1/* ********************************************************************* 2 * Broadcom Common Firmware Environment (CFE) 3 * 4 * SB1250 PCI Device-mode downloader File: cfe_device_ldr.c 5 * 6 * This invokes the CFE loader to retrieve an elf binary from the 7 * PCI host using the host0 device. 8 * 9 ********************************************************************* 10 * 11 * Copyright 2000,2001,2002,2003 12 * Broadcom Corporation. All rights reserved. 13 * 14 * This software is furnished under license and may be used and 15 * copied only in accordance with the following terms and 16 * conditions. Subject to these conditions, you may download, 17 * copy, install, use, modify and distribute modified or unmodified 18 * copies of this software in source and/or binary form. No title 19 * or ownership is transferred hereby. 20 * 21 * 1) Any source code used, modified or distributed must reproduce 22 * and retain this copyright notice and list of conditions 23 * as they appear in the source file. 24 * 25 * 2) No right is granted to use any trade name, trademark, or 26 * logo of Broadcom Corporation. The "Broadcom Corporation" 27 * name may not be used to endorse or promote products derived 28 * from this software without the prior written permission of 29 * Broadcom Corporation. 30 * 31 * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR 32 * IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED 33 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 34 * PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT 35 * SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN 36 * PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT, 37 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 38 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 39 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 40 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 41 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 42 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF 43 * THE POSSIBILITY OF SUCH DAMAGE. 44 ********************************************************************* */ 45 46 47#include "sbmips.h" 48#include "lib_types.h" 49#include "lib_printf.h" 50 51#include "cfe_loader.h" 52#include "cfe_timer.h" 53#include "sb1250_defs.h" 54#include "sb1250_regs.h" 55#define K1_PTR64(pa) ((uint64_t *)(PHYS_TO_K1(pa))) 56 57extern cfe_loadargs_t cfe_loadargs; 58 59#define MBOX_ARG_WORD 0 60#define MBOX_CMD_WORD 1 61 62int cfe_device_download(int boot, char *options); 63int 64cfe_device_download(int boot, char *options) 65{ 66 cfe_loadargs_t *la = &cfe_loadargs; 67 int res; 68 uint64_t *mbox_p = K1_PTR64 (A_IMR_REG(NULL, ISTER(0, R_IMR_MAILBOX_CPU)); 69 uint64_t *mbox_clr = K1_PTR64 (A_IMR_REG(NULL, ISTER(0, R_IMR_MAILBOX_CLR_CPU)); 70 uint64_t *mbox_set = K1_PTR64 (A_IMR_REG(NULL, ISTER(0, R_IMR_MAILBOX_SET_CPU)); 71 uint32_t *cmd_p = ((uint32_t *)mbox_p) + MBOX_CMD_WORD; 72 73 xprintf("Loader:elf Filesys:raw Dev:host0"); 74 75 /* Wait for the host to supply any host-selected options. There 76 is no timeout here because we don't know the host's timing and, 77 on a real device card, probably wouldn't have anything to do 78 until downloaded. */ 79 80 while ((*cmd_p & 0x3) == 0) { 81 POLL(); 82 } 83 84 /* Fill out the loadargs */ 85 86 la->la_flags = LOADFLG_NOISY; 87 88 la->la_device = "host0"; 89 la->la_filesys = "raw"; 90 la->la_filename = NULL; 91 92 if ((*cmd_p & 0x2) != 0) la->la_flags |= LOADFLG_COMPRESSED; 93 la->la_options = options; 94 95 xprintf(" Options:%s\n", la->la_options); 96 97 res = cfe_boot("elf", la); 98 99 /* First supply the result code */ 100 *((uint32_t *)mbox_clr + MBOX_ARG_WORD) = 0xffffffff; 101 *((uint32_t *)mbox_set + MBOX_ARG_WORD) = (uint32_t)res; 102 103 /* Then the ack (0x0) */ 104 *((uint32_t *)mbox_clr + MBOX_CMD_WORD) = 0xffffff; 105 106 if (res < 0) { 107 xprintf("Could not download from %s:\n", la->la_device); 108 return res; 109 } 110 111 if (boot && la->la_entrypt != 0) { 112 cfe_go(la); 113 /* We won't actually return to here */ 114 } 115 116 return res; 117} 118