From 547b4cb25e585e154b5e84e33df3d157f786e305 Mon Sep 17 00:00:00 2001 From: wdenk Date: Wed, 9 Jun 2004 00:51:50 +0000 Subject: Patches by Jon Loeliger, 11 May 2004: (partially, as they contained a lot of crap) --- CHANGELOG | 2 +- doc/README.mpc85xxads | 88 ++++++++++++++++++++++++++++---------------- include/asm-ppc/immap_85xx.h | 10 ++++- include/asm-ppc/u-boot.h | 5 ++- include/common.h | 1 + 5 files changed, 70 insertions(+), 36 deletions(-) diff --git a/CHANGELOG b/CHANGELOG index 5441a85ed..132aa6f9f 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -2,7 +2,7 @@ Changes since U-Boot 1.1.1: ====================================================================== -* Patches Part 1 by Jon Loeliger, 11 May 2004: +* Patches by Jon Loeliger, 11 May 2004: Dynamically handle REV1 and REV2 MPC85xx parts. (Jon Loeliger, 10-May-2004). New consistent memory map and Local Access Window across MPC85xx line. diff --git a/doc/README.mpc85xxads b/doc/README.mpc85xxads index f78c9c6b3..4c1686faa 100644 --- a/doc/README.mpc85xxads +++ b/doc/README.mpc85xxads @@ -13,36 +13,44 @@ use the newest binutils-2.14.tar.bz2 from http://ftp.gnu.org/gnu/binutils. shipped with your board. Then apply the following changes: SW3[1-6]="all OFF" (boot from 32bit flash, no boot sequence is used) SW10[2-6]="all OFF" (turn on CPM SCC for serial port,works for 8540/8560) - SW11[2]='OFF for dracom, ON for draco' (single switch to toggle draco.dracom mode) + SW11[2]='OFF for 8560, ON for 8540' (single switch to toggle 8540.8560 mode) + SW11[7]='ON' (rev2), 'OFF' (rev1) SW4[7-8]="OFF OFF" (enable serial ports,I'm using the top serial connector) SW22[1-4]="OFF OFF ON OFF" SW5[1-10[="ON ON OFF OFF OFF OFF OFF OFF OFF OFF" J1 = "Enable Prog" (Make sure your flash is programmable for development) - Ethernet PHY connectors(J47,J56) should be removed if you want to use the ethernet. -1.2 If you want to test PCI functionality with a 33Mhz PCI card, you will have to change - the system clock from the default 66Mhz to 33Mhz by setting SW15[1]="OFF" and - SW17[8]="OFF". After that you may also need double your platform clock(SW6) because - the system clock is now only half of its original value. -1.3 SW6 is a very important switch, it decides your platform clock and CPU clock based on - the on-board system clock(default 66MHz). Check the document along with your board - for details. +1.2 If you want to test PCI functionality with a 33Mhz PCI card, you will + have to change the system clock from the default 66Mhz to 33Mhz by + setting SW15[1]="OFF" and SW17[8]="OFF". After that you may also need + double your platform clock(SW6) because the system clock is now only + half of its original value. +1.3 SW6 is a very important switch, it decides your platform clock and CPU + clock based on the on-board system clock(default 66MHz). Check the + document along with your board for details. + 2. MEMORY MAP TO WORK WITH 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) - PCI: 0xe0000000-0xefffffff (256MB) - RIO: 0xf0000000-0xf7ffffff (128MB) - Local SDRAM: 0xf8000000-0xfbffffff (64MB) - Local CSx: 0xfc000000-0xfdefffff (31MB) BCSR,RTC,ATM config,etc. - CCSRBAR: 0xfdf00000-0xfdffffff (1MB) - Flash: 0xfe000000-0xffffffff (max 32MB) -2.2 We are submitting Linux kernel patches for MPC8540 and MPC8560. Hope you will be - able to download them from linuxppc-2.4 public source by the time you are reading - this. Please make sure the kernel's ppcboot.h is consistent with U-Boot's u-boot.h, - then you can use two default configuration files in the kernel source as a test: - arch/ppc/configs/mpc8540ads_defconfig - arch/ppc/configs/mpc8560ads_defconfig + +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: + + 0x0000_0000 0x7fff_ffff DDR 2G + 0x8000_0000 0x9fff_ffff PCI MEM 512M + 0xc000_0000 0xdfff_ffff Rapid IO 512M + 0xe000_0000 0xe000_ffff CCSR 1M + 0xe200_0000 0xe2ff_ffff PCI IO 16M + 0xf000_0000 0xf7ff_ffff SDRAM 128M + 0xf800_0000 0xf80f_ffff BCSR 1M + 0xff00_0000 0xffff_ffff FLASH (boot bank) 16M + +2.2 We are submitting Linux kernel patches for MPC8540 and MPC8560. You + can download them from linuxppc-2.4 public source. Please make sure the + kernel's ppcboot.h is consistent with U-Boot's u-boot.h. You can use two + default configuration files as your starting points to configure the + kernel: + arch/ppc/configs/mpc8540_ads_defconfig + arch/ppc/configs/mpc8560_ads_defconfig 3. DEFINITIONS AND COMPILATION 3.1 Explanation on NEW definitions in include/configs/MPC8540ADS.h and include/ @@ -50,9 +58,6 @@ use the newest binutils-2.14.tar.bz2 from http://ftp.gnu.org/gnu/binutils. CONFIG_BOOKE BOOKE(e.g. Motorola MPC85xx, IBM 440, etc) CONFIG_E500 BOOKE e500 family(Motorola) CONFIG_MPC85xx MPC8540,MPC8560 and their derivatives - CONFIG_MPC85xx_REV1 MPC85xx Rev 1 Chip, in general you will use a Rev2 - chip from Nov.2003. If you still see this definition - while you have a Rev2(and newer) chip,undef this. CONFIG_MPC8540 MPC8540 specific CONFIG_MPC8560 MPC8560 specific CONFIG_MPC8540ADS MPC8540ADS board specific @@ -61,8 +66,7 @@ use the newest binutils-2.14.tar.bz2 from http://ftp.gnu.org/gnu/binutils. CONFIG_SPD_EEPROM Use SPD EEPROM for DDR auto configuration, you can also manual config the DDR after undef this definition. CONFIG_DDR_ECC only for ECC DDR module - CONFIG_DDR_DLL possible DLL fix needed for Rev1 chip for more stability. - you can disable this if you're having a newer chip. + CONFIG_DDR_DLL DLL fix on some ADS boards needed for more stability. CONFIG_RAM_AS_FLASH after define this, you can load U-Boot into localbus SDRAM and treat localbus SDRAM as a flash. We use this memory based U-Boot before flash is working while Metrowerks @@ -78,8 +82,19 @@ use the newest binutils-2.14.tar.bz2 from http://ftp.gnu.org/gnu/binutils. make MPC8560ADS_config (or make MPC8540ADS_config) make -4. Note on the 10/100/1000 Ethernet controller: -4.1 Sometimes after U-Boot is up, the 'tftp' won't work well with TSEC ethernet. If that +4. Notes: +4.1 When connecting with kermit, the following commands must be present.in + your .kermrc file. These are especially important when booting as + MPC8560, as the serial console will not work without them: + +set speed 115200 +set carrier-watch off +set handshake none +set flow-control none +robust + + +4.2 Sometimes after U-Boot is up, the 'tftp' won't work well with TSEC ethernet. If that happens, you can try the following steps to make network work: MPC8560ADS>tftp 1000000 pImage (if it hangs, use Ctrl-C to quit) @@ -88,6 +103,17 @@ use the newest binutils-2.14.tar.bz2 from http://ftp.gnu.org/gnu/binutils. >1 >. (to quit this memory operation) MPC8560ADS>tftp 1000000 pImage +4.3 If you're one of the early developers using the Rev1 8540/8560 chips, please use U-Boot + 1.0.0, as the newer silicon will only support Rev2 and future revisions of 8540/8560. + + +4.4 Reflash U-boot Image using U-boot + + => tftp 0 u-boot.bin + => protect off fff80000 ffffffff + => erase fff80000 ffffffff + => cp.b 0 fff80000 80000 + 5. Screen dump: 5.1 MPC8540ADS board diff --git a/include/asm-ppc/immap_85xx.h b/include/asm-ppc/immap_85xx.h index 61510896e..5db0f667e 100644 --- a/include/asm-ppc/immap_85xx.h +++ b/include/asm-ppc/immap_85xx.h @@ -89,7 +89,13 @@ typedef struct ccsr_ddr { uint sdram_mode; /* 0x2118 - DDR SDRAM Mode Configuration */ char res7[8]; uint sdram_interval; /* 0x2124 - DDR SDRAM Interval Configuration */ +#ifdef MPC85xx_DDR_SDRAM_CLK_CNTL + char res7_5[8]; + uint sdram_clk_cntl; /* 0x2130 - DDR SDRAM Clock Control */ + char res8[3276]; +#else char res8[3288]; +#endif uint data_err_inject_hi; /* 0x2e00 - DDR Memory Data Path Error Injection Mask High */ uint data_err_inject_lo; /* 0x2e04 - DDR Memory Data Path Error Injection Mask Low */ uint ecc_err_inject; /* 0x2e08 - DDR Memory Data Path Error Injection Mask ECC */ @@ -150,7 +156,7 @@ typedef struct ccsr_i2c { char res6[4075]; } ccsr_i2c_t; -#ifdef CONFIG_MPC8540 +#if defined (CONFIG_MPC8540) || defined (CONFIG_MPC8555) /* DUART Registers(0x4000-0x5000) */ typedef struct ccsr_duart { char res1[1280]; @@ -1015,7 +1021,7 @@ typedef struct ccsr_pic { } ccsr_pic_t; /* CPM Block(0x8_0000-0xc_0000) */ -#ifdef CONFIG_MPC8540 +#if defined (CONFIG_MPC8540) || defined (CONFIG_MPC8555) typedef struct ccsr_cpm { char res[262144]; } ccsr_cpm_t; diff --git a/include/asm-ppc/u-boot.h b/include/asm-ppc/u-boot.h index 814122282..21d28c8e1 100644 --- a/include/asm-ppc/u-boot.h +++ b/include/asm-ppc/u-boot.h @@ -83,14 +83,15 @@ typedef struct bd_info { defined(CONFIG_SXNI855T) || \ defined(CONFIG_SVM_SC8xx) || \ defined(CONFIG_MPC8540ADS) || \ - defined(CONFIG_MPC8560ADS) || \ + defined(CONFIG_MPC8555CDS) || \ + defined(CONFIG_MPC8560ADS) || \ defined(CONFIG_440_GX) /* second onboard ethernet port */ unsigned char bi_enet1addr[6]; #endif #if defined(CFG_GT_6426x) || defined(CONFIG_SVM_SC8xx) || \ defined(CONFIG_MPC8540ADS) || defined(CONFIG_MPC8560ADS) || \ - defined(CONFIG_440_GX) + defined(CONFIG_MPC8555CDS) || defined(CONFIG_440_GX) /* third onboard ethernet port */ unsigned char bi_enet2addr[6]; #endif diff --git a/include/common.h b/include/common.h index be8642656..8a81e435e 100644 --- a/include/common.h +++ b/include/common.h @@ -316,6 +316,7 @@ uint get_immr (uint); #endif uint get_pir (void); uint get_pvr (void); +uint get_svr (void); uint rd_ic_cst (void); void wr_ic_cst (uint); void wr_ic_adr (uint); -- cgit v1.2.3