diff options
| author | Yidi Lin <yidilin@chromium.org> | 2023-10-31 17:15:50 +0800 |
|---|---|---|
| committer | Martin L Roth <gaumless@gmail.com> | 2023-11-04 17:06:42 +0000 |
| commit | 2751d2922f7c87a6acf901a0008ac131bf7245db (patch) | |
| tree | 283504f4bf98e0b2331c8d8c501dd0abfe280369 /src/soc/rockchip | |
| parent | 909c317b2deb184d95c7d289cbe6603e209ed72d (diff) | |
Use common GCD function
Change-Id: I30e4b02a9ca6a15c9bc4edcf4143ffa13a21a732
Signed-off-by: Yidi Lin <yidilin@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78799
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
Diffstat (limited to 'src/soc/rockchip')
| -rw-r--r-- | src/soc/rockchip/rk3288/clock.c | 15 | ||||
| -rw-r--r-- | src/soc/rockchip/rk3399/clock.c | 15 |
2 files changed, 6 insertions, 24 deletions
diff --git a/src/soc/rockchip/rk3288/clock.c b/src/soc/rockchip/rk3288/clock.c index c2f93f5854..d52fa2a858 100644 --- a/src/soc/rockchip/rk3288/clock.c +++ b/src/soc/rockchip/rk3288/clock.c @@ -1,9 +1,10 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -#include <device/mmio.h> #include <assert.h> +#include <commonlib/bsd/gcd.h> #include <console/console.h> #include <delay.h> +#include <device/mmio.h> #include <lib.h> #include <soc/addressmap.h> #include <soc/clock.h> @@ -438,16 +439,6 @@ void rkclk_configure_spi(unsigned int bus, unsigned int hz) } } -static u32 clk_gcd(u32 a, u32 b) -{ - while (b != 0) { - int r = b; - b = a % b; - a = r; - } - return a; -} - void rkclk_configure_i2s(unsigned int hz) { int n, d; @@ -462,7 +453,7 @@ void rkclk_configure_i2s(unsigned int hz) 1 << 15 | 0 << 12 | 1 << 8 | 0 << 0)); /* set frac divider */ - v = clk_gcd(GPLL_HZ, hz); + v = gcd32(GPLL_HZ, hz); n = (GPLL_HZ / v) & (0xffff); d = (hz / v) & (0xffff); assert(hz == GPLL_HZ / n * d); diff --git a/src/soc/rockchip/rk3399/clock.c b/src/soc/rockchip/rk3399/clock.c index 75af695b68..fbff5a7cfa 100644 --- a/src/soc/rockchip/rk3399/clock.c +++ b/src/soc/rockchip/rk3399/clock.c @@ -1,9 +1,10 @@ /* SPDX-License-Identifier: GPL-2.0-only */ #include <assert.h> +#include <commonlib/bsd/gcd.h> #include <console/console.h> -#include <device/mmio.h> #include <delay.h> +#include <device/mmio.h> #include <soc/addressmap.h> #include <soc/clock.h> #include <soc/grf.h> @@ -776,16 +777,6 @@ uint32_t rkclk_i2c_clock_for_bus(unsigned int bus) return freq; } -static u32 clk_gcd(u32 a, u32 b) -{ - while (b != 0) { - int r = b; - b = a % b; - a = r; - } - return a; -} - void rkclk_configure_i2s(unsigned int hz) { int n, d; @@ -805,7 +796,7 @@ void rkclk_configure_i2s(unsigned int hz) RK_CLRBITS(1 << 12 | 1 << 5 | 1 << 4 | 1 << 3)); /* set frac divider */ - v = clk_gcd(CPLL_HZ, hz); + v = gcd32(CPLL_HZ, hz); n = (CPLL_HZ / v) & (0xffff); d = (hz / v) & (0xffff); assert(hz == (u64)CPLL_HZ * d / n); |