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https://github.com/brain-hackers/u-boot-brain
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17c5ef2007
Add support for the Seiko 4.3'' WVGA panel on mx53loco. By default, the CLAA WVGA panel is selected. In order to support the Seiko panel, the enviroment variable 'panel' must be set to 'seiko'. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
127 lines
4.1 KiB
C
127 lines
4.1 KiB
C
/*
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* Copyright (C) 2012 Freescale Semiconductor, Inc.
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* Fabio Estevam <fabio.estevam@freescale.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <linux/list.h>
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#include <asm/gpio.h>
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#include <asm/arch/iomux.h>
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#include <linux/fb.h>
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#include <ipu_pixfmt.h>
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#define MX53LOCO_LCD_POWER IMX_GPIO_NR(3, 24)
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static struct fb_videomode const claa_wvga = {
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.name = "CLAA07LC0ACW",
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.refresh = 57,
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.xres = 800,
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.yres = 480,
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.pixclock = 37037,
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.left_margin = 40,
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.right_margin = 60,
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.upper_margin = 10,
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.lower_margin = 10,
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.hsync_len = 20,
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.vsync_len = 10,
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.sync = 0,
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.vmode = FB_VMODE_NONINTERLACED
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};
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static struct fb_videomode const seiko_wvga = {
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.name = "Seiko-43WVF1G",
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.refresh = 60,
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.xres = 800,
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.yres = 480,
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.pixclock = 29851, /* picosecond (33.5 MHz) */
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.left_margin = 89,
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.right_margin = 164,
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.upper_margin = 23,
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.lower_margin = 10,
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.hsync_len = 10,
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.vsync_len = 10,
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.sync = 0,
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};
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void setup_iomux_lcd(void)
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{
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mxc_request_iomux(MX53_PIN_DI0_DISP_CLK, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DI0_PIN15, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DI0_PIN2, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DI0_PIN3, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT0, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT1, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT2, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT3, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT4, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT5, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT6, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT7, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT8, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT9, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT10, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT11, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT12, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT13, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT14, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT15, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT16, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT17, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT18, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT19, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT20, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT21, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT22, IOMUX_CONFIG_ALT0);
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mxc_request_iomux(MX53_PIN_DISP0_DAT23, IOMUX_CONFIG_ALT0);
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/* Turn on GPIO backlight */
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mxc_request_iomux(MX53_PIN_EIM_D24, IOMUX_CONFIG_ALT1);
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gpio_direction_output(MX53LOCO_LCD_POWER, 1);
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/* Turn on display contrast */
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mxc_request_iomux(MX53_PIN_GPIO_1, IOMUX_CONFIG_ALT1);
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gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_1), 1);
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}
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int board_video_skip(void)
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{
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int ret;
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char const *e = getenv("panel");
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if (e) {
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if (strcmp(e, "seiko") == 0) {
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ret = ipuv3_fb_init(&seiko_wvga, 0, IPU_PIX_FMT_RGB24);
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if (ret)
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printf("Seiko cannot be configured: %d\n", ret);
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return ret;
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}
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}
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/*
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* 'panel' env variable not found or has different value than 'seiko'
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* Defaulting to claa lcd.
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*/
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ret = ipuv3_fb_init(&claa_wvga, 0, IPU_PIX_FMT_RGB565);
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if (ret)
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printf("CLAA cannot be configured: %d\n", ret);
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return ret;
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}
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