diff options
author | Wolfgang Denk <wd@denx.de> | 2007-03-16 22:20:36 +0100 |
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committer | Wolfgang Denk <wd@denx.de> | 2007-03-16 22:20:36 +0100 |
commit | 87e0662762b78ed7731f14add60ba0edb0479252 (patch) | |
tree | 3e287b224b2bb1e2dce1b129b5d970c4c2aa5443 | |
parent | a7090b993d3d4d2221ac3f33e6cb1d1b2ccc6bf0 (diff) | |
parent | 8423e5e31a7235d05a482627315fb11d49c17bd7 (diff) |
Merge with /home/wd/git/u-boot/custodian/u-boot-ppc4xx
-rw-r--r-- | board/amcc/ebony/init.S | 77 | ||||
-rw-r--r-- | include/configs/PCI405.h | 11 | ||||
-rw-r--r-- | include/configs/ebony.h | 5 |
3 files changed, 28 insertions, 65 deletions
diff --git a/board/amcc/ebony/init.S b/board/amcc/ebony/init.S index cc8f8b444e..c86076e806 100644 --- a/board/amcc/ebony/init.S +++ b/board/amcc/ebony/init.S @@ -22,53 +22,7 @@ #include <ppc_asm.tmpl> #include <config.h> - -/* General */ -#define TLB_VALID 0x00000200 - -/* Supported page sizes */ - -#define SZ_1K 0x00000000 -#define SZ_4K 0x00000010 -#define SZ_16K 0x00000020 -#define SZ_64K 0x00000030 -#define SZ_256K 0x00000040 -#define SZ_1M 0x00000050 -#define SZ_16M 0x00000070 -#define SZ_256M 0x00000090 - -/* Storage attributes */ -#define SA_W 0x00000800 /* Write-through */ -#define SA_I 0x00000400 /* Caching inhibited */ -#define SA_M 0x00000200 /* Memory coherence */ -#define SA_G 0x00000100 /* Guarded */ -#define SA_E 0x00000080 /* Endian */ - -/* Access control */ -#define AC_X 0x00000024 /* Execute */ -#define AC_W 0x00000012 /* Write */ -#define AC_R 0x00000009 /* Read */ - -/* Some handy macros */ - -#define EPN(e) ((e) & 0xfffffc00) -#define TLB0(epn,sz) ( (EPN((epn)) | (sz) | TLB_VALID ) ) -#define TLB1(rpn,erpn) ( ((rpn)&0xfffffc00) | (erpn) ) -#define TLB2(a) ( (a)&0x00000fbf ) - -#define tlbtab_start\ - mflr r1 ;\ - bl 0f ; - -#define tlbtab_end\ - .long 0, 0, 0 ; \ -0: mflr r0 ; \ - mtlr r1 ; \ - blr ; - -#define tlbentry(epn,sz,rpn,erpn,attr)\ - .long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr) - +#include <asm-ppc/mmu.h> /************************************************************************** * TLB TABLE @@ -81,16 +35,23 @@ * *************************************************************************/ - .section .bootpg,"ax" - .globl tlbtab + .section .bootpg,"ax" + .globl tlbtab tlbtab: - tlbtab_start - tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I) - tlbentry( CFG_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_R|AC_W|SA_G|SA_I) - tlbentry( CFG_ISRAM_BASE, SZ_4K, 0x80000000, 0, AC_R|AC_W|AC_X ) - tlbentry( CFG_ISRAM_BASE + 0x1000, SZ_4K, 0x80001000, 0, AC_R|AC_W|AC_X ) - tlbentry( CFG_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) - tlbentry( CFG_PCI_BASE, SZ_256M, 0x00000000, 2, AC_R|AC_W|SA_G|SA_I ) - tlbentry( CFG_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_R|AC_W|SA_G|SA_I ) - tlbtab_end + tlbtab_start + + tlbentry(0xf0000000, SZ_256M, 0xf0000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I) + + /* + * TLB entries for SDRAM are not needed on this platform. + * They are dynamically generated in the SPD DDR(2) detection + * routine. + */ + + tlbentry(CFG_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_ISRAM_BASE, SZ_4K, 0x80000000, 0, AC_R|AC_W|AC_X) + tlbentry(CFG_ISRAM_BASE + 0x1000, SZ_4K, 0x80001000, 0, AC_R|AC_W|AC_X) + tlbentry(CFG_PCI_BASE, SZ_256M, 0x00000000, 2, AC_R|AC_W|SA_G|SA_I) + tlbentry(CFG_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_R|AC_W|SA_G|SA_I) + tlbtab_end diff --git a/include/configs/PCI405.h b/include/configs/PCI405.h index 9d5c4f4d04..027dd22bf4 100644 --- a/include/configs/PCI405.h +++ b/include/configs/PCI405.h @@ -1,6 +1,9 @@ /* + * (C) Copyright 2007 + * Matthias Fuchs, esd gmbh, matthias.fuchs@esd-electronics.com + * * (C) Copyright 2001-2004 - * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com + * Stefan Roese, DENX Software Engineering, sr@denx.de. * * See file CREDITS for list of people who contributed to this * project. @@ -32,8 +35,6 @@ * High Level Configuration Options * (easy to change) */ -#define CONFIG_IDENT_STRING " $Name: esd_PCI405_05_07_28 $" - #define CONFIG_405GP 1 /* This is a PPC405 CPU */ #define CONFIG_4xx 1 /* ...member of PPC4xx family */ #define CONFIG_PCI405 1 /* ...on a PCI405 board */ @@ -53,9 +54,9 @@ "mem_linux=14336k\0" \ "optargs=panic=0\0" \ "ramargs=setenv bootargs mem=$mem_linux root=/dev/ram rw\0" \ - "addcon=setenv bootargs $bootargs console=ttyS0,$baudrate $optargs\0" \ + "addcons=setenv bootargs $bootargs console=ttyS0,$baudrate $optargs\0" \ "" -#define CONFIG_BOOTCOMMAND "run ramargs;run addcon;loadpci" +#define CONFIG_BOOTCOMMAND "run ramargs;run addcons;loadpci" #define CONFIG_PREBOOT /* enable preboot variable */ diff --git a/include/configs/ebony.h b/include/configs/ebony.h index 6c4d7cc4fe..a42319b097 100644 --- a/include/configs/ebony.h +++ b/include/configs/ebony.h @@ -133,8 +133,9 @@ /*----------------------------------------------------------------------- * DDR SDRAM *----------------------------------------------------------------------*/ -#define CONFIG_SPD_EEPROM /* Use SPD EEPROM for setup */ -#define SPD_EEPROM_ADDRESS {0x53,0x52} /* SPD i2c spd addresses */ +#define CONFIG_SPD_EEPROM 1 /* Use SPD EEPROM for setup */ +#define SPD_EEPROM_ADDRESS {0x53,0x52} /* SPD i2c spd addresses */ +#define CONFIG_PROG_SDRAM_TLB 1 /* setup SDRAM TLB's dynamically*/ /*----------------------------------------------------------------------- * I2C |