+// SPDX-License-Identifier: GPL-2.0+
/* Copyright (C) 2011
* Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
* - Added prep subcommand support
* Marius Groeger <mgroeger@sysgo.de>
*
* Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
+#include <dm.h>
+#include <dm/root.h>
#include <image.h>
#include <u-boot/zlib.h>
#include <asm/byteorder.h>
-#include <libfdt.h>
+#include <linux/libfdt.h>
+#include <mapmem.h>
#include <fdt_support.h>
#include <asm/bootm.h>
#include <asm/secure.h>
#include <bootm.h>
#include <vxworks.h>
-#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT)
+#ifdef CONFIG_ARMV7_NONSEC
#include <asm/armv7.h>
#endif
+#include <asm/setup.h>
DECLARE_GLOBAL_DATA_PTR;
void arch_lmb_reserve(struct lmb *lmb)
{
- ulong sp;
+ ulong sp, bank_end;
+ int bank;
/*
* Booting a (Linux) kernel image
/* adjust sp by 4K to be safe */
sp -= 4096;
- lmb_reserve(lmb, sp,
- gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size - sp);
+ for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
+ if (sp < gd->bd->bi_dram[bank].start)
+ continue;
+ bank_end = gd->bd->bi_dram[bank].start +
+ gd->bd->bi_dram[bank].size;
+ if (sp >= bank_end)
+ continue;
+ lmb_reserve(lmb, sp, bank_end - sp);
+ break;
+ }
+}
+
+__weak void board_quiesce_devices(void)
+{
}
/**
#ifdef CONFIG_USB_DEVICE
udc_disconnect();
#endif
+
+ board_quiesce_devices();
+
+ /*
+ * Call remove function of all devices with a removal flag set.
+ * This may be useful for last-stage operations, like cancelling
+ * of DMA operation or releasing device internal buffers.
+ */
+ dm_remove_devices_flags(DM_REMOVE_ACTIVE_ALL);
+
cleanup_before_linux();
}
{
smp_kick_all_cpus();
dcache_disable(); /* flush cache before swtiching to EL2 */
- armv8_switch_to_el2();
-#ifdef CONFIG_ARMV8_SWITCH_TO_EL1
- armv8_switch_to_el1();
-#endif
}
#endif
/* Subcommand: PREP */
static void boot_prep_linux(bootm_headers_t *images)
{
- char *commandline = getenv("bootargs");
+ char *commandline = env_get("bootargs");
if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) {
#ifdef CONFIG_OF_LIBFDT
if (BOOTM_ENABLE_MEMORY_TAGS)
setup_memory_tags(gd->bd);
if (BOOTM_ENABLE_INITRD_TAG) {
- if (images->rd_start && images->rd_end) {
+ /*
+ * In boot_ramdisk_high(), it may relocate ramdisk to
+ * a specified location. And set images->initrd_start &
+ * images->initrd_end to relocated ramdisk's start/end
+ * addresses. So use them instead of images->rd_start &
+ * images->rd_end when possible.
+ */
+ if (images->initrd_start && images->initrd_end) {
+ setup_initrd_tag(gd->bd, images->initrd_start,
+ images->initrd_end);
+ } else if (images->rd_start && images->rd_end) {
setup_initrd_tag(gd->bd, images->rd_start,
images->rd_end);
}
}
}
-#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT)
-bool armv7_boot_nonsec(void)
+__weak bool armv7_boot_nonsec_default(void)
{
- char *s = getenv("bootm_boot_mode");
#ifdef CONFIG_ARMV7_BOOT_SEC_DEFAULT
- bool nonsec = false;
+ return false;
#else
- bool nonsec = true;
+ return true;
#endif
+}
+
+#ifdef CONFIG_ARMV7_NONSEC
+bool armv7_boot_nonsec(void)
+{
+ char *s = env_get("bootm_boot_mode");
+ bool nonsec = armv7_boot_nonsec_default();
if (s && !strcmp(s, "sec"))
nonsec = false;
}
#endif
+#ifdef CONFIG_ARM64
+__weak void update_os_arch_secondary_cores(uint8_t os_arch)
+{
+}
+
+#ifdef CONFIG_ARMV8_SWITCH_TO_EL1
+static void switch_to_el1(void)
+{
+ if ((IH_ARCH_DEFAULT == IH_ARCH_ARM64) &&
+ (images.os.arch == IH_ARCH_ARM))
+ armv8_switch_to_el1(0, (u64)gd->bd->bi_arch_number,
+ (u64)images.ft_addr, 0,
+ (u64)images.ep,
+ ES_TO_AARCH32);
+ else
+ armv8_switch_to_el1((u64)images.ft_addr, 0, 0, 0,
+ images.ep,
+ ES_TO_AARCH64);
+}
+#endif
+#endif
+
/* Subcommand: GO */
static void boot_jump_linux(bootm_headers_t *images, int flag)
{
announce_and_cleanup(fake);
if (!fake) {
+#ifdef CONFIG_ARMV8_PSCI
+ armv8_setup_psci();
+#endif
do_nonsec_virt_switch();
- kernel_entry(images->ft_addr, NULL, NULL, NULL);
+
+ update_os_arch_secondary_cores(images->os.arch);
+
+#ifdef CONFIG_ARMV8_SWITCH_TO_EL1
+ armv8_switch_to_el2((u64)images->ft_addr, 0, 0, 0,
+ (u64)switch_to_el1, ES_TO_AARCH64);
+#else
+ if ((IH_ARCH_DEFAULT == IH_ARCH_ARM64) &&
+ (images->os.arch == IH_ARCH_ARM))
+ armv8_switch_to_el2(0, (u64)gd->bd->bi_arch_number,
+ (u64)images->ft_addr, 0,
+ (u64)images->ep,
+ ES_TO_AARCH32);
+ else
+ armv8_switch_to_el2((u64)images->ft_addr, 0, 0, 0,
+ images->ep,
+ ES_TO_AARCH64);
+#endif
}
#else
unsigned long machid = gd->bd->bi_arch_number;
int fake = (flag & BOOTM_STATE_OS_FAKE_GO);
kernel_entry = (void (*)(int, int, uint))images->ep;
-
- s = getenv("machid");
+#ifdef CONFIG_CPU_V7M
+ ulong addr = (ulong)kernel_entry | 1;
+ kernel_entry = (void *)addr;
+#endif
+ s = env_get("machid");
if (s) {
- strict_strtoul(s, 16, &machid);
+ if (strict_strtoul(s, 16, &machid) < 0) {
+ debug("strict_strtoul failed!\n");
+ return;
+ }
printf("Using machid 0x%lx from environment\n", machid);
}
r2 = gd->bd->bi_boot_params;
if (!fake) {
-#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT)
+#ifdef CONFIG_ARMV7_NONSEC
if (armv7_boot_nonsec()) {
armv7_init_nonsec();
secure_ram_addr(_do_nonsec_entry)(kernel_entry,
return 0;
}
-#ifdef CONFIG_CMD_BOOTZ
-
-struct zimage_header {
- uint32_t code[9];
- uint32_t zi_magic;
- uint32_t zi_start;
- uint32_t zi_end;
-};
-
-#define LINUX_ARM_ZIMAGE_MAGIC 0x016f2818
-
-int bootz_setup(ulong image, ulong *start, ulong *end)
-{
- struct zimage_header *zi;
-
- zi = (struct zimage_header *)map_sysmem(image, 0);
- if (zi->zi_magic != LINUX_ARM_ZIMAGE_MAGIC) {
- puts("Bad Linux ARM zImage magic!\n");
- return 1;
- }
-
- *start = zi->zi_start;
- *end = zi->zi_end;
-
- printf("Kernel image @ %#08lx [ %#08lx - %#08lx ]\n", image, *start,
- *end);
-
- return 0;
-}
-
-#endif /* CONFIG_CMD_BOOTZ */
-
#if defined(CONFIG_BOOTM_VXWORKS)
void boot_prep_vxworks(bootm_headers_t *images)
{
}
void boot_jump_vxworks(bootm_headers_t *images)
{
+#if defined(CONFIG_ARM64) && defined(CONFIG_ARMV8_PSCI)
+ armv8_setup_psci();
+ smp_kick_all_cpus();
+#endif
+
/* ARM VxWorks requires device tree physical address to be passed */
((void (*)(void *))images->ep)(images->ft_addr);
}
projects / platform / kernel / u-boot.git / blobdiff