--- /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);
+}
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