+++ /dev/null
-/* 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.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <command.h>
-#include <console.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 int do_ambapp_print(cmd_tbl_t * cmdtp, int flag, int argc, char * const 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)
-{
- gd->baudrate = getenv_ulong("baudrate", 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)
-{
- bd_t *bd;
- init_fnc_t **init_fnc_ptr;
- int j;
-
-#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_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,
- GENERATED_GBL_DATA_SIZE);
-#endif
-
-#ifdef CONFIG_POST
- post_bootmode_init();
- post_run(NULL, POST_ROM | post_bootmode_get(0));
-#endif
-
-#if defined(CONFIG_NEEDS_MANUAL_RELOC)
- /*
- * We have to relocate the command table manually
- */
- fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd),
- ll_entry_count(cmd_tbl_t, cmd));
-#endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */
-
-#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);
-
-#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
- */
- if (getenv_yesno("flashchecksum") == 1) {
- 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
-
-#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_STATUS_LED
- status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
-#endif
-
- udelay(20);
-
- /* Initialize from environment */
- load_addr = getenv_ulong("loadaddr", 16, load_addr);
-
- 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)
- WATCHDOG_RESET();
- puts("Net: ");
- eth_initialize();
-#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();
- }
-
-}
-
-/************************************************************************/
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