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/*
* cpu.h
*
* AM33xx specific header file
*
* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
*
* 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.
*/
#ifndef _AM33XX_CPU_H
#define _AM33XX_CPU_H
#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
#include <asm/types.h>
#endif /* !(__KERNEL_STRICT_NAMES || __ASSEMBLY__) */
#include <asm/arch/hardware.h>
#define BIT(x) (1 << x)
#define CL_BIT(x) (0 << x)
/* Timer register bits */
#define TCLR_ST BIT(0) /* Start=1 Stop=0 */
#define TCLR_AR BIT(1) /* Auto reload */
#define TCLR_PRE BIT(5) /* Pre-scaler enable */
#define TCLR_PTV_SHIFT (2) /* Pre-scaler shift value */
#define TCLR_PRE_DISABLE CL_BIT(5) /* Pre-scalar disable */
/* device type */
#define DEVICE_MASK (BIT(8) | BIT(9) | BIT(10))
#define TST_DEVICE 0x0
#define EMU_DEVICE 0x1
#define HS_DEVICE 0x2
#define GP_DEVICE 0x3
/* cpu-id for AM33XX family */
#define AM335X 0xB944
#define DEVICE_ID 0x44E10600
/* This gives the status of the boot mode pins on the evm */
#define SYSBOOT_MASK (BIT(0) | BIT(1) | BIT(2)\
| BIT(3) | BIT(4))
/* Reset control */
#ifdef CONFIG_AM335X
#define PRM_RSTCTRL 0x44E00F00
#endif
#define PRM_RSTCTRL_RESET 0x01
#ifndef __KERNEL_STRICT_NAMES
#ifndef __ASSEMBLY__
/* Encapsulating core pll registers */
struct cm_wkuppll {
unsigned int wkclkstctrl; /* offset 0x00 */
unsigned int wkctrlclkctrl; /* offset 0x04 */
unsigned int resv1[1];
unsigned int wkl4wkclkctrl; /* offset 0x0c */
unsigned int resv2[4];
unsigned int idlestdpllmpu; /* offset 0x20 */
unsigned int resv3[2];
unsigned int clkseldpllmpu; /* offset 0x2c */
unsigned int resv4[1];
unsigned int idlestdpllddr; /* offset 0x34 */
unsigned int resv5[2];
unsigned int clkseldpllddr; /* offset 0x40 */
unsigned int resv6[4];
unsigned int clkseldplldisp; /* offset 0x54 */
unsigned int resv7[1];
unsigned int idlestdpllcore; /* offset 0x5c */
unsigned int resv8[2];
unsigned int clkseldpllcore; /* offset 0x68 */
unsigned int resv9[1];
unsigned int idlestdpllper; /* offset 0x70 */
unsigned int resv10[3];
unsigned int divm4dpllcore; /* offset 0x80 */
unsigned int divm5dpllcore; /* offset 0x84 */
unsigned int clkmoddpllmpu; /* offset 0x88 */
unsigned int clkmoddpllper; /* offset 0x8c */
unsigned int clkmoddpllcore; /* offset 0x90 */
unsigned int clkmoddpllddr; /* offset 0x94 */
unsigned int clkmoddplldisp; /* offset 0x98 */
unsigned int clkseldpllper; /* offset 0x9c */
unsigned int divm2dpllddr; /* offset 0xA0 */
unsigned int divm2dplldisp; /* offset 0xA4 */
unsigned int divm2dpllmpu; /* offset 0xA8 */
unsigned int divm2dpllper; /* offset 0xAC */
unsigned int resv11[1];
unsigned int wkup_uart0ctrl; /* offset 0xB4 */
unsigned int resv12[8];
unsigned int divm6dpllcore; /* offset 0xD8 */
};
/**
* Encapsulating peripheral functional clocks
* pll registers
*/
struct cm_perpll {
unsigned int l4lsclkstctrl; /* offset 0x00 */
unsigned int l3sclkstctrl; /* offset 0x04 */
unsigned int l4fwclkstctrl; /* offset 0x08 */
unsigned int l3clkstctrl; /* offset 0x0c */
unsigned int resv1[6];
unsigned int emifclkctrl; /* offset 0x28 */
unsigned int ocmcramclkctrl; /* offset 0x2c */
unsigned int resv2[12];
unsigned int l4lsclkctrl; /* offset 0x60 */
unsigned int l4fwclkctrl; /* offset 0x64 */
unsigned int resv3[6];
unsigned int timer2clkctrl; /* offset 0x80 */
unsigned int resv4[19];
unsigned int emiffwclkctrl; /* offset 0xD0 */
unsigned int resv5[2];
unsigned int l3instrclkctrl; /* offset 0xDC */
unsigned int l3clkctrl; /* Offset 0xE0 */
unsigned int resv6[14];
unsigned int l4hsclkstctrl; /* offset 0x11C */
unsigned int l4hsclkctrl; /* offset 0x120 */
};
/* Encapsulating Display pll registers */
struct cm_dpll {
unsigned int resv1[2];
unsigned int clktimer2clk; /* offset 0x08 */
};
/* Watchdog timer registers */
struct wd_timer {
unsigned int resv1[4];
unsigned int wdtwdsc; /* offset 0x010 */
unsigned int wdtwdst; /* offset 0x014 */
unsigned int wdtwisr; /* offset 0x018 */
unsigned int wdtwier; /* offset 0x01C */
unsigned int wdtwwer; /* offset 0x020 */
unsigned int wdtwclr; /* offset 0x024 */
unsigned int wdtwcrr; /* offset 0x028 */
unsigned int wdtwldr; /* offset 0x02C */
unsigned int wdtwtgr; /* offset 0x030 */
unsigned int wdtwwps; /* offset 0x034 */
unsigned int resv2[3];
unsigned int wdtwdly; /* offset 0x044 */
unsigned int wdtwspr; /* offset 0x048 */
unsigned int resv3[1];
unsigned int wdtwqeoi; /* offset 0x050 */
unsigned int wdtwqstar; /* offset 0x054 */
unsigned int wdtwqsta; /* offset 0x058 */
unsigned int wdtwqens; /* offset 0x05C */
unsigned int wdtwqenc; /* offset 0x060 */
unsigned int resv4[39];
unsigned int wdt_unfr; /* offset 0x100 */
};
/* Timer Registers */
struct timer_reg {
unsigned int resv1[4];
unsigned int tiocpcfgreg; /* offset 0x10 */
unsigned int resv2[9];
unsigned int tclrreg; /* offset 0x38 */
unsigned int tcrrreg; /* offset 0x3C */
unsigned int tldrreg; /* offset 0x40 */
unsigned int resv3[4];
unsigned int tsicrreg; /* offset 0x54 */
};
/* Timer 32 bit registers */
struct gptimer {
unsigned int tidr; /* offset 0x00 */
unsigned int res1[0xc];
unsigned int tiocp_cfg; /* offset 0x10 */
unsigned int res2[0xc];
unsigned int tier; /* offset 0x20 */
unsigned int tistatr; /* offset 0x24 */
unsigned int tistat; /* offset 0x28 */
unsigned int tisr; /* offset 0x2c */
unsigned int tcicr; /* offset 0x30 */
unsigned int twer; /* offset 0x34 */
unsigned int tclr; /* offset 0x38 */
unsigned int tcrr; /* offset 0x3c */
unsigned int tldr; /* offset 0x40 */
unsigned int ttgr; /* offset 0x44 */
unsigned int twpc; /* offset 0x48 */
unsigned int tmar; /* offset 0x4c */
unsigned int tcar1; /* offset 0x50 */
unsigned int tscir; /* offset 0x54 */
unsigned int tcar2; /* offset 0x58 */
};
/* UART Registers */
struct uart_sys {
unsigned int resv1[21];
unsigned int uartsyscfg; /* offset 0x54 */
unsigned int uartsyssts; /* offset 0x58 */
};
/* VTP Registers */
struct vtp_reg {
unsigned int vtp0ctrlreg;
};
/* Control Status Register */
struct ctrl_stat {
unsigned int resv1[16];
unsigned int statusreg; /* ofset 0x40 */
};
void init_timer(void);
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL_STRICT_NAMES */
#endif /* _AM33XX_CPU_H */
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