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Diffstat (limited to 'board/amcc/taihu/lcd.c')
-rw-r--r--board/amcc/taihu/lcd.c237
1 files changed, 0 insertions, 237 deletions
diff --git a/board/amcc/taihu/lcd.c b/board/amcc/taihu/lcd.c
deleted file mode 100644
index c7c7fa4439..0000000000
--- a/board/amcc/taihu/lcd.c
+++ /dev/null
@@ -1,237 +0,0 @@
-/*
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <config.h>
-#include <common.h>
-#include <command.h>
-#include <asm/io.h>
-#include <asm/ppc4xx-gpio.h>
-
-#define LCD_CMD_ADDR 0x50100002
-#define LCD_DATA_ADDR 0x50100003
-#define LCD_BLK_CTRL CPLD_REG1_ADDR
-
-static char *amcc_logo = "AMCC 405EP TAIHU EVALUATION KIT";
-static int addr_flag = 0x80;
-
-static void lcd_bl_ctrl(char val)
-{
- out_8((u8 *) LCD_BLK_CTRL, in_8((u8 *) LCD_BLK_CTRL) | val);
-}
-
-static void lcd_putc(int val)
-{
- int i = 100;
- char addr;
-
- while (i--) {
- if ((in_8((u8 *) LCD_CMD_ADDR) & 0x80) != 0x80) { /*BF = 1 ?*/
- udelay(50);
- break;
- }
- udelay(50);
- }
-
- if (in_8((u8 *) LCD_CMD_ADDR) & 0x80) {
- printf("LCD is busy\n");
- return;
- }
-
- addr = in_8((u8 *) LCD_CMD_ADDR);
- udelay(50);
- if ((addr != 0) && (addr % 0x10 == 0)) {
- addr_flag ^= 0x40;
- out_8((u8 *) LCD_CMD_ADDR, addr_flag);
- }
-
- udelay(50);
- out_8((u8 *) LCD_DATA_ADDR, val);
- udelay(50);
-}
-
-static void lcd_puts(char *s)
-{
- char *p = s;
- int i = 100;
-
- while (i--) {
- if ((in_8((u8 *) LCD_CMD_ADDR) & 0x80) != 0x80) { /*BF = 1 ?*/
- udelay(50);
- break;
- }
- udelay(50);
- }
-
- if (in_8((u8 *) LCD_CMD_ADDR) & 0x80) {
- printf("LCD is busy\n");
- return;
- }
-
- while (*p)
- lcd_putc(*p++);
-}
-
-static void lcd_put_logo(void)
-{
- int i = 100;
- char *p = amcc_logo;
-
- while (i--) {
- if ((in_8((u8 *) LCD_CMD_ADDR) & 0x80) != 0x80) { /*BF = 1 ?*/
- udelay(50);
- break;
- }
- udelay(50);
- }
-
- if (in_8((u8 *) LCD_CMD_ADDR) & 0x80) {
- printf("LCD is busy\n");
- return;
- }
-
- out_8((u8 *) LCD_CMD_ADDR, 0x80);
- while (*p)
- lcd_putc(*p++);
-}
-
-int lcd_init(void)
-{
- puts("LCD: ");
- out_8((u8 *) LCD_CMD_ADDR, 0x38); /* set function:8-bit,2-line,5x7 font type */
- udelay(50);
- out_8((u8 *) LCD_CMD_ADDR, 0x0f); /* set display on,cursor on,blink on */
- udelay(50);
- out_8((u8 *) LCD_CMD_ADDR, 0x01); /* display clear */
- udelay(2000);
- out_8((u8 *) LCD_CMD_ADDR, 0x06); /* set entry */
- udelay(50);
- lcd_bl_ctrl(0x02); /* set backlight on */
- lcd_put_logo();
- puts("ready\n");
-
- return 0;
-}
-
-static int do_lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- out_8((u8 *) LCD_CMD_ADDR, 0x01);
- udelay(2000);
-
- return 0;
-}
-
-static int do_lcd_puts (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- if (argc < 2)
- return cmd_usage(cmdtp);
-
- lcd_puts(argv[1]);
-
- return 0;
-}
-
-static int do_lcd_putc (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- if (argc < 2)
- return cmd_usage(cmdtp);
-
- lcd_putc((char)argv[1][0]);
-
- return 0;
-}
-
-static int do_lcd_cur (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- ulong count;
- ulong dir;
- char cur_addr;
-
- if (argc < 3)
- return cmd_usage(cmdtp);
-
- count = simple_strtoul(argv[1], NULL, 16);
- if (count > 31) {
- printf("unable to shift > 0x20\n");
- count = 0;
- }
-
- dir = simple_strtoul(argv[2], NULL, 16);
- cur_addr = in_8((u8 *) LCD_CMD_ADDR);
- udelay(50);
-
- if (dir == 0x0) {
- if (addr_flag == 0x80) {
- if (count >= (cur_addr & 0xf)) {
- out_8((u8 *) LCD_CMD_ADDR, 0x80);
- udelay(50);
- count = 0;
- }
- } else {
- if (count >= ((cur_addr & 0x0f) + 0x0f)) {
- out_8((u8 *) LCD_CMD_ADDR, 0x80);
- addr_flag = 0x80;
- udelay(50);
- count = 0x0;
- } else if (count >= ( cur_addr & 0xf)) {
- count -= cur_addr & 0xf ;
- out_8((u8 *) LCD_CMD_ADDR, 0x80 | 0xf);
- addr_flag = 0x80;
- udelay(50);
- }
- }
- } else {
- if (addr_flag == 0x80) {
- if (count >= (0x1f - (cur_addr & 0xf))) {
- count = 0x0;
- addr_flag = 0xc0;
- out_8((u8 *) LCD_CMD_ADDR, 0xc0 | 0xf);
- udelay(50);
- } else if ((count + (cur_addr & 0xf ))>= 0x0f) {
- count = count + (cur_addr & 0xf) - 0x0f;
- addr_flag = 0xc0;
- out_8((u8 *) LCD_CMD_ADDR, 0xc0);
- udelay(50);
- }
- } else if ((count + (cur_addr & 0xf )) >= 0x0f) {
- count = 0x0;
- out_8((u8 *) LCD_CMD_ADDR, 0xC0 | 0x0F);
- udelay(50);
- }
- }
- while (count--) {
- if (dir == 0)
- out_8((u8 *) LCD_CMD_ADDR, 0x10);
- else
- out_8((u8 *) LCD_CMD_ADDR, 0x14);
- udelay(50);
- }
-
- return 0;
-}
-
-U_BOOT_CMD(
- lcd_cls, 1, 1, do_lcd_clear,
- "lcd clear display",
- ""
-);
-
-U_BOOT_CMD(
- lcd_puts, 2, 1, do_lcd_puts,
- "display string on lcd",
- "<string> - <string> to be displayed"
-);
-
-U_BOOT_CMD(
- lcd_putc, 2, 1, do_lcd_putc,
- "display char on lcd",
- "<char> - <char> to be displayed"
-);
-
-U_BOOT_CMD(
- lcd_cur, 3, 1, do_lcd_cur,
- "shift cursor on lcd",
- "<count> <dir> - shift cursor on lcd <count> times, direction is <dir> \n"
- " <count> - 0..31\n"
- " <dir> - 0=backward 1=forward"
-);