#include <errno.h>
#include <mapmem.h>
#include <syscon.h>
+#include <bitfield.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/cru_rk3399.h>
/* CLKSEL_CON26 */
CLK_SARADC_DIV_CON_SHIFT = 8,
- CLK_SARADC_DIV_CON_MASK = 0xff << CLK_SARADC_DIV_CON_SHIFT,
+ CLK_SARADC_DIV_CON_MASK = GENMASK(15, 8),
+ CLK_SARADC_DIV_CON_WIDTH = 8,
/* CLKSEL_CON27 */
CLK_TSADC_SEL_X24M = 0x0,
break;
default:
- error("%s: SPI clk-id %ld not supported\n", __func__, clk_id);
+ pr_err("%s: SPI clk-id %ld not supported\n", __func__, clk_id);
return -EINVAL;
}
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:
break;
default:
- error("%s: SPI clk-id %ld not supported\n", __func__, clk_id);
+ pr_err("%s: SPI clk-id %ld not supported\n", __func__, clk_id);
return -EINVAL;
}
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);
}
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) {
+ if (src_clk_div > 128) {
/* 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);
+ 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 |
break;
case SCLK_EMMC:
/* Select aclk_emmc source from GPLL */
- src_clk_div = GPLL_HZ / aclk_emmc;
- assert(src_clk_div - 1 < 31);
+ src_clk_div = DIV_ROUND_UP(GPLL_HZ , aclk_emmc);
+ assert(src_clk_div - 1 < 32);
rk_clrsetreg(&cru->clksel_con[21],
ACLK_EMMC_PLL_SEL_MASK | ACLK_EMMC_DIV_CON_MASK,
(src_clk_div - 1) << ACLK_EMMC_DIV_CON_SHIFT);
/* Select clk_emmc source from GPLL too */
- src_clk_div = GPLL_HZ / set_rate;
- assert(src_clk_div - 1 < 127);
+ src_clk_div = DIV_ROUND_UP(GPLL_HZ, set_rate);
+ assert(src_clk_div - 1 < 128);
rk_clrsetreg(&cru->clksel_con[22],
CLK_EMMC_PLL_MASK | CLK_EMMC_DIV_CON_MASK,
{.refdiv = 1, .fbdiv = 116, .postdiv1 = 3, .postdiv2 = 1};
break;
default:
- error("Unsupported SDRAM frequency!,%ld\n", set_rate);
+ pr_err("Unsupported SDRAM frequency!,%ld\n", set_rate);
}
rkclk_set_pll(&cru->dpll_con[0], &dpll_cfg);
return set_rate;
}
+
+static ulong rk3399_saradc_get_clk(struct rk3399_cru *cru)
+{
+ u32 div, val;
+
+ val = readl(&cru->clksel_con[26]);
+ div = bitfield_extract(val, CLK_SARADC_DIV_CON_SHIFT,
+ CLK_SARADC_DIV_CON_WIDTH);
+
+ return DIV_TO_RATE(OSC_HZ, div);
+}
+
+static ulong rk3399_saradc_set_clk(struct rk3399_cru *cru, uint hz)
+{
+ int src_clk_div;
+
+ src_clk_div = DIV_ROUND_UP(OSC_HZ, hz) - 1;
+ assert(src_clk_div < 128);
+
+ rk_clrsetreg(&cru->clksel_con[26],
+ CLK_SARADC_DIV_CON_MASK,
+ src_clk_div << CLK_SARADC_DIV_CON_SHIFT);
+
+ return rk3399_saradc_get_clk(cru);
+}
+
static ulong rk3399_clk_get_rate(struct clk *clk)
{
struct rk3399_clk_priv *priv = dev_get_priv(clk->dev);
break;
case PCLK_EFUSE1024NS:
break;
+ case SCLK_SARADC:
+ rate = rk3399_saradc_get_clk(priv->cru);
+ break;
default:
return -ENOENT;
}
break;
case PCLK_EFUSE1024NS:
break;
+ case SCLK_SARADC:
+ ret = rk3399_saradc_set_clk(priv->cru, rate);
+ break;
default:
return -ENOENT;
}
return ret;
}
+static int rk3399_clk_enable(struct clk *clk)
+{
+ switch (clk->id) {
+ case HCLK_HOST0:
+ case HCLK_HOST0_ARB:
+ case HCLK_HOST1:
+ case HCLK_HOST1_ARB:
+ return 0;
+ }
+
+ debug("%s: unsupported clk %ld\n", __func__, clk->id);
+ return -ENOENT;
+}
+
static struct clk_ops rk3399_clk_ops = {
.get_rate = rk3399_clk_get_rate,
.set_rate = rk3399_clk_set_rate,
+ .enable = rk3399_clk_enable,
};
static int rk3399_clk_probe(struct udevice *dev)
#if CONFIG_IS_ENABLED(OF_PLATDATA)
struct rk3399_clk_plat *plat = dev_get_platdata(dev);
- priv->cru = map_sysmem(plat->dtd.reg[1], plat->dtd.reg[3]);
+ priv->cru = map_sysmem(plat->dtd.reg[0], plat->dtd.reg[1]);
#endif
rkclk_init(priv->cru);
#endif
#if !CONFIG_IS_ENABLED(OF_PLATDATA)
struct rk3399_clk_priv *priv = dev_get_priv(dev);
- priv->cru = (struct rk3399_cru *)dev_get_addr(dev);
+ priv->cru = dev_read_addr_ptr(dev);
#endif
return 0;
}
#if CONFIG_IS_ENABLED(OF_PLATDATA)
struct rk3399_pmuclk_plat *plat = dev_get_platdata(dev);
- priv->pmucru = map_sysmem(plat->dtd.reg[1], plat->dtd.reg[3]);
+ priv->pmucru = map_sysmem(plat->dtd.reg[0], plat->dtd.reg[1]);
#endif
#ifndef CONFIG_SPL_BUILD
#if !CONFIG_IS_ENABLED(OF_PLATDATA)
struct rk3399_pmuclk_priv *priv = dev_get_priv(dev);
- priv->pmucru = (struct rk3399_pmucru *)dev_get_addr(dev);
+ priv->pmucru = dev_read_addr_ptr(dev);
#endif
return 0;
}
projects / oweals / u-boot.git / blobdiff