ppc4xx: icon: add support for SM502 chip

Adds initialization code for SM502 graphics controller
and NL6448BC20-21D LCD panel.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Stefan Roese <sr@denx.de>

board/mosaixtech/icon/icon.c

@@ -317,3 +317,72 @@ int board_pcie_last(void)
 	/* Only 2 PCIe ports used on ICON, so the last one is 1 */
 	return 1;
 }
+
+/*
+ * Video
+ */
+#ifdef CONFIG_VIDEO_SM501
+#include <sm501.h>
+
+#define DISPLAY_WIDTH   640
+#define DISPLAY_HEIGHT  480
+
+static const SMI_REGS sm502_init_regs[] = {
+	{0x00004, 0x0},
+	{0x00040, 0x00021847},
+	{0x00044, 0x091a0a01}, /* 24 MHz pixclk */
+	{0x00054, 0x0},
+	{0x00048, 0x00021847},
+	{0x0004C, 0x091a0a01},
+	{0x00054, 0x1},
+	{0x80004, 0xc428bb17},
+	{0x8000C, 0x00000000},
+	{0x80010, 0x0a000a00},
+	{0x80014, 0x02800000},
+	{0x80018, 0x01e00000},
+	{0x8001C, 0x00000000},
+	{0x80020, 0x01e00280},
+	{0x80024, 0x02fa027f},
+	{0x80028, 0x004a0280},
+	{0x8002C, 0x020c01df},
+	{0x80030, 0x000201e7},
+	{0x80200, 0x00010000},
+	{0x00008, 0x20000000}, /* gpio29 is pwm0, LED_PWM */
+	{0x0000C, 0x3f000000}, /* gpio56 - gpio61 as flat panel data pins */
+	{0x10020, 0x25725728}, /* 20 kHz pwm0, 50 % duty cycle, disabled */
+	{0x80000, 0x0f010106}, /* vsync & hsync pos, disp on */
+	{0, 0}
+};
+
+/*
+ * Return a pointer to the register initialization table.
+ */
+const SMI_REGS *board_get_regs(void)
+{
+	return sm502_init_regs;
+}
+
+int board_get_width(void)
+{
+	return DISPLAY_WIDTH;
+}
+
+int board_get_height(void)
+{
+	return DISPLAY_HEIGHT;
+}
+
+#ifdef CONFIG_CONSOLE_EXTRA_INFO
+/*
+ * Return text to be printed besides the logo.
+ */
+void video_get_info_str(int line_number, char *info)
+{
+	if (line_number == 1)
+		strcpy(info, " Board: ICON");
+	else
+		info[0] = '\0';
+}
+#endif
+
+#endif /* CONFIG_VIDEO_SM501 */

include/configs/icon.h

@@ -143,6 +143,26 @@
 #define CONFIG_SYS_M41T11_BASE_YEAR 1900 /* play along with linux	*/
 
 /*
+ * Video options
+ */
+#define CONFIG_VIDEO
+
+#ifdef CONFIG_VIDEO
+#define CONFIG_VIDEO_SM501
+#define CONFIG_VIDEO_SM501_32BPP
+#define CONFIG_VIDEO_SM501_PCI
+#define VIDEO_FB_LITTLE_ENDIAN
+#define CONFIG_CFB_CONSOLE
+#define CONFIG_VIDEO_LOGO
+#define CONFIG_CONSOLE_EXTRA_INFO
+#define CONFIG_VGA_AS_SINGLE_DEVICE
+#define CONFIG_VIDEO_SW_CURSOR
+#define CONFIG_VIDEO_BMP_RLE8
+#define CONFIG_SPLASH_SCREEN
+#define CFG_CONSOLE_IS_IN_ENV
+#endif
+
+/*
  * Environment
  */
 #define	CONFIG_ENV_IS_IN_FLASH	1	/* Environment uses flash	*/
@@ -171,6 +191,9 @@
 #define CONFIG_CMD_PCI
 #define CONFIG_CMD_SDRAM
 #define CONFIG_CMD_SNTP
+#ifdef CONFIG_VIDEO
+#define CONFIG_CMD_BMP
+#endif
 
 #define	CONFIG_IBM_EMAC4_V4		/* 440SPe has this EMAC version	*/
 #define CONFIG_PHY_ADDR		1	/* PHY address, See schematics	*/