On AM57xx evm I2C5 is used to detect the LCD board by reading the EEPROM present on the bus. Enable i2c5 clocks to help that.
Signed-off-by: Lokesh Vutla <[email protected]> --- arch/arm/cpu/armv7/omap5/hw_data.c | 7 +++++++ arch/arm/cpu/armv7/omap5/prcm-regs.c | 4 ++++ arch/arm/include/asm/omap_common.h | 4 ++++ 3 files changed, 15 insertions(+) diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c index 868415d..53e87b2 100644 --- a/arch/arm/cpu/armv7/omap5/hw_data.c +++ b/arch/arm/cpu/armv7/omap5/hw_data.c @@ -534,6 +534,9 @@ void enable_basic_clocks(void) void enable_basic_uboot_clocks(void) { u32 const clk_domains_essential[] = { +#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX) + (*prcm)->cm_ipu_clkstctrl, +#endif 0 }; @@ -547,7 +550,11 @@ void enable_basic_uboot_clocks(void) (*prcm)->cm_l4per_i2c2_clkctrl, (*prcm)->cm_l4per_i2c3_clkctrl, (*prcm)->cm_l4per_i2c4_clkctrl, +#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX) + (*prcm)->cm_ipu_i2c5_clkctrl, +#else (*prcm)->cm_l4per_i2c5_clkctrl, +#endif (*prcm)->cm_l3init_hsusbhost_clkctrl, (*prcm)->cm_l3init_fsusb_clkctrl, 0 diff --git a/arch/arm/cpu/armv7/omap5/prcm-regs.c b/arch/arm/cpu/armv7/omap5/prcm-regs.c index f80d36d..a87003c 100644 --- a/arch/arm/cpu/armv7/omap5/prcm-regs.c +++ b/arch/arm/cpu/armv7/omap5/prcm-regs.c @@ -815,6 +815,10 @@ struct prcm_regs const dra7xx_prcm = { .cm_dsp_clkstctrl = 0x4a005400, .cm_dsp_dsp_clkctrl = 0x4a005420, + /* cm IPU */ + .cm_ipu_clkstctrl = 0x4a005540, + .cm_ipu_i2c5_clkctrl = 0x4a005578, + /* prm irqstatus regs */ .prm_irqstatus_mpu_2 = 0x4ae06014, diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h index b0296fb..a1278fb 100644 --- a/arch/arm/include/asm/omap_common.h +++ b/arch/arm/include/asm/omap_common.h @@ -344,6 +344,10 @@ struct prcm_regs { /* GMAC Clk Ctrl */ u32 cm_gmac_gmac_clkctrl; u32 cm_gmac_clkstctrl; + + /* IPU */ + u32 cm_ipu_clkstctrl; + u32 cm_ipu_i2c5_clkctrl; }; struct omap_sys_ctrl_regs { -- 1.9.1 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot

