diff options
Diffstat (limited to 'arch/ppc')
| -rw-r--r-- | arch/ppc/Makefile | 2 | ||||
| -rw-r--r-- | arch/ppc/boards/pcm030/Makefile | 2 | ||||
| -rw-r--r-- | arch/ppc/boards/pcm030/barebox.lds.S | 139 | ||||
| -rw-r--r-- | arch/ppc/boards/pcm030/config.h | 110 | ||||
| -rw-r--r-- | arch/ppc/boards/pcm030/mt46v32m16-75.h | 46 | ||||
| -rw-r--r-- | arch/ppc/boards/pcm030/pcm030.c | 235 | ||||
| -rw-r--r-- | arch/ppc/boards/pcm030/pcm030.dox | 8 |
7 files changed, 541 insertions, 1 deletions
diff --git a/arch/ppc/Makefile b/arch/ppc/Makefile index c24d3c3685..46d64e5bc6 100644 --- a/arch/ppc/Makefile +++ b/arch/ppc/Makefile @@ -35,7 +35,7 @@ PHONY += maketools ifneq ($(board-y),) -BOARD := board/$(board-y)/ +BOARD := arch/ppc/boards/$(board-y)/ else BOARD := endif diff --git a/arch/ppc/boards/pcm030/Makefile b/arch/ppc/boards/pcm030/Makefile new file mode 100644 index 0000000000..e7d744bfb4 --- /dev/null +++ b/arch/ppc/boards/pcm030/Makefile @@ -0,0 +1,2 @@ +obj-y += pcm030.o +extra-y += barebox.lds diff --git a/arch/ppc/boards/pcm030/barebox.lds.S b/arch/ppc/boards/pcm030/barebox.lds.S new file mode 100644 index 0000000000..ab99335675 --- /dev/null +++ b/arch/ppc/boards/pcm030/barebox.lds.S @@ -0,0 +1,139 @@ +/* + * (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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <asm-generic/barebox.lds.h> + +OUTPUT_ARCH("powerpc") +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + . = TEXT_BASE; + + /* 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 : + { + arch/ppc/mach-mpc5xxx/start.o (.text) + *(.text*) + *(.got1*) + . = ALIGN(16); + *(.rodata*) + *(.rodata1*) + *(.rodata.str1.4) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x0FFF) & 0xFFFFF000; + _etext = .; + PROVIDE (erotext = .); + .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 = .); + + . = .; + __barebox_cmd_start = .; + .barebox_cmd : { BAREBOX_CMDS } + __barebox_cmd_end = .; + + __barebox_initcalls_start = .; + .barebox_initcalls : { INITCALLS } + __barebox_initcalls_end = .; + __initcall_entries = (__barebox_initcalls_end - __barebox_initcalls_start) >> 2; + + __usymtab_start = .; + __usymtab : { BAREBOX_SYMS } + __usymtab_end = .; + + __early_init_data_begin = .; + .early_init_data : { *(.early_init_data) } + __early_init_data_end = .; + + __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) + } + _end = . ; + PROVIDE (end = .); +} diff --git a/arch/ppc/boards/pcm030/config.h b/arch/ppc/boards/pcm030/config.h new file mode 100644 index 0000000000..a772ee6d96 --- /dev/null +++ b/arch/ppc/boards/pcm030/config.h @@ -0,0 +1,110 @@ +/* + * (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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#include <mach/mpc5xxx.h> + +/* #define DEBUG */ + +/*------------------------------------------------------------------------------------------------------------------------------------------------------ +High Level Configuration Options +(easy to change) + ------------------------------------------------------------------------------------------------------------------------------------------------------*/ +#define CONFIG_MPC5200_DDR 1 /* (with DDR-SDRAM) */ +#define CFG_MPC5XXX_CLKIN 33333333 /* ... running at 33.333333MHz */ +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + +/*------------------------------------------------------------------------------------------------------------------------------------------------------ +Serial console configuration + ------------------------------------------------------------------------------------------------------------------------------------------------------*/ + +#if (TEXT_BASE == 0xFF000000) /* Boot low */ +#define CFG_LOWBOOT 1 +#endif +/* RAMBOOT will be defined automatically in memory section */ + +/*------------------------------------------------------------------------------------------------------------------------------------------------------ +IPB Bus clocking configuration. + ------------------------------------------------------------------------------------------------------------------------------------------------------*/ +#define CFG_IPBSPEED_133 /* define for 133MHz speed */ +#if defined(CFG_IPBSPEED_133) +/* + * PCI Bus clocking configuration + * + * Actually a PCI Clock of 66 MHz is only set (in cpu_init.c) if + * CFG_IPBSPEED_133 is defined. This is because a PCI Clock of 66 MHz yet hasn't + * been tested with a IPB Bus Clock of 66 MHz. + */ +#define CFG_PCISPEED_66 /* define for 66MHz speed */ +#else +#undef CFG_PCISPEED_66 /* for 33MHz speed */ +#endif + +/* we only use CS-Boot */ +#define CFG_BOOTCS_START 0xFF000000 +#define CFG_BOOTCS_SIZE 0x01000000 + +#if CONFIG_MACH_PHYCORE_MPC5200B_TINY_REV == 1 +#define CFG_BOOTCS_CFG 0x0008FD00 +#else +#define CFG_BOOTCS_CFG 0x00083800 +#endif + +/*------------------------------------------------------------------------------------------------------------------------------------------------------ + Memory map + ------------------------------------------------------------------------------------------------------------------------------------------------------*/ +#define CFG_MBAR 0xF0000000 /* MBAR hast to be switched by other bootloader or debugger config */ +#define CFG_SDRAM_BASE 0x00000000 + +/* Use SRAM until RAM will be available */ +#define CFG_INIT_RAM_ADDR MPC5XXX_SRAM +#define CFG_INIT_RAM_SIZE MPC5XXX_SRAM_SIZE /* End of used area in DPRAM */ +#define CONFIG_EARLY_INITDATA_SIZE 0x100 + +#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ + +/*------------------------------------------------------------------------------------------------------------------------------------------------------ + GPIO configuration + ------------------------------------------------------------------------------------------------------------------------------------------------------*/ +#define CFG_GPS_PORT_CONFIG 0x00558c10 /* PSC6=UART, PSC3=UART ; Ether=100MBit with MD */ + +/*------------------------------------------------------------------------------------------------------------------------------------------------------ + Various low-level settings + ------------------------------------------------------------------------------------------------------------------------------------------------------*/ +#define CFG_HID0_INIT HID0_ICE | HID0_ICFI +#define CFG_HID0_FINAL HID0_ICE + +#define CFG_CS_BURST 0x00000000 +#define CFG_CS_DEADCYCLE 0x33333333 + +#define OF_CPU "PowerPC,5200@0" +#define OF_TBCLK CFG_MPC5XXX_CLKIN +#define OF_SOC "soc5200@f0000000" + +#endif /* __CONFIG_H */ diff --git a/arch/ppc/boards/pcm030/mt46v32m16-75.h b/arch/ppc/boards/pcm030/mt46v32m16-75.h new file mode 100644 index 0000000000..4d191f1f91 --- /dev/null +++ b/arch/ppc/boards/pcm030/mt46v32m16-75.h @@ -0,0 +1,46 @@ +/* + * (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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#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/ppc/boards/pcm030/pcm030.c b/arch/ppc/boards/pcm030/pcm030.c new file mode 100644 index 0000000000..f3845adf4c --- /dev/null +++ b/arch/ppc/boards/pcm030/pcm030.c @@ -0,0 +1,235 @@ +/* + * (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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <driver.h> +#include <init.h> +#include <mach/mpc5xxx.h> +#include <mach/fec.h> +#include <types.h> +#include <partition.h> +#include <mem_malloc.h> +#include <reloc.h> + +struct device_d cfi_dev = { + .name = "cfi_flash", + .map_base = 0xff000000, + .size = 16 * 1024 * 1024, +}; + +static struct memory_platform_data ram_pdata = { + .name = "ram0", + .flags = DEVFS_RDWR, +}; + +struct device_d sdram_dev = { + .name = "mem", + .map_base = 0x0, + .size = 64 * 1024 * 1024, + .platform_data = &ram_pdata, +}; + +static struct mpc5xxx_fec_platform_data fec_info = { + .xcv_type = MII100, +}; + +struct device_d eth_dev = { + .name = "fec_mpc5xxx", + .map_base = MPC5XXX_FEC, + .platform_data = &fec_info, +}; + +static int devices_init (void) +{ + register_device(&cfi_dev); + register_device(&sdram_dev); + register_device(ð_dev); + + devfs_add_partition("nor0", 0x00f00000, 0x40000, PARTITION_FIXED, "self0"); + devfs_add_partition("nor0", 0x00f60000, 0x20000, PARTITION_FIXED, "env0"); + + return 0; +} + +device_initcall(devices_init); + +static struct device_d psc3 = { + .name = "mpc5xxx_serial", + .map_base = MPC5XXX_PSC3, + .size = 4096, +}; + +static struct device_d psc6 = { + .name = "mpc5xxx_serial", + .map_base = MPC5XXX_PSC6, + .size = 4096, +}; + +static int console_init(void) +{ + register_device(&psc3); + register_device(&psc6); + return 0; +} + +console_initcall(console_init); + +void *get_early_console_base(const char *name) +{ + if (!strcmp(name, RELOC("psc3"))) + return (void *)MPC5XXX_PSC3; + if (!strcmp(name, RELOC("psc6"))) + return (void *)MPC5XXX_PSC6; + return NULL; +} + +#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"); +} + +/* + * ATTENTION: Although partially referenced initdram does NOT make real use + * use of CFG_SDRAM_BASE. The code does not work if CFG_SDRAM_BASE + * is something else than 0x00000000. + */ + +long int initdram (int board_type) +{ + ulong dramsize = 0; + ulong dramsize2 = 0; + + ulong test1, test2; + + if ((ulong)RELOC(initdram) > (2 << 30)) { + /* 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 *)CFG_SDRAM_BASE, 0x10000000); + sdram_start(1); + test2 = get_ram_size((ulong *)CFG_SDRAM_BASE, 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 */ + } + } else + puts(RELOC("skipping sdram initialization\n")); + + /* retrieve size of memory connected to SDRAM CS0 */ + dramsize = *(vu_long *)MPC5XXX_SDRAM_CS0CFG & 0xFF; + if (dramsize >= 0x13) { + dramsize = (1 << (dramsize - 0x13)) << 20; + } else { + dramsize = 0; + } + + /* retrieve size of memory connected to SDRAM CS1 */ + dramsize2 = *(vu_long *)MPC5XXX_SDRAM_CS1CFG & 0xFF; + if (dramsize2 >= 0x13) { + dramsize2 = (1 << (dramsize2 - 0x13)) << 20; + } else { + dramsize2 = 0; + } + + return dramsize + dramsize2; +} + +#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) +void +ft_board_setup(void *blob, bd_t *bd) +{ + ft_cpu_setup(blob, bd); +} +#endif + diff --git a/arch/ppc/boards/pcm030/pcm030.dox b/arch/ppc/boards/pcm030/pcm030.dox new file mode 100644 index 0000000000..b9ada839f2 --- /dev/null +++ b/arch/ppc/boards/pcm030/pcm030.dox @@ -0,0 +1,8 @@ +/** @page pcm030 Phytec's phyCORE-MPC5200B-tiny + +This CPU card is based on a Freescale MPC5200B CPU. The card is shipped with: + +- up to 16MiB NOR type Flash Memory +- 64MiB synchronous dynamic RAM + +*/ |