mx53loco: Add LCD support

[platform/kernel/u-boot.git] / board / freescale / mx53loco / mx53loco.c

diff --git a/board/freescale/mx53loco/mx53loco.c b/board/freescale/mx53loco/mx53loco.c
index a49b00a..d8e027c 100644 (file)
--- a/board/freescale/mx53loco/mx53loco.c
+++ b/board/freescale/mx53loco/mx53loco.c
@@ -39,6 +39,10 @@
 #include <pmic.h>
 #include <dialog_pmic.h>
 #include <fsl_pmic.h>
+#include <linux/fb.h>
+#include <ipu_pixfmt.h>
+
+#define MX53LOCO_LCD_POWER             (2 * 32 + 24)   /* GPIO3_24 */
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -62,6 +66,18 @@ void dram_init_banksize(void)
        gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
 }
 
+u32 get_board_rev(void)
+{
+       struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
+       struct fuse_bank *bank = &iim->bank[0];
+       struct fuse_bank0_regs *fuse =
+               (struct fuse_bank0_regs *)bank->fuse_regs;
+
+       int rev = readl(&fuse->gp[6]);
+
+       return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
+}
+
 static void setup_iomux_uart(void)
 {
        /* UART1 RXD */
@@ -85,10 +101,9 @@ static void setup_iomux_uart(void)
 #ifdef CONFIG_USB_EHCI_MX5
 int board_ehci_hcd_init(int port)
 {
-       /* request VBUS power enable pin, GPIO[8}, gpio7 */
+       /* request VBUS power enable pin, GPIO7_8 */
        mxc_request_iomux(MX53_PIN_ATA_DA_2, IOMUX_CONFIG_ALT1);
-       gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_2), 0);
-       gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_2), 1);
+       gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_2), 1);
        return 0;
 }
 #endif
@@ -391,10 +406,74 @@ static void clock_1GHz(void)
                printf("CPU:   Switch DDR clock to 400MHz failed\n");
 }
 
+static struct fb_videomode claa_wvga = {
+       .name           = "CLAA07LC0ACW",
+       .refresh        = 57,
+       .xres           = 800,
+       .yres           = 480,
+       .pixclock       = 37037,
+       .left_margin    = 40,
+       .right_margin   = 60,
+       .upper_margin   = 10,
+       .lower_margin   = 10,
+       .hsync_len      = 20,
+       .vsync_len      = 10,
+       .sync           = 0,
+       .vmode          = FB_VMODE_NONINTERLACED
+};
+
+void lcd_iomux(void)
+{
+       mxc_request_iomux(MX53_PIN_DI0_DISP_CLK, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DI0_PIN15, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DI0_PIN2, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DI0_PIN3, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT0, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT1, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT2, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT3, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT4, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT5, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT6, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT7, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT8, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT9, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT10, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT11, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT12, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT13, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT14, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT15, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT16, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT17, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT18, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT19, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT20, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT21, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT22, IOMUX_CONFIG_ALT0);
+       mxc_request_iomux(MX53_PIN_DISP0_DAT23, IOMUX_CONFIG_ALT0);
+
+       /* Turn on GPIO backlight */
+       mxc_request_iomux(MX53_PIN_EIM_D24, IOMUX_CONFIG_ALT1);
+       gpio_direction_output(MX53LOCO_LCD_POWER, 1);
+
+       /* Turn on display contrast */
+       mxc_request_iomux(MX53_PIN_GPIO_1, IOMUX_CONFIG_ALT1);
+       gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_1), 1);
+}
+
+void lcd_enable(void)
+{
+       int ret = ipuv3_fb_init(&claa_wvga, 0, IPU_PIX_FMT_RGB565);
+       if (ret)
+               printf("LCD cannot be configured: %d\n", ret);
+}
+
 int board_early_init_f(void)
 {
        setup_iomux_uart();
        setup_iomux_fec();
+       lcd_iomux();
 
        return 0;
 }
@@ -421,6 +500,8 @@ int board_late_init(void)
                clock_1GHz();
        print_cpuinfo();
 
+       setenv("stdout", "serial");
+
        return 0;
 }
 #endif
@@ -431,6 +512,8 @@ int board_init(void)
 
        mxc_set_sata_internal_clock();
 
+       lcd_enable();
+
        return 0;
 }