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) {\
switch (periph) {
case HCLK_EMMC:
+ case SCLK_EMMC:
con = readl(&cru->cru_clksel_con[12]);
div = (con >> EMMC_DIV_SHIFT) & EMMC_DIV_MASK;
break;
case HCLK_SDMMC:
+ case SCLK_SDMMC:
con = readl(&cru->cru_clksel_con[11]);
div = (con >> MMC0_DIV_SHIFT) & MMC0_DIV_MASK;
break;
case HCLK_SDIO:
+ case SCLK_SDIO:
con = readl(&cru->cru_clksel_con[12]);
div = (con >> SDIO_DIV_SHIFT) & SDIO_DIV_MASK;
break;
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,
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) - 1;
assert(src_clk_div <= 0x3f);
switch (periph) {
case HCLK_EMMC:
+ case SCLK_EMMC:
rk_clrsetreg(&cru->cru_clksel_con[12],
EMMC_DIV_MASK << EMMC_DIV_SHIFT,
src_clk_div << EMMC_DIV_SHIFT);
break;
case HCLK_SDMMC:
+ case SCLK_SDMMC:
rk_clrsetreg(&cru->cru_clksel_con[11],
MMC0_DIV_MASK << MMC0_DIV_SHIFT,
src_clk_div << MMC0_DIV_SHIFT);
break;
case HCLK_SDIO:
+ case SCLK_SDIO:
rk_clrsetreg(&cru->cru_clksel_con[12],
SDIO_DIV_MASK << SDIO_DIV_SHIFT,
src_clk_div << SDIO_DIV_SHIFT);
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);
* 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 |
case HCLK_EMMC:
case HCLK_SDMMC:
case HCLK_SDIO:
+ case SCLK_EMMC:
+ case SCLK_SDMMC:
+ case SCLK_SDIO:
new_rate = rockchip_mmc_get_clk(priv->cru, PERI_HCLK_HZ,
clk->id);
break;
case HCLK_EMMC:
case HCLK_SDMMC:
case HCLK_SDIO:
+ case SCLK_EMMC:
+ case SCLK_SDMMC:
+ case SCLK_SDIO:
new_rate = rockchip_mmc_set_clk(cru, PERI_HCLK_HZ,
clk->id, rate);
break;
#if !CONFIG_IS_ENABLED(OF_PLATDATA)
struct rk3188_clk_priv *priv = dev_get_priv(dev);
- priv->cru = (struct rk3188_cru *)dev_get_addr(dev);
+ priv->cru = (struct rk3188_cru *)devfdt_get_addr(dev);
#endif
return 0;