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made m548xLITE board run again

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This commit is contained in:
Markus Fröschle
2015-01-24 10:14:39 +00:00
parent 2e71b096b8
commit cfbc003723
2 changed files with 57 additions and 54 deletions
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38
BaS_gcc/sys/mmu.c
View File

@@ -229,8 +229,6 @@ static struct virt_to_phys translation[] =
{ 0x00000000, 0x00e00000, 0x00000000 }, /* map first 14 MByte to first 14 Mb of SD ram */
{ 0x00e00000, 0x00100000, 0x00000000 }, /* map TOS to SDRAM */
{ 0x01000000, 0x04000000, 0x00000000 }, /* map rest of ram virt = phys */
{ 0x60000000, 0x10000000, 0x00000000 }, /* map CPLD CF card I/O area */
};
#elif defined(MACHINE_M54455)
/* FIXME: this is not determined yet! */
@@ -528,17 +526,15 @@ void mmu_init(void)
if (addr >= 0x60000000UL && addr < 0x70000000UL) /* Compact Flash on the m5484lite */
{
pages[i].cache_mode = CACHE_NOCACHE_PRECISE;
pages[i].execute = 0;
pages[i].supervisor_protect = 0;
pages[i].read = 1;
pages[i].write = 1;
pages[i].execute = 0;
pages[i].execute = 1;
pages[i].global = 1;
pages[i].supervisor_protect = 1;
}
else if (addr >= 0x0UL && addr < 0x00e00000UL) /* ST-RAM, potential video memory */
{
pages[i].cache_mode = CACHE_WRITETHROUGH;
pages[i].execute = 1;
pages[i].supervisor_protect = 0;
pages[i].read = 1;
pages[i].write = 1;
@@ -694,23 +690,6 @@ void mmu_init(void)
/* 0x00000000 - 0x00100000 (first MB of physical memory) locked virt = phys */
mmu_map_page(0x0, 0x0, MMU_PAGE_SIZE_1M, 0, &flags);
#ifdef _NOT_USED_
#if defined(MACHINE_FIREBEE)
/*
* 0x00d00000 - 0x00e00000 (last megabyte of ST RAM = Falcon video memory) locked ID = 6
* mapped to physical address 0x60d0'0000 (FPGA video memory)
* video RAM: read write execute normal write true
*/
flags.cache_mode = CACHE_WRITETHROUGH;
flags.supervisor_protect = 0;
flags.read = 1;
flags.write = 1;
flags.execute = 1;
flags.locked = true;
mmu_map_page(0x00d00000, 0x60d00000, MMU_PAGE_SIZE_1M, SCA_PAGE_ID, &flags);
#endif /* MACHINE_FIREBEE */
#endif
/*
* Make the TOS (in SDRAM) read-only
* This maps virtual 0x00e0'0000 - 0x00ef'ffff to the same virtual address
@@ -735,6 +714,17 @@ void mmu_init(void)
flags.execute = 0;
flags.locked = 1;
mmu_map_page(0x00f00000, 0xfff00000, MMU_PAGE_SIZE_1M, 0, &flags);
#elif defined(MACHINE_M5484LITE)
/*
* Map m5484LITE CPLD access
*/
flags.cache_mode = CACHE_NOCACHE_PRECISE;
flags.supervisor_protect = 1;
flags.read = 1;
flags.write = 1;
flags.execute = 0;
flags.locked = 1;
mmu_map_page(0x6a000000, 0x6a000000, MMU_PAGE_SIZE_1M, 0, &flags);
#endif /* MACHINE_FIREBEE */
/*
@@ -767,7 +757,7 @@ uint32_t mmutr_miss(uint32_t mmu_sr, uint32_t fault_address, uint32_t pc, uint32
{
uint32_t fault = format_status & 0xc030000;
dbg("MMU TLB MISS accessing 0x%08x\r\nFS = 0x%08x\r\nPC = 0x%08x\r\n", fault_address, format_status, pc);
//dbg("MMU TLB MISS accessing 0x%08x\r\nFS = 0x%08x\r\nPC = 0x%08x\r\n", fault_address, format_status, pc);
// flush_and_invalidate_caches();
switch (fault)

69
BaS_gcc/sys/sysinit.c
View File

@@ -406,7 +406,7 @@ void init_fbcs()
xprintf("FlexBus chip select registers initialization: ");
/* Flash */
MCF_FBCS0_CSAR = BOOTFLASH_BASE_ADDRESS; /* flash base address */
MCF_FBCS0_CSAR = MCF_FBCS_CSAR_BA(BOOTFLASH_BASE_ADDRESS); /* flash base address */
MCF_FBCS0_CSCR = MCF_FBCS_CSCR_PS_16 | /* 16 bit word access */
MCF_FBCS_CSCR_WS(6)| /* 6 Waitstates */
MCF_FBCS_CSCR_AA |
@@ -416,50 +416,34 @@ void init_fbcs()
MCF_FBCS_CSMR_V; /* enable */
#if MACHINE_FIREBEE /* FBC setup for FireBee */
MCF_FBCS1_CSAR = 0xFFF00000; /* ATARI I/O ADRESS */
#if defined(MACHINE_FIREBEE) /* FBC setup for FireBee */
MCF_FBCS1_CSAR = MCF_FBCS_CSAR_BA(0xFFF00000); /* ATARI I/O ADRESS */
MCF_FBCS1_CSCR = MCF_FBCS_CSCR_PS_16 /* 16BIT PORT */
| MCF_FBCS_CSCR_WS(8) /* DEFAULT 8WS */
| MCF_FBCS_CSCR_AA; /* AA */
MCF_FBCS1_CSMR = MCF_FBCS_CSMR_BAM_1M | MCF_FBCS_CSMR_V;
MCF_FBCS2_CSAR = 0xF0000000; /* Firebee new I/O address range */
MCF_FBCS2_CSAR = MCF_FBCS_CSAR_BA(0xF0000000); /* Firebee new I/O address range */
MCF_FBCS2_CSCR = MCF_FBCS_CSCR_PS_32 /* 32BIT PORT */
| MCF_FBCS_CSCR_WS(8) /* DEFAULT 4WS */
| MCF_FBCS_CSCR_AA; /* AA */
MCF_FBCS2_CSMR = (MCF_FBCS_CSMR_BAM_128M /* F000'0000-F7FF'FFFF */
| MCF_FBCS_CSMR_V);
MCF_FBCS3_CSAR = 0xF8000000; /* Firebee new I/O address range */
MCF_FBCS3_CSAR = MCF_FBCS_CSAR_BA(0xF8000000); /* Firebee new I/O address range */
MCF_FBCS3_CSCR = MCF_FBCS_CSCR_PS_16 /* 16BIT PORT */
| MCF_FBCS_CSCR_AA; // AA
MCF_FBCS3_CSMR = (MCF_FBCS_CSMR_BAM_64M /* F800'0000-FBFF'FFFF */
| MCF_FBCS_CSMR_V);
MCF_FBCS4_CSAR = 0x40000000; /* video ram area, FB_CS3 not used, decoded on FPGA */
MCF_FBCS4_CSAR = MCF_FBCS_CSAR_BA(0x40000000); /* video ram area, FB_CS3 not used, decoded on FPGA */
MCF_FBCS4_CSCR = MCF_FBCS_CSCR_PS_32 /* 32BIT PORT */
| MCF_FBCS_CSCR_BSTR /* burst read enable */
| MCF_FBCS_CSCR_BSTW; /* burst write enable */
MCF_FBCS4_CSMR = MCF_FBCS_CSMR_BAM_1G /* 4000'0000-7FFF'FFFF */
| MCF_FBCS_CSMR_V;
#elif MACHINE_M5484LITE
/* disable other FBCS for now */
MCF_FBCS1_CSMR = 0;
MCF_FBCS2_CSMR = 0;
MCF_FBCS3_CSMR = 0;
MCF_FBCS4_CSMR = 0;
MCF_FBCS5_CSAR = MCF_FBCS_CSAR_BA(0x60000000);
MCF_FBCS5_CSCR = MCF_FBCS_CSCR_PS_16 | /* CPLD access */
MCF_FBCS_CSCR_WS(32) |
MCF_FBCS_CSCR_ASET(1) |
MCF_FBCS_CSCR_AA;
MCF_FBCS5_CSMR = MCF_FBCS_CSMR_BAM_1G |
MCF_FBCS_CSMR_V;
#endif /* MACHINE_FIREBEE */
#ifndef MACHINE_M5484LITE
/* disable FBCS5 on Firebee */
MCF_FBCS5_CSAR = 0x0;
MCF_FBCS5_CSCR = MCF_FBCS_CSCR_PS_8
| MCF_FBCS_CSCR_BSTR
@@ -467,7 +451,21 @@ void init_fbcs()
| MCF_FBCS_CSCR_RDAH(1); /* chip errata SECF077 */
MCF_FBCS5_CSMR = MCF_FBCS_CSMR_BAM_1G;
//| MCF_FBCS_CSMR_V;
#endif /* MACHINE_M5484LITE */
#elif defined(MACHINE_M5484LITE)
/* disable other FBCS for now */
MCF_FBCS1_CSMR = 0;
MCF_FBCS2_CSMR = 0;
MCF_FBCS3_CSMR = 0;
MCF_FBCS4_CSMR = 0;
MCF_FBCS5_CSAR = MCF_FBCS_CSAR_BA(0x60000000);
MCF_FBCS5_CSCR = MCF_FBCS_CSCR_PS_16 | /* CPLD access 16 bit wide */
MCF_FBCS_CSCR_WS(32) | /* 32 wait states */
MCF_FBCS_CSCR_ASET(1) | /* chip select on rising clock edge */
MCF_FBCS_CSCR_AA; /* auto acknowledge */
MCF_FBCS5_CSMR = MCF_FBCS_CSMR_BAM_256M | /* maps 0x60000000 to 0x68000000 */
MCF_FBCS_CSMR_V;
#endif /* MACHINE_FIREBEE */
xprintf("finished\r\n");
}
@@ -1047,19 +1045,34 @@ void initialize_hardware(void)
break;
}
/* make sure MMU is disabled */
MCF_MMU_MMUCR = 0; /* MMU off */
NOP(); /* force pipeline sync */
/*
* Determine the processor revision
*/
xprintf(" (revision %d)\r\n", ((MCF_SIU_JTAGID & MCF_SIU_JTAGID_REV) >> 28));
/* make sure MMU is disabled */
MCF_MMU_MMUCR = 0; /* MMU off */
NOP(); /* force pipeline sync */
init_slt();
init_fbcs();
coldboot = init_ddram();
#if defined(MACHINE_M5484LITE)
xprintf("Fire Engine Control register: %02x\r\n", * (uint8_t *) 0x61000000);
xprintf("Fire Engine interrupt register: %02x\r\n", * (uint8_t *) 0x62000000);
xprintf("Fire Engine interrupt mask register: %02x\r\n", * (uint8_t *) 0x63000000);
xprintf("Fire Engine power management register: %02x\r\n", * (uint8_t *) 0x64000000);
xprintf("Fire Engine EEPROM SPI register: %02x\r\n", * (uint8_t *) 0x65000000);
xprintf("Fire Engine Flash register: %02x\r\n", * (uint8_t *) 0x66000000);
xprintf("Fire Engine CPLD revision register: %02x\r\n", * (uint8_t *) 0x67000000);
xprintf("Fire Engine Hardware revision register:%02x\r\n", * (uint8_t *) 0x68000000);
xprintf("write control register 0x%02x\r\n", 1 << 7);
* (uint8_t *) 0x61000000 = 1 << 7;
xprintf("Fire Engine Control register: %02x\r\n", * (uint8_t *) 0x61000000);
#endif /* MACHINE_M5484LITE */
/*
* install (preliminary) exception vectors
*/