Wayne Ren d8aa99a29c [bsp][synopsys] add the support of synopsys arc emsk
* the initial support of synopsys designware arc processor
* the initial support of synospsy ARC EM Starter Kit
* the bsp code is based on embarc which is a common SDK for
all synopsys ARC-based boards
* use "scons --gdb" to debug emsk with em9d configuration
* for detailed board information, pls go embarc.org

Signed-off-by: Wayne Ren <wei.ren@synopsys.com>
2019-01-25 10:29:34 +08:00

68 lines
1.5 KiB
C

/*
* Copyright (c) 2018, Synopsys, Inc.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "mux_hal.h"
#include "mux.h"
static MUX_REG *mux_ctrl_regs = (MUX_REG *)0;
/** initialize i2c controller and set slave device address */
void mux_init(MUX_REG *mux_regs)
{
// Initialize Mux controller registers by default values
mux_regs[PMOD_MUX_CTRL] = PMOD_MUX_CTRL_DEFAULT;
mux_regs[SPI_MAP_CTRL] = SPI_MAP_CTRL_DEFAULT;
mux_regs[UART_MAP_CTRL] = UART_MAP_CTRL_DEFAULT;
mux_ctrl_regs = mux_regs;
}
/** Get mux ctrl register pointer, only valid after mux_init */
MUX_REG *get_mux_regs(void)
{
return mux_ctrl_regs;
}
/** set PMOD muxer scheme */
void set_pmod_mux(MUX_REG *mux_regs, uint32_t val)
{
mux_regs[PMOD_MUX_CTRL] = val;
}
/** get PMOD muxer scheme */
uint32_t get_pmod_mux(MUX_REG *mux_regs)
{
return (uint32_t) mux_regs[PMOD_MUX_CTRL];
}
/** set PMOD muxer scheme */
void change_pmod_mux(MUX_REG *mux_regs, uint32_t val, uint32_t change_bits)
{
mux_regs[PMOD_MUX_CTRL] = ((mux_regs[PMOD_MUX_CTRL] & ~change_bits) | val);
}
/** set SPI connection scheme */
void set_spi_map(MUX_REG *mux_regs, uint32_t val)
{
mux_regs[SPI_MAP_CTRL] = val;
}
/** get SPI connection scheme */
uint32_t get_spi_map(MUX_REG *mux_regs)
{
return (uint32_t) mux_regs[SPI_MAP_CTRL];
}
/** set UART connection scheme */
void set_uart_map(MUX_REG *mux_regs, uint32_t val)
{
mux_regs[UART_MAP_CTRL] = val;
}
/** get UART connection scheme */
uint32_t get_uart_map(MUX_REG *mux_regs)
{
return (uint32_t) mux_regs[UART_MAP_CTRL];
}