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l4t: Add panic dump (PSTORE)

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This commit is contained in:
CTCaer
2020-07-19 20:32:22 +03:00
parent b8ca88ee0a
commit af0cd34f92
4 changed files with 28 additions and 6 deletions
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21
bootloader/main.c
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@@ -44,6 +44,7 @@
#include <soc/fuse.h>
#include <soc/hw_init.h>
#include <soc/i2c.h>
#include <soc/pmc.h>
#include <soc/t210.h>
#include <soc/uart.h>
#include "storage/emummc.h"
@@ -1144,6 +1145,13 @@ static void _show_errors()
if (*excp_enabled == EXCP_MAGIC)
h_cfg.errors |= ERR_EXCEPT_ENB;
if (PMC(APBDEV_PMC_SCRATCH37) & PMC_SCRATCH37_KERNEL_PANIC_FLAG)
{
// Set error and clear flag.
h_cfg.errors |= ERR_L4T_KERNEL;
PMC(APBDEV_PMC_SCRATCH37) &= ~PMC_SCRATCH37_KERNEL_PANIC_FLAG;
}
if (h_cfg.errors)
{
gfx_clear_grey(0x1B);
@@ -1152,10 +1160,10 @@ static void _show_errors()
if (h_cfg.errors & ERR_LIBSYS_LP0)
WPRINTF("Missing LP0 (sleep mode) lib!\n");
if (h_cfg.errors & ERR_SYSOLD_MTC)
if (h_cfg.errors & ERR_LIBSYS_MTC)
WPRINTF("Missing or old Minerva lib!\n");
if (h_cfg.errors & ~ERR_EXCEPT_ENB)
if (h_cfg.errors & ~(ERR_EXCEPT_ENB | ERR_L4T_KERNEL))
{
WPRINTF("\nUpdate bootloader folder!\n\n");
}
@@ -1184,6 +1192,13 @@ static void _show_errors()
*excp_enabled = 0;
}
if (h_cfg.errors & ERR_L4T_KERNEL)
{
WPRINTF("Panic occurred while running L4T.\n");
if (!sd_save_to_file((void *)PSTORE_ADDR, PSTORE_SZ, "L4T_panic.bin"))
WPRINTF("PSTORE saved to L4T_panic.bin\n");
}
WPRINTF("Press any key...");
msleep(1000);
@@ -1486,7 +1501,7 @@ void ipl_main()
// Train DRAM and switch to max frequency.
if (minerva_init())
h_cfg.errors |= ERR_SYSOLD_MTC;
h_cfg.errors |= ERR_LIBSYS_MTC;
display_init();