* (C) Copyright 2010
* Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <libfdt.h>
#include <netdev.h>
#include <led-display.h>
+#include <linux/err.h>
#include "mt46v32m16.h"
static u8 display_putc_pos;
static u8 display_out_pos;
-static u8 display_dot_enable;
-
void display_set(int cmd) {
if (cmd & DISPLAY_CLEAR) {
if (cmd & DISPLAY_HOME) {
display_putc_pos = 0;
}
-
- if (cmd & DISPLAY_MARK) {
- display_dot_enable = 1;
- } else {
- display_dot_enable = 0;
- }
}
#define SEG_A (1<<0)
* A..Z index 10..35
* - index 36
* _ index 37
+ * . index 38
*/
#define SYMBOL_DASH (36)
#define SYMBOL_UNDERLINE (37)
+#define SYMBOL_DOT (38)
static u8 display_char2seg7_tbl[]=
{
SEG_B | SEG_C | SEG_D | SEG_E | SEG_G, /* d */
SEG_A | SEG_D | SEG_E | SEG_F | SEG_G, /* E */
SEG_A | SEG_E | SEG_F | SEG_G, /* F */
- SEG_A | SEG_B | SEG_C | SEG_D | SEG_F | SEG_G, /* g */
+ 0, /* g - not displayed */
SEG_B | SEG_C | SEG_E | SEG_F | SEG_G, /* H */
- SEG_E | SEG_F, /* I */
- SEG_B | SEG_C | SEG_D | SEG_E, /* J */
- SEG_A, /* K - special 1 */
+ SEG_B | SEG_C, /* I */
+ 0, /* J - not displayed */
+ 0, /* K - not displayed */
SEG_D | SEG_E | SEG_F, /* L */
- SEG_B, /* m - special 2 */
- SEG_C | SEG_E | SEG_G, /* n */
- SEG_C | SEG_D | SEG_E | SEG_G, /* o */
+ 0, /* m - not displayed */
+ 0, /* n - not displayed */
+ SEG_A | SEG_B | SEG_C | SEG_D | SEG_E | SEG_F, /* O */
SEG_A | SEG_B | SEG_E | SEG_F | SEG_G, /* P */
- SEG_A | SEG_B | SEG_C | SEG_F | SEG_G, /* q */
- SEG_E | SEG_G, /* r */
+ 0, /* q - not displayed */
+ 0, /* r - not displayed */
SEG_A | SEG_C | SEG_D | SEG_F | SEG_G, /* S */
SEG_D | SEG_E | SEG_F | SEG_G, /* t */
SEG_B | SEG_C | SEG_D | SEG_E | SEG_F, /* U */
- SEG_C | SEG_D | SEG_E | SEG_F, /* V */
- SEG_C, /* w - special 3 */
- SEG_B | SEG_C | SEG_E | SEG_F | SEG_G, /* X */
+ 0, /* V - not displayed */
+ 0, /* w - not displayed */
+ 0, /* X - not displayed */
SEG_B | SEG_C | SEG_D | SEG_F | SEG_G, /* Y */
- SEG_A | SEG_B | SEG_D | SEG_E | SEG_G, /* Z */
+ 0, /* Z - not displayed */
SEG_G, /* - */
- SEG_D /* _ */
+ SEG_D, /* _ */
+ SEG_P /* . */
};
/* Convert char to the LED segments representation */
c -= 'A' - 10;
else if (c == '-')
c = SYMBOL_DASH;
- else if ((c == '_') || (c == '.'))
+ else if (c == '_')
c = SYMBOL_UNDERLINE;
+ else if (c == '.')
+ c = SYMBOL_DOT;
else
c = ' '; /* display unsupported symbols as space */
if (c != ' ')
val = display_char2seg7_tbl[(int)c];
- /* Handle DP LED here */
- if (display_dot_enable) {
- val |= SEG_P;
- }
-
return val;
}
-static inline int display_putc_nomark(char c)
+int display_putc(char c)
{
if (display_putc_pos >= DISPLAY_BUF_SIZE)
return -1;
return c;
}
-int display_putc(char c)
+/*
+ * Flush current symbol to the LED display hardware
+ */
+static inline void display_flush(void)
{
- /* Mark the codes from the "display" command with the DP LED */
- display_set(DISPLAY_MARK);
- return display_putc_nomark(c);
+ u32 val = display_buf[display_out_pos];
+
+ val |= (val << 8) | (val << 16) | (val << 24);
+ out_be32((void *)CONFIG_SYS_DISP_CHR_RAM, val);
}
/*
- * Output content of the software display buffer to the LED display every 0.5s
+ * Output contents of the software display buffer to the LED display every 0.5s
*/
void board_show_activity(ulong timestamp)
{
static ulong last;
static u8 once;
- u32 val;
if (!once || (timestamp - last >= (CONFIG_SYS_HZ / 2))) {
- val = display_buf[display_out_pos];
- val |= (val << 8) | (val << 16) | (val << 24);
- out_be32((void *)CONFIG_SYS_DISP_CHR_RAM, val);
+ display_flush();
display_out_pos ^= 1;
last = timestamp;
once = 1;
{
}
#endif
+#if defined (CONFIG_SHOW_BOOT_PROGRESS)
+static int a4m072_status2code(int status, char *buf)
+{
+ char c = 0;
+
+ if (((status > 0) && (status <= 8)) ||
+ ((status >= 100) && (status <= 108)) ||
+ ((status < 0) && (status >= -9)) ||
+ (status == -100) || (status == -101) ||
+ ((status <= -103) && (status >= -113))) {
+ c = '5';
+ } else if (((status >= 9) && (status <= 14)) ||
+ ((status >= 120) && (status <= 123)) ||
+ ((status >= 125) && (status <= 129)) ||
+ ((status >= -13) && (status <= -10)) ||
+ (status == -120) || (status == -122) ||
+ ((status <= -124) && (status >= -127)) ||
+ (status == -129)) {
+ c = '8';
+ } else if (status == 15) {
+ c = '9';
+ } else if ((status <= -30) && (status >= -32)) {
+ c = 'A';
+ } else if (((status <= -35) && (status >= -40)) ||
+ ((status <= -42) && (status >= -51)) ||
+ ((status <= -53) && (status >= -58)) ||
+ (status == -64) ||
+ ((status <= -80) && (status >= -83)) ||
+ (status == -130) || (status == -140) ||
+ (status == -150)) {
+ c = 'B';
+ }
+
+ if (c == 0)
+ return -EINVAL;
+
+ buf[0] = (status < 0) ? '-' : c;
+ buf[1] = c;
+
+ return 0;
+}
+
+void show_boot_progress(int status)
+{
+ char buf[2];
+
+ if (a4m072_status2code(status, buf) < 0)
+ return;
+
+ display_putc(buf[0]);
+ display_putc(buf[1]);
+ display_set(DISPLAY_HOME);
+ display_out_pos = 0; /* reset output position */
+
+ /* we want to flush status 15 now */
+ if (status == BOOTSTAGE_ID_RUN_OS)
+ display_flush();
+}
+#endif