---

yaml --- r: 182960 b: refs/heads/master c: 346e34a h: refs/heads/master v: v3
git-mirror · Jan 12, 2010 · d8002c1 · d8002c1
1 parent 3ab2096
commit d8002c1
Show file tree

Hide file tree

Showing 3 changed files with 18 additions and 11 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1fbd972ad0f97253ebfbb04881dc4ad95541153c
+refs/heads/master: 346e34abb2c56695ee4bd6af924141c97a0babfb
diff --git a/trunk/arch/arm/mach-ep93xx/clock.c b/trunk/arch/arm/mach-ep93xx/clock.c
@@ -449,25 +449,29 @@ static int __init ep93xx_clock_init(void)
 	u32 value;
 	int i;
 
-	value = __raw_readl(EP93XX_SYSCON_CLOCK_SET1);
-	if (!(value & 0x00800000)) {			/* PLL1 bypassed?  */
+	/* Determine the bootloader configured pll1 rate */
+	value = __raw_readl(EP93XX_SYSCON_CLKSET1);
+	if (!(value & EP93XX_SYSCON_CLKSET1_NBYP1))
 		clk_pll1.rate = clk_xtali.rate;
-	} else {
+	else
 		clk_pll1.rate = calc_pll_rate(value);
-	}
+
+	/* Initialize the pll1 derived clocks */
 	clk_f.rate = clk_pll1.rate / fclk_divisors[(value >> 25) & 0x7];
 	clk_h.rate = clk_pll1.rate / hclk_divisors[(value >> 20) & 0x7];
 	clk_p.rate = clk_h.rate / pclk_divisors[(value >> 18) & 0x3];
 	ep93xx_dma_clock_init();
 
+	/* Determine the bootloader configured pll2 rate */
 	value = __raw_readl(EP93XX_SYSCON_CLOCK_SET2);
-	if (!(value & 0x00080000)) {			/* PLL2 bypassed?  */
+	if (!(value & EP93XX_SYSCON_CLKSET2_NBYP2))
 		clk_pll2.rate = clk_xtali.rate;
-	} else if (value & 0x00040000) {		/* PLL2 enabled?  */
+	else if (value & EP93XX_SYSCON_CLKSET2_PLL2_EN)
 		clk_pll2.rate = calc_pll_rate(value);
-	} else {
+	else
 		clk_pll2.rate = 0;
-	}
+
+	/* Initialize the pll2 derived clocks */
 	clk_usb_host.rate = clk_pll2.rate / (((value >> 28) & 0xf) + 1);
 
 	pr_info("PLL1 running at %ld MHz, PLL2 at %ld MHz\n",

diff --git a/trunk/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h b/trunk/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
@@ -167,8 +167,11 @@
 #define EP93XX_SYSCON_PWRCNT_DMA_M2P1	(1<<16)
 #define EP93XX_SYSCON_HALT		EP93XX_SYSCON_REG(0x08)
 #define EP93XX_SYSCON_STANDBY		EP93XX_SYSCON_REG(0x0c)
-#define EP93XX_SYSCON_CLOCK_SET1	EP93XX_SYSCON_REG(0x20)
-#define EP93XX_SYSCON_CLOCK_SET2	EP93XX_SYSCON_REG(0x24)
+#define EP93XX_SYSCON_CLKSET1		EP93XX_SYSCON_REG(0x20)
+#define EP93XX_SYSCON_CLKSET1_NBYP1	(1<<23)
+#define EP93XX_SYSCON_CLKSET2		EP93XX_SYSCON_REG(0x24)
+#define EP93XX_SYSCON_CLKSET2_NBYP2	(1<<19)
+#define EP93XX_SYSCON_CLKSET2_PLL2_EN	(1<<18)
 #define EP93XX_SYSCON_DEVCFG		EP93XX_SYSCON_REG(0x80)
 #define EP93XX_SYSCON_DEVCFG_SWRST	(1<<31)
 #define EP93XX_SYSCON_DEVCFG_D1ONG	(1<<30)