X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=common%2Fboard_f.c;h=aa70c3e57de67e5041225abd88b6080fa46ca692;hb=7f673c99c2d8d1aa21996c5b914f06d784b080ca;hp=769889123b48216df5f5f89d6e18b5ffcf5668f5;hpb=18122019972ca639ee3b581257e3a63ff7c8efeb;p=platform%2Fkernel%2Fu-boot.git diff --git a/common/board_f.c b/common/board_f.c index 7698891..aa70c3e 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -7,23 +7,7 @@ * Sysgo Real-Time Solutions, GmbH * Marius Groeger * - * 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 + * SPDX-License-Identifier: GPL-2.0+ */ #include @@ -31,6 +15,7 @@ #include #include #include +#include #if defined(CONFIG_CMD_IDE) #include #endif @@ -49,9 +34,12 @@ #include #endif +#include #include #include +#include #include +#include #include #ifdef CONFIG_MP #include @@ -61,6 +49,9 @@ #include #include #endif +#ifdef CONFIG_SANDBOX +#include +#endif #include /* @@ -155,6 +146,7 @@ static int init_baud_rate(void) static int display_text_info(void) { +#ifndef CONFIG_SANDBOX ulong bss_start, bss_end; #ifdef CONFIG_SYS_SYM_OFFSETS @@ -166,6 +158,7 @@ static int display_text_info(void) #endif debug("U-Boot code: %08X -> %08lX BSS: -> %08lX\n", CONFIG_SYS_TEXT_BASE, bss_start, bss_end); +#endif #ifdef CONFIG_MODEM_SUPPORT debug("Modem Support enabled\n"); @@ -252,11 +245,15 @@ void __dram_init_banksize(void) void dram_init_banksize(void) __attribute__((weak, alias("__dram_init_banksize"))); -#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) +#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C) static int init_func_i2c(void) { puts("I2C: "); +#ifdef CONFIG_SYS_I2C + i2c_init_all(); +#else i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); +#endif puts("ready\n"); return 0; } @@ -284,6 +281,8 @@ static int setup_mon_len(void) { #ifdef CONFIG_SYS_SYM_OFFSETS gd->mon_len = _bss_end_ofs; +#elif defined(CONFIG_SANDBOX) + gd->mon_len = (ulong)&_end - (ulong)_init; #else /* TODO: use (ulong)&__bss_end - (ulong)&__text_start; ? */ gd->mon_len = (ulong)&__bss_end - CONFIG_SYS_MONITOR_BASE; @@ -296,6 +295,67 @@ __weak int arch_cpu_init(void) return 0; } +#ifdef CONFIG_OF_HOSTFILE + +#define CHECK(x) err = (x); if (err) goto failed; + +/* Create an empty device tree blob */ +static int make_empty_fdt(void *fdt) +{ + int err; + + CHECK(fdt_create(fdt, 256)); + CHECK(fdt_finish_reservemap(fdt)); + CHECK(fdt_begin_node(fdt, "")); + CHECK(fdt_end_node(fdt)); + CHECK(fdt_finish(fdt)); + + return 0; +failed: + printf("Unable to create empty FDT: %s\n", fdt_strerror(err)); + return -EACCES; +} + +static int read_fdt_from_file(void) +{ + struct sandbox_state *state = state_get_current(); + void *blob; + int size; + int err; + + blob = map_sysmem(CONFIG_SYS_FDT_LOAD_ADDR, 0); + if (!state->fdt_fname) { + err = make_empty_fdt(blob); + if (!err) + goto done; + return err; + } + err = fs_set_blk_dev("host", NULL, FS_TYPE_SANDBOX); + if (err) + return err; + size = fs_read(state->fdt_fname, CONFIG_SYS_FDT_LOAD_ADDR, 0, 0); + if (size < 0) + return -EIO; + +done: + gd->fdt_blob = blob; + + return 0; +} +#endif + +#ifdef CONFIG_SANDBOX +static int setup_ram_buf(void) +{ + struct sandbox_state *state = state_get_current(); + + gd->arch.ram_buf = state->ram_buf; + gd->ram_size = state->ram_size; + + return 0; +} +#endif + static int setup_fdt(void) { #ifdef CONFIG_OF_EMBED @@ -308,6 +368,11 @@ static int setup_fdt(void) # else gd->fdt_blob = (ulong *)&_end; # endif +#elif defined(CONFIG_OF_HOSTFILE) + if (read_fdt_from_file()) { + puts("Failed to read control FDT\n"); + return -1; + } #endif /* Allow the early environment to override the fdt address */ gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16, @@ -346,19 +411,18 @@ static int setup_dest_addr(void) #endif gd->ram_top += get_effective_memsize(); gd->ram_top = board_get_usable_ram_top(gd->mon_len); - gd->dest_addr = gd->ram_top; + gd->relocaddr = gd->ram_top; debug("Ram top: %08lX\n", (ulong)gd->ram_top); #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 (gd->dest_addr > determine_mp_bootpg(NULL)) { - gd->dest_addr = determine_mp_bootpg(NULL); - debug("Reserving MP boot page to %08lx\n", gd->dest_addr); + if (gd->relocaddr > determine_mp_bootpg(NULL)) { + gd->relocaddr = determine_mp_bootpg(NULL); + debug("Reserving MP boot page to %08lx\n", gd->relocaddr); } #endif - gd->dest_addr_sp = gd->dest_addr; return 0; } @@ -366,9 +430,9 @@ static int setup_dest_addr(void) static int reserve_logbuffer(void) { /* reserve kernel log buffer */ - gd->dest_addr -= LOGBUFF_RESERVE; + gd->relocaddr -= LOGBUFF_RESERVE; debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, - gd->dest_addr); + gd->relocaddr); return 0; } #endif @@ -380,9 +444,9 @@ static int reserve_pram(void) ulong reg; reg = getenv_ulong("pram", 10, CONFIG_PRAM); - gd->dest_addr -= (reg << 10); /* size is in kB */ + gd->relocaddr -= (reg << 10); /* size is in kB */ debug("Reserving %ldk for protected RAM at %08lx\n", reg, - gd->dest_addr); + gd->relocaddr); return 0; } #endif /* CONFIG_PRAM */ @@ -390,7 +454,7 @@ static int reserve_pram(void) /* Round memory pointer down to next 4 kB limit */ static int reserve_round_4k(void) { - gd->dest_addr &= ~(4096 - 1); + gd->relocaddr &= ~(4096 - 1); return 0; } @@ -399,13 +463,13 @@ static int reserve_round_4k(void) static int reserve_mmu(void) { /* reserve TLB table */ - gd->arch.tlb_size = 4096 * 4; - gd->dest_addr -= gd->arch.tlb_size; + gd->arch.tlb_size = PGTABLE_SIZE; + gd->relocaddr -= gd->arch.tlb_size; /* round down to next 64 kB limit */ - gd->dest_addr &= ~(0x10000 - 1); + gd->relocaddr &= ~(0x10000 - 1); - gd->arch.tlb_addr = gd->dest_addr; + gd->arch.tlb_addr = gd->relocaddr; debug("TLB table from %08lx to %08lx\n", gd->arch.tlb_addr, gd->arch.tlb_addr + gd->arch.tlb_size); return 0; @@ -419,20 +483,32 @@ static int reserve_lcd(void) gd->fb_base = CONFIG_FB_ADDR; #else /* reserve memory for LCD display (always full pages) */ - gd->dest_addr = lcd_setmem(gd->dest_addr); - gd->fb_base = gd->dest_addr; + gd->relocaddr = lcd_setmem(gd->relocaddr); + gd->fb_base = gd->relocaddr; #endif /* CONFIG_FB_ADDR */ return 0; } #endif /* CONFIG_LCD */ +static int reserve_trace(void) +{ +#ifdef CONFIG_TRACE + gd->relocaddr -= CONFIG_TRACE_BUFFER_SIZE; + gd->trace_buff = map_sysmem(gd->relocaddr, CONFIG_TRACE_BUFFER_SIZE); + debug("Reserving %dk for trace data at: %08lx\n", + CONFIG_TRACE_BUFFER_SIZE >> 10, gd->relocaddr); +#endif + + return 0; +} + #if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) \ && !defined(CONFIG_ARM) && !defined(CONFIG_X86) static int reserve_video(void) { /* reserve memory for video display (always full pages) */ - gd->dest_addr = video_setmem(gd->dest_addr); - gd->fb_base = gd->dest_addr; + gd->relocaddr = video_setmem(gd->relocaddr); + gd->fb_base = gd->relocaddr; return 0; } @@ -444,15 +520,18 @@ static int reserve_uboot(void) * reserve memory for U-Boot code, data & bss * round down to next 4 kB limit */ - gd->dest_addr -= gd->mon_len; - gd->dest_addr &= ~(4096 - 1); + gd->relocaddr -= gd->mon_len; + gd->relocaddr &= ~(4096 - 1); #ifdef CONFIG_E500 /* round down to next 64 kB limit so that IVPR stays aligned */ - gd->dest_addr &= ~(65536 - 1); + gd->relocaddr &= ~(65536 - 1); #endif debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, - gd->dest_addr); + gd->relocaddr); + + gd->start_addr_sp = gd->relocaddr; + return 0; } @@ -460,20 +539,20 @@ static int reserve_uboot(void) /* reserve memory for malloc() area */ static int reserve_malloc(void) { - gd->dest_addr_sp = gd->dest_addr - TOTAL_MALLOC_LEN; + gd->start_addr_sp = gd->start_addr_sp - TOTAL_MALLOC_LEN; debug("Reserving %dk for malloc() at: %08lx\n", - TOTAL_MALLOC_LEN >> 10, gd->dest_addr_sp); + TOTAL_MALLOC_LEN >> 10, gd->start_addr_sp); return 0; } /* (permanently) allocate a Board Info struct */ static int reserve_board(void) { - gd->dest_addr_sp -= sizeof(bd_t); - gd->bd = (bd_t *)gd->dest_addr_sp; + gd->start_addr_sp -= sizeof(bd_t); + gd->bd = (bd_t *)map_sysmem(gd->start_addr_sp, sizeof(bd_t)); memset(gd->bd, '\0', sizeof(bd_t)); debug("Reserving %zu Bytes for Board Info at: %08lx\n", - sizeof(bd_t), gd->dest_addr_sp); + sizeof(bd_t), gd->start_addr_sp); return 0; } #endif @@ -488,10 +567,10 @@ static int setup_machine(void) static int reserve_global_data(void) { - gd->dest_addr_sp -= sizeof(gd_t); - gd->new_gd = (gd_t *)gd->dest_addr_sp; + gd->start_addr_sp -= sizeof(gd_t); + gd->new_gd = (gd_t *)map_sysmem(gd->start_addr_sp, sizeof(gd_t)); debug("Reserving %zu Bytes for Global Data at: %08lx\n", - sizeof(gd_t), gd->dest_addr_sp); + sizeof(gd_t), gd->start_addr_sp); return 0; } @@ -505,10 +584,10 @@ static int reserve_fdt(void) if (gd->fdt_blob) { gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32); - gd->dest_addr_sp -= gd->fdt_size; - gd->new_fdt = (void *)gd->dest_addr_sp; - debug("Reserving %lu Bytes for FDT at: %p\n", - gd->fdt_size, gd->new_fdt); + gd->start_addr_sp -= gd->fdt_size; + gd->new_fdt = map_sysmem(gd->start_addr_sp, gd->fdt_size); + debug("Reserving %lu Bytes for FDT at: %08lx\n", + gd->fdt_size, gd->start_addr_sp); } return 0; @@ -518,8 +597,8 @@ static int reserve_stacks(void) { #ifdef CONFIG_SPL_BUILD # ifdef CONFIG_ARM - gd->dest_addr_sp -= 128; /* leave 32 words for abort-stack */ - gd->irq_sp = gd->dest_addr_sp; + gd->start_addr_sp -= 128; /* leave 32 words for abort-stack */ + gd->irq_sp = gd->start_addr_sp; # endif #else # ifdef CONFIG_PPC @@ -527,29 +606,29 @@ static int reserve_stacks(void) # endif /* setup stack pointer for exceptions */ - gd->dest_addr_sp -= 16; - gd->dest_addr_sp &= ~0xf; - gd->irq_sp = gd->dest_addr_sp; + gd->start_addr_sp -= 16; + gd->start_addr_sp &= ~0xf; + gd->irq_sp = gd->start_addr_sp; /* * Handle architecture-specific things here * TODO(sjg@chromium.org): Perhaps create arch_reserve_stack() * to handle this and put in arch/xxx/lib/stack.c */ -# ifdef CONFIG_ARM +# if defined(CONFIG_ARM) && !defined(CONFIG_ARM64) # ifdef CONFIG_USE_IRQ - gd->dest_addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ); + gd->start_addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ); debug("Reserving %zu Bytes for IRQ stack at: %08lx\n", - CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ, gd->dest_addr_sp); + CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ, gd->start_addr_sp); /* 8-byte alignment for ARM ABI compliance */ - gd->dest_addr_sp &= ~0x07; + gd->start_addr_sp &= ~0x07; # endif /* leave 3 words for abort-stack, plus 1 for alignment */ - gd->dest_addr_sp -= 16; + gd->start_addr_sp -= 16; # elif defined(CONFIG_PPC) /* Clear initial stack frame */ - s = (ulong *) gd->dest_addr_sp; + s = (ulong *) gd->start_addr_sp; *s = 0; /* Terminate back chain */ *++s = 0; /* NULL return address */ # endif /* Architecture specific code */ @@ -560,7 +639,7 @@ static int reserve_stacks(void) static int display_new_sp(void) { - debug("New Stack Pointer is: %08lx\n", gd->dest_addr_sp); + debug("New Stack Pointer is: %08lx\n", gd->start_addr_sp); return 0; } @@ -592,27 +671,6 @@ static int setup_board_part1(void) #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->arch.inp_clk; - bd->bi_pcifreq = gd->pci_clk; - bd->bi_vcofreq = gd->arch.vco_clk; - bd->bi_pevfreq = gd->arch.pev_clk; - bd->bi_flbfreq = gd->arch.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->arch.inp_clk; - *sram++ = gd->cpu_clk; - *sram++ = gd->arch.vco_clk; - *sram++ = gd->arch.flb_clk; - *sram++ = 0xb8c3ba11; /* boot signature */ - } -#endif return 0; } @@ -703,20 +761,19 @@ static int reloc_fdt(void) static int setup_reloc(void) { - gd->relocaddr = gd->dest_addr; - gd->start_addr_sp = gd->dest_addr_sp; - gd->reloc_off = gd->dest_addr - CONFIG_SYS_TEXT_BASE; + gd->reloc_off = gd->relocaddr - CONFIG_SYS_TEXT_BASE; memcpy(gd->new_gd, (char *)gd, sizeof(gd_t)); debug("Relocation Offset is: %08lx\n", gd->reloc_off); - debug("Relocating to %08lx, new gd at %p, sp at %08lx\n", - gd->dest_addr, gd->new_gd, gd->dest_addr_sp); + debug("Relocating to %08lx, new gd at %08lx, sp at %08lx\n", + gd->relocaddr, (ulong)map_to_sysmem(gd->new_gd), + gd->start_addr_sp); return 0; } /* ARM calls relocate_code from its crt0.S */ -#if !defined(CONFIG_ARM) +#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) static int jump_to_copy(void) { @@ -737,7 +794,7 @@ static int jump_to_copy(void) */ board_init_f_r_trampoline(gd->start_addr_sp); #else - relocate_code(gd->dest_addr_sp, gd->new_gd, gd->dest_addr); + relocate_code(gd->start_addr_sp, gd->new_gd, gd->relocaddr); #endif return 0; @@ -753,13 +810,12 @@ static int mark_bootstage(void) } static init_fnc_t init_sequence_f[] = { -#if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC512X) && \ - !defined(CONFIG_MPC83xx) && !defined(CONFIG_MPC85xx) && \ - !defined(CONFIG_MPC86xx) - zero_global_data, +#ifdef CONFIG_SANDBOX + setup_ram_buf, #endif - setup_fdt, setup_mon_len, + setup_fdt, + trace_early_init, #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) /* TODO: can this go into arch_cpu_init()? */ probecpu, @@ -791,12 +847,6 @@ static init_fnc_t init_sequence_f[] = { #ifdef CONFIG_ARM timer_init, /* initialize timer */ #endif -#ifdef CONFIG_BOARD_POSTCLK_INIT - board_postclk_init, -#endif -#ifdef CONFIG_FSL_ESDHC - get_clocks, -#endif #ifdef CONFIG_SYS_ALLOC_DPRAM #if !defined(CONFIG_CPM2) dpram_init, @@ -805,6 +855,9 @@ static init_fnc_t init_sequence_f[] = { #if defined(CONFIG_BOARD_POSTCLK_INIT) board_postclk_init, #endif +#ifdef CONFIG_FSL_ESDHC + get_clocks, +#endif env_init, /* initialize environment */ #if defined(CONFIG_8xx_CPUCLK_DEFAULT) /* get CPU and bus clocks according to the environment variable */ @@ -816,8 +869,11 @@ static init_fnc_t init_sequence_f[] = { init_baud_rate, /* initialze baudrate settings */ serial_init, /* serial communications setup */ console_init_f, /* stage 1 init of console */ -#if defined(CONFIG_X86) && defined(CONFIG_OF_CONTROL) - prepare_fdt, /* TODO(sjg@chromium.org): remove */ +#ifdef CONFIG_SANDBOX + sandbox_early_getopt_check, +#endif +#ifdef CONFIG_OF_CONTROL + fdtdec_prepare_fdt, #endif display_options, /* say that we are here */ display_text_info, /* show debugging info if required */ @@ -837,9 +893,6 @@ static init_fnc_t init_sequence_f[] = { #if defined(CONFIG_MPC5xxx) prt_mpc5xxx_clks, #endif /* CONFIG_MPC5xxx */ -#if defined(CONFIG_MPC8220) - prt_mpc8220_clks, -#endif #if defined(CONFIG_DISPLAY_BOARDINFO) checkboard, /* display board info */ #endif @@ -848,7 +901,7 @@ static init_fnc_t init_sequence_f[] = { misc_init_f, #endif INIT_FUNC_WATCHDOG_RESET -#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) +#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C) init_func_i2c, #endif #if defined(CONFIG_HARD_SPI) @@ -856,8 +909,7 @@ static init_fnc_t init_sequence_f[] = { #endif #ifdef CONFIG_X86 dram_init_f, /* configure available RAM banks */ - /* x86 would prefer that this happens after relocation */ - dram_init, + calculate_relocation_address, #endif announce_dram_init, /* TODO: unify all these dram functions? */ @@ -907,6 +959,7 @@ static init_fnc_t init_sequence_f[] = { #ifdef CONFIG_LCD reserve_lcd, #endif + reserve_trace, /* TODO: Why the dependency on CONFIG_8xx? */ #if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) \ && !defined(CONFIG_ARM) && !defined(CONFIG_X86) @@ -936,7 +989,7 @@ static init_fnc_t init_sequence_f[] = { INIT_FUNC_WATCHDOG_RESET reloc_fdt, setup_reloc, -#ifndef CONFIG_ARM +#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) jump_to_copy, #endif NULL, @@ -950,12 +1003,24 @@ void board_init_f(ulong boot_flags) gd = &data; #endif + /* + * Clear global data before it is accessed at debug print + * in initcall_run_list. Otherwise the debug print probably + * get the wrong vaule of gd->have_console. + */ +#if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC512X) && \ + !defined(CONFIG_MPC83xx) && !defined(CONFIG_MPC85xx) && \ + !defined(CONFIG_MPC86xx) && !defined(CONFIG_X86) + zero_global_data(); +#endif + gd->flags = boot_flags; + gd->have_console = 0; if (initcall_run_list(init_sequence_f)) hang(); -#ifndef CONFIG_ARM +#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) /* NOTREACHED - jump_to_copy() does not return */ hang(); #endif @@ -1004,9 +1069,3 @@ void board_init_f_r(void) hang(); } #endif /* CONFIG_X86 */ - -void hang(void) -{ - puts("### ERROR ### Please RESET the board ###\n"); - for (;;); -}