u-boot/arch/arm/include/asm/arch-davinci/am1808_lowlevel.h
Heiko Schocher 310ae55efe arm, davinci, am1808: add lowlevel functions for booting from NOR
Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Paulraj Sandeep <s-paulraj@ti.com>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
2011-09-30 22:00:59 +02:00

44 lines
1.6 KiB
C

/*
* SoC-specific lowlevel code for AM1808 and similar chips
*
* Copyright (C) 2011
* Heiko Schocher, DENX Software Engineering, hs@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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __AM1808_LOWLEVEL_H
#define __AM1808_LOWLEVEL_H
/* NOR Boot Configuration Word Field Descriptions */
#define AM1808_NORBOOT_COPY_XK(X) ((X - 1) << 8)
#define AM1808_NORBOOT_METHOD_DIRECT (1 << 4)
#define AM1808_NORBOOT_16BIT (1 << 0)
#define dv_maskbits(addr, val) \
writel((readl(addr) & val), addr)
void am1808_waitloop(unsigned long loopcnt);
int am1808_pll_init(struct davinci_pllc_regs *reg, unsigned long pllmult);
void am1808_lpc_transition(unsigned char pscnum, unsigned char module,
unsigned char domain, unsigned char state);
int am1808_ddr_setup(unsigned int freq);
void am1808_psc_init(void);
void am1808_pinmux_ctl(unsigned long offset, unsigned long mask,
unsigned long value);
#endif /* #ifndef __AM1808_LOWLEVEL_H */