u-boot/arch/arm/include/asm/arch-pantheon/cpu.h
Lei Wen aa3b168e31 I2C: add i2c support for Pantheon platform
Add i2c support to dkb board with pantheon soc.

Acked-by: Heiko Schocher <hs@denx.de>
Acked-by: Prafulla Wadaskar <prafulla@marvell.com>
Signed-off-by: Lei Wen <leiwen@marvell.com>
2011-04-27 19:38:08 +02:00

81 lines
2 KiB
C

/*
* (C) Copyright 2011
* Marvell Semiconductor <www.marvell.com>
* Written-by: Lei Wen <leiwen@marvell.com>
*
* 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., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#ifndef _PANTHEON_CPU_H
#define _PANTHEON_CPU_H
#include <asm/io.h>
#include <asm/system.h>
/*
* Main Power Management (MPMU) Registers
* Refer Register Datasheet 9.1
*/
struct panthmpmu_registers {
u8 pad0[0x0024];
u32 ccgr; /*0x0024*/
u8 pad1[0x0200 - 0x024 - 4];
u32 wdtpcr; /*0x0200*/
u8 pad2[0x1020 - 0x200 - 4];
u32 aprr; /*0x1020*/
u32 acgr; /*0x1024*/
};
/*
* APB Clock Reset/Control Registers
* Refer Register Datasheet 6.14
*/
struct panthapb_registers {
u32 uart0; /*0x000*/
u32 uart1; /*0x004*/
u32 gpio; /*0x008*/
u8 pad0[0x02c - 0x08 - 4];
u32 twsi; /*0x02c*/
u8 pad1[0x034 - 0x2c - 4];
u32 timers; /*0x034*/
};
/*
* CPU Interface Registers
* Refer Register Datasheet 4.3
*/
struct panthcpu_registers {
u32 chip_id; /* Chip Id Reg */
u32 pad;
u32 cpu_conf; /* CPU Conf Reg */
u32 pad1;
u32 cpu_sram_spd; /* CPU SRAM Speed Reg */
u32 pad2;
u32 cpu_l2c_spd; /* CPU L2cache Speed Conf */
u32 mcb_conf; /* MCB Conf Reg */
u32 sys_boot_ctl; /* Sytem Boot Control */
};
/*
* Functions
*/
u32 panth_sdram_base(int);
u32 panth_sdram_size(int);
#endif /* _PANTHEON_CPU_H */