arm: tegra: move ram console to common codes

cleanup ram console related source codes and move most of the
implementation in board files to common.c since ram console is a common
debug mechanism.

bug 873307

Signed-off-by: Haley Teng <hteng@nvidia.com>
Reviewed-on: http://git-master/r/54598
Reviewed-on: http://git-master/r/66588
(cherry picked from commit 119ce36b7bed370a528dfebc80bd79698118248d)

Change-Id: I8b769b422305101a97f1fbc99db4af48dc7d4f25
Reviewed-on: http://git-master/r/71961
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
Reviewed-on: http://git-master/r/74552
Reviewed-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Tested-by: Rohan Somvanshi <rsomvanshi@nvidia.com>

1 files changed, 2 insertions, 27 deletions

diff --git a/arch/arm/mach-tegra/board-enterprise.c b/arch/arm/mach-tegra/board-enterprise.c
index b5bedac1ae66..a16372056a38 100644
--- a/arch/arm/mach-tegra/board-enterprise.c
+++ b/arch/arm/mach-tegra/board-enterprise.c
@@ -510,19 +510,6 @@ static struct platform_device enterprise_audio_device = {
 	},
 };
 
-static struct resource ram_console_resources[] = {
-	{
-		.flags = IORESOURCE_MEM,
-	},
-};
-
-static struct platform_device ram_console_device = {
-	.name 		= "ram_console",
-	.id 		= -1,
-	.num_resources	= ARRAY_SIZE(ram_console_resources),
-	.resource	= ram_console_resources,
-};
-
 static struct platform_device *enterprise_devices[] __initdata = {
 	&tegra_pmu_device,
 	&tegra_rtc_device,
@@ -544,7 +531,6 @@ static struct platform_device *enterprise_devices[] __initdata = {
 #if defined(CONFIG_CRYPTO_DEV_TEGRA_AES)
 	&tegra_aes_device,
 #endif
-	&ram_console_device,
 };
 
 #define MXT_CONFIG_CRC 0x62F903
@@ -945,6 +931,7 @@ static void __init tegra_enterprise_init(void)
 	enterprise_usb_init();
 	enterprise_tsensor_init();
 	platform_add_devices(enterprise_devices, ARRAY_SIZE(enterprise_devices));
+	tegra_ram_console_debug_init();
 	enterprise_regulator_init();
 	enterprise_sdhci_init();
 #ifdef CONFIG_TEGRA_EDP_LIMITS
@@ -970,19 +957,7 @@ static void __init tegra_enterprise_ramconsole_reserve(unsigned long size)
 	struct resource *res;
 	long ret;
 
-	res = platform_get_resource(&ram_console_device, IORESOURCE_MEM, 0);
-	if (!res) {
-		pr_err("Failed to find memory resource for ram console\n");
-		return;
-	}
-	res->start = memblock_end_of_DRAM() - size;
-	res->end = res->start + size - 1;
-	ret = memblock_remove(res->start, size);
-	if (ret) {
-		ram_console_device.resource = NULL;
-		ram_console_device.num_resources = 0;
-		pr_err("Failed to reserve memory block for ram console\n");
-	}
+	tegra_ram_console_debug_reserve(SZ_1M);
 }
 
 static void __init tegra_enterprise_reserve(void)