* Patch by Bernhard Kuhn, 28 Oct 2003:
Add low boot support for MPC5200 * Fix problem with dual PCMCIA support (NSCU) * Fix MPC5200 I2C initialization function
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wdenk
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11
CHANGELOG
11
CHANGELOG
@ -1,3 +1,14 @@
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======================================================================
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Changes since U-Boot 1.0.0:
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======================================================================
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* Patch by Bernhard Kuhn, 28 Oct 2003:
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Add low boot support for MPC5200
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* Fix problem with dual PCMCIA support (NSCU)
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* Fix MPC5200 I2C initialization function
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======================================================================
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Changes for U-Boot 1.0.0:
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======================================================================
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18
Makefile
18
Makefile
@ -203,11 +203,21 @@ cmi_mpc5xx_config: unconfig
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#########################################################################
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## MPC5xxx Systems
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#########################################################################
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MPC5200LITE \
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icecube_5200_config \
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IceCube_5200_config \
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MPC5200LITE_config \
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MPC5200LITE_LOWBOOT_config \
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MPC5200LITE_LOWBOOT08_config \
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icecube_5200_config \
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IceCube_5200_config \
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IceCube_5100_config: unconfig
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@ >include/config.h
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@[ -z "$(findstring LOWBOOT,$@)" ] || \
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{ echo "TEXT_BASE = 0xFF000000" >board/icecube/config.tmp ; \
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echo "... with LOWBOOT configuration" ; \
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}
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@[ -z "$(findstring LOWBOOT08,$@)" ] || \
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{ echo "TEXT_BASE = 0xFF800000" >board/icecube/config.tmp ; \
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echo "... with 8 MB flash only" ; \
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}
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@[ -z "$(findstring 5200,$@)" ] || \
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{ echo "#define CONFIG_MPC5200" >>include/config.h ; \
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echo "... with MPC5200 processor" ; \
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@ -999,7 +1009,7 @@ clean:
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rm -f tools/gdb/astest tools/gdb/gdbcont tools/gdb/gdbsend
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rm -f tools/env/fw_printenv tools/env/fw_setenv
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rm -f board/cray/L1/bootscript.c board/cray/L1/bootscript.image
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rm -f board/trab/trab_fkt board/trab/config.tmp
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rm -f board/trab/trab_fkt board/*/config.tmp
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clobber: clean
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find . -type f \
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@ -22,10 +22,23 @@
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#
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#
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# IceCube board
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# IceCube 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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# 0xFF000000 boot low for 16 MiB boards
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# 0xFF800000 boot low for 8 MiB boards
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# 0x00100000 boot from RAM (for testing only)
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#
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TEXT_BASE = 0xfff00000
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sinclude $(TOPDIR)/board/$(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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@ -134,7 +134,7 @@ long int initdram (int board_type)
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*(vu_long *)MPC5XXX_SDRAM_STOP = ((dramsize - 1) >> 15);
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#endif
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#else
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#else /* CFG_RAMBOOT */
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#ifdef CONFIG_MGT5100
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*(vu_long *)MPC5XXX_ADDECR |= (1 << 22); /* Enable SDRAM */
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dramsize = ((*(vu_long *)MPC5XXX_SDRAM_STOP + 1) << 15);
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@ -631,6 +631,7 @@ void ide_init (void)
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#ifdef CONFIG_IDE_LED
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int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
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#endif
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ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
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ide_dev_desc[i].if_type=IF_TYPE_IDE;
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ide_dev_desc[i].dev=i;
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ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
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@ -991,11 +992,9 @@ static void ide_ident (block_dev_desc_t *dev_desc)
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if (retries == 0) {
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do_retry = 1;
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} else {
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dev_desc->type=DEV_TYPE_UNKNOWN;
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return;
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}
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#else
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dev_desc->type=DEV_TYPE_UNKNOWN;
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return;
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#endif /* CONFIG_AMIGAONEG3SE */
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}
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@ -229,9 +229,10 @@ static int mpc_get_fdr(int speed)
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{
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DECLARE_GLOBAL_DATA_PTR;
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static int fdr = -1;
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static int best_speed = 0;
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if (fdr == -1) {
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ulong best_speed = 0;
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ulong divider;
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ulong ipb, scl;
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ulong bestmatch = 0xffffffffUL;
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int best_i = 0, best_j = 0, i, j;
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@ -262,8 +263,13 @@ static int mpc_get_fdr(int speed)
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}
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}
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}
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fdr = (best_i & 3) | ((best_i & 4) << 3) | (best_j << 2);
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printf("%d kHz, ", best_speed / 1000);
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divider = (best_i & 3) | ((best_i & 4) << 3) | (best_j << 2);
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if (gd->flags & GD_FLG_RELOC) {
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fdr = divider;
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} else {
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printf("%ld kHz, ", best_speed / 1000);
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return divider;
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}
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}
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return fdr;
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@ -103,6 +103,47 @@ boot_cold:
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boot_warm:
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mfmsr r5 /* save msr contents */
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#if defined(CFG_LOWBOOT)
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lis r4, CFG_DEFAULT_MBAR@h
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lis r3, 0x0000FF00@h
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ori r3, r3, 0x0000FF00@l
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stw r3, 0x4(r4)
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lis r3, 0x0000FFFF@h
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ori r3, r3, 0x0000FFFF@l
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stw r3, 0x8(r4)
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lis r3, 0x00047800@h
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ori r3, r3, 0x00047800@l
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stw r3, 0x300(r4)
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lis r3, 0x02010000@h
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ori r3, r3, 0x02010000@l
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stw r3, 0x54(r4)
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#if defined(CFG_LOWBOOT08)
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lis r3, 0xff800160@h
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ori r3, r3, 0xff800160@l
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#endif
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#if defined(CFG_LOWBOOT16)
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lis r3, 0xff000160@h
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ori r3, r3, 0xff000160@l
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#endif
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mtlr r3
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blr
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lowboot_reentry: /* FLASH_BASE + 0x160 */
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lis r3, 0x0000FF00@h
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ori r3, r3, 0x0000FF00@l
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stw r3, 0x4c(r4)
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lis r3, 0x0000FFFF@h
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ori r3, r3, 0x0000FFFF@l
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stw r3, 0x50(r4)
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lis r3, 0x00047800@h
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ori r3, r3, 0x00047800@l
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stw r3, 0x300(r4)
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lis r3, 0x02000001@h
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ori r3, r3, 0x02000001@l
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stw r3, 0x54(r4)
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#endif /* CFG_LOWBOOT */
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#if defined(CFG_DEFAULT_MBAR) && !defined(CFG_RAMBOOT)
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lis r3, CFG_MBAR@h
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ori r3, r3, CFG_MBAR@l
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@ -90,12 +90,44 @@
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/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
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#include <cmd_confdefs.h>
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#if (TEXT_BASE == 0xFF000000) /* Boot low with 16 MB Flash */
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# define CFG_LOWBOOT 1
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# define CFG_LOWBOOT16 1
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#endif
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#if (TEXT_BASE == 0xFF800000) /* Boot low with 8 MB Flash */
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# define CFG_LOWBOOT 1
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# define CFG_LOWBOOT08 1
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#endif
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/*
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* Autobooting
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*/
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#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
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#define CONFIG_BOOTCOMMAND "bootm 100000" /* autoboot command */
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#define CONFIG_BOOTARGS "root=/dev/ram rw"
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#define CONFIG_PREBOOT "echo;" \
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"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
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"echo"
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#undef CONFIG_BOOTARGS
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"netdev=eth0\0" \
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"nfsargs=setenv bootargs root=/dev/nfs rw " \
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"nfsroot=$(serverip):$(rootpath)\0" \
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"ramargs=setenv bootargs root=/dev/ram rw\0" \
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"addip=setenv bootargs $(bootargs) " \
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"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
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":$(hostname):$(netdev):off panic=1\0" \
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"flash_nfs=run nfsargs addip;" \
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"bootm $(kernel_addr)\0" \
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"flash_self=run ramargs addip;" \
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"bootm $(kernel_addr) $(ramdisk_addr)\0" \
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"net_nfs=tftp 200000 $(bootfile);run nfsargs addip;bootm\0" \
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"rootpath=/opt/eldk/ppc_82xx\0" \
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"bootfile=/tftpboot/MPC5200/uImage\0" \
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""
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#define CONFIG_BOOTCOMMAND "run flash_self"
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#if defined(CONFIG_MPC5200)
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/*
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@ -123,19 +155,19 @@
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/*
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* Flash configuration
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*/
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#define CFG_FLASH_16M 1
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#if !defined(CFG_FLASH_16M) /* 8Mb chips support only */
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#define CFG_FLASH_BASE 0xff800000
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#define CFG_FLASH_SIZE 0x00800000
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#define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
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#define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x740000)
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#else
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#define CFG_FLASH_BASE 0xff000000
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#define CFG_FLASH_SIZE 0x01000000
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#if !defined(CFG_LOWBOOT)
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#define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x740000 + 0x800000)
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#define CFG_MAX_FLASH_BANKS 2 /* max num of memory banks */
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#else /* CFG_LOWBOOT */
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#if defined(CFG_LOWBOOT08)
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#define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x30000 + 0x800000)
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#endif
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#if defined(CFG_LOWBOOT16)
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#define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x30000)
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#endif
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#endif /* CFG_LOWBOOT */
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#define CFG_MAX_FLASH_BANKS 2 /* max num of memory banks */
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#define CFG_MAX_FLASH_SECT 128 /* max num of sects on one chip */
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@ -24,6 +24,6 @@
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#ifndef __VERSION_H__
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#define __VERSION_H__
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#define U_BOOT_VERSION "U-Boot 1.0.0"
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#define U_BOOT_VERSION "U-Boot 1.0.1"
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#endif /* __VERSION_H__ */
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