[U-Boot] [PATCH 14/14] tegra: Enable LP0 on Seaboard

Simon Glass sjg at chromium.org
Mon Dec 26 20:33:07 CET 2011


This enables LP0 to support suspend / resume on Seaboard.

Signed-off-by: Simon Glass <sjg at chromium.org>
---
 include/configs/seaboard.h      |    7 +++++++
 include/configs/tegra2-common.h |   17 +++++++++++++++++
 2 files changed, 24 insertions(+), 0 deletions(-)

diff --git a/include/configs/seaboard.h b/include/configs/seaboard.h
index 6e04278..97faa57 100644
--- a/include/configs/seaboard.h
+++ b/include/configs/seaboard.h
@@ -25,6 +25,13 @@
 #define __CONFIG_H
 
 #include <asm/sizes.h>
+
+/* LP0 suspend / resume */
+#define CONFIG_TEGRA2_LP0
+#define CONFIG_AES
+#define CONFIG_TEGRA_PMU
+#define CONFIG_TEGRA_CLOCK_SCALING
+
 #include "tegra2-common.h"
 
 /* Enable fdt support for Seaboard. Flash the image in u-boot-dtb.bin */
diff --git a/include/configs/tegra2-common.h b/include/configs/tegra2-common.h
index 6549d00..6c38f51 100644
--- a/include/configs/tegra2-common.h
+++ b/include/configs/tegra2-common.h
@@ -26,6 +26,14 @@
 #include <asm/sizes.h>
 
 /*
+ * QUOTE(m) will evaluate to a string version of the value of the macro m
+ * passed in.  The extra level of indirection here is to first evaluate the
+ * macro m before applying the quoting operator.
+ */
+#define QUOTE_(m)       #m
+#define QUOTE(m)        QUOTE_(m)
+
+/*
  * High Level Configuration Options
  */
 #define CONFIG_ARMCORTEXA9		/* This is an ARM V7 CPU core */
@@ -50,6 +58,15 @@
 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
 #define CONFIG_OF_LIBFDT		/* enable passing of devicetree */
 
+#ifdef CONFIG_TEGRA2_LP0
+#define TEGRA_LP0_ADDR			0x1C406000
+#define TEGRA_LP0_SIZE			0x2000
+#define TEGRA_LP0_VEC \
+	"lp0_vec=" QUOTE(TEGRA_LP0_SIZE) "@" QUOTE(TEGRA_LP0_ADDR) " "
+#else
+#define TEGRA_LP0_VEC
+#endif
+
 /* Environment */
 #define CONFIG_ENV_SIZE			0x2000	/* Total Size Environment */
 
-- 
1.7.3.1



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