Signed-off-by: Pardeep Kumar Singla b45784@freescale.com --- board/freescale/mx6qsabresd/mx6qsabresd.c | 92 ++++++++++++++++++++++++++++- include/configs/mx6qsabre_common.h | 3 +- include/configs/mx6qsabresd.h | 13 ++++ 3 files changed, 106 insertions(+), 2 deletions(-)
diff --git a/board/freescale/mx6qsabresd/mx6qsabresd.c b/board/freescale/mx6qsabresd/mx6qsabresd.c index 2529826..301fd1b 100644 --- a/board/freescale/mx6qsabresd/mx6qsabresd.c +++ b/board/freescale/mx6qsabresd/mx6qsabresd.c @@ -31,6 +31,11 @@ #include <fsl_esdhc.h> #include <miiphy.h> #include <netdev.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/crm_regs.h> +#include <ipu_pixfmt.h> +#include <linux/fb.h> +#include <asm/arch/mxc_hdmi.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -133,6 +138,80 @@ static void setup_iomux_uart(void) imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); }
+#if defined(CONFIG_VIDEO_IPUV3) +static void enable_hdmi(void) +{ + struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR; + u8 reg; + reg = readb(&hdmi->phy_conf0); + reg |= HDMI_PHY_CONF0_PDZ_MASK; + writeb(reg, &hdmi->phy_conf0); + udelay(3000); + reg |= HDMI_PHY_CONF0_ENTMDS_MASK; + writeb(reg, &hdmi->phy_conf0); + udelay(3000); + reg |= HDMI_PHY_CONF0_GEN2_TXPWRON_MASK; + writeb(reg, &hdmi->phy_conf0); + writeb(HDMI_MC_PHYRSTZ_ASSERT, &hdmi->mc_phyrstz); +} + +static struct fb_videomode const hdmi = { + .name = "HDMI", + .refresh = 60, + .xres = 1024, + .yres = 768, + .pixclock = 15385, + .left_margin = 220, + .right_margin = 40, + .upper_margin = 21, + .lower_margin = 7, + .hsync_len = 60, + .vsync_len = 10, + .sync = FB_SYNC_EXT, + .vmode = FB_VMODE_NONINTERLACED +}; + +int board_video_skip(void) +{ + int ret; + ret = ipuv3_fb_init(&hdmi, 0, IPU_PIX_FMT_RGB24); + if (ret) + printf("HDMI cannot be configured: %d\n", ret); + enable_hdmi(); + return ret; +} + +static void setup_display(void) +{ + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR; + int reg; + + /* Turn on IPU clock */ + reg = readl(&mxc_ccm->CCGR3); + reg |= MXC_CCM_CCGR3_IPU1_IPU_DI0_OFFSET; + writel(reg, &mxc_ccm->CCGR3); + /* Turn on HDMI PHY clock */ + reg = readl(&mxc_ccm->CCGR2); + reg |= MXC_CCM_CCGR2_HDMI_TX_IAHBCLK_MASK| + MXC_CCM_CCGR2_HDMI_TX_ISFRCLK_MASK; + writel(reg, &mxc_ccm->CCGR2); + /* clear HDMI PHY reset */ + writeb(HDMI_MC_PHYRSTZ_DEASSERT, &hdmi->mc_phyrstz); + reg = readl(&mxc_ccm->chsccdr); + reg &= ~(MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_MASK| + MXC_CCM_CHSCCDR_IPU1_DI0_PODF_MASK| + MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK); + reg |= (CHSCCDR_CLK_SEL_LDB_DI0 + << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET)| + (CHSCCDR_PODF_DIVIDE_BY_3 + << MXC_CCM_CHSCCDR_IPU1_DI0_PODF_OFFSET) + | (CHSCCDR_IPU_PRE_CLK_540M_PFD + << MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_OFFSET); + writel(reg, &mxc_ccm->chsccdr); +} +#endif /* CONFIG_VIDEO_IPUV3 */ + #ifdef CONFIG_FSL_ESDHC struct fsl_esdhc_cfg usdhc_cfg[3] = { {USDHC2_BASE_ADDR}, @@ -257,10 +336,21 @@ int board_eth_init(bd_t *bis) int board_early_init_f(void) { setup_iomux_uart(); - +#if defined(CONFIG_VIDEO_IPUV3) + setup_display(); +#endif return 0; }
+/* + * Do not overwrite the console + * Use always serial for U-Boot console + */ +int overwrite_console(void) +{ + return 1; +} + int board_init(void) { /* address of boot parameters */ diff --git a/include/configs/mx6qsabre_common.h b/include/configs/mx6qsabre_common.h index bfaa420..438cb83 100644 --- a/include/configs/mx6qsabre_common.h +++ b/include/configs/mx6qsabre_common.h @@ -21,6 +21,7 @@ #define CONFIG_MX6Q
#include "mx6_common.h" +#include <asm/sizes.h>
#define CONFIG_DISPLAY_CPUINFO #define CONFIG_DISPLAY_BOARDINFO @@ -33,7 +34,7 @@ #define CONFIG_REVISION_TAG
/* Size of malloc() pool */ -#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 2 * 1024 * 1024) +#define CONFIG_SYS_MALLOC_LEN (10 * SZ_1M)
#define CONFIG_BOARD_EARLY_INIT_F #define CONFIG_BOARD_LATE_INIT diff --git a/include/configs/mx6qsabresd.h b/include/configs/mx6qsabresd.h index 44f07cb..5e561eb 100644 --- a/include/configs/mx6qsabresd.h +++ b/include/configs/mx6qsabresd.h @@ -26,6 +26,19 @@
#include "mx6qsabre_common.h"
+/* Framebuffer */ +#define CONFIG_VIDEO +#define CONFIG_VIDEO_IPUV3 +#define CONFIG_CFB_CONSOLE +#define CONFIG_VGA_AS_SINGLE_DEVICE +#define CONFIG_SYS_CONSOLE_IS_IN_ENV +#define CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE +#define CONFIG_VIDEO_BMP_RLE8 +#define CONFIG_SPLASH_SCREEN +#define CONFIG_BMP_16BPP +#define CONFIG_VIDEO_LOGO +#define CONFIG_IPUV3_CLK 260000000 + #define CONFIG_SYS_FSL_USDHC_NUM 3 #if defined(CONFIG_ENV_IS_IN_MMC) #define CONFIG_SYS_MMC_ENV_DEV 1 /* SDHC3 */