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| author | Fabio Estevam <fabio.estevam@freescale.com> | 2013-05-10 09:14:09 +0000 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2013-05-16 17:44:46 +0200 |
| commit | 68661db2dcc9c9eeaab11ecc4b75275d0803b63b (patch) | |
| tree | 019e9b8c7b99615bfca3b917ade9a1daba5490e3 /board | |
| parent | 89a9fd5832aca6efc54c13fa1c30664c6ea02d51 (diff) | |
| download | u-boot-imx-68661db2dcc9c9eeaab11ecc4b75275d0803b63b.zip u-boot-imx-68661db2dcc9c9eeaab11ecc4b75275d0803b63b.tar.gz u-boot-imx-68661db2dcc9c9eeaab11ecc4b75275d0803b63b.tar.bz2 | |
mx28evk: Add splash screen support
Enable display support.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/mx28evk/iomux.c | 33 | ||||
| -rw-r--r-- | board/freescale/mx28evk/mx28evk.c | 6 |
2 files changed, 39 insertions, 0 deletions
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; } |