Refactor ALL the things + enable LTO

bootloader/soc/uart.h

@@ -0,0 +1,59 @@
+/*
+* Copyright (c) 2018 naehrwert
+*
+* This program is free software; you can redistribute it and/or modify it
+* under the terms and conditions of the GNU General Public License,
+* version 2, as published by the Free Software Foundation.
+*
+* This program is distributed in the hope it will be useful, but WITHOUT
+* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+* more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _UART_H_
+#define _UART_H_
+
+#include "../utils/types.h"
+
+#define UART_A 0
+#define UART_B 1
+#define UART_C 2
+//TODO: define clock inits for those.
+/*#define UART_D 3
+#define UART_E 4*/
+
+#define BAUD_115200 115200
+
+#define UART_TX_IDLE 0x00000001
+#define UART_RX_IDLE 0x00000002
+#define UART_TX_FIFO_FULL 0x100
+#define UART_RX_FIFO_EMPTY 0x200
+
+typedef struct _uart_t
+{
+	/* 0x00 */ vu32 UART_THR_DLAB;
+	/* 0x04 */ vu32 UART_IER_DLAB;
+	/* 0x08 */ vu32 UART_IIR_FCR;
+	/* 0x0C */ vu32 UART_LCR;
+	/* 0x10 */ vu32 UART_MCR;
+	/* 0x14 */ vu32 UART_LSR;
+	/* 0x18 */ vu32 UART_MSR;
+	/* 0x1C */ vu32 UART_SPR;
+	/* 0x20 */ vu32 UART_IRDA_CSR;
+	/* 0x24 */ vu32 UART_RX_FIFO_CFG;
+	/* 0x28 */ vu32 UART_MIE;
+	/* 0x2C */ vu32 UART_VENDOR_STATUS;
+	/* 0x30 */ u8 _pad_30[0xC];
+	/* 0x3C */ vu32 UART_ASR;
+} uart_t;
+
+void uart_init(u32 idx, u32 baud);
+void uart_wait_idle(u32 idx, u32 which);
+void uart_send(u32 idx, u8 *buf, u32 len);
+void uart_recv(u32 idx, u8 *buf, u32 len);
+
+#endif