diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/Makefile | 1 | ||||
| -rw-r--r-- | drivers/video/mx2fb.c | 125 |
2 files changed, 126 insertions, 0 deletions
diff --git a/drivers/video/Makefile b/drivers/video/Makefile index bb6b5a0..c140312 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -28,6 +28,7 @@ LIB := $(obj)libvideo.a COBJS-$(CONFIG_ATI_RADEON_FB) += ati_radeon_fb.o COBJS-$(CONFIG_ATMEL_LCD) += atmel_lcdfb.o COBJS-$(CONFIG_CFB_CONSOLE) += cfb_console.o +COBJS-$(CONFIG_MXC2_LCD) += mx2fb.o COBJS-$(CONFIG_S6E63D6) += s6e63d6.o COBJS-$(CONFIG_VIDEO_CT69000) += ct69000.o COBJS-$(CONFIG_VIDEO_MB862xx) += mb862xx.o diff --git a/drivers/video/mx2fb.c b/drivers/video/mx2fb.c new file mode 100644 index 0000000..35d1e00 --- /dev/null +++ b/drivers/video/mx2fb.c @@ -0,0 +1,125 @@ +/* + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * + * Configuration settings for the MX53-EVK Freescale board. + * + * 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 <lcd.h> +#include <asm/arch/mx25-regs.h> +#include <asm/io.h> +#include <asm/errno.h> +#include <asm/errno.h> +#include <mx2fb.h> + +DECLARE_GLOBAL_DATA_PTR; + +void *lcd_base; /* Start of framebuffer memory */ +void *lcd_console_address; /* Start of console buffer */ + +int lcd_line_length; +int lcd_color_fg; +int lcd_color_bg; + +short console_col; +short console_row; + + +void lcd_initcolregs(void) +{ +} + +void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue) +{ +} + +void lcd_enable(void) +{ +} + +void lcd_disable(void) +{ +} + +void lcd_panel_disable(void) +{ +} + +void lcd_ctrl_init(void *lcdbase) +{ + u32 ccm_ipg_cg, pcr; + + /* LSSAR */ + writel(gd->fb_base, LCDC_BASE + 0x00); + /* LSR = x << 20 + y */ + writel(((panel_info.vl_col >> 4) << 20) + panel_info.vl_row, + LCDC_BASE + 0x04); + /* LVPWR = x_res * 2 / 2 */ + writel(panel_info.vl_col / 2, LCDC_BASE + 0x08); + /* LPCR = To be fixed using Linux BSP Value for now */ + switch (panel_info.vl_bpix) { + /* bpix = 4 (16bpp) */ + case 4: + pcr = LCDC_LPCR | (0x5 << 25); + break; + default: + pcr = LCDC_LPCR; + break; + } + + pcr |= (panel_info.vl_sync & FB_SYNC_CLK_LAT_FALL) ? 0x00200000 : 0; + pcr |= (panel_info.vl_sync & FB_SYNC_DATA_INVERT) ? 0x01000000 : 0; + pcr |= (panel_info.vl_sync & FB_SYNC_SHARP_MODE) ? 0x00000040 : 0; + pcr |= (panel_info.vl_sync & FB_SYNC_OE_LOW_ACT) ? 0x00100000 : 0; + + pcr |= LCDC_LPCR_PCD; + + writel(pcr, LCDC_BASE + 0x18); + /* LHCR = H Pulse width, Right and Left Margins */ + writel(((panel_info.vl_hsync - 1) << 26) + \ + ((panel_info.vl_right_margin - 1) << 8) + \ + (panel_info.vl_left_margin - 3), + LCDC_BASE + 0x1c); + /* LVCR = V Pulse width, lower and upper margins */ + writel((panel_info.vl_vsync << 26) + \ + (panel_info.vl_lower_margin << 8) + \ + (panel_info.vl_upper_margin), + LCDC_BASE + 0x20); + /* LSCR */ + writel(LCDC_LSCR, LCDC_BASE + 0x28); + /* LRMCR */ + writel(LCDC_LRMCR, LCDC_BASE + 0x34); + /* LDCR */ + writel(LCDC_LDCR, LCDC_BASE + 0x30); + /* LPCCR = PWM */ + writel(LCDC_LPCCR, LCDC_BASE + 0x2c); + + /* On and off clock gating */ + ccm_ipg_cg = readl(CCM_BASE + 0x10); + + writel(ccm_ipg_cg&0xDFFFFFFF, CCM_BASE + 0x10); + writel(ccm_ipg_cg|0x20000000, CCM_BASE + 0x10); +} + +ulong calc_fbsize(void) +{ + return panel_info.vl_row * panel_info.vl_col * 2 \ + * NBITS(panel_info.vl_bpix) / 8; +} + + |