diff options
| author | Ronald G. Minnich <rminnich@gmail.com> | 2013-04-18 18:09:24 -0700 |
|---|---|---|
| committer | Ronald G. Minnich <rminnich@gmail.com> | 2013-04-23 04:41:23 +0200 |
| commit | 2810afa57de26871c99e1c5bb7b3c2fbdcaf4f98 (patch) | |
| tree | 9c547e62c566cfa3953ecd77562df3ef9c357c71 /src/cpu/samsung/exynos5-common/s5p-dp-reg.c | |
| parent | 2c88cc0696be2b01ebd4df6f7593d8658c8fe419 (diff) | |
GOOGLE/SNOW: get graphics working
This adds support for display bring-up on Snow. It
includes framebuffer initialization and LCD enable functions.
Change-Id: I16e711c97e9d02c916824f621e2313297448732b
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/3116
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/cpu/samsung/exynos5-common/s5p-dp-reg.c')
| -rw-r--r-- | src/cpu/samsung/exynos5-common/s5p-dp-reg.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/src/cpu/samsung/exynos5-common/s5p-dp-reg.c b/src/cpu/samsung/exynos5-common/s5p-dp-reg.c index 60e1398ba4..cce8c6d212 100644 --- a/src/cpu/samsung/exynos5-common/s5p-dp-reg.c +++ b/src/cpu/samsung/exynos5-common/s5p-dp-reg.c @@ -129,7 +129,8 @@ int s5p_dp_init_analog_func(struct s5p_dp_device *dp) start = get_timer(0); while (s5p_dp_get_pll_lock_status(dp) == PLL_UNLOCKED) { if (get_timer(start) > PLL_LOCK_TIMEOUT) { - printk(BIOS_DEBUG, "%s: PLL is not locked yet\n", __func__); + printk(BIOS_ERR, "%s: PLL is not locked\n", + __func__); return -1; } } @@ -176,9 +177,6 @@ int s5p_dp_start_aux_transaction(struct s5p_dp_device *dp) /* Enable AUX CH operation */ setbits_le32(&base->aux_ch_ctl_2, AUX_EN); - printk(BIOS_DEBUG, "%s: base: 0x%p, &base->aux_ch_ctl_2: 0x%p, aux_ch_ctl_2: 0x%08x\n", - __func__, base, &base->aux_ch_ctl_2, readl(&base->aux_ch_ctl_2)); - /* Is AUX CH command reply received? */ reg = readl(&base->dp_int_sta); while (!(reg & RPLY_RECEIV)) @@ -189,8 +187,9 @@ int s5p_dp_start_aux_transaction(struct s5p_dp_device *dp) /* Clear interrupt source for AUX CH access error */ reg = readl(&base->dp_int_sta); - printk(BIOS_DEBUG, "%s: dp_int_sta: 0x%02x\n", __func__, reg); if (reg & AUX_ERR) { + printk(BIOS_ERR, "%s: AUX_ERR encountered, dp_int_sta: " + "0x%02x\n", __func__, reg); writel(AUX_ERR, &base->dp_int_sta); return -1; } @@ -198,7 +197,7 @@ int s5p_dp_start_aux_transaction(struct s5p_dp_device *dp) /* Check AUX CH error access status */ reg = readl(&base->dp_int_sta); if ((reg & AUX_STATUS_MASK) != 0) { - printk(BIOS_DEBUG, "AUX CH error happens: %d\n\n", + printk(BIOS_ERR, "AUX CH error happens: %d\n\n", reg & AUX_STATUS_MASK); return -1; } |