diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mvme5500/startup/bspstart.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mvme5500/startup/bspstart.c | 117 |
1 files changed, 54 insertions, 63 deletions
diff --git a/c/src/lib/libbsp/powerpc/mvme5500/startup/bspstart.c b/c/src/lib/libbsp/powerpc/mvme5500/startup/bspstart.c index c9d8375359..8008a49f66 100644 --- a/c/src/lib/libbsp/powerpc/mvme5500/startup/bspstart.c +++ b/c/src/lib/libbsp/powerpc/mvme5500/startup/bspstart.c @@ -17,10 +17,9 @@ * Modified to support the Synergy VGM & Motorola PowerPC boards * (C) by Till Straumann, <strauman@slac.stanford.edu>, 2002, 2004, 2005 * - * Modified to support the MVME5500 board. - * Also, the settings of L1, L2, and L3 caches is not necessary here. - * (C) by Brookhaven National Lab., S. Kate Feng <feng1@bnl.gov>, 2003, 2004, 2005 - * + * Modified to support the mvme5500 BSP + * (C) S. Kate Feng,Brookhaven National Lab <feng1@bnl.gov>, 2003, 2004, 2005, 2008 + * * $Id$ */ @@ -42,6 +41,7 @@ #include <libcpu/cpuIdent.h> #include <bsp/vectors.h> #include <bsp/bspException.h> +#include <bsp/VPD.h> #include <rtems/bspIo.h> #include <rtems/sptables.h> @@ -50,8 +50,7 @@ #undef __RTEMS_APPLICATION__ #endif -/* -#define SHOW_MORE_INIT_SETTINGS +/*efine SHOW_MORE_INIT_SETTINGS #define SHOW_LCR1_REGISTER #define SHOW_LCR2_REGISTER #define SHOW_LCR3_REGISTER @@ -74,6 +73,7 @@ extern void BSP_vme_config(void); SPR_RW(SPRG0) SPR_RW(SPRG1) +extern uint32_t probeMemoryEnd(); typedef struct CmdLineRec_ { unsigned long size; @@ -96,6 +96,10 @@ typedef struct CmdLineRec_ { #define MAX_LOADER_ADD_PARM 80 char loaderParam[MAX_LOADER_ADD_PARM]; +BSP_BoardTypes BSP_boardType=0; + +DiscoveryChipVersion BSP_controller_version; + /* * Total memory using RESIDUAL DATA */ @@ -222,6 +226,11 @@ int i=cmdline_end-cmdline_start; cmdline_buf[i]=0; } +BSP_BoardTypes BSP_getBoardType() +{ + return BSP_boardType; +} + /* * bsp_start * @@ -233,6 +242,7 @@ void bsp_start( void ) #ifdef CONF_VPD int i; #endif + int x; unsigned char *stack; unsigned long *r1sp; #ifdef SHOW_LCR1_REGISTER @@ -250,6 +260,8 @@ void bsp_start( void ) ppc_cpu_id_t myCpu; ppc_cpu_revision_t myCpuRevision; Triv121PgTbl pt=0; + ConfVpdRec_t *pVPD = (ConfVpdRec_t *) &ConfVPD_buff[0]; + /* Till Straumann: 4/2005 * Need to map the system registers early, so we can printk... @@ -260,12 +272,11 @@ void bsp_start( void ) */ setdbat(2, PCI0_MEM_BASE, PCI0_MEM_BASE, 0x10000000, IO_PAGE); - /* Till Straumann: 2004 - * map the PCI 0, 1 Domain I/O space, GT64260B registers - * and the reserved area so that the size is the power of 2. + /* map the PCI 0, 1 Domain I/O space, GT64260B registers, + * Flash Bank 0 and Flash Bank 2. * */ - setdbat(3,PCI0_IO_BASE, PCI0_IO_BASE, 0x2000000, IO_PAGE); + setdbat(3,PCI0_IO_BASE, PCI0_IO_BASE, 0x10000000, IO_PAGE); /* @@ -322,39 +333,33 @@ void bsp_start( void ) */ Cpu_table.exceptions_in_RAM = TRUE; initialize_exceptions(); + + /* <SKF> pci_initialize() before BSP_rtems_irq_mng_init to identify the version of the + * Discovery chip. + */ +#ifdef SHOW_MORE_INIT_SETTINGS + printk("Going to start PCI buses scanning and initialization\n"); +#endif + pci_initialize(); +#ifdef SHOW_MORE_INIT_SETTINGS + printk("Number of PCI buses found is : %d\n", pci_bus_count()); +#endif + + /* + * Initalize RTEMS IRQ system + */ + BSP_rtems_irq_mng_init(0); + /* * Init MMU block address translation to enable hardware * access * More PCI1 memory mapping to be done after BSP_pgtbl_activate. */ printk("-----------------------------------------\n"); - printk("Welcome to %s on MVME5500-0163\n", _RTEMS_version ); + printk("Welcome to %s on MVME5500\n", _RTEMS_version ); printk("-----------------------------------------\n"); -#ifdef TEST_RETURN_TO_PPCBUG - printk("Hit <Enter> to return to PPCBUG monitor\n"); - printk("When Finished hit GO. It should print <Back from monitor>\n"); - debug_getc(); - _return_to_ppcbug(); - printk("Back from monitor\n"); - _return_to_ppcbug(); -#endif /* TEST_RETURN_TO_PPCBUG */ - -#ifdef TEST_RAW_EXCEPTION_CODE - printk("Testing exception handling Part 1\n"); - /* - * Cause a software exception - */ - __asm__ __volatile ("sc"); - /* - * Check we can still catch exceptions and returned coorectly. - */ - printk("Testing exception handling Part 2\n"); - __asm__ __volatile ("sc"); -#endif - - BSP_mem_size = _512M; - /* TODO: calculate the BSP_bus_frequency using the REF_CLK bit of System Status register */ + BSP_mem_size = probeMemoryEnd(); /* rtems_bsp_delay_in_bus_cycles are defined in registers.h */ BSP_bus_frequency = 133333333; BSP_processor_frequency = 1000000000; @@ -401,11 +406,6 @@ void bsp_start( void ) BSP_Configuration.work_space_start = work_space_start; - /* - * Initalize RTEMS IRQ system - */ - BSP_rtems_irq_mng_init(0); - #ifdef SHOW_LCR2_REGISTER l2cr = get_L2CR(); printk("Initial L2CR value = %x\n", l2cr); @@ -429,45 +429,36 @@ void bsp_start( void ) BSP_pgtbl_activate(pt); } + if ( I2Cread_eeprom(0xa8, 0,2, (void *) pVPD, sizeof(ConfVpdRec_t))) + printk("I2Cread_eeprom() error \n"); + else { +#ifdef CONF_VPD + printk("\n"); + for (i=0; i<150; i++) { + printk("%2x ", ConfVPD_buff[i]); + if ((i % 20)==0 ) printk("\n"); + } +#endif + } + /* * PCI 1 domain memory space */ setdbat(1, PCI1_MEM_BASE, PCI1_MEM_BASE, 0x10000000, IO_PAGE); - -#ifdef SHOW_MORE_INIT_SETTINGS - printk("Going to start PCI buses scanning and initialization\n"); -#endif - pci_initialize(); -#ifdef SHOW_MORE_INIT_SETTINGS - printk("Number of PCI buses found is : %d\n", pci_bus_count()); -#endif - /* Install our own exception handler (needs PCI) */ globalExceptHdl = BSP_exceptionHandler; + +#if 1 /* clear hostbridge errors. MCP signal is not used on the MVME5500 * PCI config space scanning code will trip otherwise :-( */ _BSP_clear_hostbridge_errors(0, 1 /*quiet*/); - - /* Read Configuration Vital Product Data (VPD) */ - if ( I2Cread_eeprom(0xa8, 4,2, &ConfVPD_buff[0], 150)) - printk("I2Cread_eeprom() error \n"); - else { -#ifdef CONF_VPD - printk("\n"); - for (i=0; i<150; i++) { - printk("%2x ", ConfVPD_buff[i]); - if ((i % 20)==0 ) printk("\n"); - } - printk("\n"); #endif - } #ifdef SHOW_MORE_INIT_SETTINGS printk("MSR %x \n", _read_MSR()); printk("Exit from bspstart\n"); #endif - } |