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openwrt/package/system/ltq-dsl/src/ifxmips_atm_vr9.c

304 lines
7.0 KiB
C

/******************************************************************************
**
** FILE NAME : ifxmips_atm_vr9.c
** PROJECT : UEIP
** MODULES : ATM
**
** DATE : 7 Jul 2009
** AUTHOR : Xu Liang
** DESCRIPTION : ATM driver common source file (core functions)
** COPYRIGHT : Copyright (c) 2006
** Infineon Technologies AG
** Am Campeon 1-12, 85579 Neubiberg, Germany
**
** 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.
**
** HISTORY
** $Date $Author $Comment
** 07 JUL 2009 Xu Liang Init Version
*******************************************************************************/
/*
* ####################################
* Head File
* ####################################
*/
/*
* Common Head File
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/version.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/proc_fs.h>
#include <linux/init.h>
#include <linux/ioctl.h>
#include <asm/delay.h>
/*
* Chip Specific Head File
*/
#include <ifx_types.h>
#include <ifx_regs.h>
#include <common_routines.h>
#include <ifx_pmu.h>
#include <ifx_rcu.h>
#include "ifxmips_atm_core.h"
#include "ifxmips_atm_fw_vr9.h"
/*
* ####################################
* Definition
* ####################################
*/
/*
* ####################################
* Declaration
* ####################################
*/
/*
* Hardware Init/Uninit Functions
*/
static inline void init_pmu(void);
static inline void uninit_pmu(void);
static inline void reset_ppe(void);
static inline void init_pdma(void);
static inline void init_mailbox(void);
static inline void init_atm_tc(void);
static inline void clear_share_buffer(void);
/*
* ####################################
* Local Variable
* ####################################
*/
/*
* ####################################
* Local Function
* ####################################
*/
static inline void init_pmu(void)
{
//*PMU_PWDCR &= ~((1 << 29) | (1 << 22) | (1 << 21) | (1 << 19) | (1 << 18));
//PPE_TOP_PMU_SETUP(IFX_PMU_ENABLE);
PPE_SLL01_PMU_SETUP(IFX_PMU_ENABLE);
PPE_TC_PMU_SETUP(IFX_PMU_ENABLE);
PPE_EMA_PMU_SETUP(IFX_PMU_ENABLE);
PPE_QSB_PMU_SETUP(IFX_PMU_ENABLE);
PPE_TPE_PMU_SETUP(IFX_PMU_ENABLE);
DSL_DFE_PMU_SETUP(IFX_PMU_ENABLE);
}
static inline void uninit_pmu(void)
{
PPE_SLL01_PMU_SETUP(IFX_PMU_DISABLE);
PPE_TC_PMU_SETUP(IFX_PMU_DISABLE);
PPE_EMA_PMU_SETUP(IFX_PMU_DISABLE);
PPE_QSB_PMU_SETUP(IFX_PMU_DISABLE);
PPE_TPE_PMU_SETUP(IFX_PMU_DISABLE);
DSL_DFE_PMU_SETUP(IFX_PMU_DISABLE);
//PPE_TOP_PMU_SETUP(IFX_PMU_DISABLE);
}
static inline void reset_ppe(void)
{
#ifdef MODULE
// reset PPE
ifx_rcu_rst(IFX_RCU_DOMAIN_DSLDFE, IFX_RCU_MODULE_ATM);
udelay(1000);
ifx_rcu_rst(IFX_RCU_DOMAIN_DSLTC, IFX_RCU_MODULE_ATM);
udelay(1000);
ifx_rcu_rst(IFX_RCU_DOMAIN_PPE, IFX_RCU_MODULE_ATM);
udelay(1000);
*PP32_SRST &= ~0x000303CF;
udelay(1000);
*PP32_SRST |= 0x000303CF;
udelay(1000);
#endif
}
static inline void init_pdma(void)
{
IFX_REG_W32(0x08, PDMA_CFG);
IFX_REG_W32(0x00203580, SAR_PDMA_RX_CMDBUF_CFG);
IFX_REG_W32(0x004035A0, SAR_PDMA_RX_FW_CMDBUF_CFG);
}
static inline void init_mailbox(void)
{
IFX_REG_W32(0xFFFFFFFF, MBOX_IGU1_ISRC);
IFX_REG_W32(0x00000000, MBOX_IGU1_IER);
IFX_REG_W32(0xFFFFFFFF, MBOX_IGU3_ISRC);
IFX_REG_W32(0x00000000, MBOX_IGU3_IER);
}
static inline void init_atm_tc(void)
{
/* clear sync state */
*SFSM_STATE0 = 0;
*SFSM_STATE1 = 0;
/* enable keep IDLE */
// *SFSM_CFG0 |= 1 << 15;
// *SFSM_CFG1 |= 1 << 15;
}
static inline void clear_share_buffer(void)
{
volatile u32 *p;
unsigned int i;
p = SB_RAM0_ADDR(0);
for ( i = 0; i < SB_RAM0_DWLEN + SB_RAM1_DWLEN + SB_RAM2_DWLEN + SB_RAM3_DWLEN; i++ )
IFX_REG_W32(0, p++);
p = SB_RAM6_ADDR(0);
for ( i = 0; i < SB_RAM6_DWLEN; i++ )
IFX_REG_W32(0, p++);
}
/*
* Description:
* Download PPE firmware binary code.
* Input:
* pp32 --- int, which pp32 core
* src --- u32 *, binary code buffer
* dword_len --- unsigned int, binary code length in DWORD (32-bit)
* Output:
* int --- IFX_SUCCESS: Success
* else: Error Code
*/
static inline int pp32_download_code(int pp32, u32 *code_src, unsigned int code_dword_len, u32 *data_src, unsigned int data_dword_len)
{
unsigned int clr, set;
volatile u32 *dest;
if ( code_src == 0 || ((unsigned long)code_src & 0x03) != 0
|| data_src == 0 || ((unsigned long)data_src & 0x03) != 0 )
return IFX_ERROR;
clr = pp32 ? 0xF0 : 0x0F;
if ( code_dword_len <= CDM_CODE_MEMORYn_DWLEN(0) )
set = pp32 ? (3 << 6): (2 << 2);
else
set = 0x00;
IFX_REG_W32_MASK(clr, set, CDM_CFG);
/* copy code */
dest = CDM_CODE_MEMORY(pp32, 0);
while ( code_dword_len-- > 0 )
IFX_REG_W32(*code_src++, dest++);
/* copy data */
dest = CDM_DATA_MEMORY(pp32, 0);
while ( data_dword_len-- > 0 )
IFX_REG_W32(*data_src++, dest++);
return IFX_SUCCESS;
}
/*
* ####################################
* Global Function
* ####################################
*/
extern void ifx_atm_get_fw_ver(unsigned int *major, unsigned int *minor)
{
ASSERT(major != NULL, "pointer is NULL");
ASSERT(minor != NULL, "pointer is NULL");
#ifdef VER_IN_FIRMWARE
*major = FW_VER_ID->major;
*minor = FW_VER_ID->minor;
#else
*major = ATM_FW_VER_MAJOR;
*minor = ATM_FW_VER_MINOR;
#endif
}
void ifx_atm_init_chip(void)
{
init_pmu();
reset_ppe();
init_pdma();
init_mailbox();
init_atm_tc();
clear_share_buffer();
}
void ifx_atm_uninit_chip(void)
{
uninit_pmu();
}
/*
* Description:
* Initialize and start up PP32.
* Input:
* none
* Output:
* int --- IFX_SUCCESS: Success
* else: Error Code
*/
int ifx_pp32_start(int pp32)
{
unsigned int mask = 1 << (pp32 << 4);
int ret;
/* download firmware */
ret = pp32_download_code(pp32, firmware_binary_code, sizeof(firmware_binary_code) / sizeof(*firmware_binary_code), firmware_binary_data, sizeof(firmware_binary_data) / sizeof(*firmware_binary_data));
if ( ret != IFX_SUCCESS )
return ret;
/* run PP32 */
IFX_REG_W32_MASK(mask, 0, PP32_FREEZE);
/* idle for a while to let PP32 init itself */
udelay(10);
return IFX_SUCCESS;
}
/*
* Description:
* Halt PP32.
* Input:
* none
* Output:
* none
*/
void ifx_pp32_stop(int pp32)
{
unsigned int mask = 1 << (pp32 << 4);
/* halt PP32 */
IFX_REG_W32_MASK(0, mask, PP32_FREEZE);
}