[ifxmips] adds dsl support, thank you infineon/lantiq

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18259 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 272 insertions, 0 deletions

diff --git a/package/ifxmips-dsl-api/src/ifxmips_atm_danube.c b/package/ifxmips-dsl-api/src/ifxmips_atm_danube.c
new file mode 100644
index 0000000000..5768678bfe
--- /dev/null
+++ b/package/ifxmips-dsl-api/src/ifxmips_atm_danube.c
@@ -0,0 +1,272 @@
+/******************************************************************************
+**
+** FILE NAME    : ifxmips_atm_danube.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 <asm/ifx/ifx_types.h>
+#include <asm/ifx/ifx_regs.h>
+#include <asm/ifx/common_routines.h>
+#include <asm/ifx/ifx_pmu.h>
+#include "ifxmips_atm_core.h"
+#include "ifxmips_atm_fw_danube.h"
+
+
+
+/*
+ * ####################################
+ *              Definition
+ * ####################################
+ */
+
+/*
+ *  EMA Settings
+ */
+#define EMA_CMD_BUF_LEN      0x0040
+#define EMA_CMD_BASE_ADDR    (0x00001580 << 2)
+#define EMA_DATA_BUF_LEN     0x0100
+#define EMA_DATA_BASE_ADDR   (0x00001900 << 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 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);
+}
+
+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 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)
+{
+    //  for ReTX expansion in future
+    //*FFSM_CFG0 = SET_BITS(*FFSM_CFG0, 5, 0, 6); //  pnum = 6
+    //*FFSM_CFG1 = SET_BITS(*FFSM_CFG1, 5, 0, 6); //  pnum = 6
+}
+
+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; 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(0x02, 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");
+
+    *major = ATM_FW_VER_MAJOR;
+    *minor = ATM_FW_VER_MINOR;
+}
+
+void ifx_atm_init_chip(void)
+{
+    init_pmu();
+
+    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_START_SET(1), PP32_DBG_CTRL);
+
+    /*  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_SET(1), PP32_DBG_CTRL);
+}