Drop the log buffer

This does not appear to be used by any boards. Before introducing a new
log system, remove this old one.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

4 files changed, 2 insertions, 56 deletions

diff --git a/common/board_f.c b/common/board_f.c
index 9220815..1e8bf63 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -19,7 +19,6 @@
 #include <i2c.h>
 #include <initcall.h>
 #include <init_helpers.h>
-#include <logbuff.h>
 #include <malloc.h>
 #include <mapmem.h>
 #include <os.h>
@@ -296,20 +295,6 @@ static int setup_dest_addr(void)
 	return 0;
 }
 
-#if defined(CONFIG_LOGBUFFER)
-static int reserve_logbuffer(void)
-{
-#ifndef CONFIG_ALT_LB_ADDR
-	/* reserve kernel log buffer */
-	gd->relocaddr -= LOGBUFF_RESERVE;
-	debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN,
-		gd->relocaddr);
-#endif
-
-	return 0;
-}
-#endif
-
 #ifdef CONFIG_PRAM
 /* reserve protected RAM */
 static int reserve_pram(void)
@@ -846,9 +831,6 @@ static const init_fnc_t init_sequence_f[] = {
 	 *  - board info struct
 	 */
 	setup_dest_addr,
-#if defined(CONFIG_LOGBUFFER)
-	reserve_logbuffer,
-#endif
 #ifdef CONFIG_PRAM
 	reserve_pram,
 #endif
diff --git a/common/board_r.c b/common/board_r.c
index a3b9bfb..89729d7 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -30,7 +30,6 @@
 #if defined(CONFIG_CMD_KGDB)
 #include <kgdb.h>
 #endif
-#include <logbuff.h>
 #include <malloc.h>
 #include <mapmem.h>
 #ifdef CONFIG_BITBANGMII
@@ -200,19 +199,6 @@ static int initr_addr_map(void)
 }
 #endif
 
-#ifdef CONFIG_LOGBUFFER
-unsigned long logbuffer_base(void)
-{
-	return gd->ram_top - LOGBUFF_LEN;
-}
-
-static int initr_logbuffer(void)
-{
-	logbuff_init_ptrs();
-	return 0;
-}
-#endif
-
 #ifdef CONFIG_POST
 static int initr_post_backlog(void)
 {
@@ -628,7 +614,7 @@ static int initr_ide(void)
 }
 #endif
 
-#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
+#if defined(CONFIG_PRAM)
 /*
  * Export available size of memory for Linux, taking into account the
  * protected RAM at top of memory
@@ -641,10 +627,6 @@ int initr_mem(void)
 # ifdef CONFIG_PRAM
 	pram = env_get_ulong("pram", 10, CONFIG_PRAM);
 # endif
-# if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR)
-	/* Also take the logbuffer into account (pram is in kB) */
-	pram += (LOGBUFF_LEN + LOGBUFF_OVERHEAD) / 1024;
-# endif
 	sprintf(memsz, "%ldk", (long int) ((gd->ram_size / 1024) - pram));
 	env_set("mem", memsz);
 
@@ -753,9 +735,6 @@ static init_fnc_t init_sequence_r[] = {
 	board_early_init_r,
 #endif
 	INIT_FUNC_WATCHDOG_RESET
-#ifdef CONFIG_LOGBUFFER
-	initr_logbuffer,
-#endif
 #ifdef CONFIG_POST
 	initr_post_backlog,
 #endif
@@ -877,7 +856,7 @@ static init_fnc_t init_sequence_r[] = {
 	INIT_FUNC_WATCHDOG_RESET
 	initr_bedbug,
 #endif
-#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
+#if defined(CONFIG_PRAM)
 	initr_mem,
 #endif
 #ifdef CONFIG_PS2KBD
diff --git a/common/image.c b/common/image.c
index 4ec4744..4bcf6b3 100644
--- a/common/image.c
+++ b/common/image.c
@@ -15,10 +15,6 @@
 #include <status_led.h>
 #endif
 
-#ifdef CONFIG_LOGBUFFER
-#include <logbuff.h>
-#endif
-
 #include <rtc.h>
 
 #include <environment.h>
@@ -1154,11 +1150,6 @@ int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
 	}
 
 
-#ifdef CONFIG_LOGBUFFER
-	/* Prevent initrd from overwriting logbuffer */
-	lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
-#endif
-
 	debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
 			initrd_high, initrd_copy_to_ram);
 
diff --git a/common/stdio.c b/common/stdio.c
index ee4f0bd..2e5143a 100644
--- a/common/stdio.c
+++ b/common/stdio.c
@@ -17,9 +17,6 @@
 #include <malloc.h>
 #include <stdio_dev.h>
 #include <serial.h>
-#ifdef CONFIG_LOGBUFFER
-#include <logbuff.h>
-#endif
 
 #if defined(CONFIG_SYS_I2C)
 #include <i2c.h>
@@ -381,9 +378,6 @@ int stdio_add_devices(void)
 #if defined(CONFIG_KEYBOARD) && !defined(CONFIG_DM_KEYBOARD)
 	drv_keyboard_init ();
 #endif
-#ifdef CONFIG_LOGBUFFER
-	drv_logbuff_init ();
-#endif
 	drv_system_init ();
 	serial_stdio_init ();
 #ifdef CONFIG_USB_TTY