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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37 lines
865 B
37 lines
865 B
/*
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* flash.c - helper commands for working with GPIO-assisted flash
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*
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* Copyright (c) 2005-2009 Analog Devices Inc.
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*
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* Licensed under the GPL-2 or later.
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*/
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#include <common.h>
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#include <command.h>
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#include <asm/blackfin.h>
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#include "gpio_cfi_flash.h"
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int do_pf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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ulong faddr = CONFIG_SYS_FLASH_BASE;
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ushort data;
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ulong dflg;
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if (argc == 3) {
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dflg = simple_strtoul(argv[1], NULL, 16);
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faddr |= (dflg << 21);
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dflg = simple_strtoul(argv[2], NULL, 16);
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faddr |= (dflg << 22);
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gpio_cfi_flash_swizzle((void *)faddr);
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} else {
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data = bfin_read_PORTFIO();
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printf("Port F data %04x (PF4:%i PF5:%i)\n", data,
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!!(data & PF4), !!(data & PF5));
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}
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return 0;
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}
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U_BOOT_CMD(pf, 3, 0, do_pf,
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"set/clear PF4/PF5 GPIO flash bank switch\n",
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"<pf4> <pf5> - set PF4/PF5 GPIO pin state\n");
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