+++ /dev/null
-/******************************************************************************
-**
-** 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);
-}
projects / openwrt.git / blobdiff