diff options
Diffstat (limited to 'c/src/lib/libbsp/bfin/eZKit533/startup/bspstart.c')
| -rw-r--r-- | c/src/lib/libbsp/bfin/eZKit533/startup/bspstart.c | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/c/src/lib/libbsp/bfin/eZKit533/startup/bspstart.c b/c/src/lib/libbsp/bfin/eZKit533/startup/bspstart.c deleted file mode 100644 index 3579dd7766..0000000000 --- a/c/src/lib/libbsp/bfin/eZKit533/startup/bspstart.c +++ /dev/null @@ -1,156 +0,0 @@ -/* bspstart.c for eZKit533 - * - * This routine does the bulk of the system initialisation. - */ - -/* - * Copyright (c) 2006 by Atos Automacao Industrial Ltda. - * written by Alain Schaefer <alain.schaefer@easc.ch> - * and Antonio Giovanini <antonio@atos.com.br> - * - * 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 <cplb.h> -#include <libcpu/interrupt.h> -#include <rtems/sysinit.h> - -const unsigned int dcplbs_table[16][2] = { - { 0xFFA00000, (PAGE_SIZE_1MB | CPLB_D_PAGE_MGMT | CPLB_WT) }, - { 0xFF900000, (PAGE_SIZE_1MB | CPLB_D_PAGE_MGMT | CPLB_WT) }, /* L1 Data B */ - { 0xFF800000, (PAGE_SIZE_1MB | CPLB_D_PAGE_MGMT | CPLB_WT) }, /* L1 Data A */ - { 0xFFB00000, (PAGE_SIZE_1MB | CPLB_DNOCACHE) }, - { 0x20300000, (PAGE_SIZE_1MB | CPLB_DNOCACHE) }, /* Async Memory Bank 3 */ - { 0x20200000, (PAGE_SIZE_1MB | CPLB_DNOCACHE) }, /* Async Memory Bank 2 (Secnd) */ - { 0x20100000, (PAGE_SIZE_1MB | CPLB_DNOCACHE) }, /* Async Memory Bank 1 (Prim B) */ - { 0x20000000, (PAGE_SIZE_1MB | CPLB_DNOCACHE) }, /* Async Memory Bank 0 (Prim A) */ - - { 0x02400000, (PAGE_SIZE_4MB | CPLB_DNOCACHE) }, - { 0x02000000, (PAGE_SIZE_4MB | CPLB_DNOCACHE) }, - { 0x00C00000, (PAGE_SIZE_4MB | CPLB_DNOCACHE) }, - { 0x00800000, (PAGE_SIZE_4MB | CPLB_DNOCACHE) }, - { 0x00400000, (PAGE_SIZE_4MB | CPLB_DNOCACHE) }, - { 0x00000000, (PAGE_SIZE_4MB | CPLB_DNOCACHE) }, - { 0xffffffff, 0xffffffff } /* end of section - termination */ - -}; - - -const unsigned int _icplbs_table[16][2] = { - { 0xFFA00000, (PAGE_SIZE_1MB | CPLB_I_PAGE_MGMT | CPLB_I_PAGE_MGMT | 0x4) }, /* L1 Code */ - { 0xEF000000, (PAGE_SIZE_1MB | CPLB_INOCACHE) }, /* AREA DE BOOT */ - { 0xFFB00000, (PAGE_SIZE_1MB | CPLB_INOCACHE) }, - { 0x20300000, (PAGE_SIZE_1MB | CPLB_INOCACHE) }, /* Async Memory Bank 3 */ - { 0x20200000, (PAGE_SIZE_1MB | CPLB_INOCACHE) }, /* Async Memory Bank 2 (Secnd) */ - { 0x20100000, (PAGE_SIZE_1MB | CPLB_INOCACHE) }, /* Async Memory Bank 1 (Prim B) */ - { 0x20000000, (PAGE_SIZE_1MB | CPLB_INOCACHE) }, /* Async Memory Bank 0 (Prim A) */ - - { 0x02400000, (PAGE_SIZE_4MB | CPLB_INOCACHE) }, - { 0x02000000, (PAGE_SIZE_4MB | CPLB_INOCACHE) }, - { 0x00C00000, (PAGE_SIZE_4MB | CPLB_INOCACHE) }, - { 0x00800000, (PAGE_SIZE_4MB | CPLB_INOCACHE) }, - { 0x00400000, (PAGE_SIZE_4MB | CPLB_INOCACHE) }, - { 0x00000000, (PAGE_SIZE_4MB | CPLB_INOCACHE) }, - { 0xffffffff, 0xffffffff } /* end of section - termination */ - -}; - -/* - * Init_PLL - * - * Routine to initialize the PLL. The Ezkit uses a 27 Mhz XTAL. - * See "../eZKit533/include/bsp.h" for more information. - */ -static void Init_PLL (void) -{ - unsigned int n; - - /* Configure PLL registers */ - *((uint16_t*)PLL_LOCKCNT) = 0x1000; - *((uint16_t*)PLL_DIV) = PLL_CSEL|PLL_SSEL; - *((uint16_t*)PLL_CTL) = PLL_MSEL|PLL_DF; - - /* Commands to set PLL values */ - __asm__ ("cli r0;"); - __asm__ ("idle;"); - __asm__ ("sti r0;"); - - /* Delay for PLL stabilization */ - for (n=0; n<200; n++) {} -} - -/* - * Init_EBIU - * - * Configure extern memory - */ -static void Init_EBIU (void) -{ - /* Configure FLASH */ - *((uint32_t*)EBIU_AMBCTL0) = 0x7bb07bb0L; - *((uint32_t*)EBIU_AMBCTL1) = 0x7bb07bb0L; - *((uint16_t*)EBIU_AMGCTL) = 0x000f; - - /* Configure SDRAM - *((uint32_t*)EBIU_SDGCTL) = 0x0091998d; - *((uint16_t*)EBIU_SDBCTL) = 0x0013; - *((uint16_t*)EBIU_SDRRC) = 0x0817; - */ -} - -/* - * Init_Flags - * - * Enable LEDs port - */ -static void Init_Flags(void) -{ - *((uint16_t*)FIO_INEN) = 0x0100; - *((uint16_t*)FIO_DIR) = 0x0000; - *((uint16_t*)FIO_EDGE) = 0x0100; - *((uint16_t*)FIO_MASKA_D) = 0x0100; - - *((uint8_t*)FlashA_PortB_Dir) = 0x3f; - *((uint8_t*)FlashA_PortB_Data) = 0x00; -} - -RTEMS_SYSINIT_ITEM( - bfin_interrupt_init, - RTEMS_SYSINIT_BSP_PRE_DRIVERS, - RTEMS_SYSINIT_ORDER_MIDDLE -); - -void bsp_start( void ) -{ - /* BSP Hardware Initialization*/ - Init_RTC(); /* Blackfin Real Time Clock initialization */ - Init_PLL(); /* PLL initialization */ - Init_EBIU(); /* EBIU initialization */ - Init_Flags(); /* GPIO initialization */ - - int i=0; - for (i=5;i<16;i++) { - set_vector((rtems_isr_entry)bfin_null_isr, i, 1); - } -} - -/* - * Helper Function to use the EzKits LEDS. - * Can be used by the Application. - */ -void setLED (uint8_t value) -{ - *((uint8_t*)FlashA_PortB_Data) = value; -} - -/* - * Helper Function to use the EzKits LEDS - */ -uint8_t getLED (void) -{ - return *((uint8_t*)FlashA_PortB_Data); -} |