upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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400 lines
9.1 KiB
400 lines
9.1 KiB
/*
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* U-boot - BF537.c
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*
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* Copyright (c) 2005-2007 Analog Devices Inc.
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*
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* (C) Copyright 2000-2004
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#include <common.h>
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#include <config.h>
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#include <command.h>
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#include <asm/blackfin.h>
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#include <asm/io.h>
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#include <net.h>
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#include <asm/mach-common/bits/bootrom.h>
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/**
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* is_valid_ether_addr - Determine if the given Ethernet address is valid
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* @addr: Pointer to a six-byte array containing the Ethernet address
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*
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* Check that the Ethernet address (MAC) is not 00:00:00:00:00:00, is not
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* a multicast address, and is not FF:FF:FF:FF:FF:FF.
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*
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* Return true if the address is valid.
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*/
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static inline int is_valid_ether_addr(const u8 * addr)
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{
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/* FF:FF:FF:FF:FF:FF is a multicast address so we don't need to
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* explicitly check for it here. */
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return !is_multicast_ether_addr(addr) && !is_zero_ether_addr(addr);
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}
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DECLARE_GLOBAL_DATA_PTR;
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#define POST_WORD_ADDR 0xFF903FFC
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int checkboard(void)
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{
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printf("Board: ADI BF537 stamp board\n");
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printf(" Support: http://blackfin.uclinux.org/\n");
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return 0;
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}
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#if defined(CONFIG_BFIN_IDE)
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void cf_outb(unsigned char val, volatile unsigned char *addr)
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{
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*(addr) = val;
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SSYNC();
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}
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unsigned char cf_inb(volatile unsigned char *addr)
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{
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volatile unsigned char c;
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c = *(addr);
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SSYNC();
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return c;
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}
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void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words)
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{
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int i;
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for (i = 0; i < words; i++)
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*(sect_buf + i) = *(addr);
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SSYNC();
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}
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void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
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{
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int i;
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for (i = 0; i < words; i++)
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*(addr) = *(sect_buf + i);
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SSYNC();
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}
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#endif /* CONFIG_BFIN_IDE */
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long int initdram(int board_type)
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{
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#ifdef DEBUG
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int brate;
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char *tmp = getenv("baudrate");
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brate = simple_strtoul(tmp, NULL, 16);
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printf("Serial Port initialized with Baud rate = %x\n", brate);
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printf("SDRAM attributes:\n");
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printf("tRCD %d SCLK Cycles,tRP %d SCLK Cycles,tRAS %d SCLK Cycles"
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"tWR %d SCLK Cycles,CAS Latency %d SCLK cycles \n",
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3, 3, 6, 2, 3);
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printf("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE);
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printf("Bank size = %d MB\n", CFG_MAX_RAM_SIZE >> 20);
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#endif
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gd->bd->bi_memstart = CFG_SDRAM_BASE;
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gd->bd->bi_memsize = CFG_MAX_RAM_SIZE;
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return CFG_MAX_RAM_SIZE;
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}
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#if defined(CONFIG_MISC_INIT_R)
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/* miscellaneous platform dependent initialisations */
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int misc_init_r(void)
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{
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#if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT)
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char nid[32];
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unsigned char *pMACaddr = (unsigned char *)0x203F0000;
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u8 SrcAddr[6] = { 0x02, 0x80, 0xAD, 0x20, 0x31, 0xB8 };
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#if defined(CONFIG_CMD_NET)
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/* The 0xFF check here is to make sure we don't use the address
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* in flash if it's simply been erased (aka all 0xFF values) */
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if (getenv("ethaddr") == NULL && is_valid_ether_addr(pMACaddr)) {
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sprintf(nid, "%02x:%02x:%02x:%02x:%02x:%02x",
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pMACaddr[0], pMACaddr[1],
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pMACaddr[2], pMACaddr[3], pMACaddr[4], pMACaddr[5]);
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setenv("ethaddr", nid);
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}
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#endif
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#endif /* BFIN_BOOT_MODE == BF537_BYPASS_BOOT */
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#if defined(CONFIG_BFIN_IDE)
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#if defined(CONFIG_BFIN_TRUE_IDE)
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/* Enable ATASEL when in True IDE mode */
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printf("Using CF True IDE Mode\n");
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cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA);
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udelay(1000);
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#elif defined(CONFIG_BFIN_CF_IDE)
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/* Disable ATASEL when we're in Common Memory Mode */
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printf("Using CF Common Memory Mode\n");
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cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS);
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udelay(1000);
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#elif defined(CONFIG_BFIN_HDD_IDE)
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printf("Using HDD IDE Mode\n");
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#endif
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ide_init();
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#endif /* CONFIG_BFIN_IDE */
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return 0;
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}
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#endif /* CONFIG_MISC_INIT_R */
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#ifdef CONFIG_POST
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#if (BFIN_BOOT_MODE != BF537_BYPASS_BOOT)
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/* Using sw10-PF5 as the hotkey */
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int post_hotkeys_pressed(void)
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{
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return 0;
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}
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#else
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/* Using sw10-PF5 as the hotkey */
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int post_hotkeys_pressed(void)
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{
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int delay = 3;
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int i;
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unsigned short value;
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*pPORTF_FER &= ~PF5;
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*pPORTFIO_DIR &= ~PF5;
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*pPORTFIO_INEN |= PF5;
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printf("########Press SW10 to enter Memory POST########: %2d ", delay);
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while (delay--) {
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for (i = 0; i < 100; i++) {
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value = *pPORTFIO & PF5;
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if (value != 0) {
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break;
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}
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udelay(10000);
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}
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printf("\b\b\b%2d ", delay);
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}
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printf("\b\b\b 0");
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printf("\n");
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if (value == 0)
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return 0;
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else {
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printf("Hotkey has been pressed, Enter POST . . . . . .\n");
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return 1;
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}
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}
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#endif
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#endif
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#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
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void post_word_store(ulong a)
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{
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volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
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*save_addr = a;
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}
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ulong post_word_load(void)
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{
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volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
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return *save_addr;
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}
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#endif
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#ifdef CONFIG_POST
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int uart_post_test(int flags)
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{
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return 0;
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}
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#define BLOCK_SIZE 0x10000
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#define VERIFY_ADDR 0x2000000
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extern int erase_block_flash(int);
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extern int write_data(long lStart, long lCount, uchar * pnData);
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int flash_post_test(int flags)
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{
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unsigned short *pbuf, *temp;
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int offset, n, i;
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int value = 0;
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int result = 0;
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printf("\n");
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pbuf = (unsigned short *)VERIFY_ADDR;
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temp = pbuf;
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for (n = FLASH_START_POST_BLOCK; n < FLASH_END_POST_BLOCK; n++) {
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offset = (n - 7) * BLOCK_SIZE;
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printf("--------Erase block:%2d..", n);
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erase_block_flash(n);
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printf("OK\r");
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printf("--------Program block:%2d...", n);
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write_data(CFG_FLASH_BASE + offset, BLOCK_SIZE, pbuf);
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printf("OK\r");
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printf("--------Verify block:%2d...", n);
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for (i = 0; i < BLOCK_SIZE; i += 2) {
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if (*(unsigned short *)(CFG_FLASH_BASE + offset + i) !=
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*temp++) {
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value = 1;
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result = 1;
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}
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}
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if (value)
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printf("failed\n");
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else
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printf("OK %3d%%\r",
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(int)(
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(n + 1 -
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FLASH_START_POST_BLOCK) *
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100 / (FLASH_END_POST_BLOCK -
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FLASH_START_POST_BLOCK)));
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temp = pbuf;
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value = 0;
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}
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printf("\n");
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if (result)
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return -1;
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else
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return 0;
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}
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/****************************************************
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* LED1 ---- PF6 LED2 ---- PF7 *
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* LED3 ---- PF8 LED4 ---- PF9 *
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* LED5 ---- PF10 LED6 ---- PF11 *
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****************************************************/
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int led_post_test(int flags)
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{
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*pPORTF_FER &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
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*pPORTFIO_DIR |= PF6 | PF7 | PF8 | PF9 | PF10 | PF11;
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*pPORTFIO_INEN &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
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*pPORTFIO &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
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udelay(1000000);
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printf("LED1 on");
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*pPORTFIO |= PF6;
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udelay(1000000);
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printf("\b\b\b\b\b\b\b");
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printf("LED2 on");
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*pPORTFIO |= PF7;
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udelay(1000000);
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printf("\b\b\b\b\b\b\b");
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printf("LED3 on");
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*pPORTFIO |= PF8;
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udelay(1000000);
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printf("\b\b\b\b\b\b\b");
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printf("LED4 on");
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*pPORTFIO |= PF9;
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udelay(1000000);
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printf("\b\b\b\b\b\b\b");
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printf("LED5 on");
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*pPORTFIO |= PF10;
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udelay(1000000);
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printf("\b\b\b\b\b\b\b");
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printf("lED6 on");
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*pPORTFIO |= PF11;
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printf("\b\b\b\b\b\b\b ");
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return 0;
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}
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/************************************************
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* SW10 ---- PF5 SW11 ---- PF4 *
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* SW12 ---- PF3 SW13 ---- PF2 *
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************************************************/
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int button_post_test(int flags)
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{
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int i, delay = 5;
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unsigned short value = 0;
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int result = 0;
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*pPORTF_FER &= ~(PF5 | PF4 | PF3 | PF2);
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*pPORTFIO_DIR &= ~(PF5 | PF4 | PF3 | PF2);
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*pPORTFIO_INEN |= (PF5 | PF4 | PF3 | PF2);
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printf("\n--------Press SW10: %2d ", delay);
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while (delay--) {
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for (i = 0; i < 100; i++) {
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value = *pPORTFIO & PF5;
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if (value != 0) {
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break;
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}
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udelay(10000);
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}
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printf("\b\b\b%2d ", delay);
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}
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if (value != 0)
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printf("\b\bOK");
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else {
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result = -1;
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printf("\b\bfailed");
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}
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delay = 5;
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printf("\n--------Press SW11: %2d ", delay);
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while (delay--) {
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for (i = 0; i < 100; i++) {
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value = *pPORTFIO & PF4;
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if (value != 0) {
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break;
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}
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udelay(10000);
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}
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printf("\b\b\b%2d ", delay);
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}
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if (value != 0)
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printf("\b\bOK");
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else {
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result = -1;
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printf("\b\bfailed");
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}
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delay = 5;
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printf("\n--------Press SW12: %2d ", delay);
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while (delay--) {
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for (i = 0; i < 100; i++) {
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value = *pPORTFIO & PF3;
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if (value != 0) {
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break;
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}
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udelay(10000);
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}
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printf("\b\b\b%2d ", delay);
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}
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if (value != 0)
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printf("\b\bOK");
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else {
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result = -1;
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printf("\b\bfailed");
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}
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delay = 5;
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printf("\n--------Press SW13: %2d ", delay);
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while (delay--) {
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for (i = 0; i < 100; i++) {
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value = *pPORTFIO & PF2;
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if (value != 0) {
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break;
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}
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udelay(10000);
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}
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printf("\b\b\b%2d ", delay);
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}
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if (value != 0)
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printf("\b\bOK");
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else {
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result = -1;
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printf("\b\bfailed");
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}
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printf("\n");
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return result;
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}
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#endif
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