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/
usr/
src/
linux-headers-3.0.0-14/
arch/
mips/
include/
asm/
mach-ar7/
- drwxr-xr-x
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Viewing file:  ar7.h (5.32 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
/*
* Copyright (C) 2006,2007 Felix Fietkau <nbd@openwrt.org>
* Copyright (C) 2006,2007 Eugene Konev <ejka@openwrt.org>
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __AR7_H__
#define __AR7_H__
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/errno.h>
#include <asm/addrspace.h>
#define AR7_SDRAM_BASE 0x14000000
#define AR7_REGS_BASE 0x08610000
#define AR7_REGS_MAC0 (AR7_REGS_BASE + 0x0000)
#define AR7_REGS_GPIO (AR7_REGS_BASE + 0x0900)
/* 0x08610A00 - 0x08610BFF (512 bytes, 128 bytes / clock) */
#define AR7_REGS_POWER (AR7_REGS_BASE + 0x0a00)
#define AR7_REGS_CLOCKS (AR7_REGS_POWER + 0x80)
#define UR8_REGS_CLOCKS (AR7_REGS_POWER + 0x20)
#define AR7_REGS_UART0 (AR7_REGS_BASE + 0x0e00)
#define AR7_REGS_USB (AR7_REGS_BASE + 0x1200)
#define AR7_REGS_RESET (AR7_REGS_BASE + 0x1600)
#define AR7_REGS_PINSEL (AR7_REGS_BASE + 0x160C)
#define AR7_REGS_VLYNQ0 (AR7_REGS_BASE + 0x1800)
#define AR7_REGS_DCL (AR7_REGS_BASE + 0x1a00)
#define AR7_REGS_VLYNQ1 (AR7_REGS_BASE + 0x1c00)
#define AR7_REGS_MDIO (AR7_REGS_BASE + 0x1e00)
#define AR7_REGS_IRQ (AR7_REGS_BASE + 0x2400)
#define AR7_REGS_MAC1 (AR7_REGS_BASE + 0x2800)
#define AR7_REGS_WDT (AR7_REGS_BASE + 0x1f00)
#define UR8_REGS_WDT (AR7_REGS_BASE + 0x0b00)
#define UR8_REGS_UART1 (AR7_REGS_BASE + 0x0f00)
/* Titan registers */
#define TITAN_REGS_ESWITCH_BASE (0x08640000)
#define TITAN_REGS_MAC0 (TITAN_REGS_ESWITCH_BASE)
#define TITAN_REGS_MAC1 (TITAN_REGS_ESWITCH_BASE + 0x0800)
#define TITAN_REGS_MDIO (TITAN_REGS_ESWITCH_BASE + 0x02000)
#define TITAN_REGS_VLYNQ0 (AR7_REGS_BASE + 0x1c00)
#define TITAN_REGS_VLYNQ1 (AR7_REGS_BASE + 0x1300)
#define AR7_RESET_PERIPHERAL 0x0
#define AR7_RESET_SOFTWARE 0x4
#define AR7_RESET_STATUS 0x8
#define AR7_RESET_BIT_CPMAC_LO 17
#define AR7_RESET_BIT_CPMAC_HI 21
#define AR7_RESET_BIT_MDIO 22
#define AR7_RESET_BIT_EPHY 26
#define TITAN_RESET_BIT_EPHY1 28
/* GPIO control registers */
#define AR7_GPIO_INPUT 0x0
#define AR7_GPIO_OUTPUT 0x4
#define AR7_GPIO_DIR 0x8
#define AR7_GPIO_ENABLE 0xc
#define TITAN_GPIO_INPUT_0 0x0
#define TITAN_GPIO_INPUT_1 0x4
#define TITAN_GPIO_OUTPUT_0 0x8
#define TITAN_GPIO_OUTPUT_1 0xc
#define TITAN_GPIO_DIR_0 0x10
#define TITAN_GPIO_DIR_1 0x14
#define TITAN_GPIO_ENBL_0 0x18
#define TITAN_GPIO_ENBL_1 0x1c
#define AR7_CHIP_7100 0x18
#define AR7_CHIP_7200 0x2b
#define AR7_CHIP_7300 0x05
#define AR7_CHIP_TITAN 0x07
#define TITAN_CHIP_1050 0x0f
#define TITAN_CHIP_1055 0x0e
#define TITAN_CHIP_1056 0x0d
#define TITAN_CHIP_1060 0x07
/* Interrupts */
#define AR7_IRQ_UART0 15
#define AR7_IRQ_UART1 16
/* Clocks */
#define AR7_AFE_CLOCK 35328000
#define AR7_REF_CLOCK 25000000
#define AR7_XTAL_CLOCK 24000000
/* DCL */
#define AR7_WDT_HW_ENA 0x10
struct plat_cpmac_data {
int reset_bit;
int power_bit;
u32 phy_mask;
char dev_addr[6];
};
struct plat_dsl_data {
int reset_bit_dsl;
int reset_bit_sar;
};
extern int ar7_cpu_clock, ar7_bus_clock, ar7_dsp_clock;
static inline int ar7_is_titan(void)
{
return (readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x24)) & 0xffff) ==
AR7_CHIP_TITAN;
}
static inline u16 ar7_chip_id(void)
{
return ar7_is_titan() ? AR7_CHIP_TITAN : (readl((void *)
KSEG1ADDR(AR7_REGS_GPIO + 0x14)) & 0xffff);
}
static inline u16 titan_chip_id(void)
{
unsigned int val = readl((void *)KSEG1ADDR(AR7_REGS_GPIO +
TITAN_GPIO_INPUT_1));
return ((val >> 12) & 0x0f);
}
static inline u8 ar7_chip_rev(void)
{
return (readl((void *)KSEG1ADDR(AR7_REGS_GPIO + (ar7_is_titan() ? 0x24 :
0x14))) >> 16) & 0xff;
}
struct clk {
unsigned int rate;
};
static inline int ar7_has_high_cpmac(void)
{
u16 chip_id = ar7_chip_id();
switch (chip_id) {
case AR7_CHIP_7100:
case AR7_CHIP_7200:
return 0;
case AR7_CHIP_7300:
return 1;
default:
return -ENXIO;
}
}
#define ar7_has_high_vlynq ar7_has_high_cpmac
#define ar7_has_second_uart ar7_has_high_cpmac
static inline void ar7_device_enable(u32 bit)
{
void *reset_reg =
(void *)KSEG1ADDR(AR7_REGS_RESET + AR7_RESET_PERIPHERAL);
writel(readl(reset_reg) | (1 << bit), reset_reg);
msleep(20);
}
static inline void ar7_device_disable(u32 bit)
{
void *reset_reg =
(void *)KSEG1ADDR(AR7_REGS_RESET + AR7_RESET_PERIPHERAL);
writel(readl(reset_reg) & ~(1 << bit), reset_reg);
msleep(20);
}
static inline void ar7_device_reset(u32 bit)
{
ar7_device_disable(bit);
ar7_device_enable(bit);
}
static inline void ar7_device_on(u32 bit)
{
void *power_reg = (void *)KSEG1ADDR(AR7_REGS_POWER);
writel(readl(power_reg) | (1 << bit), power_reg);
msleep(20);
}
static inline void ar7_device_off(u32 bit)
{
void *power_reg = (void *)KSEG1ADDR(AR7_REGS_POWER);
writel(readl(power_reg) & ~(1 << bit), power_reg);
msleep(20);
}
int __init ar7_gpio_init(void);
void __init ar7_init_clocks(void);
#endif /* __AR7_H__ */
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