From 68661db2dcc9c9eeaab11ecc4b75275d0803b63b Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Fri, 10 May 2013 09:14:09 +0000 Subject: [PATCH] mx28evk: Add splash screen support Enable display support. Signed-off-by: Fabio Estevam --- board/freescale/mx28evk/iomux.c | 33 +++++++++++++++++++++++++++++++++ board/freescale/mx28evk/mx28evk.c | 6 ++++++ include/configs/mx28evk.h | 17 +++++++++++++++++ 3 files changed, 56 insertions(+) diff --git a/board/freescale/mx28evk/iomux.c b/board/freescale/mx28evk/iomux.c index ae6eda3..beae0e6 100644 --- a/board/freescale/mx28evk/iomux.c +++ b/board/freescale/mx28evk/iomux.c @@ -30,6 +30,7 @@ #define MUX_CONFIG_ENET (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP) #define MUX_CONFIG_EMI (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL) #define MUX_CONFIG_SSP2 (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP) +#define MUX_CONFIG_LCD (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL) const iomux_cfg_t iomux_setup[] = { /* DUART */ @@ -162,6 +163,38 @@ const iomux_cfg_t iomux_setup[] = { /* I2C */ MX28_PAD_I2C0_SCL__I2C0_SCL, MX28_PAD_I2C0_SDA__I2C0_SDA, + + /* LCD */ + MX28_PAD_LCD_D00__LCD_D0 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D01__LCD_D1 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D02__LCD_D2 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D03__LCD_D3 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D04__LCD_D4 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D05__LCD_D5 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D06__LCD_D6 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D07__LCD_D7 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D08__LCD_D8 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D09__LCD_D9 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D10__LCD_D10 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D11__LCD_D11 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D12__LCD_D12 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D13__LCD_D13 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D14__LCD_D14 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D15__LCD_D15 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D16__LCD_D16 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D17__LCD_D17 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D18__LCD_D18 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D19__LCD_D19 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D20__LCD_D20 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D21__LCD_D21 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D22__LCD_D22 | MUX_CONFIG_LCD, + MX28_PAD_LCD_D23__LCD_D23 | MUX_CONFIG_LCD, + MX28_PAD_LCD_RD_E__LCD_VSYNC | MUX_CONFIG_LCD, + MX28_PAD_LCD_WR_RWN__LCD_HSYNC | MUX_CONFIG_LCD, + MX28_PAD_LCD_RS__LCD_DOTCLK | MUX_CONFIG_LCD, + MX28_PAD_LCD_CS__LCD_ENABLE | MUX_CONFIG_LCD, + MX28_PAD_LCD_RESET__GPIO_3_30 | MUX_CONFIG_LCD, /* LCD power */ + MX28_PAD_PWM2__GPIO_3_18 | MUX_CONFIG_LCD, /* LCD contrast */ }; #define HW_DRAM_CTL29 (0x74 >> 2) diff --git a/board/freescale/mx28evk/mx28evk.c b/board/freescale/mx28evk/mx28evk.c index de7231b..4edd9f4 100644 --- a/board/freescale/mx28evk/mx28evk.c +++ b/board/freescale/mx28evk/mx28evk.c @@ -59,6 +59,12 @@ int board_early_init_f(void) gpio_direction_output(MX28_PAD_AUART2_RX__GPIO_3_8, 1); #endif + /* Power on LCD */ + gpio_direction_output(MX28_PAD_LCD_RESET__GPIO_3_30, 1); + + /* Set contrast to maximum */ + gpio_direction_output(MX28_PAD_PWM2__GPIO_3_18, 1); + return 0; } diff --git a/include/configs/mx28evk.h b/include/configs/mx28evk.h index 54d01f9..de69182 100644 --- a/include/configs/mx28evk.h +++ b/include/configs/mx28evk.h @@ -64,6 +64,7 @@ #define CONFIG_CMD_BOOTZ #define CONFIG_CMD_NAND #define CONFIG_CMD_NAND_TRIMFFS +#define CONFIG_VIDEO /* Memory configurations */ #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ @@ -235,6 +236,22 @@ #endif #endif +/* Framebuffer support */ +#ifdef CONFIG_VIDEO +#define CONFIG_CFB_CONSOLE +#define CONFIG_VIDEO_MXS +#define CONFIG_VIDEO_LOGO +#define CONFIG_VIDEO_SW_CURSOR +#define CONFIG_VGA_AS_SINGLE_DEVICE +#define CONFIG_SYS_CONSOLE_IS_IN_ENV +#define CONFIG_SPLASH_SCREEN +#define CONFIG_CMD_BMP +#define CONFIG_BMP_16BPP +#define CONFIG_VIDEO_BMP_RLE8 +#define CONFIG_VIDEO_BMP_GZIP +#define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE (512 << 10) +#endif + /* Boot Linux */ #define CONFIG_CMDLINE_TAG #define CONFIG_SETUP_MEMORY_TAGS -- 2.7.4