sam3: Rename src/sam3x8e to src/sam3

This is in preparation for merging sam3 and sam4 code into one
directory.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 0 insertions, 65 deletions

diff --git a/src/sam3x8e/timer.c b/src/sam3x8e/timer.c
deleted file mode 100644
index f7698c65..00000000
--- a/src/sam3x8e/timer.c
+++ /dev/null
@@ -1,65 +0,0 @@
-// SAM3x8e timer interrupt scheduling
-//
-// Copyright (C) 2016,2017  Kevin O'Connor <kevin@koconnor.net>
-//
-// This file may be distributed under the terms of the GNU GPLv3 license.
-
-#include "board/irq.h" // irq_disable
-#include "board/misc.h" // timer_read_time
-#include "board/timer_irq.h" // timer_dispatch_many
-#include "command.h" // DECL_SHUTDOWN
-#include "sam3x8e.h" // TC0
-#include "sched.h" // DECL_INIT
-
-// Set the next irq time
-static void
-timer_set(uint32_t value)
-{
-    TC0->TC_CHANNEL[0].TC_RA = value;
-}
-
-// Return the current time (in absolute clock ticks).
-uint32_t
-timer_read_time(void)
-{
-    return TC0->TC_CHANNEL[0].TC_CV;
-}
-
-// Activate timer dispatch as soon as possible
-void
-timer_kick(void)
-{
-    timer_set(timer_read_time() + 50);
-    TC0->TC_CHANNEL[0].TC_SR; // read to clear irq pending
-}
-
-void
-timer_init(void)
-{
-    TcChannel *tc = &TC0->TC_CHANNEL[0];
-    // Reset the timer
-    tc->TC_CCR = TC_CCR_CLKDIS;
-    tc->TC_IDR = 0xFFFFFFFF;
-    // Enable it
-    PMC->PMC_PCER0 = 1 << ID_TC0;
-    tc->TC_CMR = TC_CMR_WAVE | TC_CMR_WAVSEL_UP | TC_CMR_TCCLKS_TIMER_CLOCK1;
-    tc->TC_IER = TC_IER_CPAS;
-    NVIC_SetPriority(TC0_IRQn, 1);
-    NVIC_EnableIRQ(TC0_IRQn);
-    timer_kick();
-    tc->TC_CCR = TC_CCR_CLKEN | TC_CCR_SWTRG;
-}
-DECL_INIT(timer_init);
-
-// IRQ handler
-void __visible __aligned(16) // aligning helps stabilize perf benchmarks
-TC0_Handler(void)
-{
-    irq_disable();
-    uint32_t status = TC0->TC_CHANNEL[0].TC_SR; // read to clear irq pending
-    if (likely(status & TC_SR_CPAS)) {
-        uint32_t next = timer_dispatch_many();
-        timer_set(next);
-    }
-    irq_enable();
-}