]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - common/board_f.c
sandbox: Allow return from board_init_f()
[karo-tx-uboot.git] / common / board_f.c
index 3a6638f8ee7c497078bcf82874f1087e0a8fd51a..6f77e1d1295a1e66841ebe41bb0a9f23ebb97e9d 100644 (file)
@@ -7,23 +7,7 @@
  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
  * Marius Groeger <mgroeger@sysgo.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
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -53,6 +37,7 @@
 #include <os.h>
 #include <post.h>
 #include <spi.h>
+#include <trace.h>
 #include <watchdog.h>
 #include <asm/errno.h>
 #include <asm/io.h>
@@ -260,11 +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;
 }
@@ -421,19 +410,18 @@ 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;
 }
 
@@ -441,9 +429,9 @@ 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
@@ -455,9 +443,9 @@ 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 */
@@ -465,7 +453,7 @@ 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;
 }
 
@@ -475,12 +463,12 @@ static int reserve_mmu(void)
 {
        /* reserve TLB table */
        gd->arch.tlb_size = 4096 * 4;
-       gd->dest_addr -= gd->arch.tlb_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;
@@ -494,20 +482,32 @@ 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;
 }
@@ -519,15 +519,18 @@ 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;
 }
 
@@ -535,20 +538,20 @@ 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 *)map_sysmem(gd->dest_addr_sp, sizeof(bd_t));
+       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
@@ -563,10 +566,10 @@ static int setup_machine(void)
 
 static int reserve_global_data(void)
 {
-       gd->dest_addr_sp -= sizeof(gd_t);
-       gd->new_gd = (gd_t *)map_sysmem(gd->dest_addr_sp, sizeof(gd_t));
+       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;
 }
 
@@ -580,10 +583,10 @@ 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 = map_sysmem(gd->dest_addr_sp, gd->fdt_size);
+               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->dest_addr_sp);
+                     gd->fdt_size, gd->start_addr_sp);
        }
 
        return 0;
@@ -593,8 +596,8 @@ 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
@@ -602,9 +605,9 @@ 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
@@ -613,18 +616,18 @@ static int reserve_stacks(void)
         */
 # ifdef CONFIG_ARM
 #  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 */
@@ -635,7 +638,7 @@ 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;
 }
@@ -667,27 +670,6 @@ 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;
 }
@@ -778,21 +760,19 @@ 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 %08lx, sp at %08lx\n",
-             gd->dest_addr, (ulong)map_to_sysmem(gd->new_gd),
-             gd->dest_addr_sp);
+             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)
 {
@@ -812,10 +792,8 @@ static int jump_to_copy(void)
         * (CPU cache)
         */
        board_init_f_r_trampoline(gd->start_addr_sp);
-#elif defined(CONFIG_SANDBOX)
-       board_init_r(gd->new_gd, 0);
 #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;
@@ -839,8 +817,9 @@ static init_fnc_t init_sequence_f[] = {
 #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,
@@ -872,12 +851,6 @@ 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,
@@ -885,6 +858,9 @@ static init_fnc_t init_sequence_f[] = {
 #endif
 #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)
@@ -921,9 +897,6 @@ 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
@@ -932,7 +905,7 @@ 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)
@@ -990,6 +963,7 @@ 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)
@@ -1019,7 +993,7 @@ 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,
@@ -1034,11 +1008,12 @@ void board_init_f(ulong boot_flags)
 #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
@@ -1087,13 +1062,3 @@ void board_init_f_r(void)
        hang();
 }
 #endif /* CONFIG_X86 */
-
-void hang(void)
-{
-       puts("### ERROR ### Please RESET the board ###\n");
-#ifdef CONFIG_SANDBOX
-       os_exit(0);
-#else
-       for (;;);
-#endif
-}