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Diffstat (limited to 'bsps/powerpc/beatnik/include/bsp.h')
| -rw-r--r-- | bsps/powerpc/beatnik/include/bsp.h | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/bsps/powerpc/beatnik/include/bsp.h b/bsps/powerpc/beatnik/include/bsp.h new file mode 100644 index 0000000000..e980f1a056 --- /dev/null +++ b/bsps/powerpc/beatnik/include/bsp.h @@ -0,0 +1,297 @@ +/* + * bsp.h -- contain BSP API definition. + */ + +/* + * Copyright (C) 1999 Eric Valette. valette@crf.canon.fr + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + * + * S. Kate Feng 2003-2007 : Modified it to support the mvme5500 BSP. + * + * Modified for the 'beatnik' BSP by T. Straumann, 2005-2007. + */ + +#ifndef LIBBSP_BEATNIK_BSP_H +#define LIBBSP_BEATNIK_BSP_H + +#ifndef ASM + +#include <bspopts.h> +#include <bsp/default-initial-extension.h> + +#include <rtems.h> +#include <libcpu/io.h> +#include <bsp/vectors.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* Board type */ +typedef enum { + Unknown = 0, + MVME5500, + MVME6100 +} BSP_BoardType; + +BSP_BoardType BSP_getBoardType(void); + +/* Discovery Version */ + +typedef enum { + unknown = 0, + GT_64260_A, /* Revision 0x10 */ + GT_64260_B, /* Revision 0x20 */ + MV_64360, +} DiscoveryVersion; + +/* Determine the type of discovery chip on this board; info + * is cached and repeated calls just return the cached value. + * + * If a non-zero argument is passed, the routine panics + * (rtems_panic) if no recognized bridge is found; + */ +DiscoveryVersion BSP_getDiscoveryVersion(int assertion); + +/* + * confdefs.h overrides for this BSP: + * - Interrupt stack space is not minimum if defined. + */ +#define BSP_INTERRUPT_STACK_SIZE (16 * 1024) + +/* + * base address definitions for several devices + */ +#define BSP_MV64x60_BASE (0xf1000000) +#define BSP_MV64x60_DEV1_BASE (0xf1100000) +#define BSP_UART_IOBASE_COM1 ((BSP_MV64x60_DEV1_BASE)+0x20000) +#define BSP_UART_IOBASE_COM2 ((BSP_MV64x60_DEV1_BASE)+0x21000) +#define BSP_UART_USE_SHARED_IRQS + +#define BSP_NVRAM_BASE_ADDR (0xf1110000) +#define BSP_NVRAM_END_ADDR (0xf1117fff) +#define BSP_NVRAM_RTC_START (0xf1117ff8) + +#define BSP_NVRAM_BOOTPARMS_START (0xf1111000) +#define BSP_NVRAM_BOOTPARMS_END (0xf1111fff) + + +/* This is only active/used during early init. It defines + * the hose0 base for the shared/generic pci code. + * Our own BSP specific pci initialization will then + * override the PCI configuration (see gt_pci_init.c:BSP_pci_initialize) + */ + +#define PCI_CONFIG_ADDR (BSP_MV64x60_BASE + 0xcf8) +#define PCI_CONFIG_DATA (BSP_MV64x60_BASE + 0xcfc) + +/* our wonderful PCI initialization remaps everything to CPU addresses + * - before calling BSP_pci_initialize() this is NOT VALID, however + * and the deprecated inl()/outl() etc won't work! + */ +#define _IO_BASE 0x00000000 +/* wonderful MotLoad has the base address as seen from the + * CPU programmed into config space :-) + */ +#define PCI_MEM_BASE 0 +#define PCI_MEM_BASE_ADJUSTMENT 0 +#define PCI_DRAM_OFFSET 0 + +extern void BSP_motload_pci_fixup(void); + +/* PCI <-> local address mapping - no sophisticated windows + * (i.e., no support for cached regions etc. you read a BAR + * from config space and that's 1:1 where the CPU sees it). + * Our memory is mapped 1:1 to PCI also. + */ +#define BSP_PCI2LOCAL_ADDR(a) ((uint32_t)(a)) +#define BSP_LOCAL2PCI_ADDR(a) ((uint32_t)(a)) + +#define BSP_CONFIG_NUM_PCI_CACHE_SLOTS 32 + +#define BSP_CONSOLE_PORT BSP_UART_COM1 +#define BSP_UART_BAUD_BASE 115200 + +/* I2C Devices */ +/* Note that the i2c addresses stated in the manual are + * left-shifted by one bit. + */ +#define BSP_VPD_I2C_ADDR (0xA8>>1) /* the VPD EEPROM */ +#define BSP_USR_I2C_ADDR (0xAA>>1) /* the user EEPROM */ +#define BSP_THM_I2C_ADDR (0x90>>1) /* the DS1621 temperature sensor & thermostat */ + +#define BSP_I2C_BUS_DESCRIPTOR gt64260_i2c_bus_descriptor + +#define BSP_I2C_BUS0_NAME "/dev/i2c0" + +#define BSP_I2C_VPD_EEPROM_NAME "vpd-eeprom" +#define BSP_I2C_USR_EEPROM_NAME "usr-eeprom" +#define BSP_I2C_DS1621_NAME "ds1621" +#define BSP_I2C_THM_NAME BSP_I2C_DS1621_NAME +#define BSP_I2C_DS1621_RAW_NAME "ds1621-raw" + +#define BSP_I2C_VPD_EEPROM_DEV_NAME (BSP_I2C_BUS0_NAME"."BSP_I2C_VPD_EEPROM_NAME) +#define BSP_I2C_USR_EEPROM_DEV_NAME (BSP_I2C_BUS0_NAME"."BSP_I2C_USR_EEPROM_NAME) +#define BSP_I2C_DS1621_DEV_NAME (BSP_I2C_BUS0_NAME"."BSP_I2C_DS1621_NAME) +#define BSP_I2C_THM_DEV_NAME BSP_I2C_DS1621_DEV_NAME +#define BSP_I2C_DS1621_RAW_DEV_NAME (BSP_I2C_BUS0_NAME"."BSP_I2C_DS1621_RAW_NAME) + + +/* Initialize the I2C driver and register all devices + * RETURNS 0 on success, -1 on error. + * + * Access to the VPD and user EEPROMS as well + * as the ds1621 temperature sensor is possible + * by means of file nodes + * + * /dev/i2c0.vpd-eeprom (read-only) + * /dev/i2c0.usr-eeprom (read-write) + * /dev/i2c0.ds1621 (read-only; one byte: board-temp in degC) + * /dev/i2c0.ds1621-raw (read-write; transfer bytes to/from the ds1621) + */ +int BSP_i2c_initialize(void); + +/* Networking; */ +#if defined(RTEMS_NETWORKING) +#include <bsp/bsp_bsdnet_attach.h> +#endif + +/* NOT FOR PUBLIC USE BELOW HERE */ +#define BSP_PCI_HOSE0_MEM_BASE 0x80000000 /* must be aligned to size */ +#define BSP_PCI_HOSE0_MEM_SIZE 0x20000000 + +#define BSP_PCI_HOSE1_MEM_BASE 0xe0000000 + +#define BSP_DEV_AND_PCI_IO_BASE 0xf0000000 +#define BSP_DEV_AND_PCI_IO_SIZE 0x10000000 + +/* maintain coherency between CPU and GT64340 Ethernet + * (andpossibly other Discovery components). + */ +#define BSP_RW_PAGE_ATTRIBUTES TRIV121_ATTR_M + +extern unsigned BSP_pci_hose1_bus_base; + +void BSP_pci_initialize(void); + +/* Exception Handling */ + +/* Use a task notepad to attach user exception handler info; + * may be changed by application startup code (EPICS uses 11) + */ +#define BSP_EXCEPTION_NOTEPAD 14 + +#ifndef ASM + +#define outport_byte(port,value) outb(value,port) +#define outport_word(port,value) outw(value,port) +#define outport_long(port,value) outl(value,port) + +#define inport_byte(port,value) (value = inb(port)) +#define inport_word(port,value) (value = inw(port)) +#define inport_long(port,value) (value = inl(port)) +/* + * Vital Board data Start using DATA RESIDUAL + */ +/* + * Total memory using RESIDUAL DATA + */ +extern unsigned int BSP_mem_size; +/* + * Start of the heap + */ +extern unsigned int BSP_heap_start; +/* + * PCI Bus Frequency + */ +extern unsigned int BSP_bus_frequency; +/* + * processor clock frequency + */ +extern unsigned int BSP_processor_frequency; +/* + * Time base divisior (how many tick for 1 second). + */ +extern unsigned int BSP_time_base_divisor; + +extern char BSP_productIdent[20]; +extern char BSP_serialNumber[20]; + +extern char BSP_enetAddr0[7]; +extern char BSP_enetAddr1[7]; + +/* + * The commandline as passed from the bootloader. + */ +extern char *BSP_commandline_string; + + +#define BSP_Convert_decrementer( _value ) \ + ((unsigned long long) ((((unsigned long long)BSP_time_base_divisor) * 1000000ULL) /((unsigned long long) BSP_bus_frequency)) * ((unsigned long long) (_value))) + +extern rtems_configuration_table BSP_Configuration; +extern void bsp_reset(void); +extern int BSP_disconnect_clock_handler (void); +extern int BSP_connect_clock_handler (void); + +/* clear hostbridge errors + * + * enableMCP: whether to enable MCP checkstop / machine check interrupts + * on the hostbridge and in HID0. + * + * NOTE: The 5500 and 6100 boards have NO PHYSICAL CONNECTION + * to MCP so 'enableMCP' will always fail! + * + * quiet : be silent + * + * RETURNS : PCI status (hose 0 in byte 0, host 1 in byte 1) and + * VME bridge status (upper 16 bits). + * Zero if no errors were found. + */ +extern unsigned long _BSP_clear_hostbridge_errors(int enableMCP, int quiet); + +/* clear vme bridge errors and return (bridge-dependent) 16-bit status + * + * quiet : be silent + * + * RETURNS : 0 if there were no errors, non-zero, bridge-dependent + * 16-bit error status on error. + * + */ +extern unsigned short (*_BSP_clear_vmebridge_errors)(int); + +/* + * Prototypes for debug helpers + */ +void discovery_pic_set_debug_irq(int on); +void discovery_pic_install_debug_irq(void); + +/* + * Prototypes for methods called only from .S for dependency tracking + */ +char *save_boot_params( + void *r3, + void *r4, + void *r5, + char *cmdline_start, + char *cmdline_end +); +void zero_bss(void); + +/* + * Prototypes for methods in the BSP that cross file boundaries + */ +uint32_t probeMemoryEnd(void); + +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* !ASM */ + +#endif |