diff options
| author | Sergei Shtylyov <sshtylyov@ru.mvista.com> | 2006-09-03 20:17:10 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2006-10-30 22:41:26 +0100 |
| commit | 53c1b192ece077e1c3892e6afb453ab6f009af81 (patch) | |
| tree | 559e2bb25c676098a1d063a1da3a513449a99695 /arch/mips/au1000/common/time.c | |
| parent | [MIPS] Oprofile: fix on non-VSMP / non-SMTC SMP configurations. (diff) | |
| download | linux-53c1b192ece077e1c3892e6afb453ab6f009af81.tar.xz linux-53c1b192ece077e1c3892e6afb453ab6f009af81.zip | |
[MIPS] Au1xx0 code sets incorrect mips_hpt_frequency
Alchemy CPU counter ticks at the full CPU clock speed.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/au1000/common/time.c')
| -rw-r--r-- | arch/mips/au1000/common/time.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/mips/au1000/common/time.c b/arch/mips/au1000/common/time.c index 94f09194d63d..7313ef234d8c 100644 --- a/arch/mips/au1000/common/time.c +++ b/arch/mips/au1000/common/time.c @@ -231,7 +231,6 @@ wakeup_counter0_set(int ticks) */ unsigned long cal_r4koff(void) { - unsigned long count; unsigned long cpu_speed; unsigned long flags; unsigned long counter; @@ -258,7 +257,7 @@ unsigned long cal_r4koff(void) #if defined(CONFIG_AU1000_USE32K) { - unsigned long start, end; + unsigned long start, end, count; start = au_readl(SYS_RTCREAD); start += 2; @@ -282,7 +281,6 @@ unsigned long cal_r4koff(void) #else cpu_speed = (au_readl(SYS_CPUPLL) & 0x0000003f) * AU1000_SRC_CLK; - count = cpu_speed / 2; #endif } else { @@ -291,10 +289,9 @@ unsigned long cal_r4koff(void) * NOTE: some old silicon doesn't allow reading the PLL. */ cpu_speed = (au_readl(SYS_CPUPLL) & 0x0000003f) * AU1000_SRC_CLK; - count = cpu_speed / 2; no_au1xxx_32khz = 1; } - mips_hpt_frequency = count; + mips_hpt_frequency = cpu_speed; // Equation: Baudrate = CPU / (SD * 2 * CLKDIV * 16) set_au1x00_uart_baud_base(cpu_speed / (2 * ((int)(au_readl(SYS_POWERCTRL)&0x03) + 2) * 16)); spin_unlock_irqrestore(&time_lock, flags); |