drivers/pc80: Remove UDELAY_TIMER2
Change-Id: Ibc0a5f6e7be78be15f56b252be45a288b925183a Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/36534 Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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@ -18,9 +18,4 @@ config DRIVERS_PS2_KEYBOARD
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this option, then you can say N here to speed up boot time.
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Otherwise say Y.
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# This option is used in code but never selected.
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config UDELAY_TIMER2
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bool
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default n
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endif
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@ -32,24 +32,6 @@ void setup_i8254(void)
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outb(0x12, TIMER1_PORT);
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}
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#if CONFIG(UDELAY_TIMER2)
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static void load_timer2(unsigned int ticks)
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{
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/* Set up the timer gate, turn off the speaker */
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outb((inb(PPC_PORTB) & ~PPCB_SPKR) | PPCB_T2GATE, PPC_PORTB);
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outb(TIMER2_SEL | WORD_ACCESS | MODE0 | BINARY_COUNT, TIMER_MODE_PORT);
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outb(ticks & 0xFF, TIMER2_PORT);
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outb(ticks >> 8, TIMER2_PORT);
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}
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void udelay(int usecs)
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{
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load_timer2((usecs * TICKS_PER_MS) / 1000);
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while ((inb(PPC_PORTB) & PPCB_T2OUT) == 0)
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;
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}
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#endif
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#define CLOCK_TICK_RATE 1193180U /* Underlying HZ */
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/* ------ Calibrate the TSC -------
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