[realtek-ambz2] Make compiling base core possible

cores/common/base/lt_types.h

@@ -40,6 +40,8 @@ typedef enum {
 	RTL8711BU = CPU_MODEL(F_RTL8710B, 0xFC), // CHIPID_8711BG / QFN68
 	MX1290	  = RTL8710BN,
 	MX1290V2  = RTL8710BX,
+	// Realtek AmebaZ2
+	RTL8720CF = CPU_MODEL(F_RTL8720C, 0x00), // TODO
 	// Beken 72XX
 	BK7231T = CPU_MODEL(F_BK7231U, 0x1A), // *SCTRL_CHIP_ID = 0x7231a
 	BK7231N = CPU_MODEL(F_BK7231N, 0x1C), // *SCTRL_CHIP_ID = 0x7231c

cores/realtek-amb/base/sdk_private.h

@@ -20,6 +20,7 @@ extern "C" {
 #include <rtl8710b.h>
 #endif
 #if LT_RTL8720C
+#include <hal.h>
 #include <rtl8710c.h>
 #endif
 

cores/realtek-ambz2/base/fixups/cmd_shell.c

@@ -0,0 +1,3 @@
+/* Copyright (c) Kuba Szczodrzyński 2023-04-12. */
+
+void shell_cmd_init() {}

cores/realtek-ambz2/base/port/printf.c

@@ -0,0 +1,38 @@
+/* Copyright (c) Kuba Szczodrzyński 2023-04-12. */
+
+#include <libretiny.h>
+#include <sdk_private.h>
+
+#include <printf/printf.h>
+
+static UART0_Type *uart_dev[4] = {
+	UART0,
+	UART1,
+	UART2,
+	UART3,
+};
+
+uint8_t lt_uart_port = 2;
+
+void putchar_(char c) {
+	putchar_p(c, lt_uart_port);
+}
+
+void putchar_p(char c, unsigned long port) {
+	// while (UART_Writable(uart_dev[port]) == 0) {}
+	uart_dev[port]->thr = c;
+}
+
+WRAP_PRINTF(rtl_printf);
+WRAP_SPRINTF(rtl_sprintf);
+WRAP_SNPRINTF(rtl_snprintf);
+WRAP_VSNPRINTF(rtl_vsnprintf);
+WRAP_VSNPRINTF(rtl_vsnprintf_r);
+WRAP_VPRINTF(rtl_vprintf);
+WRAP_PRINTF(DiagPrintf);
+WRAP_SPRINTF(DiagSPrintf);
+WRAP_SNPRINTF(DiagSnPrintf);
+WRAP_PRINTF(prvDiagPrintf);
+WRAP_SPRINTF(prvDiagSPrintf);
+WRAP_VSPRINTF(VSprintf);
+WRAP_PRINTF(LOG_PRINTF);

cores/realtek-ambz2/base/port/printf_port.h

@@ -0,0 +1,18 @@
+/* Copyright (c) Kuba Szczodrzyński 2022-06-20. */
+
+#pragma once
+
+#include <printf_config.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+WRAP_DISABLE_DEF(rtl_printf);
+WRAP_DISABLE_DEF(DiagPrintf);
+WRAP_DISABLE_DEF(prvDiagPrintf);
+WRAP_DISABLE_DEF(LOG_PRINTF);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif