diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/clk/clk_rk3288.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/clk/clk_rk3288.c b/drivers/clk/clk_rk3288.c index ad7c34f445..8ef68fe0cd 100644 --- a/drivers/clk/clk_rk3288.c +++ b/drivers/clk/clk_rk3288.c @@ -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) |