You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
245 lines
5.5 KiB
C
245 lines
5.5 KiB
C
/******************************************************************************
|
|
**
|
|
** FILE NAME : ifxmips_atm_ar9.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 "ifxmips_atm_core.h"
|
|
|
|
#include "ifxmips_atm_fw_ar9.h"
|
|
#include "ifxmips_atm_fw_regs_ar9.h"
|
|
|
|
#include <lantiq_soc.h>
|
|
|
|
|
|
|
|
/*
|
|
* ####################################
|
|
* Definition
|
|
* ####################################
|
|
*/
|
|
|
|
/*
|
|
* EMA Settings
|
|
*/
|
|
#define EMA_CMD_BUF_LEN 0x0040
|
|
#define EMA_CMD_BASE_ADDR (0x00003B80 << 2)
|
|
#define EMA_DATA_BUF_LEN 0x0100
|
|
#define EMA_DATA_BASE_ADDR (0x00003C00 << 2)
|
|
#define EMA_WRITE_BURST 0x2
|
|
#define EMA_READ_BURST 0x2
|
|
|
|
|
|
|
|
/*
|
|
* ####################################
|
|
* 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_ema(void);
|
|
static inline void init_mailbox(void);
|
|
static inline void clear_share_buffer(void);
|
|
|
|
|
|
|
|
/*
|
|
* ####################################
|
|
* Local Variable
|
|
* ####################################
|
|
*/
|
|
|
|
|
|
|
|
/*
|
|
* ####################################
|
|
* Local Function
|
|
* ####################################
|
|
*/
|
|
|
|
#define IFX_PMU_MODULE_PPE_SLL01 BIT(19)
|
|
#define IFX_PMU_MODULE_PPE_TC BIT(21)
|
|
#define IFX_PMU_MODULE_PPE_EMA BIT(22)
|
|
#define IFX_PMU_MODULE_PPE_QSB BIT(18)
|
|
#define IFX_PMU_MODULE_TPE BIT(13)
|
|
#define IFX_PMU_MODULE_DSL_DFE BIT(9)
|
|
|
|
static inline void init_pmu(void)
|
|
{
|
|
ltq_pmu_enable(IFX_PMU_MODULE_PPE_SLL01 |
|
|
IFX_PMU_MODULE_PPE_TC |
|
|
IFX_PMU_MODULE_PPE_EMA |
|
|
IFX_PMU_MODULE_PPE_QSB |
|
|
IFX_PMU_MODULE_TPE |
|
|
IFX_PMU_MODULE_DSL_DFE);
|
|
}
|
|
|
|
static inline void uninit_pmu(void)
|
|
{
|
|
}
|
|
|
|
static inline void reset_ppe(void)
|
|
{
|
|
#ifdef MODULE
|
|
// reset PPE
|
|
// ifx_rcu_rst(IFX_RCU_DOMAIN_PPE, IFX_RCU_MODULE_ATM);
|
|
#endif
|
|
}
|
|
|
|
static inline void init_ema(void)
|
|
{
|
|
IFX_REG_W32((EMA_CMD_BUF_LEN << 16) | (EMA_CMD_BASE_ADDR >> 2), EMA_CMDCFG);
|
|
IFX_REG_W32((EMA_DATA_BUF_LEN << 16) | (EMA_DATA_BASE_ADDR >> 2), EMA_DATACFG);
|
|
IFX_REG_W32(0x000000FF, EMA_IER);
|
|
IFX_REG_W32(EMA_READ_BURST | (EMA_WRITE_BURST << 2), EMA_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 clear_share_buffer(void)
|
|
{
|
|
volatile u32 *p = SB_RAM0_ADDR(0);
|
|
unsigned int i;
|
|
|
|
for ( i = 0; i < SB_RAM0_DWLEN + SB_RAM1_DWLEN + SB_RAM2_DWLEN + SB_RAM3_DWLEN + SB_RAM4_DWLEN; i++ )
|
|
IFX_REG_W32(0, p++);
|
|
}
|
|
|
|
static inline int pp32_download_code(u32 *code_src, unsigned int code_dword_len, u32 *data_src, unsigned int data_dword_len)
|
|
{
|
|
volatile u32 *dest;
|
|
|
|
if ( code_src == 0 || ((unsigned long)code_src & 0x03) != 0
|
|
|| data_src == 0 || ((unsigned long)data_src & 0x03) != 0 )
|
|
return -1;
|
|
|
|
if ( code_dword_len <= CDM_CODE_MEMORYn_DWLEN(0) )
|
|
IFX_REG_W32(0x00, CDM_CFG);
|
|
else
|
|
IFX_REG_W32(0x04, CDM_CFG);
|
|
|
|
/* copy code */
|
|
dest = CDM_CODE_MEMORY(0, 0);
|
|
while ( code_dword_len-- > 0 )
|
|
IFX_REG_W32(*code_src++, dest++);
|
|
|
|
/* copy data */
|
|
dest = CDM_DATA_MEMORY(0, 0);
|
|
while ( data_dword_len-- > 0 )
|
|
IFX_REG_W32(*data_src++, dest++);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void ar9_fw_ver(unsigned int *major, unsigned int *minor)
|
|
{
|
|
ASSERT(major != NULL, "pointer is NULL");
|
|
ASSERT(minor != NULL, "pointer is NULL");
|
|
|
|
*major = FW_VER_ID->major;
|
|
*minor = FW_VER_ID->minor;
|
|
}
|
|
|
|
void ar9_init(void)
|
|
{
|
|
init_pmu();
|
|
reset_ppe();
|
|
init_ema();
|
|
init_mailbox();
|
|
clear_share_buffer();
|
|
}
|
|
|
|
void ar9_shutdown(void)
|
|
{
|
|
ltq_pmu_disable(IFX_PMU_MODULE_PPE_SLL01 |
|
|
IFX_PMU_MODULE_PPE_TC |
|
|
IFX_PMU_MODULE_PPE_EMA |
|
|
IFX_PMU_MODULE_PPE_QSB |
|
|
IFX_PMU_MODULE_TPE |
|
|
IFX_PMU_MODULE_DSL_DFE);
|
|
}
|
|
|
|
int ar9_start(int pp32)
|
|
{
|
|
int ret;
|
|
|
|
ret = pp32_download_code(ar9_fw_bin, sizeof(ar9_fw_bin) / sizeof(*ar9_fw_bin),
|
|
ar9_fw_data, sizeof(ar9_fw_data) / sizeof(*ar9_fw_data));
|
|
if ( ret != 0 )
|
|
return ret;
|
|
|
|
IFX_REG_W32(DBG_CTRL_RESTART, PP32_DBG_CTRL(0));
|
|
|
|
udelay(10);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void ar9_stop(int pp32)
|
|
{
|
|
IFX_REG_W32(DBG_CTRL_STOP, PP32_DBG_CTRL(0));
|
|
}
|
|
|
|
struct ltq_atm_ops ar9_ops = {
|
|
.init = ar9_init,
|
|
.shutdown = ar9_shutdown,
|
|
.start = ar9_start,
|
|
.stop = ar9_stop,
|
|
.fw_ver = ar9_fw_ver,
|
|
};
|
|
|
|
|