// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) NEC Electronics Corporation 2004-2006 */ #include <linux/kernel.h> #include <linux/types.h> #include <linux/string.h> #include <asm/emma/emma2rh.h> const unsigned long clear = 0x20202020; #define LED_BASE 0xb1400038 void markeins_led_clear(void) { emma2rh_out32(LED_BASE, clear); emma2rh_out32(LED_BASE + 4, clear); } void markeins_led(const char *str) { int i; int len = strlen(str); markeins_led_clear(); if (len > 8) len = 8; if (emma2rh_in32(0xb0000800) & (0x1 << 18)) for (i = 0; i < len; i++) emma2rh_out8(LED_BASE + i, str[i]); else for (i = 0; i < len; i++) emma2rh_out8(LED_BASE + (i & 4) + (3 - (i & 3)), str[i]); } void markeins_led_hex(u32 val) { char str[10]; sprintf(str, "%08x", val); markeins_led(str); }