path: root/packages/u-boot/u-boot-1.1.4/at32stk1000/lcdc-driver-for-avr32.patch

diff -uprN u-boot-orig/include/atmel_lcdc.h u-boot/include/atmel_lcdc.h
--- u-boot-orig/include/atmel_lcdc.h	1970-01-01 01:00:00.000000000 +0100
+++ u-boot/include/atmel_lcdc.h	2006-12-21 16:26:10.000000000 +0100
@@ -0,0 +1,269 @@
+/*
+ * Register definitions for Atmel/SIDSA LCD Controller
+ *
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ATMEL_LCDC_H__
+#define __ATMEL_LCDC_H__
+
+#define LCDC_CONTRAST_CTR                       0x00000840
+# define LCDC_CONTRAST_CTR_ENA_OFFSET           3
+# define LCDC_CONTRAST_CTR_ENA_SIZE             1
+# define LCDC_CONTRAST_CTR_POL_OFFSET           2
+# define LCDC_CONTRAST_CTR_POL_SIZE             1
+# define LCDC_CONTRAST_CTR_PS_OFFSET            0
+# define LCDC_CONTRAST_CTR_PS_SIZE              2
+#define LCDC_CONTRAST_VAL                       0x00000844
+# define LCDC_CONTRAST_VAL_CVAL_OFFSET          0
+# define LCDC_CONTRAST_VAL_CVAL_SIZE            8
+#define LCDC_DMABADDR1                          0x00000000
+# define LCDC_DMABADDR1_BADDR_U_OFFSET          0
+# define LCDC_DMABADDR1_BADDR_U_SIZE            32
+#define LCDC_DMABADDR2                          0x00000004
+# define LCDC_DMABADDR2_BADDR_L_OFFSET          0
+# define LCDC_DMABADDR2_BADDR_L_SIZE            32
+#define LCDC_DMACON                             0x0000001C
+# define LCDC_DMACON_DMABUSY_OFFSET             2
+# define LCDC_DMACON_DMABUSY_SIZE               1
+# define LCDC_DMACON_DMAEN_OFFSET               0
+# define LCDC_DMACON_DMAEN_SIZE                 1
+# define LCDC_DMACON_DMARST_OFFSET              1
+# define LCDC_DMACON_DMARST_SIZE                1
+# define LCDC_DMACON_DMAUPDT_OFFSET             3
+# define LCDC_DMACON_DMAUPDT_SIZE               1
+# define LCDC_DMACON_DMA2DEN_OFFSET             4
+# define LCDC_DMACON_DMA2DEN_SIZE               1
+#define LCDC_DMAFRMADD1                         0x00000010
+# define LCDC_DMAFRMADD1_FRMADD_U_OFFSET        0
+# define LCDC_DMAFRMADD1_FRMADD_U_SIZE          32
+#define LCDC_DMAFRMADD2                         0x00000014
+# define LCDC_DMAFRMADD2_FRMADD_L_OFFSET        0
+# define LCDC_DMAFRMADD2_FRMADD_L_SIZE          32
+#define LCDC_DMAFRMCFG                          0x00000018
+# define LCDC_DMAFRMCFG_BRSTLEN_OFFSET          24
+# define LCDC_DMAFRMCFG_BRSTLEN_SIZE            7
+# define LCDC_DMAFRMCFG_FRMSIZE_OFFSET          0
+# define LCDC_DMAFRMCFG_FRMSIZE_SIZE            23
+#define LCDC_DMAFRMPT1                          0x00000008
+# define LCDC_DMAFRMPT1_FRMPT_U_OFFSET          0
+# define LCDC_DMAFRMPT1_FRMPT_U_SIZE            23
+#define LCDC_DMAFRMPT2                          0x0000000C
+# define LCDC_DMAFRMPT2_FRMPT_L_OFFSET          0
+# define LCDC_DMAFRMPT2_FRMPT_L_SIZE            23
+#define LCDC_DMA2DCFG                           0x00000020
+# define LCDC_DMA2DCFG_ADDRINC_OFFSET           0
+# define LCDC_DMA2DCFG_ADDRINC_SIZE             16
+# define LCDC_DMA2DCFG_PIXELOFF_OFFSET          24
+# define LCDC_DMA2DCFG_PIXELOFF_SIZE            5
+#define LCDC_DP1_2                              0x0000081C
+# define LCDC_DP1_2_DP1_2_OFFSET                0
+# define LCDC_DP1_2_DP1_2_SIZE                  8
+#define LCDC_DP2_3                              0x00000828
+# define LCDC_DP2_3_DP2_3_OFFSET                0
+# define LCDC_DP2_3_DP2_3_SIZE                  12
+#define LCDC_DP3_4                              0x00000830
+# define LCDC_DP3_4_DP3_4_OFFSET                0
+# define LCDC_DP3_4_DP3_4_SIZE                  16
+#define LCDC_DP3_5                              0x00000824
+# define LCDC_DP3_5_DP3_5_OFFSET                0
+# define LCDC_DP3_5_DP3_5_SIZE                  20
+#define LCDC_DP4_5                              0x00000834
+# define LCDC_DP4_5_DP4_5_OFFSET                0
+# define LCDC_DP4_5_DP4_5_SIZE                  20
+#define LCDC_DP4_7                              0x00000820
+# define LCDC_DP4_7_DP4_7_OFFSET                0
+# define LCDC_DP4_7_DP4_7_SIZE                  28
+#define LCDC_DP5_7                              0x0000082C
+# define LCDC_DP5_7_DP5_7_OFFSET                0
+# define LCDC_DP5_7_DP5_7_SIZE                  28
+#define LCDC_DP6_7                              0x00000838
+# define LCDC_DP6_7_DP6_7_OFFSET                0
+# define LCDC_DP6_7_DP6_7_SIZE                  28
+#define LCDC_LCDCON1                            0x00000800
+# define LCDC_LCDCON1_BYPASS_OFFSET             0
+# define LCDC_LCDCON1_BYPASS_SIZE               1
+# define LCDC_LCDCON1_CLKVAL_OFFSET             12
+# define LCDC_LCDCON1_CLKVAL_SIZE               9
+# define LCDC_LCDCON1_LINECNT_OFFSET            21
+# define LCDC_LCDCON1_LINECNT_SIZE              11
+#define LCDC_LCDCON2                            0x00000804
+# define LCDC_LCDCON2_CLKMOD_OFFSET             15
+# define LCDC_LCDCON2_CLKMOD_SIZE               1
+# define LCDC_LCDCON2_DISTYPE_OFFSET            0
+# define LCDC_LCDCON2_DISTYPE_SIZE              2
+# define LCDC_LCDCON2_IFWIDTH_OFFSET            3
+# define LCDC_LCDCON2_IFWIDTH_SIZE              2
+# define LCDC_LCDCON2_INVCLK_OFFSET             11
+# define LCDC_LCDCON2_INVCLK_SIZE               1
+# define LCDC_LCDCON2_INVDVAL_OFFSET            12
+# define LCDC_LCDCON2_INVDVAL_SIZE              1
+# define LCDC_LCDCON2_INVFRAME_OFFSET           9
+# define LCDC_LCDCON2_INVFRAME_SIZE             1
+# define LCDC_LCDCON2_INVLINE_OFFSET            10
+# define LCDC_LCDCON2_INVLINE_SIZE              1
+# define LCDC_LCDCON2_INVVD_OFFSET              8
+# define LCDC_LCDCON2_INVVD_SIZE                1
+# define LCDC_LCDCON2_MEMOR_OFFSET              30
+# define LCDC_LCDCON2_MEMOR_SIZE                2
+# define LCDC_LCDCON2_PIXELSIZE_OFFSET          5
+# define LCDC_LCDCON2_PIXELSIZE_SIZE            3
+# define LCDC_LCDCON2_SCANMOD_OFFSET            2
+# define LCDC_LCDCON2_SCANMOD_SIZE              1
+#define LCDC_LCDFIFO                            0x00000814
+# define LCDC_LCDFIFO_FIFOTH_OFFSET             0
+# define LCDC_LCDFIFO_FIFOTH_SIZE               16
+#define LCDC_LCDFRMCFG                          0x00000810
+# define LCDC_LCDFRMCFG_LINESIZE_OFFSET         21
+# define LCDC_LCDFRMCFG_LINESIZE_SIZE           11
+# define LCDC_LCDFRMCFG_LINEVAL_OFFSET          0
+# define LCDC_LCDFRMCFG_LINEVAL_SIZE            11
+#define LCDC_LCDMVAL                            0x00000818
+# define LCDC_LCDMVAL_MMODE_OFFSET              31
+# define LCDC_LCDMVAL_MMODE_SIZE                1
+# define LCDC_LCDMVAL_MVAL_OFFSET               0
+# define LCDC_LCDMVAL_MVAL_SIZE                 8
+#define LCDC_LCDTIM1                            0x00000808
+# define LCDC_LCDTIM1_VBP_OFFSET                8
+# define LCDC_LCDTIM1_VBP_SIZE                  8
+# define LCDC_LCDTIM1_VFP_OFFSET                0
+# define LCDC_LCDTIM1_VFP_SIZE                  8
+# define LCDC_LCDTIM1_VHDLY_OFFSET              24
+# define LCDC_LCDTIM1_VHDLY_SIZE                4
+# define LCDC_LCDTIM1_VPW_OFFSET                16
+# define LCDC_LCDTIM1_VPW_SIZE                  6
+#define LCDC_LCDTIM2                            0x0000080C
+# define LCDC_LCDTIM2_HBP_OFFSET                0
+# define LCDC_LCDTIM2_HBP_SIZE                  8
+# define LCDC_LCDTIM2_HFP_OFFSET                21
+# define LCDC_LCDTIM2_HFP_SIZE                  11
+# define LCDC_LCDTIM2_HPW_OFFSET                8
+# define LCDC_LCDTIM2_HPW_SIZE                  6
+#define LCDC_LCD_GPR                            0x0000085C
+# define LCDC_LCD_GPR_GPRB0_OFFSET              0
+# define LCDC_LCD_GPR_GPRB0_SIZE                1
+# define LCDC_LCD_GPR_GPRB1_OFFSET              1
+# define LCDC_LCD_GPR_GPRB1_SIZE                1
+# define LCDC_LCD_GPR_GPRB2_OFFSET              2
+# define LCDC_LCD_GPR_GPRB2_SIZE                1
+# define LCDC_LCD_GPR_GPRB3_OFFSET              3
+# define LCDC_LCD_GPR_GPRB3_SIZE                1
+# define LCDC_LCD_GPR_GPRB4_OFFSET              4
+# define LCDC_LCD_GPR_GPRB4_SIZE                1
+# define LCDC_LCD_GPR_GPRB5_OFFSET              5
+# define LCDC_LCD_GPR_GPRB5_SIZE                1
+# define LCDC_LCD_GPR_GPRB6_OFFSET              6
+# define LCDC_LCD_GPR_GPRB6_SIZE                1
+# define LCDC_LCD_GPR_GPRB7_OFFSET              7
+# define LCDC_LCD_GPR_GPRB7_SIZE                1
+#define LCDC_LCD_ICR                            0x00000858
+# define LCDC_LCD_ICR_EOFIC_OFFSET              2
+# define LCDC_LCD_ICR_EOFIC_SIZE                1
+# define LCDC_LCD_ICR_LNIC_OFFSET               0
+# define LCDC_LCD_ICR_LNIC_SIZE                 1
+# define LCDC_LCD_ICR_LSTLNIC_OFFSET            1
+# define LCDC_LCD_ICR_LSTLNIC_SIZE              1
+# define LCDC_LCD_ICR_MERIC_OFFSET              6
+# define LCDC_LCD_ICR_MERIC_SIZE                1
+# define LCDC_LCD_ICR_OWRIC_OFFSET              5
+# define LCDC_LCD_ICR_OWRIC_SIZE                1
+# define LCDC_LCD_ICR_UFLWIC_OFFSET             4
+# define LCDC_LCD_ICR_UFLWIC_SIZE               1
+#define LCDC_LCD_IDR                            0x0000084C
+# define LCDC_LCD_IDR_EOFID_OFFSET              2
+# define LCDC_LCD_IDR_EOFID_SIZE                1
+# define LCDC_LCD_IDR_LNID_OFFSET               0
+# define LCDC_LCD_IDR_LNID_SIZE                 1
+# define LCDC_LCD_IDR_LSTLNID_OFFSET            1
+# define LCDC_LCD_IDR_LSTLNID_SIZE              1
+# define LCDC_LCD_IDR_MERID_OFFSET              6
+# define LCDC_LCD_IDR_MERID_SIZE                1
+# define LCDC_LCD_IDR_OWRID_OFFSET              5
+# define LCDC_LCD_IDR_OWRID_SIZE                1
+# define LCDC_LCD_IDR_UFLWID_OFFSET             4
+# define LCDC_LCD_IDR_UFLWID_SIZE               1
+#define LCDC_LCD_IER                            0x00000848
+# define LCDC_LCD_IER_EOFIE_OFFSET              2
+# define LCDC_LCD_IER_EOFIE_SIZE                1
+# define LCDC_LCD_IER_LNIE_OFFSET               0
+# define LCDC_LCD_IER_LNIE_SIZE                 1
+# define LCDC_LCD_IER_LSTLNIE_OFFSET            1
+# define LCDC_LCD_IER_LSTLNIE_SIZE              1
+# define LCDC_LCD_IER_MERIE_OFFSET              6
+# define LCDC_LCD_IER_MERIE_SIZE                1
+# define LCDC_LCD_IER_OWRIE_OFFSET              5
+# define LCDC_LCD_IER_OWRIE_SIZE                1
+# define LCDC_LCD_IER_UFLWIE_OFFSET             4
+# define LCDC_LCD_IER_UFLWIE_SIZE               1
+#define LCDC_LCD_IMR                            0x00000850
+# define LCDC_LCD_IMR_EOFIM_OFFSET              2
+# define LCDC_LCD_IMR_EOFIM_SIZE                1
+# define LCDC_LCD_IMR_LNIM_OFFSET               0
+# define LCDC_LCD_IMR_LNIM_SIZE                 1
+# define LCDC_LCD_IMR_LSTLNIM_OFFSET            1
+# define LCDC_LCD_IMR_LSTLNIM_SIZE              1
+# define LCDC_LCD_IMR_MERIM_OFFSET              6
+# define LCDC_LCD_IMR_MERIM_SIZE                1
+# define LCDC_LCD_IMR_OWRIM_OFFSET              5
+# define LCDC_LCD_IMR_OWRIM_SIZE                1
+# define LCDC_LCD_IMR_UFLWIM_OFFSET             4
+# define LCDC_LCD_IMR_UFLWIM_SIZE               1
+#define LCDC_LCD_IRR                            0x00000864
+# define LCDC_LCD_IRR_EOFIR_OFFSET              2
+# define LCDC_LCD_IRR_EOFIR_SIZE                1
+# define LCDC_LCD_IRR_LNIR_OFFSET               0
+# define LCDC_LCD_IRR_LNIR_SIZE                 1
+# define LCDC_LCD_IRR_LSTLNIR_OFFSET            1
+# define LCDC_LCD_IRR_LSTLNIR_SIZE              1
+# define LCDC_LCD_IRR_MERIR_OFFSET              6
+# define LCDC_LCD_IRR_MERIR_SIZE                1
+# define LCDC_LCD_IRR_OWRIR_OFFSET              5
+# define LCDC_LCD_IRR_OWRIR_SIZE                1
+# define LCDC_LCD_IRR_UFLWIR_OFFSET             4
+# define LCDC_LCD_IRR_UFLWIR_SIZE               1
+#define LCDC_LCD_ISR                            0x00000854
+# define LCDC_LCD_ISR_EOFIS_OFFSET              2
+# define LCDC_LCD_ISR_EOFIS_SIZE                1
+# define LCDC_LCD_ISR_LNIS_OFFSET               0
+# define LCDC_LCD_ISR_LNIS_SIZE                 1
+# define LCDC_LCD_ISR_LSTLNIS_OFFSET            1
+# define LCDC_LCD_ISR_LSTLNIS_SIZE              1
+# define LCDC_LCD_ISR_MERIS_OFFSET              6
+# define LCDC_LCD_ISR_MERIS_SIZE                1
+# define LCDC_LCD_ISR_OWRIS_OFFSET              5
+# define LCDC_LCD_ISR_OWRIS_SIZE                1
+# define LCDC_LCD_ISR_UFLWIS_OFFSET             4
+# define LCDC_LCD_ISR_UFLWIS_SIZE               1
+#define LCDC_LCD_ITR                            0x00000860
+# define LCDC_LCD_ITR_EOFIT_OFFSET              2
+# define LCDC_LCD_ITR_EOFIT_SIZE                1
+# define LCDC_LCD_ITR_LNIT_OFFSET               0
+# define LCDC_LCD_ITR_LNIT_SIZE                 1
+# define LCDC_LCD_ITR_LSTLNIT_OFFSET            1
+# define LCDC_LCD_ITR_LSTLNIT_SIZE              1
+# define LCDC_LCD_ITR_MERIT_OFFSET              6
+# define LCDC_LCD_ITR_MERIT_SIZE                1
+# define LCDC_LCD_ITR_OWRIT_OFFSET              5
+# define LCDC_LCD_ITR_OWRIT_SIZE                1
+# define LCDC_LCD_ITR_UFLWIT_OFFSET             4
+# define LCDC_LCD_ITR_UFLWIT_SIZE               1
+#define LCDC_PWRCON                             0x0000083C
+# define LCDC_PWRCON_GUARD_TIME_OFFSET          1
+# define LCDC_PWRCON_GUARD_TIME_SIZE            7
+# define LCDC_PWRCON_LCD_BUSY_OFFSET            31
+# define LCDC_PWRCON_LCD_BUSY_SIZE              1
+# define LCDC_PWRCON_LCD_PWR_OFFSET             0
+# define LCDC_PWRCON_LCD_PWR_SIZE               1
+
+#define LCDC_BIT(name)                          (1 << LCDC_##name##_OFFSET)
+#define LCDC_MKBF(name,value)                   (((value) & ((1 << LCDC_##name##_SIZE) - 1)) << LCDC_##name##_OFFSET)
+#define LCDC_GETBF(name,value)                  (((value) >> LCDC_##name##_OFFSET) & ((1 << LCDC_##name##_SIZE) - 1))
+#define LCDC_INSBF(name,value,old)              (((old) & ~(((1 << LCDC_##name##_SIZE) - 1) << LCDC_##name##_OFFSET)) | LCDC_MKBF(name, value))
+
+#define lcdc_readl(port,reg)		readl((port)->regs + LCDC_##reg)
+#define lcdc_writel(port,reg,value)	writel((value), (port)->regs + LCDC_##reg)
+
+#endif /* __ASM_AVR32_PERIPH_LCDC_H__ */
diff -uprN u-boot-orig/drivers/atmel_lcdc.c u-boot/drivers/atmel_lcdc.c
--- u-boot-orig/drivers/atmel_lcdc.c	1970-01-01 01:00:00.000000000 +0100
+++ u-boot/drivers/atmel_lcdc.c	2007-01-05 12:29:24.000000000 +0100
@@ -0,0 +1,465 @@
+/*
+ * Framebuffer Driver for Atmel/SIDSA LCD Controller
+ *
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <common.h>
+
+#if defined(CONFIG_ATMEL_LCDC)
+
+#ifndef LCD_BPP
+# define LCD_BPP	LCD_COLOR24
+#endif
+
+#include <lcd.h>
+#include <malloc.h>
+#include <video_fb.h>
+
+#include <atmel_lcdc.h>
+
+#include <asm/io.h>
+#include <asm/arch/sm.h>
+#include <asm/arch/platform.h>
+
+/* Sync defines */
+#define FB_SYNC_HOR_HIGH_ACT	1	/* horizontal sync high active	*/
+#define FB_SYNC_VERT_HIGH_ACT	2	/* vertical sync high active	*/
+#define FB_SYNC_EXT		4	/* external sync		*/
+#define FB_SYNC_COMP_HIGH_ACT	8	/* composite sync high active   */
+#define FB_SYNC_BROADCAST	16	/* broadcast video timings      */
+/* vtotal = 144d/288n/576i => PAL  */
+/* vtotal = 121d/242n/484i => NTSC */
+#define FB_SYNC_ON_GREEN	32	/* sync on green */
+#define FB_SYNC_PCLK_RISING	64	/* pixel data sampled on rising pclk */
+
+/* More or less configurable parameters */
+#define LCDC_FIFO_SIZE		512
+#define LCDC_DMA_BURST_LEN	8
+
+/* TODO: These should be autogenerated from part description file */
+#define LCDC_DISTYPE_STN_MONO	0
+#define LCDC_DISTYPE_STN_COLOR	1
+#define LCDC_DISTYPE_TFT	2
+#define LCDC_LUT		0xc00
+
+#ifdef CONFIG_DISPLAY_LTV350QV
+/* 320x240x24 @ 75 Hz */
+vidinfo_t panel_info = {
+		vl_col:		320,		/* Number of columns */
+		vl_row:		240,		/* Number of rows */
+		vl_width:	320,		/* Width in mm */
+		vl_height:	240,		/* Height in mm */
+		vl_clkp:	CFG_HIGH,	/* Clock polarity */
+		vl_oep:		CFG_HIGH,	/* Output enable polarity */
+		vl_hsp:		CFG_HIGH,	/* Horizontal sync polarity */
+		vl_vsp:		CFG_HIGH,	/* Vertical sync polarity */
+		vl_dp:		CFG_HIGH,	/* Data polarity */
+		vl_bpix:	LCD_BPP,	/* Bits per pixel */
+		vl_lbw:		1,		/* LCD bus width */
+		vl_splt:	0,		/* Split display? 0=single, 1=dual */
+		vl_clor:	1,		/* Color? 0 = mono, 1 = color */
+		vl_tft:		1,		/* TFT? 0 = passive, 1 = TFT */
+		vl_hpw:		16,		/* Horizontal sync pulse width */
+		vl_blw:		17,		/* Wait before of line */
+		vl_elw:		33,		/* Wait end of line */
+		vl_vpw:		1,		/* Vertical sync pulse width */
+		vl_bfw:		10,		/* Wait before of frame */
+		vl_efw:		10,		/* Wait end of frame */
+
+		pixclock:	145111,
+		left_margin:	17,
+		right_margin:	33,
+		upper_margin:	10,
+		lower_margin:	10,
+		hsync_len:	16,
+		vsync_len:	1,
+		sync:		FB_SYNC_PCLK_RISING,
+		yoffset:	0,
+		xoffset:	0,
+};
+#else
+#error A display must be defined for the LCD controller
+#endif
+
+void lcd_ctrl_init	(void *lcdbase);
+void lcd_enable	(void);
+
+int lcd_line_length;
+int lcd_color_fg;
+int lcd_color_bg;
+
+void *lcd_base;			/* Start of framebuffer memory	*/
+void *lcd_console_address;	/* Start of console buffer	*/
+
+short console_col;
+short console_row;
+
+static int lcdc_init_mem(void *lcdbase);
+void lcdc_init(void *lcdbase);
+
+static inline u_int chan_to_field(u_int chan, const struct lcdc_bitfield *bf)
+{
+	chan &= 0xffff;
+	chan >>= 16 - bf->length;
+	return chan << bf->offset;
+}
+
+/*
+ * ************************************************************************* *
+ *                        Das U-Boot LCD functions                           *
+ * ************************************************************************* *
+ */
+void lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue)
+{
+	struct lcdc_info *cinfo = panel_info.lcdc;
+	u_int *palette = (u_int *)cinfo->palette;
+	u_int val;
+
+	if (cinfo->var.grayscale)
+		red = green = blue = (19595 * red + 38470 * green
+				+ 7471 * blue) >> 16;
+
+	switch (cinfo->visual) {
+	case FB_VISUAL_TRUECOLOR:
+		if (regno < 16) {
+			/* TODO: I do not get why we need a palette here
+			palette = cinfo->pseudo_palette;
+			*/
+
+			val  = chan_to_field(red, &cinfo->var.red);
+			val |= chan_to_field(green, &cinfo->var.green);
+			val |= chan_to_field(blue, &cinfo->var.blue);
+
+			palette[regno] = val;
+		}
+		break;
+
+	case FB_VISUAL_PSEUDOCOLOR:
+		if (regno < 256) {
+			val =  ((blue  << 7) & 0x7c00);
+			val |= ((green << 2) & 0x03e0);
+			val |= ((red   >> 3) & 0x001f);
+
+			/*
+			 * TODO: intensity bit. Maybe something like
+			 *   ~(red[10] ^ green[10] ^ blue[10]) & 1
+			 */
+			palette[regno] = val;
+		}
+		break;
+	}
+}
+
+void lcd_ctrl_init (void *lcdbase)
+{
+	lcdc_init_mem(lcdbase);
+	lcdc_init(lcdbase);
+}
+
+
+
+void lcd_enable (void)
+{
+	return;
+}
+
+ulong calc_fbsize (void)
+{
+	ulong size;
+	int line_length;
+	if (panel_info.vl_bpix > LCD_COLOR32)
+		line_length = panel_info.vl_col * panel_info.vl_bpix / 8;
+	else
+		line_length = panel_info.vl_col * NBITS(panel_info.vl_bpix) / 8;
+
+	size = line_length * panel_info.vl_row;
+	size += PAGE_SIZE;
+
+	return size;
+}
+
+/* ************************************************************************* *
+ *                    Architecture specific functions                        *
+ * ************************************************************************* *
+ */
+static int lcdc_init_mem(void *lcdbase)
+{
+	struct lcdc_info *cinfo;
+	const struct device *dev;
+
+	cinfo = malloc(sizeof(struct lcdc_info));
+	if (!cinfo) {
+		printf("lcdc: could not allocate RAM for lcdc_info\n");
+		return -1;
+	}
+
+	dev = get_device(DEVICE_LCDC);
+	if (!dev)
+		printf("lcdc: could not get LCDC\n");
+
+	cinfo->dev = dev;
+	cinfo->regs = dev->regs;
+
+	cinfo->screen = (u_long)lcdbase;
+	cinfo->palette_size = NBITS(panel_info.vl_bpix) == 8 ? 256 : 16;
+	/* palette is stored in LCD controller IO memory */
+	cinfo->palette = (u_long)cinfo->regs + LCDC_LUT;
+
+	panel_info.lcdc = cinfo;
+
+	return 0;
+}
+
+static void lcdc_update_dma()
+{
+	unsigned long dma_addr;
+	unsigned long pixeloff;
+	unsigned long dma2dcfg;
+	struct lcdc_info *cinfo = panel_info.lcdc;
+
+	dma_addr = (cinfo->smem_start + cinfo->yoffset * cinfo->line_length
+			+ cinfo->xoffset * cinfo->bits_per_pixel / 8);
+
+	dma_addr &= ~3UL;
+	pixeloff = LCDC_MKBF(DMA2DCFG_PIXELOFF, cinfo->xoffset * cinfo->bits_per_pixel);
+
+	/* Set framebuffer DMA base address and pixel offset */
+	lcdc_writel(cinfo, DMABADDR1, dma_addr);
+	dma2dcfg = lcdc_readl(cinfo, DMA2DCFG);
+	dma2dcfg = LCDC_INSBF(DMA2DCFG_PIXELOFF, pixeloff, dma2dcfg);
+	lcdc_writel(cinfo, DMA2DCFG, dma2dcfg);
+
+	/* Update configuration */
+	lcdc_writel(cinfo, DMACON, (lcdc_readl(cinfo, DMACON)
+				| LCDC_BIT(DMACON_DMAUPDT)));
+}
+
+static int lcdc_set_var(struct lcdc_info *info)
+{
+	info->var.red.msb_right = info->var.green.msb_right
+		= info->var.blue.msb_right = 0;
+	info->var.transp.offset = info->var.transp.length = 0;
+
+	switch (info->bits_per_pixel) {
+	case 2:
+	case 4:
+	case 8:
+		info->var.red.offset = info->var.green.offset
+			= info->var.blue.offset = 0;
+		info->var.red.length = info->var.green.length
+			= info->var.blue.length = info->var.bits_per_pixel;
+		break;
+	case 15:
+	case 16:
+		/*
+		 * Bit 16 is the "intensity" bit, I think. Not sure
+		 * what we're going to use that for...
+		 */
+		info->var.red.offset = 0;
+		info->var.green.offset = 5;
+		info->var.blue.offset = 10;
+		info->var.red.length = 5;
+		info->var.green.length = 5;
+		info->var.blue.length = 5;
+		break;
+	case 32:
+		info->var.transp.offset = 24;
+		info->var.transp.length = 8;
+		/* fall through */
+	case 24:
+		info->var.red.offset = 16;
+		info->var.green.offset = 8;
+		info->var.blue.offset = 0;
+		info->var.red.length = info->var.green.length
+			= info->var.blue.length = 8;
+		break;
+	default:
+		printf("lcdc: color depth %d not supported\n",
+		       info->var.bits_per_pixel);
+		return -1;
+	}
+
+	info->var.xoffset = info->var.yoffset = 0;
+	info->var.red.msb_right = info->var.green.msb_right
+		= info->var.blue.msb_right = info->var.transp.msb_right = 0;
+
+	return 0;
+}
+
+void lcdc_init(void *lcdbase)
+{
+	unsigned int value;
+	const struct device *sm;
+	struct lcdc_info *cinfo = panel_info.lcdc;
+
+	sm = get_device(DEVICE_SM);
+	if (!sm)
+		printf("lcdc: could not get SM\n");
+
+	cinfo->xres = panel_info.vl_col;
+	cinfo->yres = panel_info.vl_row;
+	cinfo->xres_virtual = panel_info.vl_col;
+	cinfo->yres_virtual = panel_info.vl_row;
+	if (panel_info.vl_bpix > LCD_COLOR32) {
+		cinfo->bits_per_pixel = panel_info.vl_bpix;
+	} else {
+		cinfo->bits_per_pixel = (1<<panel_info.vl_bpix);
+	}
+	/* INFO: if you see weird offset errors when displaying data
+	 * increase the guard_time */
+	cinfo->guard_time = 2;
+
+	cinfo->pixclock = panel_info.pixclock;
+
+	cinfo->left_margin = panel_info.left_margin;
+	cinfo->right_margin = panel_info.right_margin;
+	cinfo->upper_margin = panel_info.upper_margin;
+	cinfo->lower_margin = panel_info.lower_margin;
+
+	cinfo->hsync_len = panel_info.hsync_len;
+	cinfo->vsync_len = panel_info.vsync_len;
+
+	cinfo->sync = panel_info.sync;
+
+	cinfo->smem_start = (u_long)lcdbase;
+	cinfo->yoffset = panel_info.yoffset;
+	cinfo->xoffset = panel_info.xoffset;
+	cinfo->line_length = cinfo->xres;
+
+	panel_info.lcdc = cinfo;
+
+	if (cinfo->bits_per_pixel <= 8) {
+		cinfo->visual = FB_VISUAL_PSEUDOCOLOR;
+	} else {
+		cinfo->visual = FB_VISUAL_TRUECOLOR;
+	}
+
+	/* setup var information */
+	if (lcdc_set_var(cinfo) != 0) {
+		printf("lcdc: could not set var information\n");
+		return;
+	}
+
+	sm_writel(sm, PM_GCCTRL7, SM_BIT(PLLSEL)|SM_BIT(CEN));
+
+	debug("lcdc: resolution: %ux%u %dbpp (%ux%u virtual)\n",
+			cinfo->xres, cinfo->yres, cinfo->bits_per_pixel,
+			cinfo->xres_virtual, cinfo->yres_virtual);
+
+	/* Turn off the LCD controller and the DMA controller */
+	lcdc_writel(cinfo, PWRCON,
+			LCDC_MKBF(PWRCON_GUARD_TIME, cinfo->guard_time));
+	lcdc_writel(cinfo, DMACON, 0);
+
+	cinfo->line_length = (cinfo->xres_virtual
+			* (cinfo->bits_per_pixel / 8));
+
+	/* Re-initialize the DMA engine... */
+	lcdc_update_dma();
+
+	/* ...set frame size and burst length = 8 words (?) */
+	value = LCDC_MKBF(DMAFRMCFG_FRMSIZE,
+			(cinfo->yres * cinfo->line_length + 3) / 4);
+	value |= LCDC_MKBF(DMAFRMCFG_BRSTLEN, (LCDC_DMA_BURST_LEN - 1));
+	lcdc_writel(cinfo, DMAFRMCFG, value);
+
+	/* ...set 2D configuration (necessary for xres_virtual != xres) */
+	value = LCDC_MKBF(DMA2DCFG_ADDRINC,
+			cinfo->xres_virtual - cinfo->xres);
+	lcdc_writel(cinfo, DMA2DCFG, value);
+
+	/* ...wait for DMA engine to become idle... */
+	while (lcdc_readl(cinfo, DMACON) & LCDC_BIT(DMACON_DMABUSY));
+
+	/* ...and enable it with updated configuration */
+	lcdc_writel(cinfo, DMACON, (LCDC_BIT(DMACON_DMAEN)
+				| LCDC_BIT(DMACON_DMAUPDT)
+				| LCDC_BIT(DMACON_DMA2DEN)));
+
+	/* Now, the LCD core... */
+
+	/* Set pixel clock. */
+	value = 140000000 / 100000 * cinfo->pixclock;
+	value /= 10000000;
+	value = (value + 1) / 2;
+	if (value == 0) {
+		lcdc_writel(cinfo, LCDCON1, LCDC_BIT(LCDCON1_BYPASS));
+	} else {
+		lcdc_writel(cinfo, LCDCON1, LCDC_MKBF(LCDCON1_CLKVAL, value - 1));
+	}
+
+	/* Initialize control register 2 */
+	value = (LCDC_BIT(LCDCON2_CLKMOD)
+			| LCDC_MKBF(LCDCON2_DISTYPE, LCDC_DISTYPE_TFT));
+	if (!(cinfo->sync & FB_SYNC_HOR_HIGH_ACT))
+		value |= LCDC_BIT(LCDCON2_INVLINE);
+	if (!(cinfo->sync & FB_SYNC_VERT_HIGH_ACT))
+		value |= LCDC_BIT(LCDCON2_INVFRAME);
+	if (cinfo->sync & FB_SYNC_PCLK_RISING)
+		value |= LCDC_BIT(LCDCON2_INVCLK);
+
+	switch (cinfo->bits_per_pixel) {
+		case 1:	value |= LCDC_MKBF(LCDCON2_PIXELSIZE, 0); break;
+		case 2: value |= LCDC_MKBF(LCDCON2_PIXELSIZE, 1); break;
+		case 4: value |= LCDC_MKBF(LCDCON2_PIXELSIZE, 2); break;
+		case 8: value |= LCDC_MKBF(LCDCON2_PIXELSIZE, 3); break;
+		case 15: /* fall through */
+		case 16: value |= LCDC_MKBF(LCDCON2_PIXELSIZE, 4); break;
+		case 24: value |= LCDC_MKBF(LCDCON2_PIXELSIZE, 5); break;
+		case 32: value |= LCDC_MKBF(LCDCON2_PIXELSIZE, 6); break;
+		default:
+			 printf("lcdc: %d bits per pixel not supported\n",
+					 cinfo->bits_per_pixel);
+			 return;
+			 break;
+	}
+	lcdc_writel(cinfo, LCDCON2, value);
+
+	/* Vertical timing */
+	value = LCDC_MKBF(LCDTIM1_VPW, cinfo->vsync_len - 1);
+	value |= LCDC_MKBF(LCDTIM1_VBP, cinfo->upper_margin);
+	value |= LCDC_MKBF(LCDTIM1_VFP, cinfo->lower_margin);
+	lcdc_writel(cinfo, LCDTIM1, value);
+
+	/* Horizontal timing */
+	value = LCDC_MKBF(LCDTIM2_HFP, cinfo->right_margin - 1);
+	value |= LCDC_MKBF(LCDTIM2_HPW, cinfo->hsync_len - 1);
+	value |= LCDC_MKBF(LCDTIM2_HBP, cinfo->left_margin - 1);
+	lcdc_writel(cinfo, LCDTIM2, value);
+
+	/* Display size */
+	value = LCDC_MKBF(LCDFRMCFG_LINESIZE, cinfo->xres - 1);
+	value |= LCDC_MKBF(LCDFRMCFG_LINEVAL, cinfo->yres - 1);
+	lcdc_writel(cinfo, LCDFRMCFG, value);
+
+	/* FIFO Threshold: Use formula from data sheet */
+	value = LCDC_FIFO_SIZE - (2 * LCDC_DMA_BURST_LEN + 3);
+	lcdc_writel(cinfo, LCDFIFO, value);
+
+	/* Toggle LCD_MODE every frame */
+	lcdc_writel(cinfo, LCDMVAL, 0);
+
+	/* Disable all interrupts */
+	lcdc_writel(cinfo, LCD_IDR, ~0UL);
+
+	/* Wait for the LCDC core to become idle and enable it */
+	while (lcdc_readl(cinfo, PWRCON) & LCDC_BIT(PWRCON_LCD_BUSY));
+
+	lcdc_writel(cinfo, PWRCON,
+			LCDC_MKBF(PWRCON_GUARD_TIME, cinfo->guard_time)
+			| LCDC_BIT(PWRCON_LCD_PWR));
+
+	debug("lcdc: controller at 0x%08x, framebuffer at 0x%08x\n",
+			cinfo->regs, cinfo->smem_start);
+
+	/* clear 320 x 240 x 24bpp area in framebuffer */
+	memset((void *)cinfo->smem_start, 0, cinfo->xres * cinfo->yres * 3);
+
+	return;
+}
+#endif
diff -uprN u-boot-orig/drivers/Makefile u-boot/drivers/Makefile
--- u-boot-orig/drivers/Makefile	2007-01-01 19:26:46.000000000 +0100
+++ u-boot/drivers/Makefile	2007-01-01 16:10:49.000000000 +0100
@@ -27,7 +27,8 @@ include $(TOPDIR)/config.mk
 
 LIB	= libdrivers.a
 
-OBJS	= 3c589.o 5701rls.o ali512x.o atmel_usart.o \
+OBJS	= 3c589.o 5701rls.o ali512x.o \
+	  atmel_usart.o atmel_lcdc.o \
 	  bcm570x.o bcm570x_autoneg.o cfb_console.o cfi_flash.o \
 	  cs8900.o ct69000.o dataflash.o dc2114x.o dm9000x.o \
 	  e1000.o eepro100.o \