hw/riscv: Move sifive_uart model to hw/char

This is an effort to clean up the hw/riscv directory. Ideally it
should only contain the RISC-V SoC / machine codes plus generic
codes. Let's move sifive_uart model to hw/char directory.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <1599129623-68957-9-git-send-email-bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

1 files changed, 0 insertions, 77 deletions

diff --git a/include/hw/riscv/sifive_uart.h b/include/hw/riscv/sifive_uart.h
deleted file mode 100644
index 65668825a3..0000000000
--- a/include/hw/riscv/sifive_uart.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * SiFive UART interface
- *
- * Copyright (c) 2016 Stefan O'Rear
- * Copyright (c) 2017 SiFive, Inc.
- *
- * 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 or later, 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 HW_SIFIVE_UART_H
-#define HW_SIFIVE_UART_H
-
-#include "chardev/char-fe.h"
-#include "hw/sysbus.h"
-
-enum {
-    SIFIVE_UART_TXFIFO        = 0,
-    SIFIVE_UART_RXFIFO        = 4,
-    SIFIVE_UART_TXCTRL        = 8,
-    SIFIVE_UART_TXMARK        = 10,
-    SIFIVE_UART_RXCTRL        = 12,
-    SIFIVE_UART_RXMARK        = 14,
-    SIFIVE_UART_IE            = 16,
-    SIFIVE_UART_IP            = 20,
-    SIFIVE_UART_DIV           = 24,
-    SIFIVE_UART_MAX           = 32
-};
-
-enum {
-    SIFIVE_UART_IE_TXWM       = 1, /* Transmit watermark interrupt enable */
-    SIFIVE_UART_IE_RXWM       = 2  /* Receive watermark interrupt enable */
-};
-
-enum {
-    SIFIVE_UART_IP_TXWM       = 1, /* Transmit watermark interrupt pending */
-    SIFIVE_UART_IP_RXWM       = 2  /* Receive watermark interrupt pending */
-};
-
-#define SIFIVE_UART_GET_TXCNT(txctrl)   ((txctrl >> 16) & 0x7)
-#define SIFIVE_UART_GET_RXCNT(rxctrl)   ((rxctrl >> 16) & 0x7)
-
-#define TYPE_SIFIVE_UART "riscv.sifive.uart"
-
-#define SIFIVE_UART(obj) \
-    OBJECT_CHECK(SiFiveUARTState, (obj), TYPE_SIFIVE_UART)
-
-typedef struct SiFiveUARTState {
-    /*< private >*/
-    SysBusDevice parent_obj;
-
-    /*< public >*/
-    qemu_irq irq;
-    MemoryRegion mmio;
-    CharBackend chr;
-    uint8_t rx_fifo[8];
-    unsigned int rx_fifo_len;
-    uint32_t ie;
-    uint32_t ip;
-    uint32_t txctrl;
-    uint32_t rxctrl;
-    uint32_t div;
-} SiFiveUARTState;
-
-SiFiveUARTState *sifive_uart_create(MemoryRegion *address_space, hwaddr base,
-    Chardev *chr, qemu_irq irq);
-
-#endif