[ltq-dsl]

* add support for ar9
* add support for ase

(vr9 support is still a todo)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28406 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 303 insertions, 0 deletions

diff --git a/package/ltq-dsl/src/ifxmips_atm_vr9.c b/package/ltq-dsl/src/ifxmips_atm_vr9.c
new file mode 100644
index 0000000000..ea84c4c83f
--- /dev/null
+++ b/package/ltq-dsl/src/ifxmips_atm_vr9.c
@@ -0,0 +1,303 @@
+/******************************************************************************
+**
+** 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);
+}