1 files changed, 270 insertions, 0 deletions
diff --git a/arch/arm/mach-vt8500/devices.c b/arch/arm/mach-vt8500/devices.c
new file mode 100644
index 000000000000..1fcdc36b358d
--- /dev/null
+++ b/arch/arm/mach-vt8500/devices.c
@@ -0,0 +1,270 @@
+/* linux/arch/arm/mach-vt8500/devices.c
+ *
+ * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/pwm_backlight.h>
+#include <linux/memblock.h>
+
+#include <asm/mach/arch.h>
+
+#include <mach/vt8500fb.h>
+#include <mach/i8042.h>
+#include "devices.h"
+
+/* These can't use resources currently */
+unsigned long wmt_ic_base __initdata;
+unsigned long wmt_sic_base __initdata;
+unsigned long wmt_gpio_base __initdata;
+unsigned long wmt_pmc_base __initdata;
+unsigned long wmt_i8042_base __initdata;
+
+int wmt_nr_irqs __initdata;
+int wmt_timer_irq __initdata;
+int wmt_gpio_ext_irq[8] __initdata;
+
+/* Should remain accessible after init.
+ * i8042 driver desperately calls for attention...
+ */
+int wmt_i8042_kbd_irq;
+int wmt_i8042_aux_irq;
+
+static u64 fb_dma_mask = DMA_BIT_MASK(32);
+
+struct platform_device vt8500_device_lcdc = {
+	.name           = "vt8500-lcd",
+	.id             = 0,
+	.dev		= {
+		.dma_mask	= &fb_dma_mask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+};
+
+struct platform_device vt8500_device_wm8505_fb = {
+	.name           = "wm8505-fb",
+	.id             = 0,
+};
+
+/* Smallest to largest */
+static struct vt8500fb_platform_data panels[] = {
+#ifdef CONFIG_WMT_PANEL_800X480
+{
+	.xres_virtual	= 800,
+	.yres_virtual	= 480 * 2,
+	.mode		= {
+		.name		= "800x480",
+		.xres		= 800,
+		.yres		= 480,
+		.left_margin	= 88,
+		.right_margin	= 40,
+		.upper_margin	= 32,
+		.lower_margin	= 11,
+		.hsync_len	= 0,
+		.vsync_len	= 1,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+},
+#endif
+#ifdef CONFIG_WMT_PANEL_800X600
+{
+	.xres_virtual	= 800,
+	.yres_virtual	= 600 * 2,
+	.mode		= {
+		.name		= "800x600",
+		.xres		= 800,
+		.yres		= 600,
+		.left_margin	= 88,
+		.right_margin	= 40,
+		.upper_margin	= 32,
+		.lower_margin	= 11,
+		.hsync_len	= 0,
+		.vsync_len	= 1,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+},
+#endif
+#ifdef CONFIG_WMT_PANEL_1024X576
+{
+	.xres_virtual	= 1024,
+	.yres_virtual	= 576 * 2,
+	.mode		= {
+		.name		= "1024x576",
+		.xres		= 1024,
+		.yres		= 576,
+		.left_margin	= 40,
+		.right_margin	= 24,
+		.upper_margin	= 32,
+		.lower_margin	= 11,
+		.hsync_len	= 96,
+		.vsync_len	= 2,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+},
+#endif
+#ifdef CONFIG_WMT_PANEL_1024X600
+{
+	.xres_virtual	= 1024,
+	.yres_virtual	= 600 * 2,
+	.mode		= {
+		.name		= "1024x600",
+		.xres		= 1024,
+		.yres		= 600,
+		.left_margin	= 66,
+		.right_margin	= 2,
+		.upper_margin	= 19,
+		.lower_margin	= 1,
+		.hsync_len	= 23,
+		.vsync_len	= 8,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+},
+#endif
+};
+
+static int current_panel_idx __initdata = ARRAY_SIZE(panels) - 1;
+
+static int __init panel_setup(char *str)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(panels); i++) {
+		if (strcmp(panels[i].mode.name, str) == 0) {
+			current_panel_idx = i;
+			break;
+		}
+	}
+	return 0;
+}
+
+early_param("panel", panel_setup);
+
+static inline void preallocate_fb(struct vt8500fb_platform_data *p,
+				  unsigned long align) {
+	p->video_mem_len = (p->xres_virtual * p->yres_virtual * 4) >>
+			(p->bpp > 16 ? 0 : (p->bpp > 8 ? 1 :
+					(8 / p->bpp) + 1));
+	p->video_mem_phys = (unsigned long)memblock_alloc(p->video_mem_len,
+							  align);
+	p->video_mem_virt = phys_to_virt(p->video_mem_phys);
+}
+
+struct platform_device vt8500_device_uart0 = {
+	.name		= "vt8500_serial",
+	.id		= 0,
+};
+
+struct platform_device vt8500_device_uart1 = {
+	.name		= "vt8500_serial",
+	.id		= 1,
+};
+
+struct platform_device vt8500_device_uart2 = {
+	.name		= "vt8500_serial",
+	.id		= 2,
+};
+
+struct platform_device vt8500_device_uart3 = {
+	.name		= "vt8500_serial",
+	.id		= 3,
+};
+
+struct platform_device vt8500_device_uart4 = {
+	.name		= "vt8500_serial",
+	.id		= 4,
+};
+
+struct platform_device vt8500_device_uart5 = {
+	.name		= "vt8500_serial",
+	.id		= 5,
+};
+
+static u64 ehci_dma_mask = DMA_BIT_MASK(32);
+
+struct platform_device vt8500_device_ehci = {
+	.name		= "vt8500-ehci",
+	.id		= 0,
+	.dev		= {
+		.dma_mask	= &ehci_dma_mask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+};
+
+struct platform_device vt8500_device_ge_rops = {
+	.name		= "wmt_ge_rops",
+	.id		= -1,
+};
+
+struct platform_device vt8500_device_pwm = {
+	.name		= "vt8500-pwm",
+	.id		= 0,
+};
+
+static struct platform_pwm_backlight_data vt8500_pwmbl_data = {
+	.pwm_id		= 0,
+	.max_brightness	= 128,
+	.dft_brightness = 70,
+	.pwm_period_ns	= 250000, /* revisit when clocks are implemented */
+};
+
+struct platform_device vt8500_device_pwmbl = {
+	.name		= "pwm-backlight",
+	.id		= 0,
+	.dev		= {
+		.platform_data = &vt8500_pwmbl_data,
+	},
+};
+
+struct platform_device vt8500_device_rtc = {
+	.name		= "vt8500-rtc",
+	.id		= 0,
+};
+
+struct map_desc wmt_io_desc[] __initdata = {
+	/* SoC MMIO registers */
+	[0] = {
+		.virtual	= 0xf8000000,
+		.pfn		= __phys_to_pfn(0xd8000000),
+		.length		= 0x00390000, /* max of all chip variants */
+		.type		= MT_DEVICE
+	},
+	/* PCI I/O space, numbers tied to those in <mach/io.h> */
+	[1] = {
+		.virtual	= 0xf0000000,
+		.pfn		= __phys_to_pfn(0xc0000000),
+		.length		= SZ_64K,
+		.type		= MT_DEVICE
+	},
+};
+
+void __init vt8500_reserve_mem(void)
+{
+#ifdef CONFIG_FB_VT8500
+	panels[current_panel_idx].bpp = 16; /* Always use RGB565 */
+	preallocate_fb(&panels[current_panel_idx], SZ_4M);
+	vt8500_device_lcdc.dev.platform_data = &panels[current_panel_idx];
+#endif
+}
+
+void __init wm8505_reserve_mem(void)
+{
+#if defined CONFIG_FB_WM8505
+	panels[current_panel_idx].bpp = 32; /* Always use RGB888 */
+	preallocate_fb(&panels[current_panel_idx], 32);
+	vt8500_device_wm8505_fb.dev.platform_data = &panels[current_panel_idx];
+#endif
+}