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m68k: add mcf5307 cpu support

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Add Freescale MCF5307 cpu support.

Signed-off-by: Angelo Dureghello <angelo@sysam.it>
This commit is contained in:
angelo@sysam.it 2015-02-12 01:40:00 +01:00 • committed by Tom Rini
parent 06fd66a4aa
commit e77e65dfc2
12 changed files with 742 additions and 2 deletions
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70
arch/m68k/include/asm/m5307.h Normal file
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/*
* (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it>
*
* SPDX-License-Identifier: GPL-2.0+
*
*/
#ifndef mcf5307_h
#define mcf5307_h
/*
* Size of internal RAM (RAMBAR)
*/
#define INT_RAM_SIZE 4096
/* Bit definitions and macros for SYPCR */
#define SYPCR_SWTAVAL 0x02
#define SYPCR_SWTA 0x04
#define SYPCR_SWT(x) ((x&0x3)<<3)
#define SYPCR_SWP 0x20
#define SYPCR_SWRI 0x40
#define SYPCR_SWE 0x80
/* Bit definitions and macros for CSMR */
#define CSMR_V 0x01
#define CSMR_UD 0x02
#define CSMR_UC 0x04
#define CSMR_SD 0x08
#define CSMR_SC 0x10
#define CSMR_CI 0x20
#define CSMR_AM 0x40
#define CSMR_WP 0x100
/* Bit definitions and macros for DACR (SDRAM) */
#define DACR_PM_CONTINUOUS 0x04
#define DACR_IP_PRECHG_ALL 0x08
#define DACR_PORT_SZ_32 0
#define DACR_PORT_SZ_8 (1<<4)
#define DACR_PORT_SZ_16 (2<<4)
#define DACR_IMRS_INIT_CMD (1<<6)
#define DACR_CMD_PIN(x) ((x&7)<<8)
#define DACR_CASL(x) ((x&3)<<12)
#define DACR_RE (1<<15)
/* Bit definitions and macros for CSCR */
#define CSCR_BSTW 0x08
#define CSCR_BSTR 0x10
#define CSCR_BEM 0x20
#define CSCR_PS(x) ((x&0x3)<<6)
#define CSCR_AA 0x100
#define CSCR_WS ((x&0xf)<<10)
/* Bit definitions for the ICR family of registers */
#define MCFSIM_ICR_AUTOVEC 0x80 /* Auto-vectored intr */
#define MCFSIM_ICR_LEVEL0 0x00 /* Level 0 intr */
#define MCFSIM_ICR_LEVEL1 0x04 /* Level 1 intr */
#define MCFSIM_ICR_LEVEL2 0x08 /* Level 2 intr */
#define MCFSIM_ICR_LEVEL3 0x0c /* Level 3 intr */
#define MCFSIM_ICR_LEVEL4 0x10 /* Level 4 intr */
#define MCFSIM_ICR_LEVEL5 0x14 /* Level 5 intr */
#define MCFSIM_ICR_LEVEL6 0x18 /* Level 6 intr */
#define MCFSIM_ICR_LEVEL7 0x1c /* Level 7 intr */
#define MCFSIM_ICR_PRI0 0x00 /* Priority 0 intr */
#define MCFSIM_ICR_PRI1 0x01 /* Priority 1 intr */
#define MCFSIM_ICR_PRI2 0x02 /* Priority 2 intr */
#define MCFSIM_ICR_PRI3 0x03 /* Priority 3 intr */
#endif /* mcf5307_h */