diff options
Diffstat (limited to 'arch/powerpc/boards/pcm030')
| -rw-r--r-- | arch/powerpc/boards/pcm030/Makefile | 2 | ||||
| -rw-r--r-- | arch/powerpc/boards/pcm030/barebox.lds.S | 127 | ||||
| -rw-r--r-- | arch/powerpc/boards/pcm030/config.h | 33 | ||||
| -rw-r--r-- | arch/powerpc/boards/pcm030/eeprom.c | 118 | ||||
| -rw-r--r-- | arch/powerpc/boards/pcm030/env/init/mtdparts-nor | 6 | ||||
| -rw-r--r-- | arch/powerpc/boards/pcm030/env/nv/linux.bootargs.console | 1 | ||||
| -rw-r--r-- | arch/powerpc/boards/pcm030/mt46v32m16-75.h | 42 | ||||
| -rw-r--r-- | arch/powerpc/boards/pcm030/pcm030.c | 211 |
8 files changed, 540 insertions, 0 deletions
diff --git a/arch/powerpc/boards/pcm030/Makefile b/arch/powerpc/boards/pcm030/Makefile new file mode 100644 index 0000000000..4e5dc4f57b --- /dev/null +++ b/arch/powerpc/boards/pcm030/Makefile @@ -0,0 +1,2 @@ +obj-y += pcm030.o eeprom.o +extra-y += barebox.lds diff --git a/arch/powerpc/boards/pcm030/barebox.lds.S b/arch/powerpc/boards/pcm030/barebox.lds.S new file mode 100644 index 0000000000..6fd8b43c6e --- /dev/null +++ b/arch/powerpc/boards/pcm030/barebox.lds.S @@ -0,0 +1,127 @@ +/* + * (C) Copyright 2003 + * 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. + * + */ + +#include <asm-generic/barebox.lds.h> + +OUTPUT_ARCH("powerpc") +ENTRY(_start) +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + . = TEXT_BASE; + + .text : + { + _text = .; + _stext = .; + arch/powerpc/mach-mpc5xxx/start.o (.text) + *(.text*) + *(.got1*) + . = ALIGN(16); + *(.rodata*) + *(.rodata1*) + *(.rodata.str1.4) + RO_DATA_SECTION + } + + /* Read-only sections, merged into text segment: */ +/* + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } +*/ + + /* Read-write section, merged into data segment: */ + . = (. + 0x0FFF) & 0xFFFFF000; + _etext = .; + PROVIDE (erotext = .); + _sdata = .; + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __fixup_entries = (. - _FIXUP_TABLE_) >> 2; + + + .data : + { + *(.data*) + *(.data1*) + *(.sdata*) + *(.sdata2*) + *(.dynamic*) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(4096); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(4096); + __init_end = .; + + __init_size = __init_end - _start; + + __bss_start = .; + .bss : + { + *(.sbss*) *(.scommon*) + *(.dynbss*) + *(.bss*) + *(COMMON) + } + __bss_stop = .; + _end = . ; + PROVIDE (end = .); +} diff --git a/arch/powerpc/boards/pcm030/config.h b/arch/powerpc/boards/pcm030/config.h new file mode 100644 index 0000000000..3fe1f286d9 --- /dev/null +++ b/arch/powerpc/boards/pcm030/config.h @@ -0,0 +1,33 @@ +/* + * (C) Copyright 2003-2005 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2006 + * Eric Schumann, Phytec Messatechnik GmbH + * + * 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. + * + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#include <mach/mpc5xxx.h> + +#define CFG_MPC5XXX_CLKIN 33333000 /* ... running at 33.333MHz */ + +#define CFG_HID0_INIT HID0_ICE | HID0_ICFI +#define CFG_HID0_FINAL HID0_ICE + +#endif /* __CONFIG_H */ diff --git a/arch/powerpc/boards/pcm030/eeprom.c b/arch/powerpc/boards/pcm030/eeprom.c new file mode 100644 index 0000000000..aa00f361cd --- /dev/null +++ b/arch/powerpc/boards/pcm030/eeprom.c @@ -0,0 +1,118 @@ +/* + * Copyright (C) 2015 Juergen Borleis <kernel@pengutronix.de> + * + * Based on code from: + * Copyright (C) 2013 Jan Luebbe <j.luebbe@pengutronix.de> + * + * 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. + */ +#include <common.h> +#include <errno.h> +#include <fcntl.h> +#include <fs.h> +#include <globalvar.h> +#include <xfuncs.h> +#include <init.h> +#include <net.h> + +#define PCM030_EEPROM_DEVICE "/dev/eeprom0" + +/* + * The first 2048 bytes contain the U-Boot environment shipped with the boards. + * After that an area begins where some board specific and partially unique data + * is stored. All of this data is plain test, string delimiter is the semicolon. + * the last string terminates with a '\0'. + * One example found in the 'product' area: PCM-030-02REI;017822;0050C2875974\0 + * The first string seems to be the product type, the second string some kind + * of serial number and the last string the boards unique MAC. + */ +struct pcm030_eeprom { + char env[0x800]; /* u-boot environment */ + char product[0x80]; /* <product>;<serno>;<mac>\0 */ +} __attribute__((packed)); + +static void pcm030_read_factory_data(const struct pcm030_eeprom *buf) +{ + unsigned u, l; + char *board, *serial; + char *full_mac = "xx:xx:xx:xx:xx:xx"; + u8 enetaddr[6]; + + u = 0; + + for (l = 0; (l + u) < sizeof(buf->product); l++) { + if (buf->product[u + l] != ';') + continue; + board = xstrndup(&buf->product[u], l); + u += l + 1; + globalvar_add_simple("model.type", board); + free(board); + } + + for (l = 0; (l + u) < sizeof(buf->product); l++) { + if (buf->product[u + l] != ';') + continue; + serial = xstrndup(&buf->product[u], l); + u += l + 1; + globalvar_add_simple("model.serial", serial); + free(serial); + } + + /* for the MAC do a simple duck test */ + if (buf->product[u] != ';' && buf->product[u + 12] == '\0') { + full_mac[0] = buf->product[u + 0]; + full_mac[1] = buf->product[u + 1]; + full_mac[3] = buf->product[u + 2]; + full_mac[4] = buf->product[u + 3]; + full_mac[6] = buf->product[u + 4]; + full_mac[7] = buf->product[u + 5]; + full_mac[9] = buf->product[u + 6]; + full_mac[10] = buf->product[u + 7]; + full_mac[12] = buf->product[u + 8]; + full_mac[13] = buf->product[u + 9]; + full_mac[15] = buf->product[u + 10]; + full_mac[16] = buf->product[u + 11]; + string_to_ethaddr(full_mac, enetaddr); + eth_register_ethaddr(0, enetaddr); + return; + } + + printf("EEPROM contains no ethernet MAC\n"); +} + +static int pcm030_eeprom_read(void) +{ + int fd, ret; + struct pcm030_eeprom *buf; + + fd = open(PCM030_EEPROM_DEVICE, O_RDONLY); + if (fd < 0) { + perror("failed to open " PCM030_EEPROM_DEVICE); + return fd; + } + + buf = xmalloc(sizeof(struct pcm030_eeprom)); + + ret = pread(fd, buf, sizeof(struct pcm030_eeprom), 0); + if (ret < sizeof(struct pcm030_eeprom)) { + perror("failed to read " PCM030_EEPROM_DEVICE); + goto out; + } + + pcm030_read_factory_data(buf); + ret = 0; +out: + free(buf); + close(fd); + + return ret; +} +late_initcall(pcm030_eeprom_read); diff --git a/arch/powerpc/boards/pcm030/env/init/mtdparts-nor b/arch/powerpc/boards/pcm030/env/init/mtdparts-nor new file mode 100644 index 0000000000..44c07ead21 --- /dev/null +++ b/arch/powerpc/boards/pcm030/env/init/mtdparts-nor @@ -0,0 +1,6 @@ +#!/bin/sh + +mtdparts="512k(nor0.bareboxlow),4M(nor0.kernel),512k(nor0.oftree),26M(nor0.root),512k(nor0.barebox),512k(nor0.bareboxenv)" +kernelname="physmap-flash.0" + +mtdparts-add -d nor0 -k ${kernelname} -p ${mtdparts} diff --git a/arch/powerpc/boards/pcm030/env/nv/linux.bootargs.console b/arch/powerpc/boards/pcm030/env/nv/linux.bootargs.console new file mode 100644 index 0000000000..31ce0e71eb --- /dev/null +++ b/arch/powerpc/boards/pcm030/env/nv/linux.bootargs.console @@ -0,0 +1 @@ +console=ttyPSC0,115200 diff --git a/arch/powerpc/boards/pcm030/mt46v32m16-75.h b/arch/powerpc/boards/pcm030/mt46v32m16-75.h new file mode 100644 index 0000000000..60ea09eebc --- /dev/null +++ b/arch/powerpc/boards/pcm030/mt46v32m16-75.h @@ -0,0 +1,42 @@ +/* + * (C) Copyright 2004 + * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com. + * + * Eric Schumann, Phytec Messtechnik + * adapted for mt46v32m16-75 DDR-RAM + * + * 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. + * + */ + +#define SDRAM_DDR 1 /* is DDR */ + +/* Settings for XLB = 132 MHz */ +#define SDRAM_MODE 0x018D0000 +#define SDRAM_EMODE 0x40090000 +#define SDRAM_CONTROL 0x715f0f00 +#define SDRAM_CONFIG1 0x73722930 +#define SDRAM_CONFIG2 0x47770000 + + +/* Settings for XLB = 99 MHz */ +/* +#define SDRAM_MODE 0x008D0000 +#define SDRAM_EMODE 0x40090000 +#define SDRAM_CONTROL 0x714b0f00 +#define SDRAM_CONFIG1 0x63611730 +#define SDRAM_CONFIG2 0x47670000 +*/ + +#define SDRAM_TAPDELAY 0x10000000 /* reserved Bit in MPC5200 B3-Step */ diff --git a/arch/powerpc/boards/pcm030/pcm030.c b/arch/powerpc/boards/pcm030/pcm030.c new file mode 100644 index 0000000000..05c1ce9ca8 --- /dev/null +++ b/arch/powerpc/boards/pcm030/pcm030.c @@ -0,0 +1,211 @@ +/* + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2004 + * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com. + * + * (C) Copyright 2006 + * Eric Schumann, Phytec Messtechnik GmbH + * + * 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. + * + */ + +#include <common.h> +#include <driver.h> +#include <init.h> +#include <platform_data/eth-fec.h> +#include <types.h> +#include <partition.h> +#include <memory.h> +#include <linux/sizes.h> +#include <linux/stat.h> +#include <asm/io.h> +#include <fs.h> +#include <i2c/i2c.h> + +static struct fec_platform_data fec_info = { + .xcv_type = PHY_INTERFACE_MODE_MII, +}; + +static struct i2c_board_info pcm030_i2c_devices[] = { + { I2C_BOARD_INFO("pcf8563", 0x51), }, + { I2C_BOARD_INFO("24c32", 0x52), }, +}; + +struct i2c_platform_data pcm030_i2c_plat = { + .bitrate = 100000, +}; + +static int devices_init (void) +{ + struct stat s; + int ret; + + /* + * Flash can be 16MB or 32MB, setup for the last 32MB no matter + * what we find later. + */ + mpc5200_setup_cs(MPC5200_BOOTCS, 0xfe000000, SZ_32M, 0x0008fd00); + add_cfi_flash_device(DEVICE_ID_DYNAMIC, 0xfe000000, 32 * 1024 * 1024, 0); + + add_generic_device("fec_mpc5xxx", DEVICE_ID_DYNAMIC, NULL, MPC5XXX_FEC, 0x200, + IORESOURCE_MEM, &fec_info); + i2c_register_board_info(0, pcm030_i2c_devices, ARRAY_SIZE(pcm030_i2c_devices)); + add_generic_device("i2c-fsl", DEVICE_ID_DYNAMIC, NULL, MPC5XXX_I2C2, 0x100, + IORESOURCE_MEM, &pcm030_i2c_plat); + + ret = stat("/dev/nor0", &s); + if (ret) + return 0; + + devfs_add_partition("nor0", s.st_size - SZ_1M, SZ_512K, DEVFS_PARTITION_FIXED, "self0"); + devfs_add_partition("nor0", s.st_size - SZ_512K, SZ_512K, DEVFS_PARTITION_FIXED, "env0"); + + return 0; +} + +device_initcall(devices_init); + +static int console_init(void) +{ + barebox_set_model("Phytec phyCORE MPC5200 tiny"); + barebox_set_hostname("mpc5200"); + + add_generic_device("mpc5xxx_serial", DEVICE_ID_DYNAMIC, NULL, MPC5XXX_PSC3, 0x200, + IORESOURCE_MEM, NULL); + add_generic_device("mpc5xxx_serial", DEVICE_ID_DYNAMIC, NULL, MPC5XXX_PSC6, 0x200, + IORESOURCE_MEM, NULL); + return 0; +} + +console_initcall(console_init); + +static int mem_init(void) +{ + unsigned long sdramsize; + + sdramsize = mpc5200_get_sdram_size(0) + mpc5200_get_sdram_size(1); + + barebox_add_memory_bank("ram0", 0x0, sdramsize); + + return 0; +} +mem_initcall(mem_init); + +#include "mt46v32m16-75.h" + +static void sdram_start (int hi_addr) +{ + long hi_addr_bit = hi_addr ? 0x01000000 : 0; + + /* unlock mode register */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000000 | hi_addr_bit; + __asm__ volatile ("sync"); + + /* precharge all banks */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit; + __asm__ volatile ("sync"); + +#if SDRAM_DDR + /* set mode register: extended mode */ + *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_EMODE; + __asm__ volatile ("sync"); + + /* set mode register: reset DLL */ + *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE | 0x04000000; + __asm__ volatile ("sync"); +#endif + + /* precharge all banks */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit; + __asm__ volatile ("sync"); + + /* auto refresh */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000004 | hi_addr_bit; + __asm__ volatile ("sync"); + + /* set mode register */ + *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE; + __asm__ volatile ("sync"); + + /* normal operation */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit; + __asm__ volatile ("sync"); +} + +void initdram (int board_type) +{ + ulong dramsize = 0; + + ulong test1, test2; + + /* Setup pin multiplexing */ + + /* PSC6=UART, PSC3=UART ; Ether=100MBit with MD */ + *(vu_long *)MPC5XXX_GPS_PORT_CONFIG = 0x00559c10; + *(vu_long *)MPC5XXX_CS_BURST = 0x00000000; + *(vu_long *)MPC5XXX_CS_DEADCYCLE = 0x33333333; + + /* + * Make USB work due to the special base crystal frequency: + * 33,3330MHz * 16 = 533,328MHz main clock, but should be 528 MHz Clock + */ + out_be32((void *)MPC5XXX_CDM_48_FDC, 0x00015555); + + mpc5200_setup_bus_clocks(1, 4); + + if (get_pc() > SZ_128M) { + /* setup SDRAM chip selects */ + *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001b;/* 256MB at 0x0 */ + *(vu_long *)MPC5XXX_SDRAM_CS1CFG = 0x10000000;/* disabled */ + __asm__ volatile ("sync"); + + /* setup config registers */ + *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1; + *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2; + __asm__ volatile ("sync"); + +#if SDRAM_DDR && SDRAM_TAPDELAY + /* set tap delay */ + *(vu_long *)MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY; + __asm__ volatile ("sync"); +#endif + + /* find RAM size using SDRAM CS0 only */ + sdram_start(0); + test1 = get_ram_size((ulong *)0, 0x10000000); + sdram_start(1); + test2 = get_ram_size((ulong *)0, 0x10000000); + if (test1 > test2) { + sdram_start(0); + dramsize = test1; + } else { + dramsize = test2; + } + + /* memory smaller than 1MB is impossible */ + if (dramsize < (1 << 20)) { + dramsize = 0; + } + + /* set SDRAM CS0 size according to the amount of RAM found */ + if (dramsize > 0) { + *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x13 + __builtin_ffs(dramsize >> 20) - 1; + } else { + *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */ + } + } +} |