diff options
| author | Heiko Schocher <hs@denx.de> | 2011-09-14 19:59:38 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2011-09-30 22:00:59 +0200 |
| commit | 310ae55efe14aa7923b16c718cbdb22ec364b18b (patch) | |
| tree | 2132702b8bff27aee8cd2d7f22c8e84125f30ade /arch/arm/include/asm | |
| parent | 337c4333834f9aa7f7a31391ca1bef01ade2ed9c (diff) | |
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>
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/arch-davinci/am1808_lowlevel.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-davinci/am1808_lowlevel.h b/arch/arm/include/asm/arch-davinci/am1808_lowlevel.h new file mode 100644 index 0000000000..0bc7f76f1c --- /dev/null +++ b/arch/arm/include/asm/arch-davinci/am1808_lowlevel.h @@ -0,0 +1,44 @@ +/* + * 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 */ |