+++ /dev/null
-/******************************************************************************
-**
-** 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 <linux/clk.h>
-#include <asm/delay.h>
-
-/*
- * Chip Specific Head File
- */
-#include <lantiq_soc.h>
-#include "ifxmips_compat.h"
-#define IFX_MEI_BSP 1
-#include "ifxmips_mei_interface.h"
-#include "ifxmips_atm_core.h"
-#include "ifxmips_atm_ppe_common.h"
- #if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX
- #include "ifxmips_atm_fw_ar9_retx.h"
-#else
- #include "ifxmips_atm_fw_ar9.h"
-#endif
-
-
-
-/*
- * ####################################
- * 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 init_atm_tc(void);
-static inline void clear_share_buffer(void);
-
-
-
-/*
- * ####################################
- * Local Variable
- * ####################################
- */
-
-
-
-/*
- * ####################################
- * Local Function
- * ####################################
- */
-
-static inline void init_pmu(void)
-{
- //*(unsigned long *)0xBF10201C &= ~((1 << 15) | (1 << 13) | (1 << 9));
- //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);*/
- struct clk *clk = clk_get_sys("ltq_dsl", NULL);
- clk_enable(clk);
-}
-
-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);
- struct clk *clk = clk_get_sys("ltq_dsl", NULL);
- clk_disable(clk);
-}
-
-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 init_atm_tc(void)
-{
-}
-
-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++);
-}
-
-/*
- * Description:
- * Download PPE firmware binary code.
- * Input:
- * 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(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 IFX_ERROR;
-
- 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 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");
-
-#if (defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX) || defined(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_ema();
-
- 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)
-{
- int ret;
-
- /* download firmware */
- ret = pp32_download_code(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(DBG_CTRL_RESTART, PP32_DBG_CTRL(0));
-
- /* 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)
-{
- /* halt PP32 */
- IFX_REG_W32(DBG_CTRL_STOP, PP32_DBG_CTRL(0));
-}
projects / openwrt / openwrt.git / blobdiff