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From: Ahmad Fatoum <ahmad@a3f.at>
To: barebox@lists.infradead.org
Cc: lst@pengutronix.de
Subject: [RFC PATCH 5/5] [WIP] ARM: at91: sama5d27-som1: add first stage entry point
Date: Mon,  6 Jan 2020 18:35:40 +0100	[thread overview]
Message-ID: <20200106173540.20367-6-ahmad@a3f.at> (raw)
In-Reply-To: <20200106173540.20367-1-ahmad@a3f.at>

This commit is only for testing purposes. It will be submitted later,
when SDRAM setup for the sama5d2 is implemented as well.

Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
---
 arch/arm/boards/sama5d27-som1/lowlevel.c | 16 ++++++++++++++++
 arch/arm/mach-at91/Kconfig               |  1 +
 images/Makefile.at91                     |  4 ++++
 3 files changed, 21 insertions(+)

diff --git a/arch/arm/boards/sama5d27-som1/lowlevel.c b/arch/arm/boards/sama5d27-som1/lowlevel.c
index 7df5a4772d0b..da3ca1ba40a8 100644
--- a/arch/arm/boards/sama5d27-som1/lowlevel.c
+++ b/arch/arm/boards/sama5d27-som1/lowlevel.c
@@ -12,6 +12,7 @@
 
 #include <mach/hardware.h>
 #include <mach/iomux.h>
+#include <mach/xload.h>
 #include <debug_ll.h>
 #include <mach/at91_dbgu.h>
 
@@ -79,3 +80,18 @@ ENTRY_FUNCTION(start_sama5d27_som1_ek, r0, r1, r2)
 	ek_turn_led(RGB_LED_GREEN);
 	barebox_arm_entry(SAMA5_DDRCS, SZ_128M, fdt);
 }
+
+ENTRY_FUNCTION(start_sama5d27_som1_ek_xload_mmc, r0, r1, r2)
+{
+	arm_cpu_lowlevel_init();
+
+	arm_setup_stack(SAMA5D2_SRAM_BASE + SAMA5D2_SRAM_SIZE - 16);
+
+	relocate_to_current_adr();
+	setup_c();
+
+	if (IS_ENABLED(CONFIG_DEBUG_LL))
+		ek_dbgu_init();
+
+	sama5d2_sdhci_start_image(1);
+}
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index a14aa59773fa..502151ad3c24 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -583,6 +583,7 @@ config MACH_SAMA5D27_SOM1
 	bool "Microchip SAMA5D27 SoM-1 Evaluation Kit"
 	select SOC_SAMA5D2
 	select OFDEVICE
+	select MCI_ATMEL_SDHCI_PBL
 	select COMMON_CLK_OF_PROVIDER
 	help
 	  Select this if you are using Microchip's sama5d27 SoM evaluation kit
diff --git a/images/Makefile.at91 b/images/Makefile.at91
index f321bdec3696..235893c7deb9 100644
--- a/images/Makefile.at91
+++ b/images/Makefile.at91
@@ -17,3 +17,7 @@ image-$(CONFIG_MACH_MICROCHIP_KSZ9477_EVB) += barebox-microchip-ksz9477-evb.img
 pblb-$(CONFIG_MACH_SAMA5D27_SOM1) += start_sama5d27_som1_ek
 FILE_barebox-sama5d27-som1-ek.img = start_sama5d27_som1_ek.pblb
 image-$(CONFIG_MACH_SAMA5D27_SOM1) += barebox-sama5d27-som1-ek.img
+
+pblb-$(CONFIG_MACH_SAMA5D27_SOM1) += start_sama5d27_som1_ek_xload_mmc
+FILE_barebox-sama5d27-som1-ek-xload-mmc.img = start_sama5d27_som1_ek_xload_mmc.pblb
+image-$(CONFIG_MACH_SAMA5D27_SOM1) += barebox-sama5d27-som1-ek-xload-mmc.img
-- 
2.20.1


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      parent reply	other threads:[~2020-01-06 17:36 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-06 17:35 [RFC PATCH 0/5] fs: fat: extend for in-PBL support Ahmad Fatoum
2020-01-06 17:35 ` [RFC PATCH 1/5] pbl: add block I/O API Ahmad Fatoum
2020-01-06 17:35 ` [RFC PATCH 2/5] fs: fat: extend for in-PBL support Ahmad Fatoum
2020-01-08 11:14   ` Sascha Hauer
2020-01-06 17:35 ` [RFC PATCH 3/5] mci: add first-stage at91-sdhci driver Ahmad Fatoum
2020-01-08 11:23   ` Sascha Hauer
2020-01-06 17:35 ` [RFC PATCH 4/5] ARM: at91: add helpers for MCI barebox chain-loading Ahmad Fatoum
2020-01-06 17:35 ` Ahmad Fatoum [this message]

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