Signed-off-by: Stelian Pop stelian@popies.net --- README | 4 + common/lcd.c | 66 +++++++++++++- drivers/video/Makefile | 1 + drivers/video/atmel_lcdfb.c | 160 +++++++++++++++++++++++++++++++ include/asm-arm/arch-at91sam9/clk.h | 6 + include/atmel_lcdc.h | 177 +++++++++++++++++++++++++++++++++++ include/lcd.h | 30 ++++++- lib_arm/board.c | 37 ++++++-- 8 files changed, 469 insertions(+), 12 deletions(-) create mode 100644 drivers/video/atmel_lcdfb.c create mode 100644 include/atmel_lcdc.h
diff --git a/README b/README index 5e2bca4..dca495d 100644 --- a/README +++ b/README @@ -962,6 +962,10 @@ The following options need to be configured: display); also select one of the supported displays by defining one of these:
+ CONFIG_ATMEL_LCD: + + HITACHI TX09D70VM1CCA, 3.5", 240x320. + CONFIG_NEC_NL6448AC33:
NEC NL6448AC33-18. Active, color, single scan. diff --git a/common/lcd.c b/common/lcd.c index 914dc2e..cf7f750 100644 --- a/common/lcd.c +++ b/common/lcd.c @@ -50,6 +50,10 @@ #include <lcdvideo.h> #endif
+#if defined(CONFIG_ATMEL_LCD) +#include <atmel_lcdc.h> +#endif + #ifdef CONFIG_LCD
/************************************************************************/ @@ -474,14 +478,22 @@ 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 }
/*----------------------------------------------------------------------*/ @@ -508,7 +520,11 @@ static int lcd_getbgcolor (void) #ifdef CONFIG_LCD_LOGO void bitmap_plot (int x, int y) { +#ifdef CONFIG_ATMEL_LCD + uint *cmap; +#else ushort *cmap; +#endif ushort i, j; uchar *bmap; uchar *fb; @@ -533,6 +549,8 @@ void bitmap_plot (int x, int y) cmap = (ushort *)fbi->palette; #elif defined(CONFIG_MPC823) cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]); +#elif defined(CONFIG_ATMEL_LCD) + cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0)); #endif
WATCHDOG_RESET(); @@ -540,11 +558,26 @@ void bitmap_plot (int x, int y) /* Set color map */ for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) { ushort colreg = bmp_logo_palette[i]; +#ifdef CONFIG_ATMEL_LCD + uint lut_entry; +#ifdef CONFIG_ATMEL_LCD_BGR555 + lut_entry = ((colreg & 0x000F) << 11) | + ((colreg & 0x00F0) << 2) | + ((colreg & 0x0F00) >> 7); +#else /* CONFIG_ATMEL_LCD_RGB565 */ + lut_entry = ((colreg & 0x000F) << 1) | + ((colreg & 0x00F0) << 3) | + ((colreg & 0x0F00) << 4); +#endif + *(cmap + BMP_LOGO_OFFSET) = lut_entry; + cmap++; +#else /* !CONFIG_ATMEL_LCD */ #ifdef CFG_INVERT_COLORS *cmap++ = 0xffff - colreg; #else *cmap++ = colreg; #endif +#endif /* CONFIG_ATMEL_LCD */ }
WATCHDOG_RESET(); @@ -578,7 +611,9 @@ void bitmap_plot (int x, int y) */ int lcd_display_bitmap(ulong bmp_image, int x, int y) { -#if !defined(CONFIG_MCC200) +#ifdef CONFIG_ATMEL_LCD + uint *cmap; +#elif !defined(CONFIG_MCC200) ushort *cmap; #endif ushort i, j; @@ -633,6 +668,8 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y) cmap = (ushort *)fbi->palette; #elif defined(CONFIG_MPC823) cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]); +#elif defined(CONFIG_ATMEL_LCD) + cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0)); #else # error "Don't know location of color map" #endif @@ -765,6 +802,33 @@ static void *lcd_logo (void) # endif /* CONFIG_LCD_INFO */ #endif /* CONFIG_MPC823 */
+#ifdef CONFIG_ATMEL_LCD +# ifdef CONFIG_LCD_INFO + sprintf (info, "%s", U_BOOT_VERSION); + lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, (uchar *)info, strlen(info)); + + sprintf (info, "(C) 2008 ATMEL Corp"); + lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT, + (uchar *)info, strlen(info)); + + sprintf (info, "at91support@atmel.com"); + lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2, + (uchar *)info, strlen(info)); + + sprintf (info, "%s CPU at %s MHz", + AT91_CPU_NAME, + strmhz(temp, AT91_MAIN_CLOCK)); + lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3, + (uchar *)info, strlen(info)); + sprintf (info, " %ld MB SDRAM, %ld MB NAND", + gd->bd->bi_dram_size >> 20, + gd->bd->bi_nand_size >> 20 ); + lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4, + (uchar *)info, strlen(info)); +# endif /* CONFIG_LCD_INFO */ +#endif /* CONFIG_ATMEL_LCD */ + + #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length)); #else diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 0e40f2a..a07ee0e 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -26,6 +26,7 @@ include $(TOPDIR)/config.mk LIB := $(obj)libvideo.a
COBJS-y += ati_radeon_fb.o +COBJS-$(CONFIG_ATMEL_LCD) += atmel_lcdfb.o COBJS-y += cfb_console.o COBJS-y += ct69000.o COBJS-y += mb862xx.o diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c new file mode 100644 index 0000000..12157e4 --- /dev/null +++ b/drivers/video/atmel_lcdfb.c @@ -0,0 +1,160 @@ +/* + * Driver for AT91/AT32 LCD Controller + * + * Copyright (C) 2007 Atmel Corporation + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/gpio.h> +#include <asm/arch/clk.h> +#include <lcd.h> +#include <atmel_lcdc.h> + +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; + +/* configurable parameters */ +#define ATMEL_LCDC_CVAL_DEFAULT 0xc8 +#define ATMEL_LCDC_DMA_BURST_LEN 8 + +#if defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91CAP9) +#define ATMEL_LCDC_FIFO_SIZE 2048 +#else +#define ATMEL_LCDC_FIFO_SIZE 512 +#endif + +#define lcdc_readl(mmio, reg) __raw_readl((mmio)+(reg)) +#define lcdc_writel(mmio, reg, val) __raw_writel((val), (mmio)+(reg)) + +void lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue) +{ +#if defined(CONFIG_ATMEL_LCD_BGR555) + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LUT(regno), + (red >> 3) | ((green & 0xf8) << 2) | ((blue & 0xf8) << 7)); +#else + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LUT(regno), + (blue >> 3) | ((green & 0xfc) << 3) | ((red & 0xf8) << 8)); +#endif +} + +void lcd_ctrl_init(void *lcdbase) +{ + unsigned long value; + + /* Turn off the LCD controller and the DMA controller */ + lcdc_writel(panel_info.mmio, ATMEL_LCDC_PWRCON, + 1 << ATMEL_LCDC_GUARDT_OFFSET); + + /* Wait for the LCDC core to become idle */ + while (lcdc_readl(panel_info.mmio, ATMEL_LCDC_PWRCON) & ATMEL_LCDC_BUSY) + udelay(10); + + lcdc_writel(panel_info.mmio, ATMEL_LCDC_DMACON, 0); + + /* Reset LCDC DMA */ + lcdc_writel(panel_info.mmio, ATMEL_LCDC_DMACON, ATMEL_LCDC_DMARST); + + /* ...set frame size and burst length = 8 words (?) */ + value = (panel_info.vl_col * panel_info.vl_row * + NBITS(panel_info.vl_bpix)) / 32; + value |= ((ATMEL_LCDC_DMA_BURST_LEN - 1) << ATMEL_LCDC_BLENGTH_OFFSET); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_DMAFRMCFG, value); + + /* Set pixel clock */ + value = get_lcdc_clk_rate(0) / panel_info.vl_clk; + if (get_lcdc_clk_rate(0) % panel_info.vl_clk) + value++; + value = (value / 2) - 1; + + if (!value) { + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDCON1, ATMEL_LCDC_BYPASS); + } else + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDCON1, + value << ATMEL_LCDC_CLKVAL_OFFSET); + + /* Initialize control register 2 */ + value = ATMEL_LCDC_MEMOR_LITTLE | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE; + if (panel_info.vl_tft) + value |= ATMEL_LCDC_DISTYPE_TFT; + + if (!(panel_info.vl_sync & ATMEL_LCDC_INVLINE_INVERTED)) + value |= ATMEL_LCDC_INVLINE_INVERTED; + if (!(panel_info.vl_sync & ATMEL_LCDC_INVFRAME_INVERTED)) + value |= ATMEL_LCDC_INVFRAME_INVERTED; + value |= (panel_info.vl_bpix << 5); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDCON2, value); + + /* Vertical timing */ + value = (panel_info.vl_vsync_len - 1) << ATMEL_LCDC_VPW_OFFSET; + value |= panel_info.vl_upper_margin << ATMEL_LCDC_VBP_OFFSET; + value |= panel_info.vl_lower_margin; + lcdc_writel(panel_info.mmio, ATMEL_LCDC_TIM1, value); + + /* Horizontal timing */ + value = (panel_info.vl_right_margin - 1) << ATMEL_LCDC_HFP_OFFSET; + value |= (panel_info.vl_hsync_len - 1) << ATMEL_LCDC_HPW_OFFSET; + value |= (panel_info.vl_left_margin - 1); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_TIM2, value); + + /* Display size */ + value = (panel_info.vl_col - 1) << ATMEL_LCDC_HOZVAL_OFFSET; + value |= panel_info.vl_row - 1; + lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDFRMCFG, value); + + /* FIFO Threshold: Use formula from data sheet */ + value = ATMEL_LCDC_FIFO_SIZE - (2 * ATMEL_LCDC_DMA_BURST_LEN + 3); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_FIFO, value); + + /* Toggle LCD_MODE every frame */ + lcdc_writel(panel_info.mmio, ATMEL_LCDC_MVAL, 0); + + /* Disable all interrupts */ + lcdc_writel(panel_info.mmio, ATMEL_LCDC_IDR, ~0UL); + + /* Set contrast */ + value = ATMEL_LCDC_PS_DIV8 | + ATMEL_LCDC_POL_POSITIVE | + ATMEL_LCDC_ENA_PWMENABLE; + lcdc_writel(panel_info.mmio, ATMEL_LCDC_CONTRAST_CTR, value); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_CONTRAST_VAL, ATMEL_LCDC_CVAL_DEFAULT); + + /* Set framebuffer DMA base address and pixel offset */ + lcdc_writel(panel_info.mmio, ATMEL_LCDC_DMABADDR1, (u_long)lcdbase); + + lcdc_writel(panel_info.mmio, ATMEL_LCDC_DMACON, ATMEL_LCDC_DMAEN); + lcdc_writel(panel_info.mmio, ATMEL_LCDC_PWRCON, + (1 << ATMEL_LCDC_GUARDT_OFFSET) | ATMEL_LCDC_PWR); +} + +ulong calc_fbsize (void) +{ + return ((panel_info.vl_col * panel_info.vl_row * + NBITS(panel_info.vl_bpix)) / 8) + PAGE_SIZE; +} diff --git a/include/asm-arm/arch-at91sam9/clk.h b/include/asm-arm/arch-at91sam9/clk.h index 86da9a6..7fd66c0 100644 --- a/include/asm-arm/arch-at91sam9/clk.h +++ b/include/asm-arm/arch-at91sam9/clk.h @@ -36,4 +36,10 @@ static inline unsigned long get_usart_clk_rate(unsigned int dev_id) return AT91_MASTER_CLOCK; }
+static inline unsigned long get_lcdc_clk_rate(unsigned int dev_id) +{ + return AT91_MASTER_CLOCK; +} + + #endif /* __ASM_ARM_ARCH_CLK_H__ */ diff --git a/include/atmel_lcdc.h b/include/atmel_lcdc.h new file mode 100644 index 0000000..73dd8f7 --- /dev/null +++ b/include/atmel_lcdc.h @@ -0,0 +1,177 @@ +/* + * Header file for AT91/AT32 LCD Controller + * + * Data structure and register user interface + * + * Copyright (C) 2007 Atmel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ATMEL_LCDC_H__ +#define __ATMEL_LCDC_H__ + +#define ATMEL_LCDC_DMABADDR1 0x00 +#define ATMEL_LCDC_DMABADDR2 0x04 +#define ATMEL_LCDC_DMAFRMPT1 0x08 +#define ATMEL_LCDC_DMAFRMPT2 0x0c +#define ATMEL_LCDC_DMAFRMADD1 0x10 +#define ATMEL_LCDC_DMAFRMADD2 0x14 + +#define ATMEL_LCDC_DMAFRMCFG 0x18 +#define ATMEL_LCDC_FRSIZE (0x7fffff << 0) +#define ATMEL_LCDC_BLENGTH_OFFSET 24 +#define ATMEL_LCDC_BLENGTH (0x7f << ATMEL_LCDC_BLENGTH_OFFSET) + +#define ATMEL_LCDC_DMACON 0x1c +#define ATMEL_LCDC_DMAEN (0x1 << 0) +#define ATMEL_LCDC_DMARST (0x1 << 1) +#define ATMEL_LCDC_DMABUSY (0x1 << 2) +#define ATMEL_LCDC_DMAUPDT (0x1 << 3) +#define ATMEL_LCDC_DMA2DEN (0x1 << 4) + +#define ATMEL_LCDC_DMA2DCFG 0x20 +#define ATMEL_LCDC_ADDRINC_OFFSET 0 +#define ATMEL_LCDC_ADDRINC (0xffff) +#define ATMEL_LCDC_PIXELOFF_OFFSET 24 +#define ATMEL_LCDC_PIXELOFF (0x1f << 24) + +#define ATMEL_LCDC_LCDCON1 0x0800 +#define ATMEL_LCDC_BYPASS (1 << 0) +#define ATMEL_LCDC_CLKVAL_OFFSET 12 +#define ATMEL_LCDC_CLKVAL (0x1ff << ATMEL_LCDC_CLKVAL_OFFSET) +#define ATMEL_LCDC_LINCNT (0x7ff << 21) + +#define ATMEL_LCDC_LCDCON2 0x0804 +#define ATMEL_LCDC_DISTYPE (3 << 0) +#define ATMEL_LCDC_DISTYPE_STNMONO (0 << 0) +#define ATMEL_LCDC_DISTYPE_STNCOLOR (1 << 0) +#define ATMEL_LCDC_DISTYPE_TFT (2 << 0) +#define ATMEL_LCDC_SCANMOD (1 << 2) +#define ATMEL_LCDC_SCANMOD_SINGLE (0 << 2) +#define ATMEL_LCDC_SCANMOD_DUAL (1 << 2) +#define ATMEL_LCDC_IFWIDTH (3 << 3) +#define ATMEL_LCDC_IFWIDTH_4 (0 << 3) +#define ATMEL_LCDC_IFWIDTH_8 (1 << 3) +#define ATMEL_LCDC_IFWIDTH_16 (2 << 3) +#define ATMEL_LCDC_PIXELSIZE (7 << 5) +#define ATMEL_LCDC_PIXELSIZE_1 (0 << 5) +#define ATMEL_LCDC_PIXELSIZE_2 (1 << 5) +#define ATMEL_LCDC_PIXELSIZE_4 (2 << 5) +#define ATMEL_LCDC_PIXELSIZE_8 (3 << 5) +#define ATMEL_LCDC_PIXELSIZE_16 (4 << 5) +#define ATMEL_LCDC_PIXELSIZE_24 (5 << 5) +#define ATMEL_LCDC_PIXELSIZE_32 (6 << 5) +#define ATMEL_LCDC_INVVD (1 << 8) +#define ATMEL_LCDC_INVVD_NORMAL (0 << 8) +#define ATMEL_LCDC_INVVD_INVERTED (1 << 8) +#define ATMEL_LCDC_INVFRAME (1 << 9 ) +#define ATMEL_LCDC_INVFRAME_NORMAL (0 << 9) +#define ATMEL_LCDC_INVFRAME_INVERTED (1 << 9) +#define ATMEL_LCDC_INVLINE (1 << 10) +#define ATMEL_LCDC_INVLINE_NORMAL (0 << 10) +#define ATMEL_LCDC_INVLINE_INVERTED (1 << 10) +#define ATMEL_LCDC_INVCLK (1 << 11) +#define ATMEL_LCDC_INVCLK_NORMAL (0 << 11) +#define ATMEL_LCDC_INVCLK_INVERTED (1 << 11) +#define ATMEL_LCDC_INVDVAL (1 << 12) +#define ATMEL_LCDC_INVDVAL_NORMAL (0 << 12) +#define ATMEL_LCDC_INVDVAL_INVERTED (1 << 12) +#define ATMEL_LCDC_CLKMOD (1 << 15) +#define ATMEL_LCDC_CLKMOD_ACTIVEDISPLAY (0 << 15) +#define ATMEL_LCDC_CLKMOD_ALWAYSACTIVE (1 << 15) +#define ATMEL_LCDC_MEMOR (1 << 31) +#define ATMEL_LCDC_MEMOR_BIG (0 << 31) +#define ATMEL_LCDC_MEMOR_LITTLE (1 << 31) + +#define ATMEL_LCDC_TIM1 0x0808 +#define ATMEL_LCDC_VFP (0xffU << 0) +#define ATMEL_LCDC_VBP_OFFSET 8 +#define ATMEL_LCDC_VBP (0xffU << ATMEL_LCDC_VBP_OFFSET) +#define ATMEL_LCDC_VPW_OFFSET 16 +#define ATMEL_LCDC_VPW (0x3fU << ATMEL_LCDC_VPW_OFFSET) +#define ATMEL_LCDC_VHDLY_OFFSET 24 +#define ATMEL_LCDC_VHDLY (0xfU << ATMEL_LCDC_VHDLY_OFFSET) + +#define ATMEL_LCDC_TIM2 0x080c +#define ATMEL_LCDC_HBP (0xffU << 0) +#define ATMEL_LCDC_HPW_OFFSET 8 +#define ATMEL_LCDC_HPW (0x3fU << ATMEL_LCDC_HPW_OFFSET) +#define ATMEL_LCDC_HFP_OFFSET 21 +#define ATMEL_LCDC_HFP (0x7ffU << ATMEL_LCDC_HFP_OFFSET) + +#define ATMEL_LCDC_LCDFRMCFG 0x0810 +#define ATMEL_LCDC_LINEVAL (0x7ff << 0) +#define ATMEL_LCDC_HOZVAL_OFFSET 21 +#define ATMEL_LCDC_HOZVAL (0x7ff << ATMEL_LCDC_HOZVAL_OFFSET) + +#define ATMEL_LCDC_FIFO 0x0814 +#define ATMEL_LCDC_FIFOTH (0xffff) + +#define ATMEL_LCDC_MVAL 0x0818 + +#define ATMEL_LCDC_DP1_2 0x081c +#define ATMEL_LCDC_DP4_7 0x0820 +#define ATMEL_LCDC_DP3_5 0x0824 +#define ATMEL_LCDC_DP2_3 0x0828 +#define ATMEL_LCDC_DP5_7 0x082c +#define ATMEL_LCDC_DP3_4 0x0830 +#define ATMEL_LCDC_DP4_5 0x0834 +#define ATMEL_LCDC_DP6_7 0x0838 +#define ATMEL_LCDC_DP1_2_VAL (0xff) +#define ATMEL_LCDC_DP4_7_VAL (0xfffffff) +#define ATMEL_LCDC_DP3_5_VAL (0xfffff) +#define ATMEL_LCDC_DP2_3_VAL (0xfff) +#define ATMEL_LCDC_DP5_7_VAL (0xfffffff) +#define ATMEL_LCDC_DP3_4_VAL (0xffff) +#define ATMEL_LCDC_DP4_5_VAL (0xfffff) +#define ATMEL_LCDC_DP6_7_VAL (0xfffffff) + +#define ATMEL_LCDC_PWRCON 0x083c +#define ATMEL_LCDC_PWR (1 << 0) +#define ATMEL_LCDC_GUARDT_OFFSET 1 +#define ATMEL_LCDC_GUARDT (0x7f << ATMEL_LCDC_GUARDT_OFFSET) +#define ATMEL_LCDC_BUSY (1 << 31) + +#define ATMEL_LCDC_CONTRAST_CTR 0x0840 +#define ATMEL_LCDC_PS (3 << 0) +#define ATMEL_LCDC_PS_DIV1 (0 << 0) +#define ATMEL_LCDC_PS_DIV2 (1 << 0) +#define ATMEL_LCDC_PS_DIV4 (2 << 0) +#define ATMEL_LCDC_PS_DIV8 (3 << 0) +#define ATMEL_LCDC_POL (1 << 2) +#define ATMEL_LCDC_POL_NEGATIVE (0 << 2) +#define ATMEL_LCDC_POL_POSITIVE (1 << 2) +#define ATMEL_LCDC_ENA (1 << 3) +#define ATMEL_LCDC_ENA_PWMDISABLE (0 << 3) +#define ATMEL_LCDC_ENA_PWMENABLE (1 << 3) + +#define ATMEL_LCDC_CONTRAST_VAL 0x0844 +#define ATMEL_LCDC_CVAL (0xff) + +#define ATMEL_LCDC_IER 0x0848 +#define ATMEL_LCDC_IDR 0x084c +#define ATMEL_LCDC_IMR 0x0850 +#define ATMEL_LCDC_ISR 0x0854 +#define ATMEL_LCDC_ICR 0x0858 +#define ATMEL_LCDC_LNI (1 << 0) +#define ATMEL_LCDC_LSTLNI (1 << 1) +#define ATMEL_LCDC_EOFI (1 << 2) +#define ATMEL_LCDC_UFLWI (1 << 4) +#define ATMEL_LCDC_OWRI (1 << 5) +#define ATMEL_LCDC_MERI (1 << 6) + +#define ATMEL_LCDC_LUT(n) (0x0c00 + ((n)*4)) + +#endif /* __ATMEL_LCDC_H__ */ diff --git a/include/lcd.h b/include/lcd.h index 8a4273c..44ac8ef 100644 --- a/include/lcd.h +++ b/include/lcd.h @@ -155,7 +155,35 @@ typedef struct vidinfo {
u_char vl_bpix; /* Bits per pixel, 0 = 1 */ } vidinfo_t; -#endif /* CONFIG_MPC823, CONFIG_PXA250 or CONFIG_MCC200 */ + +#elif defined(CONFIG_ATMEL_LCD) + +typedef struct vidinfo { + u_long vl_col; /* Number of columns (i.e. 640) */ + u_long vl_row; /* Number of rows (i.e. 480) */ + u_long vl_clk; /* pixel clock in ps */ + + /* LCD configuration register */ + u_long vl_sync; /* Horizontal / vertical sync */ + u_long vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */ + u_long vl_tft; /* 0 = passive, 1 = TFT */ + + /* Horizontal control register. */ + u_long vl_hsync_len; /* Length of horizontal sync */ + u_long vl_left_margin; /* Time from sync to picture */ + u_long vl_right_margin; /* Time from picture to sync */ + + /* Vertical control register. */ + u_long vl_vsync_len; /* Length of vertical sync */ + u_long vl_upper_margin; /* Time from sync to picture */ + u_long vl_lower_margin; /* Time from picture to sync */ + + u_long mmio; /* Memory mapped registers */ +} vidinfo_t; + +extern vidinfo_t panel_info; + +#endif /* CONFIG_MPC823, CONFIG_PXA250 or CONFIG_MCC200 or CONFIG_ATMEL_LCD */
/* Video functions */
diff --git a/lib_arm/board.c b/lib_arm/board.c index 0752877..265591b 100644 --- a/lib_arm/board.c +++ b/lib_arm/board.c @@ -121,6 +121,20 @@ void *sbrk (ptrdiff_t increment) return ((void *) old); }
+char *strmhz (char *buf, long hz) +{ + long l, n; + long m; + + n = hz / 1000000L; + l = sprintf (buf, "%ld", n); + m = (hz % 1000000L) / 1000L; + if (m != 0) + sprintf (buf + l, ".%03ld", m); + return (buf); +} + + /************************************************************************ * Coloured LED functionality ************************************************************************ @@ -325,16 +339,19 @@ void start_armboot (void) #endif /* CONFIG_VFD */
#ifdef CONFIG_LCD -# ifndef PAGE_SIZE -# define PAGE_SIZE 4096 -# endif - /* - * reserve memory for LCD display (always full pages) - */ - /* bss_end is defined in the board-specific linker script */ - addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); - size = lcd_setmem (addr); - gd->fb_base = addr; + /* board init may have inited fb_base */ + if (!gd->fb_base) { +# ifndef PAGE_SIZE +# define PAGE_SIZE 4096 +# endif + /* + * reserve memory for LCD display (always full pages) + */ + /* bss_end is defined in the board-specific linker script */ + addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); + size = lcd_setmem (addr); + gd->fb_base = addr; + } #endif /* CONFIG_LCD */
/* armboot_start is defined in the board-specific linker script */