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https://github.com/enjoy-digital/litex.git
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1a4a6eb445
Libbase should keep its RAM usage to a minimum as it is meant to be executed before the SDRAM is up and running. (Having lots of code is OK though as we XIP from the flash)
39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/*
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* Milkymist SoC (Software)
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* Copyright (C) 2007, 2008, 2009, 2010 Sebastien Bourdeauducq
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __HW_UART_H
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#define __HW_UART_H
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#include <hw/common.h>
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#define CSR_UART_RXTX MMPTR(0xe0000000)
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#define CSR_UART_DIVISOR MMPTR(0xe0000004)
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#define CSR_UART_STAT MMPTR(0xe0000008)
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#define CSR_UART_CTRL MMPTR(0xe000000c)
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#define CSR_UART_DEBUG MMPTR(0xe0000010)
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#define UART_STAT_THRE (0x1)
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#define UART_STAT_RX_EVT (0x2)
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#define UART_STAT_TX_EVT (0x4)
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#define UART_CTRL_RX_INT (0x1)
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#define UART_CTRL_TX_INT (0x2)
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#define UART_CTRL_THRU (0x4)
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#define UART_DEBUG_BREAK_EN (0x1)
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#endif /* __HW_UART_H */
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