[U-Boot] [PATCH v2 1/4] rockchip: rk322x: set the DDR region as non-secure in SPL
Disable the ddr secure region setting in SPL and the ddr memory becomes non-secure, every one can access it. the trust firmware like OPTEE should have the correct setting for it after SPL if there is one.
Signed-off-by: Kever Yang kever.yang@rock-chips.com ---
Changes in v2: - add comment for the change and update the commit message
arch/arm/mach-rockchip/rk322x-board-spl.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/arm/mach-rockchip/rk322x-board-spl.c b/arch/arm/mach-rockchip/rk322x-board-spl.c index 15216c7..4ddb8ba 100644 --- a/arch/arm/mach-rockchip/rk322x-board-spl.c +++ b/arch/arm/mach-rockchip/rk322x-board-spl.c @@ -41,6 +41,8 @@ static struct rk322x_grf * const grf = (void *)GRF_BASE; CON_IOMUX_UART2SEL_MASK, CON_IOMUX_UART2SEL_21 << CON_IOMUX_UART2SEL_SHIFT); } + +#define SGRF_DDR_CON0 0x10150000 void board_init_f(ulong dummy) { struct udevice *dev; @@ -71,6 +73,8 @@ void board_init_f(ulong dummy) return; }
+ /* Disable the ddr secure region setting to make it non-secure */ + rk_clrreg(SGRF_DDR_CON0, 0x4000); #if defined(CONFIG_ROCKCHIP_SPL_BACK_TO_BROM) && !defined(CONFIG_SPL_BOARD_INIT) back_to_bootrom(); #endif
mmc using 150000000 as max-frequency like what rk3288 sets. This can speed up the mmc read/write, the actual mmc clock is: Before this patch: 37.125M After this patch: 49.5M
Signed-off-by: Kever Yang kever.yang@rock-chips.com ---
Changes in v2: - remove fifo-mode in patch - update commit message to explain why this patch needed.
arch/arm/dts/rk3229-evb.dts | 1 - arch/arm/dts/rk322x.dtsi | 4 ++-- 2 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/arm/dts/rk3229-evb.dts b/arch/arm/dts/rk3229-evb.dts index 5042c39..ae0b0a4 100644 --- a/arch/arm/dts/rk3229-evb.dts +++ b/arch/arm/dts/rk3229-evb.dts @@ -78,7 +78,6 @@ cap-sd-highspeed; card-detect-delay = <200>; disable-wp; - max-frequency = <50000000>; num-slots = <1>; supports-sd; }; diff --git a/arch/arm/dts/rk322x.dtsi b/arch/arm/dts/rk322x.dtsi index ddbe113..22324f9 100644 --- a/arch/arm/dts/rk322x.dtsi +++ b/arch/arm/dts/rk322x.dtsi @@ -388,6 +388,7 @@ sdmmc: dwmmc@30000000 { compatible = "rockchip,rk3228-dw-mshc", "rockchip,rk3288-dw-mshc"; reg = <0x30000000 0x4000>; + max-frequency = <150000000>; interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>; clocks = <&cru HCLK_SDMMC>, <&cru SCLK_SDMMC>, <&cru SCLK_SDMMC_DRV>, <&cru SCLK_SDMMC_SAMPLE>; @@ -414,9 +415,8 @@ emmc: dwmmc@30020000 { compatible = "rockchip,rk3288-dw-mshc"; reg = <0x30020000 0x4000>; + max-frequency = <150000000>; interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>; - clock-frequency = <37500000>; - max-frequency = <37500000>; clocks = <&cru HCLK_EMMC>, <&cru SCLK_EMMC>, <&cru SCLK_EMMC_DRV>, <&cru SCLK_EMMC_SAMPLE>; clock-names = "biu", "ciu", "ciu_drv", "ciu_sample";
dwmmc controller has default internal divider by 2, and we always provide double of the clock rate request by dwmmc controller. Sync code for all Rockchip SoC with: 4055b46 rockchip: clk: rk3288: fix mmc clock setting
Signed-off-by: Kever Yang kever.yang@rock-chips.com ---
Changes in v2: - add comment for mmc clock div 2 internal - update the commit message
drivers/clk/rockchip/clk_rk3036.c | 6 +++--- drivers/clk/rockchip/clk_rk3188.c | 5 +++-- drivers/clk/rockchip/clk_rk322x.c | 8 ++++---- drivers/clk/rockchip/clk_rk3288.c | 1 + drivers/clk/rockchip/clk_rk3328.c | 9 +++++---- drivers/clk/rockchip/clk_rk3399.c | 12 ++++++++---- 6 files changed, 24 insertions(+), 17 deletions(-)
diff --git a/drivers/clk/rockchip/clk_rk3036.c b/drivers/clk/rockchip/clk_rk3036.c index 5ecf512..514ea88 100644 --- a/drivers/clk/rockchip/clk_rk3036.c +++ b/drivers/clk/rockchip/clk_rk3036.c @@ -235,7 +235,7 @@ static ulong rockchip_mmc_get_clk(struct rk3036_cru *cru, uint clk_general_rate, }
src_rate = mux == EMMC_SEL_24M ? OSC_HZ : clk_general_rate; - return DIV_TO_RATE(src_rate, div); + return DIV_TO_RATE(src_rate, div) / 2; }
static ulong rockchip_mmc_set_clk(struct rk3036_cru *cru, uint clk_general_rate, @@ -247,10 +247,10 @@ static ulong rockchip_mmc_set_clk(struct rk3036_cru *cru, uint clk_general_rate, debug("%s: clk_general_rate=%u\n", __func__, clk_general_rate);
/* mmc clock auto divide 2 in internal */ - src_clk_div = (clk_general_rate / 2 + freq - 1) / freq; + src_clk_div = DIV_ROUND_UP(clk_general_rate / 2, freq);
if (src_clk_div > 0x7f) { - src_clk_div = (OSC_HZ / 2 + freq - 1) / freq; + src_clk_div = DIV_ROUND_UP(OSC_HZ / 2, freq); mux = EMMC_SEL_24M; } else { mux = EMMC_SEL_GPLL; diff --git a/drivers/clk/rockchip/clk_rk3188.c b/drivers/clk/rockchip/clk_rk3188.c index 6f30332..cbf31d7 100644 --- a/drivers/clk/rockchip/clk_rk3188.c +++ b/drivers/clk/rockchip/clk_rk3188.c @@ -287,7 +287,7 @@ static ulong rockchip_mmc_get_clk(struct rk3188_cru *cru, uint gclk_rate, return -EINVAL; }
- return DIV_TO_RATE(gclk_rate, div); + return DIV_TO_RATE(gclk_rate, div) / 2; }
static ulong rockchip_mmc_set_clk(struct rk3188_cru *cru, uint gclk_rate, @@ -296,7 +296,8 @@ static ulong rockchip_mmc_set_clk(struct rk3188_cru *cru, uint gclk_rate, int src_clk_div;
debug("%s: gclk_rate=%u\n", __func__, gclk_rate); - src_clk_div = RATE_TO_DIV(gclk_rate, freq); + /* mmc clock defaulg div 2 internal, need provide double in cru */ + src_clk_div = DIV_ROUND_UP(gclk_rate / 2, freq); assert(src_clk_div <= 0x3f);
switch (periph) { diff --git a/drivers/clk/rockchip/clk_rk322x.c b/drivers/clk/rockchip/clk_rk322x.c index fdeb816..a1a0aff 100644 --- a/drivers/clk/rockchip/clk_rk322x.c +++ b/drivers/clk/rockchip/clk_rk322x.c @@ -239,7 +239,7 @@ static ulong rockchip_mmc_get_clk(struct rk322x_cru *cru, uint clk_general_rate, }
src_rate = mux == EMMC_SEL_24M ? OSC_HZ : clk_general_rate; - return DIV_TO_RATE(src_rate, div); + return DIV_TO_RATE(src_rate, div) / 2; }
static ulong rockchip_mmc_set_clk(struct rk322x_cru *cru, uint clk_general_rate, @@ -250,11 +250,11 @@ static ulong rockchip_mmc_set_clk(struct rk322x_cru *cru, uint clk_general_rate,
debug("%s: clk_general_rate=%u\n", __func__, clk_general_rate);
- /* mmc clock auto divide 2 in internal */ - src_clk_div = (clk_general_rate / 2 + freq - 1) / freq; + /* mmc clock defaulg div 2 internal, need provide double in cru */ + src_clk_div = DIV_ROUND_UP(clk_general_rate / 2, freq);
if (src_clk_div > 0x7f) { - src_clk_div = (OSC_HZ / 2 + freq - 1) / freq; + src_clk_div = DIV_ROUND_UP(OSC_HZ / 2, freq); mux = EMMC_SEL_24M; } else { mux = EMMC_SEL_GPLL; diff --git a/drivers/clk/rockchip/clk_rk3288.c b/drivers/clk/rockchip/clk_rk3288.c index adcc0a6..209075a 100644 --- a/drivers/clk/rockchip/clk_rk3288.c +++ b/drivers/clk/rockchip/clk_rk3288.c @@ -531,6 +531,7 @@ static ulong rockchip_mmc_set_clk(struct rk3288_cru *cru, uint gclk_rate, int mux;
debug("%s: gclk_rate=%u\n", __func__, gclk_rate); + /* mmc clock defaulg div 2 internal, need provide double in cru */ src_clk_div = DIV_ROUND_UP(gclk_rate / 2, freq);
if (src_clk_div > 0x3f) { diff --git a/drivers/clk/rockchip/clk_rk3328.c b/drivers/clk/rockchip/clk_rk3328.c index 2065a8a..c3a6650 100644 --- a/drivers/clk/rockchip/clk_rk3328.c +++ b/drivers/clk/rockchip/clk_rk3328.c @@ -412,9 +412,9 @@ static ulong rk3328_mmc_get_clk(struct rk3328_cru *cru, uint clk_id)
if ((con & CLK_EMMC_PLL_MASK) >> CLK_EMMC_PLL_SHIFT == CLK_EMMC_PLL_SEL_24M) - return DIV_TO_RATE(OSC_HZ, div); + return DIV_TO_RATE(OSC_HZ, div) / 2; else - return DIV_TO_RATE(GPLL_HZ, div); + return DIV_TO_RATE(GPLL_HZ, div) / 2; }
static ulong rk3328_mmc_set_clk(struct rk3328_cru *cru, @@ -436,11 +436,12 @@ static ulong rk3328_mmc_set_clk(struct rk3328_cru *cru, return -EINVAL; } /* Select clk_sdmmc/emmc source from GPLL by default */ - src_clk_div = GPLL_HZ / set_rate; + /* mmc clock defaulg div 2 internal, need provide double in cru */ + src_clk_div = DIV_ROUND_UP(GPLL_HZ / 2, set_rate);
if (src_clk_div > 127) { /* use 24MHz source for 400KHz clock */ - src_clk_div = OSC_HZ / set_rate; + src_clk_div = DIV_ROUND_UP(OSC_HZ / 2, set_rate); rk_clrsetreg(&cru->clksel_con[con_id], CLK_EMMC_PLL_MASK | CLK_EMMC_DIV_CON_MASK, CLK_EMMC_PLL_SEL_24M << CLK_EMMC_PLL_SHIFT | diff --git a/drivers/clk/rockchip/clk_rk3399.c b/drivers/clk/rockchip/clk_rk3399.c index 54079cd..d2abda5 100644 --- a/drivers/clk/rockchip/clk_rk3399.c +++ b/drivers/clk/rockchip/clk_rk3399.c @@ -750,18 +750,21 @@ static ulong rk3399_mmc_get_clk(struct rk3399_cru *cru, uint clk_id) case HCLK_SDMMC: case SCLK_SDMMC: con = readl(&cru->clksel_con[16]); + /* dwmmc controller have internal div 2 */ + div = 2; break; case SCLK_EMMC: con = readl(&cru->clksel_con[21]); + div = 1; break; default: return -EINVAL; } - div = (con & CLK_EMMC_DIV_CON_MASK) >> CLK_EMMC_DIV_CON_SHIFT;
+ div *= (con & CLK_EMMC_DIV_CON_MASK) >> CLK_EMMC_DIV_CON_SHIFT; if ((con & CLK_EMMC_PLL_MASK) >> CLK_EMMC_PLL_SHIFT == CLK_EMMC_PLL_SEL_24M) - return DIV_TO_RATE(24*1000*1000, div); + return DIV_TO_RATE(OSC_HZ, div); else return DIV_TO_RATE(GPLL_HZ, div); } @@ -776,11 +779,12 @@ static ulong rk3399_mmc_set_clk(struct rk3399_cru *cru, case HCLK_SDMMC: case SCLK_SDMMC: /* Select clk_sdmmc source from GPLL by default */ - src_clk_div = GPLL_HZ / set_rate; + /* mmc clock defaulg div 2 internal, provide double in cru */ + src_clk_div = DIV_ROUND_UP(GPLL_HZ / 2, set_rate);
if (src_clk_div > 127) { /* use 24MHz source for 400KHz clock */ - src_clk_div = 24*1000*1000 / set_rate; + src_clk_div = DIV_ROUND_UP(OSC_HZ / 2, set_rate); rk_clrsetreg(&cru->clksel_con[16], CLK_EMMC_PLL_MASK | CLK_EMMC_DIV_CON_MASK, CLK_EMMC_PLL_SEL_24M << CLK_EMMC_PLL_SHIFT |
Use DIV_ROUND_UP instead RATE_TO_DIV for all Rockchip SoC clock driver. Add or fix the div-field overflow check at the same time.
Signed-off-by: Kever Yang kever.yang@rock-chips.com ---
Changes in v2: - add overflow check for div-field
drivers/clk/rockchip/clk_rk3036.c | 3 ++- drivers/clk/rockchip/clk_rk3188.c | 12 +++++------- drivers/clk/rockchip/clk_rk322x.c | 6 ++---- drivers/clk/rockchip/clk_rk3288.c | 7 +++---- drivers/clk/rockchip/clk_rk3368.c | 8 +++----- drivers/clk/rockchip/clk_rk3399.c | 11 ++++++----- drivers/clk/rockchip/clk_rv1108.c | 3 --- 7 files changed, 21 insertions(+), 29 deletions(-)
diff --git a/drivers/clk/rockchip/clk_rk3036.c b/drivers/clk/rockchip/clk_rk3036.c index 514ea88..83f4ae6 100644 --- a/drivers/clk/rockchip/clk_rk3036.c +++ b/drivers/clk/rockchip/clk_rk3036.c @@ -249,8 +249,9 @@ static ulong rockchip_mmc_set_clk(struct rk3036_cru *cru, uint clk_general_rate, /* mmc clock auto divide 2 in internal */ src_clk_div = DIV_ROUND_UP(clk_general_rate / 2, freq);
- if (src_clk_div > 0x7f) { + if (src_clk_div > 128) { src_clk_div = DIV_ROUND_UP(OSC_HZ / 2, freq); + assert(src_clk_div - 1 < 128); mux = EMMC_SEL_24M; } else { mux = EMMC_SEL_GPLL; diff --git a/drivers/clk/rockchip/clk_rk3188.c b/drivers/clk/rockchip/clk_rk3188.c index cbf31d7..8c2c9bc 100644 --- a/drivers/clk/rockchip/clk_rk3188.c +++ b/drivers/clk/rockchip/clk_rk3188.c @@ -71,9 +71,6 @@ enum { SOCSTS_GPLL_LOCK = 1 << 8, };
-#define RATE_TO_DIV(input_rate, output_rate) \ - ((input_rate) / (output_rate) - 1); - #define DIV_TO_RATE(input_rate, div) ((input_rate) / ((div) + 1))
#define PLL_DIVISORS(hz, _nr, _no) {\ @@ -297,7 +294,7 @@ static ulong rockchip_mmc_set_clk(struct rk3188_cru *cru, uint gclk_rate,
debug("%s: gclk_rate=%u\n", __func__, gclk_rate); /* mmc clock defaulg div 2 internal, need provide double in cru */ - src_clk_div = DIV_ROUND_UP(gclk_rate / 2, freq); + src_clk_div = DIV_ROUND_UP(gclk_rate / 2, freq) - 1; assert(src_clk_div <= 0x3f);
switch (periph) { @@ -351,8 +348,9 @@ static ulong rockchip_spi_get_clk(struct rk3188_cru *cru, uint gclk_rate, static ulong rockchip_spi_set_clk(struct rk3188_cru *cru, uint gclk_rate, int periph, uint freq) { - int src_clk_div = RATE_TO_DIV(gclk_rate, freq); + int src_clk_div = DIV_ROUND_UP(gclk_rate, freq) - 1;
+ assert(src_clk_div < 128); switch (periph) { case SCLK_SPI0: assert(src_clk_div <= SPI0_DIV_MASK); @@ -401,8 +399,8 @@ static void rkclk_init(struct rk3188_cru *cru, struct rk3188_grf *grf, * reparent aclk_cpu_pre from apll to gpll * set up dependent divisors for PCLK/HCLK and ACLK clocks. */ - aclk_div = RATE_TO_DIV(GPLL_HZ, CPU_ACLK_HZ); - assert((aclk_div + 1) * CPU_ACLK_HZ == GPLL_HZ && aclk_div < 0x1f); + aclk_div = DIV_ROUND_UP(GPLL_HZ, CPU_ACLK_HZ) - 1; + assert((aclk_div + 1) * CPU_ACLK_HZ == GPLL_HZ && aclk_div <= 0x1f);
rk_clrsetreg(&cru->cru_clksel_con[0], CPU_ACLK_PLL_MASK << CPU_ACLK_PLL_SHIFT | diff --git a/drivers/clk/rockchip/clk_rk322x.c b/drivers/clk/rockchip/clk_rk322x.c index a1a0aff..d7f6a3c 100644 --- a/drivers/clk/rockchip/clk_rk322x.c +++ b/drivers/clk/rockchip/clk_rk322x.c @@ -26,9 +26,6 @@ enum { OUTPUT_MIN_HZ = 24 * 1000000, };
-#define RATE_TO_DIV(input_rate, output_rate) \ - ((input_rate) / (output_rate) - 1); - #define DIV_TO_RATE(input_rate, div) ((input_rate) / ((div) + 1))
#define PLL_DIVISORS(hz, _refdiv, _postdiv1, _postdiv2) {\ @@ -253,8 +250,9 @@ static ulong rockchip_mmc_set_clk(struct rk322x_cru *cru, uint clk_general_rate, /* mmc clock defaulg div 2 internal, need provide double in cru */ src_clk_div = DIV_ROUND_UP(clk_general_rate / 2, freq);
- if (src_clk_div > 0x7f) { + if (src_clk_div > 128) { src_clk_div = DIV_ROUND_UP(OSC_HZ / 2, freq); + assert(src_clk_div - 1 < 128); mux = EMMC_SEL_24M; } else { mux = EMMC_SEL_GPLL; diff --git a/drivers/clk/rockchip/clk_rk3288.c b/drivers/clk/rockchip/clk_rk3288.c index 209075a..3a6449f 100644 --- a/drivers/clk/rockchip/clk_rk3288.c +++ b/drivers/clk/rockchip/clk_rk3288.c @@ -118,9 +118,6 @@ enum { SOCSTS_NPLL_LOCK = 1 << 9, };
-#define RATE_TO_DIV(input_rate, output_rate) \ - ((input_rate) / (output_rate) - 1); - #define DIV_TO_RATE(input_rate, div) ((input_rate) / ((div) + 1))
#define PLL_DIVISORS(hz, _nr, _no) {\ @@ -536,6 +533,7 @@ static ulong rockchip_mmc_set_clk(struct rk3288_cru *cru, uint gclk_rate,
if (src_clk_div > 0x3f) { src_clk_div = DIV_ROUND_UP(OSC_HZ / 2, freq); + assert(div < 0x40); mux = EMMC_PLL_SELECT_24MHZ; assert((int)EMMC_PLL_SELECT_24MHZ == (int)MMC0_PLL_SELECT_24MHZ); @@ -609,7 +607,8 @@ static ulong rockchip_spi_set_clk(struct rk3288_cru *cru, uint gclk_rate, int src_clk_div;
debug("%s: clk_general_rate=%u\n", __func__, gclk_rate); - src_clk_div = RATE_TO_DIV(gclk_rate, freq); + src_clk_div = DIV_ROUND_UP(gclk_rate, freq) - 1; + assert(div < 128); switch (periph) { case SCLK_SPI0: rk_clrsetreg(&cru->cru_clksel_con[25], diff --git a/drivers/clk/rockchip/clk_rk3368.c b/drivers/clk/rockchip/clk_rk3368.c index 52cad38..22a66c6 100644 --- a/drivers/clk/rockchip/clk_rk3368.c +++ b/drivers/clk/rockchip/clk_rk3368.c @@ -30,9 +30,6 @@ struct pll_div { #define GPLL_HZ (576 * 1000 * 1000) #define CPLL_HZ (400 * 1000 * 1000)
-#define RATE_TO_DIV(input_rate, output_rate) \ - ((input_rate) / (output_rate) - 1); - #define DIV_TO_RATE(input_rate, div) ((input_rate) / ((div) + 1))
#define PLL_DIVISORS(hz, _nr, _no) { \ @@ -171,7 +168,7 @@ static ulong rk3368_mmc_set_clk(struct rk3368_cru *cru, u32 con_id; u32 gpll_rate = rkclk_pll_get_rate(cru, GPLL);
- div = RATE_TO_DIV(gpll_rate, rate << 1); + div = DIV_ROUND_UP(gpll_rate, rate << 1) - 1;
switch (clk_id) { case SCLK_SDMMC: @@ -188,7 +185,8 @@ static ulong rk3368_mmc_set_clk(struct rk3368_cru *cru, }
if (div > 0x3f) { - div = RATE_TO_DIV(OSC_HZ, rate); + div = DIV_ROUND_UP(OSC_HZ, rate) - 1; + assert(div < 0x40); rk_clrsetreg(&cru->clksel_con[con_id], MMC_PLL_SEL_MASK | MMC_CLK_DIV_MASK, (MMC_PLL_SEL_24M << MMC_PLL_SEL_SHIFT) | diff --git a/drivers/clk/rockchip/clk_rk3399.c b/drivers/clk/rockchip/clk_rk3399.c index d2abda5..e6cb6b4 100644 --- a/drivers/clk/rockchip/clk_rk3399.c +++ b/drivers/clk/rockchip/clk_rk3399.c @@ -676,8 +676,8 @@ static ulong rk3399_spi_set_clk(struct rk3399_cru *cru, ulong clk_id, uint hz) const struct spi_clkreg *spiclk = NULL; int src_clk_div;
- src_clk_div = RATE_TO_DIV(GPLL_HZ, hz); - assert(src_clk_div < 127); + src_clk_div = DIV_ROUND_UP(GPLL_HZ, hz) - 1; + assert(src_clk_div < 128);
switch (clk_id) { case SCLK_SPI1 ... SCLK_SPI5: @@ -782,9 +782,10 @@ static ulong rk3399_mmc_set_clk(struct rk3399_cru *cru, /* mmc clock defaulg div 2 internal, provide double in cru */ src_clk_div = DIV_ROUND_UP(GPLL_HZ / 2, set_rate);
- if (src_clk_div > 127) { + if (src_clk_div > 128) { /* use 24MHz source for 400KHz clock */ src_clk_div = DIV_ROUND_UP(OSC_HZ / 2, set_rate); + assert(src_clk_div - 1 < 128); rk_clrsetreg(&cru->clksel_con[16], CLK_EMMC_PLL_MASK | CLK_EMMC_DIV_CON_MASK, CLK_EMMC_PLL_SEL_24M << CLK_EMMC_PLL_SHIFT | @@ -799,7 +800,7 @@ static ulong rk3399_mmc_set_clk(struct rk3399_cru *cru, case SCLK_EMMC: /* Select aclk_emmc source from GPLL */ src_clk_div = DIV_ROUND_UP(GPLL_HZ, aclk_emmc); - assert(src_clk_div - 1 < 31); + assert(src_clk_div - 1 < 32);
rk_clrsetreg(&cru->clksel_con[21], ACLK_EMMC_PLL_SEL_MASK | ACLK_EMMC_DIV_CON_MASK, @@ -808,7 +809,7 @@ static ulong rk3399_mmc_set_clk(struct rk3399_cru *cru,
/* Select clk_emmc source from GPLL too */ src_clk_div = DIV_ROUND_UP(GPLL_HZ, set_rate); - assert(src_clk_div - 1 < 127); + assert(src_clk_div - 1 < 128);
rk_clrsetreg(&cru->clksel_con[22], CLK_EMMC_PLL_MASK | CLK_EMMC_DIV_CON_MASK, diff --git a/drivers/clk/rockchip/clk_rv1108.c b/drivers/clk/rockchip/clk_rv1108.c index 818293d..cf966bb 100644 --- a/drivers/clk/rockchip/clk_rv1108.c +++ b/drivers/clk/rockchip/clk_rv1108.c @@ -25,9 +25,6 @@ enum { OUTPUT_MIN_HZ = 24 * 1000000, };
-#define RATE_TO_DIV(input_rate, output_rate) \ - ((input_rate) / (output_rate) - 1); - #define DIV_TO_RATE(input_rate, div) ((input_rate) / ((div) + 1))
#define PLL_DIVISORS(hz, _refdiv, _postdiv1, _postdiv2) {\
participants (1)
-
Kever Yang