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Diffstat (limited to 'board/etin/kvme080/kvme080.c')
| -rw-r--r-- | board/etin/kvme080/kvme080.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/board/etin/kvme080/kvme080.c b/board/etin/kvme080/kvme080.c new file mode 100644 index 0000000..de62fa0 --- /dev/null +++ b/board/etin/kvme080/kvme080.c @@ -0,0 +1,193 @@ +/* + * (C) Copyright 2005 + * Sangmoon Kim, Etin Systems. dogoil@etinsys.com. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <mpc824x.h> +#include <pci.h> +#include <i2c.h> +#include <asm/processor.h> + +int checkboard(void) +{ + puts ("Board: KVME080\n"); + return 0; +} + +unsigned long setdram(int m, int row, int col, int bank) +{ + int i; + unsigned long start, end; + uint32_t mccr1; + uint32_t mear1 = 0, emear1 = 0, msar1 = 0, emsar1 = 0; + uint32_t mear2 = 0, emear2 = 0, msar2 = 0, emsar2 = 0; + uint8_t mber = 0; + + CONFIG_READ_WORD(MCCR1, mccr1); + mccr1 &= 0xffff0000; + + start = CFG_SDRAM_BASE; + end = start + (1 << (col + row + 3) ) * bank - 1; + + for (i = 0; i < m; i++) { + mccr1 |= ((row == 13)? 2 : (bank == 4)? 0 : 3) << i * 2; + if (i < 4) { + msar1 |= ((start >> 20) & 0xff) << i * 8; + emsar1 |= ((start >> 28) & 0xff) << i * 8; + mear1 |= ((end >> 20) & 0xff) << i * 8; + emear1 |= ((end >> 28) & 0xff) << i * 8; + } else { + msar2 |= ((start >> 20) & 0xff) << (i-4) * 8; + emsar2 |= ((start >> 28) & 0xff) << (i-4) * 8; + mear2 |= ((end >> 20) & 0xff) << (i-4) * 8; + emear2 |= ((end >> 28) & 0xff) << (i-4) * 8; + } + mber |= 1 << i; + start += (1 << (col + row + 3) ) * bank; + end += (1 << (col + row + 3) ) * bank; + } + for (; i < 8; i++) { + if (i < 4) { + msar1 |= 0xff << i * 8; + emsar1 |= 0x30 << i * 8; + mear1 |= 0xff << i * 8; + emear1 |= 0x30 << i * 8; + } else { + msar2 |= 0xff << (i-4) * 8; + emsar2 |= 0x30 << (i-4) * 8; + mear2 |= 0xff << (i-4) * 8; + emear2 |= 0x30 << (i-4) * 8; + } + } + + CONFIG_WRITE_WORD(MCCR1, mccr1); + CONFIG_WRITE_WORD(MSAR1, msar1); + CONFIG_WRITE_WORD(EMSAR1, emsar1); + CONFIG_WRITE_WORD(MEAR1, mear1); + CONFIG_WRITE_WORD(EMEAR1, emear1); + CONFIG_WRITE_WORD(MSAR2, msar2); + CONFIG_WRITE_WORD(EMSAR2, emsar2); + CONFIG_WRITE_WORD(MEAR2, mear2); + CONFIG_WRITE_WORD(EMEAR2, emear2); + CONFIG_WRITE_BYTE(MBER, mber); + + return (1 << (col + row + 3) ) * bank * m; +} + +long int initdram(int board_type) +{ + unsigned int msr; + long int size = 0; + + msr = mfmsr(); + mtmsr(msr & ~(MSR_IR | MSR_DR)); + mtspr(IBAT2L, CFG_IBAT0L + 0x10000000); + mtspr(IBAT2U, CFG_IBAT0U + 0x10000000); + mtspr(DBAT2L, CFG_DBAT0L + 0x10000000); + mtspr(DBAT2U, CFG_DBAT0U + 0x10000000); + mtmsr(msr); + + if (setdram(2,13,10,4) == get_ram_size(CFG_SDRAM_BASE, 0x20000000)) + size = 0x20000000; /* 512MB */ + else if (setdram(1,13,10,4) == get_ram_size(CFG_SDRAM_BASE, 0x10000000)) + size = 0x10000000; /* 256MB */ + else if (setdram(2,13,9,4) == get_ram_size(CFG_SDRAM_BASE, 0x10000000)) + size = 0x10000000; /* 256MB */ + else if (setdram(1,13,9,4) == get_ram_size(CFG_SDRAM_BASE, 0x08000000)) + size = 0x08000000; /* 128MB */ + else if (setdram(2,12,9,4) == get_ram_size(CFG_SDRAM_BASE, 0x08000000)) + size = 0x08000000; /* 128MB */ + else if (setdram(1,12,9,4) == get_ram_size(CFG_SDRAM_BASE, 0x04000000)) + size = 0x04000000; /* 64MB */ + + msr = mfmsr(); + mtmsr(msr & ~(MSR_IR | MSR_DR)); + mtspr(IBAT2L, CFG_IBAT2L); + mtspr(IBAT2U, CFG_IBAT2U); + mtspr(DBAT2L, CFG_DBAT2L); + mtspr(DBAT2U, CFG_DBAT2U); + mtmsr(msr); + + return size; +} + +struct pci_controller hose; + +void pci_init_board(void) +{ + pci_mpc824x_init(&hose); +} + +int board_early_init_f(void) +{ + *(volatile unsigned char *)(0xff080120) = 0xfb; + + return 0; +} + +int board_early_init_r(void) +{ + unsigned int msr; + + CONFIG_WRITE_WORD(ERCR1, 0x95ff8000); + CONFIG_WRITE_WORD(ERCR3, 0x0c00000e); + CONFIG_WRITE_WORD(ERCR4, 0x0800000e); + + msr = mfmsr(); + mtmsr(msr & ~(MSR_IR | MSR_DR)); + mtspr(IBAT1L, 0x70000000 | BATL_PP_10 | BATL_CACHEINHIBIT); + mtspr(IBAT1U, 0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP); + mtspr(DBAT1L, 0x70000000 | BATL_PP_10 | BATL_CACHEINHIBIT); + mtspr(DBAT1U, 0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP); + mtmsr(msr); + + return 0; +} + +extern int multiverse_init(void); + +int misc_init_r(void) +{ + multiverse_init(); + return 0; +} + +void *nvram_read(void *dest, const long src, size_t count) +{ + volatile uchar *d = (volatile uchar*) dest; + volatile uchar *s = (volatile uchar*) src; + while(count--) { + *d++ = *s++; + asm volatile("sync"); + } + return dest; +} + +void nvram_write(long dest, const void *src, size_t count) +{ + volatile uchar *d = (volatile uchar*)dest; + volatile uchar *s = (volatile uchar*)src; + while(count--) { + *d++ = *s++; + asm volatile("sync"); + } +} |