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>

2 files changed, 26 insertions, 26 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:
diff --git a/src/soc/rockchip/rk3399/clock.c b/src/soc/rockchip/rk3399/clock.c
index ded0a94008..b9de844dcb 100644
--- a/src/soc/rockchip/rk3399/clock.c
+++ b/src/soc/rockchip/rk3399/clock.c
@@ -402,7 +402,7 @@ void rkclk_init(void)
 
 	/* configure pmu pclk */
 	pclk_div = PPLL_HZ / PMU_PCLK_HZ - 1;
-	assert((pclk_div + 1) * PMU_PCLK_HZ == PPLL_HZ && pclk_div < 0x1f);
+	assert((pclk_div + 1) * PMU_PCLK_HZ == PPLL_HZ && pclk_div <= 0x1f);
 	write32(&pmucru_ptr->pmucru_clksel[0],
 		RK_CLRSETBITS(PMU_PCLK_DIV_CON_MASK << PMU_PCLK_DIV_CON_SHIFT,
 			      pclk_div << PMU_PCLK_DIV_CON_SHIFT));
@@ -420,15 +420,15 @@ void rkclk_init(void)
 
 	/* configure perihp aclk, hclk, pclk */
 	aclk_div = GPLL_HZ / PERIHP_ACLK_HZ - 1;
-	assert((aclk_div + 1) * PERIHP_ACLK_HZ == GPLL_HZ && aclk_div < 0x1f);
+	assert((aclk_div + 1) * PERIHP_ACLK_HZ == GPLL_HZ && aclk_div <= 0x1f);
 
 	hclk_div = PERIHP_ACLK_HZ / PERIHP_HCLK_HZ - 1;
 	assert((hclk_div + 1) * PERIHP_HCLK_HZ ==
-	       PERIHP_ACLK_HZ && (hclk_div < 0x4));
+	       PERIHP_ACLK_HZ && (hclk_div <= 0x3));
 
 	pclk_div = PERIHP_ACLK_HZ / PERIHP_PCLK_HZ - 1;
 	assert((pclk_div + 1) * PERIHP_PCLK_HZ ==
-	       PERIHP_ACLK_HZ && (pclk_div < 0x7));
+	       PERIHP_ACLK_HZ && (pclk_div <= 0x7));
 
 	write32(&cru_ptr->clksel_con[14],
 		RK_CLRSETBITS(PCLK_PERIHP_DIV_CON_MASK <<
@@ -447,15 +447,15 @@ void rkclk_init(void)
 
 	/* configure perilp0 aclk, hclk, pclk */
 	aclk_div = GPLL_HZ / PERILP0_ACLK_HZ - 1;
-	assert((aclk_div + 1) * PERILP0_ACLK_HZ == GPLL_HZ && aclk_div < 0x1f);
+	assert((aclk_div + 1) * PERILP0_ACLK_HZ == GPLL_HZ && aclk_div <= 0x1f);
 
 	hclk_div = PERILP0_ACLK_HZ / PERILP0_HCLK_HZ - 1;
 	assert((hclk_div + 1) * PERILP0_HCLK_HZ ==
-	       PERILP0_ACLK_HZ && (hclk_div < 0x4));
+	       PERILP0_ACLK_HZ && (hclk_div <= 0x3));
 
 	pclk_div = PERILP0_ACLK_HZ / PERILP0_PCLK_HZ - 1;
 	assert((pclk_div + 1) * PERILP0_PCLK_HZ ==
-	       PERILP0_ACLK_HZ && (pclk_div < 0x7));
+	       PERILP0_ACLK_HZ && (pclk_div <= 0x7));
 
 	write32(&cru_ptr->clksel_con[23],
 		RK_CLRSETBITS(PCLK_PERILP0_DIV_CON_MASK <<
@@ -475,11 +475,11 @@ void rkclk_init(void)
 	/* perilp1 hclk select gpll as source */
 	hclk_div = GPLL_HZ / PERILP1_HCLK_HZ - 1;
 	assert((hclk_div + 1) * PERILP1_HCLK_HZ ==
-	       GPLL_HZ && (hclk_div < 0x1f));
+	       GPLL_HZ && (hclk_div <= 0x1f));
 
 	pclk_div = PERILP1_HCLK_HZ / PERILP1_PCLK_HZ - 1;
 	assert((pclk_div + 1) * PERILP1_PCLK_HZ ==
-	       PERILP1_HCLK_HZ && (pclk_div < 0x7));
+	       PERILP1_HCLK_HZ && (pclk_div <= 0x7));
 
 	write32(&cru_ptr->clksel_con[25],
 		RK_CLRSETBITS(PCLK_PERILP1_DIV_CON_MASK <<
@@ -590,7 +590,7 @@ void rkclk_configure_spi(unsigned int bus, unsigned int hz)
 	/* spi3 src clock from ppll, while spi0,1,2,4,5 src clock from gpll */
 	pll = (bus == 3) ? PPLL_HZ : GPLL_HZ;
 	src_clk_div = pll / hz;
-	assert((src_clk_div - 1 < 127) && (src_clk_div * hz == pll));
+	assert((src_clk_div - 1 <= 127) && (src_clk_div * hz == pll));
 
 	switch (bus) {
 	case 0:
@@ -646,7 +646,7 @@ static void rkclk_configure_i2c(unsigned int bus, unsigned int hz)
 	/* i2c0,4,8 src clock from ppll, i2c1,2,3,5,6,7 src clock from gpll*/
 	pll = (bus == 0 || bus == 4 || bus == 8) ? PPLL_HZ : GPLL_HZ;
 	src_clk_div = pll / hz;
-	assert((src_clk_div - 1 < 127) && (src_clk_div * hz == pll));
+	assert((src_clk_div - 1 <= 127) && (src_clk_div * hz == pll));
 
 	switch (bus) {
 	case 0:
@@ -749,7 +749,7 @@ void rkclk_configure_saradc(unsigned int hz)
 
 	/* saradc src clk from 24MHz */
 	src_clk_div = 24 * MHz / hz;
-	assert((src_clk_div - 1 < 255) && (src_clk_div * hz == 24 * MHz));
+	assert((src_clk_div - 1 <= 255) && (src_clk_div * hz == 24 * MHz));
 
 	write32(&cru_ptr->clksel_con[26],
 		RK_CLRSETBITS(CLK_SARADC_DIV_CON_MASK <<
@@ -765,7 +765,7 @@ void rkclk_configure_vop_aclk(u32 vop_id, u32 aclk_hz)
 
 	/* vop aclk source clk: cpll */
 	div = CPLL_HZ / aclk_hz;
-	assert((div - 1 < 32) && (div * aclk_hz == CPLL_HZ));
+	assert((div - 1 <= 31) && (div * aclk_hz == CPLL_HZ));
 
 	write32(reg_addr, RK_CLRSETBITS(
 			ACLK_VOP_PLL_SEL_MASK << ACLK_VOP_PLL_SEL_SHIFT |
@@ -803,7 +803,7 @@ void rkclk_configure_tsadc(unsigned int hz)
 
 	/* use 24M as src clock */
 	src_clk_div = OSC_HZ / hz;
-	assert((src_clk_div - 1 < 1024) && (src_clk_div * hz == OSC_HZ));
+	assert((src_clk_div - 1 <= 1023) && (src_clk_div * hz == OSC_HZ));
 
 	write32(&cru_ptr->clksel_con[27], RK_CLRSETBITS(
 			CLK_TSADC_DIV_CON_MASK << CLK_TSADC_DIV_CON_SHIFT |
@@ -820,7 +820,7 @@ void rkclk_configure_emmc(void)
 
 	/* Select aclk_emmc source from GPLL */
 	src_clk_div = GPLL_HZ / aclk_emmc;
-	assert((src_clk_div - 1 < 31) && (src_clk_div * aclk_emmc == GPLL_HZ));
+	assert((src_clk_div - 1 <= 31) && (src_clk_div * aclk_emmc == GPLL_HZ));
 
 	write32(&cru_ptr->clksel_con[21],
 		RK_CLRSETBITS(ACLK_EMMC_PLL_SEL_MASK <<
@@ -832,7 +832,7 @@ void rkclk_configure_emmc(void)
 
 	/* Select clk_emmc source from GPLL too */
 	src_clk_div = GPLL_HZ / clk_emmc;
-	assert((src_clk_div - 1 < 127) && (src_clk_div * clk_emmc == GPLL_HZ));
+	assert((src_clk_div - 1 <= 127) && (src_clk_div * clk_emmc == GPLL_HZ));
 
 	write32(&cru_ptr->clksel_con[22],
 		RK_CLRSETBITS(CLK_EMMC_PLL_MASK << CLK_EMMC_PLL_SHIFT |