diff options
Diffstat (limited to 'board/alaska')
| -rw-r--r-- | board/alaska/Makefile | 44 | ||||
| -rw-r--r-- | board/alaska/README | 482 | ||||
| -rw-r--r-- | board/alaska/alaska.c | 153 | ||||
| -rw-r--r-- | board/alaska/flash.c | 945 |
4 files changed, 0 insertions, 1624 deletions
diff --git a/board/alaska/Makefile b/board/alaska/Makefile deleted file mode 100644 index a21f851..0000000 --- a/board/alaska/Makefile +++ /dev/null @@ -1,44 +0,0 @@ -# -# (C) Copyright 2003-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# 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).o - -COBJS := $(BOARD).o flash.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) -SOBJS := $(addprefix $(obj),$(SOBJS)) - -$(LIB): $(OBJS) - $(call cmd_link_o_target, $(OBJS)) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/board/alaska/README b/board/alaska/README deleted file mode 100644 index 3345073..0000000 --- a/board/alaska/README +++ /dev/null @@ -1,482 +0,0 @@ -Freescale Alaska MPC8220 board -============================== - -TsiChung Liew(Tsi-Chung.Liew@freescale.com) -Created 9/21/04 -=========================================== - - -Changed files: -============== - -- Makefile added MPC8220 and Alaska8220_config -- MAKEALL added MPC8220 and Alaska8220 -- README added CONFIG_MPC8220, Alaska8220_config - -- common/cmd_bdinfo.c added board information members for MPC8220 -- common/cmd_bootm.c added clocks for MPC8220 in do_bootm_linux() - -- include/common.h added CONFIG_MPC8220 - -- include/asm-ppc/u-boot.h added board information members for MPC8220 -- include/asm-ppc/global_data.h added global variables - inp_clk, pci_clk, - vco_clk, pev_clk, flb_clk, and bExtUart - -- arch/powerpc/lib/board.c added CONFIG_MPC8220 support - -- net/eth.c added FEC support for MPC8220 - -Added files: -============ -- board/alaska directory for Alaska MPC8220 -- board/alaska/alaska.c Alaska dram and BATs setup -- board/alaska/extserial.c external serial (debug card serial) support -- board/alaska/flash.c Socket (AMD) and Onboard (INTEL) flash support -- board/alaska/serial.c to determine which int/ext serial to use -- board/alaska/Makefile Makefile -- board/alaska/config.mk config make -- board/alaska/u-boot.lds Linker description - -- arch/powerpc/cpu/mpc8220/dma.h multi-channel dma header file -- arch/powerpc/cpu/mpc8220/dramSetup.h dram setup header file -- arch/powerpc/cpu/mpc8220/fec.h MPC8220 FEC header file -- arch/powerpc/cpu/mpc8220/cpu.c cpu specific code -- arch/powerpc/cpu/mpc8220/cpu_init.c Flexbus ChipSelect and Mux pins setup -- arch/powerpc/cpu/mpc8220/dramSetup.c MPC8220 DDR SDRAM setup -- arch/powerpc/cpu/mpc8220/fec.c MPC8220 FEC driver -- arch/powerpc/cpu/mpc8220/i2c.c MPC8220 I2C driver -- arch/powerpc/cpu/mpc8220/interrupts.c interrupt support (not enable) -- arch/powerpc/cpu/mpc8220/loadtask.c load dma -- arch/powerpc/cpu/mpc8220/speed.c system, pci, flexbus, pev, and cpu clock -- arch/powerpc/cpu/mpc8220/traps.c exception -- arch/powerpc/cpu/mpc8220/uart.c MPC8220 UART driver -- arch/powerpc/cpu/mpc8220/Makefile Makefile -- arch/powerpc/cpu/mpc8220/config.mk config make -- arch/powerpc/cpu/mpc8220/fec_dma_task.S MPC8220 FEC multi-channel dma program -- arch/powerpc/cpu/mpc8220/io.S io functions -- arch/powerpc/cpu/mpc8220/start.S start up - -- include/mpc8220.h - -- include/asm-ppc/immap_8220.h - -- include/configs/Alaska8220.h - - -1. SWITCH SETTINGS -================== -1.1 SW1: 0 - Boot from Socket Flash (AMD) or 1 - Onboard Flash (INTEL) - SW2: 0 - Select MPC8220 UART or 1 - Debug Card UART - SW3: unsed - SW4: 0 - 1284 or 1 - FEC1 - SW5: 0 - PEV or 1 - FEC2 - - -2. MEMORY MAP UNDER U-BOOT AND LINUX KERNEL -=========================================== -2.1. For the initial bringup, we adopted a consistent memory scheme between u-boot and - linux kernel, you can customize it based on your system requirements: - DDR: 0x00000000-0x1fffffff (max 512MB) - MBAR: 0xf0000000-0xf0027fff (128KB) - CPLD: 0xf1000000-0xf103ffff (256KB) - FPGA: 0xf2000000-0xf203ffff (256KB) - Flash: 0xfe000000-0xffffffff (max 32MB) - -3. DEFINITIONS AND COMPILATION -============================== -3.1 Explanation on NEW definitions in include/configs/alaska8220.h - CONFIG_MPC8220 MPC8220 specific - CONFIG_ALASKA8220 Alaska board specific - CONFIG_SYS_MPC8220_CLKIN Define Alaska Input Clock - CONFIG_PSC_CONSOLE Enable MPC8220 UART - CONFIG_EXTUART_CONSOLE Enable External 16552 UART - CONFIG_SYS_AMD_BOOT To determine the u-boot is booted from AMD or Intel - CONFIG_SYS_MBAR MBAR base address - CONFIG_SYS_DEFAULT_MBAR Reset MBAR base address - -3.2 Compilation - export CROSS_COMPILE=cross-compile-prefix - cd u-boot-1-1-x - make distclean - make Alaska8220_config - make - - -4. SCREEN DUMP -============== -4.1 Alaska MPC8220 board - Boot from AMD (NOTE: May not show exactly the same) - -U-Boot 1.1.1 (Sep 22 2004 - 22:14:41) - -CPU: MPC8220 (JTAG ID 1640301d) at 300 MHz - Bus 120 MHz, CPU 300 MHz, PCI 30 MHz, VCO 480 MHz -Board: Alaska MPC8220 Evaluation Board -I2C: 93 kHz, ready -DRAM: 256 MB -Reserving 167k for U-Boot at: 0ffd6000 -FLASH: 16.5 MB -*** Warning - bad CRC, using default environment - -In: serial -Out: serial -Err: serial -Net: FEC ETHERNET -=> flinfo - -Bank # 1: INTEL 28F128J3A - Size: 8 MB in 64 Sectors - Sector Start Addresses: - FE000000 FE020000 FE040000 FE060000 FE080000 - FE0A0000 FE0C0000 FE0E0000 FE100000 FE120000 - FE140000 FE160000 FE180000 FE1A0000 FE1C0000 - FE1E0000 FE200000 FE220000 FE240000 FE260000 - FE280000 FE2A0000 FE2C0000 FE2E0000 FE300000 - FE320000 FE340000 FE360000 FE380000 FE3A0000 - FE3C0000 FE3E0000 FE400000 FE420000 FE440000 - FE460000 FE480000 FE4A0000 FE4C0000 FE4E0000 - FE500000 FE520000 FE540000 FE560000 FE580000 - FE5A0000 FE5C0000 FE5E0000 FE600000 FE620000 - FE640000 FE660000 FE680000 FE6A0000 FE6C0000 - FE6E0000 FE700000 FE720000 FE740000 FE760000 - FE780000 FE7A0000 FE7C0000 FE7E0000 - -Bank # 2: INTEL 28F128J3A - Size: 8 MB in 64 Sectors - Sector Start Addresses: - FE800000 FE820000 FE840000 FE860000 FE880000 - FE8A0000 FE8C0000 FE8E0000 FE900000 FE920000 - FE940000 FE960000 FE980000 FE9A0000 FE9C0000 - FE9E0000 FEA00000 FEA20000 FEA40000 FEA60000 - FEA80000 FEAA0000 FEAC0000 FEAE0000 FEB00000 - FEB20000 FEB40000 FEB60000 FEB80000 FEBA0000 - FEBC0000 FEBE0000 FEC00000 FEC20000 FEC40000 - FEC60000 FEC80000 FECA0000 FECC0000 FECE0000 - FED00000 FED20000 FED40000 FED60000 FED80000 - FEDA0000 FEDC0000 FEDE0000 FEE00000 FEE20000 - FEE40000 FEE60000 FEE80000 FEEA0000 FEEC0000 - FEEE0000 FEF00000 (RO) FEF20000 (RO) FEF40000 FEF60000 - FEF80000 FEFA0000 FEFC0000 FEFE0000 (RO) - -Bank # 3: AMD AMD29F040B - Size: 0 MB in 7 Sectors - Sector Start Addresses: - FFF00000 (RO) FFF10000 (RO) FFF20000 (RO) FFF30000 FFF40000 - FFF50000 FFF60000 - -Bank # 4: AMD AMD29F040B - Size: 0 MB in 1 Sectors - Sector Start Addresses: - FFF70000 (RO) -=> bdinfo - -memstart = 0xF0009800 -memsize = 0x10000000 -flashstart = 0xFFF00000 -flashsize = 0x01080000 -flashoffset = 0x00025000 -sramstart = 0xF0020000 -sramsize = 0x00008000 -bootflags = 0x00000001 -intfreq = 300 MHz -busfreq = 120 MHz -inpfreq = 30 MHz -flbfreq = 30 MHz -pcifreq = 30 MHz -vcofreq = 480 MHz -pevfreq = 81 MHz -ethaddr = 00:E0:0C:BC:E0:60 -eth1addr = 00:E0:0C:BC:E0:61 -IP addr = 192.162.1.2 -baudrate = 115200 bps -=> printenv -bootargs=root=/dev/ram rw -bootdelay=5 -baudrate=115200 -ethaddr=00:e0:0c:bc:e0:60 -eth1addr=00:e0:0c:bc:e0:61 -ipaddr=192.162.1.2 -serverip=192.162.1.1 -gatewayip=192.162.1.1 -netmask=255.255.255.0 -hostname=Alaska -stdin=serial -stdout=serial -stderr=serial -ethact=FEC ETHERNET - -Environment size: 268/65532 bytes -=> setenv ipaddr 192.160.1.2 -=> setenv serverip 192.160.1.1 -=> setenv gatewayip 192.160.1.1 -=> saveenv -Saving Environment to Flash... - -. -Un-Protected 1 sectors -Erasing Flash... -Erasing sector 0 ... done -Erased 1 sectors -Writing to Flash... done - -. -Protected 1 sectors -=> tftp 0x10000 linux.elf -Using FEC ETHERNET device -TFTP from server 192.160.1.1; our IP address is 192.160.1.2; sending through gateway 192.160.1.1 -Filename 'linux.elf'. -Load address: 0x10000 -Loading: invalid RARP header -################################################################# - ################################################################# - ################################################################# - ################################################################# - ################################################################# - ################################################################# - ################################################################# - ################################################################# - ################################################## -done -Bytes transferred = 2917494 (2c8476 hex) -=> bootelf -Loading .text @ 0x00a00000 (23820 bytes) -Loading .data @ 0x00a06000 (2752512 bytes) -Clearing .bss @ 0x00ca6000 (12764 bytes) -## Starting application at 0x00a00000 ... - -Collect some entropy from RAM........done -loaded at: 00A00000 00CA91DC -zimage at: 00A06A93 00AD7756 -initrd at: 00AD8000 00CA5565 -avail ram: 00CAA000 014AA000 - -Linux/PPC load: ip=off console=ttyS0,115200 -Uncompressing Linux...done. -Now booting the kernel -Total memory in system: 256 MB -Memory BAT mapping: BAT2=256Mb, BAT3=0Mb, residual: 0Mb -Linux version 2.4.21-rc1 (r61688@bluesocks.sps.mot.com) (gcc version 3.3.1) #17 Wed Sep 8 11:49:16 CDT 2004 -Motorola Alaska port (C) 2003 Motorola, Inc. -CPLD rev 3 -CPLD switches 0x1b -Set Pin Mux for FEC1 -Set Pin Mux for FEC2 -Alaska Pin Multiplexing: -Port Configuration Register 0 = 0 -Port Configuration Register 1 = 0 -Port Configuration Register 2 = 0 -Port Configuration Register 3 = 50000000 -Port Configuration Register 3 - PCI = 51400180 -Setup Alaska FPGA PIC: -Interrupt Enable Register *(u32) = 0 -Interrupt Status Register = 2f0000 -Interrupt Enable Register in_be32 = 0 -Interrupt Status Register = 2f0000 -Interrupt Enable Register in_le32 = 0 -Interrupt Status Register = 2f00 -Interrupt Enable Register readl = 0 -Interrupt Status Register = 2f00 -Interrupt Enable Register = 0 -Interrupt Status Register = 2f0000 -Setup Alaska PCI Controller: -On node 0 totalpages: 65536 -zone(0): 65536 pages. -zone(1): 0 pages. -zone(2): 0 pages. -Kernel command line: ip=off console=ttyS0,115200 -Using XLB clock (120.00 MHz) to set up decrementer -Calibrating delay loop... 199.88 BogoMIPS -Memory: 254792k available (1476k kernel code, 708k data, 228k init, 0k highmem) -Dentry cache hash table entries: 32768 (order: 6, 262144 bytes) -Inode cache hash table entries: 16384 (order: 5, 131072 bytes) -Mount cache hash table entries: 512 (order: 0, 4096 bytes) -Buffer-cache hash table entries: 16384 (order: 4, 65536 bytes) -Page-cache hash table entries: 65536 (order: 6, 262144 bytes) -POSIX conformance testing by UNIFIX -PCI: Probing PCI hardware -PCI: (pcibios_init) Global-Hose = 0xc029d000 -Scanning bus 00 -Fixups for bus 00 -Bus scan for 00 returning with max=00 -PCI: (pcibios_init) finished pci_scan_bus(hose->first_busno = 0, hose->ops = c01a1a74, hose = c029d000) -PCI: (pcibios_init) PCI Bus Count = 0 =?= Next Bus# = 1 -PCI: (pcibios_init@pci_fixup_irqs) finished machine dependent PCI interrupt routing! -PCI: bridge rsrc 81000000..81ffffff (100), parent c01a7f88 -PCI: bridge rsrc 84000000..87ffffff (200), parent c01a7fa4 -PCI: (pcibios_init) finished allocating and assigning resources! -initDma! -Using 90 DMA buffer descriptors -descUsed f0023600, descriptors f002360c freeSram f0024140 -unmask SDMA tasks: 0xf0008018 = 0x6f000000 -Linux NET4.0 for Linux 2.4 -Based upon Swansea University Computer Society NET3.039 -Initializing RT netlink socket -Starting kswapd -Journalled Block Device driver loaded -JFFS version 1.0, (C) 1999, 2000 Axis Communications AB -JFFS2 version 2.1. (C) 2001 Red Hat, Inc., designed by Axis Communications AB. -pty: 256 Unix98 ptys configured -tracek: Copyright (C) Motorola, 2003. -Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ SERIAL_PCI enabled -ttyS00 at 0xf1001008 (irq = 73) is a ST16650 -ttyS01 at 0xf1001010 (irq = 74) is a ST16650 -elp-fpanel: Copyright (C) Motorola, 2003. -fpanel: fpanelWait timeout -elp-engine: Copyright (C) Motorola, 2003. -Video disabled due to configuration switch 4 -Alpine 1284 driver: Copyright (C) Motorola, 2003. -1284 disabled due to configuration switch 5 -Alpine USB driver: Copyright (C) Motorola, 2003. -OK -USB: Descriptor download completed OK -enable_irq(41) unbalanced -enable_irq(75) unbalanced -elp-dmaram: Copyright (C) Motorola, 2003. -Total memory in system: 256 MB -elp_dmaram: offset is 0x10000000, size is 0 -Xicor NVRAM driver: Copyright (C) Motorola, 2003. -elp-video: Copyright (C) Motorola, 2003. -Video disabled due to configuration switch 4 -elp-pfm: Copyright (C) Motorola, 2003. -paddle: Copyright (C) Motorola, 2001, present. -RAMDISK driver initialized: 16 RAM disks of 12288K size 1024 blocksize -loop: loaded (max 8 devices) -PPP generic driver version 2.4.2 -PPP Deflate Compression module registered -Uniform Multi-Platform E-IDE driver Revision: 7.00beta-2.4 -ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx -init_alaska_mtd: chip probing count 0 -cfi_cmdset_0001: Erase suspend on write enabled -Using buffer write method -init_alaska_mtd: bank1, name:ALASKA0, size:16777216bytes -ALASKA flash0: Using Static image partition definition -Creating 3 MTD partitions on "ALASKA0": -0x00000000-0x00280000 : "kernel" -0x00280000-0x00fe0000 : "user" -0x00fe0000-0x01000000 : "signature" -mgt_fec_module_init -mgt_fec_init() -mgt_fec_init -mgt_init_fec_dev(0xc05f6000,0) -dev c05f6000 fec_priv c05f6160 fec f0009000 -mgt_init_fec_dev(0xc05f6800,1) -dev c05f6800 fec_priv c05f6960 fec f0009800 -NET4: Linux TCP/IP 1.0 for NET4.0 -IP Protocols: ICMP, UDP, TCP, IGMP -IP: routing cache hash table of 2048 buckets, 16Kbytes -TCP: Hash tables configured (established 16384 bind 32768) -NET4: Unix domain sockets 1.0/SMP for Linux NET4.0. -RAMDISK: Compressed image found at block 0 -Freeing initrd memory: 1845k freed -JFFS: Trying to mount a non-mtd device. -VFS: Mounted root (romfs filesystem) readonly. -Freeing unused kernel memory: 228k init -INIT: version 2.78 booting -INIT: Entering runlevel: 1 -"Space, a great big place of unknown stuff." -Dexter, for our MotD. -[01/Jan/1970:00:00:01 +0000] boa: server version Boa/0.94.8.3 -[01/Jan/1970:00:00:01 +0000] boa: server built Sep 7 2004 at 17:40:55. -[01/Jan/1970:00:00:01 +0000] boa: starting server pid=28, port 80 -Mounting flash filesystem, will take a minute... -/etc/rc: line 30: /dev/lp0: No such devish-2.05b# -sh-2.05b# ifup eth0 -client (v0.9.9-pre) started -adapter index 2 -adapter hardware address 00:e0:0c:bc:e0:60 -execle'ing /usr/share/udhcpc/default.script -/sbin/ifconfig eth0 -eth0 Link encap:Ethernet HWaddr 00:E0:0C:BC:E0:60 - BROADCAST MULTICAST MTU:1500 Metric:1 - mgt_fec_open - Rfec request irq -X fec_open: rcv_ring_size 8, xmt_ring_size 8 -packmgt_fec_open(): call netif_start_queue() -ets:0 errors:0 dropped:0 overruns:0 frame:0 - TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 - collisions:0 txqueuelen:100 - RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) - Base address:0x9000 - -/sbin/ifconfig eth0 up -entering raw listen mode -Opening raw socket on ifindex 2 -adding option 0x35 -adding option 0x3d -adding option 0x3c -Sending discover... -Waiting on select... -unrelated/bogus packet -Waiting on select... -oooooh!!! got some! -adding option 0x35 -adding option 0x3d -adding option 0x3c -adding option 0x32 -adding option 0x36 -Sending select for 163.12.48.146... -Waiting on select... -oooooh!!! got some! -Waiting on select... -oooooh!!! got some! -Lease of 163.12.48.146 obtained, lease time 345600 -execle'ing /usr/share/udhcpc/default.script -/sbin/ifconfig eth0 163.12.48.146 netmask 255.255.254.0 -/sbin/ifconfig eth0 up -deleting routers -/sbin/route del default -/sbin/route add default gw 163.12.49.254 dev eth0 -adding dns 163.12.252.230 -adding dns 192.55.22.4 -adding dns 192.5.249.4 -entering none listen mode -sh-2.05b# - -5. REPROGRAM U-BOOT -=================== -5.1 Reprogram u-boot (boot from AMD) - 1. Unprotect the boot sector - => protect off bank 3 - 2. Download new u-boot binary file - => tftp 0x10000 u-boot.bin - 3. Erase bootsector (max 7 sectors) - => erase 0xfff00000 0xfff6ffff - 4. Program the u-boot to flash - => cp.b 0x10000 0xfff00000 - 5. Reset for the new u-boot to take place - => reset - -5.2 Reprogram u-boot (boot from AMD program at INTEL) - 1. Unprotect the boot sector - => protect off bank 2 - 2. Download new u-boot binary file - => tftp 0x10000 u-boot.bin - 3. Erase bootsector (max 7 sectors) - => erase 0xfef00000 0xfefdffff - 4. Program the u-boot to flash - => cp.b 0x10000 0xfef00000 - 5. Reset for the new u-boot to take place - => reset - -5.3 Reprogram u-boot (boot from INTEL) - 1. Unprotect the boot sector - => protect off bank 4 - 2. Download new u-boot binary file - => tftp 0x10000 u-boot.bin - 3. Erase bootsector (max 7 sectors) - => erase 0xfff00000 0xfffdffff - 4. Program the u-boot to flash - => cp.b 0x10000 0xfff00000 - 5. Reset for the new u-boot to take place - => reset - -5.4 Reprogram u-boot (boot from INTEL program at AMD) - 1. Unprotect the boot sector - => protect off bank 1 - 2. Download new u-boot binary file - => tftp 0x10000 u-boot.bin - 3. Erase bootsector (max 7 sectors) - => erase 0xfe080000 0xfe0effff - 4. Program the u-boot to flash - => cp.b 0x10000 0xfe080000 - 5. Reset for the new u-boot to take place - => reset diff --git a/board/alaska/alaska.c b/board/alaska/alaska.c deleted file mode 100644 index 89c1abd..0000000 --- a/board/alaska/alaska.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - * (C) Copyright 2004, Freescale Inc. - * TsiChung Liew, Tsi-Chung.Liew@freescale.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 <mpc8220.h> -#include <asm/processor.h> -#include <asm/mmu.h> - -void setupBat (ulong size) -{ - ulong batu, batl; - int blocksize = 0; - - /* Flash 0 */ -#if defined (CONFIG_SYS_AMD_BOOT) - batu = CONFIG_SYS_FLASH0_BASE | BATU_BL_512K | BPP_RW | BPP_RX; -#else - batu = CONFIG_SYS_FLASH0_BASE | BATU_BL_16M | BPP_RW | BPP_RX; -#endif - batl = CONFIG_SYS_FLASH0_BASE | 0x22; - write_bat (IBAT0, batu, batl); - write_bat (DBAT0, batu, batl); - - /* Flash 1 */ -#if defined (CONFIG_SYS_AMD_BOOT) - batu = CONFIG_SYS_FLASH1_BASE | BATU_BL_16M | BPP_RW | BPP_RX; -#else - batu = CONFIG_SYS_FLASH1_BASE | BATU_BL_512K | BPP_RW | BPP_RX; -#endif - batl = CONFIG_SYS_FLASH1_BASE | 0x22; - write_bat (IBAT1, batu, batl); - write_bat (DBAT1, batu, batl); - - /* CPLD */ - batu = CONFIG_SYS_CPLD_BASE | BATU_BL_512K | BPP_RW | BPP_RX; - batl = CONFIG_SYS_CPLD_BASE | 0x22; - write_bat (IBAT2, 0, 0); - write_bat (DBAT2, batu, batl); - - /* FPGA */ - batu = CONFIG_SYS_FPGA_BASE | BATU_BL_512K | BPP_RW | BPP_RX; - batl = CONFIG_SYS_FPGA_BASE | 0x22; - write_bat (IBAT3, 0, 0); - write_bat (DBAT3, batu, batl); - - /* MBAR - Data only */ - batu = CONFIG_SYS_MBAR | BPP_RW | BPP_RX; - batl = CONFIG_SYS_MBAR | 0x22; - mtspr (IBAT4L, 0); - mtspr (IBAT4U, 0); - mtspr (DBAT4L, batl); - mtspr (DBAT4U, batu); - - /* MBAR - SRAM */ - batu = CONFIG_SYS_SRAM_BASE | BPP_RW | BPP_RX; - batl = CONFIG_SYS_SRAM_BASE | 0x42; - mtspr (IBAT5L, batl); - mtspr (IBAT5U, batu); - mtspr (DBAT5L, batl); - mtspr (DBAT5U, batu); - - if (size <= 0x800000) /* 8MB */ - blocksize = BATU_BL_8M; - else if (size <= 0x1000000) /* 16MB */ - blocksize = BATU_BL_16M; - else if (size <= 0x2000000) /* 32MB */ - blocksize = BATU_BL_32M; - else if (size <= 0x4000000) /* 64MB */ - blocksize = BATU_BL_64M; - else if (size <= 0x8000000) /* 128MB */ - blocksize = BATU_BL_128M; - else if (size <= 0x10000000) /* 256MB */ - blocksize = BATU_BL_256M; - - /* Memory */ - batu = CONFIG_SYS_SDRAM_BASE | blocksize | BPP_RW | BPP_RX; - batl = CONFIG_SYS_SDRAM_BASE | 0x42; - mtspr (IBAT6L, batl); - mtspr (IBAT6U, batu); - mtspr (DBAT6L, batl); - mtspr (DBAT6U, batu); - - /* memory size is less than 256MB */ - if (size <= 0x10000000) { - /* Nothing */ - batu = 0; - batl = 0; - } else { - size -= 0x10000000; - if (size <= 0x800000) /* 8MB */ - blocksize = BATU_BL_8M; - else if (size <= 0x1000000) /* 16MB */ - blocksize = BATU_BL_16M; - else if (size <= 0x2000000) /* 32MB */ - blocksize = BATU_BL_32M; - else if (size <= 0x4000000) /* 64MB */ - blocksize = BATU_BL_64M; - else if (size <= 0x8000000) /* 128MB */ - blocksize = BATU_BL_128M; - else if (size <= 0x10000000) /* 256MB */ - blocksize = BATU_BL_256M; - - batu = (CONFIG_SYS_SDRAM_BASE + - 0x10000000) | blocksize | BPP_RW | BPP_RX; - batl = (CONFIG_SYS_SDRAM_BASE + 0x10000000) | 0x42; - } - - mtspr (IBAT7L, batl); - mtspr (IBAT7U, batu); - mtspr (DBAT7L, batl); - mtspr (DBAT7U, batu); -} - -phys_size_t initdram (int board_type) -{ - ulong size; - - size = dramSetup (); - -/* if iCache ad dCache is defined */ -#if defined(CONFIG_CMD_CACHE) -/* setupBat(size);*/ -#endif - - return size; -} - -int checkboard (void) -{ - puts ("Board: Alaska MPC8220 Evaluation Board\n"); - - return 0; -} diff --git a/board/alaska/flash.c b/board/alaska/flash.c deleted file mode 100644 index 977822a..0000000 --- a/board/alaska/flash.c +++ /dev/null @@ -1,945 +0,0 @@ -/* - * (C) Copyright 2001 - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net - * - * (C) Copyright 2001-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * 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 <linux/byteorder/swab.h> - - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -/* Board support for 1 or 2 flash devices */ -#define FLASH_PORT_WIDTH8 - -typedef unsigned char FLASH_PORT_WIDTH; -typedef volatile unsigned char FLASH_PORT_WIDTHV; - -#define SWAP(x) (x) - -/* Intel-compatible flash ID */ -#define INTEL_COMPAT 0x89 -#define INTEL_ALT 0xB0 - -/* Intel-compatible flash commands */ -#define INTEL_PROGRAM 0x10 -#define INTEL_ERASE 0x20 -#define INTEL_CLEAR 0x50 -#define INTEL_LOCKBIT 0x60 -#define INTEL_PROTECT 0x01 -#define INTEL_STATUS 0x70 -#define INTEL_READID 0x90 -#define INTEL_CONFIRM 0xD0 -#define INTEL_RESET 0xFF - -/* Intel-compatible flash status bits */ -#define INTEL_FINISHED 0x80 -#define INTEL_OK 0x80 - -#define FPW FLASH_PORT_WIDTH -#define FPWV FLASH_PORT_WIDTHV - -#define FLASH_CYCLE1 0x0555 -#define FLASH_CYCLE2 0x02aa - -#define WR_BLOCK 0x20 -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size (FPW * addr, flash_info_t * info); -static int write_data (flash_info_t * info, ulong dest, FPW data); -static int write_data_block (flash_info_t * info, ulong src, ulong dest); -static int write_word_amd (flash_info_t * info, FPWV * dest, FPW data); -static void flash_get_offsets (ulong base, flash_info_t * info); -void inline spin_wheel (void); -static void flash_sync_real_protect (flash_info_t * info); -static unsigned char intel_sector_protected (flash_info_t *info, ushort sector); -static unsigned char same_chip_banks (int bank1, int bank2); - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init (void) -{ - int i; - ulong size = 0; - ulong fsize = 0; - - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { - memset (&flash_info[i], 0, sizeof (flash_info_t)); - - switch (i) { - case 0: - flash_get_size ((FPW *) CONFIG_SYS_FLASH1_BASE, - &flash_info[i]); - flash_get_offsets (CONFIG_SYS_FLASH1_BASE, &flash_info[i]); - break; - case 1: - flash_get_size ((FPW *) CONFIG_SYS_FLASH1_BASE, - &flash_info[i]); - fsize = CONFIG_SYS_FLASH1_BASE + flash_info[i - 1].size; - flash_get_offsets (fsize, &flash_info[i]); - break; - case 2: - flash_get_size ((FPW *) CONFIG_SYS_FLASH0_BASE, - &flash_info[i]); - flash_get_offsets (CONFIG_SYS_FLASH0_BASE, &flash_info[i]); - break; - case 3: - flash_get_size ((FPW *) CONFIG_SYS_FLASH0_BASE, - &flash_info[i]); - fsize = CONFIG_SYS_FLASH0_BASE + flash_info[i - 1].size; - flash_get_offsets (fsize, &flash_info[i]); - break; - default: - panic ("configured to many flash banks!\n"); - break; - } - size += flash_info[i].size; - - /* get the h/w and s/w protection status in sync */ - flash_sync_real_protect(&flash_info[i]); - } - - /* Protect monitor and environment sectors - */ -#if defined (CONFIG_SYS_AMD_BOOT) - flash_protect (FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, - &flash_info[2]); - flash_protect (FLAG_PROTECT_SET, - CONFIG_SYS_INTEL_BASE, - CONFIG_SYS_INTEL_BASE + monitor_flash_len - 1, - &flash_info[1]); -#else - flash_protect (FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, - &flash_info[3]); - flash_protect (FLAG_PROTECT_SET, - CONFIG_SYS_AMD_BASE, - CONFIG_SYS_AMD_BASE + monitor_flash_len - 1, &flash_info[0]); -#endif - - flash_protect (FLAG_PROTECT_SET, - CONFIG_ENV1_ADDR, - CONFIG_ENV1_ADDR + CONFIG_ENV1_SIZE - 1, &flash_info[1]); - flash_protect (FLAG_PROTECT_SET, - CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[3]); - - return size; -} - -/*----------------------------------------------------------------------- - */ -static void flash_get_offsets (ulong base, flash_info_t * info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) - return; - - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD) { - for (i = 0; i < info->sector_count; i++) { - info->start[i] = base + (i * PHYS_AMD_SECT_SIZE); - info->protect[i] = 0; - } - } - - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { - for (i = 0; i < info->sector_count; i++) { - info->start[i] = base + (i * PHYS_INTEL_SECT_SIZE); - } - } -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t * info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_INTEL: - printf ("INTEL "); - break; - case FLASH_MAN_AMD: - printf ("AMD "); - break; - default: - printf ("Unknown Vendor "); - break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_28F128J3A: - printf ("28F128J3A\n"); - break; - - case FLASH_AM040: - printf ("AMD29F040B\n"); - break; - - default: - printf ("Unknown Chip Type\n"); - break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - - printf (" Sector Start Addresses:"); - for (i = 0; i < info->sector_count; ++i) { - if ((i % 5) == 0) - printf ("\n "); - printf (" %08lX%s", - info->start[i], info->protect[i] ? " (RO)" : " "); - } - printf ("\n"); - return; -} - -/* - * The following code cannot be run from FLASH! - */ -static ulong flash_get_size (FPW * addr, flash_info_t * info) -{ - FPWV value; - static int amd = 0; - - /* Write auto select command: read Manufacturer ID */ - /* Write auto select command sequence and test FLASH answer */ - addr[FLASH_CYCLE1] = (FPW) 0x00AA00AA; /* for AMD, Intel ignores this */ - __asm__ ("sync"); - addr[FLASH_CYCLE2] = (FPW) 0x00550055; /* for AMD, Intel ignores this */ - __asm__ ("sync"); - addr[FLASH_CYCLE1] = (FPW) 0x00900090; /* selects Intel or AMD */ - __asm__ ("sync"); - - udelay (100); - - switch (addr[0] & 0xff) { - - case (uchar) AMD_MANUFACT: - info->flash_id = FLASH_MAN_AMD; - value = addr[1]; - break; - - case (uchar) INTEL_MANUFACT: - info->flash_id = FLASH_MAN_INTEL; - value = addr[2]; - break; - - default: - printf ("unknown\n"); - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ - return (0); /* no or unknown flash */ - } - - switch (value) { - - case (FPW) INTEL_ID_28F128J3A: - info->flash_id += FLASH_28F128J3A; - info->sector_count = 64; - info->size = 0x00800000; /* => 16 MB */ - break; - - case (FPW) AMD_ID_LV040B: - info->flash_id += FLASH_AM040; - if (amd == 0) { - info->sector_count = 7; - info->size = 0x00070000; /* => 448 KB */ - amd = 1; - } else { - /* for Environment settings */ - info->sector_count = 1; - info->size = PHYS_AMD_SECT_SIZE; /* => 64 KB */ - amd = 0; - } - break; - - default: - info->flash_id = FLASH_UNKNOWN; - break; - } - - if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) { - printf ("** ERROR: sector count %d > max (%d) **\n", - info->sector_count, CONFIG_SYS_MAX_FLASH_SECT); - info->sector_count = CONFIG_SYS_MAX_FLASH_SECT; - } - - if (value == (FPW) INTEL_ID_28F128J3A) - addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ - else - addr[0] = (FPW) 0x00F000F0; /* restore read mode */ - - return (info->size); -} - - -/* - * This function gets the u-boot flash sector protection status - * (flash_info_t.protect[]) in sync with the sector protection - * status stored in hardware. - */ -static void flash_sync_real_protect (flash_info_t * info) -{ - int i; - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_28F128J3A: - for (i = 0; i < info->sector_count; ++i) { - info->protect[i] = intel_sector_protected(info, i); - } - break; - case FLASH_AM040: - default: - /* no h/w protect support */ - break; - } -} - - -/* - * checks if "sector" in bank "info" is protected. Should work on intel - * strata flash chips 28FxxxJ3x in 8-bit mode. - * Returns 1 if sector is protected (or timed-out while trying to read - * protection status), 0 if it is not. - */ -static unsigned char intel_sector_protected (flash_info_t *info, ushort sector) -{ - FPWV *addr; - FPWV *lock_conf_addr; - ulong start; - unsigned char ret; - - /* - * first, wait for the WSM to be finished. The rationale for - * waiting for the WSM to become idle for at most - * CONFIG_SYS_FLASH_ERASE_TOUT is as follows. The WSM can be busy - * because of: (1) erase, (2) program or (3) lock bit - * configuration. So we just wait for the longest timeout of - * the (1)-(3), i.e. the erase timeout. - */ - - /* wait at least 35ns (W12) before issuing Read Status Register */ - udelay(1); - addr = (FPWV *) info->start[sector]; - *addr = (FPW) INTEL_STATUS; - - start = get_timer (0); - while ((*addr & (FPW) INTEL_FINISHED) != (FPW) INTEL_FINISHED) { - if (get_timer (start) > CONFIG_SYS_FLASH_ERASE_TOUT) { - *addr = (FPW) INTEL_RESET; /* restore read mode */ - printf("WSM busy too long, can't get prot status\n"); - return 1; - } - } - - /* issue the Read Identifier Codes command */ - *addr = (FPW) INTEL_READID; - - /* wait at least 35ns (W12) before reading */ - udelay(1); - - /* Intel example code uses offset of 4 for 8-bit flash */ - lock_conf_addr = (FPWV *) info->start[sector] + 4; - ret = (*lock_conf_addr & (FPW) INTEL_PROTECT) ? 1 : 0; - - /* put flash back in read mode */ - *addr = (FPW) INTEL_RESET; - - return ret; -} - - -/* - * Checks if "bank1" and "bank2" are on the same chip. Returns 1 if they - * are and 0 otherwise. - */ -static unsigned char same_chip_banks (int bank1, int bank2) -{ - unsigned char same_chip[CONFIG_SYS_MAX_FLASH_BANKS][CONFIG_SYS_MAX_FLASH_BANKS] = { - {1, 1, 0, 0}, - {1, 1, 0, 0}, - {0, 0, 1, 1}, - {0, 0, 1, 1} - }; - return same_chip[bank1][bank2]; -} - - -/*----------------------------------------------------------------------- - */ -int flash_erase (flash_info_t * info, int s_first, int s_last) -{ - int flag, prot, sect; - ulong type, start; - int rcode = 0, intel = 0; - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) - printf ("- missing\n"); - else - printf ("- no sectors to erase\n"); - return 1; - } - - type = (info->flash_id & FLASH_VENDMASK); - if ((type != FLASH_MAN_INTEL)) { - type = (info->flash_id & FLASH_VENDMASK); - if ((type != FLASH_MAN_AMD)) { - printf ("Can't erase unknown flash type %08lx - aborted\n", - info->flash_id); - return 1; - } - } - - if (type == FLASH_MAN_INTEL) - intel = 1; - - prot = 0; - for (sect = s_first; sect <= s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) { - printf ("- Warning: %d protected sectors will not be erased!\n", prot); - } else { - printf ("\n"); - } - - start = get_timer (0); - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts (); - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect <= s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - FPWV *addr = (FPWV *) (info->start[sect]); - FPW status; - - printf ("Erasing sector %2d ... ", sect); - - /* arm simple, non interrupt dependent timer */ - start = get_timer (0); - - if (intel) { - *addr = (FPW) 0x00500050; /* clear status register */ - *addr = (FPW) 0x00200020; /* erase setup */ - *addr = (FPW) 0x00D000D0; /* erase confirm */ - } else { - FPWV *base; /* first address in bank */ - - base = (FPWV *) (CONFIG_SYS_AMD_BASE); - base[FLASH_CYCLE1] = (FPW) 0x00AA00AA; /* unlock */ - base[FLASH_CYCLE2] = (FPW) 0x00550055; /* unlock */ - base[FLASH_CYCLE1] = (FPW) 0x00800080; /* erase mode */ - base[FLASH_CYCLE1] = (FPW) 0x00AA00AA; /* unlock */ - base[FLASH_CYCLE2] = (FPW) 0x00550055; /* unlock */ - *addr = (FPW) 0x00300030; /* erase sector */ - } - - while (((status = - *addr) & (FPW) 0x00800080) != - (FPW) 0x00800080) { - if (get_timer (start) > CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - if (intel) { - *addr = (FPW) 0x00B000B0; /* suspend erase */ - *addr = (FPW) 0x00FF00FF; /* reset to read mode */ - } else - *addr = (FPW) 0x00F000F0; /* reset to read mode */ - - rcode = 1; - break; - } - } - - if (intel) { - *addr = (FPW) 0x00500050; /* clear status register cmd. */ - *addr = (FPW) 0x00FF00FF; /* resest to read mode */ - } else - *addr = (FPW) 0x00F000F0; /* reset to read mode */ - - printf (" done\n"); - } - } - if (flag) - enable_interrupts(); - - return rcode; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - * 4 - Flash not identified - */ - -int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) -{ - if (info->flash_id == FLASH_UNKNOWN) { - return 4; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_AMD: - { - FPW data = 0; /* 16 or 32 bit word, matches flash bus width */ - int bytes; /* number of bytes to program in current word */ - int left; /* number of bytes left to program */ - int i, res; - - for (left = cnt, res = 0; - left > 0 && res == 0; - addr += sizeof (data), left -= - sizeof (data) - bytes) { - - bytes = addr & (sizeof (data) - 1); - addr &= ~(sizeof (data) - 1); - - /* combine source and destination data so can program - * an entire word of 16 or 32 bits - */ - for (i = 0; i < sizeof (data); i++) { - data <<= 8; - if (i < bytes || i - bytes >= left) - data += *((uchar *) addr + i); - else - data += *src++; - } - - res = write_word_amd (info, (FPWV *) addr, - data); - } - return res; - } /* case FLASH_MAN_AMD */ - - case FLASH_MAN_INTEL: - { - ulong cp, wp; - FPW data; - int count, i, l, rc, port_width; - - /* get lower word aligned address */ - wp = addr; - port_width = 1; - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i = 0, cp = wp; i < l; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - for (; i < port_width && cnt > 0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - - for (; cnt == 0 && i < port_width; ++i, ++cp) - data = (data << 8) | (*(uchar *) cp); - - if ((rc = - write_data (info, wp, SWAP (data))) != 0) - return (rc); - wp += port_width; - } - - if (cnt > WR_BLOCK) { - /* - * handle word aligned part - */ - count = 0; - while (cnt >= WR_BLOCK) { - - if ((rc = - write_data_block (info, - (ulong) src, - wp)) != 0) - return (rc); - - wp += WR_BLOCK; - src += WR_BLOCK; - cnt -= WR_BLOCK; - - if (count++ > 0x800) { - spin_wheel (); - count = 0; - } - } - } - - if (cnt < WR_BLOCK) { - /* - * handle word aligned part - */ - count = 0; - while (cnt >= port_width) { - data = 0; - for (i = 0; i < port_width; ++i) - data = (data << 8) | *src++; - - if ((rc = - write_data (info, wp, - SWAP (data))) != 0) - return (rc); - - wp += port_width; - cnt -= port_width; - if (count++ > 0x800) { - spin_wheel (); - count = 0; - } - } - } - - if (cnt == 0) - return (0); - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i = 0, cp = wp; i < port_width && cnt > 0; - ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - - for (; i < port_width; ++i, ++cp) - data = (data << 8) | (*(uchar *) cp); - - return (write_data (info, wp, SWAP (data))); - } /* case FLASH_MAN_INTEL */ - - } /* switch */ - return (0); -} - -/*----------------------------------------------------------------------- - * Write a word or halfword to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_data (flash_info_t * info, ulong dest, FPW data) -{ - FPWV *addr = (FPWV *) dest; - ulong start; - int flag, rc = 0; - - /* Check if Flash is (sufficiently) erased */ - if ((*addr & data) != data) { - printf ("not erased at %08lx (%lx)\n", (ulong)addr, (ulong)*addr); - return (2); - } - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts (); - - *addr = (FPW) 0x00400040; /* write setup */ - *addr = data; - - /* arm simple, non interrupt dependent timer */ - start = get_timer (0); - - /* wait while polling the status register */ - while ((*addr & (FPW) 0x00800080) != (FPW) 0x00800080) { - if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - rc = 1; - goto OUT; - } - } - -OUT: - *addr = (FPW)0x00FF00FF; /* restore read mode */ - - if (flag) - enable_interrupts(); - - return rc; -} - -/*----------------------------------------------------------------------- - * Write a word or halfword to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_data_block (flash_info_t * info, ulong src, ulong dest) -{ - FPWV *srcaddr = (FPWV *) src; - FPWV *dstaddr = (FPWV *) dest; - ulong start; - int flag, i, rc = 0; - - /* Check if Flash is (sufficiently) erased */ - for (i = 0; i < WR_BLOCK; i++) - if ((*dstaddr++ & 0xff) != 0xff) { - printf ("not erased at %08lx (%lx)\n", - (ulong)dstaddr, (ulong)*dstaddr); - return (2); - } - - dstaddr = (FPWV *) dest; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts (); - - *dstaddr = (FPW) 0x00e800e8; /* write block setup */ - - /* arm simple, non interrupt dependent timer */ - start = get_timer (0); - - /* wait while polling the status register */ - while ((*dstaddr & (FPW)0x00800080) != (FPW)0x00800080) { - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - rc = 1; - goto OUT; - } - } - - *dstaddr = (FPW) 0x001f001f; /* write 32 to buffer */ - for (i = 0; i < WR_BLOCK; i++) - *dstaddr++ = *srcaddr++; - - dstaddr -= 1; - *dstaddr = (FPW) 0x00d000d0; /* write 32 to buffer */ - - /* arm simple, non interrupt dependent timer */ - start = get_timer (0); - - /* wait while polling the status register */ - while ((*dstaddr & (FPW) 0x00800080) != (FPW) 0x00800080) { - if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - *dstaddr = (FPW) 0x00FF00FF; /* restore read mode */ - return (1); - } - } - -OUT: - *dstaddr = (FPW)0x00FF00FF; /* restore read mode */ - if (flag) - enable_interrupts(); - - return rc; -} - -/*----------------------------------------------------------------------- - * Write a word to Flash for AMD FLASH - * A word is 16 or 32 bits, whichever the bus width of the flash bank - * (not an individual chip) is. - * - * returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_word_amd (flash_info_t * info, FPWV * dest, FPW data) -{ - ulong start; - int flag; - int res = 0; /* result, assume success */ - FPWV *base; /* first address in flash bank */ - - /* Check if Flash is (sufficiently) erased */ - if ((*dest & data) != data) { - return (2); - } - - base = (FPWV *) (CONFIG_SYS_AMD_BASE); - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts (); - - base[FLASH_CYCLE1] = (FPW) 0x00AA00AA; /* unlock */ - base[FLASH_CYCLE2] = (FPW) 0x00550055; /* unlock */ - base[FLASH_CYCLE1] = (FPW) 0x00A000A0; /* selects program mode */ - - *dest = data; /* start programming the data */ - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts (); - - start = get_timer (0); - - /* data polling for D7 */ - while (res == 0 - && (*dest & (FPW) 0x00800080) != (data & (FPW) 0x00800080)) { - if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - *dest = (FPW) 0x00F000F0; /* reset bank */ - res = 1; - } - } - - return (res); -} - -void inline spin_wheel (void) -{ - static int p = 0; - static char w[] = "\\/-"; - - printf ("\010%c", w[p]); - (++p == 3) ? (p = 0) : 0; -} - -/*----------------------------------------------------------------------- - * Set/Clear sector's lock bit, returns: - * 0 - OK - * 1 - Error (timeout, voltage problems, etc.) - */ -int flash_real_protect (flash_info_t * info, long sector, int prot) -{ - ulong start; - int i, j; - int curr_bank; - int bank; - int rc = 0; - FPWV *addr = (FPWV *) (info->start[sector]); - int flag = disable_interrupts (); - - /* - * 29F040B AMD flash does not support software protection/unprotection, - * the only way to protect the AMD flash is marked it as prot bit. - * This flash only support hardware protection, by supply or not supply - * 12vpp to the flash - */ - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD) { - info->protect[sector] = prot; - - return 0; - } - - *addr = INTEL_CLEAR; /* Clear status register */ - if (prot) { /* Set sector lock bit */ - *addr = INTEL_LOCKBIT; /* Sector lock bit */ - *addr = INTEL_PROTECT; /* set */ - } else { /* Clear sector lock bit */ - *addr = INTEL_LOCKBIT; /* All sectors lock bits */ - *addr = INTEL_CONFIRM; /* clear */ - } - - start = get_timer (0); - - while ((*addr & INTEL_FINISHED) != INTEL_FINISHED) { - if (get_timer (start) > CONFIG_SYS_FLASH_UNLOCK_TOUT) { - printf ("Flash lock bit operation timed out\n"); - rc = 1; - break; - } - } - - if (*addr != INTEL_OK) { - printf ("Flash lock bit operation failed at %08X, CSR=%08X\n", - (uint) addr, (uint) * addr); - rc = 1; - } - - if (!rc) - info->protect[sector] = prot; - - /* - * Clear lock bit command clears all sectors lock bits, so - * we have to restore lock bits of protected sectors. - */ - if (!prot) { - /* - * re-locking must be done for all banks that belong on one - * FLASH chip, as all the sectors on the chip were unlocked - * by INTEL_LOCKBIT/INTEL_CONFIRM commands. (let's hope - * that banks never span chips, in particular chips which - * support h/w protection differently). - */ - - /* find the current bank number */ - curr_bank = CONFIG_SYS_MAX_FLASH_BANKS + 1; - for (j = 0; j < CONFIG_SYS_MAX_FLASH_BANKS; ++j) { - if (&flash_info[j] == info) { - curr_bank = j; - } - } - if (curr_bank == CONFIG_SYS_MAX_FLASH_BANKS + 1) { - printf("Error: can't determine bank number!\n"); - } - - for (bank = 0; bank < CONFIG_SYS_MAX_FLASH_BANKS; ++bank) { - if (!same_chip_banks(curr_bank, bank)) { - continue; - } - info = &flash_info[bank]; - for (i = 0; i < info->sector_count; i++) { - if (info->protect[i]) { - start = get_timer (0); - addr = (FPWV *) (info->start[i]); - *addr = INTEL_LOCKBIT; /* Sector lock bit */ - *addr = INTEL_PROTECT; /* set */ - while ((*addr & INTEL_FINISHED) != - INTEL_FINISHED) { - if (get_timer (start) > - CONFIG_SYS_FLASH_UNLOCK_TOUT) { - printf ("Flash lock bit operation timed out\n"); - rc = 1; - break; - } - } - } - } - } - - /* - * get the s/w sector protection status in sync with the h/w, - * in case something went wrong during the re-locking. - */ - flash_sync_real_protect(info); /* resets flash to read mode */ - } - - if (flag) - enable_interrupts (); - - *addr = INTEL_RESET; /* Reset to read array mode */ - - return rc; -} |