diff options
| author | Will Wu <willw@nvidia.com> | 2013-11-27 10:57:32 +0800 |
|---|---|---|
| committer | Laxman Dewangan <ldewangan@nvidia.com> | 2013-11-29 01:35:22 -0800 |
| commit | 7b568e4e8e82723b6fdfbf161921bc1d7ed54df9 (patch) | |
| tree | e22d639f9502c3df771cf9bdc3c4065cec7249b2 /arch/arm/mach-tegra/board-loki.c | |
| parent | 50f957e923ae7795ec943ee25676783f2c40c7ed (diff) | |
arm: tegra12: Loki: Add C2 debug port support
Enable C2 port for Loki platform for debugging microcontroller
in Joystick in case of mcu failure.
Bug 1375728
Change-Id: I90ffee220cc2ffa2af6833fd1100ddab1d4077e7
Signed-off-by: Will Wu <willw@nvidia.com>
Reviewed-on: http://git-master/r/335984
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Tested-by: Laxman Dewangan <ldewangan@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/board-loki.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-loki.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-loki.c b/arch/arm/mach-tegra/board-loki.c index c63776349577..9ec7f77cc3aa 100644 --- a/arch/arm/mach-tegra/board-loki.c +++ b/arch/arm/mach-tegra/board-loki.c @@ -32,6 +32,7 @@ #include <linux/gpio.h> #include <linux/input.h> #include <linux/platform_data/tegra_usb.h> +#include <linux/platform_data/tegra_c2port_platform_data.h> #include <linux/spi/spi.h> #include <linux/spi/rm31080a_ts.h> #include <linux/memblock.h> @@ -763,6 +764,25 @@ static void __init tegra_loki_early_init(void) tegra_soc_device_init("loki"); } +#ifdef CONFIG_C2PORT_LOKI +/* Init mcu debugger for Loki */ +static struct tegra_c2port_platform_data mcu_init_data = { + .gpio_c2ck = TEGRA_GPIO_PK0, + .gpio_c2d = TEGRA_GPIO_PS0 +}; +static struct platform_device tegra_loki_mcu_debugger = { + .name = "tegra_c2port", + .id = 0, + .dev = { + .platform_data = &mcu_init_data, + } +}; +static void __init tegra_loki_mcu_debugger_init(void) +{ + platform_device_register(&tegra_loki_mcu_debugger); +} +#endif + static void __init tegra_loki_late_init(void) { struct board_info board_info; @@ -804,6 +824,9 @@ static void __init tegra_loki_late_init(void) loki_setup_bluedroid_pm(); tegra_register_fuse(); tegra_serial_debug_init(TEGRA_UARTD_BASE, INT_WDT_CPU, NULL, -1, -1); +#ifdef CONFIG_C2PORT_LOKI + tegra_loki_mcu_debugger_init(); +#endif } static void __init loki_ramconsole_reserve(unsigned long size) |