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Add trace support to generic board

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Add hooks for tracing to generic board, including:

- allow early tracing to start early as possible in U-Boot
- reserve memory for trace buffer
- copy early trace buffer to main trace buffer after relocation
- setup full tracing support after relocation

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2013-06-11 11:14:42 -07:00
committed by Tom Rini
parent 5c2aeac5ae
commit 71c52dba2b
3 changed files with 30 additions and 1 deletions
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17
common/board_f.c
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@ -53,6 +53,7 @@
#include <os.h>
#include <post.h>
#include <spi.h>
#include <trace.h>
#include <watchdog.h>
#include <asm/errno.h>
#include <asm/io.h>
@ -500,6 +501,18 @@ static int reserve_lcd(void)
}
#endif /* CONFIG_LCD */
static int reserve_trace(void)
{
#ifdef CONFIG_TRACE
gd->relocaddr -= CONFIG_TRACE_BUFFER_SIZE;
gd->trace_buff = map_sysmem(gd->relocaddr, CONFIG_TRACE_BUFFER_SIZE);
debug("Reserving %dk for trace data at: %08lx\n",
CONFIG_TRACE_BUFFER_SIZE >> 10, gd->relocaddr);
#endif
return 0;
}
#if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) \
&& !defined(CONFIG_ARM) && !defined(CONFIG_X86)
static int reserve_video(void)
@ -818,8 +831,9 @@ static init_fnc_t init_sequence_f[] = {
#ifdef CONFIG_SANDBOX
setup_ram_buf,
#endif
setup_fdt,
setup_mon_len,
setup_fdt,
trace_early_init,
#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
/* TODO: can this go into arch_cpu_init()? */
probecpu,
@ -963,6 +977,7 @@ static init_fnc_t init_sequence_f[] = {
#ifdef CONFIG_LCD
reserve_lcd,
#endif
reserve_trace,
/* TODO: Why the dependency on CONFIG_8xx? */
#if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) \
&& !defined(CONFIG_ARM) && !defined(CONFIG_X86)