Wolfgang Denk
15 years ago
commit
ee1702d75a
@ -0,0 +1,32 @@ |
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#
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# Author: Grzegorz Bernacki, Semihalf, gjb@semihalf.com
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#
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include $(TOPDIR)/config.mk |
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LIB = $(obj)lib$(BOARD).a
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COBJS := $(BOARD).o
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SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS))
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SOBJS := $(addprefix $(obj),$(SOBJS))
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$(LIB): $(obj).depend $(OBJS) |
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$(AR) $(ARFLAGS) $@ $(OBJS)
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clean: |
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rm -f $(SOBJS) $(OBJS)
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distclean: clean |
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rm -f $(LIB) core *.bak .depend
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk |
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sinclude $(obj).depend |
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#########################################################################
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@ -0,0 +1,24 @@ |
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#
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# Author: Grzegorz Bernacki, Semihalf, gjb@semihalf.com
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#
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#
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# digsyMTC board:
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#
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# Valid values for TEXT_BASE are:
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#
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# 0xFFF00000 boot high (standard configuration)
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# 0xFE000000 boot low
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# 0x00100000 boot from RAM (for testing only)
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#
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sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp |
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ifndef TEXT_BASE |
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## Standard: boot high
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TEXT_BASE = 0xFFF00000
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## For testing: boot from RAM
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# TEXT_BASE = 0x00100000
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endif |
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PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board
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@ -0,0 +1,307 @@ |
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/*
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* (C) Copyright 2003 |
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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* |
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* (C) Copyright 2004 |
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* Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com. |
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* |
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* (C) Copyright 2005-2009 |
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* Modified for InterControl digsyMTC MPC5200 board by |
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* Frank Bodammer, GCD Hard- & Software GmbH, |
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* frank.bodammer@gcd-solutions.de |
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* |
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* (C) Copyright 2009 |
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* Grzegorz Bernacki, Semihalf, gjb@semihalf.com |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#include <common.h> |
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#include <mpc5xxx.h> |
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#include <net.h> |
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#include <pci.h> |
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#include <asm/processor.h> |
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#include <asm/io.h> |
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#include "eeprom.h" |
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#include "is42s16800a-7t.h" |
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DECLARE_GLOBAL_DATA_PTR; |
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extern int usb_cpu_init(void); |
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#ifndef CONFIG_SYS_RAMBOOT |
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static void sdram_start(int hi_addr) |
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{ |
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long hi_addr_bit = hi_addr ? 0x01000000 : 0; |
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long control = SDRAM_CONTROL | hi_addr_bit; |
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/* unlock mode register */ |
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out_be32((void *)MPC5XXX_SDRAM_CTRL, control | 0x80000000); |
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/* precharge all banks */ |
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out_be32((void *)MPC5XXX_SDRAM_CTRL, control | 0x80000002); |
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/* auto refresh */ |
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out_be32((void *)MPC5XXX_SDRAM_CTRL, control | 0x80000004); |
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/* set mode register */ |
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out_be32((void *)MPC5XXX_SDRAM_MODE, SDRAM_MODE); |
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/* normal operation */ |
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out_be32((void *)MPC5XXX_SDRAM_CTRL, control); |
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} |
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#endif |
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/*
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* ATTENTION: Although partially referenced initdram does NOT make real use |
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* use of CONFIG_SYS_SDRAM_BASE. The code does not work if |
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* CONFIG_SYS_SDRAM_BASE is something else than 0x00000000. |
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*/ |
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phys_size_t initdram(int board_type) |
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{ |
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ulong dramsize = 0; |
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ulong dramsize2 = 0; |
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uint svr, pvr; |
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#ifndef CONFIG_SYS_RAMBOOT |
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ulong test1, test2; |
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/* setup SDRAM chip selects */ |
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out_be32((void *)MPC5XXX_SDRAM_CS0CFG, 0x0000001C); /* 512MB at 0x0 */ |
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out_be32((void *)MPC5XXX_SDRAM_CS1CFG, 0x80000000); /* disabled */ |
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/* setup config registers */ |
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out_be32((void *)MPC5XXX_SDRAM_CONFIG1, SDRAM_CONFIG1); |
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out_be32((void *)MPC5XXX_SDRAM_CONFIG2, SDRAM_CONFIG2); |
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/* find RAM size using SDRAM CS0 only */ |
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sdram_start(0); |
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test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x08000000); |
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sdram_start(1); |
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test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x08000000); |
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if (test1 > test2) { |
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sdram_start(0); |
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dramsize = test1; |
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} else { |
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dramsize = test2; |
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} |
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/* memory smaller than 1MB is impossible */ |
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if (dramsize < (1 << 20)) |
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dramsize = 0; |
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/* set SDRAM CS0 size according to the amount of RAM found */ |
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if (dramsize > 0) { |
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out_be32((void *)MPC5XXX_SDRAM_CS0CFG, |
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(0x13 + __builtin_ffs(dramsize >> 20) - 1)); |
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} else { |
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out_be32((void *)MPC5XXX_SDRAM_CS0CFG, 0); /* disabled */ |
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} |
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/* let SDRAM CS1 start right after CS0 */ |
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out_be32((void *)MPC5XXX_SDRAM_CS1CFG, dramsize + 0x0000001C); |
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/* find RAM size using SDRAM CS1 only */ |
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test1 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize), |
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0x08000000); |
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dramsize2 = test1; |
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/* memory smaller than 1MB is impossible */ |
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if (dramsize2 < (1 << 20)) |
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dramsize2 = 0; |
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/* set SDRAM CS1 size according to the amount of RAM found */ |
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if (dramsize2 > 0) { |
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out_be32((void *)MPC5XXX_SDRAM_CS1CFG, (dramsize | |
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(0x13 + __builtin_ffs(dramsize2 >> 20) - 1))); |
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} else { |
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out_be32((void *)MPC5XXX_SDRAM_CS1CFG, dramsize); /* disabled */ |
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} |
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#else /* CONFIG_SYS_RAMBOOT */ |
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/* retrieve size of memory connected to SDRAM CS0 */ |
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dramsize = in_be32((void *)MPC5XXX_SDRAM_CS0CFG) & 0xFF; |
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if (dramsize >= 0x13) |
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dramsize = (1 << (dramsize - 0x13)) << 20; |
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else |
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dramsize = 0; |
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/* retrieve size of memory connected to SDRAM CS1 */ |
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dramsize2 = in_be32((void *)MPC5XXX_SDRAM_CS1CFG) & 0xFF; |
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if (dramsize2 >= 0x13) |
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dramsize2 = (1 << (dramsize2 - 0x13)) << 20; |
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else |
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dramsize2 = 0; |
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#endif /* CONFIG_SYS_RAMBOOT */ |
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/*
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* On MPC5200B we need to set the special configuration delay in the |
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* DDR controller. Please refer to Freescale's AN3221 "MPC5200B SDRAM |
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* Initialization and Configuration", 3.3.1 SDelay--MBAR + 0x0190: |
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* |
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* "The SDelay should be written to a value of 0x00000004. It is |
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* required to account for changes caused by normal wafer processing |
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* parameters." |
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*/ |
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svr = get_svr(); |
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pvr = get_pvr(); |
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if ((SVR_MJREV(svr) >= 2) && |
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(PVR_MAJ(pvr) == 1) && (PVR_MIN(pvr) == 4)) |
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out_be32((void *)MPC5XXX_SDRAM_SDELAY, 0x04); |
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return dramsize + dramsize2; |
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} |
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int checkboard(void) |
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{ |
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char *s = getenv("serial#"); |
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puts ("Board: InterControl digsyMTC"); |
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if (s != NULL) { |
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puts(", "); |
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puts(s); |
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} |
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putc('\n'); |
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return 0; |
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} |
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int board_early_init_r(void) |
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{ |
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/*
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* Now, when we are in RAM, enable flash write access for detection |
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* process. Note that CS_BOOT cannot be cleared when executing in |
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* flash. |
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*/ |
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/* disable CS_BOOT */ |
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clrbits_be32((void *)MPC5XXX_ADDECR, (1 << 25)); |
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/* enable CS1 */ |
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setbits_be32((void *)MPC5XXX_ADDECR, (1 << 17)); |
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/* enable CS0 */ |
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setbits_be32((void *)MPC5XXX_ADDECR, (1 << 16)); |
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#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) |
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/* Low level USB init, required for proper kernel operation */ |
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usb_cpu_init(); |
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#endif |
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return (0); |
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} |
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void board_get_enetaddr (uchar * enet) |
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{ |
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ushort read = 0; |
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ushort addr_of_eth_addr = 0; |
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ushort len_sys = 0; |
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ushort len_sys_cfg = 0; |
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/* check identification word */ |
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eeprom_read(EEPROM_ADDR, EEPROM_ADDR_IDENT, (uchar *)&read, 2); |
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if (read != EEPROM_IDENT) |
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return; |
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/* calculate offset of config area */ |
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eeprom_read(EEPROM_ADDR, EEPROM_ADDR_LEN_SYS, (uchar *)&len_sys, 2); |
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eeprom_read(EEPROM_ADDR, EEPROM_ADDR_LEN_SYSCFG, |
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(uchar *)&len_sys_cfg, 2); |
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addr_of_eth_addr = (len_sys + len_sys_cfg + EEPROM_ADDR_ETHADDR) << 1; |
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if (addr_of_eth_addr >= EEPROM_LEN) |
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return; |
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eeprom_read(EEPROM_ADDR, addr_of_eth_addr, enet, 6); |
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} |
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int misc_init_r(void) |
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{ |
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uchar enetaddr[6]; |
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if (!eth_getenv_enetaddr("ethaddr", enetaddr)) { |
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board_get_enetaddr(enetaddr); |
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eth_setenv_enetaddr("ethaddr", enetaddr); |
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} |
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return 0; |
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} |
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#ifdef CONFIG_PCI |
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static struct pci_controller hose; |
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extern void pci_mpc5xxx_init(struct pci_controller *); |
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void pci_init_board(void) |
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{ |
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pci_mpc5xxx_init(&hose); |
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} |
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#endif |
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#ifdef CONFIG_CMD_IDE |
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#ifdef CONFIG_IDE_RESET |
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void init_ide_reset(void) |
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{ |
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debug ("init_ide_reset\n"); |
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/* set gpio output value to 1 */ |
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setbits_be32((void *)MPC5XXX_WU_GPIO_DATA_O, (1 << 25)); |
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/* open drain output */ |
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setbits_be32((void *)MPC5XXX_WU_GPIO_ODE, (1 << 25)); |
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/* direction output */ |
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setbits_be32((void *)MPC5XXX_WU_GPIO_DIR, (1 << 25)); |
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/* enable gpio */ |
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setbits_be32((void *)MPC5XXX_WU_GPIO_ENABLE, (1 << 25)); |
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} |
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void ide_set_reset(int idereset) |
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{ |
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debug ("ide_reset(%d)\n", idereset); |
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/* set gpio output value to 0 */ |
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clrbits_be32((void *)MPC5XXX_WU_GPIO_DATA_O, (1 << 25)); |
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/* open drain output */ |
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setbits_be32((void *)MPC5XXX_WU_GPIO_ODE, (1 << 25)); |
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/* direction output */ |
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setbits_be32((void *)MPC5XXX_WU_GPIO_DIR, (1 << 25)); |
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/* enable gpio */ |
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setbits_be32((void *)MPC5XXX_WU_GPIO_ENABLE, (1 << 25)); |
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udelay(10000); |
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|
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/* set gpio output value to 1 */ |
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setbits_be32((void *)MPC5XXX_WU_GPIO_DATA_O, (1 << 25)); |
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/* open drain output */ |
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setbits_be32((void *)MPC5XXX_WU_GPIO_ODE, (1 << 25)); |
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/* direction output */ |
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setbits_be32((void *)MPC5XXX_WU_GPIO_DIR, (1 << 25)); |
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/* enable gpio */ |
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setbits_be32((void *)MPC5XXX_WU_GPIO_ENABLE, (1 << 25)); |
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} |
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#endif /* CONFIG_IDE_RESET */ |
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#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) |
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void ft_board_setup(void *blob, bd_t *bd) |
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{ |
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ft_cpu_setup(blob, bd); |
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} |
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#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */ |
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|
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#endif /* CONFIG_CMD_IDE */ |
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@ -0,0 +1,32 @@ |
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/*
|
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* (C) Copyright 2009 Semihalf. |
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* Written by: Grzegorz Bernacki <gjb@semihalf.com> |
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* |
||||
* 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 anty 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 |
||||
* |
||||
*/ |
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#ifndef CMD_EEPROM_H |
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#define CMD_EEPROM_H |
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|
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#define EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR |
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#define EEPROM_LEN 1024 /* eeprom length */ |
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#define EEPROM_IDENT 2408 /* identification word */ |
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#define EEPROM_ADDR_IDENT 0 /* identification word offset */ |
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#define EEPROM_ADDR_LEN_SYS 2 /* system area lenght offset */ |
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#define EEPROM_ADDR_LEN_SYSCFG 4 /* system config area length offset */ |
||||
#define EEPROM_ADDR_ETHADDR 23 /* ethernet addres offset */ |
||||
|
||||
#endif |
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@ -0,0 +1,28 @@ |
||||
/*
|
||||
* (C) Copyright 2004-2009 |
||||
* 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_MODE 0x00CD0000 |
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#define SDRAM_CONTROL 0x505F0000 |
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#define SDRAM_CONFIG1 0xD2322900 |
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#define SDRAM_CONFIG2 0x8AD70000 |
||||
|
||||
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