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efi: app: Add a sysreset driver

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This adds the DM sysreset driver for EFI application support.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2018-07-19 03:07:29 -07:00
parent fabb2b4c7f
commit c81a8f5455
1 changed files with 27 additions and 1 deletions
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28
lib/efi/efi_app.c
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@ -10,11 +10,13 @@
#include <common.h> #include <common.h>
#include <debug_uart.h> #include <debug_uart.h>
#include <dm.h>
#include <errno.h> #include <errno.h>
#include <linux/err.h> #include <linux/err.h>
#include <linux/types.h> #include <linux/types.h>
#include <efi.h> #include <efi.h>
#include <efi_api.h> #include <efi_api.h>
#include <sysreset.h>
DECLARE_GLOBAL_DATA_PTR; DECLARE_GLOBAL_DATA_PTR;
@ -129,7 +131,7 @@ efi_status_t EFIAPI efi_main(efi_handle_t image,
return EFI_SUCCESS; return EFI_SUCCESS;
} }
void reset_cpu(ulong addr) static void efi_exit(void)
{ {
struct efi_priv *priv = global_priv; struct efi_priv *priv = global_priv;
@ -137,3 +139,27 @@ void reset_cpu(ulong addr)
printf("U-Boot EFI exiting\n"); printf("U-Boot EFI exiting\n");
priv->boot->exit(priv->parent_image, EFI_SUCCESS, 0, NULL); priv->boot->exit(priv->parent_image, EFI_SUCCESS, 0, NULL);
} }
static int efi_sysreset_request(struct udevice *dev, enum sysreset_t type)
{
efi_exit();
return -EINPROGRESS;
}
static const struct udevice_id efi_sysreset_ids[] = {
{ .compatible = "efi,reset" },
{ }
};
static struct sysreset_ops efi_sysreset_ops = {
.request = efi_sysreset_request,
};
U_BOOT_DRIVER(efi_sysreset) = {
.name = "efi-sysreset",
.id = UCLASS_SYSRESET,
.of_match = efi_sysreset_ids,
.ops = &efi_sysreset_ops,
.flags = DM_FLAG_PRE_RELOC,
};