diff options
Diffstat (limited to 'board/ge/bx50v3/bx50v3.c')
| -rw-r--r-- | board/ge/bx50v3/bx50v3.c | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/board/ge/bx50v3/bx50v3.c b/board/ge/bx50v3/bx50v3.c index b2d065c1b8..245852510f 100644 --- a/board/ge/bx50v3/bx50v3.c +++ b/board/ge/bx50v3/bx50v3.c @@ -426,14 +426,22 @@ static void enable_videopll(void) setbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN); - /* set video pll to 910MHz (24MHz * (37+11/12)) - * video pll post div to 910/4 = 227.5MHz - */ + /* PLL_VIDEO 455MHz (24MHz * (37+11/12) / 2) + * | + * PLL5 + * | + * CS2CDR[LDB_DI0_CLK_SEL] + * | + * +----> LDB_DI0_SERIAL_CLK_ROOT + * | + * +--> CSCMR2[LDB_DI0_IPU_DIV] --> LDB_DI0_IPU 455 / 7 = 65 MHz + */ + clrsetbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_DIV_SELECT | BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT, BF_ANADIG_PLL_VIDEO_DIV_SELECT(37) | - BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(0)); + BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(1)); writel(BF_ANADIG_PLL_VIDEO_NUM_A(11), &ccm->analog_pll_video_num); writel(BF_ANADIG_PLL_VIDEO_DENOM_B(12), &ccm->analog_pll_video_denom); @@ -459,8 +467,8 @@ static void setup_display_b850v3(void) enable_videopll(); - /* IPU1 D0 clock is 227.5 / 3.5 = 65MHz */ - clrbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV); + /* IPU1 DI0 clock is 455MHz / 7 = 65MHz */ + setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV); imx_setup_hdmi(); @@ -507,7 +515,7 @@ static void setup_display_bx50v3(void) */ mdelay(200); - /* IPU1 DI0 clock is 480/7 = 68.5 MHz */ + /* IPU1 DI0 clock is 455MHz / 7 = 65MHz */ setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV); /* Set LDB_DI0 as clock source for IPU_DI0 */ @@ -683,12 +691,8 @@ int board_early_init_f(void) setup_iomux_uart(); #if defined(CONFIG_VIDEO_IPUV3) - if (is_b850v3()) - /* Set LDB clock to Video PLL */ - select_ldb_di_clock_source(MXC_PLL5_CLK); - else - /* Set LDB clock to USB PLL */ - select_ldb_di_clock_source(MXC_PLL3_SW_CLK); + /* Set LDB clock to Video PLL */ + select_ldb_di_clock_source(MXC_PLL5_CLK); #endif return 0; } @@ -710,9 +714,9 @@ static void set_confidx(const struct vpd_cache* vpd) int board_init(void) { - setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); - setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); - setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3); + setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); + setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3); read_vpd(CONFIG_SYS_I2C_EEPROM_BUS); @@ -805,6 +809,8 @@ int board_late_init(void) if (is_b850v3()) env_set("videoargs", "video=DP-1:1024x768@60 video=HDMI-A-1:1024x768@60"); + else + env_set("videoargs", "video=LVDS-1:1024x768@65"); /* board specific pmic init */ pmic_init(); |