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[097/108] x86: fsp: Update the FSP API with the end-firmware method

Message ID 20200126220508.97.Ie333ce385111e0f6aff34920acf69bd06f1d053a@changeid
State Accepted
Commit c90b302d5f824a494905324a0abf6e69b7dc49f0
Headers show
Series RFC: dm: Add programatic generation of ACPI tables | expand

Commit Message

Simon Glass Jan. 27, 2020, 5:06 a.m. UTC
This new method is intended to be called when UEFI shuts down the 'boot
services', i.e. any lingering code in the boot loader that might be used
by the OS.

Add a definition for this new method and update the comments a little.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 arch/x86/include/asm/fsp/fsp_api.h | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)
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Patch

diff --git a/arch/x86/include/asm/fsp/fsp_api.h b/arch/x86/include/asm/fsp/fsp_api.h
index e9ac86b2da..c39581c4e5 100644
--- a/arch/x86/include/asm/fsp/fsp_api.h
+++ b/arch/x86/include/asm/fsp/fsp_api.h
@@ -8,9 +8,18 @@ 
 
 enum fsp_phase {
 	/* Notification code for post PCI enuermation */
-	INIT_PHASE_PCI	= 0x20,
-	/* Notification code before transferring control to the payload */
-	INIT_PHASE_BOOT	= 0x40
+	INIT_PHASE_PCI		= 0x20,
+	/*
+	 * Notification code before transferring control to the payload.
+	 * This is issued at the end of init before starting main(), i.e.
+	 * the command line / boot script.
+	 */
+	INIT_PHASE_BOOT		= 0x40,
+	/*
+	 * Notification code before existing boot services. This is issued
+	 * just before removing devices and booting the kernel.
+	 */
+	INIT_PHASE_END_FIRMWARE	= 0xf0,
 };
 
 struct fsp_notify_params {