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From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 25/34] ARM start: pickup parameters from pbl
Date: Sun, 27 Jan 2013 11:46:54 +0100	[thread overview]
Message-ID: <1359283623-1782-26-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1359283623-1782-1-git-send-email-s.hauer@pengutronix.de>

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/cpu/start.c               |   44 +++++++++++++++++++-----------------
 arch/arm/include/asm/barebox-arm.h |    1 -
 2 files changed, 23 insertions(+), 22 deletions(-)

diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c
index b59c489..64de5da 100644
--- a/arch/arm/cpu/start.c
+++ b/arch/arm/cpu/start.c
@@ -26,32 +26,21 @@
 #include <asm/cache.h>
 #include <memory.h>
 
-/*
- * First function in the uncompressed image. We get here from
- * the pbl.
- */
-void __naked __section(.text_entry) start(void)
+static noinline __noreturn void __start(uint32_t membase, uint32_t memsize,
+		uint32_t boarddata)
 {
-#ifdef CONFIG_PBL_IMAGE
-	board_init_lowlevel_return();
-#else
-	barebox_arm_head();
-#endif
-}
-
-/*
- * Board code can jump here by either returning from board_init_lowlevel
- * or by calling this function directly.
- */
-void __naked __noreturn board_init_lowlevel_return(void)
-{
-	arm_setup_stack(STACK_BASE + STACK_SIZE - 16);
-
 	setup_c();
 
 	start_barebox();
 }
 
+#ifndef CONFIG_PBL_IMAGE
+
+void __naked __section(.text_entry) start(void)
+{
+	barebox_arm_head();
+}
+
 /*
  * Main ARM entry point in the uncompressed image. Call this with the memory
  * region you can spare for barebox. This doesn't necessarily have to be the
@@ -74,5 +63,18 @@ void __naked __noreturn board_init_lowlevel_return(void)
 void __naked __noreturn barebox_arm_entry(uint32_t membase, uint32_t memsize,
                 uint32_t boarddata)
 {
-	board_init_lowlevel_return();
+	arm_setup_stack(STACK_BASE + STACK_SIZE - 16);
+
+	__start(membase, memsize, boarddata);
 }
+#else
+/*
+ * First function in the uncompressed image. We get here from
+ * the pbl. The stack already has been set up by the pbl.
+ */
+void __naked __section(.text_entry) start(uint32_t membase, uint32_t memsize,
+                uint32_t boarddata)
+{
+	__start(membase, memsize, boarddata);
+}
+#endif
diff --git a/arch/arm/include/asm/barebox-arm.h b/arch/arm/include/asm/barebox-arm.h
index 0574f34..42b7a3f 100644
--- a/arch/arm/include/asm/barebox-arm.h
+++ b/arch/arm/include/asm/barebox-arm.h
@@ -35,7 +35,6 @@ int	dram_init (void);
 extern char __exceptions_start[], __exceptions_stop[];
 
 void board_init_lowlevel(void);
-void __noreturn board_init_lowlevel_return(void);
 uint32_t get_runtime_offset(void);
 
 void setup_c(void);
-- 
1.7.10.4


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  parent reply	other threads:[~2013-01-27 10:47 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-27 10:46 [PATCH] Add new ARM entry point for barebox Sascha Hauer
2013-01-27 10:46 ` [PATCH 01/34] ARM: Add new " Sascha Hauer
2013-01-27 10:46 ` [PATCH 02/34] ARM: add __noreturn to board_init_lowlevel_return Sascha Hauer
2013-01-27 10:46 ` [PATCH 03/34] ARM i.MX: Use SRAM stack in lowlevel code Sascha Hauer
2013-01-27 10:46 ` [PATCH 04/34] ARM i.MX: Add i.MX specific entry point for barebox Sascha Hauer
2013-01-27 10:46 ` [PATCH 05/34] ARM i.MX: prepare external nand boot for SoC specific entry Sascha Hauer
2013-01-27 10:46 ` [PATCH 06/34] ARM i.MX boards: switch to barebox_arm_entry Sascha Hauer
2013-01-27 10:46 ` [PATCH 07/34] ARM MXS " Sascha Hauer
2013-01-27 10:46 ` [PATCH 08/34] ARM OMAP " Sascha Hauer
2013-01-27 10:46 ` [PATCH 09/34] ARM Samsung " Sascha Hauer
2013-01-27 10:46 ` [PATCH 10/34] ARM PXA " Sascha Hauer
2013-01-27 10:46 ` [PATCH 11/34] ARM ep93xx " Sascha Hauer
2013-01-27 10:46 ` [PATCH 12/34] ARM tegra " Sascha Hauer
2013-01-27 10:46 ` [PATCH 13/34] ARM nomadik " Sascha Hauer
2013-01-27 10:46 ` [PATCH 14/34] ARM versatile " Sascha Hauer
2013-01-27 10:46 ` [PATCH 15/34] ARM netx " Sascha Hauer
2013-01-27 10:46 ` [PATCH 16/34] ARM clep7212: " Sascha Hauer
2013-01-27 16:32   ` Alexander Shiyan
2013-01-28  7:41     ` Sascha Hauer
2013-01-27 10:46 ` [PATCH 17/34] ARM raspberrypi: " Sascha Hauer
2013-01-27 10:46 ` [PATCH 18/34] ARM AT91 mmccpu: Fix non existing define Sascha Hauer
2013-01-27 10:46 ` [PATCH 19/34] ARM AT91: switch to barebox_arm_entry part1 Sascha Hauer
2013-01-27 10:51   ` Jean-Christophe PLAGNIOL-VILLARD
2013-01-27 11:09     ` Sascha Hauer
2013-01-27 10:46 ` [PATCH 20/34] ARM AT91: switch at91rm9200 board to barebox_arm_entry Sascha Hauer
2013-01-27 10:46 ` [PATCH 21/34] ARM AT91: switch remaining boards " Sascha Hauer
2013-01-27 16:24   ` Jean-Christophe PLAGNIOL-VILLARD
2013-01-27 10:46 ` [PATCH 22/34] ARM: remove now unused MACH_[HAS|DO]_LOWLEVEL_INIT Sascha Hauer
2013-01-27 10:46 ` [PATCH 23/34] ARM start-pbl: make board_init_lowlevel_return static Sascha Hauer
2013-01-27 10:46 ` [PATCH 24/34] ARM start-pbl: call uncompressed binary with arguments Sascha Hauer
2013-01-27 10:46 ` Sascha Hauer [this message]
2013-01-27 10:46 ` [PATCH 26/34] ARM: Setup stack at end of SDRAM Sascha Hauer
2013-01-27 10:46 ` [PATCH 27/34] ARM pbl: Use dynamic parameters for early malloc space Sascha Hauer
2013-01-27 10:46 ` [PATCH 28/34] ARM mmu: pickup already enabled mmu Sascha Hauer
2013-01-27 10:46 ` [PATCH 29/34] ARM: Factor out early mmu code Sascha Hauer
2013-01-27 14:54   ` Alexander Aring
2013-01-28  7:35     ` Sascha Hauer
2013-01-27 10:46 ` [PATCH 30/34] ARM: Enable mmu early Sascha Hauer
2013-01-27 10:47 ` [PATCH 31/34] ARM: Automatically determine malloc size Sascha Hauer
2013-01-27 10:47 ` [PATCH 32/34] generic memory layout: fix deps for [MALLOC|STACK]_BASE Sascha Hauer
2013-01-27 10:47 ` [PATCH 33/34] ARM: disable HAVE_CONFIGURABLE_MEMORY_LAYOUT Sascha Hauer
2013-01-27 10:47 ` [PATCH 34/34] ARM pbl: inline decompress function Sascha Hauer
2013-02-01  7:59 [PATCH v2] Add new ARM entry point for barebox Sascha Hauer
2013-02-01  7:59 ` [PATCH 25/34] ARM start: pickup parameters from pbl Sascha Hauer

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