From a5825625e56d7af4630d7892b214fc38c75264e3 Mon Sep 17 00:00:00 2001
From: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Date: Thu, 6 Aug 2015 00:47:00 +0200
Subject: apalis/colibri_t20/t30: integrate recovery mode detection

Allow detecting whether or not U-Boot was launched through the
recovery mode of the resp. NVIDIA SoC.

Make use of a board specific arch_misc_init() and enable the same via
CONFIG_ARCH_MISC_INIT configuration option.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
---
 board/toradex/apalis_t30/apalis_t30.c   | 12 ++++++++++++
 board/toradex/colibri_t20/colibri_t20.c | 12 ++++++++++++
 board/toradex/colibri_t30/colibri_t30.c | 12 ++++++++++++
 3 files changed, 36 insertions(+)

(limited to 'board/toradex')

diff --git a/board/toradex/apalis_t30/apalis_t30.c b/board/toradex/apalis_t30/apalis_t30.c
index 6244214..b7a2219 100644
--- a/board/toradex/apalis_t30/apalis_t30.c
+++ b/board/toradex/apalis_t30/apalis_t30.c
@@ -9,7 +9,10 @@
 #include <dm.h>
 #include <asm/arch/gp_padctrl.h>
 #include <asm/arch/pinmux.h>
+#include <asm/arch-tegra/ap.h>
+#include <asm/arch-tegra/tegra.h>
 #include <asm/gpio.h>
+#include <asm/io.h>
 #include <i2c.h>
 #include <netdev.h>
 
@@ -18,6 +21,15 @@
 #define PMU_I2C_ADDRESS		0x2D
 #define MAX_I2C_RETRY		3
 
+int arch_misc_init(void)
+{
+	if (readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BOOTTYPE) ==
+	    NVBOOTTYPE_RECOVERY)
+		printf("USB recovery mode\n");
+
+	return 0;
+}
+
 /*
  * Routine: pinmux_init
  * Description: Do individual peripheral pinmux configs
diff --git a/board/toradex/colibri_t20/colibri_t20.c b/board/toradex/colibri_t20/colibri_t20.c
index 8ae9ccf..7210a8a 100644
--- a/board/toradex/colibri_t20/colibri_t20.c
+++ b/board/toradex/colibri_t20/colibri_t20.c
@@ -8,8 +8,20 @@
 #include <asm/arch/clock.h>
 #include <asm/arch/funcmux.h>
 #include <asm/arch/pinmux.h>
+#include <asm/arch-tegra/ap.h>
 #include <asm/arch-tegra/board.h>
+#include <asm/arch-tegra/tegra.h>
 #include <asm/gpio.h>
+#include <asm/io.h>
+
+int arch_misc_init(void)
+{
+	if (readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BOOTTYPE) ==
+	    NVBOOTTYPE_RECOVERY)
+		printf("USB recovery mode\n");
+
+	return 0;
+}
 
 #ifdef CONFIG_TEGRA_MMC
 /*
diff --git a/board/toradex/colibri_t30/colibri_t30.c b/board/toradex/colibri_t30/colibri_t30.c
index f4bc7d8..7ca79eb 100644
--- a/board/toradex/colibri_t30/colibri_t30.c
+++ b/board/toradex/colibri_t30/colibri_t30.c
@@ -8,10 +8,22 @@
 #include <common.h>
 #include <asm/arch/pinmux.h>
 #include <asm/arch/gp_padctrl.h>
+#include <asm/arch-tegra/ap.h>
+#include <asm/arch-tegra/tegra.h>
+#include <asm/io.h>
 #include "pinmux-config-colibri_t30.h"
 #include <i2c.h>
 #include <asm/gpio.h>
 
+int arch_misc_init(void)
+{
+	if (readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BOOTTYPE) ==
+	    NVBOOTTYPE_RECOVERY)
+		printf("USB recovery mode\n");
+
+	return 0;
+}
+
 /*
  * Routine: pinmux_init
  * Description: Do individual peripheral pinmux configs
-- 
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