]> Gitweb @ Texas Instruments - Open Source Git Repositories - git.TI.com/gitweb - keystone-rtos/ibl.git/blobdiff - src/main/iblmain.c
changes to make ibl init endian neutral
[keystone-rtos/ibl.git] / src / main / iblmain.c
index 8507b5f2e4297c93040ce0c2770f6c5ce156f089..3bcac31e9f124cebcf0983467529e146f858db7b 100644 (file)
@@ -1,3 +1,40 @@
+/*
+ *
+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ 
+ * 
+ * 
+ *  Redistribution and use in source and binary forms, with or without 
+ *  modification, are permitted 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 Texas Instruments Incorporated nor the names of
+ *    its contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ *  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.
+ *
+*/
+
+
+
 /*****************************************************************************************
  * FILE PURPOSE: Perform the top level boot
  *****************************************************************************************
 #include "iblcfg.h"
 #include "device.h"
 #include "ethboot.h"
+#include "nandboot.h"
+#include "norboot.h"
 #include "bis.h"
 #include "coffwrap.h"
 #include "iblbtbl.h"
 #include "iblblob.h"
 #include "timer.h"
 #include "i2c.h"
+#include "spi_api.h"
 #include "ibl_elf.h"
 #include <string.h>
 
-
 /**
- * @brief The ibl table is declared.
- *
- * @details
- *   The ibl table is declared uninitialized by this ibl program. An external
- *   initialization can be performed if the default operation of the ibl is
- *   not desired.
+ *  @brief
+ *      Data structures shared between the 1st and 2nd stage IBL load
+ *      are declared in a single header file, included in both stages
  */
-#pragma DATA_SECTION(ibl, ".ibl_config_table")
-ibl_t ibl;
+#include "iblStage.h"
 
 
-/**
- * @brief The ibl status table is declared.
- *  
- * @details
- *   The ibl status table is declared. It is initialized at run time
- *   in function main.
- */
-#pragma DATA_SECTION(iblStatus, ".ibl_status_table")
-iblStatus_t iblStatus;
-
 
 /* Eat printfs */
 void mprintf(char *x, ...) { }
@@ -89,6 +114,108 @@ BOOL iblMacAddrIsZero (uint8 *maddr)
 
 }
 
+/**
+ *  @b Description
+ *  @n
+ *  
+ *  For NAND and NOR boots, configure the specified peripheral or memory interface
+ */
+void iblPmemCfg (int32 interface, int32 port, bool enableNand)
+{
+    int32 ret;
+
+    switch (interface)  {
+
+        #if (!defined(EXCLUDE_NAND_GPIO))
+
+        case ibl_PMEM_IF_GPIO:
+                ret = devicePowerPeriph (TARGET_PWR_GPIO);
+                break;
+        #endif
+
+        #if (!defined(EXCLUDE_NOR_SPI) && !defined(EXCLUDE_NAND_SPI))
+
+            case ibl_PMEM_IF_SPI:  {
+
+                    Uint32      v;
+                    spiConfig_t cfg;
+
+                    ret = devicePowerPeriph (TARGET_PWR_SPI);
+                    if (ret != 0)
+                        break;
+
+                    cfg.port      = port;
+                    cfg.mode      = ibl.spiConfig.mode;
+                    cfg.addrWidth = ibl.spiConfig.addrWidth;
+                    cfg.npin      = ibl.spiConfig.nPins;
+                    cfg.csel      = ibl.spiConfig.csel;
+                    cfg.c2tdelay  = ibl.spiConfig.c2tdelay;
+
+                    /* On c661x devices the PLL module has a built in divide by 6, and the SPI
+                     * has a maximum clock divider value of 0xff */
+                    v = ibl.pllConfig[ibl_MAIN_PLL].pllOutFreqMhz / (DEVICE_SPI_MOD_DIVIDER * ibl.spiConfig.busFreqMHz);
+                    if (v > 0xff)
+                        v = 0xff;
+
+                    cfg.clkdiv =  (UINT16) v;
+
+                    ret = hwSpiConfig (&cfg);
+                    if (ret != 0)  {
+                        iblStatus.iblFail = ibl_FAIL_CODE_SPI_PARAMS;
+                        return;
+                    }
+
+                }
+                break;
+        #endif
+
+        #if (!defined(EXCLUDE_NOR_EMIF) || !defined(EXCLUDE_NAND_EMIF))
+
+            case ibl_PMEM_IF_CHIPSEL_2:
+            case ibl_PMEM_IF_CHIPSEL_3:
+            case ibl_PMEM_IF_CHIPSEL_4:
+            case ibl_PMEM_IF_CHIPSEL_5:  {
+
+                    int i;
+
+                    /* Locate the configuration corresponding to this chip select space */
+                    for (i = 0; i < ibl_MAX_EMIF_PMEM; i++) 
+                        if (ibl.emifConfig[i].csSpace == interface)
+                            break;
+                        
+                    if (i == ibl_MAX_EMIF_PMEM)  {
+                        iblStatus.iblFail = ibl_FAIL_CODE_NO_EMIF_CFG;
+                        return;
+                    }
+
+                    ret = devicePowerPeriph (TARGET_PWR_EMIF);
+                    if (ret != 0)
+                        break;
+
+                    if (hwEmif25Init (interface, ibl.emifConfig[i].busWidth, ibl.emifConfig[i].waitEnable, enableNand) != 0)
+                        iblStatus.iblFail = ibl_FAIL_CODE_EMIF_CFG_FAIL;
+
+                }
+                break;
+
+            #endif
+
+            default:
+
+
+
+                iblStatus.iblFail = ibl_FAIL_CODE_INVALID_NAND_PERIPH;
+                return;
+    }
+
+    if (ret != 0)  {
+        iblStatus.iblFail = ibl_FAIL_CODE_PERIPH_POWER_UP;
+        return;
+    }
+
+}
+
+
 
 /**
  * @b Description
@@ -106,8 +233,9 @@ void main (void)
     int32 i, j;
 
     /* Initialize the status structure */
-    memset (&iblStatus, 0, sizeof(iblStatus_t));
-    iblStatus.iblMagic = ibl_MAGIC_VALUE;
+    iblMemset (&iblStatus, 0, sizeof(iblStatus_t));
+    iblStatus.iblMagic   = ibl_MAGIC_VALUE;
+    iblStatus.iblVersion = ibl_VERSION;
 
 
     /* Power up the timer */
@@ -116,65 +244,65 @@ void main (void)
     /* Initialize the system timer (software tracking of the hardware timer state) */
     timer_init ();
 
-
-
-    /* Load the default configuration table from the i2c. The actual speed of the device
-     * isn't really known here, since it is part of the table, so a compile time
-     * value is used (the pll may have been configured during the initial load) */
-    hwI2Cinit (IBL_I2C_DEV_FREQ_MHZ,        /* The CPU frequency during I2C data load */
-               DEVICE_I2C_MODULE_DIVISOR,   /* The divide down of CPU that drives the i2c */
-               IBL_I2C_CLK_FREQ_KHZ,        /* The I2C data rate used during table load */
-               IBL_I2C_OWN_ADDR);           /* The address used by this device on the i2c bus */
-
-    if (hwI2cMasterRead (IBL_I2C_CFG_TABLE_DATA_ADDR,    /* The address on the eeprom of the table */
-                         sizeof(ibl_t),                  /* The number of bytes to read */
-                         (UINT8 *)&ibl,                  /* Where to store the bytes */
-                         IBL_I2C_CFG_EEPROM_BUS_ADDR,    /* The bus address of the eeprom */
-                         IBL_I2C_CFG_ADDR_DELAY)         /* The delay between sending the address and reading data */
-
-         != I2C_RET_OK)  {
-
-       /* There is no recovery if the load of the configuration table failed */
-       iblStatus.tableLoadFail = 0x11111111;
-       for (;;);
-
-    }
-
-
     /* Load default mac addresses for ethernet boot if requested */
-    for (i = 0; i < ibl_N_ETH_PORTS; i++)  {
+    for (i = 0; i < ibl_N_BOOT_MODES; i++)  {
 
-        if ( (iblPriorityIsValid (ibl.ethConfig[i].ethPriority)       )   &&
-             (iblMacAddrIsZero   (ibl.ethConfig[i].ethInfo.hwAddress) )   )
+        if (ibl.bootModes[i].bootMode == ibl_BOOT_MODE_TFTP)  {
 
-            deviceLoadDefaultEthAddress (ibl.ethConfig[i].ethInfo.hwAddress);
+            if (iblMacAddrIsZero (ibl.bootModes[i].u.ethBoot.ethInfo.hwAddress))
 
+                deviceLoadDefaultEthAddress (ibl.bootModes[i].u.ethBoot.ethInfo.hwAddress);
+        }
     }
 
 
-    /* Pll configuration is device specific */
-    devicePllConfig ();
-
     /* DDR configuration is device specific */
     deviceDdrConfig ();
 
     /* Try booting forever */
     for (;;)  {
 
-        /* Start looping through the boot modes to find the one with the lowest priority
-         * value, and try to boot it. If a boot mode is not supported the function
-         * statement is simply defined to be a void statement */
+        /* Start looping through the boot modes to find the one with the highest priority
+         * value, and try to boot it. */
         for (i = ibl_HIGHEST_PRIORITY; i < ibl_LOWEST_PRIORITY; i++)  {
 
-            for (j = 0; j < ibl_N_ETH_PORTS; j++)  {
-                if (ibl.ethConfig[j].ethPriority == i)
-                iblEthBoot (j);
-            }
+            for (j = 0; j < ibl_N_BOOT_MODES; j++)  {
+
+                if (ibl.bootModes[j].priority == i)  {
+
+                    iblStatus.activeBoot = ibl.bootModes[j].bootMode;
+
+                    switch (ibl.bootModes[j].bootMode)  {
+
+
+                        #ifndef EXCLUDE_ETH
+                            case ibl_BOOT_MODE_TFTP:
+                                    iblStatus.activeDevice = ibl_ACTIVE_DEVICE_ETH;
+                                    iblMemcpy (&iblStatus.ethParams, &ibl.bootModes[j].u.ethBoot.ethInfo, sizeof(iblEthBootInfo_t));
+                                    iblEthBoot (j);
+                                    break;
+                        #endif
+
+                        #if ((!defined(EXCLUDE_NAND_EMIF)) )                                    
+                            case ibl_BOOT_MODE_NAND:
+                                    iblPmemCfg (ibl.bootModes[j].u.nandBoot.interface, ibl.bootModes[j].port, TRUE);
+                                    iblNandBoot (j);
+                                    break;
+                        #endif
 
-            if (ibl.nandConfig.nandPriority == i)
-                iblNandBoot ();
+                        #if (!defined(EXCLUDE_NOR_EMIF) && !defined(EXCLUDE_NOR_SPI))
+                            case ibl_BOOT_MODE_NOR:
+                                    iblPmemCfg (ibl.bootModes[j].u.norBoot.interface, ibl.bootModes[j].port, TRUE);
+                                    iblNorBoot (j);
+                                    break;
+                        #endif
+
+                    }
+                }
 
             iblStatus.heartBeat += 1;
+
+            }
         }
 
     }
@@ -198,61 +326,74 @@ void main (void)
  */
 Uint32 iblBoot (BOOT_MODULE_FXN_TABLE *bootFxn, Int32 dataFormat, void *formatParams)
 { 
-    Uint32 entry = 0;
-
-    union  {
-
-        Uint8   dataBuf[4];   /* Place holder */
-        Uint32  bisValue;
-        Uint16  coffVer;    
-
-    } fid;
-
+    Uint32  entry = 0;
+    Uint32  value32;
+    Uint8   dataBuf[4];   
+    Uint16  value16;
 
     /* Determine the data format if required */
     if (dataFormat == ibl_BOOT_FORMAT_AUTO)  {
 
-        (*bootFxn->peek)((Uint8 *)&fid, sizeof(fid));
+        (*bootFxn->peek)(dataBuf, sizeof(dataBuf));
+        value32 = (dataBuf[0] << 24) | (dataBuf[1] << 16) | (dataBuf[2] << 8) | (dataBuf[3] << 0);
+        value16 = (dataBuf[0] <<  8) | (dataBuf[1] <<  0);
 
         /* BIS */
-        if (fid.bisValue == BIS_MAGIC_NUMBER)
+#ifndef EXCLUDE_BIS
+        if (value32 == BIS_MAGIC_NUMBER)
             dataFormat = ibl_BOOT_FORMAT_BIS;
+#endif
 
-        if (iblIsCoff (fid.coffVer))
+#ifndef EXCLUDE_COFF
+        if (iblIsCoff (value16))
             dataFormat = ibl_BOOT_FORMAT_COFF;
+#endif
 
-        if (iblIsElf (fid.dataBuf))
+#ifndef EXCLUDE_ELF
+        if (iblIsElf (dataBuf))
             dataFormat = ibl_BOOT_FORMAT_ELF;
+#endif
 
-        else  {
+        if (dataFormat == ibl_BOOT_FORMAT_AUTO)  {
             iblStatus.autoDetectFailCnt += 1;
             return (0);
         }
     }        
 
 
+    iblStatus.activeFileFormat = dataFormat;
+
+
     /* Invoke the parser */
     switch (dataFormat)  {
 
+#ifndef EXCLUDE_BIS
         case ibl_BOOT_FORMAT_BIS:
             iblBootBis (bootFxn, &entry);
             break;
+#endif
 
+#ifndef EXCLUDE_COFF
         case ibl_BOOT_FORMAT_COFF:
             iblBootCoff (bootFxn, &entry);
             break;
+#endif
 
         case ibl_BOOT_FORMAT_BTBL:
             iblBootBtbl (bootFxn, &entry);
             break;
 
+#ifndef EXCLUDE_BLOB
         case ibl_BOOT_FORMAT_BBLOB:
             iblBootBlob (bootFxn, &entry, formatParams);
             break;
+#endif
 
+#ifndef EXCLUDE_ELF
         case ibl_BOOT_FORMAT_ELF:
             iblBootElf (bootFxn, &entry);
             break;
+#endif
 
         default:
             iblStatus.invalidDataFormatSpec += 1;