summaryrefslogtreecommitdiff
path: root/arch/sparc/lib/board.c
diff options
context:
space:
mode:
authorPeter Tyser <ptyser@xes-inc.com>2010-04-12 22:28:04 -0500
committerWolfgang Denk <wd@denx.de>2010-04-13 09:13:03 +0200
commitea0364f1bbfed1e3ea711147420875cf338fe77a (patch)
tree15c051bc4d2e94c1661c73e1b87c22c7beda7c24 /arch/sparc/lib/board.c
parent89f39e177e7b0152aa1d3152baa25d986e36cdcf (diff)
downloadu-boot-imx-ea0364f1bbfed1e3ea711147420875cf338fe77a.zip
u-boot-imx-ea0364f1bbfed1e3ea711147420875cf338fe77a.tar.gz
u-boot-imx-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 'arch/sparc/lib/board.c')
-rw-r--r--arch/sparc/lib/board.c472
1 files changed, 472 insertions, 0 deletions
diff --git a/arch/sparc/lib/board.c b/arch/sparc/lib/board.c
new file mode 100644
index 0000000..11eea60
--- /dev/null
+++ b/arch/sparc/lib/board.c
@@ -0,0 +1,472 @@
+/* SPARC Board initialization
+ *
+ * (C) Copyright 2000-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2007
+ * Daniel Hellstrom, Gaisler Research, daniel@gaisler.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 <command.h>
+#include <malloc.h>
+#include <stdio_dev.h>
+#include <config.h>
+#if defined(CONFIG_CMD_IDE)
+#include <ide.h>
+#endif
+#ifdef CONFIG_STATUS_LED
+#include <status_led.h>
+#endif
+#include <net.h>
+#include <serial.h>
+#include <version.h>
+#if defined(CONFIG_POST)
+#include <post.h>
+#endif
+#ifdef CONFIG_PS2KBD
+#include <keyboard.h>
+#endif
+#ifdef CONFIG_CMD_AMBAPP
+#include <ambapp.h>
+#endif
+
+#ifdef CONFIG_BITBANGMII
+#include <miiphy.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* Debug options
+#define DEBUG_INIT_SEQUENCE
+#define DEBUG_MEM_LAYOUT
+#define DEBUG_COMMANDS
+*/
+
+extern void timer_interrupt_init(void);
+extern void malloc_bin_reloc(void);
+extern int do_ambapp_print(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
+extern int prom_init(void);
+
+#if defined(CONFIG__CMD_DOC)
+void doc_init(void);
+#endif
+
+#if !defined(CONFIG_SYS_NO_FLASH)
+static char *failed = "*** failed ***\n";
+#endif
+
+#include <environment.h>
+
+ulong monitor_flash_len;
+
+/************************************************************************
+ * 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);
+}
+
+/***********************************************************************/
+
+/*
+ * 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);
+
+#define WATCHDOG_RESET(x)
+
+/************************************************************************
+ * Initialization sequence *
+ ************************************************************************
+ */
+
+init_fnc_t *init_sequence[] = {
+
+#if defined(CONFIG_BOARD_EARLY_INIT_F)
+ board_early_init_f,
+#endif
+ serial_init,
+
+ init_timebase,
+
+#if defined(CONFIG_CMD_AMBAPP)
+ ambapp_init_reloc,
+#endif
+
+ env_init,
+
+ init_baudrate,
+
+ console_init_f,
+ display_options,
+
+ checkcpu,
+ checkboard,
+#if defined(CONFIG_MISC_INIT_F)
+ misc_init_f,
+#endif
+
+#ifdef CONFIG_POST
+ post_init_f,
+#endif
+
+ NULL, /* Terminate this list,
+ * beware: this list will be relocated
+ * which means that NULL will become
+ * NULL+RELOC_OFFSET. We simply make
+ * NULL be -RELOC_OFFSET instead.
+ */
+};
+
+/************************************************************************
+ *
+ * This is the SPARC board initialization routine, running from RAM.
+ *
+ ************************************************************************
+ */
+#ifdef DEBUG_INIT_SEQUENCE
+char *str_init_seq = "INIT_SEQ 00\n";
+char *str_init_seq_done = "\n\rInit sequence done...\r\n\r\n";
+#endif
+
+void board_init_f(ulong bootflag)
+{
+ cmd_tbl_t *cmdtp;
+ bd_t *bd;
+ unsigned char *s;
+ init_fnc_t **init_fnc_ptr;
+ int j;
+ int i;
+ char *e;
+
+#ifndef CONFIG_SYS_NO_FLASH
+ ulong flash_size;
+#endif
+
+ gd = (gd_t *) (CONFIG_SYS_GBL_DATA_OFFSET);
+
+ /* Clear initial global data */
+ memset((void *)gd, 0, sizeof(gd_t));
+
+ gd->bd = (bd_t *) (gd + 1); /* At end of global data */
+ gd->baudrate = CONFIG_BAUDRATE;
+ gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
+
+ bd = gd->bd;
+ bd->bi_memstart = CONFIG_SYS_RAM_BASE;
+ bd->bi_memsize = CONFIG_SYS_RAM_SIZE;
+ bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
+#if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
+ bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
+ bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;
+#endif
+ bd->bi_baudrate = CONFIG_BAUDRATE;
+ bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
+
+ gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
+ gd->reloc_off = CONFIG_SYS_RELOC_MONITOR_BASE - CONFIG_SYS_MONITOR_BASE;
+
+ for (init_fnc_ptr = init_sequence, j = 0; *init_fnc_ptr;
+ ++init_fnc_ptr, j++) {
+#ifdef DEBUG_INIT_SEQUENCE
+ if (j > 9)
+ str_init_seq[9] = '0' + (j / 10);
+ str_init_seq[10] = '0' + (j - (j / 10) * 10);
+ serial_puts(str_init_seq);
+#endif
+ if ((*init_fnc_ptr + gd->reloc_off) () != 0) {
+ hang();
+ }
+ }
+#ifdef DEBUG_INIT_SEQUENCE
+ serial_puts(str_init_seq_done);
+#endif
+
+ /*
+ * 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):
+ * - kernel log buffer
+ * - protected RAM
+ * - LCD framebuffer
+ * - monitor code
+ * - board info struct
+ */
+#ifdef DEBUG_MEM_LAYOUT
+ printf("CONFIG_SYS_MONITOR_BASE: 0x%lx\n", CONFIG_SYS_MONITOR_BASE);
+ printf("CONFIG_ENV_ADDR: 0x%lx\n", CONFIG_ENV_ADDR);
+ printf("CONFIG_SYS_RELOC_MONITOR_BASE: 0x%lx (%d)\n", CONFIG_SYS_RELOC_MONITOR_BASE,
+ CONFIG_SYS_MONITOR_LEN);
+ printf("CONFIG_SYS_MALLOC_BASE: 0x%lx (%d)\n", CONFIG_SYS_MALLOC_BASE,
+ CONFIG_SYS_MALLOC_LEN);
+ printf("CONFIG_SYS_INIT_SP_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_INIT_SP_OFFSET,
+ CONFIG_SYS_STACK_SIZE);
+ printf("CONFIG_SYS_PROM_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_PROM_OFFSET,
+ CONFIG_SYS_PROM_SIZE);
+ printf("CONFIG_SYS_GBL_DATA_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_GBL_DATA_OFFSET,
+ CONFIG_SYS_GBL_DATA_SIZE);
+#endif
+
+#ifdef CONFIG_POST
+ post_bootmode_init();
+ post_run(NULL, POST_ROM | post_bootmode_get(0));
+#endif
+
+ /*
+ * We have to relocate the command table manually
+ */
+ for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
+ ulong addr;
+ addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
+#if DEBUG_COMMANDS
+ printf("Command \"%s\": 0x%08lx => 0x%08lx\n",
+ cmdtp->name, (ulong) (cmdtp->cmd), addr);
+#endif
+ cmdtp->cmd =
+ (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
+
+ addr = (ulong) (cmdtp->name) + gd->reloc_off;
+ cmdtp->name = (char *)addr;
+
+ if (cmdtp->usage) {
+ addr = (ulong) (cmdtp->usage) + gd->reloc_off;
+ cmdtp->usage = (char *)addr;
+ }
+#ifdef CONFIG_SYS_LONGHELP
+ if (cmdtp->help) {
+ addr = (ulong) (cmdtp->help) + gd->reloc_off;
+ cmdtp->help = (char *)addr;
+ }
+#endif
+ }
+
+#if defined(CONFIG_CMD_AMBAPP) && defined(CONFIG_SYS_AMBAPP_PRINT_ON_STARTUP)
+ puts("AMBA:\n");
+ do_ambapp_print(NULL, 0, 0, NULL);
+#endif
+
+ /* initialize higher level parts of CPU like time base and timers */
+ cpu_init_r();
+
+ /* start timer */
+ timer_interrupt_init();
+
+ /*
+ * Enable Interrupts before any calls to udelay,
+ * the flash driver may use udelay resulting in
+ * a hang if not timer0 IRQ is enabled.
+ */
+ interrupt_init();
+
+ /* The Malloc area is immediately below the monitor copy in RAM */
+ mem_malloc_init(CONFIG_SYS_MALLOC_BASE,
+ CONFIG_SYS_MALLOC_END - CONFIG_SYS_MALLOC_BASE);
+ malloc_bin_reloc();
+
+#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: %08lX",
+ 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 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 */
+
+#ifdef CONFIG_SPI
+# if !defined(CONFIG_ENV_IS_IN_EEPROM)
+ spi_init_f();
+# endif
+ spi_init_r();
+#endif
+
+ /* relocate environment function pointers etc. */
+ env_relocate();
+
+#if defined(CONFIG_BOARD_LATE_INIT)
+ board_late_init();
+#endif
+
+#ifdef CONFIG_ID_EEPROM
+ mac_read_from_eeprom();
+#endif
+
+ /* IP Address */
+ bd->bi_ip_addr = getenv_IPaddr("ipaddr");
+#if defined(CONFIG_PCI)
+ /*
+ * Do pci configuration
+ */
+ pci_init();
+#endif
+
+ /* Initialize stdio devices */
+ stdio_init();
+
+ /* Initialize the jump table for applications */
+ jumptable_init();
+
+ /* Initialize the console (after the relocation and devices init) */
+ console_init_r();
+
+#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
+ serial_buffered_init();
+#endif
+
+#ifdef CONFIG_STATUS_LED
+ 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 /* CONFIG_CMD_NET */
+
+ WATCHDOG_RESET();
+
+#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_IDE)
+ WATCHDOG_RESET();
+ puts("IDE: ");
+ ide_init();
+#endif /* CONFIG_CMD_IDE */
+
+#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
+
+#ifdef CONFIG_PS2KBD
+ puts("PS/2: ");
+ kbd_init();
+#endif
+ prom_init();
+
+ /* main_loop */
+ for (;;) {
+ WATCHDOG_RESET();
+ main_loop();
+ }
+
+}
+
+void hang(void)
+{
+ puts("### ERROR ### Please RESET the board ###\n");
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
+ show_boot_progress(-30);
+#endif
+ for (;;) ;
+}
+
+/************************************************************************/