leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

wandboard: Enable HDMI splashscreen

Browse Source 
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
This commit is contained in:
Fabio Estevam 2013-05-23 07:50:23 +00:00 committed by Stefano Babic
parent 96903dae0e
commit 7bcb983feb
2 changed files with 112 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

98
board/wandboard/wandboard.c
View File

@ -10,9 +10,11 @@
*/
#include <asm/arch/clock.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/iomux.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/mx6-pins.h>
#include <asm/arch/mxc_hdmi.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#include <asm/imx-common/iomux-v3.h>
@ -21,9 +23,11 @@
#include <asm/sizes.h>
#include <common.h>
#include <fsl_esdhc.h>
#include <ipu_pixfmt.h>
#include <mmc.h>
#include <miiphy.h>
#include <netdev.h>
#include <linux/fb.h>
DECLARE_GLOBAL_DATA_PTR;
@ -206,6 +210,88 @@ int board_phy_config(struct phy_device *phydev)
return 0;
}
#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 */
int board_eth_init(bd_t *bis)
{
int ret;
@ -222,9 +308,21 @@ 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;
}
#ifdef CONFIG_CMD_BMODE
static const struct boot_mode board_boot_modes[] = {
/* 4 bit bus width */

15
include/configs/wandboard.h
View File

@ -29,7 +29,7 @@
#define CONFIG_REVISION_TAG
/* Size of malloc() pool */
#define CONFIG_SYS_MALLOC_LEN (3 * SZ_1M)
#define CONFIG_SYS_MALLOC_LEN (10 * SZ_1M)
#define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_BOARD_LATE_INIT
@ -86,6 +86,19 @@
#define CONFIG_PHYLIB
#define CONFIG_PHY_ATHEROS
/* 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
#if defined(CONFIG_MX6DL)
#define CONFIG_DEFAULT_FDT_FILE "imx6dl-wandboard.dtb"
#elif defined(CONFIG_MX6S)