#include <i2c.h>
#include <initcall.h>
#include <logbuff.h>
+#include <malloc.h>
+#include <mapmem.h>
/* TODO: Can we move these into arch/ headers? */
#ifdef CONFIG_8xx
#include <asm/errno.h>
#include <asm/io.h>
#include <asm/sections.h>
-#ifdef CONFIG_X86
+#if defined(CONFIG_X86) || defined(CONFIG_ARC)
#include <asm/init_helpers.h>
#include <asm/relocate.h>
#endif
#endif
/*
- * sjg: IMO this code should be
+ * TODO(sjg@chromium.org): IMO this code should be
* refactored to a single function, something like:
*
* void led_set_state(enum led_colour_t colour, int on);
{
# if defined(CONFIG_HW_WATCHDOG) && (defined(CONFIG_BLACKFIN) || \
defined(CONFIG_M68K) || defined(CONFIG_MICROBLAZE) || \
- defined(CONFIG_SH))
+ defined(CONFIG_SH) || defined(CONFIG_AT91SAM9_WATCHDOG) || \
+ defined(CONFIG_IMX_WATCHDOG))
hw_watchdog_init();
# endif
puts(" Watchdog enabled\n");
}
#endif /* CONFIG_WATCHDOG */
-void __board_add_ram_info(int use_default)
+__weak 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_baud_rate(void)
{
gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
static int display_text_info(void)
{
#ifndef CONFIG_SANDBOX
- ulong bss_start, bss_end;
+ ulong bss_start, bss_end, text_base;
bss_start = (ulong)&__bss_start;
bss_end = (ulong)&__bss_end;
- debug("U-Boot code: %08X -> %08lX BSS: -> %08lX\n",
#ifdef CONFIG_SYS_TEXT_BASE
- CONFIG_SYS_TEXT_BASE, bss_start, bss_end);
+ text_base = CONFIG_SYS_TEXT_BASE;
#else
- CONFIG_SYS_MONITOR_BASE, bss_start, bss_end);
+ text_base = CONFIG_SYS_MONITOR_BASE;
#endif
+
+ debug("U-Boot code: %08lX -> %08lX BSS: -> %08lX\n",
+ text_base, bss_start, bss_end);
#endif
#ifdef CONFIG_MODEM_SUPPORT
return 0;
}
-#if defined(CONFIG_MIPS) || defined(CONFIG_PPC)
+#if defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_M68K)
static int init_func_ram(void)
{
#ifdef CONFIG_BOARD_TYPES
return 0;
}
-void __dram_init_banksize(void)
+__weak void dram_init_banksize(void)
{
#if defined(CONFIG_NR_DRAM_BANKS) && defined(CONFIG_SYS_SDRAM_BASE)
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
#endif
}
-void dram_init_banksize(void)
- __attribute__((weak, alias("__dram_init_banksize")));
-
#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
static int init_func_i2c(void)
{
static int setup_mon_len(void)
{
-#ifdef __ARM__
+#if defined(__ARM__) || defined(__MICROBLAZE__)
gd->mon_len = (ulong)&__bss_end - (ulong)_start;
#elif defined(CONFIG_SANDBOX)
gd->mon_len = (ulong)&_end - (ulong)_init;
return 0;
}
-#ifdef CONFIG_OF_HOSTFILE
-
-static int read_fdt_from_file(void)
+__weak unsigned long get_timer_masked(void)
{
- struct sandbox_state *state = state_get_current();
- const char *fname = state->fdt_fname;
- void *blob;
- ssize_t size;
- int err;
- int fd;
-
- blob = map_sysmem(CONFIG_SYS_FDT_LOAD_ADDR, 0);
- if (!state->fdt_fname) {
- err = fdt_create_empty_tree(blob, 256);
- if (!err)
- goto done;
- printf("Unable to create empty FDT: %s\n", fdt_strerror(err));
- return -EINVAL;
- }
-
- size = os_get_filesize(fname);
- if (size < 0) {
- printf("Failed to file FDT file '%s'\n", fname);
- return -ENOENT;
- }
- fd = os_open(fname, OS_O_RDONLY);
- if (fd < 0) {
- printf("Failed to open FDT file '%s'\n", fname);
- return -EACCES;
- }
- if (os_read(fd, blob, size) != size) {
- os_close(fd);
- return -EIO;
- }
- os_close(fd);
-
-done:
- gd->fdt_blob = blob;
-
- return 0;
+ return get_timer(0);
}
-#endif
#ifdef CONFIG_SANDBOX
static int setup_ram_buf(void)
}
#endif
-static int setup_fdt(void)
-{
-#ifdef CONFIG_OF_CONTROL
-# ifdef CONFIG_OF_EMBED
- /* Get a pointer to the FDT */
- gd->fdt_blob = __dtb_dt_begin;
-# elif defined CONFIG_OF_SEPARATE
- /* FDT is at end of image */
- gd->fdt_blob = (ulong *)&_end;
-# 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,
- (uintptr_t)gd->fdt_blob);
-#endif
- return 0;
-}
-
/* Get the top of usable RAM */
__weak ulong board_get_usable_ram_top(ulong total_size)
{
+#ifdef CONFIG_SYS_SDRAM_BASE
+ /*
+ * Detect whether we have so much RAM that it goes past the end of our
+ * 32-bit address space. If so, clip the usable RAM so it doesn't.
+ */
+ if (gd->ram_top < CONFIG_SYS_SDRAM_BASE)
+ /*
+ * Will wrap back to top of 32-bit space when reservations
+ * are made.
+ */
+ return 0;
+#endif
return gd->ram_top;
}
#if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) && \
!defined(CONFIG_ARM) && !defined(CONFIG_X86) && \
- !defined(CONFIG_BLACKFIN)
+ !defined(CONFIG_BLACKFIN) && !defined(CONFIG_M68K)
static int reserve_video(void)
{
/* reserve memory for video display (always full pages) */
static int reserve_fdt(void)
{
/*
- * If the device tree is sitting immediate above our image then we
+ * If the device tree is sitting immediately above our image then we
* must relocate it. If it is embedded in the data section, then it
* will be relocated with other data.
*/
return 0;
}
-static int reserve_stacks(void)
+int arch_reserve_stacks(void)
{
-#ifdef CONFIG_SPL_BUILD
-# ifdef CONFIG_ARM
- gd->start_addr_sp -= 128; /* leave 32 words for abort-stack */
- gd->irq_sp = gd->start_addr_sp;
-# endif
-#else
-# ifdef CONFIG_PPC
- ulong *s;
-# endif
+ return 0;
+}
- /* setup stack pointer for exceptions */
+static int reserve_stacks(void)
+{
+ /* make stack pointer 16-byte aligned */
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
+ * let the architecture-specific code tailor gd->start_addr_sp and
+ * gd->irq_sp
*/
-# if defined(CONFIG_ARM) && !defined(CONFIG_ARM64)
-# ifdef CONFIG_USE_IRQ
- 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->start_addr_sp);
-
- /* 8-byte alignment for ARM ABI compliance */
- gd->start_addr_sp &= ~0x07;
-# endif
- /* leave 3 words for abort-stack, plus 1 for alignment */
- gd->start_addr_sp -= 16;
-# elif defined(CONFIG_PPC)
- /* Clear initial stack frame */
- s = (ulong *) gd->start_addr_sp;
- *s = 0; /* Terminate back chain */
- *++s = 0; /* NULL return address */
-# endif /* Architecture specific code */
-
- return 0;
-#endif
+ return arch_reserve_stacks();
}
static int display_new_sp(void)
return 0;
}
-#ifdef CONFIG_PPC
+#if defined(CONFIG_PPC) || defined(CONFIG_M68K)
static int setup_board_part1(void)
{
bd_t *bd = gd->bd;
/*
* Save local variables to board info struct
*/
-
bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of memory */
bd->bi_memsize = gd->ram_size; /* size in bytes */
defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */
#endif
-#if defined(CONFIG_MPC5xxx)
+#if defined(CONFIG_MPC5xxx) || defined(CONFIG_M68K)
bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
#endif
#if defined(CONFIG_MPC83xx)
bd->bi_ipbfreq = gd->arch.ipb_clk;
bd->bi_pcifreq = gd->pci_clk;
#endif /* CONFIG_MPC5xxx */
+#if defined(CONFIG_M68K) && defined(CONFIG_PCI)
+ bd->bi_pcifreq = gd->pci_clk;
+#endif
+#if defined(CONFIG_EXTRA_CLOCK)
+ bd->bi_inpfreq = gd->arch.inp_clk; /* input Freq in Hz */
+ bd->bi_vcofreq = gd->arch.vco_clk; /* vco Freq in Hz */
+ bd->bi_flbfreq = gd->arch.flb_clk; /* flexbus Freq in Hz */
+#endif
return 0;
}
static int setup_reloc(void)
{
#ifdef CONFIG_SYS_TEXT_BASE
+#if defined(CONFIG_M68K)
+ /*
+ * On all ColdFire arch cpu, monitor code starts always
+ * just after the default vector table location, so at 0x400
+ */
+ gd->reloc_off = gd->relocaddr - (CONFIG_SYS_TEXT_BASE + 0x400);
+#elif defined(CONFIG_ARM)
+ gd->reloc_off = gd->relocaddr - (unsigned long)__image_copy_start;
+#else
gd->reloc_off = gd->relocaddr - CONFIG_SYS_TEXT_BASE;
+#endif
#endif
memcpy(gd->new_gd, (char *)gd, sizeof(gd_t));
* similarly for all archs. When we do generic relocation, hopefully
* we can make all archs enable the dcache prior to relocation.
*/
-#ifdef CONFIG_X86
+#if defined(CONFIG_X86) || defined(CONFIG_ARC)
/*
* SDRAM and console are now initialised. The final stack can now
* be setup in SDRAM. Code execution will continue in Flash, but
return 0;
}
-static int initf_malloc(void)
-{
-#ifdef CONFIG_SYS_MALLOC_F_LEN
- assert(gd->malloc_base); /* Set up by crt0.S */
- gd->malloc_limit = gd->malloc_base + CONFIG_SYS_MALLOC_F_LEN;
- gd->malloc_ptr = 0;
-#endif
-
- return 0;
-}
-
static int initf_dm(void)
{
#if defined(CONFIG_DM) && defined(CONFIG_SYS_MALLOC_F_LEN)
return 0;
}
+/* Architecture-specific memory reservation */
+__weak int reserve_arch(void)
+{
+ return 0;
+}
+
+__weak int arch_cpu_init_dm(void)
+{
+ return 0;
+}
+
static init_fnc_t init_sequence_f[] = {
#ifdef CONFIG_SANDBOX
setup_ram_buf,
#endif
setup_mon_len,
- setup_fdt,
+#ifdef CONFIG_OF_CONTROL
+ fdtdec_setup,
+#endif
+#ifdef CONFIG_TRACE
trace_early_init,
+#endif
+ initf_malloc,
#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
/* TODO: can this go into arch_cpu_init()? */
probecpu,
#endif
arch_cpu_init, /* basic arch cpu dependent setup */
-#ifdef CONFIG_X86
- cpu_init_f, /* TODO(sjg@chromium.org): remove */
-# ifdef CONFIG_OF_CONTROL
- find_fdt, /* TODO(sjg@chromium.org): remove */
-# endif
-#endif
mark_bootstage,
-#ifdef CONFIG_OF_CONTROL
- fdtdec_check_fdt,
-#endif
- initf_malloc,
initf_dm,
+ arch_cpu_init_dm,
#if defined(CONFIG_BOARD_EARLY_INIT_F)
board_early_init_f,
#endif
#endif
#ifdef CONFIG_FSL_ESDHC
get_clocks,
+#endif
+#ifdef CONFIG_M68K
+ get_clocks,
#endif
env_init, /* initialize environment */
#if defined(CONFIG_8xx_CPUCLK_DEFAULT)
#if defined(CONFIG_MPC83xx)
prt_83xx_rsr,
#endif
-#ifdef CONFIG_PPC
+#if defined(CONFIG_PPC) || defined(CONFIG_M68K)
checkcpu,
#endif
print_cpuinfo, /* display cpu info (and speed) */
prt_mpc5xxx_clks,
#endif /* CONFIG_MPC5xxx */
#if defined(CONFIG_DISPLAY_BOARDINFO)
- checkboard, /* display board info */
+ show_board_info,
#endif
INIT_FUNC_WATCHDOG_INIT
#if defined(CONFIG_MISC_INIT_F)
#endif
#if defined(CONFIG_HARD_SPI)
init_func_spi,
-#endif
-#ifdef CONFIG_X86
- dram_init_f, /* configure available RAM banks */
- calculate_relocation_address,
#endif
announce_dram_init,
/* TODO: unify all these dram functions? */
-#ifdef CONFIG_ARM
+#if defined(CONFIG_ARM) || defined(CONFIG_X86) || defined(CONFIG_MICROBLAZE) || defined(CONFIG_AVR32)
dram_init, /* configure available RAM banks */
#endif
-#if defined(CONFIG_MIPS) || defined(CONFIG_PPC)
+#if defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_M68K)
init_func_ram,
#endif
#ifdef CONFIG_POST
/* TODO: Why the dependency on CONFIG_8xx? */
#if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) && \
!defined(CONFIG_ARM) && !defined(CONFIG_X86) && \
- !defined(CONFIG_BLACKFIN)
+ !defined(CONFIG_BLACKFIN) && !defined(CONFIG_M68K)
reserve_video,
#endif
#if !defined(CONFIG_BLACKFIN) && !defined(CONFIG_NIOS2)
setup_machine,
reserve_global_data,
reserve_fdt,
+ reserve_arch,
reserve_stacks,
setup_dram_config,
show_dram_config,
-#ifdef CONFIG_PPC
+#if defined(CONFIG_PPC) || defined(CONFIG_M68K)
setup_board_part1,
INIT_FUNC_WATCHDOG_RESET
setup_board_part2,
INIT_FUNC_WATCHDOG_RESET
reloc_fdt,
setup_reloc,
+#if defined(CONFIG_X86) || defined(CONFIG_ARC)
+ copy_uboot_to_ram,
+ clear_bss,
+ do_elf_reloc_fixups,
+#endif
#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX)
jump_to_copy,
#endif
#endif
}
-#ifdef CONFIG_X86
+#if defined(CONFIG_X86) || defined(CONFIG_ARC)
/*
* For now this code is only used on x86.
*
*/
static init_fnc_t init_sequence_f_r[] = {
init_cache_f_r,
- copy_uboot_to_ram,
- clear_bss,
- do_elf_reloc_fixups,
NULL,
};
* Transfer execution from Flash to RAM by calculating the address
* of the in-RAM copy of board_init_r() and calling it
*/
- (board_init_r + gd->reloc_off)(gd, gd->relocaddr);
+ (board_init_r + gd->reloc_off)((gd_t *)gd, gd->relocaddr);
/* NOTREACHED - board_init_r() does not return */
hang();
}
#endif /* CONFIG_X86 */
+
+#ifndef CONFIG_X86
+ulong board_init_f_mem(ulong top)
+{
+ /* Leave space for the stack we are running with now */
+ top -= 0x40;
+
+ top -= sizeof(struct global_data);
+ top = ALIGN(top, 16);
+ gd = (struct global_data *)top;
+ memset((void *)gd, '\0', sizeof(*gd));
+
+#ifdef CONFIG_SYS_MALLOC_F_LEN
+ top -= CONFIG_SYS_MALLOC_F_LEN;
+ gd->malloc_base = top;
+#endif
+
+ return top;
+}
+#endif /* !CONFIG_X86 */
projects / karo-tx-uboot.git / blobdiff