cpm.h

/* SPDX-License-Identifier: GPL-2.0+-with-RTEMS-exception */
 
/*
 * cpm.h
 *
 * This include file contains definitions pertaining
 * to the Communications Processor Module (CPM) on the MPC8xx.
 *
 * Copyright (c) 1999, National Research Council of Canada
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 * http://www.rtems.org/license/LICENSE.
 */
 
#ifndef _MPC8260_CPM_H
#define _MPC8260_CPM_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
 
#define M8xx_BRG_1  (1U << 0)
#define M8xx_BRG_2  (1U << 1)
#define M8xx_BRG_3  (1U << 2)
#define M8xx_BRG_4  (1U << 3)
#define M8xx_BRG_5  (1U << 4)
#define M8xx_BRG_6  (1U << 5)
#define M8xx_BRG_7  (1U << 6)
#define M8xx_BRG_8  (1U << 7)
 
 
#define M8260_SCC_BRGS  (M8xx_BRG_1 | M8xx_BRG_2 | M8xx_BRG_3 | M8xx_BRG_4)
#define M8260_FCC_BRGS  (M8xx_BRG_5 | M8xx_BRG_6 | M8xx_BRG_7 | M8xx_BRG_8)
#define M8260_SMC1_BRGS (M8xx_BRG_1|M8xx_BRG_7)
#define M8260_SMC2_BRGS (M8xx_BRG_2|M8xx_BRG_8)
 
 
#define M8xx_CLK_1  (1U << 0)
#define M8xx_CLK_2  (1U << 1)
#define M8xx_CLK_3  (1U << 2)
#define M8xx_CLK_4  (1U << 3)
#define M8xx_CLK_5  (1U << 4)
#define M8xx_CLK_6  (1U << 5)
#define M8xx_CLK_7  (1U << 6)
#define M8xx_CLK_8  (1U << 7)
#define M8xx_CLK_9  (1U << 8)
#define M8xx_CLK_10 (1U << 9)
#define M8xx_CLK_11 (1U << 10)
#define M8xx_CLK_12 (1U << 11)
#define M8xx_CLK_13 (1U << 12)
#define M8xx_CLK_14 (1U << 13)
#define M8xx_CLK_15 (1U << 14)
#define M8xx_CLK_16 (1U << 15)
#define M8xx_CLK_17 (1U << 16)
#define M8xx_CLK_18 (1U << 17)
#define M8xx_CLK_19 (1U << 18)
#define M8xx_CLK_20 (1U << 19)
 
#define M8260_BRG1_CLKS (M8xx_CLK_3  | M8xx_CLK_5  )
#define M8260_BRG2_CLKS (M8xx_CLK_3  | M8xx_CLK_5  )
#define M8260_BRG3_CLKS (M8xx_CLK_9  | M8xx_CLK_15 )
#define M8260_BRG4_CLKS (M8xx_CLK_9  | M8xx_CLK_15 )
#define M8260_BRG5_CLKS (M8xx_CLK_3  | M8xx_CLK_5  )
#define M8260_BRG6_CLKS (M8xx_CLK_3  | M8xx_CLK_5  )
#define M8260_BRG7_CLKS (M8xx_CLK_9  | M8xx_CLK_15 )
#define M8260_BRG8_CLKS (M8xx_CLK_9  | M8xx_CLK_15 )
 
#define M8260_SCC1_CLKS (M8xx_CLK_3  | M8xx_CLK_4  | M8xx_CLK_11 | M8xx_CLK_12)
#define M8260_SCC2_CLKS (M8xx_CLK_3  | M8xx_CLK_4  | M8xx_CLK_11 | M8xx_CLK_12)
#define M8260_SCC3_CLKS (M8xx_CLK_5  | M8xx_CLK_6  | M8xx_CLK_7  | M8xx_CLK_8 )
#define M8260_SCC4_CLKS (M8xx_CLK_5  | M8xx_CLK_6  | M8xx_CLK_7  | M8xx_CLK_8 )
 
#define M8260_FCC1_CLKS (M8xx_CLK_9  | M8xx_CLK_10 | M8xx_CLK_11 | M8xx_CLK_12)
#define M8260_FCC2_CLKS (M8xx_CLK_13 | M8xx_CLK_14 | M8xx_CLK_15 | M8xx_CLK_16)
#define M8260_FCC3_CLKS (M8xx_CLK_13 | M8xx_CLK_14 | M8xx_CLK_15 | M8xx_CLK_16)
 
#define M8260_TDM_RXA1  (M8xx_CLK_1  | M8xx_CLK_19 )
#define M8260_TDM_RXB1  (M8xx_CLK_3  | M8xx_CLK_9  )
#define M8260_TDM_RXC1  (M8xx_CLK_5  | M8xx_CLK_13 )
#define M8260_TDM_RXD1  (M8xx_CLK_7  | M8xx_CLK_15 )
#define M8260_TDM_TXA1  (M8xx_CLK_2  | M8xx_CLK_20 )
#define M8260_TDM_TXB1  (M8xx_CLK_4  | M8xx_CLK_10 )
#define M8260_TDM_TXC1  (M8xx_CLK_6  | M8xx_CLK_14 )
#define M8260_TDM_TXD1  (M8xx_CLK_8  | M8xx_CLK_16 )
 
#define M8260_TDM_RXA2  (M8xx_CLK_13 | M8xx_CLK_5  )
#define M8260_TDM_RXB2  (M8xx_CLK_15 | M8xx_CLK_17 )
#define M8260_TDM_RXC2  (M8xx_CLK_3  | M8xx_CLK_17 )
#define M8260_TDM_RXD2  (M8xx_CLK_1  | M8xx_CLK_19 )
#define M8260_TDM_TXA2  (M8xx_CLK_14 | M8xx_CLK_6  )
#define M8260_TDM_TXB2  (M8xx_CLK_16 | M8xx_CLK_18 )
#define M8260_TDM_TXC2  (M8xx_CLK_4  | M8xx_CLK_18 )
#define M8260_TDM_TXD2  (M8xx_CLK_2  | M8xx_CLK_20 )
 
 
 
/* Functions */
 
void m8xx_cp_execute_cmd( uint32_t   command );
void *m8xx_dpram_allocate( unsigned int byte_count );
 
#define m8xx_bd_allocate(count)     \
        m8xx_dpram_allocate( (count) * sizeof(m8260BufferDescriptor_t) )
#define m8xx_RISC_timer_table_allocate(count)   \
        m8xx_dpram_allocate( (count) * 4 )
 
 
 
int m8xx_get_brg_cd (int baud);
int m8xx_get_brg(unsigned brgmask, int baud);
void m8xx_free_brg(int brg_num);
 
 
int m8xx_get_clk( unsigned clkmask );
void m8xx_free_clk( int clk_num );
 
 
#ifdef __cplusplus
}
#endif
 
#endif
/* end of include file */