+++ /dev/null
-/*
- * (C) Copyright 2007
- * Stefan Roese, DENX Software Engineering, sr@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <config.h>
-#include <common.h>
-#include <command.h>
-#include <i2c.h>
-#include <miiphy.h>
-
-#ifdef CONFIG_TAISHAN
-
-#define LCD_DELAY_NORMAL_US 100
-#define LCD_DELAY_NORMAL_MS 2
-#define LCD_CMD_ADDR ((volatile char *)(CONFIG_SYS_EBC2_LCM_BASE))
-#define LCD_DATA_ADDR ((volatile char *)(CONFIG_SYS_EBC2_LCM_BASE+1))
-#define LCD_BLK_CTRL ((volatile char *)(CONFIG_SYS_EBC1_FPGA_BASE+0x2))
-
-static int g_lcd_init_b = 0;
-static char *amcc_logo = " AMCC TAISHAN 440GX EvalBoard";
-static char addr_flag = 0x80;
-
-static void lcd_bl_ctrl(char val)
-{
- char cpld_val;
-
- cpld_val = *LCD_BLK_CTRL;
- *LCD_BLK_CTRL = val | cpld_val;
-}
-
-static void lcd_putc(char val)
-{
- int i = 100;
- char addr;
-
- while (i--) {
- if ((*LCD_CMD_ADDR & 0x80) != 0x80) { /*BF = 1 ? */
- udelay(LCD_DELAY_NORMAL_US);
- break;
- }
- udelay(LCD_DELAY_NORMAL_US);
- }
-
- if (*LCD_CMD_ADDR & 0x80) {
- printf("LCD is busy\n");
- return;
- }
-
- addr = *LCD_CMD_ADDR;
- udelay(LCD_DELAY_NORMAL_US);
- if ((addr != 0) && (addr % 0x10 == 0)) {
- addr_flag ^= 0x40;
- *LCD_CMD_ADDR = addr_flag;
- }
-
- udelay(LCD_DELAY_NORMAL_US);
- *LCD_DATA_ADDR = val;
- udelay(LCD_DELAY_NORMAL_US);
-}
-
-static void lcd_puts(char *s)
-{
- char *p = s;
- int i = 100;
-
- while (i--) {
- if ((*LCD_CMD_ADDR & 0x80) != 0x80) { /*BF = 1 ? */
- udelay(LCD_DELAY_NORMAL_US);
- break;
- }
- udelay(LCD_DELAY_NORMAL_US);
- }
-
- if (*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 ((*LCD_CMD_ADDR & 0x80) != 0x80) { /*BF = 1 ? */
- udelay(LCD_DELAY_NORMAL_US);
- break;
- }
- udelay(LCD_DELAY_NORMAL_US);
- }
-
- if (*LCD_CMD_ADDR & 0x80) {
- printf("LCD is busy\n");
- return;
- }
-
- *LCD_CMD_ADDR = 0x80;
- while (*p)
- lcd_putc(*p++);
-}
-
-int lcd_init(void)
-{
- if (g_lcd_init_b == 0) {
- puts("LCD: ");
- mdelay(100); /* Waiting for the LCD initialize */
-
- *LCD_CMD_ADDR = 0x38; /*set function:8-bit,2-line,5x7 font type */
- udelay(LCD_DELAY_NORMAL_US);
-
- *LCD_CMD_ADDR = 0x0f; /*set display on,cursor on,blink on */
- udelay(LCD_DELAY_NORMAL_US);
-
- *LCD_CMD_ADDR = 0x01; /*display clear */
- mdelay(LCD_DELAY_NORMAL_MS);
-
- *LCD_CMD_ADDR = 0x06; /*set entry */
- udelay(LCD_DELAY_NORMAL_US);
-
- lcd_bl_ctrl(0x02);
- lcd_put_logo();
-
- puts(" ready\n");
- g_lcd_init_b = 1;
- }
-
- return 0;
-}
-
-static int do_lcd_test(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- lcd_init();
- return 0;
-}
-
-static int do_lcd_clear(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- *LCD_CMD_ADDR = 0x01;
- mdelay(LCD_DELAY_NORMAL_MS);
- 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 = *LCD_CMD_ADDR;
- udelay(LCD_DELAY_NORMAL_US);
- if (dir == 0x0) {
- if (addr_flag == 0x80) {
- if (count >= (cur_addr & 0xf)) {
- *LCD_CMD_ADDR = 0x80;
- udelay(LCD_DELAY_NORMAL_US);
- count = 0;
- }
- } else {
- if (count >= ((cur_addr & 0x0f) + 0x0f)) {
- *LCD_CMD_ADDR = 0x80;
- addr_flag = 0x80;
- udelay(LCD_DELAY_NORMAL_US);
- count = 0x0;
- } else if (count >= (cur_addr & 0xf)) {
- count -= cur_addr & 0xf;
- *LCD_CMD_ADDR = 0x80 | 0xf;
- addr_flag = 0x80;
- udelay(LCD_DELAY_NORMAL_US);
- }
- }
- } else {
- if (addr_flag == 0x80) {
- if (count >= (0x1f - (cur_addr & 0xf))) {
- count = 0x0;
- addr_flag = 0xc0;
- *LCD_CMD_ADDR = 0xc0 | 0xf;
- udelay(LCD_DELAY_NORMAL_US);
- } else if ((count + (cur_addr & 0xf)) >= 0x0f) {
- count = count + (cur_addr & 0xf) - 0x0f;
- addr_flag = 0xc0;
- *LCD_CMD_ADDR = 0xc0;
- udelay(LCD_DELAY_NORMAL_US);
- }
- } else if ((count + (cur_addr & 0xf)) >= 0x0f) {
- count = 0x0;
- *LCD_CMD_ADDR = 0xc0 | 0xf;
- udelay(LCD_DELAY_NORMAL_US);
- }
- }
-
- while (count--) {
- if (dir == 0) {
- *LCD_CMD_ADDR = 0x10;
- } else {
- *LCD_CMD_ADDR = 0x14;
- }
- udelay(LCD_DELAY_NORMAL_US);
- }
-
- return 0;
-}
-
-U_BOOT_CMD(lcd_test, 1, 1, do_lcd_test, "lcd test display", "");
-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");
-
-#if 0 /* test-only */
-void set_phy_loopback_mode(void)
-{
- char devemac2[32];
- char devemac3[32];
-
- sprintf(devemac2, "%s2", CONFIG_EMAC_DEV_NAME);
- sprintf(devemac3, "%s3", CONFIG_EMAC_DEV_NAME);
-
-#if 0
- unsigned short reg_short;
-
- miiphy_read(devemac2, 0x1, 1, ®_short);
- if (reg_short & 0x04) {
- /*
- * printf("EMAC2 link up,do nothing\n");
- */
- } else {
- udelay(1000);
- miiphy_write(devemac2, 0x1, 0, 0x6000);
- udelay(1000);
- miiphy_read(devemac2, 0x1, 0, ®_short);
- if (reg_short != 0x6000) {
- printf
- ("\nEMAC2 error set LOOPBACK mode error,reg2[0]=%x\n",
- reg_short);
- }
- }
-
- miiphy_read(devemac3, 0x3, 1, ®_short);
- if (reg_short & 0x04) {
- /*
- * printf("EMAC3 link up,do nothing\n");
- */
- } else {
- udelay(1000);
- miiphy_write(devemac3, 0x3, 0, 0x6000);
- udelay(1000);
- miiphy_read(devemac3, 0x3, 0, ®_short);
- if (reg_short != 0x6000) {
- printf
- ("\nEMAC3 error set LOOPBACK mode error,reg2[0]=%x\n",
- reg_short);
- }
- }
-#else
- /* Set PHY as LOOPBACK MODE, for Linux emac initializing */
- miiphy_write(devemac2, CONFIG_PHY2_ADDR, 0, 0x6000);
- udelay(1000);
- miiphy_write(devemac3, CONFIG_PHY3_ADDR, 0, 0x6000);
- udelay(1000);
-#endif /* 0 */
-}
-
-void set_phy_normal_mode(void)
-{
- char devemac2[32];
- char devemac3[32];
- unsigned short reg_short;
-
- sprintf(devemac2, "%s2", CONFIG_EMAC_DEV_NAME);
- sprintf(devemac3, "%s3", CONFIG_EMAC_DEV_NAME);
-
- /* Set phy of EMAC2 */
- miiphy_read(devemac2, CONFIG_PHY2_ADDR, 0x16, ®_short);
- reg_short &= ~(0x7);
- reg_short |= 0x6; /* RGMII DLL Delay */
- miiphy_write(devemac2, CONFIG_PHY2_ADDR, 0x16, reg_short);
-
- miiphy_read(devemac2, CONFIG_PHY2_ADDR, 0x17, ®_short);
- reg_short &= ~(0x40);
- miiphy_write(devemac2, CONFIG_PHY2_ADDR, 0x17, reg_short);
-
- miiphy_write(devemac2, CONFIG_PHY2_ADDR, 0x1c, 0x74f0);
-
- /* Set phy of EMAC3 */
- miiphy_read(devemac3, CONFIG_PHY3_ADDR, 0x16, ®_short);
- reg_short &= ~(0x7);
- reg_short |= 0x6; /* RGMII DLL Delay */
- miiphy_write(devemac3, CONFIG_PHY3_ADDR, 0x16, reg_short);
-
- miiphy_read(devemac3, CONFIG_PHY3_ADDR, 0x17, ®_short);
- reg_short &= ~(0x40);
- miiphy_write(devemac3, CONFIG_PHY3_ADDR, 0x17, reg_short);
-
- miiphy_write(devemac3, CONFIG_PHY3_ADDR, 0x1c, 0x74f0);
-}
-#endif /* 0 - test only */
-
-static int do_led_test_off(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- volatile unsigned int *GpioOr =
- (volatile unsigned int *)(CONFIG_SYS_PERIPHERAL_BASE + 0x700);
- *GpioOr |= 0x00300000;
- return 0;
-}
-
-static int do_led_test_on(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- volatile unsigned int *GpioOr =
- (volatile unsigned int *)(CONFIG_SYS_PERIPHERAL_BASE + 0x700);
- *GpioOr &= ~0x00300000;
- return 0;
-}
-
-U_BOOT_CMD(ledon, 1, 1, do_led_test_on,
- "led test light on", "");
-
-U_BOOT_CMD(ledoff, 1, 1, do_led_test_off,
- "led test light off", "");
-#endif
projects / people / ms / u-boot.git / blobdiff