diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/av5282/startup/init5282.c')
-rw-r--r-- | c/src/lib/libbsp/m68k/av5282/startup/init5282.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/c/src/lib/libbsp/m68k/av5282/startup/init5282.c b/c/src/lib/libbsp/m68k/av5282/startup/init5282.c deleted file mode 100644 index df5eedb2fd..0000000000 --- a/c/src/lib/libbsp/m68k/av5282/startup/init5282.c +++ /dev/null @@ -1,88 +0,0 @@ -/* - * This is where the real hardware setup is done. A minimal stack - * has been provided by the start.S code. No normal C or RTEMS - * functions can be called from here. - * - * This routine is pretty simple for the uC5282 because all the hard - * work has been done by the bootstrap dBUG code. - */ - -#include <bsp.h> - -#define m68k_set_cacr(_cacr) \ - __asm__ volatile ("movec %0,%%cacr" : : "d" (_cacr)) -#define m68k_set_acr0(_acr0) \ - __asm__ volatile ("movec %0,%%acr0" : : "d" (_acr0)) -#define m68k_set_acr1(_acr1) \ - __asm__ volatile ("movec %0,%%acr1" : : "d" (_acr1)) -#define MM_SDRAM_BASE (0x00000000) - -/* - * External methods used by this file - */ -extern void CopyDataClearBSSAndStart (void); -extern void INTERRUPT_VECTOR(void); - -void Init5282 (void) -{ - int x; - int temp = 0; - - /*Setup the GPIO Registers */ - MCF5282_GPIO_PBCDPAR = 0x80; - MCF5282_GPIO_PEPAR = 0x5100; - MCF5282_GPIO_PJPAR = 0xFF; - MCF5282_GPIO_PASPAR = 0x0000; - MCF5282_GPIO_PEHLPAR = 0xC0; - MCF5282_GPIO_PUAPAR = 0x0F; - MCF5282_QADC_DDRQB = 0x07; - MCF5282_GPTA_GPTDDR = 0x0C; - MCF5282_GPTA_GPTPORT = 0x4; - - /*Setup the Chip Selects so CS0 is flash */ - MCF5282_CS0_CSAR =(0xff800000 & 0xffff0000)>>16; - MCF5282_CS0_CSMR = 0x007f0001; - MCF5282_CS0_CSCR =(((0xf)&0x0F)<<10)|(1<<8)|(0x80); - - /*Setup the SDRAM */ - for(x=0; x<20000; x++) { - temp +=1; - } - MCF5282_SDRAMC_DCR = 0x00000239; - MCF5282_SDRAMC_DACR0 = 0x00001320; - MCF5282_SDRAMC_DMR0 = (0x00FC0000) | (0x00000001); - for(x=0; x<20000; x++) { - temp +=1; - } - /* set ip ( bit 3 ) in dacr */ - MCF5282_SDRAMC_DACR0 |= (0x00000008) ; - /* init precharge */ - *((short *)MM_SDRAM_BASE) = 0; - /* set RE in dacr */ - MCF5282_SDRAMC_DACR0 |= (0x00008000); - /* wait */ - for(x=0; x<20000; x++) { - temp +=1; - } - /* issue IMRS */ - MCF5282_SDRAMC_DACR0 |= (0x00000040); - *((short *)MM_SDRAM_BASE) = 0x0000; - for(x=0; x<60000; x++) { - temp +=1; - } - *((unsigned long*)MM_SDRAM_BASE)=0x12345678; - - /* Copy the interrupt vector table to address 0x0 in SDRAM */ - { - uint32_t *inttab = (uint32_t *)&INTERRUPT_VECTOR; - uint32_t *intvec = (uint32_t *)0x0; - register int i; - for (i = 0; i < 256; i++) { - *(intvec++) = *(inttab++); - } - } - /* - * Copy data, clear BSS and call boot_card() - */ - CopyDataClearBSSAndStart (); -} |