move sboot to the root directory

[open-ath9k-htc-firmware.git] / sboot / magpie_1_1 / sboot / fwd / fwd.c

diff --git a/sboot/magpie_1_1/sboot/fwd/fwd.c b/sboot/magpie_1_1/sboot/fwd/fwd.c
new file mode 100755 (executable)
index 0000000..3ae99f9
--- /dev/null
+++ b/sboot/magpie_1_1/sboot/fwd/fwd.c
@@ -0,0 +1,167 @@
+/*
+ * Copyright (c) 2013 Qualcomm Atheros, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted (subject to the limitations in the
+ * disclaimer below) provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the
+ *    distribution.
+ *
+ *  * Neither the name of Qualcomm Atheros nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
+ * GRANTED BY THIS LICENSE.  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
+ * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <OTUS/OTUS_soc.h>
+#include <cmnos_api.h>
+#include <hif_api.h>
+#include <Magpie_api.h>
+#include <dma_lib.h>
+#include <hif_pci.h>
+#include <vbuf_api.h>
+
+#include "fwd.h"
+
+fwd_tgt_softc_t fwd_sc;
+
+void    fwd_tgt_recv(VBUF *hdr_buf, VBUF *buf, void *ctx );
+void    fwd_retbuf_handler(VBUF *buf, void *ServiceCtx);
+
+hif_handle_t fwd_init() 
+ {
+    HIF_CALLBACK    hifconfig;
+    A_UINT32      size, res_headroom;
+    
+    hifconfig.send_buf_done = fwd_retbuf_handler;
+    hifconfig.recv_buf      = fwd_tgt_recv;
+    hifconfig.context       = &fwd_sc;
+    
+    res_headroom = HIF_get_reserved_headroom(NULL);
+    
+    size = sizeof(fwd_rsp_t) + res_headroom;
+
+    HIF_register_callback(NULL, &hifconfig);
+    
+    HIF_get_default_pipe(NULL, &fwd_sc.rx_pipe, &fwd_sc.tx_pipe);
+    
+    return NULL;
+ }
+ 
+void
+fwd_retbuf_handler(VBUF *buf, void *ServiceCtx)
+{
+ HIF_return_recv_buf(fwd_sc.hif_handle, fwd_sc.rx_pipe, buf);
+}
+
+a_status_t
+fwd_tgt_process_last(A_UINT32 size, A_UINT32 cksum)
+{
+    int i, checksum   = 0;
+    A_UINT32   *image = (A_UINT32 *)fwd_sc.addr;
+    
+    for (i = 0 ; i < size; i += 4, image++) 
+        checksum  =   checksum ^ *image;
+        
+    if (checksum == cksum)
+        return A_STATUS_OK;
+    else
+        return A_STATUS_FAILED;
+}        
+        
+   
+
+void 
+fwd_tgt_recv(VBUF *hdr_buf, VBUF *buf, void *ctx )
+{
+    volatile a_uint8_t *data;
+    A_UINT32 len, seglen, offset, i, more, eloc;
+    volatile A_UINT32 *image, *daddr;
+    volatile fwd_cmd_t *c;  
+    volatile fwd_rsp_t *r;
+    jmp_func funcptr;
+    a_status_t  status;
+    VDESC *desc = NULL;
+
+    data = buf->desc_list->buf_addr + buf->desc_list->data_offset;
+    seglen  = buf->desc_list->data_size;
+
+    c      =  (fwd_cmd_t *)data;
+    len    =  c->len;
+    offset =  c->offset;
+    more   =  c->more_data;
+    image  =  (A_UINT32 *)(c + 1);
+
+    if (offset == 0) {
+        fwd_sc.addr  = (A_UINT32)(*image);
+        image ++;
+    }
+
+    daddr = (A_UINT32 *)(fwd_sc.addr + offset);
+
+    if (!more) {
+        len -= 4;
+       }
+ 
+    for (i = 0 ; i < len; i += 4) {
+        *daddr       =   *image; 
+        image ++;
+        daddr ++;
+    }
+    
+    desc = buf->desc_list; 
+     while(desc->next_desc != NULL)
+        desc = desc->next_desc;
+    desc->data_size -= seglen;
+    buf->buf_length -= seglen;
+
+    r = (fwd_rsp_t *)(desc->buf_addr + desc->data_offset + desc->data_size);
+    desc->data_size += sizeof(fwd_rsp_t); 
+    buf->buf_length += sizeof(fwd_rsp_t); 
+
+    r->offset = c->offset;
+
+    if (more) {
+        r->rsp = FWD_RSP_ACK;
+        goto done;
+    }
+    
+    status = fwd_tgt_process_last(offset + len,  *image);
+ 
+    /* reach to the jump location */
+    image++;
+    eloc   =  *image;
+        
+    if (status == A_STATUS_OK)
+        r->rsp = FWD_RSP_SUCCESS;
+    else
+        r->rsp = FWD_RSP_FAILED;
+    
+     
+done:       
+    HIF_send_buffer(fwd_sc.hif_handle, fwd_sc.tx_pipe, buf);
+
+    if (!more && (status == A_STATUS_OK)) {
+        funcptr = (jmp_func)eloc;
+        funcptr();
+    }
+}