diff options
Diffstat (limited to 'board/mcc200')
| -rw-r--r-- | board/mcc200/config.mk | 10 | ||||
| -rw-r--r-- | board/mcc200/mcc200.c | 17 | ||||
| -rw-r--r-- | board/mcc200/mt48lc16m32s2-75.h | 43 |
3 files changed, 63 insertions, 7 deletions
diff --git a/board/mcc200/config.mk b/board/mcc200/config.mk index fa55673..a822559 100644 --- a/board/mcc200/config.mk +++ b/board/mcc200/config.mk @@ -26,16 +26,18 @@ # # Valid values for TEXT_BASE are: # -# 0xFFF00000 boot high (standard configuration) -# 0xFE000000 boot low +# 0xFC000000 boot low (standard configuration) +# 0xFFF00000 boot high # 0x00100000 boot from RAM (for testing only) # sinclude $(TOPDIR)/board/$(BOARDDIR)/config.tmp ifndef TEXT_BASE -## Standard: boot high -TEXT_BASE = 0xFFF00000 +## Standard: boot low +TEXT_BASE = 0xFC000000 +## Boot high +# TEXT_BASE = 0xFFF00000 ## For testing: boot from RAM # TEXT_BASE = 0x00100000 endif diff --git a/board/mcc200/mcc200.c b/board/mcc200/mcc200.c index 5fe239f..167dc0f 100644 --- a/board/mcc200/mcc200.c +++ b/board/mcc200/mcc200.c @@ -28,7 +28,16 @@ #include <mpc5xxx.h> #include <pci.h> -#include "mt48lc8m32b2-6-7.h" +/* Two MT48LC8M32B2 for 32 MB */ +/* #include "mt48lc8m32b2-6-7.h" */ + +/* One MT48LC16M32S2 for 64 MB */ +/* #include "mt48lc16m32s2-75.h" */ +#if defined (CONFIG_MCC200_SDRAM) +#include "mt48lc16m16a2-75.h" +#else +#include "mt46v16m16-75.h" +#endif DECLARE_GLOBAL_DATA_PTR; @@ -74,6 +83,8 @@ static void sdram_start (int hi_addr) /* normal operation */ *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit; __asm__ volatile ("sync"); + + udelay(10); } #endif @@ -242,8 +253,8 @@ int misc_init_r (void) /* Unprotect the upper bank of the Flash */ *(volatile int*)MPC5XXX_CS0_CFG |= (1 << 6); flash_protect (FLAG_PROTECT_CLEAR, - flash_info[0].start[0], - (flash_info[0].start[0] + flash_info[0].size) / 2 - 1, + flash_info[0].start[0] + flash_info[0].size / 2, + (flash_info[0].start[0] - 1) + flash_info[0].size, &flash_info[0]); *(volatile int*)MPC5XXX_CS0_CFG &= ~(1 << 6); } diff --git a/board/mcc200/mt48lc16m32s2-75.h b/board/mcc200/mt48lc16m32s2-75.h new file mode 100644 index 0000000..ffdf039 --- /dev/null +++ b/board/mcc200/mt48lc16m32s2-75.h @@ -0,0 +1,43 @@ +/* + * (C) Copyright 2004 + * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.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 + */ + +#define SDRAM_DDR 0 /* is SDR */ + +#if defined(CONFIG_MPC5200) +/* Settings for XLB = 132 MHz */ +#define SDRAM_MODE 0x00CD0000 +#define SDRAM_CONTROL 0x504F0000 +#define SDRAM_CONFIG1 0xD2322800 +#define SDRAM_CONFIG2 0x8AD70000 + +#elif defined(CONFIG_MGT5100) +/* Settings for XLB = 66 MHz */ +#define SDRAM_MODE 0x008D0000 +#define SDRAM_CONTROL 0x504F0000 +#define SDRAM_CONFIG1 0xC2222600 +#define SDRAM_CONFIG2 0x88B70004 +#define SDRAM_ADDRSEL 0x02000000 + +#else +#error Neither CONFIG_MPC5200 or CONFIG_MGT5100 defined +#endif |