <lcd.h>
+#define LCD_SETCURSOR(x, y) lcd_position_cursor(x, y)
+#define LCD_PUTS(x) lcd_puts(x)
+#else
+#define LCD_SETCURSOR(x, y)
+#define LCD_PUTS(x)
+#endif /* CONFIG_LCD */
+
+static const char *bootmodeascii[16] = {
+ "BOOT", "reserved", "reserved", "reserved",
+ "RUN", "reserved", "reserved", "reserved",
+ "reserved", "reserved", "reserved", "reserved",
+ "PME", "reserved", "reserved", "DIAG",
+};
+
+struct br_reset_t {
+ struct udevice *i2cdev;
+ u8 is_psoc;
+};
+
+static struct br_reset_t resetc;
+
+__weak int board_boot_key(void)
+{
+ return 0;
+}
+
+__weak void board_boot_led(unsigned int on)
+{
+}
+
+static int resetc_init(void)
+{
+ struct udevice *i2cbus;
+ int rc;
+
+ rc = uclass_get_device_by_seq(UCLASS_I2C, 0, &i2cbus);
+ if (rc) {
+ printf("Cannot find I2C bus #0!\n");
+ return -1;
+ }
+
+ rc = dm_i2c_probe(i2cbus,
+ RSTCTRL_ADDR_PSOC, 0, &resetc.i2cdev);
+ if (rc) {
+ resetc.is_psoc = 0;
+ rc = dm_i2c_probe(i2cbus,
+ RSTCTRL_ADDR_STM32, 0, &resetc.i2cdev);
+ }
+
+ if (rc)
+ printf("Warning: cannot probe BuR resetcontroller!\n");
+
+ return rc;
+}
+
+int br_resetc_regget(u8 reg, u8 *dst)
+{
+ int rc = 0;
+
+ if (!resetc.i2cdev)
+ rc = resetc_init();
+
+ if (rc != 0)
+ return rc;
+
+ return dm_i2c_read(resetc.i2cdev, reg, dst, 1);
+}
+
+int br_resetc_regset(u8 reg, u8 val)
+{
+ int rc = 0;
+ u16 regw = (val << 8) | val;
+
+ if (!resetc.i2cdev)
+ rc = resetc_init();
+
+ if (rc != 0)
+ return rc;
+
+ if (resetc.is_psoc)
+ return dm_i2c_write(resetc.i2cdev, reg, (u8 *)&regw, 2);
+
+ return dm_i2c_write(resetc.i2cdev, reg, (u8 *)&regw, 1);
+}
+
+int br_resetc_bmode(void)
+{
+ int rc = 0;
+ u16 regw;
+ u8 regb, scr;
+ int cnt;
+ unsigned int bmode = 0;
+
+ if (!resetc.i2cdev)
+ rc = resetc_init();
+
+ if (rc != 0)
+ return rc;
+
+ rc = dm_i2c_read(resetc.i2cdev, RSTCTRL_ENHSTATUS, &regb, 1);
+ if (rc != 0) {
+ printf("WARN: cannot read ENHSTATUS from resetcontroller!\n");
+ return -1;
+ }
+
+ rc = dm_i2c_read(resetc.i2cdev, RSTCTRL_SCRATCHREG0, &scr, 1);
+ if (rc != 0) {
+ printf("WARN: cannot read SCRATCHREG from resetcontroller!\n");
+ return -1;
+ }
+
+ board_boot_led(1);
+
+ /* special bootmode from resetcontroller */
+ if (regb & 0x4) {
+ bmode = BMODE_DIAG;
+ } else if (regb & 0x8) {
+ bmode = BMODE_DEFAULTAR;
+ } else if (board_boot_key() != 0) {
+ cnt = 4;
+ do {
+ LCD_SETCURSOR(1, 8);
+ switch (cnt) {
+ case 4:
+ LCD_PUTS
+ ("release KEY to enter SERVICE-mode. ");
+ break;
+ case 3:
+ LCD_PUTS
+ ("release KEY to enter DIAGNOSE-mode. ");
+ break;
+ case 2:
+ LCD_PUTS
+ ("release KEY to enter BOOT-mode. ");
+ break;
+ }
+ mdelay(1000);
+ cnt--;
+ if (board_boot_key() == 0)
+ break;
+ } while (cnt);
+
+ switch (cnt) {
+ case 0:
+ bmode = BMODE_PME;
+ break;
+ case 1:
+ bmode = BMODE_DEFAULTAR;
+ break;
+ case 2:
+ bmode = BMODE_DIAG;
+ break;
+ case 3:
+ bmode = BMODE_SERVICE;
+ break;
+ }
+ } else if ((regb & 0x1) || scr == 0xCC) {
+ bmode = BMODE_PME;
+ } else {
+ bmode = BMODE_RUN;
+ }
+
+ LCD_SETCURSOR(1, 8);
+
+ switch (bmode) {
+ case BMODE_PME:
+ LCD_PUTS("entering PME-Mode (netscript). ");
+ regw = 0x0C0C;
+ break;
+ case BMODE_DEFAULTAR:
+ LCD_PUTS("entering BOOT-mode. ");
+ regw = 0x0000;
+ break;
+ case BMODE_DIAG:
+ LCD_PUTS("entering DIAGNOSE-mode. ");
+ regw = 0x0F0F;
+ break;
+ case BMODE_SERVICE:
+ LCD_PUTS("entering SERVICE mode. ");
+ regw = 0xB4B4;
+ break;
+ case BMODE_RUN:
+ LCD_PUTS("loading OS... ");
+ regw = 0x0404;
+ break;
+ }
+
+ board_boot_led(0);
+
+ if (resetc.is_psoc)
+ rc = dm_i2c_write(resetc.i2cdev, RSTCTRL_SCRATCHREG0,
+ (u8 *)&regw, 2);
+ else
+ rc = dm_i2c_write(resetc.i2cdev, RSTCTRL_SCRATCHREG0,
+ (u8 *)&regw, 1);
+
+ if (rc != 0)
+ printf("WARN: cannot write into resetcontroller!\n");
+
+ if (resetc.is_psoc)
+ printf("Reset: PSOC controller\n");
+ else
+ printf("Reset: STM32 controller\n");
+
+ printf("Mode: %s\n", bootmodeascii[regw & 0x0F]);
+ env_set_ulong("b_mode", regw & 0x0F);
+
+ return rc;
+}
diff --git a/board/BuR/common/br_resetc.h b/board/BuR/common/br_resetc.h
new file mode 100644
index 0000000000..ba0689bf20
--- /dev/null
+++ b/board/BuR/common/br_resetc.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * common reset-controller functions for B&R boards
+ *
+ * Copyright (C) 2019 Hannes Schmelzer <oe5hpm@oevsv.at>
+ * B&R Industrial Automation GmbH - http://www.br-automation.com/ *
+ */
+#ifndef __CONFIG_BRRESETC_H__
+#define __CONFIG_BRRESETC_H__
+#include <common.h>
+
+int br_resetc_regget(u8 reg, u8 *dst);
+int br_resetc_regset(u8 reg, u8 val);
+int br_resetc_bmode(void);
+
+/* reset controller register defines */
+#define RSTCTRL_CTRLREG 0x01
+#define RSTCTRL_SCRATCHREG0 0x04
+#define RSTCTRL_ENHSTATUS 0x07
+#define RSTCTRL_SCRATCHREG1 0x08
+#define RSTCTRL_RSTCAUSE 0x00
+#define RSTCTRL_ERSTCAUSE 0x09
+#define RSTCTRL_SPECGPIO_I 0x0A
+#define RSTCTRL_SPECGPIO_O 0x0B
+
+#endif /* __CONFIG_BRRESETC_H__ */
diff --git a/board/BuR/common/bur_common.h b/board/BuR/common/bur_common.h
index f743194c34..2591bf4bb3 100644
--- a/board/BuR/common/bur_common.h
+++ b/board/BuR/common/bur_common.h
@@ -21,4 +21,6 @@ void enable_i2c_pin_mux(void);
void enable_board_pin_mux(void);
int board_eth_init(bd_t *bis);
+int brdefaultip_setup(int bus, int chip);
+
#endif
diff --git a/board/BuR/common/common.c b/board/BuR/common/common.c
index 602c571f9c..89087d7dba 100644
--- a/board/BuR/common/common.c
+++ b/board/BuR/common/common.c
@@ -10,28 +10,22 @@
*/
#include <version.h>
#include <common.h>
-#include <environment.h>
-#include <errno.h>
-#include <asm/arch/cpu.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/omap.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/gpio.h>
-#include <asm/arch/sys_proto.h>
-#include <asm/arch/mmc_host_def.h>
-#include <asm/io.h>
-#include <asm/gpio.h>
+#include <fdtdec.h>
#include <i2c.h>
-#include <power/tps65217.h>
#include <lcd.h>
#include "bur_common.h"
-#include "../../../drivers/video/am335x-fb.h"
DECLARE_GLOBAL_DATA_PTR;
/* --------------------------------------------------------------------------*/
#if defined(CONFIG_LCD) && defined(CONFIG_AM335X_LCD) && \
!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/am335x-fb.h"
+
void lcdbacklight(int on)
{
unsigned int driver = env_get_ulong("ds1_bright_drv", 16, 0UL);
@@ -272,7 +266,51 @@ int ft_board_setup(void *blob, bd_t *bd)
return 0;
}
-#ifdef CONFIG_SPL_BUILD
+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;
@@ -359,9 +397,4 @@ void set_mux_conf_regs(void)
enable_board_pin_mux();
}
-#endif /* CONFIG_SPL_BUILD */
-
-int overwrite_console(void)
-{
- return 1;
-}
+#endif /* CONFIG_SPL_BUILD && CONFIG_AM33XX */
generated by cgit (git 2.34.1) at 2024-12-28 07:46:40 +0000