Skip to content
Snippets Groups Projects
mpc512x.h 1.66 KiB
Newer Older
  • Learn to ignore specific revisions
  • /*
     * include/asm-ppc/mpc512x.h
     *
     * Prototypes, etc. for the Freescale MPC512x embedded cpu chips
     *
     * 2009 (C) Wolfgang Denk, DENX Software Engineering, wd@denx.de.
     *
     * See file CREDITS for list of people who contributed to this
     * project.
     *
     * This program is free software; you can redistribute it and/or
     * modify it under the terms of the GNU General Public License as
     * published by the Free Software Foundation; either version 2 of
     * the License, or (at your option) any later version.
     *
     * This program is distributed in the hope that 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, write to the Free Software
     * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
     * MA 02111-1307 USA
     */
    #ifndef __ASMPPC_MPC512X_H
    #define __ASMPPC_MPC512X_H
    
    /*
     * macros for manipulating CSx_START/STOP
     */
    #define CSAW_START(start)	((start) & 0xFFFF0000)
    #define CSAW_STOP(start, size)	(((start) + (size) - 1) >> 16)
    
    /*
     * Inlines
     */
    
    /*
     * According to MPC5121e RM, configuring local access windows should
     * be followed by a dummy read of the config register that was
     * modified last and an isync.
     */
    static inline void sync_law(volatile void *addr)
    {
    	in_be32(addr);
    	__asm__ __volatile__ ("isync");
    }
    
    /*
     * Prototypes
     */
    
    extern long int fixed_sdram(ddr512x_config_t *mddrc_config,
    				u32 *dram_init_seq, int seq_sz);
    
    extern int mpc5121_diu_init(void);
    extern void ide_set_reset(int idereset);
    
    #endif /* __ASMPPC_MPC512X_H */