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379 lines
11 KiB
C
379 lines
11 KiB
C
/******************************************************************************
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**
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** FILE NAME : ifxmips_ptm_ar9.c
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** PROJECT : UEIP
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** MODULES : PTM
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**
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** DATE : 7 Jul 2009
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** AUTHOR : Xu Liang
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** DESCRIPTION : PTM driver common source file (core functions)
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** COPYRIGHT : Copyright (c) 2006
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** Infineon Technologies AG
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** Am Campeon 1-12, 85579 Neubiberg, Germany
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** HISTORY
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** $Date $Author $Comment
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** 07 JUL 2009 Xu Liang Init Version
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*******************************************************************************/
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/*
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* ####################################
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* Head File
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* ####################################
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*/
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/*
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* Common Head File
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/version.h>
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#include <linux/types.h>
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#include <linux/errno.h>
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#include <linux/proc_fs.h>
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#include <linux/init.h>
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#include <linux/ioctl.h>
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#include <linux/platform_device.h>
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#include <linux/reset.h>
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#include <asm/delay.h>
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/*
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* Chip Specific Head File
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*/
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#include "ifxmips_ptm_adsl.h"
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#include "ifxmips_ptm_fw_ar9.h"
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#include <lantiq_soc.h>
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/*
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* ####################################
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* Definition
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* ####################################
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*/
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/*
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* EMA Settings
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*/
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#define EMA_CMD_BUF_LEN 0x0040
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#define EMA_CMD_BASE_ADDR (0x00001B80 << 2)
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#define EMA_DATA_BUF_LEN 0x0100
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#define EMA_DATA_BASE_ADDR (0x00001C00 << 2)
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#define EMA_WRITE_BURST 0x2
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#define EMA_READ_BURST 0x2
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/*
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* ####################################
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* Declaration
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* ####################################
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*/
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/*
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* Hardware Init/Uninit Functions
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*/
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static inline void init_pmu(void);
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static inline void uninit_pmu(void);
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static inline void reset_ppe(struct platform_device *pdev);
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static inline void init_ema(void);
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static inline void init_mailbox(void);
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static inline void init_atm_tc(void);
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static inline void clear_share_buffer(void);
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/*
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* ####################################
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* Local Variable
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* ####################################
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*/
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/*
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* ####################################
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* Local Function
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* ####################################
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*/
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#define IFX_PMU_MODULE_PPE_SLL01 BIT(19)
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#define IFX_PMU_MODULE_PPE_TC BIT(21)
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#define IFX_PMU_MODULE_PPE_EMA BIT(22)
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#define IFX_PMU_MODULE_PPE_QSB BIT(18)
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#define IFX_PMU_MODULE_TPE BIT(13)
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#define IFX_PMU_MODULE_DSL_DFE BIT(9)
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static inline void init_pmu(void)
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{
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ltq_pmu_enable(IFX_PMU_MODULE_PPE_SLL01 |
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IFX_PMU_MODULE_PPE_TC |
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IFX_PMU_MODULE_PPE_EMA |
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IFX_PMU_MODULE_TPE |
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IFX_PMU_MODULE_DSL_DFE);
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}
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static inline void uninit_pmu(void)
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{
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ltq_pmu_disable(IFX_PMU_MODULE_PPE_SLL01 |
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IFX_PMU_MODULE_PPE_TC |
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IFX_PMU_MODULE_PPE_EMA |
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IFX_PMU_MODULE_TPE |
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IFX_PMU_MODULE_DSL_DFE);
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}
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static inline void reset_ppe(struct platform_device *pdev)
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{
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#ifdef MODULE
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// reset PPE
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// ifx_rcu_rst(IFX_RCU_DOMAIN_PPE, IFX_RCU_MODULE_PTM);
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#endif
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}
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static inline void init_ema(void)
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{
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// Configure share buffer master selection
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IFX_REG_W32(1, SB_MST_PRI0);
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IFX_REG_W32(1, SB_MST_PRI1);
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// EMA Settings
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IFX_REG_W32((EMA_CMD_BUF_LEN << 16) | (EMA_CMD_BASE_ADDR >> 2), EMA_CMDCFG);
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IFX_REG_W32((EMA_DATA_BUF_LEN << 16) | (EMA_DATA_BASE_ADDR >> 2), EMA_DATACFG);
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IFX_REG_W32(0x000000FF, EMA_IER);
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IFX_REG_W32(EMA_READ_BURST | (EMA_WRITE_BURST << 2), EMA_CFG);
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}
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static inline void init_mailbox(void)
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{
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IFX_REG_W32(0xFFFFFFFF, MBOX_IGU1_ISRC);
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IFX_REG_W32(0x00000000, MBOX_IGU1_IER);
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IFX_REG_W32(0xFFFFFFFF, MBOX_IGU3_ISRC);
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IFX_REG_W32(0x00000000, MBOX_IGU3_IER);
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}
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static inline void init_atm_tc(void)
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{
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IFX_REG_W32(0x0, RFBI_CFG);
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IFX_REG_W32(0x1800, SFSM_DBA0);
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IFX_REG_W32(0x1921, SFSM_DBA1);
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IFX_REG_W32(0x1A42, SFSM_CBA0);
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IFX_REG_W32(0x1A53, SFSM_CBA1);
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IFX_REG_W32(0x14011, SFSM_CFG0);
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IFX_REG_W32(0x14011, SFSM_CFG1);
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IFX_REG_W32(0x1000, FFSM_DBA0);
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IFX_REG_W32(0x1700, FFSM_DBA1);
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IFX_REG_W32(0x3000C, FFSM_CFG0);
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IFX_REG_W32(0x3000C, FFSM_CFG1);
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IFX_REG_W32(0xF0D10000, FFSM_IDLE_HEAD_BC0);
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IFX_REG_W32(0xF0D10000, FFSM_IDLE_HEAD_BC1);
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/*
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* 0. Backup port2 value to temp
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* 1. Disable CPU port2 in switch (link and learning)
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* 2. wait for a while
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* 3. Configure DM register and counter
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* 4. restore temp to CPU port2 in switch
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* This code will cause network to stop working if there are heavy
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* traffic during bootup. This part should be moved to switch and use
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* the same code as ATM
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*/
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{
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int i;
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u32 temp;
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temp = IFX_REG_R32(SW_P2_CTL);
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IFX_REG_W32(0x40020000, SW_P2_CTL);
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for (i = 0; i < 200; i++)
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udelay(2000);
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IFX_REG_W32(0x00007028, DM_RXCFG);
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IFX_REG_W32(0x00007028, DS_RXCFG);
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IFX_REG_W32(0x00001100, DM_RXDB);
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IFX_REG_W32(0x00001100, DS_RXDB);
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IFX_REG_W32(0x00001600, DM_RXCB);
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IFX_REG_W32(0x00001600, DS_RXCB);
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/*
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* For dynamic, must reset these counters,
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* For once initialization, don't need to reset these counters
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*/
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IFX_REG_W32(0x0, DM_RXPGCNT);
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IFX_REG_W32(0x0, DS_RXPGCNT);
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IFX_REG_W32(0x0, DM_RXPKTCNT);
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IFX_REG_W32_MASK(0, 0x80000000, DM_RXCFG);
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IFX_REG_W32_MASK(0, 0x8000, DS_RXCFG);
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udelay(2000);
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IFX_REG_W32(temp, SW_P2_CTL);
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udelay(2000);
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}
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}
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static inline void clear_share_buffer(void)
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{
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volatile u32 *p = SB_RAM0_ADDR(0);
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unsigned int i;
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for ( i = 0; i < SB_RAM0_DWLEN + SB_RAM1_DWLEN + SB_RAM2_DWLEN + SB_RAM3_DWLEN + SB_RAM4_DWLEN; i++ )
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IFX_REG_W32(0, p++);
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}
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/*
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* Description:
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* Download PPE firmware binary code.
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* Input:
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* src --- u32 *, binary code buffer
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* dword_len --- unsigned int, binary code length in DWORD (32-bit)
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* Output:
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* int --- 0: Success
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* else: Error Code
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*/
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static inline int pp32_download_code(u32 *code_src, unsigned int code_dword_len, u32 *data_src, unsigned int data_dword_len)
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{
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volatile u32 *dest;
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if ( code_src == 0 || ((unsigned long)code_src & 0x03) != 0
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|| data_src == 0 || ((unsigned long)data_src & 0x03) != 0 )
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return -1;
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if ( code_dword_len <= CDM_CODE_MEMORYn_DWLEN(0) )
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IFX_REG_W32(0x00, CDM_CFG);
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else
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IFX_REG_W32(0x04, CDM_CFG);
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/* copy code */
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dest = CDM_CODE_MEMORY(0, 0);
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while ( code_dword_len-- > 0 )
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IFX_REG_W32(*code_src++, dest++);
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/* copy data */
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dest = CDM_DATA_MEMORY(0, 0);
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while ( data_dword_len-- > 0 )
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IFX_REG_W32(*data_src++, dest++);
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return 0;
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}
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/*
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* ####################################
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* Global Function
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* ####################################
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*/
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void ifx_ptm_get_fw_ver(unsigned int *major, unsigned int *minor)
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{
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ASSERT(major != NULL, "pointer is NULL");
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ASSERT(minor != NULL, "pointer is NULL");
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*major = FW_VER_ID->major;
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*minor = FW_VER_ID->minor;
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}
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void ifx_ptm_init_chip(struct platform_device *pdev)
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{
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init_pmu();
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reset_ppe(pdev);
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init_ema();
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init_mailbox();
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init_atm_tc();
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clear_share_buffer();
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}
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void ifx_ptm_uninit_chip(void)
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{
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uninit_pmu();
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}
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/*
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* Description:
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* Initialize and start up PP32.
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* Input:
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* none
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* Output:
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* int --- 0: Success
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* else: Error Code
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*/
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int ifx_pp32_start(int pp32)
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{
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int ret;
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/* download firmware */
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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));
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if ( ret != 0 )
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return ret;
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/* run PP32 */
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IFX_REG_W32(DBG_CTRL_RESTART, PP32_DBG_CTRL(0));
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/* idle for a while to let PP32 init itself */
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udelay(10);
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return 0;
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}
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/*
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* Description:
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* Halt PP32.
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* Input:
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* none
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* Output:
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* none
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*/
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void ifx_pp32_stop(int pp32)
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{
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/* halt PP32 */
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IFX_REG_W32(DBG_CTRL_STOP, PP32_DBG_CTRL(0));
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}
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int ifx_ptm_proc_read_regs(char *page, char **start, off_t off, int count, int *eof, void *data)
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{
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int len = 0;
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len += sprintf(page + off + len, "EMA:\n");
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len += sprintf(page + off + len, " SB_MST_PRI0 - 0x%08X, SB_MST_PRI1 - 0x%08X\n", IFX_REG_R32(SB_MST_PRI0), IFX_REG_R32(SB_MST_PRI1));
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len += sprintf(page + off + len, " EMA_CMDCFG - 0x%08X, EMA_DATACFG - 0x%08X\n", IFX_REG_R32(EMA_CMDCFG), IFX_REG_R32(EMA_DATACFG));
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len += sprintf(page + off + len, " EMA_IER - 0x%08X, EMA_CFG - 0x%08X\n", IFX_REG_R32(EMA_IER), IFX_REG_R32(EMA_CFG));
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len += sprintf(page + off + len, "Mailbox:\n");
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len += sprintf(page + off + len, " MBOX_IGU1_IER - 0x%08X, MBOX_IGU1_ISR - 0x%08X\n", IFX_REG_R32(MBOX_IGU1_IER), IFX_REG_R32(MBOX_IGU1_ISR));
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len += sprintf(page + off + len, " MBOX_IGU3_IER - 0x%08X, MBOX_IGU3_ISR - 0x%08X\n", IFX_REG_R32(MBOX_IGU3_IER), IFX_REG_R32(MBOX_IGU3_ISR));
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len += sprintf(page + off + len, "TC:\n");
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len += sprintf(page + off + len, " RFBI_CFG - 0x%08X\n", IFX_REG_R32(RFBI_CFG));
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len += sprintf(page + off + len, " SFSM_DBA0 - 0x%08X, SFSM_CBA0 - 0x%08X, SFSM_CFG0 - 0x%08X\n", IFX_REG_R32(SFSM_DBA0), IFX_REG_R32(SFSM_CBA0), IFX_REG_R32(SFSM_CFG0));
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len += sprintf(page + off + len, " SFSM_DBA1 - 0x%08X, SFSM_CBA1 - 0x%08X, SFSM_CFG1 - 0x%08X\n", IFX_REG_R32(SFSM_DBA1), IFX_REG_R32(SFSM_CBA1), IFX_REG_R32(SFSM_CFG1));
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len += sprintf(page + off + len, " FFSM_DBA0 - 0x%08X, FFSM_CFG0 - 0x%08X, IDLE_HEAD - 0x%08X\n", IFX_REG_R32(FFSM_DBA0), IFX_REG_R32(FFSM_CFG0), IFX_REG_R32(FFSM_IDLE_HEAD_BC0));
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len += sprintf(page + off + len, " FFSM_DBA1 - 0x%08X, FFSM_CFG1 - 0x%08X, IDLE_HEAD - 0x%08X\n", IFX_REG_R32(FFSM_DBA1), IFX_REG_R32(FFSM_CFG1), IFX_REG_R32(FFSM_IDLE_HEAD_BC1));
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len += sprintf(page + off + len, "DPlus:\n");
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len += sprintf(page + off + len, " DM_RXDB - 0x%08X, DM_RXCB - 0x%08X, DM_RXCFG - 0x%08X\n", IFX_REG_R32(DM_RXDB), IFX_REG_R32(DM_RXCB), IFX_REG_R32(DM_RXCFG));
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len += sprintf(page + off + len, " DM_RXPGCNT - 0x%08X, DM_RXPKTCNT - 0x%08X\n", IFX_REG_R32(DM_RXPGCNT), IFX_REG_R32(DM_RXPKTCNT));
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len += sprintf(page + off + len, " DS_RXDB - 0x%08X, DS_RXCB - 0x%08X, DS_RXCFG - 0x%08X\n", IFX_REG_R32(DS_RXDB), IFX_REG_R32(DS_RXCB), IFX_REG_R32(DS_RXCFG));
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len += sprintf(page + off + len, " DS_RXPGCNT - 0x%08X\n", IFX_REG_R32(DS_RXPGCNT));
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*eof = 1;
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return len;
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}
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