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Diffstat (limited to 'package/system/ltq-dsl/src/ifxmips_atm_ar9.c')
| -rw-r--r-- | package/system/ltq-dsl/src/ifxmips_atm_ar9.c | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/package/system/ltq-dsl/src/ifxmips_atm_ar9.c b/package/system/ltq-dsl/src/ifxmips_atm_ar9.c new file mode 100644 index 0000000000..31b89f5c84 --- /dev/null +++ b/package/system/ltq-dsl/src/ifxmips_atm_ar9.c @@ -0,0 +1,295 @@ +/****************************************************************************** +** +** 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)); +} |