diff options
| author | Julius Werner <jwerner@chromium.org> | 2016-09-06 14:09:16 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2016-10-06 21:49:41 +0200 |
| commit | b37c8c065cc857ef8d52816ae65be5c4b1e4d62a (patch) | |
| tree | e6b9c1b81d786f14bb79a198c321b8dca7cfd6d6 /src/soc/rockchip/rk3288/clock.c | |
| parent | aa58a9eebfc1a60ccc614ef6a064cf0ffce1c114 (diff) | |
rockchip: Correct and standardize clock divisor range assertions
Some of the asserts for valid clock divisor ranges were off by one. This
patch corrects them and writes them all in a consistent way.
BRANCH=None
BUG=None
TEST=Booted Kevin.
Change-Id: I81749408a40822100797f1734f3b88987d12d8d5
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: e09cdfde26700496aaa1fc41489f63a355e8a89d
Original-Change-Id: I429edb99e2d5ff2302d9750e6569b3d21f5686fa
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/381574
Original-Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-on: https://review.coreboot.org/16704
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/soc/rockchip/rk3288/clock.c')
| -rw-r--r-- | src/soc/rockchip/rk3288/clock.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/src/soc/rockchip/rk3288/clock.c b/src/soc/rockchip/rk3288/clock.c index bb5b846c04..74151e85cb 100644 --- a/src/soc/rockchip/rk3288/clock.c +++ b/src/soc/rockchip/rk3288/clock.c @@ -272,14 +272,14 @@ void rkclk_init(void) * set up dependent divisors for PCLK/HCLK and ACLK clocks. */ aclk_div = GPLL_HZ / PD_BUS_ACLK_HZ - 1; - assert((aclk_div + 1) * PD_BUS_ACLK_HZ == GPLL_HZ && aclk_div < 0x1f); + assert((aclk_div + 1) * PD_BUS_ACLK_HZ == GPLL_HZ && aclk_div <= 0x1f); hclk_div = PD_BUS_ACLK_HZ / PD_BUS_HCLK_HZ - 1; assert((hclk_div + 1) * PD_BUS_HCLK_HZ == - PD_BUS_ACLK_HZ && (hclk_div < 0x4) && (hclk_div != 0x2)); + PD_BUS_ACLK_HZ && (hclk_div <= 0x3) && (hclk_div != 0x2)); pclk_div = PD_BUS_ACLK_HZ / PD_BUS_PCLK_HZ - 1; assert((pclk_div + 1) * PD_BUS_PCLK_HZ == - PD_BUS_ACLK_HZ && pclk_div < 0x7); + PD_BUS_ACLK_HZ && pclk_div <= 0x7); write32(&cru_ptr->cru_clksel_con[1], RK_SETBITS(PD_BUS_SEL_GPLL) | RK_CLRSETBITS(PD_BUS_PCLK_DIV_MSK, @@ -295,15 +295,15 @@ void rkclk_init(void) * set up dependent divisors for PCLK/HCLK and ACLK clocks. */ aclk_div = GPLL_HZ / PERI_ACLK_HZ - 1; - assert((aclk_div + 1) * PERI_ACLK_HZ == GPLL_HZ && aclk_div < 0x1f); + assert((aclk_div + 1) * PERI_ACLK_HZ == GPLL_HZ && aclk_div <= 0x1f); hclk_div = log2(PERI_ACLK_HZ / PERI_HCLK_HZ); assert((1 << hclk_div) * PERI_HCLK_HZ == - PERI_ACLK_HZ && (hclk_div < 0x4)); + PERI_ACLK_HZ && (hclk_div <= 0x2)); pclk_div = log2(PERI_ACLK_HZ / PERI_PCLK_HZ); assert((1 << pclk_div) * PERI_PCLK_HZ == - PERI_ACLK_HZ && (pclk_div < 0x4)); + PERI_ACLK_HZ && (pclk_div <= 0x3)); write32(&cru_ptr->cru_clksel_con[10], RK_SETBITS(PERI_SEL_GPLL) | RK_CLRSETBITS(PERI_PCLK_DIV_MSK, @@ -429,7 +429,7 @@ void rkclk_configure_spi(unsigned int bus, unsigned int hz) { int src_clk_div = GPLL_HZ / hz; - assert((src_clk_div - 1 < 127) && (src_clk_div * hz == GPLL_HZ)); + assert((src_clk_div - 1 <= 127) && (src_clk_div * hz == GPLL_HZ)); switch (bus) { /*select gpll as spi src clk, and set div*/ case 0: @@ -487,7 +487,7 @@ void rkclk_configure_crypto(unsigned int hz) { u32 div = PD_BUS_ACLK_HZ / hz; - assert((div - 1 < 4) && (div * hz == PD_BUS_ACLK_HZ)); + assert((div - 1 <= 3) && (div * hz == PD_BUS_ACLK_HZ)); assert(hz <= 150*MHz); /* Suggested max in TRM. */ write32(&cru_ptr->cru_clksel_con[26], RK_CLRSETBITS(0x3 << 6, (div - 1) << 6)); @@ -499,7 +499,7 @@ void rkclk_configure_tsadc(unsigned int hz) u32 src_clk = 32 * KHz; /* tsadc source clock is 32KHz*/ div = src_clk / hz; - assert((div - 1 < 64) && (div * hz == 32 * KHz)); + assert((div - 1 <= 63) && (div * hz == 32 * KHz)); write32(&cru_ptr->cru_clksel_con[2], RK_CLRSETBITS(0x3f << 0, (div - 1) << 0)); } @@ -604,7 +604,7 @@ void rkclk_configure_vop_aclk(u32 vop_id, u32 aclk_hz) /* vop aclk source clk: cpll */ div = CPLL_HZ / aclk_hz; - assert((div - 1 < 64) && (div * aclk_hz == CPLL_HZ)); + assert((div - 1 <= 63) && (div * aclk_hz == CPLL_HZ)); switch (vop_id) { case 0: |