freebsd-dev/sys/mips/atheros/ar71xx_cpudef.h
Adrian Chadd 766c980a8b Add two new CPU specific definitions - the watchdog clock frequency and
the UART clock frequency.

The AR933x and AR934x have separate PLL settings for these.
2013-07-21 03:51:24 +00:00

135 lines
4.4 KiB
C

/*-
* Copyright (c) 2010 Adrian Chadd
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* $FreeBSD$ */
#ifndef __AR71XX_CPUDEF_H__
#define __AR71XX_CPUDEF_H__
struct ar71xx_cpu_def {
void (* detect_mem_size) (void);
void (* detect_sys_frequency) (void);
void (* ar71xx_chip_device_stop) (uint32_t);
void (* ar71xx_chip_device_start) (uint32_t);
int (* ar71xx_chip_device_stopped) (uint32_t);
void (* ar71xx_chip_set_pll_ge) (int, int, uint32_t);
void (* ar71xx_chip_set_mii_speed) (uint32_t, uint32_t);
void (* ar71xx_chip_set_mii_if) (uint32_t, ar71xx_mii_mode);
void (* ar71xx_chip_ddr_flush_ge) (int);
uint32_t (* ar71xx_chip_get_eth_pll) (unsigned int, int);
/*
* From Linux - Handling this IRQ is a bit special.
* AR71xx - AR71XX_DDR_REG_FLUSH_PCI
* AR724x - AR724X_DDR_REG_FLUSH_PCIE
* AR91xx - AR91XX_DDR_REG_FLUSH_WMAC
*
* These are set when STATUSF_IP2 is set in regiser c0.
* This flush is done before the IRQ is handled to make
* sure the driver correctly sees any memory updates.
*/
void (* ar71xx_chip_ddr_flush_ip2) (void);
/*
* The USB peripheral init code is subtly different for
* each chip.
*/
void (* ar71xx_chip_init_usb_peripheral) (void);
};
extern struct ar71xx_cpu_def * ar71xx_cpu_ops;
static inline void ar71xx_detect_sys_frequency(void)
{
ar71xx_cpu_ops->detect_sys_frequency();
}
static inline void ar71xx_device_stop(uint32_t mask)
{
ar71xx_cpu_ops->ar71xx_chip_device_stop(mask);
}
static inline void ar71xx_device_start(uint32_t mask)
{
ar71xx_cpu_ops->ar71xx_chip_device_start(mask);
}
static inline int ar71xx_device_stopped(uint32_t mask)
{
return ar71xx_cpu_ops->ar71xx_chip_device_stopped(mask);
}
static inline void ar71xx_device_set_pll_ge(int unit, int speed, uint32_t pll)
{
ar71xx_cpu_ops->ar71xx_chip_set_pll_ge(unit, speed, pll);
}
static inline void ar71xx_device_set_mii_speed(int unit, int speed)
{
ar71xx_cpu_ops->ar71xx_chip_set_mii_speed(unit, speed);
}
static inline void ar71xx_device_set_mii_if(int unit, ar71xx_mii_mode mii_cfg)
{
ar71xx_cpu_ops->ar71xx_chip_set_mii_if(unit, mii_cfg);
}
static inline void ar71xx_device_flush_ddr_ge(int unit)
{
ar71xx_cpu_ops->ar71xx_chip_ddr_flush_ge(unit);
}
static inline uint32_t ar71xx_device_get_eth_pll(unsigned int unit, int speed)
{
return (ar71xx_cpu_ops->ar71xx_chip_get_eth_pll(unit, speed));
}
static inline void ar71xx_init_usb_peripheral(void)
{
ar71xx_cpu_ops->ar71xx_chip_init_usb_peripheral();
}
static inline void ar71xx_device_ddr_flush_ip2(void)
{
ar71xx_cpu_ops->ar71xx_chip_ddr_flush_ip2();
}
/* XXX shouldn't be here! */
extern uint32_t u_ar71xx_refclk;
extern uint32_t u_ar71xx_cpu_freq;
extern uint32_t u_ar71xx_ahb_freq;
extern uint32_t u_ar71xx_ddr_freq;
extern uint32_t u_ar71xx_uart_freq;
extern uint32_t u_ar71xx_wdt_freq;
static inline uint64_t ar71xx_refclk(void) { return u_ar71xx_refclk; }
static inline uint64_t ar71xx_cpu_freq(void) { return u_ar71xx_cpu_freq; }
static inline uint64_t ar71xx_ahb_freq(void) { return u_ar71xx_ahb_freq; }
static inline uint64_t ar71xx_ddr_freq(void) { return u_ar71xx_ddr_freq; }
static inline uint64_t ar71xx_uart_freq(void) { return u_ar71xx_uart_freq; }
static inline uint64_t ar71xx_wdt_freq(void) { return u_ar71xx_wdt_freq; }
#endif