From 3c8910116ca2076c9808b79fcb9aaee465392356 Mon Sep 17 00:00:00 2001 From: Stefano Babic Date: Tue, 4 Oct 2011 23:43:37 +0000 Subject: Davinci: ea20: added video support Signed-off-by: Stefano Babic Cc: Anatolij Gustschin CC: Sandeep Paulraj Acked-by: Anatolij Gustschin Signed-off-by: Sandeep Paulraj --- board/davinci/ea20/ea20.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) (limited to 'board') diff --git a/board/davinci/ea20/ea20.c b/board/davinci/ea20/ea20.c index c28d8df6ef..d581cddcf9 100644 --- a/board/davinci/ea20/ea20.c +++ b/board/davinci/ea20/ea20.c @@ -36,11 +36,27 @@ #include #include #include +#include DECLARE_GLOBAL_DATA_PTR; #define pinmux(x) (&davinci_syscfg_regs->pinmux[x]) +static const struct da8xx_panel lcd_panel = { + /* Casio COM57H531x */ + .name = "Casio_COM57H531x", + .width = 640, + .height = 480, + .hfp = 12, + .hbp = 144, + .hsw = 30, + .vfp = 10, + .vbp = 35, + .vsw = 3, + .pxl_clk = 25000000, + .invert_pxl_clk = 0, +}; + /* SPI0 pin muxer settings */ static const struct pinmux_config spi1_pins[] = { { pinmux(5), 1, 1 }, @@ -100,6 +116,29 @@ const struct pinmux_config gpio_pins[] = { { pinmux(14), 8, 1 } /* GPIO6[6] LCD_B_PWR*/ }; +const struct pinmux_config lcd_pins[] = { + { pinmux(17), 2, 1 }, /* LCD_D_0 */ + { pinmux(17), 2, 0 }, /* LCD_D_1 */ + { pinmux(16), 2, 7 }, /* LCD_D_2 */ + { pinmux(16), 2, 6 }, /* LCD_D_3 */ + { pinmux(16), 2, 5 }, /* LCD_D_4 */ + { pinmux(16), 2, 4 }, /* LCD_D_5 */ + { pinmux(16), 2, 3 }, /* LCD_D_6 */ + { pinmux(16), 2, 2 }, /* LCD_D_7 */ + { pinmux(18), 2, 1 }, /* LCD_D_8 */ + { pinmux(18), 2, 0 }, /* LCD_D_9 */ + { pinmux(17), 2, 7 }, /* LCD_D_10 */ + { pinmux(17), 2, 6 }, /* LCD_D_11 */ + { pinmux(17), 2, 5 }, /* LCD_D_12 */ + { pinmux(17), 2, 4 }, /* LCD_D_13 */ + { pinmux(17), 2, 3 }, /* LCD_D_14 */ + { pinmux(17), 2, 2 }, /* LCD_D_15 */ + { pinmux(18), 2, 6 }, /* LCD_PCLK */ + { pinmux(19), 2, 0 }, /* LCD_HSYNC */ + { pinmux(19), 2, 1 }, /* LCD_VSYNC */ + { pinmux(19), 2, 6 }, /* DA850_NLCD_AC_ENB_CS */ +}; + const struct pinmux_config halten_pin[] = { { pinmux(3), 4, 2 } /* GPIO8[6] HALTEN */ }; @@ -112,6 +151,9 @@ static const struct pinmux_resource pinmuxes[] = { #ifdef CONFIG_NAND_DAVINCI PINMUX_ITEM(nand_pins), #endif +#ifdef CONFIG_VIDEO + PINMUX_ITEM(lcd_pins), +#endif }; static const struct lpsc_resource lpsc[] = { @@ -120,6 +162,7 @@ static const struct lpsc_resource lpsc[] = { { DAVINCI_LPSC_EMAC }, /* image download */ { DAVINCI_LPSC_UART0 }, /* console */ { DAVINCI_LPSC_GPIO }, + { DAVINCI_LPSC_LCDC }, /* LCD */ }; int board_early_init_f(void) @@ -208,6 +251,21 @@ int board_early_init_f(void) DAVINCI_UART_PWREMU_MGMT_UTRST), &davinci_uart0_ctrl_regs->pwremu_mgmt); + /* + * Reconfigure the LCDC priority to the highest to ensure that + * the throughput/latency requirements for the LCDC are met. + */ + writel(readl(&davinci_syscfg_regs->mstpri[2]) & 0x0fffffff, + &davinci_syscfg_regs->mstpri[2]); + + /* Set LCD_B_PWR low to power up LCD Backlight*/ + writel((readl(&gpio6_base->set_data) | (1 << 6)), + &gpio6_base->set_data); + + /* Set DISP_ON low to disable LCD output*/ + writel((readl(&gpio6_base->set_data) | (1 << 1)), + &gpio6_base->set_data); + return 0; } @@ -219,6 +277,8 @@ int board_init(void) /* address of boot parameters */ gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR; + da8xx_video_init(&lcd_panel, 16); + return 0; } @@ -238,6 +298,8 @@ int board_late_init(void) &gpio8_base->set_data); writel((readl(&gpio8_base->dir) & ~(1 << 6)), &gpio8_base->dir); + setenv("stdout", "serial"); + return 0; } #endif /* BOARD_LATE_INIT */ -- cgit v1.2.1