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@@ -23,49 +23,20 @@
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#include <asm/emif.h>
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#include <asm/gpio.h>
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#include <dm.h>
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-#include <i2c.h>
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#include <power/tps65217.h>
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#include "../common/bur_common.h"
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-#include <lcd.h>
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+#include "../common/br_resetc.h"
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/* -------------------------------------------------------------------------*/
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/* -- defines for used GPIO Hardware -- */
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-/* -- PSOC Resetcontroller Register defines -- */
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#define ESC_KEY (0 + 19)
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#define LCD_PWR (0 + 5)
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-/* I2C Address of controller */
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-#define RSTCTRL_ADDR 0x75
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-/* Register for CTRL-word */
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-#define RSTCTRL_CTRLREG 0x01
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-/* Register for giving some information to VxWorks OS */
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-#define RSTCTRL_SCRATCHREG 0x04
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-
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-/* -- defines for RSTCTRL_CTRLREG -- */
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-#define RSTCTRL_FORCE_PWR_NEN 0x0404
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-#define RSTCTRL_CAN_STB 0x4040
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+#define RSTCTRL_FORCE_PWR_NEN 0x04
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+#define RSTCTRL_CAN_STB 0x40
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DECLARE_GLOBAL_DATA_PTR;
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-static int rstctrl_rw(u8 reg, unsigned char rnw, void *pdat, int size)
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-{
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- struct udevice *i2cdev;
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- int rc;
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-
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- rc = i2c_get_chip_for_busnum(0, RSTCTRL_ADDR, 1, &i2cdev);
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- if (rc >= 0) {
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- if (rnw)
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- rc = dm_i2c_read(i2cdev, reg, pdat, size);
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- else
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- rc = dm_i2c_write(i2cdev, reg, pdat, size);
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- } else {
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- printf("%s: cannot get udevice for chip 0x%02x!\n",
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- __func__, RSTCTRL_ADDR);
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- }
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-
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- return rc;
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-}
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-
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#if defined(CONFIG_SPL_BUILD)
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static const struct ddr_data ddr3_data = {
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.datardsratio0 = MT41K256M16HA125E_RD_DQS,
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@@ -108,7 +79,6 @@ const struct dpll_params dpll_ddr3 = { 400, OSC - 1, 1, -1, -1, -1, -1};
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void am33xx_spl_board_init(void)
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{
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- unsigned short buf;
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int rc;
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struct cm_perpll *const cmper = (struct cm_perpll *)CM_PER;
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@@ -142,10 +112,10 @@ void am33xx_spl_board_init(void)
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enable_i2c_pin_mux();
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/* power-ON 3V3 via Resetcontroller */
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- buf = RSTCTRL_FORCE_PWR_NEN | RSTCTRL_CAN_STB;
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- rc = rstctrl_rw(RSTCTRL_CTRLREG, 0, (uint8_t *)&buf, sizeof(buf));
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+ rc = br_resetc_regset(RSTCTRL_CTRLREG,
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+ RSTCTRL_FORCE_PWR_NEN | RSTCTRL_CAN_STB);
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if (rc != 0)
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- printf("ERROR: cannot write to resetc (turn on PWR_nEN)\n");
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+ printf("ERROR: cannot write to resetc (turn on PWR_nEN)!\n");
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pmicsetup(0, 0);
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}
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@@ -168,6 +138,9 @@ void sdram_init(void)
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*/
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int board_init(void)
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{
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+ /* request common used gpios */
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+ gpio_request(ESC_KEY, "boot-key");
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+
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if (power_tps65217_init(0))
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printf("WARN: cannot setup PMIC 0x24 @ bus #0, not found!.\n");
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@@ -175,117 +148,19 @@ int board_init(void)
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}
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#ifdef CONFIG_BOARD_LATE_INIT
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-int board_late_init(void)
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-{
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- const unsigned int toff = 1000;
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- unsigned int cnt = 3;
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- unsigned short buf = 0xAAAA;
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- unsigned char scratchreg = 0;
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- int rc;
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- /* try to read out some boot-instruction from resetcontroller */
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- rc = rstctrl_rw(RSTCTRL_SCRATCHREG, 1, &scratchreg, sizeof(scratchreg));
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- if (rc != 0)
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- printf("ERROR: read scratchregister (resetc) failed!\n");
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+int board_boot_key(void)
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+{
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+ return gpio_get_value(ESC_KEY);
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+}
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- if (gpio_request(ESC_KEY, "boot-key") != 0) {
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- printf("cannot request boot-key!\n");
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- } else if (gpio_get_value(ESC_KEY)) {
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- do {
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- lcd_position_cursor(1, 8);
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- switch (cnt) {
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- case 3:
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- lcd_puts(
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- "release ESC-KEY to enter SERVICE-mode.");
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- break;
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- case 2:
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- lcd_puts(
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- "release ESC-KEY to enter DIAGNOSE-mode.");
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- break;
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- case 1:
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- lcd_puts(
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- "release ESC-KEY to enter BOOT-mode. ");
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- break;
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- }
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- mdelay(toff);
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- cnt--;
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- if (!gpio_get_value(ESC_KEY) &&
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- gpio_get_value(PUSH_KEY) && 2 == cnt) {
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- lcd_position_cursor(1, 8);
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- lcd_puts(
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- "switching to network-console ... ");
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- env_set("bootcmd", "run netconsole");
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- cnt = 4;
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- break;
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- } else if (!gpio_get_value(ESC_KEY) &&
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- gpio_get_value(PUSH_KEY) && 1 == cnt) {
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- lcd_position_cursor(1, 8);
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- lcd_puts(
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- "starting u-boot script from USB ... ");
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- env_set("bootcmd", "run usbscript");
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- cnt = 4;
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- break;
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- } else if ((!gpio_get_value(ESC_KEY) &&
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- gpio_get_value(PUSH_KEY) && cnt == 0) ||
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- (gpio_get_value(ESC_KEY) &&
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- gpio_get_value(PUSH_KEY) && cnt == 0)) {
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- lcd_position_cursor(1, 8);
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- lcd_puts(
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- "starting script from network ... ");
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- env_set("bootcmd", "run netscript");
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- cnt = 4;
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- break;
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- } else if (!gpio_get_value(ESC_KEY)) {
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- break;
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- }
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- } while (cnt);
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- } else if (scratchreg == 0xCC) {
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- lcd_position_cursor(1, 8);
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- lcd_puts(
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- "starting vxworks from network ... ");
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- env_set("bootcmd", "run netboot");
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- cnt = 4;
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- } else if (scratchreg == 0xCD) {
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- lcd_position_cursor(1, 8);
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- lcd_puts(
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- "starting script from network ... ");
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- env_set("bootcmd", "run netscript");
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- cnt = 4;
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- } else if (scratchreg == 0xCE) {
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- lcd_position_cursor(1, 8);
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- lcd_puts(
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- "starting AR from eMMC ... ");
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- env_set("bootcmd", "run mmcboot");
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- cnt = 4;
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- }
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+int board_late_init(void)
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+{
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+ char othbootargs[128];
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- lcd_position_cursor(1, 8);
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- switch (cnt) {
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- case 0:
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- lcd_puts("entering BOOT-mode. ");
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- env_set("bootcmd", "run defaultAR");
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- buf = 0x0000;
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- break;
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- case 1:
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- lcd_puts("entering DIAGNOSE-mode. ");
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- buf = 0x0F0F;
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- break;
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- case 2:
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- lcd_puts("entering SERVICE mode. ");
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- buf = 0xB4B4;
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- break;
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- case 3:
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- lcd_puts("loading OS... ");
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- buf = 0x0404;
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- break;
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- }
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- /* write bootinfo into scratchregister of resetcontroller */
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- rc = rstctrl_rw(RSTCTRL_SCRATCHREG, 0, (uint8_t *)&buf, sizeof(buf));
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- if (rc != 0)
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- printf("ERROR: write scratchregister (resetc) failed!\n");
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+ br_resetc_bmode();
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/* setup othbootargs for bootvx-command (vxWorks bootline) */
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- char othbootargs[128];
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snprintf(othbootargs, sizeof(othbootargs),
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"u=vxWorksFTP pw=vxWorks o=0x%08x;0x%08x;0x%08x;0x%08x",
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(u32)gd->fb_base - 0x20,
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