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timer: litex_timer: Use LiteX HAL

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Use LiteX HAL functions instead of `sys_read*` or `sys_write*`
functions.
They use them inside, but choose which one to use according to
configured CSR data width.

Signed-off-by: Michal Sieron <msieron@internships.antmicro.com>
This commit is contained in:
Michal Sieron 2022-04-08 14:44:34 +02:00 committed by Carles Cufí
parent 2e9154a418
commit b9c836b70a
1 changed files with 7 additions and 11 deletions
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18
drivers/timer/litex_timer.c
View file

@ -32,7 +32,7 @@ static void litex_timer_irq_handler(const void *device)
{ {
int key = irq_lock(); int key = irq_lock();
sys_write8(TIMER_EV, TIMER_EV_PENDING_ADDR); litex_write8(TIMER_EV, TIMER_EV_PENDING_ADDR);
sys_clock_announce(1); sys_clock_announce(1);
irq_unlock(key); irq_unlock(key);
@ -79,18 +79,14 @@ static int sys_clock_driver_init(const struct device *dev)
litex_timer_irq_handler, NULL, 0); litex_timer_irq_handler, NULL, 0);
irq_enable(TIMER_IRQ); irq_enable(TIMER_IRQ);
sys_write8(TIMER_DISABLE, TIMER_EN_ADDR); litex_write8(TIMER_DISABLE, TIMER_EN_ADDR);
for (int i = 0; i < 4; i++) { litex_write32(k_ticks_to_cyc_floor32(1), TIMER_RELOAD_ADDR);
sys_write8(k_ticks_to_cyc_floor32(1) >> (24 - i * 8), litex_write32(k_ticks_to_cyc_floor32(1), TIMER_LOAD_ADDR);
TIMER_RELOAD_ADDR + i * 0x4);
sys_write8(k_ticks_to_cyc_floor32(1) >> (24 - i * 8),
TIMER_LOAD_ADDR + i * 0x4);
}
sys_write8(TIMER_ENABLE, TIMER_EN_ADDR); litex_write8(TIMER_ENABLE, TIMER_EN_ADDR);
sys_write8(sys_read8(TIMER_EV_PENDING_ADDR), TIMER_EV_PENDING_ADDR); litex_write8(litex_read8(TIMER_EV_PENDING_ADDR), TIMER_EV_PENDING_ADDR);
sys_write8(TIMER_EV, TIMER_EV_ENABLE_ADDR); litex_write8(TIMER_EV, TIMER_EV_ENABLE_ADDR);
return 0; return 0;
} }