display and keypad support for nhk8815

index faef810..eadce40 100644
@@ -60,22 +60,26 @@ int board_init(void)
 	writel(0x02100551, NOMADIK_FSMC_BASE + 0x04); /* FSMC_BTR0 */
 
 	icache_enable();
-	return 0;
-}
 
-int board_late_init(void)
-{
+	/*
+	 * Configure I2C pins, as we will use I2C in a later commit
+	 */
+
 	/* Set the two I2C gpio lines to be gpio high */
 	nmk_gpio_set(__SCL, 1);	nmk_gpio_set(__SDA, 1);
 	nmk_gpio_dir(__SCL, 1);	nmk_gpio_dir(__SDA, 1);
 	nmk_gpio_af(__SCL, GPIO_GPIO); nmk_gpio_af(__SDA, GPIO_GPIO);
 
-	/* Reset the I2C port expander, on GPIO77 */
-	nmk_gpio_af(77, GPIO_GPIO);
-	nmk_gpio_dir(77, 1);
-	nmk_gpio_set(77, 0);
-	udelay(10);
-	nmk_gpio_set(77, 1);
+	/* Put the two I2C port expanders out of reset, on GPIO77 and 79 */
+	{
+		int n[2]={77, 79};
+		int i;
+		for (i = 0; i < ARRAY_SIZE(n); i++) {
+			nmk_gpio_af(n[i], GPIO_GPIO);
+			nmk_gpio_dir(n[i], 1);
+			nmk_gpio_set(n[i], 1);
+		}
+	}
 
 	return 0;
 }

@@ -101,3 +105,10 @@ int board_eth_init(bd_t *bis)
 	return rc;
 }
 #endif
+
+/* Initialization callback, from lib_arm/board.c */
+int board_late_init(void)
+{
+	return 0;
+}
+

79 lines not on this page · raw message

77 lines not on this page · raw message

index d9405fd..ea65b2d 100644
@@ -4,6 +4,7 @@
 #define __NOMADIK_H__
 
 /* Base addresses of our peripherals */
+#define NOMADIK_CLCDC_BASE	0x10120000	/* CLCD Controller */
 #define NOMADIK_SRC_BASE	0x101E0000	/* System and Reset Cnt */
 #define NOMADIK_PMU_BASE	0x101E9000	/* Power Management Unit */
 #define NOMADIK_MPMC_BASE	0x10110000	/* SDRAM Controller */

191 lines not on this page · raw message

66 lines not on this page · raw message

index a00c2fb..e1be45b 100644
@@ -110,7 +110,7 @@
 #define CONFIG_PL01x_PORTS	{ (void *)CFG_SERIAL0, (void *)CFG_SERIAL1 }
 #define CONFIG_PL011_CLOCK	48000000
 
-/* i2c, for the port extenders (uses gpio.c in board directory) */
+/* i2c, for the stmpe2401 port extenders (uses gpio.c in board directory) */
 #ifndef __ASSEMBLY__
 #include <asm/arch/gpio.h>
 #define CONFIG_CMD_I2C

@@ -126,6 +126,11 @@
 #define I2C_DELAY     (udelay(2))
 #endif /* __ASSEMBLY__ */
 
+/* Activate port extenders and define their i2c address */
+#define CONFIG_STMPE2401
+#define STMPE0  0x43
+#define STMPE1  0x44
+
 /* Ethernet */
 #define PCI_MEMORY_VADDR	0xe8000000
 #define PCI_IO_VADDR		0xee000000

index 4e31618..3d9bfdf 100644
@@ -63,7 +63,7 @@
 /************************************************************************/
 #ifdef CONFIG_LCD_LOGO
 # include <bmp_logo.h>		/* Get logo data, width and height	*/
-# if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET)
+# if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16)
 #  error Default Color Map overlaps with Logo Color Map
 # endif
 #endif

@@ -218,8 +218,12 @@ static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
 
 	for (row=0;  row < VIDEO_FONT_HEIGHT;  ++row, dest += lcd_line_length)  {
 		uchar *s = str;
-		uchar *d = dest;
 		int i;
+#if LCD_BPP == LCD_COLOR16
+		ushort *d = (ushort *)dest;
+#else
+		uchar *d = dest;
+#endif
 
 #if LCD_BPP == LCD_MONOCHROME
 		uchar rest = *d & -(1 << (8-off));

@@ -244,9 +248,8 @@ static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
 				bits <<= 1;
 			}
 #elif LCD_BPP == LCD_COLOR16
-			for (c=0; c<16; ++c) {
-				*d++ = (bits & 0x80) ?
-						lcd_color_fg : lcd_color_bg;
+			for (c=0; c<8; ++c) {
+				*d++ = (bits & 0x80) ? 0xffff : 0;
 				bits <<= 1;
 			}
 #endif

@@ -529,6 +532,13 @@ void bitmap_plot (int x, int y)
 		cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]);
 #elif defined(CONFIG_ATMEL_LCD)
 		cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0));
+#else
+		/*
+		 * default case: generic system with no cmap (most likely 16bpp)
+		 * We set cmap to the source palette, so no change is done.
+		 * This avoids even more ifdef in the next stanza
+		 */
+		cmap = bmp_logo_palette;
 #endif
 
 		WATCHDOG_RESET();

@@ -567,10 +577,15 @@ void bitmap_plot (int x, int y)
 		}
 	}
 	else { /* true color mode */
+		u16 col16;
 		fb16 = (ushort *)(lcd_base + y * lcd_line_length + x);
 		for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
 			for (j=0; j<BMP_LOGO_WIDTH; j++) {
-				fb16[j] = bmp_logo_palette[(bmap[j])];
+				col16 = bmp_logo_palette[(bmap[j]-16)];
+				fb16[j] =
+					((col16 & 0x000F) << 1) |
+					((col16 & 0x00F0) << 3) |
+					((col16 & 0x0F00) << 4);
 				}
 			bmap += BMP_LOGO_WIDTH;
 			fb16 += panel_info.vl_col;

99 lines not on this page · raw message

new file mode 100644
index 0000000..78252ed
@@ -0,0 +1,7 @@
+#ifndef __NHK8815_DEVICES__
+#define __NHK8815_DEVICES__
+
+/* Prototypes for functions exported by device files in this directory */
+extern int nhk8815_keypad_init(void);          /* ./keypad.c */
+
+#endif /* __NHK8815_DEVICES__ */

index eadce40..fbabd15 100644
@@ -29,6 +29,7 @@
 #include <netdev.h>
 #include <asm/io.h>
 #include <asm/arch/gpio.h>
+#include "nhk8815-devices.h"
 
 DECLARE_GLOBAL_DATA_PTR;
 

@@ -109,6 +110,9 @@ int board_eth_init(bd_t *bis)
 /* Initialization callback, from lib_arm/board.c */
 int board_late_init(void)
 {
+#ifdef CONFIG_NHK8815_KEYPAD
+	nhk8815_keypad_init();
+#endif
 	return 0;
 }
 

index e1be45b..f9dbd7a 100644
@@ -131,6 +131,9 @@
 #define STMPE0  0x43
 #define STMPE1  0x44
 
+/* Keypad using stmpe2401 */
+#define CONFIG_NHK8815_KEYPAD
+
 /* Ethernet */
 #define PCI_MEMORY_VADDR	0xe8000000
 #define PCI_IO_VADDR		0xee000000

88 lines not on this page · raw message

index 78252ed..aec5825 100644
@@ -3,5 +3,6 @@
 
 /* Prototypes for functions exported by device files in this directory */
 extern int nhk8815_keypad_init(void);          /* ./keypad.c */
+extern int nhk8815_backlight_on(void);		/* in ./lcd.c */
 
 #endif /* __NHK8815_DEVICES__ */

index fbabd15..fedb3c0 100644
@@ -113,6 +113,9 @@ int board_late_init(void)
 #ifdef CONFIG_NHK8815_KEYPAD
 	nhk8815_keypad_init();
 #endif
+#ifdef CONFIG_LCD
+	nhk8815_backlight_on();
+#endif
 	return 0;
 }
 

index f9dbd7a..ad098d9 100644
@@ -134,6 +134,16 @@
 /* Keypad using stmpe2401 */
 #define CONFIG_NHK8815_KEYPAD
 
+/* Display support */
+#define CONFIG_LCD
+#define CONFIG_LCD_LOGO
+#define CONFIG_LCD_INFO_BELOW_LOGO
+#define CONFIG_SYS_WHITE_ON_BLACK
+#define LCD_BPP				LCD_COLOR16
+#define CONFIG_VIDEO_AMBA
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV	1
+#define CONFIG_CONSOLE_MUX
+
 /* Ethernet */
 #define PCI_MEMORY_VADDR	0xe8000000
 #define PCI_IO_VADDR		0xee000000

index 4e31618..db799db 100644
@@ -456,22 +456,14 @@ ulong lcd_setmem (ulong addr)
 
 static void lcd_setfgcolor (int color)
 {
-#ifdef CONFIG_ATMEL_LCD
 	lcd_color_fg = color;
-#else
-	lcd_color_fg = color & 0x0F;
-#endif
 }
 
 /*----------------------------------------------------------------------*/
 
 static void lcd_setbgcolor (int color)
 {
-#ifdef CONFIG_ATMEL_LCD
 	lcd_color_bg = color;
-#else
-	lcd_color_bg = color & 0x0F;
-#endif
 }
 
 /*----------------------------------------------------------------------*/

index db799db..64fb1c6 100644
@@ -63,7 +63,7 @@
 /************************************************************************/
 #ifdef CONFIG_LCD_LOGO
 # include <bmp_logo.h>		/* Get logo data, width and height	*/
-# if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET)
+# if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16)
 #  error Default Color Map overlaps with Logo Color Map
 # endif
 #endif

@@ -218,8 +218,12 @@ static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
 
 	for (row=0;  row < VIDEO_FONT_HEIGHT;  ++row, dest += lcd_line_length)  {
 		uchar *s = str;
-		uchar *d = dest;
 		int i;
+#if LCD_BPP == LCD_COLOR16
+		ushort *d = (ushort *)dest;
+#else
+		uchar *d = dest;
+#endif
 
 #if LCD_BPP == LCD_MONOCHROME
 		uchar rest = *d & -(1 << (8-off));

@@ -244,7 +248,7 @@ static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
 				bits <<= 1;
 			}
 #elif LCD_BPP == LCD_COLOR16
-			for (c=0; c<16; ++c) {
+			for (c=0; c<8; ++c) {
 				*d++ = (bits & 0x80) ?
 						lcd_color_fg : lcd_color_bg;
 				bits <<= 1;

@@ -521,6 +525,13 @@ void bitmap_plot (int x, int y)
 		cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]);
 #elif defined(CONFIG_ATMEL_LCD)
 		cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0));
+#else
+		/*
+		 * default case: generic system with no cmap (most likely 16bpp)
+		 * We set cmap to the source palette, so no change is done.
+		 * This avoids even more ifdef in the next stanza
+		 */
+		cmap = bmp_logo_palette;
 #endif
 
 		WATCHDOG_RESET();

@@ -559,10 +570,15 @@ void bitmap_plot (int x, int y)
 		}
 	}
 	else { /* true color mode */
+		u16 col16;
 		fb16 = (ushort *)(lcd_base + y * lcd_line_length + x);
 		for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
 			for (j=0; j<BMP_LOGO_WIDTH; j++) {
-				fb16[j] = bmp_logo_palette[(bmap[j])];
+				col16 = bmp_logo_palette[(bmap[j]-16)];
+				fb16[j] =
+					((col16 & 0x000F) << 1) |
+					((col16 & 0x00F0) << 3) |
+					((col16 & 0x0F00) << 4);
 				}
 			bmap += BMP_LOGO_WIDTH;
 			fb16 += panel_info.vl_col;