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authorPardeep Kumar Singla <b45784@freescale.com>2013-07-25 12:12:13 -0500
committerStefano Babic <sbabic@denx.de>2013-07-27 10:49:36 +0200
commit5ea7f0e328c19542ce96d8242125b51b3dbca86b (patch)
tree1f80f394227a73e7760c48cf3cfefb5516cb1eba /board/wandboard/wandboard.c
parentf8b1e86d4707718e52cf6466845e463c358627ee (diff)
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mx6: Factor out common HDMI setup code
Instead of duplicating HDMI setup code for every mx6 board, factor out the common code Signed-off-by: Pardeep Kumar Singla <b45784@freescale.com> Acked-By: Eric Nelson <eric.nelson@boundarydevices.com>
Diffstat (limited to 'board/wandboard/wandboard.c')
-rw-r--r--board/wandboard/wandboard.c44
1 files changed, 4 insertions, 40 deletions
diff --git a/board/wandboard/wandboard.c b/board/wandboard/wandboard.c
index 43c02ac..6cd28ed 100644
--- a/board/wandboard/wandboard.c
+++ b/board/wandboard/wandboard.c
@@ -211,23 +211,6 @@ int board_phy_config(struct phy_device *phydev)
}
#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,
@@ -253,7 +236,7 @@ int board_video_skip(void)
if (ret)
printf("HDMI cannot be configured: %d\n", ret);
- enable_hdmi();
+ imx_enable_hdmi_phy();
return ret;
}
@@ -261,33 +244,14 @@ int board_video_skip(void)
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);
+ enable_ipu_clock();
+ imx_setup_hdmi();
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);
+ << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
writel(reg, &mxc_ccm->chsccdr);
}
#endif /* CONFIG_VIDEO_IPUV3 */