diff options
author | Andi Kleen <andi@basil.nowhere.org> | 2006-11-21 10:22:09 +0100 |
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committer | Andi Kleen <andi@basil.nowhere.org> | 2006-11-21 10:22:09 +0100 |
commit | 1b7f6a626f0ff511c3840678466cbfe1d62c0b29 (patch) | |
tree | 415e8c838c0067bff384afb8a2c91e5f7c6d11d3 /arch/mips/sibyte/sb1250/time.c | |
parent | b3edc9cec07ade41aaf1804f7c9e876afa90c862 (diff) | |
parent | 3f5a6ca31c334011fd929501a078424c0d3f71be (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/mips/sibyte/sb1250/time.c')
-rw-r--r-- | arch/mips/sibyte/sb1250/time.c | 28 |
1 files changed, 4 insertions, 24 deletions
diff --git a/arch/mips/sibyte/sb1250/time.c b/arch/mips/sibyte/sb1250/time.c index 0ccf1796dd7..bcb74f2c194 100644 --- a/arch/mips/sibyte/sb1250/time.c +++ b/arch/mips/sibyte/sb1250/time.c @@ -47,15 +47,11 @@ #define SB1250_HPT_NUM 3 #define SB1250_HPT_VALUE M_SCD_TIMER_CNT /* max value */ -#define SB1250_HPT_SHIFT ((sizeof(unsigned int)*8)-V_SCD_TIMER_WIDTH) extern int sb1250_steal_irq(int irq); static unsigned int sb1250_hpt_read(void); -static void sb1250_hpt_init(unsigned int); - -static unsigned int hpt_offset; void __init sb1250_hpt_setup(void) { @@ -69,13 +65,9 @@ void __init sb1250_hpt_setup(void) __raw_writeq(M_SCD_TIMER_ENABLE | M_SCD_TIMER_MODE_CONTINUOUS, IOADDR(A_SCD_TIMER_REGISTER(SB1250_HPT_NUM, R_SCD_TIMER_CFG))); - /* - * we need to fill 32 bits, so just use the upper 23 bits and pretend - * the timer is going 512Mhz instead of 1Mhz - */ - mips_hpt_frequency = V_SCD_TIMER_FREQ << SB1250_HPT_SHIFT; - mips_hpt_init = sb1250_hpt_init; + mips_hpt_frequency = V_SCD_TIMER_FREQ; mips_hpt_read = sb1250_hpt_read; + mips_hpt_mask = M_SCD_TIMER_INIT; } } @@ -149,11 +141,7 @@ void sb1250_timer_interrupt(void) /* * The HPT is free running from SB1250_HPT_VALUE down to 0 then starts over - * again. There's no easy way to set to a specific value so store init value - * in hpt_offset and subtract each time. - * - * Note: Timer isn't full 32bits so shift it into the upper part making - * it appear to run at a higher frequency. + * again. */ static unsigned int sb1250_hpt_read(void) { @@ -161,13 +149,5 @@ static unsigned int sb1250_hpt_read(void) count = G_SCD_TIMER_CNT(__raw_readq(IOADDR(A_SCD_TIMER_REGISTER(SB1250_HPT_NUM, R_SCD_TIMER_CNT)))); - count = (SB1250_HPT_VALUE - count) << SB1250_HPT_SHIFT; - - return count - hpt_offset; -} - -static void sb1250_hpt_init(unsigned int count) -{ - hpt_offset = count; - return; + return SB1250_HPT_VALUE - count; } |