ARM: tegra: e1853: Add board support for e1853

E1853 is T30 based Automotive platform.

Changes done:
1. New board specific files added
2. Added new machine number for E1853
3. Added pinmux configuration for E1853

Bug 966833
Bug 1018258

Signed-off-by: Ashwin Joshi <asjoshi@nvidia.com>

Change-Id: Ibf1093f59e10a0a5cfa42a177c21c0db01983196
Reviewed-on: http://git-master/r/118000
Tested-by: Ashwin Joshi <asjoshi@nvidia.com>
Reviewed-by: Sandeep Trasi <strasi@nvidia.com>
(cherry picked from commit ad9dd1b3242f23c0f46eaf92ab49f495c06f330f)
Reviewed-on: http://git-master/r/119580
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>

1 files changed, 146 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/board-e1853-panel.c b/arch/arm/mach-tegra/board-e1853-panel.c
new file mode 100644
index 000000000000..1e6c7ab60907
--- /dev/null
+++ b/arch/arm/mach-tegra/board-e1853-panel.c
@@ -0,0 +1,146 @@
+/*
+ * arch/arm/mach-tegra/board-e1853-panel.c
+ *
+ * Copyright (c) 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/>.
+ *
+ */
+
+#include <linux/resource.h>
+#include <asm/mach-types.h>
+#include <linux/platform_device.h>
+#include <linux/nvhost.h>
+#include <linux/nvmap.h>
+#include <mach/irqs.h>
+#include <mach/iomap.h>
+#include <mach/dc.h>
+#include <mach/fb.h>
+
+#include "board.h"
+#include "devices.h"
+#include "tegra3_host1x_devices.h"
+
+static int e1853_panel_enable(void)
+{
+	return 0;
+}
+
+static int e1853_panel_disable(void)
+{
+	return 0;
+}
+
+static struct tegra_dc_mode e1853_panel_modes[] = {
+	{
+		/* 800x480@60 */
+		.pclk = 32460000,
+		.h_ref_to_sync = 1,
+		.v_ref_to_sync = 1,
+		.h_sync_width = 64,
+		.v_sync_width = 3,
+		.h_back_porch = 128,
+		.v_back_porch = 22,
+		.h_front_porch = 64,
+		.v_front_porch = 20,
+		.h_active = 800,
+		.v_active = 480,
+	},
+};
+
+static struct tegra_fb_data e1853_fb_data = {
+	.win		= 0,
+	.xres		= 800,
+	.yres		= 480,
+	.bits_per_pixel	= 32,
+};
+
+static struct tegra_dc_out e1853_disp1_out = {
+	.align		= TEGRA_DC_ALIGN_MSB,
+	.order		= TEGRA_DC_ORDER_RED_BLUE,
+	.type		= TEGRA_DC_OUT_RGB,
+	.modes		= e1853_panel_modes,
+	.n_modes	= ARRAY_SIZE(e1853_panel_modes),
+	.enable		= e1853_panel_enable,
+	.disable	= e1853_panel_disable,
+};
+
+static struct tegra_dc_platform_data e1853_disp1_pdata = {
+	.flags		= TEGRA_DC_FLAG_ENABLED,
+	.default_out	= &e1853_disp1_out,
+	.emc_clk_rate	= 300000000,
+	.fb		= &e1853_fb_data,
+};
+
+static struct nvmap_platform_carveout e1853_carveouts[] = {
+	[0] = {
+		.name		= "iram",
+		.usage_mask	= NVMAP_HEAP_CARVEOUT_IRAM,
+		.base		= TEGRA_IRAM_BASE + TEGRA_RESET_HANDLER_SIZE,
+		.size		= TEGRA_IRAM_SIZE - TEGRA_RESET_HANDLER_SIZE,
+		.buddy_size	= 0, /* no buddy allocation for IRAM */
+	},
+	[1] = {
+		.name		= "generic-0",
+		.usage_mask	= NVMAP_HEAP_CARVEOUT_GENERIC,
+		.base		= 0,	/* Filled in by e1853_panel_init() */
+		.size		= 0,	/* Filled in by e1853_panel_init() */
+		.buddy_size	= SZ_32K,
+	},
+};
+
+static struct nvmap_platform_data e1853_nvmap_data = {
+	.carveouts	= e1853_carveouts,
+	.nr_carveouts	= ARRAY_SIZE(e1853_carveouts),
+};
+
+static struct platform_device *e1853_gfx_devices[] __initdata = {
+	&tegra_nvmap_device,
+};
+
+int __init e1853_panel_init(void)
+{
+	int err;
+	struct resource *res;
+
+	e1853_carveouts[1].base = tegra_carveout_start;
+	e1853_carveouts[1].size = tegra_carveout_size;
+	tegra_nvmap_device.dev.platform_data = &e1853_nvmap_data;
+	tegra_disp1_device.dev.platform_data = &e1853_disp1_pdata;
+
+	res = nvhost_get_resource_byname(&tegra_disp1_device,
+					 IORESOURCE_MEM, "fbmem");
+	if (!res) {
+		pr_err("No memory resources\n");
+		return -ENODEV;
+	}
+	res->start = tegra_fb_start;
+	res->end = tegra_fb_start + tegra_fb_size - 1;
+
+#ifdef CONFIG_TEGRA_GRHOST
+	err = tegra3_register_host1x_devices();
+	if (err)
+		return err;
+#endif
+
+	err = platform_add_devices(e1853_gfx_devices,
+				ARRAY_SIZE(e1853_gfx_devices));
+	if (!err)
+		err = nvhost_device_register(&tegra_disp1_device);
+
+#if defined(CONFIG_TEGRA_GRHOST) && defined(CONFIG_TEGRA_NVAVP)
+	if (!err)
+		err = nvhost_device_register(&nvavp_device);
+#endif
+	return err;
+}