From eadfc135d3df76620cfef5e6928d64fb8874c665 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Fri, 10 May 2013 09:14:10 +0000 Subject: mx23evk: Add splash screen support Enable display support. Signed-off-by: Fabio Estevam --- board/freescale/mx23evk/mx23evk.c | 6 ++++++ board/freescale/mx23evk/spl_boot.c | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 38 insertions(+) (limited to 'board/freescale/mx23evk') diff --git a/board/freescale/mx23evk/mx23evk.c b/board/freescale/mx23evk/mx23evk.c index 41ba303ec4..d25e2b37ce 100644 --- a/board/freescale/mx23evk/mx23evk.c +++ b/board/freescale/mx23evk/mx23evk.c @@ -43,6 +43,12 @@ int board_early_init_f(void) /* SSP0 clock at 96MHz */ mxs_set_sspclk(MXC_SSPCLK0, 96000, 0); + /* Power on LCD */ + gpio_direction_output(MX23_PAD_LCD_RESET__GPIO_1_18, 1); + + /* Set contrast to maximum */ + gpio_direction_output(MX23_PAD_PWM2__GPIO_1_28, 1); + return 0; } diff --git a/board/freescale/mx23evk/spl_boot.c b/board/freescale/mx23evk/spl_boot.c index 6be8c8d9d0..fd71f7dc1b 100644 --- a/board/freescale/mx23evk/spl_boot.c +++ b/board/freescale/mx23evk/spl_boot.c @@ -27,6 +27,7 @@ #define MUX_CONFIG_SSP1 (MXS_PAD_8MA | MXS_PAD_PULLUP) #define MUX_CONFIG_EMI (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_PULLUP) +#define MUX_CONFIG_LCD (MXS_PAD_4MA | MXS_PAD_NOPULL) const iomux_cfg_t iomux_setup[] = { /* DUART */ @@ -96,6 +97,37 @@ const iomux_cfg_t iomux_setup[] = { /* Slot Power Enable */ MX23_PAD_PWM3__GPIO_1_29 | (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), + /* LCD */ + MX23_PAD_LCD_D00__LCD_D00 | MUX_CONFIG_LCD, + MX23_PAD_LCD_D01__LCD_D01 | MUX_CONFIG_LCD, + MX23_PAD_LCD_D02__LCD_D02 | MUX_CONFIG_LCD, + MX23_PAD_LCD_D03__LCD_D03 | MUX_CONFIG_LCD, + MX23_PAD_LCD_D04__LCD_D04 | MUX_CONFIG_LCD, + MX23_PAD_LCD_D05__LCD_D05 | MUX_CONFIG_LCD, + MX23_PAD_LCD_D06__LCD_D06 | MUX_CONFIG_LCD, + MX23_PAD_LCD_D07__LCD_D07 | MUX_CONFIG_LCD, + MX23_PAD_LCD_D08__LCD_D08 | MUX_CONFIG_LCD, + MX23_PAD_LCD_D09__LCD_D09 | MUX_CONFIG_LCD, + MX23_PAD_LCD_D10__LCD_D10 | MUX_CONFIG_LCD, + MX23_PAD_LCD_D11__LCD_D11 | MUX_CONFIG_LCD, + MX23_PAD_LCD_D12__LCD_D12 | MUX_CONFIG_LCD, + MX23_PAD_LCD_D13__LCD_D13 | MUX_CONFIG_LCD, + MX23_PAD_LCD_D14__LCD_D14 | MUX_CONFIG_LCD, + MX23_PAD_LCD_D15__LCD_D15 | MUX_CONFIG_LCD, + MX23_PAD_LCD_D16__LCD_D16 | MUX_CONFIG_LCD, + MX23_PAD_LCD_D17__LCD_D17 | MUX_CONFIG_LCD, + MX23_PAD_GPMI_D08__LCD_D18 | MUX_CONFIG_LCD, + MX23_PAD_GPMI_D09__LCD_D19 | MUX_CONFIG_LCD, + MX23_PAD_GPMI_D10__LCD_D20 | MUX_CONFIG_LCD, + MX23_PAD_GPMI_D11__LCD_D21 | MUX_CONFIG_LCD, + MX23_PAD_GPMI_D12__LCD_D22 | MUX_CONFIG_LCD, + MX23_PAD_GPMI_D13__LCD_D23 | MUX_CONFIG_LCD, + MX23_PAD_LCD_DOTCK__LCD_DOTCK | MUX_CONFIG_LCD, + MX23_PAD_LCD_ENABLE__LCD_ENABLE | MUX_CONFIG_LCD, + MX23_PAD_LCD_HSYNC__LCD_HSYNC | MUX_CONFIG_LCD, + MX23_PAD_LCD_VSYNC__LCD_VSYNC | MUX_CONFIG_LCD, + MX23_PAD_LCD_RESET__GPIO_1_18 | MUX_CONFIG_LCD, /* LCD power */ + MX23_PAD_PWM2__GPIO_1_28 | MUX_CONFIG_LCD, /* LCD contrast */ }; #define HW_DRAM_CTL14 (0x38 >> 2) -- cgit v1.2.3