[U-Boot] [PATCH] odroid: fix g2d sclk rate
G2D core should be provided 200MHz clock rate.
Signed-off-by: Joonyoung Shim jy0922.shim@samsung.com --- board/samsung/odroid/odroid.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/board/samsung/odroid/odroid.c b/board/samsung/odroid/odroid.c index b7d2381..1554b9d 100644 --- a/board/samsung/odroid/odroid.c +++ b/board/samsung/odroid/odroid.c @@ -248,12 +248,12 @@ static void board_clock_init(void) * MOUTc2c = 800 Mhz * MOUTpwi = 108 MHz * - * sclk_g2d_acp = MOUTg2d / (ratio + 1) = 400 (1) + * sclk_g2d_acp = MOUTg2d / (ratio + 1) = 200 (3) * sclk_c2c = MOUTc2c / (ratio + 1) = 400 (1) * aclk_c2c = sclk_c2c / (ratio + 1) = 200 (1) * sclk_pwi = MOUTpwi / (ratio + 1) = 18 (5) */ - set = G2D_ACP_RATIO(1) | C2C_RATIO(1) | PWI_RATIO(5) | + set = G2D_ACP_RATIO(3) | C2C_RATIO(1) | PWI_RATIO(5) | C2C_ACLK_RATIO(1) | DVSEM_RATIO(1) | DPM_RATIO(1);
clrsetbits_le32(&clk->div_dmc1, clr, set);
On 23/01/15 17:30, Joonyoung Shim wrote:
G2D core should be provided 200MHz clock rate.
Signed-off-by: Joonyoung Shim jy0922.shim@samsung.com
board/samsung/odroid/odroid.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/board/samsung/odroid/odroid.c b/board/samsung/odroid/odroid.c index b7d2381..1554b9d 100644 --- a/board/samsung/odroid/odroid.c +++ b/board/samsung/odroid/odroid.c @@ -248,12 +248,12 @@ static void board_clock_init(void) * MOUTc2c = 800 Mhz * MOUTpwi = 108 MHz *
* sclk_g2d_acp = MOUTg2d / (ratio + 1) = 400 (1)
* sclk_g2d_acp = MOUTg2d / (ratio + 1) = 200 (3)*/
- sclk_c2c = MOUTc2c / (ratio + 1) = 400 (1)
- aclk_c2c = sclk_c2c / (ratio + 1) = 200 (1)
- sclk_pwi = MOUTpwi / (ratio + 1) = 18 (5)
- set = G2D_ACP_RATIO(1) | C2C_RATIO(1) | PWI_RATIO(5) |
set = G2D_ACP_RATIO(3) | C2C_RATIO(1) | PWI_RATIO(5) | C2C_ACLK_RATIO(1) | DVSEM_RATIO(1) | DPM_RATIO(1);
clrsetbits_le32(&clk->div_dmc1, clr, set);
applied to u-boot-samsung.
Thank, Minkyu Kang.
participants (2)
-
Joonyoung Shim -
Minkyu Kang