diff options
author | Stefano Babic <sbabic@denx.de> | 2012-11-10 08:05:54 +0100 |
---|---|---|
committer | Stefano Babic <sbabic@denx.de> | 2012-11-10 08:05:54 +0100 |
commit | 3e4d27b06d7484040355e22eec2cbce7335d6dab (patch) | |
tree | 9672a2bb2e4ce0edc0ab776ddf0e2ca8e39a5f62 /arch/powerpc/lib | |
parent | bad05afe083eec0467220de21683443292c5012e (diff) | |
parent | 59852d03867108217fe88e3bfc3e1e9cedfe63c5 (diff) | |
download | u-boot-imx-3e4d27b06d7484040355e22eec2cbce7335d6dab.zip u-boot-imx-3e4d27b06d7484040355e22eec2cbce7335d6dab.tar.gz u-boot-imx-3e4d27b06d7484040355e22eec2cbce7335d6dab.tar.bz2 |
Merge git://git.denx.de/u-boot
Diffstat (limited to 'arch/powerpc/lib')
-rw-r--r-- | arch/powerpc/lib/Makefile | 1 | ||||
-rw-r--r-- | arch/powerpc/lib/board.c | 16 | ||||
-rw-r--r-- | arch/powerpc/lib/bootm.c | 2 | ||||
-rw-r--r-- | arch/powerpc/lib/extable.c | 5 | ||||
-rw-r--r-- | arch/powerpc/lib/ide.c | 201 | ||||
-rw-r--r-- | arch/powerpc/lib/ide.h | 31 |
6 files changed, 243 insertions, 13 deletions
diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile index 965f9ea..808021c 100644 --- a/arch/powerpc/lib/Makefile +++ b/arch/powerpc/lib/Makefile @@ -50,6 +50,7 @@ COBJS-y += cache.o COBJS-y += extable.o COBJS-y += interrupts.o COBJS-$(CONFIG_CMD_KGDB) += kgdb.o +COBJS-${CONFIG_CMD_IDE} += ide.o COBJS-y += time.o # Workaround for local bus unaligned access problems diff --git a/arch/powerpc/lib/board.c b/arch/powerpc/lib/board.c index b860141..1b051e1 100644 --- a/arch/powerpc/lib/board.c +++ b/arch/powerpc/lib/board.c @@ -163,7 +163,7 @@ static int init_baudrate(void) /***********************************************************************/ -void __board_add_ram_info(int use_default) +static void __board_add_ram_info(int use_default) { /* please define platform specific board_add_ram_info() */ } @@ -171,7 +171,7 @@ void __board_add_ram_info(int use_default) void board_add_ram_info(int) __attribute__ ((weak, alias("__board_add_ram_info"))); -int __board_flash_wp_on(void) +static int __board_flash_wp_on(void) { /* * Most flashes can't be detected when write protection is enabled, @@ -184,7 +184,7 @@ int __board_flash_wp_on(void) int board_flash_wp_on(void) __attribute__ ((weak, alias("__board_flash_wp_on"))); -void __cpu_secondary_init_r(void) +static void __cpu_secondary_init_r(void) { } @@ -262,7 +262,7 @@ static int init_func_watchdog_reset(void) * Initialization sequence */ -init_fnc_t *init_sequence[] = { +static init_fnc_t *init_sequence[] = { #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) probecpu, #endif @@ -345,7 +345,7 @@ ulong get_effective_memsize(void) #endif } -int __fixup_cpu(void) +static int __fixup_cpu(void) { return 0; } @@ -402,7 +402,7 @@ void board_init_f(ulong bootflag) #ifdef CONFIG_POST post_bootmode_init(); - post_run(NULL, POST_ROM | post_bootmode_get(0)); + post_run(NULL, POST_ROM | post_bootmode_get(NULL)); #endif WATCHDOG_RESET(); @@ -440,8 +440,8 @@ void board_init_f(ulong bootflag) * 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(); + if (addr > determine_mp_bootpg(NULL)) { + addr = determine_mp_bootpg(NULL); debug("Reserving MP boot page to %08lx\n", addr); } #endif diff --git a/arch/powerpc/lib/bootm.c b/arch/powerpc/lib/bootm.c index 53dc4df..ac5bd6d 100644 --- a/arch/powerpc/lib/bootm.c +++ b/arch/powerpc/lib/bootm.c @@ -326,7 +326,7 @@ static int boot_body_linux(bootm_headers_t *images) return 0; } -__attribute__((noinline)) +noinline int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *images) { int ret; diff --git a/arch/powerpc/lib/extable.c b/arch/powerpc/lib/extable.c index 7408d5c..60983ae 100644 --- a/arch/powerpc/lib/extable.c +++ b/arch/powerpc/lib/extable.c @@ -63,8 +63,6 @@ search_one_table(const struct exception_table_entry *first, return 0; } -int ex_tab_message = 1; - unsigned long search_exception_table(unsigned long addr) { @@ -74,8 +72,7 @@ search_exception_table(unsigned long addr) 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); + debug("Bus Fault @ 0x%08lx, fixup 0x%08lx\n", addr, ret); #endif if (ret) return ret; diff --git a/arch/powerpc/lib/ide.c b/arch/powerpc/lib/ide.c new file mode 100644 index 0000000..139a94a --- /dev/null +++ b/arch/powerpc/lib/ide.c @@ -0,0 +1,201 @@ +/* + * (C) Copyright 2000-2011 + * 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 + * + */ + +/* Code taken from cmd_ide.c */ +#include <common.h> +#include <ata.h> +#include "ide.h" + +#ifdef CONFIG_IDE_8xx_DIRECT +#include <mpc8xx.h> +#include <pcmcia.h> +DECLARE_GLOBAL_DATA_PTR; + +/* Timings for IDE Interface + * + * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk + * 70 165 30 PIO-Mode 0, [ns] + * 4 9 2 [Cycles] + * 50 125 20 PIO-Mode 1, [ns] + * 3 7 2 [Cycles] + * 30 100 15 PIO-Mode 2, [ns] + * 2 6 1 [Cycles] + * 30 80 10 PIO-Mode 3, [ns] + * 2 5 1 [Cycles] + * 25 70 10 PIO-Mode 4, [ns] + * 2 4 1 [Cycles] + */ + +static const pio_config_t pio_config_ns[IDE_MAX_PIO_MODE+1] = { + /* Setup Length Hold */ + { 70, 165, 30 }, /* PIO-Mode 0, [ns] */ + { 50, 125, 20 }, /* PIO-Mode 1, [ns] */ + { 30, 101, 15 }, /* PIO-Mode 2, [ns] */ + { 30, 80, 10 }, /* PIO-Mode 3, [ns] */ + { 25, 70, 10 }, /* PIO-Mode 4, [ns] */ +}; + +static pio_config_t pio_config_clk[IDE_MAX_PIO_MODE+1]; + +#ifndef CONFIG_SYS_PIO_MODE +#define CONFIG_SYS_PIO_MODE 0 /* use a relaxed default */ +#endif +static int pio_mode = CONFIG_SYS_PIO_MODE; + +/* Make clock cycles and always round up */ + +#define PCMCIA_MK_CLKS(t, T) (((t) * (T) + 999U) / 1000U) + +static void set_pcmcia_timing(int pmode) +{ + volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; + volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia); + ulong timings; + + debug("Set timing for PIO Mode %d\n", pmode); + + timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold) + | PCMCIA_SST(pio_config_clk[pmode].t_setup) + | PCMCIA_SL(pio_config_clk[pmode].t_length); + + /* + * IDE 0 + */ + pcmp->pcmc_pbr0 = CONFIG_SYS_PCMCIA_PBR0; +#if (CONFIG_SYS_PCMCIA_POR0 != 0) + pcmp->pcmc_por0 = CONFIG_SYS_PCMCIA_POR0 | timings; +#else + pcmp->pcmc_por0 = CONFIG_SYS_PCMCIA_POR0; +#endif + debug("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0); + + pcmp->pcmc_pbr1 = CONFIG_SYS_PCMCIA_PBR1; +#if (CONFIG_SYS_PCMCIA_POR1 != 0) + pcmp->pcmc_por1 = CONFIG_SYS_PCMCIA_POR1 | timings; +#else + pcmp->pcmc_por1 = CONFIG_SYS_PCMCIA_POR1; +#endif + debug("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1); + + pcmp->pcmc_pbr2 = CONFIG_SYS_PCMCIA_PBR2; +#if (CONFIG_SYS_PCMCIA_POR2 != 0) + pcmp->pcmc_por2 = CONFIG_SYS_PCMCIA_POR2 | timings; +#else + pcmp->pcmc_por2 = CONFIG_SYS_PCMCIA_POR2; +#endif + debug("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2); + + pcmp->pcmc_pbr3 = CONFIG_SYS_PCMCIA_PBR3; +#if (CONFIG_SYS_PCMCIA_POR3 != 0) + pcmp->pcmc_por3 = CONFIG_SYS_PCMCIA_POR3 | timings; +#else + pcmp->pcmc_por3 = CONFIG_SYS_PCMCIA_POR3; +#endif + debug("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3); + + /* + * IDE 1 + */ + pcmp->pcmc_pbr4 = CONFIG_SYS_PCMCIA_PBR4; +#if (CONFIG_SYS_PCMCIA_POR4 != 0) + pcmp->pcmc_por4 = CONFIG_SYS_PCMCIA_POR4 | timings; +#else + pcmp->pcmc_por4 = CONFIG_SYS_PCMCIA_POR4; +#endif + debug("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4); + + pcmp->pcmc_pbr5 = CONFIG_SYS_PCMCIA_PBR5; +#if (CONFIG_SYS_PCMCIA_POR5 != 0) + pcmp->pcmc_por5 = CONFIG_SYS_PCMCIA_POR5 | timings; +#else + pcmp->pcmc_por5 = CONFIG_SYS_PCMCIA_POR5; +#endif + debug("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5); + + pcmp->pcmc_pbr6 = CONFIG_SYS_PCMCIA_PBR6; +#if (CONFIG_SYS_PCMCIA_POR6 != 0) + pcmp->pcmc_por6 = CONFIG_SYS_PCMCIA_POR6 | timings; +#else + pcmp->pcmc_por6 = CONFIG_SYS_PCMCIA_POR6; +#endif + debug("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6); + + pcmp->pcmc_pbr7 = CONFIG_SYS_PCMCIA_PBR7; +#if (CONFIG_SYS_PCMCIA_POR7 != 0) + pcmp->pcmc_por7 = CONFIG_SYS_PCMCIA_POR7 | timings; +#else + pcmp->pcmc_por7 = CONFIG_SYS_PCMCIA_POR7; +#endif + debug("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7); + +} + +int ide_preinit(void) +{ + int i; + /* Initialize PIO timing tables */ + for (i = 0; i <= IDE_MAX_PIO_MODE; ++i) { + pio_config_clk[i].t_setup = + PCMCIA_MK_CLKS(pio_config_ns[i].t_setup, gd->bus_clk); + pio_config_clk[i].t_length = + PCMCIA_MK_CLKS(pio_config_ns[i].t_length, gd->bus_clk); + pio_config_clk[i].t_hold = + PCMCIA_MK_CLKS(pio_config_ns[i].t_hold, gd->bus_clk); + debug("PIO Mode %d: setup=%2d ns/%d clk" " len=%3d ns/%d clk" + " hold=%2d ns/%d clk\n", i, pio_config_ns[i].t_setup, + pio_config_clk[i].t_setup, pio_config_ns[i].t_length, + pio_config_clk[i].t_length, pio_config_ns[i].t_hold, + pio_config_clk[i].t_hold); + } + + return 0; +} + +int ide_init_postreset(void) +{ + volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; + volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia); + + /* PCMCIA / IDE initialization for common mem space */ + pcmp->pcmc_pgcrb = 0; + + /* start in PIO mode 0 - most relaxed timings */ + pio_mode = 0; + set_pcmcia_timing(pio_mode); + return 0; +} +#endif /* CONFIG_IDE_8xx_DIRECT */ + +#ifdef CONFIG_IDE_8xx_PCCARD +int ide_preinit(void) +{ + ide_devices_found = 0; + /* initialize the PCMCIA IDE adapter card */ + pcmcia_on(); + if (!ide_devices_found) + return 1; + udelay(1000000);/* 1 s */ + return 0; +} +#endif diff --git a/arch/powerpc/lib/ide.h b/arch/powerpc/lib/ide.h new file mode 100644 index 0000000..9e80702 --- /dev/null +++ b/arch/powerpc/lib/ide.h @@ -0,0 +1,31 @@ +/* + * (C) Copyright 2012 + * Pavel Herrmann <morpheus.ibis@gmail.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 + */ + +#ifndef _MPC8XX_IDE_H_ +#define _MPC8XX_IDE_H_ 1 + +#ifdef CONFIG_IDE_8xx_PCCARD +int pcmcia_on(void); +extern int ide_devices_found; +#endif +#endif |