[fsbl] add fsbl for cv181x/cv180x

Change-Id: I6809bc5016d4bc148f62be2ed3f8e928ec111f19

fsbl/lib/stdlib/putchar.c

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdio.h>
+#include <console.h>
+#include <assert.h>
+#include <debug.h>
+
+#include "platform.h"
+
+/* Putchar() should either return the character printed or EOF in case of error.
+ * Our current console_putc() function assumes success and returns the
+ * character. Write all other printing functions in terms of putchar(), if
+ * possible, so they all benefit when this is improved.
+ */
+int putchar_l(int c, int level)
+{
+	uint32_t *const log_size = (void *)BOOT_LOG_LEN_ADDR;
+#ifdef __riscv
+	uint8_t *const log_buf = (void *)(phys_to_dma(BOOT_LOG_BUF_BASE) | SYSMAP_MIRROR_OFFSET);
+#else
+	uint8_t *const log_buf = (void *)phys_to_dma(BOOT_LOG_BUF_BASE);
+#endif
+
+	int res;
+
+	if (*log_size >= BOOT_LOG_BUF_SIZE)
+		*log_size = 0;
+
+	log_buf[(*log_size)++] = c;
+
+	if (level > LOG_LEVEL)
+		return c;
+
+	if (get_sw_info()->dis_uart_msg)
+		return c;
+
+	if (console_putc((unsigned char)c) >= 0)
+		res = c;
+	else
+		res = EOF;
+
+	return res;
+}