rockchip: rk3288: clock: Fix various minor errors
authorSimon Glass <sjg@chromium.org>
Fri, 22 Jan 2016 02:45:15 +0000 (19:45 -0700)
committerSimon Glass <sjg@chromium.org>
Fri, 22 Jan 2016 03:42:37 +0000 (20:42 -0700)
Fix a number of small errors which were found in reviewing the clock code.

Signed-off-by: Simon Glass <sjg@chromium.org>
drivers/clk/clk_rk3288.c

index ad7c34f445b30a644e4c2e9cc9f39cd4880239b0..8ef68fe0cd2b761b39188daac18f1f00d839bd43 100644 (file)
@@ -83,8 +83,13 @@ enum {
         * peripheral bus pclk div:
         * aclk_bus: pclk_bus = 1:1 or 2:1 or 4:1 or 8:1
         */
+       PERI_SEL_PLL_MASK        = 1,
+       PERI_SEL_PLL_SHIFT       = 15,
+       PERI_SEL_CPLL           = 0,
+       PERI_SEL_GPLL,
+
        PERI_PCLK_DIV_SHIFT     = 12,
-       PERI_PCLK_DIV_MASK      = 7,
+       PERI_PCLK_DIV_MASK      = 3,
 
        /* peripheral bus hclk div: aclk_bus: hclk_bus = 1:1 or 2:1 or 4:1 */
        PERI_HCLK_DIV_SHIFT     = 8,
@@ -160,13 +165,13 @@ static int rkclk_set_pll(struct rk3288_cru *cru, enum rk_clk_id clk_id,
        uint vco_hz = OSC_HZ / 1000 * div->nf / div->nr * 1000;
        uint output_hz = vco_hz / div->no;
 
-       debug("PLL at %p: nf=%d, nr=%d, no=%d, vco=%u Hz, output=%u Hz\n",
-             pll, div->nf, div->nr, div->no, vco_hz, output_hz);
+       debug("PLL at %x: nf=%d, nr=%d, no=%d, vco=%u Hz, output=%u Hz\n",
+             (uint)pll, div->nf, div->nr, div->no, vco_hz, output_hz);
        assert(vco_hz >= VCO_MIN_HZ && vco_hz <= VCO_MAX_HZ &&
               output_hz >= OUTPUT_MIN_HZ && output_hz <= OUTPUT_MAX_HZ &&
               (div->no == 1 || !(div->no % 2)));
 
-       /* enter rest */
+       /* enter reset */
        rk_setreg(&pll->con3, 1 << PLL_RESET_SHIFT);
 
        rk_clrsetreg(&pll->con0,
@@ -177,7 +182,7 @@ static int rkclk_set_pll(struct rk3288_cru *cru, enum rk_clk_id clk_id,
 
        udelay(10);
 
-       /* return form rest */
+       /* return from reset */
        rk_clrreg(&pll->con3, 1 << PLL_RESET_SHIFT);
 
        return 0;
@@ -199,7 +204,6 @@ static int rkclk_configure_ddr(struct rk3288_cru *cru, struct rk3288_grf *grf,
        };
        int cfg;
 
-       debug("%s: cru=%p, grf=%p, hz=%u\n", __func__, cru, grf, hz);
        switch (hz) {
        case 300000000:
                cfg = 0;
@@ -214,7 +218,7 @@ static int rkclk_configure_ddr(struct rk3288_cru *cru, struct rk3288_grf *grf,
                cfg = 3;
                break;
        default:
-               debug("Unsupported SDRAM frequency, add to clock.c!");
+               debug("Unsupported SDRAM frequency");
                return -EINVAL;
        }
 
@@ -420,6 +424,7 @@ static void rkclk_init(struct rk3288_cru *cru, struct rk3288_grf *grf)
                     PERI_PCLK_DIV_MASK << PERI_PCLK_DIV_SHIFT |
                     PERI_HCLK_DIV_MASK << PERI_HCLK_DIV_SHIFT |
                     PERI_ACLK_DIV_MASK << PERI_ACLK_DIV_SHIFT,
+                    PERI_SEL_GPLL << PERI_SEL_PLL_SHIFT |
                     pclk_div << PERI_PCLK_DIV_SHIFT |
                     hclk_div << PERI_HCLK_DIV_SHIFT |
                     aclk_div << PERI_ACLK_DIV_SHIFT);
@@ -787,7 +792,7 @@ static const char *const clk_name[CLK_COUNT] = {
        "dpll",
        "cpll",
        "gpll",
-       "mpll",
+       "npll",
 };
 
 static int rk3288_clk_bind(struct udevice *dev)