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author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:04 -0500 |
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committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:03 +0200 |
commit | ea0364f1bbfed1e3ea711147420875cf338fe77a (patch) | |
tree | 15c051bc4d2e94c1661c73e1b87c22c7beda7c24 /lib_ppc | |
parent | 89f39e177e7b0152aa1d3152baa25d986e36cdcf (diff) | |
download | bootable_bootloader_goldelico_gta04-ea0364f1bbfed1e3ea711147420875cf338fe77a.zip bootable_bootloader_goldelico_gta04-ea0364f1bbfed1e3ea711147420875cf338fe77a.tar.gz bootable_bootloader_goldelico_gta04-ea0364f1bbfed1e3ea711147420875cf338fe77a.tar.bz2 |
Move lib_$ARCH directories to arch/$ARCH/lib
Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk
This change is intended to clean up the top-level directory structure
and more closely mimic Linux's directory organization.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'lib_ppc')
-rw-r--r-- | lib_ppc/Makefile | 61 | ||||
-rw-r--r-- | lib_ppc/bat_rw.c | 260 | ||||
-rw-r--r-- | lib_ppc/board.c | 1084 | ||||
-rw-r--r-- | lib_ppc/bootm.c | 367 | ||||
-rw-r--r-- | lib_ppc/cache.c | 53 | ||||
-rw-r--r-- | lib_ppc/config.mk | 44 | ||||
-rw-r--r-- | lib_ppc/extable.c | 83 | ||||
-rw-r--r-- | lib_ppc/interrupts.c | 153 | ||||
-rw-r--r-- | lib_ppc/kgdb.c | 321 | ||||
-rw-r--r-- | lib_ppc/ppccache.S | 72 | ||||
-rw-r--r-- | lib_ppc/ppcstring.S | 216 | ||||
-rw-r--r-- | lib_ppc/reloc.S | 49 | ||||
-rw-r--r-- | lib_ppc/ticks.S | 65 | ||||
-rw-r--r-- | lib_ppc/time.c | 97 |
14 files changed, 0 insertions, 2925 deletions
diff --git a/lib_ppc/Makefile b/lib_ppc/Makefile deleted file mode 100644 index 334e457..0000000 --- a/lib_ppc/Makefile +++ /dev/null @@ -1,61 +0,0 @@ -# -# (C) Copyright 2000-2006 -# 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 $(TOPDIR)/config.mk - -LIB = $(obj)lib$(ARCH).a - -SOBJS-y += ppccache.o -SOBJS-y += ppcstring.o -SOBJS-y += ticks.o -SOBJS-y += reloc.o - -COBJS-y += bat_rw.o -COBJS-y += board.o -COBJS-y += bootm.o -COBJS-y += cache.o -COBJS-y += extable.o -COBJS-y += interrupts.o -COBJS-$(CONFIG_CMD_KGDB) += kgdb.o -COBJS-y += time.o - -SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) -OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y)) - -$(LIB): $(obj).depend $(OBJS) - @if ! $(CROSS_COMPILE)readelf -S $(OBJS) | grep -q '\.fixup.*PROGBITS';\ - then \ - echo "ERROR: Your compiler doesn't generate .fixup sections!";\ - echo " Upgrade to a recent toolchain."; \ - exit 1; \ - fi; - $(AR) $(ARFLAGS) $@ $(OBJS) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/lib_ppc/bat_rw.c b/lib_ppc/bat_rw.c deleted file mode 100644 index c48c240..0000000 --- a/lib_ppc/bat_rw.c +++ /dev/null @@ -1,260 +0,0 @@ -/* - * (C) Copyright 2002 - * Rich Ireland, Enterasys Networks, rireland@enterasys.com. - * - * 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 <asm/processor.h> -#include <asm/mmu.h> -#include <asm/io.h> - -#ifdef CONFIG_ADDR_MAP -#include <addr_map.h> -#endif - -DECLARE_GLOBAL_DATA_PTR; - -int write_bat (ppc_bat_t bat, unsigned long upper, unsigned long lower) -{ - int batn = -1; - - sync(); - - switch (bat) { - case DBAT0: - mtspr (DBAT0L, lower); - mtspr (DBAT0U, upper); - batn = 0; - break; - case IBAT0: - mtspr (IBAT0L, lower); - mtspr (IBAT0U, upper); - break; - case DBAT1: - mtspr (DBAT1L, lower); - mtspr (DBAT1U, upper); - batn = 1; - break; - case IBAT1: - mtspr (IBAT1L, lower); - mtspr (IBAT1U, upper); - break; - case DBAT2: - mtspr (DBAT2L, lower); - mtspr (DBAT2U, upper); - batn = 2; - break; - case IBAT2: - mtspr (IBAT2L, lower); - mtspr (IBAT2U, upper); - break; - case DBAT3: - mtspr (DBAT3L, lower); - mtspr (DBAT3U, upper); - batn = 3; - break; - case IBAT3: - mtspr (IBAT3L, lower); - mtspr (IBAT3U, upper); - break; -#ifdef CONFIG_HIGH_BATS - case DBAT4: - mtspr (DBAT4L, lower); - mtspr (DBAT4U, upper); - batn = 4; - break; - case IBAT4: - mtspr (IBAT4L, lower); - mtspr (IBAT4U, upper); - break; - case DBAT5: - mtspr (DBAT5L, lower); - mtspr (DBAT5U, upper); - batn = 5; - break; - case IBAT5: - mtspr (IBAT5L, lower); - mtspr (IBAT5U, upper); - break; - case DBAT6: - mtspr (DBAT6L, lower); - mtspr (DBAT6U, upper); - batn = 6; - break; - case IBAT6: - mtspr (IBAT6L, lower); - mtspr (IBAT6U, upper); - break; - case DBAT7: - mtspr (DBAT7L, lower); - mtspr (DBAT7U, upper); - batn = 7; - break; - case IBAT7: - mtspr (IBAT7L, lower); - mtspr (IBAT7U, upper); - break; -#endif - default: - return (-1); - } - -#ifdef CONFIG_ADDR_MAP - if ((gd->flags & GD_FLG_RELOC) && (batn >= 0)) { - phys_size_t size; - if (!BATU_VALID(upper)) - size = 0; - else - size = BATU_SIZE(upper); - addrmap_set_entry(BATU_VADDR(upper), BATL_PADDR(lower), - size, batn); - } -#endif - - sync(); - isync(); - - return (0); -} - -int read_bat (ppc_bat_t bat, unsigned long *upper, unsigned long *lower) -{ - unsigned long register u; - unsigned long register l; - - switch (bat) { - case DBAT0: - l = mfspr (DBAT0L); - u = mfspr (DBAT0U); - break; - case IBAT0: - l = mfspr (IBAT0L); - u = mfspr (IBAT0U); - break; - case DBAT1: - l = mfspr (DBAT1L); - u = mfspr (DBAT1U); - break; - case IBAT1: - l = mfspr (IBAT1L); - u = mfspr (IBAT1U); - break; - case DBAT2: - l = mfspr (DBAT2L); - u = mfspr (DBAT2U); - break; - case IBAT2: - l = mfspr (IBAT2L); - u = mfspr (IBAT2U); - break; - case DBAT3: - l = mfspr (DBAT3L); - u = mfspr (DBAT3U); - break; - case IBAT3: - l = mfspr (IBAT3L); - u = mfspr (IBAT3U); - break; -#ifdef CONFIG_HIGH_BATS - case DBAT4: - l = mfspr (DBAT4L); - u = mfspr (DBAT4U); - break; - case IBAT4: - l = mfspr (IBAT4L); - u = mfspr (IBAT4U); - break; - case DBAT5: - l = mfspr (DBAT5L); - u = mfspr (DBAT5U); - break; - case IBAT5: - l = mfspr (IBAT5L); - u = mfspr (IBAT5U); - break; - case DBAT6: - l = mfspr (DBAT6L); - u = mfspr (DBAT6U); - break; - case IBAT6: - l = mfspr (IBAT6L); - u = mfspr (IBAT6U); - break; - case DBAT7: - l = mfspr (DBAT7L); - u = mfspr (DBAT7U); - break; - case IBAT7: - l = mfspr (IBAT7L); - u = mfspr (IBAT7U); - break; -#endif - default: - return (-1); - } - - *upper = u; - *lower = l; - - return (0); -} - -void print_bats(void) -{ - printf("BAT registers:\n"); - - printf ("\tIBAT0L = 0x%08X ", mfspr (IBAT0L)); - printf ("\tIBAT0U = 0x%08X\n", mfspr (IBAT0U)); - printf ("\tDBAT0L = 0x%08X ", mfspr (DBAT0L)); - printf ("\tDBAT0U = 0x%08X\n", mfspr (DBAT0U)); - printf ("\tIBAT1L = 0x%08X ", mfspr (IBAT1L)); - printf ("\tIBAT1U = 0x%08X\n", mfspr (IBAT1U)); - printf ("\tDBAT1L = 0x%08X ", mfspr (DBAT1L)); - printf ("\tDBAT1U = 0x%08X\n", mfspr (DBAT1U)); - printf ("\tIBAT2L = 0x%08X ", mfspr (IBAT2L)); - printf ("\tIBAT2U = 0x%08X\n", mfspr (IBAT2U)); - printf ("\tDBAT2L = 0x%08X ", mfspr (DBAT2L)); - printf ("\tDBAT2U = 0x%08X\n", mfspr (DBAT2U)); - printf ("\tIBAT3L = 0x%08X ", mfspr (IBAT3L)); - printf ("\tIBAT3U = 0x%08X\n", mfspr (IBAT3U)); - printf ("\tDBAT3L = 0x%08X ", mfspr (DBAT3L)); - printf ("\tDBAT3U = 0x%08X\n", mfspr (DBAT3U)); - -#ifdef CONFIG_HIGH_BATS - printf ("\tIBAT4L = 0x%08X ", mfspr (IBAT4L)); - printf ("\tIBAT4U = 0x%08X\n", mfspr (IBAT4U)); - printf ("\tDBAT4L = 0x%08X ", mfspr (DBAT4L)); - printf ("\tDBAT4U = 0x%08X\n", mfspr (DBAT4U)); - printf ("\tIBAT5L = 0x%08X ", mfspr (IBAT5L)); - printf ("\tIBAT5U = 0x%08X\n", mfspr (IBAT5U)); - printf ("\tDBAT5L = 0x%08X ", mfspr (DBAT5L)); - printf ("\tDBAT5U = 0x%08X\n", mfspr (DBAT5U)); - printf ("\tIBAT6L = 0x%08X ", mfspr (IBAT6L)); - printf ("\tIBAT6U = 0x%08X\n", mfspr (IBAT6U)); - printf ("\tDBAT6L = 0x%08X ", mfspr (DBAT6L)); - printf ("\tDBAT6U = 0x%08X\n", mfspr (DBAT6U)); - printf ("\tIBAT7L = 0x%08X ", mfspr (IBAT7L)); - printf ("\tIBAT7U = 0x%08X\n", mfspr (IBAT7U)); - printf ("\tDBAT7L = 0x%08X ", mfspr (DBAT7L)); - printf ("\tDBAT7U = 0x%08X\n", mfspr (DBAT7U)); -#endif -} diff --git a/lib_ppc/board.c b/lib_ppc/board.c deleted file mode 100644 index a30acee..0000000 --- a/lib_ppc/board.c +++ /dev/null @@ -1,1084 +0,0 @@ -/* - * (C) Copyright 2000-2010 - * 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 <common.h> -#include <watchdog.h> -#include <command.h> -#include <malloc.h> -#include <stdio_dev.h> -#ifdef CONFIG_8xx -#include <mpc8xx.h> -#endif -#ifdef CONFIG_5xx -#include <mpc5xx.h> -#endif -#ifdef CONFIG_MPC5xxx -#include <mpc5xxx.h> -#endif -#if defined(CONFIG_CMD_IDE) -#include <ide.h> -#endif -#if defined(CONFIG_CMD_SCSI) -#include <scsi.h> -#endif -#if defined(CONFIG_CMD_KGDB) -#include <kgdb.h> -#endif -#ifdef CONFIG_STATUS_LED -#include <status_led.h> -#endif -#include <net.h> -#ifdef CONFIG_GENERIC_MMC -#include <mmc.h> -#endif -#include <serial.h> -#ifdef CONFIG_SYS_ALLOC_DPRAM -#if !defined(CONFIG_CPM2) -#include <commproc.h> -#endif -#endif -#include <version.h> -#if defined(CONFIG_BAB7xx) -#include <w83c553f.h> -#endif -#include <dtt.h> -#if defined(CONFIG_POST) -#include <post.h> -#endif -#if defined(CONFIG_LOGBUFFER) -#include <logbuff.h> -#endif -#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) -#include <asm/cache.h> -#endif -#ifdef CONFIG_PS2KBD -#include <keyboard.h> -#endif - -#ifdef CONFIG_ADDR_MAP -#include <asm/mmu.h> -#endif - -#ifdef CONFIG_MP -#include <asm/mp.h> -#endif - -#ifdef CONFIG_BITBANGMII -#include <miiphy.h> -#endif - -#ifdef CONFIG_SYS_UPDATE_FLASH_SIZE -extern int update_flash_size (int flash_size); -#endif - -#if defined(CONFIG_SC3) -extern void sc3_read_eeprom(void); -#endif - -#if defined(CONFIG_CMD_DOC) -void doc_init (void); -#endif -#if defined(CONFIG_HARD_I2C) || \ - defined(CONFIG_SOFT_I2C) -#include <i2c.h> -#endif -#include <spi.h> -#include <nand.h> - -static char *failed = "*** failed ***\n"; - -#if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU) -extern flash_info_t flash_info[]; -#endif - -#if defined(CONFIG_START_IDE) -extern int board_start_ide(void); -#endif -#include <environment.h> - -DECLARE_GLOBAL_DATA_PTR; - -#if defined(CONFIG_ENV_IS_EMBEDDED) -#define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN -#elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ - (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ - defined(CONFIG_ENV_IS_IN_NVRAM) -#define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) -#else -#define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN -#endif - -#if !defined(CONFIG_SYS_MEM_TOP_HIDE) -#define CONFIG_SYS_MEM_TOP_HIDE 0 -#endif - -extern ulong __init_end; -extern ulong _end; -ulong monitor_flash_len; - -#if defined(CONFIG_CMD_BEDBUG) -#include <bedbug/type.h> -#endif - -/************************************************************************ - * Utilities * - ************************************************************************ - */ - -/* - * All attempts to come up with a "common" initialization sequence - * that works for all boards and architectures failed: some of the - * requirements are just _too_ different. To get rid of the resulting - * mess of board dependend #ifdef'ed code we now make the whole - * initialization sequence configurable to the user. - * - * The requirements for any new initalization function is simple: it - * receives a pointer to the "global data" structure as it's only - * argument, and returns an integer return code, where 0 means - * "continue" and != 0 means "fatal error, hang the system". - */ -typedef int (init_fnc_t) (void); - -/************************************************************************ - * Init Utilities * - ************************************************************************ - * Some of this code should be moved into the core functions, - * but let's get it working (again) first... - */ - -static int init_baudrate (void) -{ - char tmp[64]; /* long enough for environment variables */ - int i = getenv_r ("baudrate", tmp, sizeof (tmp)); - - gd->baudrate = (i > 0) - ? (int) simple_strtoul (tmp, NULL, 10) - : CONFIG_BAUDRATE; - return (0); -} - -/***********************************************************************/ - -void __board_add_ram_info(int use_default) -{ - /* please define platform specific board_add_ram_info() */ -} -void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info"))); - - -static int init_func_ram (void) -{ -#ifdef CONFIG_BOARD_TYPES - int board_type = gd->board_type; -#else - int board_type = 0; /* use dummy arg */ -#endif - puts ("DRAM: "); - - if ((gd->ram_size = initdram (board_type)) > 0) { - print_size (gd->ram_size, ""); - board_add_ram_info(0); - putc('\n'); - return (0); - } - puts (failed); - return (1); -} - -/***********************************************************************/ - -#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) -static int init_func_i2c (void) -{ - puts ("I2C: "); - i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); - puts ("ready\n"); - return (0); -} -#endif - -#if defined(CONFIG_HARD_SPI) -static int init_func_spi (void) -{ - puts ("SPI: "); - spi_init (); - puts ("ready\n"); - return (0); -} -#endif - -/***********************************************************************/ - -#if defined(CONFIG_WATCHDOG) -static int init_func_watchdog_init (void) -{ - puts (" Watchdog enabled\n"); - WATCHDOG_RESET (); - return (0); -} -# define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init, - -static int init_func_watchdog_reset (void) -{ - WATCHDOG_RESET (); - return (0); -} -# define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset, -#else -# define INIT_FUNC_WATCHDOG_INIT /* undef */ -# define INIT_FUNC_WATCHDOG_RESET /* undef */ -#endif /* CONFIG_WATCHDOG */ - -/************************************************************************ - * Initialization sequence * - ************************************************************************ - */ - -init_fnc_t *init_sequence[] = { -#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) - probecpu, -#endif -#if defined(CONFIG_BOARD_EARLY_INIT_F) - board_early_init_f, -#endif -#if !defined(CONFIG_8xx_CPUCLK_DEFAULT) - get_clocks, /* get CPU and bus clocks (etc.) */ -#if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \ - && !defined(CONFIG_TQM885D) - adjust_sdram_tbs_8xx, -#endif - init_timebase, -#endif -#ifdef CONFIG_SYS_ALLOC_DPRAM -#if !defined(CONFIG_CPM2) - dpram_init, -#endif -#endif -#if defined(CONFIG_BOARD_POSTCLK_INIT) - board_postclk_init, -#endif - env_init, -#if defined(CONFIG_8xx_CPUCLK_DEFAULT) - get_clocks_866, /* get CPU and bus clocks according to the environment variable */ - sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */ - init_timebase, -#endif - init_baudrate, - serial_init, - console_init_f, - display_options, -#if defined(CONFIG_8260) - prt_8260_rsr, - prt_8260_clks, -#endif /* CONFIG_8260 */ -#if defined(CONFIG_MPC83xx) - prt_83xx_rsr, -#endif - checkcpu, -#if defined(CONFIG_MPC5xxx) - prt_mpc5xxx_clks, -#endif /* CONFIG_MPC5xxx */ -#if defined(CONFIG_MPC8220) - prt_mpc8220_clks, -#endif - checkboard, - INIT_FUNC_WATCHDOG_INIT -#if defined(CONFIG_MISC_INIT_F) - misc_init_f, -#endif - INIT_FUNC_WATCHDOG_RESET -#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) - init_func_i2c, -#endif -#if defined(CONFIG_HARD_SPI) - init_func_spi, -#endif -#ifdef CONFIG_POST - post_init_f, -#endif - INIT_FUNC_WATCHDOG_RESET - init_func_ram, -#if defined(CONFIG_SYS_DRAM_TEST) - testdram, -#endif /* CONFIG_SYS_DRAM_TEST */ - INIT_FUNC_WATCHDOG_RESET - - NULL, /* Terminate this list */ -}; - -ulong get_effective_memsize(void) -{ -#ifndef CONFIG_VERY_BIG_RAM - return gd->ram_size; -#else - /* limit stack to what we can reasonable map */ - return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ? - CONFIG_MAX_MEM_MAPPED : gd->ram_size); -#endif -} - -/************************************************************************ - * - * This is the first part of the initialization sequence that is - * implemented in C, but still running from ROM. - * - * The main purpose is to provide a (serial) console interface as - * soon as possible (so we can see any error messages), and to - * initialize the RAM so that we can relocate the monitor code to - * RAM. - * - * Be aware of the restrictions: global data is read-only, BSS is not - * initialized, and stack space is limited to a few kB. - * - ************************************************************************ - */ - -#ifdef CONFIG_LOGBUFFER -unsigned long logbuffer_base(void) -{ - return CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN; -} -#endif - -void board_init_f (ulong bootflag) -{ - bd_t *bd; - ulong len, addr, addr_sp; - ulong *s; - gd_t *id; - init_fnc_t **init_fnc_ptr; -#ifdef CONFIG_PRAM - int i; - ulong reg; - uchar tmp[64]; /* long enough for environment variables */ -#endif - - /* Pointer is writable since we allocated a register for it */ - gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); - /* compiler optimization barrier needed for GCC >= 3.4 */ - __asm__ __volatile__("": : :"memory"); - -#if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC512X) && \ - !defined(CONFIG_MPC83xx) && !defined(CONFIG_MPC85xx) && \ - !defined(CONFIG_MPC86xx) - /* Clear initial global data */ - memset ((void *) gd, 0, sizeof (gd_t)); -#endif - - for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { - if ((*init_fnc_ptr) () != 0) { - hang (); - } - } - - /* - * Now that we have DRAM mapped and working, we can - * relocate the code and continue running from DRAM. - * - * Reserve memory at end of RAM for (top down in that order): - * - area that won't get touched by U-Boot and Linux (optional) - * - kernel log buffer - * - protected RAM - * - LCD framebuffer - * - monitor code - * - board info struct - */ - len = (ulong)&_end - CONFIG_SYS_MONITOR_BASE; - - /* - * Subtract specified amount of memory to hide so that it won't - * get "touched" at all by U-Boot. By fixing up gd->ram_size - * the Linux kernel should now get passed the now "corrected" - * memory size and won't touch it either. This should work - * for arch/ppc and arch/powerpc. Only Linux board ports in - * arch/powerpc with bootwrapper support, that recalculate the - * memory size from the SDRAM controller setup will have to - * get fixed. - */ - gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE; - - addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize(); - -#if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500)) - /* - * We need to make sure the location we intend to put secondary core - * boot code is reserved and not used by any part of u-boot - */ - if (addr > determine_mp_bootpg()) { - addr = determine_mp_bootpg(); - debug ("Reserving MP boot page to %08lx\n", addr); - } -#endif - -#ifdef CONFIG_LOGBUFFER -#ifndef CONFIG_ALT_LB_ADDR - /* reserve kernel log buffer */ - addr -= (LOGBUFF_RESERVE); - debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr); -#endif -#endif - -#ifdef CONFIG_PRAM - /* - * reserve protected RAM - */ - i = getenv_r ("pram", (char *)tmp, sizeof (tmp)); - reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM; - addr -= (reg << 10); /* size is in kB */ - debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr); -#endif /* CONFIG_PRAM */ - - /* round down to next 4 kB limit */ - addr &= ~(4096 - 1); - debug ("Top of RAM usable for U-Boot at: %08lx\n", addr); - -#ifdef CONFIG_LCD - /* reserve memory for LCD display (always full pages) */ - addr = lcd_setmem (addr); - gd->fb_base = addr; -#endif /* CONFIG_LCD */ - -#if defined(CONFIG_VIDEO) && defined(CONFIG_8xx) - /* reserve memory for video display (always full pages) */ - addr = video_setmem (addr); - gd->fb_base = addr; -#endif /* CONFIG_VIDEO */ - - /* - * reserve memory for U-Boot code, data & bss - * round down to next 4 kB limit - */ - addr -= len; - addr &= ~(4096 - 1); -#ifdef CONFIG_E500 - /* round down to next 64 kB limit so that IVPR stays aligned */ - addr &= ~(65536 - 1); -#endif - - debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr); - - /* - * reserve memory for malloc() arena - */ - addr_sp = addr - TOTAL_MALLOC_LEN; - debug ("Reserving %dk for malloc() at: %08lx\n", - TOTAL_MALLOC_LEN >> 10, addr_sp); - - /* - * (permanently) allocate a Board Info struct - * and a permanent copy of the "global" data - */ - addr_sp -= sizeof (bd_t); - bd = (bd_t *) addr_sp; - gd->bd = bd; - debug ("Reserving %zu Bytes for Board Info at: %08lx\n", - sizeof (bd_t), addr_sp); - addr_sp -= sizeof (gd_t); - id = (gd_t *) addr_sp; - debug ("Reserving %zu Bytes for Global Data at: %08lx\n", - sizeof (gd_t), addr_sp); - - /* - * Finally, we set up a new (bigger) stack. - * - * Leave some safety gap for SP, force alignment on 16 byte boundary - * Clear initial stack frame - */ - addr_sp -= 16; - addr_sp &= ~0xF; - s = (ulong *)addr_sp; - *s-- = 0; - *s-- = 0; - addr_sp = (ulong)s; - debug ("Stack Pointer at: %08lx\n", addr_sp); - - /* - * Save local variables to board info struct - */ - - bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */ - bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */ - -#ifdef CONFIG_IP860 - bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */ - bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */ -#elif defined CONFIG_MPC8220 - bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM memory */ - bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM memory */ -#else - bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */ - bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */ -#endif - -#if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \ - defined(CONFIG_E500) || defined(CONFIG_MPC86xx) - bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */ -#endif -#if defined(CONFIG_MPC5xxx) - bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */ -#endif -#if defined(CONFIG_MPC83xx) - bd->bi_immrbar = CONFIG_SYS_IMMR; -#endif -#if defined(CONFIG_MPC8220) - bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */ - bd->bi_inpfreq = gd->inp_clk; - bd->bi_pcifreq = gd->pci_clk; - bd->bi_vcofreq = gd->vco_clk; - bd->bi_pevfreq = gd->pev_clk; - bd->bi_flbfreq = gd->flb_clk; - - /* store bootparam to sram (backward compatible), here? */ - { - u32 *sram = (u32 *)CONFIG_SYS_SRAM_BASE; - *sram++ = gd->ram_size; - *sram++ = gd->bus_clk; - *sram++ = gd->inp_clk; - *sram++ = gd->cpu_clk; - *sram++ = gd->vco_clk; - *sram++ = gd->flb_clk; - *sram++ = 0xb8c3ba11; /* boot signature */ - } -#endif - - bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */ - - WATCHDOG_RESET (); - bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */ - bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */ -#if defined(CONFIG_CPM2) - bd->bi_cpmfreq = gd->cpm_clk; - bd->bi_brgfreq = gd->brg_clk; - bd->bi_sccfreq = gd->scc_clk; - bd->bi_vco = gd->vco_out; -#endif /* CONFIG_CPM2 */ -#if defined(CONFIG_MPC512X) - bd->bi_ipsfreq = gd->ips_clk; -#endif /* CONFIG_MPC512X */ -#if defined(CONFIG_MPC5xxx) - bd->bi_ipbfreq = gd->ipb_clk; - bd->bi_pcifreq = gd->pci_clk; -#endif /* CONFIG_MPC5xxx */ - bd->bi_baudrate = gd->baudrate; /* Console Baudrate */ - -#ifdef CONFIG_SYS_EXTBDINFO - strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version)); - strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version)); - - bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */ - bd->bi_plb_busfreq = gd->bus_clk; -#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \ - defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) - bd->bi_pci_busfreq = get_PCI_freq (); - bd->bi_opbfreq = get_OPB_freq (); -#elif defined(CONFIG_XILINX_405) - bd->bi_pci_busfreq = get_PCI_freq (); -#endif -#endif - - debug ("New Stack Pointer is: %08lx\n", addr_sp); - - WATCHDOG_RESET (); - -#ifdef CONFIG_POST - post_bootmode_init(); - post_run (NULL, POST_ROM | post_bootmode_get(0)); -#endif - - WATCHDOG_RESET(); - - gd->relocaddr = addr; /* Record relocation address, useful for debug */ - - memcpy (id, (void *)gd, sizeof (gd_t)); - - relocate_code (addr_sp, id, addr); - - /* NOTREACHED - relocate_code() does not return */ -} - -/************************************************************************ - * - * This is the next part if the initialization sequence: we are now - * running from RAM and have a "normal" C environment, i. e. global - * data can be written, BSS has been cleared, the stack size in not - * that critical any more, etc. - * - ************************************************************************ - */ -void board_init_r (gd_t *id, ulong dest_addr) -{ - char *s; - bd_t *bd; - ulong malloc_start; - -#ifndef CONFIG_SYS_NO_FLASH - ulong flash_size; -#endif - - gd = id; /* initialize RAM version of global data */ - bd = gd->bd; - - gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ - - /* The Malloc area is immediately below the monitor copy in DRAM */ - malloc_start = dest_addr - TOTAL_MALLOC_LEN; - -#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) - /* - * The gd->cpu pointer is set to an address in flash before relocation. - * We need to update it to point to the same CPU entry in RAM. - */ - gd->cpu += dest_addr - CONFIG_SYS_MONITOR_BASE; -#endif - -#ifdef CONFIG_SERIAL_MULTI - serial_initialize(); -#endif - - debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr); - - WATCHDOG_RESET (); - - /* - * Setup trap handlers - */ - trap_init (dest_addr); - -#ifdef CONFIG_ADDR_MAP - init_addr_map(); -#endif - -#if defined(CONFIG_BOARD_EARLY_INIT_R) - board_early_init_r (); -#endif - - monitor_flash_len = (ulong)&__init_end - dest_addr; - - WATCHDOG_RESET (); - -#ifdef CONFIG_LOGBUFFER - logbuff_init_ptrs (); -#endif -#ifdef CONFIG_POST - post_output_backlog (); -#endif - - WATCHDOG_RESET(); - -#if defined(CONFIG_SYS_DELAYED_ICACHE) || defined(CONFIG_MPC83xx) - icache_enable (); /* it's time to enable the instruction cache */ -#endif - -#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) - unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */ -#endif - -#if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45) - /* - * Do PCI configuration on BAB7xx and CPC45 _before_ the flash - * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus - * bridge there. - */ - pci_init (); -#endif -#if defined(CONFIG_BAB7xx) - /* - * Initialise the ISA bridge - */ - initialise_w83c553f (); -#endif - - asm ("sync ; isync"); - - mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN); - -#if !defined(CONFIG_SYS_NO_FLASH) - puts ("FLASH: "); - - if ((flash_size = flash_init ()) > 0) { -# ifdef CONFIG_SYS_FLASH_CHECKSUM - print_size (flash_size, ""); - /* - * Compute and print flash CRC if flashchecksum is set to 'y' - * - * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX - */ - s = getenv ("flashchecksum"); - if (s && (*s == 'y')) { - printf (" CRC: %08X", - crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size) - ); - } - putc ('\n'); -# else /* !CONFIG_SYS_FLASH_CHECKSUM */ - print_size (flash_size, "\n"); -# endif /* CONFIG_SYS_FLASH_CHECKSUM */ - } else { - puts (failed); - hang (); - } - - bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */ - bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */ - -#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE) - /* Make a update of the Memctrl. */ - update_flash_size (flash_size); -#endif - - -# if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU) - /* flash mapped at end of memory map */ - bd->bi_flashoffset = TEXT_BASE + flash_size; -# elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE - bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */ -# else - bd->bi_flashoffset = 0; -# endif -#else /* CONFIG_SYS_NO_FLASH */ - - bd->bi_flashsize = 0; - bd->bi_flashstart = 0; - bd->bi_flashoffset = 0; -#endif /* !CONFIG_SYS_NO_FLASH */ - - WATCHDOG_RESET (); - - /* initialize higher level parts of CPU like time base and timers */ - cpu_init_r (); - - WATCHDOG_RESET (); - -#ifdef CONFIG_SPI -# if !defined(CONFIG_ENV_IS_IN_EEPROM) - spi_init_f (); -# endif - spi_init_r (); -#endif - -#if defined(CONFIG_CMD_NAND) - WATCHDOG_RESET (); - puts ("NAND: "); - nand_init(); /* go init the NAND */ -#endif - - /* relocate environment function pointers etc. */ - env_relocate (); - - /* - * Fill in missing fields of bd_info. - * We do this here, where we have "normal" access to the - * environment; we used to do this still running from ROM, - * where had to use getenv_r(), which can be pretty slow when - * the environment is in EEPROM. - */ - -#if defined(CONFIG_SYS_EXTBDINFO) -#if defined(CONFIG_405GP) || defined(CONFIG_405EP) -#if defined(CONFIG_I2CFAST) - /* - * set bi_iic_fast for linux taking environment variable - * "i2cfast" into account - */ - { - char *s = getenv ("i2cfast"); - if (s && ((*s == 'y') || (*s == 'Y'))) { - bd->bi_iic_fast[0] = 1; - bd->bi_iic_fast[1] = 1; - } else { - bd->bi_iic_fast[0] = 0; - bd->bi_iic_fast[1] = 0; - } - } -#else - bd->bi_iic_fast[0] = 0; - bd->bi_iic_fast[1] = 0; -#endif /* CONFIG_I2CFAST */ -#endif /* CONFIG_405GP, CONFIG_405EP */ -#endif /* CONFIG_SYS_EXTBDINFO */ - -#if defined(CONFIG_SC3) - sc3_read_eeprom(); -#endif - -#if defined (CONFIG_ID_EEPROM) || defined (CONFIG_SYS_I2C_MAC_OFFSET) - mac_read_from_eeprom(); -#endif - -#ifdef CONFIG_HERMES - if ((gd->board_type >> 16) == 2) - bd->bi_ethspeed = gd->board_type & 0xFFFF; - else - bd->bi_ethspeed = 0xFFFF; -#endif - -#ifdef CONFIG_CMD_NET - /* kept around for legacy kernels only ... ignore the next section */ - eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr); -#ifdef CONFIG_HAS_ETH1 - eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr); -#endif -#ifdef CONFIG_HAS_ETH2 - eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr); -#endif -#ifdef CONFIG_HAS_ETH3 - eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr); -#endif -#ifdef CONFIG_HAS_ETH4 - eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr); -#endif -#ifdef CONFIG_HAS_ETH5 - eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr); -#endif -#endif /* CONFIG_CMD_NET */ - - /* IP Address */ - bd->bi_ip_addr = getenv_IPaddr ("ipaddr"); - - WATCHDOG_RESET (); - -#if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45) - /* - * Do pci configuration - */ - pci_init (); -#endif - -/** leave this here (after malloc(), environment and PCI are working) **/ - /* Initialize stdio devices */ - stdio_init (); - - /* Initialize the jump table for applications */ - jumptable_init (); - -#if defined(CONFIG_API) - /* Initialize API */ - api_init (); -#endif - - /* Initialize the console (after the relocation and devices init) */ - console_init_r (); - -#if defined(CONFIG_MISC_INIT_R) - /* miscellaneous platform dependent initialisations */ - misc_init_r (); -#endif - -#ifdef CONFIG_HERMES - if (bd->bi_ethspeed != 0xFFFF) - hermes_start_lxt980 ((int) bd->bi_ethspeed); -#endif - -#if defined(CONFIG_CMD_KGDB) - WATCHDOG_RESET (); - puts ("KGDB: "); - kgdb_init (); -#endif - - debug ("U-Boot relocated to %08lx\n", dest_addr); - - /* - * Enable Interrupts - */ - interrupt_init (); - - /* Must happen after interrupts are initialized since - * an irq handler gets installed - */ -#ifdef CONFIG_SERIAL_SOFTWARE_FIFO - serial_buffered_init(); -#endif - -#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) - status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING); -#endif - - udelay (20); - - set_timer (0); - - /* Initialize from environment */ - if ((s = getenv ("loadaddr")) != NULL) { - load_addr = simple_strtoul (s, NULL, 16); - } -#if defined(CONFIG_CMD_NET) - if ((s = getenv ("bootfile")) != NULL) { - copy_filename (BootFile, s, sizeof (BootFile)); - } -#endif - - WATCHDOG_RESET (); - -#if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */ - dtt_init (); -#endif -#if defined(CONFIG_CMD_SCSI) - WATCHDOG_RESET (); - puts ("SCSI: "); - scsi_init (); -#endif - -#ifdef CONFIG_GENERIC_MMC - WATCHDOG_RESET (); - puts ("MMC: "); - mmc_initialize (bd); -#endif - -#if defined(CONFIG_CMD_DOC) - WATCHDOG_RESET (); - puts ("DOC: "); - doc_init (); -#endif - -#ifdef CONFIG_BITBANGMII - bb_miiphy_init(); -#endif -#if defined(CONFIG_CMD_NET) -#if defined(CONFIG_NET_MULTI) - WATCHDOG_RESET (); - puts ("Net: "); -#endif - eth_initialize (bd); -#endif - -#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R) - WATCHDOG_RESET (); - debug ("Reset Ethernet PHY\n"); - reset_phy (); -#endif - -#ifdef CONFIG_POST - post_run (NULL, POST_RAM | post_bootmode_get(0)); -#endif - -#if defined(CONFIG_CMD_PCMCIA) \ - && !defined(CONFIG_CMD_IDE) - WATCHDOG_RESET (); - puts ("PCMCIA:"); - pcmcia_init (); -#endif - -#if defined(CONFIG_CMD_IDE) - WATCHDOG_RESET (); -# ifdef CONFIG_IDE_8xx_PCCARD - puts ("PCMCIA:"); -# else - puts ("IDE: "); -#endif -#if defined(CONFIG_START_IDE) - if (board_start_ide()) - ide_init (); -#else - ide_init (); -#endif -#endif - -#ifdef CONFIG_LAST_STAGE_INIT - WATCHDOG_RESET (); - /* - * Some parts can be only initialized if all others (like - * Interrupts) are up and running (i.e. the PC-style ISA - * keyboard). - */ - last_stage_init (); -#endif - -#if defined(CONFIG_CMD_BEDBUG) - WATCHDOG_RESET (); - bedbug_init (); -#endif - -#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER) - /* - * Export available size of memory for Linux, - * taking into account the protected RAM at top of memory - */ - { - ulong pram; - uchar memsz[32]; -#ifdef CONFIG_PRAM - char *s; - - if ((s = getenv ("pram")) != NULL) { - pram = simple_strtoul (s, NULL, 10); - } else { - pram = CONFIG_PRAM; - } -#else - pram=0; -#endif -#ifdef CONFIG_LOGBUFFER -#ifndef CONFIG_ALT_LB_ADDR - /* Also take the logbuffer into account (pram is in kB) */ - pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024; -#endif -#endif - sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram); - setenv ("mem", (char *)memsz); - } -#endif - -#ifdef CONFIG_PS2KBD - puts ("PS/2: "); - kbd_init(); -#endif - -#ifdef CONFIG_MODEM_SUPPORT - { - extern int do_mdm_init; - do_mdm_init = gd->do_mdm_init; - } -#endif - - /* Initialization complete - start the monitor */ - - /* main_loop() can return to retry autoboot, if so just run it again. */ - for (;;) { - WATCHDOG_RESET (); - main_loop (); - } - - /* NOTREACHED - no way out of command loop except booting */ -} - -void hang (void) -{ - puts ("### ERROR ### Please RESET the board ###\n"); - show_boot_progress(-30); - for (;;); -} - - -#if 0 /* We could use plain global data, but the resulting code is bigger */ -/* - * Pointer to initial global data area - * - * Here we initialize it. - */ -#undef XTRN_DECLARE_GLOBAL_DATA_PTR -#define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */ -DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); -#endif /* 0 */ - -/************************************************************************/ diff --git a/lib_ppc/bootm.c b/lib_ppc/bootm.c deleted file mode 100644 index 0685a93..0000000 --- a/lib_ppc/bootm.c +++ /dev/null @@ -1,367 +0,0 @@ -/* - * (C) Copyright 2008 Semihalf - * - * (C) Copyright 2000-2006 - * 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 <common.h> -#include <watchdog.h> -#include <command.h> -#include <image.h> -#include <malloc.h> -#include <u-boot/zlib.h> -#include <bzlib.h> -#include <environment.h> -#include <asm/byteorder.h> - -#if defined(CONFIG_OF_LIBFDT) -#include <fdt.h> -#include <libfdt.h> -#include <fdt_support.h> - -#endif - -#ifdef CONFIG_SYS_INIT_RAM_LOCK -#include <asm/cache.h> -#endif - -DECLARE_GLOBAL_DATA_PTR; - -extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); -extern ulong get_effective_memsize(void); -static ulong get_sp (void); -static void set_clocks_in_mhz (bd_t *kbd); - -#ifndef CONFIG_SYS_LINUX_LOWMEM_MAX_SIZE -#define CONFIG_SYS_LINUX_LOWMEM_MAX_SIZE (768*1024*1024) -#endif - -static void boot_jump_linux(bootm_headers_t *images) -{ - void (*kernel)(bd_t *, ulong r4, ulong r5, ulong r6, - ulong r7, ulong r8, ulong r9); -#ifdef CONFIG_OF_LIBFDT - char *of_flat_tree = images->ft_addr; -#endif - - kernel = (void (*)(bd_t *, ulong, ulong, ulong, - ulong, ulong, ulong))images->ep; - debug ("## Transferring control to Linux (at address %08lx) ...\n", - (ulong)kernel); - - show_boot_progress (15); - -#if defined(CONFIG_SYS_INIT_RAM_LOCK) && !defined(CONFIG_E500) - unlock_ram_in_cache(); -#endif - -#if defined(CONFIG_OF_LIBFDT) - if (of_flat_tree) { /* device tree; boot new style */ - /* - * Linux Kernel Parameters (passing device tree): - * r3: pointer to the fdt - * r4: 0 - * r5: 0 - * r6: epapr magic - * r7: size of IMA in bytes - * r8: 0 - * r9: 0 - */ -#if defined(CONFIG_85xx) || defined(CONFIG_440) - #define EPAPR_MAGIC (0x45504150) -#else - #define EPAPR_MAGIC (0x65504150) -#endif - - debug (" Booting using OF flat tree...\n"); - WATCHDOG_RESET (); - (*kernel) ((bd_t *)of_flat_tree, 0, 0, EPAPR_MAGIC, - CONFIG_SYS_BOOTMAPSZ, 0, 0); - /* does not return */ - } else -#endif - { - /* - * Linux Kernel Parameters (passing board info data): - * r3: ptr to board info data - * r4: initrd_start or 0 if no initrd - * r5: initrd_end - unused if r4 is 0 - * r6: Start of command line string - * r7: End of command line string - * r8: 0 - * r9: 0 - */ - ulong cmd_start = images->cmdline_start; - ulong cmd_end = images->cmdline_end; - ulong initrd_start = images->initrd_start; - ulong initrd_end = images->initrd_end; - bd_t *kbd = images->kbd; - - debug (" Booting using board info...\n"); - WATCHDOG_RESET (); - (*kernel) (kbd, initrd_start, initrd_end, - cmd_start, cmd_end, 0, 0); - /* does not return */ - } - return ; -} - -void arch_lmb_reserve(struct lmb *lmb) -{ - phys_size_t bootm_size; - ulong size, sp, bootmap_base; - - bootmap_base = getenv_bootm_low(); - bootm_size = getenv_bootm_size(); - -#ifdef DEBUG - if (((u64)bootmap_base + bootm_size) > - (CONFIG_SYS_SDRAM_BASE + (u64)gd->ram_size)) - puts("WARNING: bootm_low + bootm_size exceed total memory\n"); - if ((bootmap_base + bootm_size) > get_effective_memsize()) - puts("WARNING: bootm_low + bootm_size exceed eff. memory\n"); -#endif - - size = min(bootm_size, get_effective_memsize()); - size = min(size, CONFIG_SYS_LINUX_LOWMEM_MAX_SIZE); - - if (size < bootm_size) { - ulong base = bootmap_base + size; - printf("WARNING: adjusting available memory to %lx\n", size); - lmb_reserve(lmb, base, bootm_size - size); - } - - /* - * Booting a (Linux) kernel image - * - * Allocate space for command line and board info - the - * address should be as high as possible within the reach of - * the kernel (see CONFIG_SYS_BOOTMAPSZ settings), but in unused - * memory, which means far enough below the current stack - * pointer. - */ - sp = get_sp(); - debug ("## Current stack ends at 0x%08lx\n", sp); - - /* adjust sp by 1K to be safe */ - sp -= 1024; - lmb_reserve(lmb, sp, (CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - sp)); - - return ; -} - -static void boot_prep_linux(void) -{ -#ifdef CONFIG_MP - /* if we are MP make sure to flush the dcache() to any changes are made - * visibile to all other cores */ - flush_dcache(); -#endif - return ; -} - -static int boot_cmdline_linux(bootm_headers_t *images) -{ - ulong bootmap_base = getenv_bootm_low(); - ulong of_size = images->ft_len; - struct lmb *lmb = &images->lmb; - ulong *cmd_start = &images->cmdline_start; - ulong *cmd_end = &images->cmdline_end; - - int ret = 0; - - if (!of_size) { - /* allocate space and init command line */ - ret = boot_get_cmdline (lmb, cmd_start, cmd_end, bootmap_base); - if (ret) { - puts("ERROR with allocation of cmdline\n"); - return ret; - } - } - - return ret; -} - -static int boot_bd_t_linux(bootm_headers_t *images) -{ - ulong bootmap_base = getenv_bootm_low(); - ulong of_size = images->ft_len; - struct lmb *lmb = &images->lmb; - bd_t **kbd = &images->kbd; - - int ret = 0; - - if (!of_size) { - /* allocate space for kernel copy of board info */ - ret = boot_get_kbd (lmb, kbd, bootmap_base); - if (ret) { - puts("ERROR with allocation of kernel bd\n"); - return ret; - } - set_clocks_in_mhz(*kbd); - } - - return ret; -} - -static int boot_body_linux(bootm_headers_t *images) -{ - ulong rd_len; - struct lmb *lmb = &images->lmb; - ulong *initrd_start = &images->initrd_start; - ulong *initrd_end = &images->initrd_end; -#if defined(CONFIG_OF_LIBFDT) - ulong bootmap_base = getenv_bootm_low(); - ulong of_size = images->ft_len; - char **of_flat_tree = &images->ft_addr; -#endif - - int ret; - - /* allocate space and init command line */ - ret = boot_cmdline_linux(images); - if (ret) - return ret; - - /* allocate space for kernel copy of board info */ - ret = boot_bd_t_linux(images); - if (ret) - return ret; - - rd_len = images->rd_end - images->rd_start; - ret = boot_ramdisk_high (lmb, images->rd_start, rd_len, initrd_start, initrd_end); - if (ret) - return ret; - -#if defined(CONFIG_OF_LIBFDT) - ret = boot_relocate_fdt(lmb, bootmap_base, of_flat_tree, &of_size); - if (ret) - return ret; - - /* - * Add the chosen node if it doesn't exist, add the env and bd_t - * if the user wants it (the logic is in the subroutines). - */ - if (of_size) { - if (fdt_chosen(*of_flat_tree, 1) < 0) { - puts ("ERROR: "); - puts ("/chosen node create failed"); - puts (" - must RESET the board to recover.\n"); - return -1; - } -#ifdef CONFIG_OF_BOARD_SETUP - /* Call the board-specific fixup routine */ - ft_board_setup(*of_flat_tree, gd->bd); -#endif - - /* Delete the old LMB reservation */ - lmb_free(lmb, (phys_addr_t)(u32)*of_flat_tree, - (phys_size_t)fdt_totalsize(*of_flat_tree)); - - ret = fdt_resize(*of_flat_tree); - if (ret < 0) - return ret; - of_size = ret; - - if (*initrd_start && *initrd_end) - of_size += FDT_RAMDISK_OVERHEAD; - /* Create a new LMB reservation */ - lmb_reserve(lmb, (ulong)*of_flat_tree, of_size); - - /* fixup the initrd now that we know where it should be */ - if (*initrd_start && *initrd_end) - fdt_initrd(*of_flat_tree, *initrd_start, *initrd_end, 1); - } -#endif /* CONFIG_OF_LIBFDT */ - return 0; -} - -__attribute__((noinline)) -int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) -{ - int ret; - - if (flag & BOOTM_STATE_OS_CMDLINE) { - boot_cmdline_linux(images); - return 0; - } - - if (flag & BOOTM_STATE_OS_BD_T) { - boot_bd_t_linux(images); - return 0; - } - - if (flag & BOOTM_STATE_OS_PREP) { - boot_prep_linux(); - return 0; - } - - if (flag & BOOTM_STATE_OS_GO) { - boot_jump_linux(images); - return 0; - } - - boot_prep_linux(); - ret = boot_body_linux(images); - if (ret) - return ret; - boot_jump_linux(images); - - return 0; -} - -static ulong get_sp (void) -{ - ulong sp; - - asm( "mr %0,1": "=r"(sp) : ); - return sp; -} - -static void set_clocks_in_mhz (bd_t *kbd) -{ - char *s; - - if ((s = getenv ("clocks_in_mhz")) != NULL) { - /* convert all clock information to MHz */ - kbd->bi_intfreq /= 1000000L; - kbd->bi_busfreq /= 1000000L; -#if defined(CONFIG_MPC8220) - kbd->bi_inpfreq /= 1000000L; - kbd->bi_pcifreq /= 1000000L; - kbd->bi_pevfreq /= 1000000L; - kbd->bi_flbfreq /= 1000000L; - kbd->bi_vcofreq /= 1000000L; -#endif -#if defined(CONFIG_CPM2) - kbd->bi_cpmfreq /= 1000000L; - kbd->bi_brgfreq /= 1000000L; - kbd->bi_sccfreq /= 1000000L; - kbd->bi_vco /= 1000000L; -#endif -#if defined(CONFIG_MPC5xxx) - kbd->bi_ipbfreq /= 1000000L; - kbd->bi_pcifreq /= 1000000L; -#endif /* CONFIG_MPC5xxx */ - } -} diff --git a/lib_ppc/cache.c b/lib_ppc/cache.c deleted file mode 100644 index 338b08b..0000000 --- a/lib_ppc/cache.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - * (C) Copyright 2002 - * 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 <common.h> -#include <asm/cache.h> -#include <watchdog.h> - -void flush_cache(ulong start_addr, ulong size) -{ -#ifndef CONFIG_5xx - ulong addr, start, end; - - start = start_addr & ~(CONFIG_SYS_CACHELINE_SIZE - 1); - end = start_addr + size - 1; - - for (addr = start; (addr <= end) && (addr >= start); - addr += CONFIG_SYS_CACHELINE_SIZE) { - asm volatile("dcbst 0,%0" : : "r" (addr) : "memory"); - WATCHDOG_RESET(); - } - /* wait for all dcbst to complete on bus */ - asm volatile("sync" : : : "memory"); - - for (addr = start; (addr <= end) && (addr >= start); - addr += CONFIG_SYS_CACHELINE_SIZE) { - asm volatile("icbi 0,%0" : : "r" (addr) : "memory"); - WATCHDOG_RESET(); - } - asm volatile("sync" : : : "memory"); - /* flush prefetch queue */ - asm volatile("isync" : : : "memory"); -#endif -} diff --git a/lib_ppc/config.mk b/lib_ppc/config.mk deleted file mode 100644 index 06a3b10..0000000 --- a/lib_ppc/config.mk +++ /dev/null @@ -1,44 +0,0 @@ -# -# (C) Copyright 2000-2002 -# 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 -# - -CROSS_COMPILE ?= ppc_8xx- - -STANDALONE_LOAD_ADDR = 0x40000 - -PLATFORM_RELFLAGS += -mrelocatable -PLATFORM_CPPFLAGS += -DCONFIG_PPC -D__powerpc__ -PLATFORM_LDFLAGS += -n - -# -# When cross-compiling on NetBSD, we have to define __PPC__ or else we -# will pick up a va_list declaration that is incompatible with the -# actual argument lists emitted by the compiler. -# -# [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3] - -ifeq ($(CROSS_COMPILE),powerpc-netbsd-) -PLATFORM_CPPFLAGS+= -D__PPC__ -endif -ifeq ($(CROSS_COMPILE),powerpc-openbsd-) -PLATFORM_CPPFLAGS+= -D__PPC__ -endif diff --git a/lib_ppc/extable.c b/lib_ppc/extable.c deleted file mode 100644 index 7408d5c..0000000 --- a/lib_ppc/extable.c +++ /dev/null @@ -1,83 +0,0 @@ -/* - * Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se> - * - * (C) Copyright 2000 - * 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 <common.h> - -/* - * The exception table consists of pairs of addresses: the first is the - * address of an instruction that is allowed to fault, and the second is - * the address at which the program should continue. No registers are - * modified, so it is entirely up to the continuation code to figure out - * what to do. - * - * All the routines below use bits of fixup code that are out of line - * with the main instruction path. This means when everything is well, - * we don't even have to jump over them. Further, they do not intrude - * on our cache or tlb entries. - */ - -DECLARE_GLOBAL_DATA_PTR; - -struct exception_table_entry -{ - unsigned long insn, fixup; -}; - -extern const struct exception_table_entry __start___ex_table[]; -extern const struct exception_table_entry __stop___ex_table[]; - -static inline unsigned long -search_one_table(const struct exception_table_entry *first, - const struct exception_table_entry *last, - unsigned long value) -{ - long diff; - while (first <= last) { - diff = first->insn - value; - if (diff == 0) - return first->fixup; - first++; - } - - return 0; -} - -int ex_tab_message = 1; - -unsigned long -search_exception_table(unsigned long addr) -{ - unsigned long ret; - - /* There is only the kernel to search. */ - ret = search_one_table(__start___ex_table, __stop___ex_table-1, addr); - /* if the serial port does not hang in exception, printf can be used */ -#if !defined(CONFIG_SYS_SERIAL_HANG_IN_EXCEPTION) - if (ex_tab_message) - debug("Bus Fault @ 0x%08lx, fixup 0x%08lx\n", addr, ret); -#endif - if (ret) return ret; - - return 0; -} diff --git a/lib_ppc/interrupts.c b/lib_ppc/interrupts.c deleted file mode 100644 index f603170..0000000 --- a/lib_ppc/interrupts.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - * (C) Copyright 2000-2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2003 - * Gleb Natapov <gnatapov@mrv.com> - * - * 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 <asm/processor.h> -#include <watchdog.h> -#ifdef CONFIG_STATUS_LED -#include <status_led.h> -#endif - -#ifdef CONFIG_SHOW_ACTIVITY -void board_show_activity (ulong) __attribute__((weak, alias("__board_show_activity"))); - -void __board_show_activity (ulong dummy) -{ - return; -} -#endif /* CONFIG_SHOW_ACTIVITY */ - -#ifndef CONFIG_SYS_WATCHDOG_FREQ -#define CONFIG_SYS_WATCHDOG_FREQ (CONFIG_SYS_HZ / 2) -#endif - -extern int interrupt_init_cpu (unsigned *); -extern void timer_interrupt_cpu (struct pt_regs *); - -static unsigned decrementer_count; /* count value for 1e6/HZ microseconds */ - -static __inline__ unsigned long get_msr (void) -{ - unsigned long msr; - - asm volatile ("mfmsr %0":"=r" (msr):); - - return msr; -} - -static __inline__ void set_msr (unsigned long msr) -{ - asm volatile ("mtmsr %0"::"r" (msr)); -} - -static __inline__ unsigned long get_dec (void) -{ - unsigned long val; - - asm volatile ("mfdec %0":"=r" (val):); - - return val; -} - - -static __inline__ void set_dec (unsigned long val) -{ - if (val) - asm volatile ("mtdec %0"::"r" (val)); -} - - -void enable_interrupts (void) -{ - set_msr (get_msr () | MSR_EE); -} - -/* returns flag if MSR_EE was set before */ -int disable_interrupts (void) -{ - ulong msr = get_msr (); - - set_msr (msr & ~MSR_EE); - return ((msr & MSR_EE) != 0); -} - -int interrupt_init (void) -{ - int ret; - - /* call cpu specific function from $(CPU)/interrupts.c */ - ret = interrupt_init_cpu (&decrementer_count); - - if (ret) - return ret; - - set_dec (decrementer_count); - - set_msr (get_msr () | MSR_EE); - - return (0); -} - -static volatile ulong timestamp = 0; - -void timer_interrupt (struct pt_regs *regs) -{ - /* call cpu specific function from $(CPU)/interrupts.c */ - timer_interrupt_cpu (regs); - - /* Restore Decrementer Count */ - set_dec (decrementer_count); - - timestamp++; - -#if defined(CONFIG_WATCHDOG) || defined (CONFIG_HW_WATCHDOG) - if ((timestamp % (CONFIG_SYS_WATCHDOG_FREQ)) == 0) - WATCHDOG_RESET (); -#endif /* CONFIG_WATCHDOG || CONFIG_HW_WATCHDOG */ - -#ifdef CONFIG_STATUS_LED - status_led_tick (timestamp); -#endif /* CONFIG_STATUS_LED */ - -#ifdef CONFIG_SHOW_ACTIVITY - board_show_activity (timestamp); -#endif /* CONFIG_SHOW_ACTIVITY */ -} - -void reset_timer (void) -{ - timestamp = 0; -} - -ulong get_timer (ulong base) -{ - return (timestamp - base); -} - -void set_timer (ulong t) -{ - timestamp = t; -} diff --git a/lib_ppc/kgdb.c b/lib_ppc/kgdb.c deleted file mode 100644 index d3eb1f3..0000000 --- a/lib_ppc/kgdb.c +++ /dev/null @@ -1,321 +0,0 @@ -#include <common.h> -#include <command.h> -#include <kgdb.h> -#include <asm/signal.h> -#include <asm/processor.h> - -#define PC_REGNUM 64 -#define SP_REGNUM 1 - -void breakinst(void); - -int -kgdb_setjmp(long *buf) -{ - asm ("mflr 0; stw 0,0(%0);" - "stw 1,4(%0); stw 2,8(%0);" - "mfcr 0; stw 0,12(%0);" - "stmw 13,16(%0)" - : : "r" (buf)); - /* XXX should save fp regs as well */ - return 0; -} - -void -kgdb_longjmp(long *buf, int val) -{ - if (val == 0) - val = 1; - asm ("lmw 13,16(%0);" - "lwz 0,12(%0); mtcrf 0x38,0;" - "lwz 0,0(%0); lwz 1,4(%0); lwz 2,8(%0);" - "mtlr 0; mr 3,%1" - : : "r" (buf), "r" (val)); -} - -static inline unsigned long -get_msr(void) -{ - unsigned long msr; - asm volatile("mfmsr %0" : "=r" (msr):); - return msr; -} - -static inline void -set_msr(unsigned long msr) -{ - asm volatile("mtmsr %0" : : "r" (msr)); -} - -/* Convert the SPARC hardware trap type code to a unix signal number. */ -/* - * This table contains the mapping between PowerPC hardware trap types, and - * signals, which are primarily what GDB understands. - */ -static struct hard_trap_info -{ - unsigned int tt; /* Trap type code for powerpc */ - unsigned char signo; /* Signal that we map this trap into */ -} hard_trap_info[] = { - { 0x200, SIGSEGV }, /* machine check */ - { 0x300, SIGSEGV }, /* address error (store) */ - { 0x400, SIGBUS }, /* instruction bus error */ - { 0x500, SIGINT }, /* interrupt */ - { 0x600, SIGBUS }, /* alingment */ - { 0x700, SIGTRAP }, /* breakpoint trap */ - { 0x800, SIGFPE }, /* fpu unavail */ - { 0x900, SIGALRM }, /* decrementer */ - { 0xa00, SIGILL }, /* reserved */ - { 0xb00, SIGILL }, /* reserved */ - { 0xc00, SIGCHLD }, /* syscall */ - { 0xd00, SIGTRAP }, /* single-step/watch */ - { 0xe00, SIGFPE }, /* fp assist */ - { 0, 0} /* Must be last */ -}; - -static int -computeSignal(unsigned int tt) -{ - struct hard_trap_info *ht; - - for (ht = hard_trap_info; ht->tt && ht->signo; ht++) - if (ht->tt == tt) - return ht->signo; - - return SIGHUP; /* default for things we don't know about */ -} - -void -kgdb_enter(struct pt_regs *regs, kgdb_data *kdp) -{ - unsigned long msr; - - kdp->private[0] = msr = get_msr(); - set_msr(msr & ~MSR_EE); /* disable interrupts */ - - if (regs->nip == (unsigned long)breakinst) { - /* Skip over breakpoint trap insn */ - regs->nip += 4; - } - regs->msr &= ~MSR_SE; - - /* reply to host that an exception has occurred */ - kdp->sigval = computeSignal(regs->trap); - - kdp->nregs = 2; - - kdp->regs[0].num = PC_REGNUM; - kdp->regs[0].val = regs->nip; - - kdp->regs[1].num = SP_REGNUM; - kdp->regs[1].val = regs->gpr[SP_REGNUM]; -} - -void -kgdb_exit(struct pt_regs *regs, kgdb_data *kdp) -{ - unsigned long msr = kdp->private[0]; - - if (kdp->extype & KGDBEXIT_WITHADDR) - regs->nip = kdp->exaddr; - - switch (kdp->extype & KGDBEXIT_TYPEMASK) { - - case KGDBEXIT_KILL: - case KGDBEXIT_CONTINUE: - set_msr(msr); - break; - - case KGDBEXIT_SINGLE: - regs->msr |= MSR_SE; -#if 0 - set_msr(msr | MSR_SE); -#endif - break; - } -} - -int -kgdb_trap(struct pt_regs *regs) -{ - return (regs->trap); -} - -/* return the value of the CPU registers. - * some of them are non-PowerPC names :( - * they are stored in gdb like: - * struct { - * u32 gpr[32]; - * f64 fpr[32]; - * u32 pc, ps, cnd, lr; (ps=msr) - * u32 cnt, xer, mq; - * } - */ - -#define SPACE_REQUIRED ((32*4)+(32*8)+(6*4)) - -#ifdef CONFIG_8260 -/* store floating double indexed */ -#define STFDI(n,p) __asm__ __volatile__ ("stfd " #n ",%0" : "=o"(p[2*n])) -/* store floating double multiple */ -#define STFDM(p) { STFDI( 0,p); STFDI( 1,p); STFDI( 2,p); STFDI( 3,p); \ - STFDI( 4,p); STFDI( 5,p); STFDI( 6,p); STFDI( 7,p); \ - STFDI( 8,p); STFDI( 9,p); STFDI(10,p); STFDI(11,p); \ - STFDI(12,p); STFDI(13,p); STFDI(14,p); STFDI(15,p); \ - STFDI(16,p); STFDI(17,p); STFDI(18,p); STFDI(19,p); \ - STFDI(20,p); STFDI(21,p); STFDI(22,p); STFDI(23,p); \ - STFDI(24,p); STFDI(25,p); STFDI(26,p); STFDI(27,p); \ - STFDI(28,p); STFDI(29,p); STFDI(30,p); STFDI(31,p); } -#endif - -int -kgdb_getregs(struct pt_regs *regs, char *buf, int max) -{ - int i; - unsigned long *ptr = (unsigned long *)buf; - - if (max < SPACE_REQUIRED) - kgdb_error(KGDBERR_NOSPACE); - - if ((unsigned long)ptr & 3) - kgdb_error(KGDBERR_ALIGNFAULT); - - /* General Purpose Regs */ - for (i = 0; i < 32; i++) - *ptr++ = regs->gpr[i]; - - /* Floating Point Regs */ -#ifdef CONFIG_8260 - STFDM(ptr); - ptr += 32*2; -#else - for (i = 0; i < 32; i++) { - *ptr++ = 0; - *ptr++ = 0; - } -#endif - - /* pc, msr, cr, lr, ctr, xer, (mq is unused) */ - *ptr++ = regs->nip; - *ptr++ = regs->msr; - *ptr++ = regs->ccr; - *ptr++ = regs->link; - *ptr++ = regs->ctr; - *ptr++ = regs->xer; - - return (SPACE_REQUIRED); -} - -/* set the value of the CPU registers */ - -#ifdef CONFIG_8260 -/* load floating double */ -#define LFD(n,v) __asm__ __volatile__ ("lfd " #n ",%0" :: "o"(v)) -/* load floating double indexed */ -#define LFDI(n,p) __asm__ __volatile__ ("lfd " #n ",%0" :: "o"((p)[2*n])) -/* load floating double multiple */ -#define LFDM(p) { LFDI( 0,p); LFDI( 1,p); LFDI( 2,p); LFDI( 3,p); \ - LFDI( 4,p); LFDI( 5,p); LFDI( 6,p); LFDI( 7,p); \ - LFDI( 8,p); LFDI( 9,p); LFDI(10,p); LFDI(11,p); \ - LFDI(12,p); LFDI(13,p); LFDI(14,p); LFDI(15,p); \ - LFDI(16,p); LFDI(17,p); LFDI(18,p); LFDI(19,p); \ - LFDI(20,p); LFDI(21,p); LFDI(22,p); LFDI(23,p); \ - LFDI(24,p); LFDI(25,p); LFDI(26,p); LFDI(27,p); \ - LFDI(28,p); LFDI(29,p); LFDI(30,p); LFDI(31,p); } -#endif - -void -kgdb_putreg(struct pt_regs *regs, int regno, char *buf, int length) -{ - unsigned long *ptr = (unsigned long *)buf; - - if (regno < 0 || regno >= 70) - kgdb_error(KGDBERR_BADPARAMS); - else if (regno >= 32 && regno < 64) { - if (length < 8) - kgdb_error(KGDBERR_NOSPACE); - } - else { - if (length < 4) - kgdb_error(KGDBERR_NOSPACE); - } - - if ((unsigned long)ptr & 3) - kgdb_error(KGDBERR_ALIGNFAULT); - - if (regno >= 0 && regno < 32) - regs->gpr[regno] = *ptr; - else switch (regno) { - -#ifdef CONFIG_8260 -#define caseF(n) \ - case (n) + 32: LFD(n, *ptr); break; - -caseF( 0) caseF( 1) caseF( 2) caseF( 3) caseF( 4) caseF( 5) caseF( 6) caseF( 7) -caseF( 8) caseF( 9) caseF(10) caseF(11) caseF(12) caseF(13) caseF(14) caseF(15) -caseF(16) caseF(17) caseF(18) caseF(19) caseF(20) caseF(21) caseF(22) caseF(23) -caseF(24) caseF(25) caseF(26) caseF(27) caseF(28) caseF(29) caseF(30) caseF(31) - -#undef caseF -#endif - - case 64: regs->nip = *ptr; break; - case 65: regs->msr = *ptr; break; - case 66: regs->ccr = *ptr; break; - case 67: regs->link = *ptr; break; - case 68: regs->ctr = *ptr; break; - case 69: regs->ctr = *ptr; break; - - default: - kgdb_error(KGDBERR_BADPARAMS); - } -} - -void -kgdb_putregs(struct pt_regs *regs, char *buf, int length) -{ - int i; - unsigned long *ptr = (unsigned long *)buf; - - if (length < SPACE_REQUIRED) - kgdb_error(KGDBERR_NOSPACE); - - if ((unsigned long)ptr & 3) - kgdb_error(KGDBERR_ALIGNFAULT); - - /* - * If the stack pointer has moved, you should pray. - * (cause only god can help you). - */ - - /* General Purpose Regs */ - for (i = 0; i < 32; i++) - regs->gpr[i] = *ptr++; - - /* Floating Point Regs */ -#ifdef CONFIG_8260 - LFDM(ptr); -#endif - ptr += 32*2; - - /* pc, msr, cr, lr, ctr, xer, (mq is unused) */ - regs->nip = *ptr++; - regs->msr = *ptr++; - regs->ccr = *ptr++; - regs->link = *ptr++; - regs->ctr = *ptr++; - regs->xer = *ptr++; -} - -/* This function will generate a breakpoint exception. It is used at the - beginning of a program to sync up with a debugger and can be used - otherwise as a quick means to stop program execution and "break" into - the debugger. */ - -void -kgdb_breakpoint(int argc, char *argv[]) -{ - asm(" .globl breakinst\n\ - breakinst: .long 0x7d821008\n\ - "); -} diff --git a/lib_ppc/ppccache.S b/lib_ppc/ppccache.S deleted file mode 100644 index 278a804..0000000 --- a/lib_ppc/ppccache.S +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Copyright (C) 1998 Dan Malek <dmalek@jlc.net> - * Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se> - * Copyright (C) 2000, 2001,2002 Wolfgang Denk <wd@denx.de> - * Copyright Freescale Semiconductor, Inc. 2004, 2006. - * - * 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 <config.h> -#include <ppc_asm.tmpl> - -/*------------------------------------------------------------------------------- */ -/* Function: ppcDcbf */ -/* Description: Data Cache block flush */ -/* Input: r3 = effective address */ -/* Output: none. */ -/*------------------------------------------------------------------------------- */ - .globl ppcDcbf -ppcDcbf: - dcbf r0,r3 - blr - -/*------------------------------------------------------------------------------- */ -/* Function: ppcDcbi */ -/* Description: Data Cache block Invalidate */ -/* Input: r3 = effective address */ -/* Output: none. */ -/*------------------------------------------------------------------------------- */ - .globl ppcDcbi -ppcDcbi: - dcbi r0,r3 - blr - -/*-------------------------------------------------------------------------- - * Function: ppcDcbz - * Description: Data Cache block zero. - * Input: r3 = effective address - * Output: none. - *-------------------------------------------------------------------------- */ - - .globl ppcDcbz -ppcDcbz: - dcbz r0,r3 - blr - -/*------------------------------------------------------------------------------- */ -/* Function: ppcSync */ -/* Description: Processor Synchronize */ -/* Input: none. */ -/* Output: none. */ -/*------------------------------------------------------------------------------- */ - .globl ppcSync -ppcSync: - sync - blr diff --git a/lib_ppc/ppcstring.S b/lib_ppc/ppcstring.S deleted file mode 100644 index 97023a0..0000000 --- a/lib_ppc/ppcstring.S +++ /dev/null @@ -1,216 +0,0 @@ -/* - * String handling functions for PowerPC. - * - * Copyright (C) 1996 Paul Mackerras. - * - * 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. - */ -#include <ppc_asm.tmpl> -#include <asm/errno.h> - - .globl strcpy -strcpy: - addi r5,r3,-1 - addi r4,r4,-1 -1: lbzu r0,1(r4) - cmpwi 0,r0,0 - stbu r0,1(r5) - bne 1b - blr - - .globl strncpy -strncpy: - cmpwi 0,r5,0 - beqlr - mtctr r5 - addi r6,r3,-1 - addi r4,r4,-1 -1: lbzu r0,1(r4) - cmpwi 0,r0,0 - stbu r0,1(r6) - bdnzf 2,1b /* dec ctr, branch if ctr != 0 && !cr0.eq */ - blr - - .globl strcat -strcat: - addi r5,r3,-1 - addi r4,r4,-1 -1: lbzu r0,1(r5) - cmpwi 0,r0,0 - bne 1b - addi r5,r5,-1 -1: lbzu r0,1(r4) - cmpwi 0,r0,0 - stbu r0,1(r5) - bne 1b - blr - - .globl strcmp -strcmp: - addi r5,r3,-1 - addi r4,r4,-1 -1: lbzu r3,1(r5) - cmpwi 1,r3,0 - lbzu r0,1(r4) - subf. r3,r0,r3 - beqlr 1 - beq 1b - blr - - .globl strlen -strlen: - addi r4,r3,-1 -1: lbzu r0,1(r4) - cmpwi 0,r0,0 - bne 1b - subf r3,r3,r4 - blr - - .globl memset -memset: - rlwimi r4,r4,8,16,23 - rlwimi r4,r4,16,0,15 - addi r6,r3,-4 - cmplwi 0,r5,4 - blt 7f - stwu r4,4(r6) - beqlr - andi. r0,r6,3 - add r5,r0,r5 - subf r6,r0,r6 - rlwinm r0,r5,32-2,2,31 - mtctr r0 - bdz 6f -1: stwu r4,4(r6) - bdnz 1b -6: andi. r5,r5,3 -7: cmpwi 0,r5,0 - beqlr - mtctr r5 - addi r6,r6,3 -8: stbu r4,1(r6) - bdnz 8b - blr - - .globl bcopy -bcopy: - mr r6,r3 - mr r3,r4 - mr r4,r6 - b memcpy - - .globl memmove -memmove: - cmplw 0,r3,r4 - bgt backwards_memcpy - /* fall through */ - - .globl memcpy -memcpy: - rlwinm. r7,r5,32-3,3,31 /* r0 = r5 >> 3 */ - addi r6,r3,-4 - addi r4,r4,-4 - beq 2f /* if less than 8 bytes to do */ - andi. r0,r6,3 /* get dest word aligned */ - mtctr r7 - bne 5f -1: lwz r7,4(r4) - lwzu r8,8(r4) - stw r7,4(r6) - stwu r8,8(r6) - bdnz 1b - andi. r5,r5,7 -2: cmplwi 0,r5,4 - blt 3f - lwzu r0,4(r4) - addi r5,r5,-4 - stwu r0,4(r6) -3: cmpwi 0,r5,0 - beqlr - mtctr r5 - addi r4,r4,3 - addi r6,r6,3 -4: lbzu r0,1(r4) - stbu r0,1(r6) - bdnz 4b - blr -5: subfic r0,r0,4 - mtctr r0 -6: lbz r7,4(r4) - addi r4,r4,1 - stb r7,4(r6) - addi r6,r6,1 - bdnz 6b - subf r5,r0,r5 - rlwinm. r7,r5,32-3,3,31 - beq 2b - mtctr r7 - b 1b - - .globl backwards_memcpy -backwards_memcpy: - rlwinm. r7,r5,32-3,3,31 /* r0 = r5 >> 3 */ - add r6,r3,r5 - add r4,r4,r5 - beq 2f - andi. r0,r6,3 - mtctr r7 - bne 5f -1: lwz r7,-4(r4) - lwzu r8,-8(r4) - stw r7,-4(r6) - stwu r8,-8(r6) - bdnz 1b - andi. r5,r5,7 -2: cmplwi 0,r5,4 - blt 3f - lwzu r0,-4(r4) - subi r5,r5,4 - stwu r0,-4(r6) -3: cmpwi 0,r5,0 - beqlr - mtctr r5 -4: lbzu r0,-1(r4) - stbu r0,-1(r6) - bdnz 4b - blr -5: mtctr r0 -6: lbzu r7,-1(r4) - stbu r7,-1(r6) - bdnz 6b - subf r5,r0,r5 - rlwinm. r7,r5,32-3,3,31 - beq 2b - mtctr r7 - b 1b - - .globl memcmp -memcmp: - cmpwi 0,r5,0 - ble- 2f - mtctr r5 - addi r6,r3,-1 - addi r4,r4,-1 -1: lbzu r3,1(r6) - lbzu r0,1(r4) - subf. r3,r0,r3 - bdnzt 2,1b - blr -2: li r3,0 - blr - - .global memchr -memchr: - cmpwi 0,r5,0 - ble- 2f - mtctr r5 - addi r3,r3,-1 -1: lbzu r0,1(r3) - cmpw 0,r0,r4 - bdnzf 2,1b - beqlr -2: li r3,0 - blr diff --git a/lib_ppc/reloc.S b/lib_ppc/reloc.S deleted file mode 100644 index 50f9a83..0000000 --- a/lib_ppc/reloc.S +++ /dev/null @@ -1,49 +0,0 @@ -/* - * Copyright (C) 2009 Wolfgang Denk <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 <ppc_asm.tmpl> - - .file "reloc.S" - - .text -#ifndef CONFIG_NAND_SPL - /* - * Function: relocate entries for one exception vector - */ - .globl trap_reloc - .type trap_reloc, @function -trap_reloc: - lwz r0, 0(r7) /* hdlr ... */ - add r0, r0, r3 /* ... += dest_addr */ - stw r0, 0(r7) - - lwz r0, 4(r7) /* int_return ... */ - add r0, r0, r3 /* ... += dest_addr */ - stw r0, 4(r7) - - lwz r0, 8(r7) /* transfer_to_handler ...*/ - add r0, r0, r3 /* ... += dest_addr */ - stw r0, 8(r7) - - blr - .size trap_reloc, .-trap_reloc -#endif diff --git a/lib_ppc/ticks.S b/lib_ppc/ticks.S deleted file mode 100644 index b8d25b7..0000000 --- a/lib_ppc/ticks.S +++ /dev/null @@ -1,65 +0,0 @@ -/* - * (C) Copyright 2000, 2001 - * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com. - * base on code by - * 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 <ppc_asm.tmpl> -#include <ppc_defs.h> -#include <config.h> -#include <watchdog.h> - -/* - * unsigned long long get_ticks(void); - * - * read timebase as "long long" - */ - .globl get_ticks -get_ticks: -1: mftbu r3 - mftb r4 - mftbu r5 - cmp 0,r3,r5 - bne 1b - blr - -/* - * Delay for a number of ticks - */ - .globl wait_ticks -wait_ticks: - mflr r8 /* save link register */ - mr r7, r3 /* save tick count */ - bl get_ticks /* Get start time */ - - /* Calculate end time */ - addc r7, r4, r7 /* Compute end time lower */ - addze r6, r3 /* and end time upper */ - - WATCHDOG_RESET /* Trigger watchdog, if needed */ -1: bl get_ticks /* Get current time */ - subfc r4, r4, r7 /* Subtract current time from end time */ - subfe. r3, r3, r6 - bge 1b /* Loop until time expired */ - - mtlr r8 /* restore link register */ - blr diff --git a/lib_ppc/time.c b/lib_ppc/time.c deleted file mode 100644 index 2909961..0000000 --- a/lib_ppc/time.c +++ /dev/null @@ -1,97 +0,0 @@ -/* - * (C) Copyright 2000, 2001 - * 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 <common.h> - -/* ------------------------------------------------------------------------- */ - -/* - * This function is intended for SHORT delays only. - * It will overflow at around 10 seconds @ 400MHz, - * or 20 seconds @ 200MHz. - */ -unsigned long usec2ticks(unsigned long usec) -{ - ulong ticks; - - if (usec < 1000) { - ticks = ((usec * (get_tbclk()/1000)) + 500) / 1000; - } else { - ticks = ((usec / 10) * (get_tbclk() / 100000)); - } - - return (ticks); -} - -/* ------------------------------------------------------------------------- */ - -/* - * We implement the delay by converting the delay (the number of - * microseconds to wait) into a number of time base ticks; then we - * watch the time base until it has incremented by that amount. - */ -void __udelay(unsigned long usec) -{ - ulong ticks = usec2ticks (usec); - wait_ticks (ticks); -} - -/* ------------------------------------------------------------------------- */ -#ifndef CONFIG_NAND_SPL -unsigned long ticks2usec(unsigned long ticks) -{ - ulong tbclk = get_tbclk(); - - /* usec = ticks * 1000000 / tbclk - * Multiplication would overflow at ~4.2e3 ticks, - * so we break it up into - * usec = ( ( ticks * 1000) / tbclk ) * 1000; - */ - ticks *= 1000L; - ticks /= tbclk; - ticks *= 1000L; - - return ((ulong)ticks); -} -#endif -/* ------------------------------------------------------------------------- */ - -int init_timebase (void) -{ -#if defined(CONFIG_5xx) || defined(CONFIG_8xx) - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - - /* unlock */ - immap->im_sitk.sitk_tbk = KAPWR_KEY; -#endif - - /* reset */ - asm ("li 3,0 ; mttbu 3 ; mttbl 3 ;"); - -#if defined(CONFIG_5xx) || defined(CONFIG_8xx) - /* enable */ - immap->im_sit.sit_tbscr |= TBSCR_TBE; -#endif - return (0); -} -/* ------------------------------------------------------------------------- */ |