diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/clock.c | 8 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 43 | ||||
| -rw-r--r-- | arch/arm/imx-common/cmd_hdmidet.c | 3 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-mx6/clock.h | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-mx6/mxc_hdmi.h | 8 |
5 files changed, 61 insertions, 3 deletions
diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index 3bdb553ffb..7efb0d209a 100644 --- a/arch/arm/cpu/armv7/mx6/clock.c +++ b/arch/arm/cpu/armv7/mx6/clock.c @@ -452,6 +452,14 @@ int do_mx6_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 0; } +void enable_ipu_clock(void) +{ + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + int reg; + reg = readl(&mxc_ccm->CCGR3); + reg |= MXC_CCM_CCGR3_IPU1_IPU_DI0_OFFSET; + writel(reg, &mxc_ccm->CCGR3); +} /***************************************************/ U_BOOT_CMD( diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index 32572eea6a..8150bffb8c 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -16,6 +16,8 @@ #include <asm/imx-common/boot_mode.h> #include <asm/imx-common/dma.h> #include <stdbool.h> +#include <asm/arch/mxc_hdmi.h> +#include <asm/arch/crm_regs.h> struct scu_regs { u32 ctrl; @@ -212,3 +214,44 @@ const struct boot_mode soc_boot_modes[] = { void s_init(void) { } + +#ifdef CONFIG_IMX_HDMI +void imx_enable_hdmi_phy(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); +} + +void imx_setup_hdmi(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 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); + 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_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 diff --git a/arch/arm/imx-common/cmd_hdmidet.c b/arch/arm/imx-common/cmd_hdmidet.c index d6ec7c4691..e9fd9553cf 100644 --- a/arch/arm/imx-common/cmd_hdmidet.c +++ b/arch/arm/imx-common/cmd_hdmidet.c @@ -11,8 +11,7 @@ static int do_hdmidet(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR; - u8 reg = readb(&hdmi->phy_stat0) & HDMI_PHY_HPD; - return (reg&HDMI_PHY_HPD) ? 0 : 1; + return (readb(&hdmi->phy_stat0) & HDMI_DVI_STAT) ? 0 : 1; } U_BOOT_CMD(hdmidet, 1, 1, do_hdmidet, diff --git a/arch/arm/include/asm/arch-mx6/clock.h b/arch/arm/include/asm/arch-mx6/clock.h index 21a4fbb59a..c49368765b 100644 --- a/arch/arm/include/asm/arch-mx6/clock.h +++ b/arch/arm/include/asm/arch-mx6/clock.h @@ -49,5 +49,5 @@ void enable_ocotp_clk(unsigned char enable); void enable_usboh3_clk(unsigned char enable); int enable_sata_clock(void); int enable_i2c_clk(unsigned char enable, unsigned i2c_num); - +void enable_ipu_clock(void); #endif /* __ASM_ARCH_CLOCK_H */ diff --git a/arch/arm/include/asm/arch-mx6/mxc_hdmi.h b/arch/arm/include/asm/arch-mx6/mxc_hdmi.h index 561e8ff82a..e5e3eff596 100644 --- a/arch/arm/include/asm/arch-mx6/mxc_hdmi.h +++ b/arch/arm/include/asm/arch-mx6/mxc_hdmi.h @@ -9,6 +9,11 @@ #ifndef __MXC_HDMI_H__ #define __MXC_HDMI_H__ +#ifdef CONFIG_IMX_HDMI +void imx_enable_hdmi_phy(void); +void imx_setup_hdmi(void); +#endif + /* * Hdmi controller registers */ @@ -884,6 +889,9 @@ enum { HDMI_PHY_HPD = 0x02, HDMI_PHY_TX_PHY_LOCK = 0x01, +/* Convenience macro RX_SENSE | HPD */ + HDMI_DVI_STAT = 0xF2, + /* PHY_I2CM_SLAVE_ADDR field values */ HDMI_PHY_I2CM_SLAVE_ADDR_PHY_GEN2 = 0x69, HDMI_PHY_I2CM_SLAVE_ADDR_HEAC_PHY = 0x49, |