diff options
Diffstat (limited to 'arch/ppc/include/asm/mpc512x.h')
-rw-r--r-- | arch/ppc/include/asm/mpc512x.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/ppc/include/asm/mpc512x.h b/arch/ppc/include/asm/mpc512x.h new file mode 100644 index 0000000000..960e229294 --- /dev/null +++ b/arch/ppc/include/asm/mpc512x.h @@ -0,0 +1,58 @@ +/* + * 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 */ |