[U-Boot] [PATCH 2/3] mx23evk: Add splash screen support

Fabio Estevam
2013-05-10T19:14:10Z

From: Fabio Estevam <fabio.estevam@freescale.com>

Enable display support.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
board/freescale/mx23evk/mx23evk.c | 6 ++++++
board/freescale/mx23evk/spl_boot.c | 32 ++++++++++++++++++++++++++++++++
include/configs/mx23evk.h | 17 +++++++++++++++++
3 files changed, 55 insertions(+)

diff --git a/board/freescale/mx23evk/mx23evk.c b/board/freescale/mx23evk/mx23evk.c
index 41ba303..19a631e 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 6be8c8d..4d2ce85 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)
diff --git a/include/configs/mx23evk.h b/include/configs/mx23evk.h
index e5a15a4..3a58afe 100644
--- a/include/configs/mx23evk.h
+++ b/include/configs/mx23evk.h
@@ -60,6 +60,7 @@
#define CONFIG_CMD_MMC
#define CONFIG_CMD_USB
#define CONFIG_CMD_BOOTZ
+#define CONFIG_VIDEO

/* Memory configurations */
#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
@@ -133,6 +134,22 @@
#define CONFIG_USB_STORAGE
#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
--
1.7.9.5