ac6070a79f
Tracker is a debugging tool, and MT8186 only supports AP tracker. When bus timeout occurs, the system reboots and latches some values which could be used for debugging. This function will be triggered only when it encounters the bug hanging issue. BUG=b:202871018 TEST=range of registers are dumped as expected. Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com> Change-Id: Ie023de2a6f7421a16b2516baa0bf0bf6fff589e2 Reviewed-on: https://review.coreboot.org/c/coreboot/+/59990 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com>
48 lines
969 B
C
48 lines
969 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <console/console.h>
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#include <device/mmio.h>
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#include <soc/addressmap.h>
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#include <soc/tracker.h>
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#include <soc/tracker_common.h>
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__weak void tracker_setup(void)
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{
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/* do nothing. */
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}
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static void tracker_dump_data(void)
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{
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int i, j, k;
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int size;
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uintptr_t reg;
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struct tracker *tra;
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for (j = 0; j < TRACKER_NUM; j++) {
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tra = &tracker_data[j];
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if (!(read32((void *)(tra->base_addr)) & tra->timeout))
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continue;
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printk(BIOS_INFO, "**Dump %s debug register start**\n", tra->str);
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for (k = 0; k < 2; k++) {
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size = 2 * tra->entry;
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for (i = 0; i < size; i++) {
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reg = tra->base_addr + tra->offset[k] + i * 4;
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printk(BIOS_INFO, "%#lx:%#x,", reg, read32((void *)reg));
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if (i % 4 == 3 || i == size - 1)
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printk(BIOS_INFO, "\n");
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}
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}
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printk(BIOS_INFO, "**Dump %s debug register end**\n", tra->str);
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}
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}
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void bustracker_init(void)
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{
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tracker_dump_data();
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tracker_setup();
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}
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