diff options
| author | Lin Huang <hl@rock-chips.com> | 2016-04-25 18:50:55 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2016-05-09 08:48:35 +0200 |
| commit | b9a7877568cf7441cef7879c9948c8c3a8895a60 (patch) | |
| tree | 89e4b35fce0fd7c1e8129e751a577facaad82c80 /src/soc/rockchip/rk3288/display.c | |
| parent | f9cbe353193a506fb687f137ddd7b082b0da5a49 (diff) | |
| download | coreboot-b9a7877568cf7441cef7879c9948c8c3a8895a60.tar.xz | |
rockchip/*: refactor edp driver
rk3288 and rk3399 use same edp IP, move soc specific setting to
soc/display, and move edp driver to common, so rk3399 can reuse
this driver.
BUG=chrome-os-partner:52460
BRANCH=none
TEST= test on jerry and mighty, edp panel can work
Change-Id: Ie3f3e8468b2323994af8a002413bf93b3edc8026
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 64bb4b2c7ed373d9730c9aa0b0896a32164fc7ee
Original-Change-Id: Ie5c15a81849a02d1c0457e36ed00fbe2d47961fb
Original-Signed-off-by: Lin Huang <hl@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/340504
Original-Commit-Ready: Vadim Bendebury <vbendeb@chromium.org>
Original-Tested-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/14725
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/soc/rockchip/rk3288/display.c')
| -rw-r--r-- | src/soc/rockchip/rk3288/display.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/soc/rockchip/rk3288/display.c b/src/soc/rockchip/rk3288/display.c index 306baad3b6..f3dfac1a86 100644 --- a/src/soc/rockchip/rk3288/display.c +++ b/src/soc/rockchip/rk3288/display.c @@ -39,6 +39,7 @@ void rk_display_init(device_t dev, u32 lcdbase, unsigned long fb_size) { struct edid edid; + uint32_t val; struct soc_rockchip_rk3288_config *conf = dev->chip_info; uint32_t lower = ALIGN_DOWN(lcdbase, MiB); uint32_t upper = ALIGN_UP(lcdbase + fb_size, MiB); @@ -58,7 +59,16 @@ void rk_display_init(device_t dev, u32 lcdbase, printk(BIOS_DEBUG, "Attempting to setup EDP display.\n"); rkclk_configure_edp(); rkclk_configure_vop_aclk(conf->vop_id, 192 * MHz); - rk_edp_init(conf->vop_id); + + /* grf_edp_ref_clk_sel: from internal 24MHz or 27MHz clock */ + write32(&rk3288_grf->soc_con12, RK_SETBITS(1 << 4)); + + /* select epd signal from vop0 or vop1 */ + val = (conf->vop_id == 1) ? RK_SETBITS(1 << 5) : + RK_CLRBITS(1 << 5); + write32(&rk3288_grf->soc_con6, val); + + rk_edp_init(); if (rk_edp_get_edid(&edid) == 0) { detected_mode = VOP_MODE_EDP; |