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-rw-r--r--board/sbc8548/Makefile55
-rw-r--r--board/sbc8548/config.mk32
-rw-r--r--board/sbc8548/init.S241
-rw-r--r--board/sbc8548/sbc8548.c569
-rw-r--r--board/sbc8548/u-boot.lds149
5 files changed, 1046 insertions, 0 deletions
diff --git a/board/sbc8548/Makefile b/board/sbc8548/Makefile
new file mode 100644
index 0000000..1596525
--- /dev/null
+++ b/board/sbc8548/Makefile
@@ -0,0 +1,55 @@
+#
+# (C) Copyright 2004-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2004 Wind River Systems Inc <www.windriver.com>.
+# Added support for Wind River SBC8560 board
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).a
+
+COBJS := $(BOARD).o
+SOBJS := init.o
+#SOBJS :=
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+clean:
+ rm -f $(OBJS) $(SOBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/sbc8548/config.mk b/board/sbc8548/config.mk
new file mode 100644
index 0000000..c9fa3ad
--- /dev/null
+++ b/board/sbc8548/config.mk
@@ -0,0 +1,32 @@
+#
+# Copyright 2004, 2007 Freescale Semiconductor.
+#
+# 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
+#
+
+#
+# sbc8548 board
+#
+ifndef TEXT_BASE
+TEXT_BASE = 0xfff80000
+endif
+
+PLATFORM_CPPFLAGS += -DCONFIG_E500=1
+PLATFORM_CPPFLAGS += -DCONFIG_MPC85xx=1
+PLATFORM_CPPFLAGS += -DCONFIG_MPC8548=1
diff --git a/board/sbc8548/init.S b/board/sbc8548/init.S
new file mode 100644
index 0000000..cafa214
--- /dev/null
+++ b/board/sbc8548/init.S
@@ -0,0 +1,241 @@
+/*
+ * Copyright 2007 Wind River Systemes, Inc. <www.windriver.com>
+ * Copyright 2007 Embedded Specialties, Inc.
+ *
+ * Copyright 2004 Freescale Semiconductor.
+ * Copyright 2002,2003, Motorola Inc.
+ *
+ * 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 <ppc_asm.tmpl>
+#include <ppc_defs.h>
+#include <asm/cache.h>
+#include <asm/mmu.h>
+#include <config.h>
+#include <mpc85xx.h>
+
+
+/*
+ * TLB0 and TLB1 Entries
+ *
+ * Out of reset, TLB1's Entry 0 maps the highest 4K for CCSRBAR.
+ * However, CCSRBAR is then relocated to CFG_CCSRBAR right after
+ * these TLB entries are established.
+ *
+ * The TLB entries for DDR are dynamically setup in spd_sdram()
+ * and use TLB1 Entries 8 through 15 as needed according to the
+ * size of DDR memory.
+ *
+ * MAS0: tlbsel, esel, nv
+ * MAS1: valid, iprot, tid, ts, tsize
+ * MAS2: epn, x0, x1, w, i, m, g, e
+ * MAS3: rpn, u0-u3, ux, sx, uw, sw, ur, sr
+ */
+
+#define entry_start \
+ mflr r1 ; \
+ bl 0f ;
+
+#define entry_end \
+0: mflr r0 ; \
+ mtlr r1 ; \
+ blr ;
+
+ .section .bootpg, "ax"
+ .globl tlb1_entry
+
+tlb1_entry:
+ entry_start
+
+ /*
+ * Number of TLB0 and TLB1 entries in the following table
+ */
+ .long 13
+
+#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
+ /*
+ * TLB0 4K Non-cacheable, guarded
+ * 0xff700000 4K Initial CCSRBAR mapping
+ *
+ * This ends up at a TLB0 Index==0 entry, and must not collide
+ * with other TLB0 Entries.
+ */
+ .long FSL_BOOKE_MAS0(0, 0, 0)
+ .long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
+ .long FSL_BOOKE_MAS2(CFG_CCSRBAR_DEFAULT, (MAS2_I|MAS2_G))
+ .long FSL_BOOKE_MAS3(CFG_CCSRBAR_DEFAULT, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
+#else
+#error("Update the number of table entries in tlb1_entry")
+#endif
+
+ /*
+ * TLB0 16K Cacheable, non-guarded
+ * 0xe4010000 16K Temporary Global data for initialization
+ *
+ * Use four 4K TLB0 entries. These entries must be cacheable
+ * as they provide the bootstrap memory before the memory
+ * controler and real memory have been configured.
+ *
+ * These entries end up at TLB0 Indicies 0x10, 0x14, 0x18 and 0x1c,
+ * and must not collide with other TLB0 entries.
+ */
+ .long FSL_BOOKE_MAS0(0, 0, 0)
+ .long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
+ .long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR, 0)
+ .long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
+
+ .long FSL_BOOKE_MAS0(0, 0, 0)
+ .long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
+ .long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR + 4 * 1024, 0)
+ .long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR + 4 * 1024, 0,
+ (MAS3_SX|MAS3_SW|MAS3_SR))
+
+ .long FSL_BOOKE_MAS0(0, 0, 0)
+ .long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
+ .long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR + 8 * 1024, 0)
+ .long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR + 8 * 1024, 0,
+ (MAS3_SX|MAS3_SW|MAS3_SR))
+
+ .long FSL_BOOKE_MAS0(0, 0, 0)
+ .long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
+ .long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR + 12 * 1024, 0)
+ .long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR + 12 * 1024, 0,
+ (MAS3_SX|MAS3_SW|MAS3_SR))
+
+ /*
+ * TLB 0: 16M Non-cacheable, guarded
+ * 0xff800000 16M TLB for 8MB FLASH
+ * Out of reset this entry is only 4K.
+ */
+ .long FSL_BOOKE_MAS0(1, 0, 0)
+ .long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_16M)
+ .long FSL_BOOKE_MAS2(CFG_FLASH_BASE, (MAS2_I|MAS2_G))
+ .long FSL_BOOKE_MAS3(CFG_FLASH_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
+
+ /*
+ * TLB 1: 256M Non-cacheable, guarded
+ * 0x80000000 256M PCI1 MEM First half
+ */
+ .long FSL_BOOKE_MAS0(1, 1, 0)
+ .long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
+ .long FSL_BOOKE_MAS2(CFG_PCI1_MEM_BASE, (MAS2_I|MAS2_G))
+ .long FSL_BOOKE_MAS3(CFG_PCI1_MEM_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
+
+ /*
+ * TLB 2: 256M Non-cacheable, guarded
+ * 0x90000000 256M PCI1 MEM Second half
+ */
+ .long FSL_BOOKE_MAS0(1, 2, 0)
+ .long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
+ .long FSL_BOOKE_MAS2(CFG_PCI1_MEM_BASE + 0x10000000, (MAS2_I|MAS2_G))
+ .long FSL_BOOKE_MAS3(CFG_PCI1_MEM_BASE + 0x10000000, 0,
+ (MAS3_SX|MAS3_SW|MAS3_SR))
+
+ /*
+ * TLB 3: 256M Cacheable, non-guarded
+ * 0x0 256M DDR SDRAM
+ */
+ #if !defined(CONFIG_SPD_EEPROM)
+ .long FSL_BOOKE_MAS0(1, 3, 0)
+ .long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
+ .long FSL_BOOKE_MAS2(CFG_DDR_SDRAM_BASE, 0)
+ .long FSL_BOOKE_MAS3(CFG_DDR_SDRAM_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
+ #endif
+
+ /*
+ * TLB 4: 64M Non-cacheable, guarded
+ * 0xe0000000 1M CCSRBAR
+ * 0xe2000000 16M PCI1 IO
+ */
+ .long FSL_BOOKE_MAS0(1, 4, 0)
+ .long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
+ .long FSL_BOOKE_MAS2(CFG_CCSRBAR, (MAS2_I|MAS2_G))
+ .long FSL_BOOKE_MAS3(CFG_CCSRBAR, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
+
+ /*
+ * TLB 5: 64M Cacheable, non-guarded
+ * 0xf0000000 64M LBC SDRAM
+ */
+ .long FSL_BOOKE_MAS0(1, 5, 0)
+ .long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
+ .long FSL_BOOKE_MAS2(CFG_LBC_SDRAM_BASE, 0)
+ .long FSL_BOOKE_MAS3(CFG_LBC_SDRAM_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
+
+ /*
+ * TLB 6: 16M Cacheable, non-guarded
+ * 0xf8000000 1M 7-segment LED display
+ * 0xf8100000 1M User switches
+ * 0xf8300000 1M Board revision
+ * 0xf8b00000 1M EEPROM
+ */
+ .long FSL_BOOKE_MAS0(1, 6, 0)
+ .long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_16M)
+ .long FSL_BOOKE_MAS2(CFG_EPLD_BASE, 0)
+ .long FSL_BOOKE_MAS3(CFG_EPLD_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
+
+ entry_end
+
+/*
+ * LAW(Local Access Window) configuration:
+ *
+ * 0x0000_0000 0x0fff_ffff DDR 256M
+ * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
+ * 0xe000_0000 0xe000_ffff CCSR 1M
+ * 0xe200_0000 0xe2ff_ffff PCI1 IO 16M
+ * 0xf000_0000 0xf7ff_ffff SDRAM 128M
+ * 0xf8b0_0000 0xf80f_ffff EEPROM 1M
+ * 0xfb80_0000 0xff7f_ffff FLASH (2nd bank) 64M
+ * 0xff80_0000 0xffff_ffff FLASH (boot bank) 8M
+ *
+ * Notes:
+ * CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
+ * If flash is 8M at default position (last 8M), no LAW needed.
+ *
+ * The defines below are 1-off of the actual LAWAR0 usage.
+ * So LAWAR3 define uses the LAWAR4 register in the ECM.
+ */
+
+
+#if !defined(CONFIG_SPD_EEPROM)
+ #define LAWBAR0 ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff)
+ #define LAWAR0 (LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_256M))
+#else
+ #define LAWBAR0 0
+ #define LAWAR0 ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_256M)) & ~LAWAR_EN)
+#endif
+
+#define LAWBAR1 ((CFG_PCI1_MEM_BASE>>12) & 0xfffff)
+#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M))
+
+#define LAWBAR2 ((CFG_PCI1_IO_BASE>>12) & 0xfffff)
+#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_16M))
+
+/* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
+#define LAWBAR3 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff)
+#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M))
+
+ .section .bootpg, "ax"
+ .globl law_entry
+
+law_entry:
+ entry_start
+ .long 4
+ .long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2,LAWBAR3,LAWAR3
+ entry_end
diff --git a/board/sbc8548/sbc8548.c b/board/sbc8548/sbc8548.c
new file mode 100644
index 0000000..5e258f5
--- /dev/null
+++ b/board/sbc8548/sbc8548.c
@@ -0,0 +1,569 @@
+/*
+ * Copyright 2007 Wind River Systemes, Inc. <www.windriver.com>
+ * Copyright 2007 Embedded Specialties, Inc.
+ *
+ * Copyright 2004, 2007 Freescale Semiconductor.
+ *
+ * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.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 <pci.h>
+#include <asm/processor.h>
+#include <asm/immap_85xx.h>
+#include <asm/immap_fsl_pci.h>
+#include <spd.h>
+#include <miiphy.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+extern void ddr_enable_ecc(unsigned int dram_size);
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern long int spd_sdram(void);
+
+void local_bus_init(void);
+void sdram_init(void);
+long int fixed_sdram (void);
+
+int board_early_init_f (void)
+{
+ return 0;
+}
+
+int checkboard (void)
+{
+ volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
+ volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR);
+
+ printf ("Board: Wind River SBC8548 Rev. 0x%01x\n",
+ (volatile)(*(u_char *)CFG_BD_REV) >> 4);
+
+ /*
+ * Initialize local bus.
+ */
+ local_bus_init ();
+
+ /*
+ * Fix CPU2 errata: A core hang possible while executing a
+ * msync instruction and a snoopable transaction from an I/O
+ * master tagged to make quick forward progress is present.
+ */
+ ecm->eebpcr |= (1 << 16);
+
+ /*
+ * Hack TSEC 3 and 4 IO voltages.
+ */
+ gur->tsec34ioovcr = 0xe7e0; /* 1110 0111 1110 0xxx */
+
+ ecm->eedr = 0xffffffff; /* clear ecm errors */
+ ecm->eeer = 0xffffffff; /* enable ecm errors */
+ return 0;
+}
+
+long int
+initdram(int board_type)
+{
+ long dram_size = 0;
+
+ puts("Initializing\n");
+
+#if defined(CONFIG_DDR_DLL)
+ {
+ /*
+ * Work around to stabilize DDR DLL MSYNC_IN.
+ * Errata DDR9 seems to have been fixed.
+ * This is now the workaround for Errata DDR11:
+ * Override DLL = 1, Course Adj = 1, Tap Select = 0
+ */
+
+ volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
+
+ gur->ddrdllcr = 0x81000000;
+ asm("sync;isync;msync");
+ udelay(200);
+ }
+#endif
+
+#if defined(CONFIG_SPD_EEPROM)
+ dram_size = spd_sdram ();
+#else
+ dram_size = fixed_sdram ();
+#endif
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+ /*
+ * Initialize and enable DDR ECC.
+ */
+ ddr_enable_ecc(dram_size);
+#endif
+ /*
+ * SDRAM Initialization
+ */
+ sdram_init();
+
+ puts(" DDR: ");
+ return dram_size;
+}
+
+/*
+ * Initialize Local Bus
+ */
+void
+local_bus_init(void)
+{
+ volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
+ volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
+
+ uint clkdiv;
+ uint lbc_hz;
+ sys_info_t sysinfo;
+
+ get_sys_info(&sysinfo);
+ clkdiv = (lbc->lcrr & 0x0f) * 2;
+ lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
+
+ gur->lbiuiplldcr1 = 0x00078080;
+ if (clkdiv == 16) {
+ gur->lbiuiplldcr0 = 0x7c0f1bf0;
+ } else if (clkdiv == 8) {
+ gur->lbiuiplldcr0 = 0x6c0f1bf0;
+ } else if (clkdiv == 4) {
+ gur->lbiuiplldcr0 = 0x5c0f1bf0;
+ }
+
+ lbc->lcrr |= 0x00030000;
+
+ asm("sync;isync;msync");
+
+ lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */
+ lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */
+}
+
+/*
+ * Initialize SDRAM memory on the Local Bus.
+ */
+void
+sdram_init(void)
+{
+#if defined(CFG_OR3_PRELIM) && defined(CFG_BR3_PRELIM)
+
+ uint idx;
+ volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
+ uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE;
+ uint lsdmr_common;
+
+ puts(" SDRAM: ");
+
+ print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
+
+ /*
+ * Setup SDRAM Base and Option Registers
+ */
+ lbc->or3 = CFG_OR3_PRELIM;
+ asm("msync");
+
+ lbc->br3 = CFG_BR3_PRELIM;
+ asm("msync");
+
+ lbc->lbcr = CFG_LBC_LBCR;
+ asm("msync");
+
+
+ lbc->lsrt = CFG_LBC_LSRT;
+ lbc->mrtpr = CFG_LBC_MRTPR;
+ asm("msync");
+
+ /*
+ * MPC8548 uses "new" 15-16 style addressing.
+ */
+ lsdmr_common = CFG_LBC_LSDMR_COMMON;
+ lsdmr_common |= CFG_LBC_LSDMR_BSMA1516;
+
+ /*
+ * Issue PRECHARGE ALL command.
+ */
+ lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_PCHALL;
+ asm("sync;msync");
+ *sdram_addr = 0xff;
+ ppcDcbf((unsigned long) sdram_addr);
+ udelay(100);
+
+ /*
+ * Issue 8 AUTO REFRESH commands.
+ */
+ for (idx = 0; idx < 8; idx++) {
+ lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_ARFRSH;
+ asm("sync;msync");
+ *sdram_addr = 0xff;
+ ppcDcbf((unsigned long) sdram_addr);
+ udelay(100);
+ }
+
+ /*
+ * Issue 8 MODE-set command.
+ */
+ lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_MRW;
+ asm("sync;msync");
+ *sdram_addr = 0xff;
+ ppcDcbf((unsigned long) sdram_addr);
+ udelay(100);
+
+ /*
+ * Issue NORMAL OP command.
+ */
+ lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_NORMAL;
+ asm("sync;msync");
+ *sdram_addr = 0xff;
+ ppcDcbf((unsigned long) sdram_addr);
+ udelay(200); /* Overkill. Must wait > 200 bus cycles */
+
+#endif /* enable SDRAM init */
+}
+
+#if defined(CFG_DRAM_TEST)
+int
+testdram(void)
+{
+ uint *pstart = (uint *) CFG_MEMTEST_START;
+ uint *pend = (uint *) CFG_MEMTEST_END;
+ uint *p;
+
+ printf("Testing DRAM from 0x%08x to 0x%08x\n",
+ CFG_MEMTEST_START,
+ CFG_MEMTEST_END);
+
+ printf("DRAM test phase 1:\n");
+ for (p = pstart; p < pend; p++)
+ *p = 0xaaaaaaaa;
+
+ for (p = pstart; p < pend; p++) {
+ if (*p != 0xaaaaaaaa) {
+ printf ("DRAM test fails at: %08x\n", (uint) p);
+ return 1;
+ }
+ }
+
+ printf("DRAM test phase 2:\n");
+ for (p = pstart; p < pend; p++)
+ *p = 0x55555555;
+
+ for (p = pstart; p < pend; p++) {
+ if (*p != 0x55555555) {
+ printf ("DRAM test fails at: %08x\n", (uint) p);
+ return 1;
+ }
+ }
+
+ printf("DRAM test passed.\n");
+ return 0;
+}
+#endif
+
+#if !defined(CONFIG_SPD_EEPROM)
+/*************************************************************************
+ * fixed_sdram init -- doesn't use serial presence detect.
+ * assumes 256MB DDR2 SDRAM SODIMM, without ECC, running at DDR400 speed.
+ ************************************************************************/
+long int fixed_sdram (void)
+{
+ #define CFG_DDR_CONTROL 0xc300c000
+
+ volatile ccsr_ddr_t *ddr = (void *)(CFG_MPC85xx_DDR_ADDR);
+
+ ddr->cs0_bnds = 0x0000007f;
+ ddr->cs1_bnds = 0x008000ff;
+ ddr->cs2_bnds = 0x00000000;
+ ddr->cs3_bnds = 0x00000000;
+ ddr->cs0_config = 0x80010101;
+ ddr->cs1_config = 0x80010101;
+ ddr->cs2_config = 0x00000000;
+ ddr->cs3_config = 0x00000000;
+ ddr->ext_refrec = 0x00000000;
+ ddr->timing_cfg_0 = 0x00220802;
+ ddr->timing_cfg_1 = 0x38377322;
+ ddr->timing_cfg_2 = 0x0fa044C7;
+ ddr->sdram_cfg = 0x4300C000;
+ ddr->sdram_cfg_2 = 0x24401000;
+ ddr->sdram_mode = 0x23C00542;
+ ddr->sdram_mode_2 = 0x00000000;
+ ddr->sdram_interval = 0x05080100;
+ ddr->sdram_md_cntl = 0x00000000;
+ ddr->sdram_data_init = 0x00000000;
+ ddr->sdram_clk_cntl = 0x03800000;
+ asm("sync;isync;msync");
+ udelay(500);
+
+ #if defined (CONFIG_DDR_ECC)
+ /* Enable ECC checking */
+ ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000);
+ #else
+ ddr->sdram_cfg = CFG_DDR_CONTROL;
+ #endif
+
+ return CFG_SDRAM_SIZE * 1024 * 1024;
+}
+#endif
+
+#if defined(CONFIG_PCI) || defined(CONFIG_PCI1)
+/* For some reason the Tundra PCI bridge shows up on itself as a
+ * different device. Work around that by refusing to configure it.
+ */
+void dummy_func(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) { }
+
+static struct pci_config_table pci_sbc8548_config_table[] = {
+ {0x10e3, 0x0513, PCI_ANY_ID, 1, 3, PCI_ANY_ID, dummy_func, {0,0,0}},
+ {0x1106, 0x0686, PCI_ANY_ID, 1, VIA_ID, 0, mpc85xx_config_via, {0,0,0}},
+ {0x1106, 0x0571, PCI_ANY_ID, 1, VIA_ID, 1,
+ mpc85xx_config_via_usbide, {0,0,0}},
+ {0x1105, 0x3038, PCI_ANY_ID, 1, VIA_ID, 2,
+ mpc85xx_config_via_usb, {0,0,0}},
+ {0x1106, 0x3038, PCI_ANY_ID, 1, VIA_ID, 3,
+ mpc85xx_config_via_usb2, {0,0,0}},
+ {0x1106, 0x3058, PCI_ANY_ID, 1, VIA_ID, 5,
+ mpc85xx_config_via_power, {0,0,0}},
+ {0x1106, 0x3068, PCI_ANY_ID, 1, VIA_ID, 6,
+ mpc85xx_config_via_ac97, {0,0,0}},
+ {},
+};
+
+static struct pci_controller pci1_hose = {
+ config_table: pci_sbc8548_config_table};
+#endif /* CONFIG_PCI */
+
+#ifdef CONFIG_PCI2
+static struct pci_controller pci2_hose;
+#endif /* CONFIG_PCI2 */
+
+#ifdef CONFIG_PCIE1
+static struct pci_controller pcie1_hose;
+#endif /* CONFIG_PCIE1 */
+
+int first_free_busno=0;
+
+void
+pci_init_board(void)
+{
+ volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
+
+#ifdef CONFIG_PCI1
+{
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
+ extern void fsl_pci_init(struct pci_controller *hose);
+ struct pci_controller *hose = &pci1_hose;
+ struct pci_config_table *table;
+
+ uint pci_32 = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32; /* PORDEVSR[15] */
+ uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */
+ uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */
+
+ uint pci_agent = (host_agent == 3) || (host_agent == 4 ) || (host_agent == 6);
+
+ uint pci_speed = get_clock_freq (); /* PCI PSPEED in [4:5] */
+
+ if (!(gur->devdisr & MPC85xx_DEVDISR_PCI1)) {
+ printf (" PCI: %d bit, %s MHz, %s, %s, %s\n",
+ (pci_32) ? 32 : 64,
+ (pci_speed == 33333000) ? "33" :
+ (pci_speed == 66666000) ? "66" : "unknown",
+ pci_clk_sel ? "sync" : "async",
+ pci_agent ? "agent" : "host",
+ pci_arb ? "arbiter" : "external-arbiter"
+ );
+
+
+ /* inbound */
+ pci_set_region(hose->regions + 0,
+ CFG_PCI_MEMORY_BUS,
+ CFG_PCI_MEMORY_PHYS,
+ CFG_PCI_MEMORY_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+
+ /* outbound memory */
+ pci_set_region(hose->regions + 1,
+ CFG_PCI1_MEM_BASE,
+ CFG_PCI1_MEM_PHYS,
+ CFG_PCI1_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region(hose->regions + 2,
+ CFG_PCI1_IO_BASE,
+ CFG_PCI1_IO_PHYS,
+ CFG_PCI1_IO_SIZE,
+ PCI_REGION_IO);
+ hose->region_count = 3;
+
+ /* relocate config table pointers */
+ hose->config_table = \
+ (struct pci_config_table *)((uint)hose->config_table + gd->reloc_off);
+ for (table = hose->config_table; table && table->vendor; table++)
+ table->config_device += gd->reloc_off;
+
+ hose->first_busno=first_free_busno;
+ pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
+
+ fsl_pci_init(hose);
+ first_free_busno=hose->last_busno+1;
+ printf ("PCI on bus %02x - %02x\n",hose->first_busno,hose->last_busno);
+#ifdef CONFIG_PCIX_CHECK
+ if (!(gur->pordevsr & PORDEVSR_PCI)) {
+ /* PCI-X init */
+ if (CONFIG_SYS_CLK_FREQ < 66000000)
+ printf("PCI-X will only work at 66 MHz\n");
+
+ reg16 = PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ
+ | PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E;
+ pci_hose_write_config_word(hose, bus, PCIX_COMMAND, reg16);
+ }
+#endif
+ } else {
+ printf (" PCI: disabled\n");
+ }
+}
+#else
+ gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
+#endif
+
+#ifdef CONFIG_PCI2
+{
+ uint pci2_clk_sel = gur->porpllsr & 0x4000; /* PORPLLSR[17] */
+ uint pci_dual = get_pci_dual (); /* PCI DUAL in CM_PCI[3] */
+ if (pci_dual) {
+ printf (" PCI2: 32 bit, 66 MHz, %s\n",
+ pci2_clk_sel ? "sync" : "async");
+ } else {
+ printf (" PCI2: disabled\n");
+ }
+}
+#else
+ gur->devdisr |= MPC85xx_DEVDISR_PCI2; /* disable */
+#endif /* CONFIG_PCI2 */
+
+#ifdef CONFIG_PCIE1
+{
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE1_ADDR;
+ extern void fsl_pci_init(struct pci_controller *hose);
+ struct pci_controller *hose = &pcie1_hose;
+ int pcie_ep = (host_agent == 0) || (host_agent == 2 ) || (host_agent == 3);
+
+ int pcie_configured = io_sel >= 1;
+
+ if (pcie_configured && !(gur->devdisr & MPC85xx_DEVDISR_PCIE)){
+ printf ("\n PCIE connected to slot as %s (base address %x)",
+ pcie_ep ? "End Point" : "Root Complex",
+ (uint)pci);
+
+ if (pci->pme_msg_det) {
+ pci->pme_msg_det = 0xffffffff;
+ debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
+ }
+ printf ("\n");
+
+ /* inbound */
+ pci_set_region(hose->regions + 0,
+ CFG_PCI_MEMORY_BUS,
+ CFG_PCI_MEMORY_PHYS,
+ CFG_PCI_MEMORY_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+ /* outbound memory */
+ pci_set_region(hose->regions + 1,
+ CFG_PCIE1_MEM_BASE,
+ CFG_PCIE1_MEM_PHYS,
+ CFG_PCIE1_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region(hose->regions + 2,
+ CFG_PCIE1_IO_BASE,
+ CFG_PCIE1_IO_PHYS,
+ CFG_PCIE1_IO_SIZE,
+ PCI_REGION_IO);
+
+ hose->region_count = 3;
+
+ hose->first_busno=first_free_busno;
+ pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
+
+ fsl_pci_init(hose);
+ printf ("PCIE on bus %d - %d\n",hose->first_busno,hose->last_busno);
+
+ first_free_busno=hose->last_busno+1;
+
+ } else {
+ printf (" PCIE: disabled\n");
+ }
+ }
+#else
+ gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
+#endif
+
+}
+
+int last_stage_init(void)
+{
+ return 0;
+}
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+void
+ft_pci_setup(void *blob, bd_t *bd)
+{
+ int node, tmp[2];
+ const char *path;
+
+ node = fdt_path_offset(blob, "/aliases");
+ tmp[0] = 0;
+ if (node >= 0) {
+#ifdef CONFIG_PCI1
+ path = fdt_getprop(blob, node, "pci0", NULL);
+ if (path) {
+ tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
+ do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
+ }
+#endif
+#ifdef CONFIG_PCIE1
+ path = fdt_getprop(blob, node, "pci1", NULL);
+ if (path) {
+ tmp[1] = pcie1_hose.last_busno - pcie1_hose.first_busno;
+ do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
+ }
+#endif
+ }
+}
+#endif
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+void
+ft_board_setup(void *blob, bd_t *bd)
+{
+ ft_cpu_setup(blob, bd);
+#ifdef CONFIG_PCI
+ ft_pci_setup(blob, bd);
+#endif
+}
+#endif
+
diff --git a/board/sbc8548/u-boot.lds b/board/sbc8548/u-boot.lds
new file mode 100644
index 0000000..4cd177e
--- /dev/null
+++ b/board/sbc8548/u-boot.lds
@@ -0,0 +1,149 @@
+/*
+ * Copyright 2004, 2007 Freescale Semiconductor.
+ *
+ * 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
+ */
+
+OUTPUT_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+SECTIONS
+{
+ .resetvec 0xFFFFFFFC :
+ {
+ *(.resetvec)
+ } = 0xffff
+
+ .bootpg 0xFFFFF000 :
+ {
+ cpu/mpc85xx/start.o (.bootpg)
+ board/sbc8548/init.o (.bootpg)
+ } = 0xffff
+
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ cpu/mpc85xx/start.o (.text)
+ board/sbc8548/init.o (.text)
+ cpu/mpc85xx/traps.o (.text)
+ cpu/mpc85xx/interrupts.o (.text)
+ cpu/mpc85xx/cpu_init.o (.text)
+ cpu/mpc85xx/cpu.o (.text)
+ drivers/net/tsec.o (.text)
+ cpu/mpc85xx/speed.o (.text)
+ common/dlmalloc.o (.text)
+ lib_generic/crc32.o (.text)
+ lib_ppc/extable.o (.text)
+ lib_generic/zlib.o (.text)
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ *(.rodata.str1.4)
+ *(.eh_frame)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x00FF) & 0xFFFFFF00;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
+ __fixup_entries = (. - _FIXUP_TABLE_) >> 2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ . = .;
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(256);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(256);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
generated by cgit v1.1 at 2024-12-21 02:50:30 +0000