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authorTom Warren <twarren@nvidia.com>2012-12-21 16:09:52 -0700
committerTom Warren <twarren@nvidia.com>2013-01-16 13:40:08 -0700
commitbb1e7cde624d44edf75c1b607fd6c60e038f98dd (patch)
treed705d9b9c44aabc415f78d575bf0e3e7fe77f556
parent083bbbbe771afce5e06793c6c831367b596cf03e (diff)
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Tegra30: I2C: Enable I2C driver on Cardhu
Tested all 5 'buses', i2c probe enumerates device addresses on all but dev 4 (I2C4) [no devices on that bus on my Cardhu]. Note that this uses the extant tegra_i2c.c driver w/o modification. Signed-off-by: Tom Warren <twarren@nvidia.com>
-rw-r--r--include/configs/cardhu.h54
-rw-r--r--include/configs/tegra30-common.h3
2 files changed, 57 insertions, 0 deletions
diff --git a/include/configs/cardhu.h b/include/configs/cardhu.h
new file mode 100644
index 0000000..aa725ba
--- /dev/null
+++ b/include/configs/cardhu.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include <asm/sizes.h>
+
+#include "tegra30-common.h"
+
+/* Enable fdt support for Cardhu. Flash the image in u-boot-dtb.bin */
+#define CONFIG_DEFAULT_DEVICE_TREE tegra30-cardhu
+#define CONFIG_OF_CONTROL
+#define CONFIG_OF_SEPARATE
+
+/* High-level configuration options */
+#define V_PROMPT "Tegra30 (Cardhu) # "
+#define CONFIG_TEGRA_BOARD_STRING "NVIDIA Cardhu"
+
+/* Board-specific serial config */
+#define CONFIG_SERIAL_MULTI
+#define CONFIG_TEGRA_ENABLE_UARTA
+#define CONFIG_SYS_NS16550_COM1 NV_PA_APB_UARTA_BASE
+
+#define CONFIG_MACH_TYPE MACH_TYPE_CARDHU
+
+#define CONFIG_BOARD_EARLY_INIT_F
+
+/* I2C */
+#define CONFIG_TEGRA_I2C
+#define CONFIG_SYS_I2C_INIT_BOARD
+#define CONFIG_I2C_MULTI_BUS
+#define CONFIG_SYS_MAX_I2C_BUS TEGRA_I2C_NUM_CONTROLLERS
+#define CONFIG_SYS_I2C_SPEED 100000
+#define CONFIG_CMD_I2C
+
+#define CONFIG_ENV_IS_NOWHERE
+
+#include "tegra-common-post.h"
+
+#endif /* __CONFIG_H */
diff --git a/include/configs/tegra30-common.h b/include/configs/tegra30-common.h
index 282caec..04517e1 100644
--- a/include/configs/tegra30-common.h
+++ b/include/configs/tegra30-common.h
@@ -83,4 +83,7 @@
#define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/tegra30/u-boot-spl.lds"
+/* Total I2C ports on Tegra30 */
+#define TEGRA_I2C_NUM_CONTROLLERS 5
+
#endif /* _TEGRA30_COMMON_H_ */