diff options
Diffstat (limited to 'qemu/roms/u-boot/board/amcc/ocotea')
| -rw-r--r-- | qemu/roms/u-boot/board/amcc/ocotea/Makefile | 9 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/amcc/ocotea/README.ocotea | 73 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/amcc/ocotea/README.ocotea-PIBS-to-U-Boot | 99 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/amcc/ocotea/config.mk | 20 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/amcc/ocotea/flash.c | 134 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/amcc/ocotea/init.S | 42 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/amcc/ocotea/ocotea.c | 387 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/amcc/ocotea/ocotea.h | 125 |
8 files changed, 889 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/amcc/ocotea/Makefile b/qemu/roms/u-boot/board/amcc/ocotea/Makefile new file mode 100644 index 000000000..7646bbb96 --- /dev/null +++ b/qemu/roms/u-boot/board/amcc/ocotea/Makefile @@ -0,0 +1,9 @@ +# +# (C) Copyright 2002-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y = ocotea.o flash.o +extra-y += init.o diff --git a/qemu/roms/u-boot/board/amcc/ocotea/README.ocotea b/qemu/roms/u-boot/board/amcc/ocotea/README.ocotea new file mode 100644 index 000000000..be79b03c8 --- /dev/null +++ b/qemu/roms/u-boot/board/amcc/ocotea/README.ocotea @@ -0,0 +1,73 @@ + AMCC Ocotea Board + + Last Update: March 2, 2004 +======================================================================= + +This file contains some handy info regarding U-Boot and the AMCC +Ocotea 440gx evaluation board. See the README.ppc440 for additional +information. + + +SWITCH SETTINGS & JUMPERS +========================== + +Here's what I've been using successfully. If you feel inclined to +change things ... please read the docs! + +DIPSW U46 U80 +------------------------ +SW 1 off off +SW 2 on off +SW 3 off off +SW 4 off off +SW 5 off off +SW 6 on on +SW 7 on off +SW 8 on off + +J41: strapped +J42: open + +All others are factory default. + + +I2C Information +===================== + +See README.ebony for information. + +PCI +=========================== + +Untested at the time of writing. + +PPC440GX Ethernet EMACs +=========================== + +All EMAC ports have been tested and are known to work +with EPS Group 4. + +Special note about the Cicada CIS8201: + The CIS8201 Gigabit PHY comes up in GMII mode by default. + One must hit an extended register to allow use of RGMII mode. + This has been done in the 440gx_enet.c file with a #ifdef/endif + pair. + +AMCC does not store the EMAC ethernet addresses within their PIBS bootloader. +The addresses contained in the config header file are from my particular +board and you _*should*_ change them to reflect your board either in the +config file and/or in your environment variables. I found the addresses on +labels on the bottom side of the board. + + +BDI2k or JTAG Debugging +=========================== + +For ease of debugging you can swap the small boot flash and external SRAM +by changing U46:3 to on. You can then use the sram as your boot flash by +loading the sram via the jtag debugger. + + +Regards, +--Travis +<tsawyer@sandburst.com> diff --git a/qemu/roms/u-boot/board/amcc/ocotea/README.ocotea-PIBS-to-U-Boot b/qemu/roms/u-boot/board/amcc/ocotea/README.ocotea-PIBS-to-U-Boot new file mode 100644 index 000000000..25dd2a237 --- /dev/null +++ b/qemu/roms/u-boot/board/amcc/ocotea/README.ocotea-PIBS-to-U-Boot @@ -0,0 +1,99 @@ +------------------------------------------ +Installation of U-Boot using PIBS firmware +------------------------------------------ + +This document describes how to install U-Boot on the Ocotea PPC440GX +Evaluation Board. We do not erase the PIBS firmware but install U-Boot in the +soldered FLASH. After this you should be able to switch between PIBS and +U-Boot via the switch U46 SW1. Please check that SW1 is off (= open) before +continuing. + +Connect to the serial port 0 (J11 lower) of the Ocotea board using the cu +program. See the hints for configuring cu above. Make sure you can +communicate with the PIBS firmware: reset the board and hit ENTER a couple of +times until you see the PIBS prompt (PIBS $). Then proceed as follows: + + +Read MAC Addresses from PIBS +---------------------------- + +To read the configured MAC addresses available on your Ocotea board please use +the following commands: + +PIBS $ echo $hwdaddr0 +000173017FE3 +PIBS $ echo $hwdaddr1 +000173017FE4 +PIBS $ echo $hwdaddr2 +000173017FE1 +PIBS $ echo $hwdaddr3 +000173017FE2 + +In U-Boot this is stored in the following environment variables: + +* Ethernet Address 0: ethaddr = 000173017FE3 (==> 00:01:73:01:7F:E3) +* Ethernet Address 1: eth1addr = 000173017FE4 (==> 00:01:73:01:7F:E4) +* Ethernet Address 2: eth2addr = 000173017FE1 (==> 00:01:73:01:7F:E1) +* Ethernet Address 3: eth3addr = 000173017FE2 (==> 00:01:73:01:7F:E2) + + +Configure the network interface (ent0 == emac0) +----------------------------------------------- + +To download the U-Boot image we need to configure the ethernet interface with +the following commands: + +PIBS $ ifconfig ent0 192.168.160.142 netmask 255.255.0.0 up +PIBS $ set ipdstaddr0=192.168.1.1 +status: writing PIBS variable value to FLASH +PIBS $ set bootfilename=/tftpboot/ocotea/u-boot.bin +status: writing PIBS variable value to FLASH + +Please insert correct parameters for your configuration (ip-addresses and +file-location). + + +Program U-Boot into soldered User-FLASH +--------------------------------------- + +Please make sure to use a newer version of U-Boot (at least 1.1.3), since +older versions don't support running from user-FLASH. + +To program U-Boot into the soldered user-FLASH use the following command: + +PIBS $ storefile bin eth 0xffbc0000 + +This commands loads the file vis ethernet into ram and copies it into the +user-FLASH. + + +Switch to U-Boot +---------------- + +Now you can turn your board off and switch SW1 (U46) to on (= closed). After +powering the board you should see the following message: + +U-Boot 1.1.3 (Apr 5 2005 - 22:59:57) + +AMCC PowerPC 440 GX Rev. C +Board: AMCC 440GX Evaluation Board + VCO: 1066 MHz + CPU: 533 MHz + PLB: 152 MHz + OPB: 76 MHz + EPB: 76 MHz +I2C: ready +DRAM: 256 MB +FLASH: 5 MB +PCI: Bus Dev VenId DevId Class Int +In: serial +Out: serial +Err: serial +KGDB: kgdb ready +ready +Net: ppc_440x_eth0, ppc_440x_eth1, ppc_440x_eth2, ppc_440x_eth3 +BEDBUG:ready +=> + + +April 06 2005, Stefan Roese <sr@denx.de> diff --git a/qemu/roms/u-boot/board/amcc/ocotea/config.mk b/qemu/roms/u-boot/board/amcc/ocotea/config.mk new file mode 100644 index 000000000..e19b561f9 --- /dev/null +++ b/qemu/roms/u-boot/board/amcc/ocotea/config.mk @@ -0,0 +1,20 @@ +# +# (C) Copyright 2004 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +# +# AMCC 440GX Reference Platform (Ocotea) board +# + +PLATFORM_CPPFLAGS += -DCONFIG_440=1 + +ifeq ($(debug),1) +PLATFORM_CPPFLAGS += -DDEBUG +endif + +ifeq ($(dbcr),1) +PLATFORM_CPPFLAGS += -DCONFIG_SYS_INIT_DBCR=0x8cff0000 +endif diff --git a/qemu/roms/u-boot/board/amcc/ocotea/flash.c b/qemu/roms/u-boot/board/amcc/ocotea/flash.c new file mode 100644 index 000000000..a9bbf045d --- /dev/null +++ b/qemu/roms/u-boot/board/amcc/ocotea/flash.c @@ -0,0 +1,134 @@ +/* + * (C) Copyright 2004-2005 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2002 Jun Gu <jung@artesyncp.com> + * Add support for Am29F016D and dynamic switch setting. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * Modified 4/5/2001 + * Wait for completion of each sector erase command issued + * 4/5/2001 + * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com + */ + +#include <common.h> +#include <asm/ppc4xx.h> +#include <asm/processor.h> + +#undef DEBUG + +#ifdef DEBUG +#define DEBUGF(x...) printf(x) +#else +#define DEBUGF(x...) +#endif /* DEBUG */ + +#define BOOT_SMALL_FLASH 0x40 /* 01000000 */ +#define FLASH_ONBD_N 2 /* 00000010 */ +#define FLASH_SRAM_SEL 1 /* 00000001 */ +#define FLASH_ONBD_N 2 /* 00000010 */ +#define FLASH_SRAM_SEL 1 /* 00000001 */ + +#define BOOT_SMALL_FLASH_VAL 4 +#define FLASH_ONBD_N_VAL 2 +#define FLASH_SRAM_SEL_VAL 1 + +flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +static unsigned long flash_addr_table[8][CONFIG_SYS_MAX_FLASH_BANKS] = { + {0xFF800000, 0xFF880000, 0xFFC00000}, /* 0:000: configuraton 4 */ + {0xFF900000, 0xFF980000, 0xFFC00000}, /* 1:001: configuraton 3 */ + {0x00000000, 0x00000000, 0x00000000}, /* 2:010: configuraton 8 */ + {0x00000000, 0x00000000, 0x00000000}, /* 3:011: configuraton 7 */ + {0xFFE00000, 0xFFF00000, 0xFF800000}, /* 4:100: configuraton 2 */ + {0xFFF00000, 0xFFF80000, 0xFF800000}, /* 5:101: configuraton 1 */ + {0x00000000, 0x00000000, 0x00000000}, /* 6:110: configuraton 6 */ + {0x00000000, 0x00000000, 0x00000000} /* 7:111: configuraton 5 */ +}; + +/* + * include common flash code (for amcc boards) + */ +#include "../common/flash.c" + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size(vu_long * addr, flash_info_t * info); +static int write_word(flash_info_t * info, ulong dest, ulong data); + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init(void) +{ + unsigned long total_b = 0; + unsigned long size_b[CONFIG_SYS_MAX_FLASH_BANKS]; + unsigned char *fpga_base = (unsigned char *)CONFIG_SYS_FPGA_BASE; + unsigned char switch_status; + unsigned short index = 0; + int i; + + /* read FPGA base register FPGA_REG0 */ + switch_status = *fpga_base; + + /* check the bitmap of switch status */ + if (switch_status & BOOT_SMALL_FLASH) { + index += BOOT_SMALL_FLASH_VAL; + } + if (switch_status & FLASH_ONBD_N) { + index += FLASH_ONBD_N_VAL; + } + if (switch_status & FLASH_SRAM_SEL) { + index += FLASH_SRAM_SEL_VAL; + } + + DEBUGF("\n"); + DEBUGF("FLASH: Index: %d\n", index); + + /* Init: no FLASHes known */ + for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) { + flash_info[i].flash_id = FLASH_UNKNOWN; + flash_info[i].sector_count = -1; + flash_info[i].size = 0; + + /* check whether the address is 0 */ + if (flash_addr_table[index][i] == 0) { + continue; + } + + /* call flash_get_size() to initialize sector address */ + size_b[i] = + flash_get_size((vu_long *) flash_addr_table[index][i], + &flash_info[i]); + flash_info[i].size = size_b[i]; + if (flash_info[i].flash_id == FLASH_UNKNOWN) { + printf + ("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n", + i, size_b[i], size_b[i] << 20); + flash_info[i].sector_count = -1; + flash_info[i].size = 0; + } + + /* Monitor protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, CONFIG_SYS_MONITOR_BASE, + CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN - 1, + &flash_info[i]); +#ifdef CONFIG_ENV_IS_IN_FLASH + (void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR, + CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1, + &flash_info[i]); + (void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR_REDUND, + CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1, + &flash_info[i]); +#endif + + total_b += flash_info[i].size; + } + + return total_b; +} diff --git a/qemu/roms/u-boot/board/amcc/ocotea/init.S b/qemu/roms/u-boot/board/amcc/ocotea/init.S new file mode 100644 index 000000000..35085f0a0 --- /dev/null +++ b/qemu/roms/u-boot/board/amcc/ocotea/init.S @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <ppc_asm.tmpl> +#include <config.h> +#include <asm/mmu.h> +#include <asm/ppc4xx.h> + +/************************************************************************** + * TLB TABLE + * + * This table is used by the cpu boot code to setup the initial tlb + * entries. Rather than make broad assumptions in the cpu source tree, + * this table lets each board set things up however they like. + * + * Pointer to the table is returned in r1 + * + *************************************************************************/ + + .section .bootpg,"ax" + .globl tlbtab + +tlbtab: + tlbtab_start + + tlbentry(0xf0000000, SZ_256M, 0xf0000000, 1, AC_RWX | SA_IG) + + /* + * TLB entries for SDRAM are not needed on this platform. + * They are dynamically generated in the SPD DDR(2) detection + * routine. + */ + + tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_RW | SA_IG) + tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_4K, 0x80000000, 0, AC_RWX) + tlbentry(CONFIG_SYS_ISRAM_BASE + 0x1000, SZ_4K, 0x80001000, 0, AC_RWX) + tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 2, AC_RW | SA_IG) + tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_RW | SA_IG) + tlbtab_end diff --git a/qemu/roms/u-boot/board/amcc/ocotea/ocotea.c b/qemu/roms/u-boot/board/amcc/ocotea/ocotea.c new file mode 100644 index 000000000..5f11f195e --- /dev/null +++ b/qemu/roms/u-boot/board/amcc/ocotea/ocotea.c @@ -0,0 +1,387 @@ +/* + * Copyright (C) 2004 PaulReynolds@lhsolutions.com + * + * (C) Copyright 2005 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + + +#include <common.h> +#include "ocotea.h" +#include <asm/processor.h> +#include <spd_sdram.h> +#include <asm/ppc4xx-emac.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define BOOT_SMALL_FLASH 32 /* 00100000 */ +#define FLASH_ONBD_N 2 /* 00000010 */ +#define FLASH_SRAM_SEL 1 /* 00000001 */ + +long int fixed_sdram (void); +void fpga_init (void); + +int board_early_init_f (void) +{ + unsigned long mfr; + unsigned char *fpga_base = (unsigned char *) CONFIG_SYS_FPGA_BASE; + unsigned char switch_status; + unsigned long cs0_base; + unsigned long cs0_size; + unsigned long cs0_twt; + unsigned long cs2_base; + unsigned long cs2_size; + unsigned long cs2_twt; + + /*-------------------------------------------------------------------------+ + | Initialize EBC CONFIG + +-------------------------------------------------------------------------*/ + mtebc(EBC0_CFG, EBC_CFG_LE_UNLOCK | + EBC_CFG_PTD_ENABLE | EBC_CFG_RTC_64PERCLK | + EBC_CFG_ATC_PREVIOUS | EBC_CFG_DTC_PREVIOUS | + EBC_CFG_CTC_PREVIOUS | EBC_CFG_EMC_NONDEFAULT | + EBC_CFG_PME_DISABLE | EBC_CFG_PR_32); + + /*-------------------------------------------------------------------------+ + | FPGA. Initialize bank 7 with default values. + +-------------------------------------------------------------------------*/ + mtebc(PB7AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(7)| + EBC_BXAP_BCE_DISABLE| + EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)| + EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)| + EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED| + EBC_BXAP_BEM_WRITEONLY| + EBC_BXAP_PEN_DISABLED); + mtebc(PB7CR, EBC_BXCR_BAS_ENCODE(0x48300000)| + EBC_BXCR_BS_1MB|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT); + + /* read FPGA base register FPGA_REG0 */ + switch_status = *fpga_base; + + if (switch_status & 0x40) { + cs0_base = 0xFFE00000; + cs0_size = EBC_BXCR_BS_2MB; + cs0_twt = 8; + cs2_base = 0xFF800000; + cs2_size = EBC_BXCR_BS_4MB; + cs2_twt = 10; + } else { + cs0_base = 0xFFC00000; + cs0_size = EBC_BXCR_BS_4MB; + cs0_twt = 10; + cs2_base = 0xFF800000; + cs2_size = EBC_BXCR_BS_2MB; + cs2_twt = 8; + } + + /*-------------------------------------------------------------------------+ + | 1 MB FLASH / 1 MB SRAM. Initialize bank 0 with default values. + +-------------------------------------------------------------------------*/ + mtebc(PB0AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(cs0_twt)| + EBC_BXAP_BCE_DISABLE| + EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)| + EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)| + EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED| + EBC_BXAP_BEM_WRITEONLY| + EBC_BXAP_PEN_DISABLED); + mtebc(PB0CR, EBC_BXCR_BAS_ENCODE(cs0_base)| + cs0_size|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT); + + /*-------------------------------------------------------------------------+ + | 8KB NVRAM/RTC. Initialize bank 1 with default values. + +-------------------------------------------------------------------------*/ + mtebc(PB1AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(10)| + EBC_BXAP_BCE_DISABLE| + EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)| + EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)| + EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED| + EBC_BXAP_BEM_WRITEONLY| + EBC_BXAP_PEN_DISABLED); + mtebc(PB1CR, EBC_BXCR_BAS_ENCODE(0x48000000)| + EBC_BXCR_BS_1MB|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT); + + /*-------------------------------------------------------------------------+ + | 4 MB FLASH. Initialize bank 2 with default values. + +-------------------------------------------------------------------------*/ + mtebc(PB2AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(cs2_twt)| + EBC_BXAP_BCE_DISABLE| + EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)| + EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)| + EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED| + EBC_BXAP_BEM_WRITEONLY| + EBC_BXAP_PEN_DISABLED); + mtebc(PB2CR, EBC_BXCR_BAS_ENCODE(cs2_base)| + cs2_size|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT); + + /*-------------------------------------------------------------------------+ + | FPGA. Initialize bank 7 with default values. + +-------------------------------------------------------------------------*/ + mtebc(PB7AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(7)| + EBC_BXAP_BCE_DISABLE| + EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)| + EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)| + EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED| + EBC_BXAP_BEM_WRITEONLY| + EBC_BXAP_PEN_DISABLED); + mtebc(PB7CR, EBC_BXCR_BAS_ENCODE(0x48300000)| + EBC_BXCR_BS_1MB|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT); + + /*-------------------------------------------------------------------- + * Setup the interrupt controller polarities, triggers, etc. + *-------------------------------------------------------------------*/ + /* + * Because of the interrupt handling rework to handle 440GX interrupts + * with the common code, we needed to change names of the UIC registers. + * Here the new relationship: + * + * U-Boot name 440GX name + * ----------------------- + * UIC0 UICB0 + * UIC1 UIC0 + * UIC2 UIC1 + * UIC3 UIC2 + */ + mtdcr (UIC1SR, 0xffffffff); /* clear all */ + mtdcr (UIC1ER, 0x00000000); /* disable all */ + mtdcr (UIC1CR, 0x00000009); /* SMI & UIC1 crit are critical */ + mtdcr (UIC1PR, 0xfffffe13); /* per ref-board manual */ + mtdcr (UIC1TR, 0x01c00008); /* per ref-board manual */ + mtdcr (UIC1VR, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr (UIC1SR, 0xffffffff); /* clear all */ + + mtdcr (UIC2SR, 0xffffffff); /* clear all */ + mtdcr (UIC2ER, 0x00000000); /* disable all */ + mtdcr (UIC2CR, 0x00000000); /* all non-critical */ + mtdcr (UIC2PR, 0xffffe0ff); /* per ref-board manual */ + mtdcr (UIC2TR, 0x00ffc000); /* per ref-board manual */ + mtdcr (UIC2VR, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr (UIC2SR, 0xffffffff); /* clear all */ + + mtdcr (UIC3SR, 0xffffffff); /* clear all */ + mtdcr (UIC3ER, 0x00000000); /* disable all */ + mtdcr (UIC3CR, 0x00000000); /* all non-critical */ + mtdcr (UIC3PR, 0xffffffff); /* per ref-board manual */ + mtdcr (UIC3TR, 0x00ff8c0f); /* per ref-board manual */ + mtdcr (UIC3VR, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr (UIC3SR, 0xffffffff); /* clear all */ + + mtdcr (UIC0SR, 0xfc000000); /* clear all */ + mtdcr (UIC0ER, 0x00000000); /* disable all */ + mtdcr (UIC0CR, 0x00000000); /* all non-critical */ + mtdcr (UIC0PR, 0xfc000000); /* */ + mtdcr (UIC0TR, 0x00000000); /* */ + mtdcr (UIC0VR, 0x00000001); /* */ + mfsdr (SDR0_MFR, mfr); + mfr &= ~SDR0_MFR_ECS_MASK; +/* mtsdr(SDR0_MFR, mfr); */ + fpga_init(); + + return 0; +} + + +int checkboard (void) +{ + char buf[64]; + int i = getenv_f("serial#", buf, sizeof(buf)); + + printf ("Board: Ocotea - AMCC PPC440GX Evaluation Board"); + if (i > 0) { + puts(", serial# "); + puts(buf); + } + putc ('\n'); + + return (0); +} + + +phys_size_t initdram (int board_type) +{ + long dram_size = 0; + +#if defined(CONFIG_SPD_EEPROM) + dram_size = spd_sdram (); +#else + dram_size = fixed_sdram (); +#endif + return dram_size; +} + + +#if !defined(CONFIG_SPD_EEPROM) +/************************************************************************* + * fixed sdram init -- doesn't use serial presence detect. + * + * Assumes: 128 MB, non-ECC, non-registered + * PLB @ 133 MHz + * + ************************************************************************/ +long int fixed_sdram (void) +{ + uint reg; + + /*-------------------------------------------------------------------- + * Setup some default + *------------------------------------------------------------------*/ + mtsdram (SDRAM0_UABBA, 0x00000000); /* ubba=0 (default) */ + mtsdram (SDRAM0_SLIO, 0x00000000); /* rdre=0 wrre=0 rarw=0 */ + mtsdram (SDRAM0_DEVOPT, 0x00000000); /* dll=0 ds=0 (normal) */ + mtsdram (SDRAM0_WDDCTR, 0x00000000); /* wrcp=0 dcd=0 */ + mtsdram (SDRAM0_CLKTR, 0x40000000); /* clkp=1 (90 deg wr) dcdt=0 */ + + /*-------------------------------------------------------------------- + * Setup for board-specific specific mem + *------------------------------------------------------------------*/ + /* + * Following for CAS Latency = 2.5 @ 133 MHz PLB + */ + mtsdram (SDRAM0_B0CR, 0x000a4001); /* SDBA=0x000 128MB, Mode 3, enabled */ + mtsdram (SDRAM0_TR0, 0x410a4012); /* WR=2 WD=1 CL=2.5 PA=3 CP=4 LD=2 */ + /* RA=10 RD=3 */ + mtsdram (SDRAM0_TR1, 0x8080082f); /* SS=T2 SL=STAGE 3 CD=1 CT=0x02f */ + mtsdram (SDRAM0_RTR, 0x08200000); /* Rate 15.625 ns @ 133 MHz PLB */ + mtsdram (SDRAM0_CFG1, 0x00000000); /* Self-refresh exit, disable PM */ + udelay (400); /* Delay 200 usecs (min) */ + + /*-------------------------------------------------------------------- + * Enable the controller, then wait for DCEN to complete + *------------------------------------------------------------------*/ + mtsdram (SDRAM0_CFG0, 0x86000000); /* DCEN=1, PMUD=1, 64-bit */ + for (;;) { + mfsdram (SDRAM0_MCSTS, reg); + if (reg & 0x80000000) + break; + } + + return (128 * 1024 * 1024); /* 128 MB */ +} +#endif /* !defined(CONFIG_SPD_EEPROM) */ + +void fpga_init(void) +{ + unsigned long group; + unsigned long sdr0_pfc0; + unsigned long sdr0_pfc1; + unsigned long sdr0_cust0; + unsigned long pvr; + + mfsdr (SDR0_PFC0, sdr0_pfc0); + mfsdr (SDR0_PFC1, sdr0_pfc1); + group = SDR0_PFC1_EPS_DECODE(sdr0_pfc1); + pvr = get_pvr (); + + sdr0_pfc0 = (sdr0_pfc0 & ~SDR0_PFC0_GEIE_MASK) | SDR0_PFC0_GEIE_TRE; + if ( ((pvr == PVR_440GX_RA) || (pvr == PVR_440GX_RB)) && ((group == 4) || (group == 5))) { + sdr0_pfc0 = (sdr0_pfc0 & ~SDR0_PFC0_TRE_MASK) | SDR0_PFC0_TRE_DISABLE; + sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_CTEMS_MASK) | SDR0_PFC1_CTEMS_EMS; + out8(FPGA_REG2, (in8(FPGA_REG2) & ~FPGA_REG2_EXT_INTFACE_MASK) | + FPGA_REG2_EXT_INTFACE_ENABLE); + mtsdr (SDR0_PFC0, sdr0_pfc0); + mtsdr (SDR0_PFC1, sdr0_pfc1); + } else { + sdr0_pfc0 = (sdr0_pfc0 & ~SDR0_PFC0_TRE_MASK) | SDR0_PFC0_TRE_ENABLE; + switch (group) + { + case 0: + case 1: + case 2: + /* CPU trace A */ + out8(FPGA_REG2, (in8(FPGA_REG2) & ~FPGA_REG2_EXT_INTFACE_MASK) | + FPGA_REG2_EXT_INTFACE_ENABLE); + sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_CTEMS_MASK) | SDR0_PFC1_CTEMS_EMS; + mtsdr (SDR0_PFC0, sdr0_pfc0); + mtsdr (SDR0_PFC1, sdr0_pfc1); + break; + case 3: + case 4: + case 5: + case 6: + /* CPU trace B - Over EBMI */ + sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_CTEMS_MASK) | SDR0_PFC1_CTEMS_CPUTRACE; + mtsdr (SDR0_PFC0, sdr0_pfc0); + mtsdr (SDR0_PFC1, sdr0_pfc1); + out8(FPGA_REG2, (in8(FPGA_REG2) & ~FPGA_REG2_EXT_INTFACE_MASK) | + FPGA_REG2_EXT_INTFACE_DISABLE); + break; + } + } + + /* Initialize the ethernet specific functions in the fpga */ + mfsdr(SDR0_PFC1, sdr0_pfc1); + mfsdr(SDR0_CUST0, sdr0_cust0); + if ( (SDR0_PFC1_EPS_DECODE(sdr0_pfc1) == 4) && + ((SDR0_CUST0_RGMII2_DECODE(sdr0_cust0) == RGMII_FER_GMII) || + (SDR0_CUST0_RGMII2_DECODE(sdr0_cust0) == RGMII_FER_TBI))) + { + if ((in8(FPGA_REG0) & FPGA_REG0_ECLS_MASK) == FPGA_REG0_ECLS_VER1) + { + out8(FPGA_REG3, (in8(FPGA_REG3) & ~FPGA_REG3_ENET_MASK1) | + FPGA_REG3_ENET_GROUP7); + } + else + { + if (SDR0_CUST0_RGMII2_DECODE(sdr0_cust0) == RGMII_FER_GMII) + { + out8(FPGA_REG3, (in8(FPGA_REG3) & ~FPGA_REG3_ENET_MASK2) | + FPGA_REG3_ENET_GROUP7); + } + else + { + out8(FPGA_REG3, (in8(FPGA_REG3) & ~FPGA_REG3_ENET_MASK2) | + FPGA_REG3_ENET_GROUP8); + } + } + } + else + { + if ((in8(FPGA_REG0) & FPGA_REG0_ECLS_MASK) == FPGA_REG0_ECLS_VER1) + { + out8(FPGA_REG3, (in8(FPGA_REG3) & ~FPGA_REG3_ENET_MASK1) | + FPGA_REG3_ENET_ENCODE1(SDR0_PFC1_EPS_DECODE(sdr0_pfc1))); + } + else + { + out8(FPGA_REG3, (in8(FPGA_REG3) & ~FPGA_REG3_ENET_MASK2) | + FPGA_REG3_ENET_ENCODE2(SDR0_PFC1_EPS_DECODE(sdr0_pfc1))); + } + } + out8(FPGA_REG4, FPGA_REG4_GPHY_MODE10 | + FPGA_REG4_GPHY_MODE100 | FPGA_REG4_GPHY_MODE1000 | + FPGA_REG4_GPHY_FRC_DPLX | FPGA_REG4_CONNECT_PHYS); + + /* reset the gigabyte phy if necessary */ + if (SDR0_PFC1_EPS_DECODE(sdr0_pfc1) >= 3) + { + if ((in8(FPGA_REG0) & FPGA_REG0_ECLS_MASK) == FPGA_REG0_ECLS_VER1) + { + out8(FPGA_REG3, in8(FPGA_REG3) & ~FPGA_REG3_GIGABIT_RESET_DISABLE); + udelay(10000); + out8(FPGA_REG3, in8(FPGA_REG3) | FPGA_REG3_GIGABIT_RESET_DISABLE); + } + else + { + out8(FPGA_REG2, in8(FPGA_REG2) & ~FPGA_REG2_GIGABIT_RESET_DISABLE); + udelay(10000); + out8(FPGA_REG2, in8(FPGA_REG2) | FPGA_REG2_GIGABIT_RESET_DISABLE); + } + } + + /* + * new Ocotea with Rev. F (pass 3) chips has SMII PHY reset + */ + if ((in8(FPGA_REG0) & FPGA_REG0_ECLS_MASK) == FPGA_REG0_ECLS_VER2) { + out8(FPGA_REG2, in8(FPGA_REG2) & ~FPGA_REG2_SMII_RESET_DISABLE); + udelay(10000); + out8(FPGA_REG2, in8(FPGA_REG2) | FPGA_REG2_SMII_RESET_DISABLE); + } + + /* Turn off the LED's */ + out8(FPGA_REG3, (in8(FPGA_REG3) & ~FPGA_REG3_STAT_MASK) | + FPGA_REG3_STAT_LED8_DISAB | FPGA_REG3_STAT_LED4_DISAB | + FPGA_REG3_STAT_LED2_DISAB | FPGA_REG3_STAT_LED1_DISAB); + + return; +} diff --git a/qemu/roms/u-boot/board/amcc/ocotea/ocotea.h b/qemu/roms/u-boot/board/amcc/ocotea/ocotea.h new file mode 100644 index 000000000..853002f4b --- /dev/null +++ b/qemu/roms/u-boot/board/amcc/ocotea/ocotea.h @@ -0,0 +1,125 @@ +/* + * (C) Copyright 2004 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* Board specific FPGA stuff ... */ +#define FPGA_REG0 (CONFIG_SYS_FPGA_BASE + 0x00) +#define FPGA_REG0_SSCG_MASK 0x80 +#define FPGA_REG0_SSCG_DISABLE 0x00 +#define FPGA_REG0_SSCG_ENABLE 0x80 +#define FPGA_REG0_BOOT_MASK 0x40 +#define FPGA_REG0_BOOT_LARGE_FLASH 0x00 +#define FPGA_REG0_BOOT_SMALL_FLASH 0x40 +#define FPGA_REG0_ECLS_MASK 0x38 /* New for Ocotea Rev 2 */ +#define FPGA_REG0_ECLS_0 0x20 /* New for Ocotea Rev 2 */ +#define FPGA_REG0_ECLS_1 0x10 /* New for Ocotea Rev 2 */ +#define FPGA_REG0_ECLS_2 0x08 /* New for Ocotea Rev 2 */ +#define FPGA_REG0_ECLS_VER1 0x00 /* New for Ocotea Rev 2 */ +#define FPGA_REG0_ECLS_VER3 0x08 /* New for Ocotea Rev 2 */ +#define FPGA_REG0_ECLS_VER4 0x10 /* New for Ocotea Rev 2 */ +#define FPGA_REG0_ECLS_VER5 0x18 /* New for Ocotea Rev 2 */ +#define FPGA_REG0_ECLS_VER2 0x20 /* New for Ocotea Rev 2 */ +#define FPGA_REG0_ECLS_VER6 0x28 /* New for Ocotea Rev 2 */ +#define FPGA_REG0_ECLS_VER7 0x30 /* New for Ocotea Rev 2 */ +#define FPGA_REG0_ECLS_VER8 0x38 /* New for Ocotea Rev 2 */ +#define FPGA_REG0_ARBITER_MASK 0x04 +#define FPGA_REG0_ARBITER_EXT 0x00 +#define FPGA_REG0_ARBITER_INT 0x04 +#define FPGA_REG0_ONBOARD_FLASH_MASK 0x02 +#define FPGA_REG0_ONBOARD_FLASH_ENABLE 0x00 +#define FPGA_REG0_ONBOARD_FLASH_DISABLE 0x02 +#define FPGA_REG0_FLASH 0x01 +#define FPGA_REG1 (CONFIG_SYS_FPGA_BASE + 0x01) +#define FPGA_REG1_9772_FSELFBX_MASK 0x80 +#define FPGA_REG1_9772_FSELFBX_6 0x00 +#define FPGA_REG1_9772_FSELFBX_10 0x80 +#define FPGA_REG1_9531_SX_MASK 0x60 +#define FPGA_REG1_9531_SX_33MHZ 0x00 +#define FPGA_REG1_9531_SX_100MHZ 0x20 +#define FPGA_REG1_9531_SX_66MHZ 0x40 +#define FPGA_REG1_9531_SX_133MHZ 0x60 +#define FPGA_REG1_9772_FSELBX_MASK 0x18 +#define FPGA_REG1_9772_FSELBX_4 0x00 +#define FPGA_REG1_9772_FSELBX_6 0x08 +#define FPGA_REG1_9772_FSELBX_8 0x10 +#define FPGA_REG1_9772_FSELBX_10 0x18 +#define FPGA_REG1_SOURCE_MASK 0x07 +#define FPGA_REG1_SOURCE_TC 0x00 +#define FPGA_REG1_SOURCE_66MHZ 0x01 +#define FPGA_REG1_SOURCE_50MHZ 0x02 +#define FPGA_REG1_SOURCE_33MHZ 0x03 +#define FPGA_REG1_SOURCE_25MHZ 0x04 +#define FPGA_REG1_SOURCE_SSDIV1 0x05 +#define FPGA_REG1_SOURCE_SSDIV2 0x06 +#define FPGA_REG1_SOURCE_SSDIV4 0x07 +#define FPGA_REG2 (CONFIG_SYS_FPGA_BASE + 0x02) +#define FPGA_REG2_TC0 0x80 +#define FPGA_REG2_TC1 0x40 +#define FPGA_REG2_TC2 0x20 +#define FPGA_REG2_TC3 0x10 +#define FPGA_REG2_GIGABIT_RESET_DISABLE 0x08 /*Use on Ocotea pass 2 boards*/ +#define FPGA_REG2_EXT_INTFACE_MASK 0x04 +#define FPGA_REG2_EXT_INTFACE_ENABLE 0x00 +#define FPGA_REG2_EXT_INTFACE_DISABLE 0x04 +#define FPGA_REG2_SMII_RESET_DISABLE 0x02 /*Use on Ocotea pass 3 boards*/ +#define FPGA_REG2_DEFAULT_UART1_N 0x01 +#define FPGA_REG3 (CONFIG_SYS_FPGA_BASE + 0x03) +#define FPGA_REG3_GIGABIT_RESET_DISABLE 0x80 /*Use on Ocotea pass 1 boards*/ +#define FPGA_REG3_ENET_MASK1 0x70 /*Use on Ocotea pass 1 boards*/ +#define FPGA_REG3_ENET_MASK2 0xF0 /*Use on Ocotea pass 2 boards*/ +#define FPGA_REG3_ENET_GROUP0 0x00 +#define FPGA_REG3_ENET_GROUP1 0x10 +#define FPGA_REG3_ENET_GROUP2 0x20 +#define FPGA_REG3_ENET_GROUP3 0x30 +#define FPGA_REG3_ENET_GROUP4 0x40 +#define FPGA_REG3_ENET_GROUP5 0x50 +#define FPGA_REG3_ENET_GROUP6 0x60 +#define FPGA_REG3_ENET_GROUP7 0x70 +#define FPGA_REG3_ENET_GROUP8 0x80 /*Use on Ocotea pass 2 boards*/ +#define FPGA_REG3_ENET_ENCODE1(n) ((((unsigned long)(n))&0x07)<<4) /*pass1*/ +#define FPGA_REG3_ENET_DECODE1(n) ((((unsigned long)(n))>>4)&0x07) /*pass1*/ +#define FPGA_REG3_ENET_ENCODE2(n) ((((unsigned long)(n))&0x0F)<<4) /*pass2*/ +#define FPGA_REG3_ENET_DECODE2(n) ((((unsigned long)(n))>>4)&0x0F) /*pass2*/ +#define FPGA_REG3_STAT_MASK 0x0F +#define FPGA_REG3_STAT_LED8_ENAB 0x08 +#define FPGA_REG3_STAT_LED4_ENAB 0x04 +#define FPGA_REG3_STAT_LED2_ENAB 0x02 +#define FPGA_REG3_STAT_LED1_ENAB 0x01 +#define FPGA_REG3_STAT_LED8_DISAB 0x00 +#define FPGA_REG3_STAT_LED4_DISAB 0x00 +#define FPGA_REG3_STAT_LED2_DISAB 0x00 +#define FPGA_REG3_STAT_LED1_DISAB 0x00 +#define FPGA_REG4 (CONFIG_SYS_FPGA_BASE + 0x04) +#define FPGA_REG4_GPHY_MODE10 0x80 +#define FPGA_REG4_GPHY_MODE100 0x40 +#define FPGA_REG4_GPHY_MODE1000 0x20 +#define FPGA_REG4_GPHY_FRC_DPLX 0x10 +#define FPGA_REG4_GPHY_ANEG_DIS 0x08 +#define FPGA_REG4_CONNECT_PHYS 0x04 + + +#define SDR0_CUST0_ENET3_MASK 0x00000080 +#define SDR0_CUST0_ENET3_COPPER 0x00000000 +#define SDR0_CUST0_ENET3_FIBER 0x00000080 +#define SDR0_CUST0_RGMII3_MASK 0x00000070 +#define SDR0_CUST0_RGMII3_ENCODE(n) ((((unsigned long)(n))&0x7)<<4) +#define SDR0_CUST0_RGMII3_DECODE(n) ((((unsigned long)(n))>>4)&0x07) +#define SDR0_CUST0_RGMII3_DISAB 0x00000000 +#define SDR0_CUST0_RGMII3_RTBI 0x00000040 +#define SDR0_CUST0_RGMII3_RGMII 0x00000050 +#define SDR0_CUST0_RGMII3_TBI 0x00000060 +#define SDR0_CUST0_RGMII3_GMII 0x00000070 +#define SDR0_CUST0_ENET2_MASK 0x00000008 +#define SDR0_CUST0_ENET2_COPPER 0x00000000 +#define SDR0_CUST0_ENET2_FIBER 0x00000008 +#define SDR0_CUST0_RGMII2_MASK 0x00000007 +#define SDR0_CUST0_RGMII2_ENCODE(n) ((((unsigned long)(n))&0x7)<<0) +#define SDR0_CUST0_RGMII2_DECODE(n) ((((unsigned long)(n))>>0)&0x07) +#define SDR0_CUST0_RGMII2_DISAB 0x00000000 +#define SDR0_CUST0_RGMII2_RTBI 0x00000004 +#define SDR0_CUST0_RGMII2_RGMII 0x00000005 +#define SDR0_CUST0_RGMII2_TBI 0x00000006 +#define SDR0_CUST0_RGMII2_GMII 0x00000007 |