{
int product;
int base_clock = AR7_REF_CLOCK;
- u32 ctrl = clock->ctrl;
- u32 pll = clock->pll;
+ u32 ctrl = readl(&clock->ctrl);
+ u32 pll = readl(&clock->pll);
int prediv = ((ctrl & PREDIV_MASK) >> PREDIV_SHIFT) + 1;
int postdiv = (ctrl & POSTDIV_MASK) + 1;
int divisor = prediv * postdiv;
static void tnetd7300_set_clock(u32 shift, struct tnetd7300_clock *clock,
u32 *bootcr, u32 frequency)
{
- u32 status;
int prediv, postdiv, mul;
int base_clock = ar7_bus_clock;
calculate(base_clock, frequency, &prediv, &postdiv, &mul);
- clock->ctrl = ((prediv - 1) << PREDIV_SHIFT) | (postdiv - 1);
+ writel(((prediv - 1) << PREDIV_SHIFT) | (postdiv - 1), &clock->ctrl);
mdelay(1);
- clock->pll = 4;
- do
- status = clock->pll;
- while (status & PLL_STATUS);
- clock->pll = ((mul - 1) << MUL_SHIFT) | (0xff << 3) | 0x0e;
+ writel(4, &clock->pll);
+ while (readl(&clock->pll) & PLL_STATUS);
+ writel(((mul - 1) << MUL_SHIFT) | (0xff << 3) | 0x0e, &clock->pll);
mdelay(75);
}
static int tnetd7200_get_clock(int base, struct tnetd7200_clock *clock,
u32 *bootcr, u32 bus_clock)
{
- int divisor = ((clock->prediv & 0x1f) + 1) *
- ((clock->postdiv & 0x1f) + 1);
+ int divisor = ((readl(&clock->prediv) & 0x1f) + 1) *
+ ((readl(&clock->postdiv) & 0x1f) + 1);
if (*bootcr & BOOT_PLL_BYPASS)
return base / divisor;
- return base * ((clock->mul & 0xf) + 1) / divisor;
+ return base * ((readl(&clock->mul) & 0xf) + 1) / divisor;
}
"postdiv = %d, postdiv2 = %d, mul = %d\n",
base, frequency, prediv, postdiv, postdiv2, mul);
- clock->ctrl = 0;
- clock->prediv = DIVISOR_ENABLE_MASK | ((prediv - 1) & 0x1F);
- clock->mul = ((mul - 1) & 0xF);
+ writel(0, &clock->ctrl);
+ writel(DIVISOR_ENABLE_MASK | ((prediv - 1) & 0x1F), &clock->prediv);
+ writel((mul - 1) & 0xF, &clock->mul);
for (mul = 0; mul < 2000; mul++) /* nop */;
- while (clock->status & 0x1) /* nop */;
+ while (readl(&clock->status) & 0x1) /* nop */;
- clock->postdiv = DIVISOR_ENABLE_MASK | ((postdiv - 1) & 0x1F);
+ writel(DIVISOR_ENABLE_MASK | ((postdiv - 1) & 0x1F), &clock->postdiv);
- clock->cmden |= 1;
- clock->cmd |= 1;
+ writel(readl(&clock->cmden) | 1, &clock->cmden);
+ writel(readl(&clock->cmd) | 1, &clock->cmd);
- while (clock->status & 0x1) /* nop */;
+ while (readl(&clock->status) & 0x1) /* nop */;
- clock->postdiv2 = DIVISOR_ENABLE_MASK | ((postdiv2 - 1) & 0x1F);
+ writel(DIVISOR_ENABLE_MASK | ((postdiv2 - 1) & 0x1F), &clock->postdiv2);
- clock->cmden |= 1;
- clock->cmd |= 1;
+ writel(readl(&clock->cmden) | 1, &clock->cmden);
+ writel(readl(&clock->cmd) | 1, &clock->cmd);
- while (clock->status & 0x1) /* nop */;
+ while (readl(&clock->status) & 0x1) /* nop */;
- clock->ctrl |= 1;
+ writel(readl(&clock->ctrl) | 1, &clock->ctrl);
}
static int tnetd7200_get_clock_base(int clock_id, u32 *bootcr)
printk(KERN_INFO "Clocks: Sync 1:1 mode\n");
printk(KERN_INFO "Clocks: Setting DSP clock\n");
- calculate(dsp_base, TNETD7200_DEF_CPU_CLK, &dsp_prediv,
+ calculate(dsp_base, TNETD7200_DEF_DSP_CLK, &dsp_prediv,
&dsp_postdiv, &dsp_mul);
ar7_bus_clock = ((dsp_base / dsp_prediv) * dsp_mul)
/ dsp_postdiv;