diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mpc8260ads/startup/bspstart.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mpc8260ads/startup/bspstart.c | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/c/src/lib/libbsp/powerpc/mpc8260ads/startup/bspstart.c b/c/src/lib/libbsp/powerpc/mpc8260ads/startup/bspstart.c deleted file mode 100644 index 44ec072775..0000000000 --- a/c/src/lib/libbsp/powerpc/mpc8260ads/startup/bspstart.c +++ /dev/null @@ -1,191 +0,0 @@ -/* - * This routine does the bulk of the system initialization. - */ - -/* - * The MPC860 specific stuff was written by Jay Monkman (jmonkman@frasca.com) - * - * Modified for the MPC8260ADS board by Andy Dachs <a.dachs@sstl.co.uk> - * Surrey Satellite Technology Limited, 2001 - * A 40MHz system clock is assumed. - * The PON. RST.CONF. Dip switches (DS1) are - * 1 - Off - * 2 - On - * 3 - Off - * 4 - On - * 5 - Off - * 6 - Off - * 7 - Off - * 8 - Off - * Dip switches on DS2 and DS3 are all set to ON - * The LEDs on the board are used to signal panic and fatal_error - * conditions. - * The mmu is unused at this time. - * - * COPYRIGHT (c) 1989-2007. - * On-Line Applications Research Corporation (OAR). - * - * 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. - */ - -#include <bsp.h> -#include <bsp/bootcard.h> - -/* -#include <mmu.h> -*/ - -#include <mpc8260.h> -#include <rtems/score/thread.h> -#include <rtems/powerpc/powerpc.h> - -#include <rtems/bspIo.h> -#include <rtems/counter.h> -#include <bsp/irq.h> -#include <libcpu/cpuIdent.h> -#include <libcpu/spr.h> - -#include <string.h> - -#define UART1_E 0x02000002 /* bit 6 of BCSR1 */ -#define UART2_E 0x01000001 /* bit 7 of BCSR1 */ - -#define GP0_LED 0x02000002 /* bit 6 of BCSR0 */ -#define GP1_LED 0x01000001 /* bit 7 of BCSR0 */ - -SPR_RW(SPRG1) - -/* - * Driver configuration parameters - */ -uint32_t bsp_clock_speed; -uint32_t bsp_time_base_frequency; -uint32_t bsp_clicks_per_usec; -uint32_t bsp_serial_per_sec; /* Serial clocks per second */ -bool bsp_serial_external_clock; -bool bsp_serial_xon_xoff; -bool bsp_serial_cts_rts; -uint32_t bsp_serial_rate; - -extern char IntrStack_start []; -extern char intrStack []; - -static void _BSP_GPLED0_on(void) -{ - BCSR *csr; - csr = (BCSR *)(m8260.memc[1].br & 0xFFFF8000); - csr->bcsr0 &= ~GP0_LED; /* Turn on GP0 LED */ -} - -static void _BSP_GPLED0_off(void) -{ - BCSR *csr; - csr = (BCSR *)(m8260.memc[1].br & 0xFFFF8000); - csr->bcsr0 |= GP0_LED; /* Turn off GP0 LED */ -} - -static void _BSP_GPLED1_on(void) -{ - BCSR *csr; - csr = (BCSR *)(m8260.memc[1].br & 0xFFFF8000); - csr->bcsr0 &= ~GP1_LED; /* Turn on GP1 LED */ -} - -static void _BSP_GPLED1_off(void) -{ - BCSR *csr; - csr = (BCSR *)(m8260.memc[1].br & 0xFFFF8000); - csr->bcsr0 |= GP1_LED; /* Turn off GP1 LED */ -} - -static void _BSP_Uart1_enable(void) -{ - BCSR *csr; - csr = (BCSR *)(m8260.memc[1].br & 0xFFFF8000); - csr->bcsr1 &= ~UART1_E; /* Enable Uart1 */ -} - -static void _BSP_Uart2_enable(void) -{ - BCSR *csr; - csr = (BCSR *)(m8260.memc[1].br & 0xFFFF8000); - csr->bcsr1 &= ~UART2_E; /* Enable Uart2 */ -} - -void bsp_start(void) -{ - /* Set MPC8260ADS board LEDS and Uart enable lines */ - _BSP_GPLED0_off(); - _BSP_GPLED1_off(); - _BSP_Uart1_enable(); - _BSP_Uart2_enable(); - - /* - * Get CPU identification dynamically. Note that the get_ppc_cpu_type() - * function stores the result in global variables so that it can be used - * later... - */ - get_ppc_cpu_type(); - get_ppc_cpu_revision(); - - cpu_init(); - -/* - mmu_init(); -*/ - - /* Initialize exception handler */ - /* FIXME: Interrupt stack begin and size */ - ppc_exc_initialize( - (uintptr_t) IntrStack_start, - (uintptr_t) intrStack - (uintptr_t) IntrStack_start - ); - - /* Initalize interrupt support */ - bsp_interrupt_initialize(); - -/* - mmu_init(); -*/ - - /* - * Enable instruction and data caches. Do not force writethrough mode. - */ -#if BSP_INSTRUCTION_CACHE_ENABLED - rtems_cache_enable_instruction(); -#endif -#if BSP_DATA_CACHE_ENABLED - rtems_cache_enable_data(); -#endif - - /* - * initialize the device driver parameters - */ - bsp_time_base_frequency = 10000000; - bsp_clicks_per_usec = 10; /* for 40MHz extclk */ - bsp_serial_per_sec = 40000000; - bsp_serial_external_clock = 0; - bsp_serial_xon_xoff = 0; - bsp_serial_cts_rts = 0; - bsp_serial_rate = 9600; - bsp_clock_speed = 40000000; - rtems_counter_initialize_converter(bsp_clock_speed); - -#ifdef REV_0_2 - /* set up some board specific registers */ - m8260.siumcr &= 0xF3FFFFFF; /* set TBEN ** BUG FIX ** */ - m8260.siumcr |= 0x08000000; -#endif - - /* use BRG1 to generate 32kHz timebase */ -/* - m8260.brgc1 = M8260_BRG_EN + (uint32_t)(((uint16_t)((40016384)/(32768)) - 1) << 1) + 0; -*/ - -#ifdef SHOW_MORE_INIT_SETTINGS - printk("Exit from bspstart\n"); -#endif - -} |