watchdog: Implement generic watchdog_reset() version

[oweals/u-boot.git] / common / board_r.c

diff --git a/common/board_r.c b/common/board_r.c
index 6349e86f71ae0f07b81e0991175843856a82daaf..150e8cd424f64b6ebe435bf817f0483492d9a153 100644 (file)
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (c) 2011 The Chromium OS Authors.
  * (C) Copyright 2002-2006
@@ -6,8 +7,6 @@
  * (C) Copyright 2002
  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
  * Marius Groeger <mgroeger@sysgo.de>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -23,10 +22,6 @@
 #include <fdtdec.h>
 #include <ide.h>
 #include <initcall.h>
-#include <init_helpers.h>
-#ifdef CONFIG_PS2KBD
-#include <keyboard.h>
-#endif
 #if defined(CONFIG_CMD_KGDB)
 #include <kgdb.h>
 #endif
@@ -41,7 +36,6 @@
 #include <onenand_uboot.h>
 #include <scsi.h>
 #include <serial.h>
-#include <spi.h>
 #include <stdio_dev.h>
 #include <timer.h>
 #include <trace.h>
@@ -54,6 +48,7 @@
 #include <linux/compiler.h>
 #include <linux/err.h>
 #include <efi_loader.h>
+#include <wdt.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -145,15 +140,12 @@ static int initr_reloc_global_data(void)
         */
        fixup_cpu();
 #endif
-#ifdef CONFIG_SYS_EXTRA_ENV_RELOC
+#if !defined(CONFIG_ENV_ADDR) || defined(ENV_IS_EMBEDDED)
        /*
-        * Some systems need to relocate the env_addr pointer early because the
-        * location it points to will get invalidated before env_relocate is
-        * called.  One example is on systems that might use a L2 or L3 cache
-        * in SRAM mode and initialize that cache from SRAM mode back to being
-        * a cache in cpu_init_r.
+        * Relocate the early env_addr pointer unless we know it is not inside
+        * the binary. Some systems need this and for the rest, it doesn't hurt.
         */
-       gd->env_addr += gd->relocaddr - CONFIG_SYS_MONITOR_BASE;
+       gd->env_addr += gd->reloc_off;
 #endif
 #ifdef CONFIG_OF_EMBED
        /*
@@ -163,6 +155,13 @@ static int initr_reloc_global_data(void)
        gd->fdt_blob += gd->reloc_off;
 #endif
 #ifdef CONFIG_EFI_LOADER
+       /*
+        * On the ARM architecture gd is mapped to a fixed register (r9 or x18).
+        * As this register may be overwritten by an EFI payload we save it here
+        * and restore it on every callback entered.
+        */
+       efi_save_gd();
+
        efi_runtime_relocate(gd->relocaddr, NULL);
 #endif
 
@@ -387,20 +386,6 @@ static int initr_flash(void)
 }
 #endif
 
-#if defined(CONFIG_PPC) && !defined(CONFIG_DM_SPI)
-static int initr_spi(void)
-{
-       /* PPC does this here */
-#ifdef CONFIG_SPI
-#if !defined(CONFIG_ENV_IS_IN_EEPROM)
-       spi_init_f();
-#endif
-       spi_init_r();
-#endif
-       return 0;
-}
-#endif
-
 #ifdef CONFIG_CMD_NAND
 /* go init the NAND */
 static int initr_nand(void)
@@ -459,9 +444,10 @@ static int initr_env(void)
        if (should_load_env())
                env_relocate();
        else
-               set_default_env(NULL);
+               set_default_env(NULL, 0);
 #ifdef CONFIG_OF_CONTROL
-       env_set_addr("fdtcontroladdr", gd->fdt_blob);
+       env_set_hex("fdtcontroladdr",
+                   (unsigned long)map_to_sysmem(gd->fdt_blob));
 #endif
 
        /* Initialize from environment */
@@ -558,6 +544,7 @@ static int initr_scsi(void)
 {
        puts("SCSI:  ");
        scsi_init();
+       puts("\n");
 
        return 0;
 }
@@ -601,7 +588,7 @@ static int initr_pcmcia(void)
 }
 #endif
 
-#if defined(CONFIG_IDE)
+#if defined(CONFIG_IDE) && !defined(CONFIG_BLK)
 static int initr_ide(void)
 {
        puts("IDE:   ");
@@ -642,15 +629,6 @@ static int initr_bedbug(void)
 }
 #endif
 
-#ifdef CONFIG_PS2KBD
-static int initr_kbd(void)
-{
-       puts("PS/2:  ");
-       kbd_init();
-       return 0;
-}
-#endif
-
 static int run_main_loop(void)
 {
 #ifdef CONFIG_SANDBOX
@@ -663,10 +641,7 @@ static int run_main_loop(void)
 }
 
 /*
- * Over time we hope to remove these functions with code fragments and
- * stub funtcions, and instead call the relevant function directly.
- *
- * We also hope to remove most of the driver-related init and do it if/when
+ * We hope to remove most of the driver-related init and do it if/when
  * the driver is later used.
  *
  * TODO: perhaps reset the watchdog in the initcall function after each call?
@@ -703,7 +678,11 @@ static init_fnc_t init_sequence_r[] = {
 #ifdef CONFIG_DM
        initr_dm,
 #endif
-#if defined(CONFIG_ARM) || defined(CONFIG_NDS32) || defined(CONFIG_RISCV)
+#if defined(CONFIG_WDT)
+       initr_watchdog,
+#endif
+#if defined(CONFIG_ARM) || defined(CONFIG_NDS32) || defined(CONFIG_RISCV) || \
+       defined(CONFIG_SANDBOX)
        board_init,     /* Setup chipselects */
 #endif
        /*
@@ -758,9 +737,6 @@ static init_fnc_t init_sequence_r[] = {
        /* initialize higher level parts of CPU like time base and timers */
        cpu_init_r,
 #endif
-#ifdef CONFIG_PPC
-       initr_spi,
-#endif
 #ifdef CONFIG_CMD_NAND
        initr_nand,
 #endif
@@ -840,7 +816,7 @@ static init_fnc_t init_sequence_r[] = {
 #if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_IDE)
        initr_pcmcia,
 #endif
-#if defined(CONFIG_IDE)
+#if defined(CONFIG_IDE) && !defined(CONFIG_BLK)
        initr_ide,
 #endif
 #ifdef CONFIG_LAST_STAGE_INIT
@@ -858,9 +834,6 @@ static init_fnc_t init_sequence_r[] = {
 #endif
 #if defined(CONFIG_PRAM)
        initr_mem,
-#endif
-#ifdef CONFIG_PS2KBD
-       initr_kbd,
 #endif
        run_main_loop,
 };