sysmobts-v2: Allow to remove the WP of the NAND flash
Starting from revision F we need to set nWP before writing to flash. Create a new NAND command that can be used for that and use it for fwup, booting and recovery mode. We assume that the payload runs a RW filesystem so we set the GPIO before booting the system. Conflicts: board/davinci/sysmobts_v2/sysmobts_v2.c include/configs/davinci_sysmobts_v2.h include/nand.h
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@ -166,7 +166,14 @@ int misc_init_r(void)
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if (sysmobts_v2_read_mac_address(eeprom_enetaddr))
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davinci_sync_env_enetaddr(eeprom_enetaddr);
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setenv("fwup", "dhcp;setenv filesize 0;tftp 85000000 ${tftp_serverip}:rootfs.ubi;mtdpart default;nand erase.part RootFs;nand write 85000000 RootFs ${filesize}");
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setenv("fwup", "dhcp;setenv filesize 0;tftp 85000000 ${tftp_serverip}:rootfs.ubi;mtdpart default;nand rem.nwp;nand erase.part RootFs;nand write 85000000 RootFs ${filesize}");
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return(0);
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}
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void hw_nand_rem_nwp(void)
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{
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if (get_board_revision() == 5) {
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gpio_direction_output(33, 1);
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}
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}
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@ -10,6 +10,8 @@
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* (C) Copyright 2006-2007 OpenMoko, Inc.
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* Added 16-bit nand support
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* (C) 2004 Texas Instruments
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* (C) Copyright sysmocom s.f.m.c. GmbH
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*
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* Copyright 2010 Freescale Semiconductor
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* The portions of this file whose copyright is held by Freescale and which
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@ -717,6 +719,15 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
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return 0;
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}
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#endif
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if (strcmp(cmd, "rem.nwp") == 0) {
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#ifdef SYSMOBTS_V2
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printf("\nSetting nWP\n");
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hw_nand_rem_nwp();
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#else
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printf(\n"Not supported yet.\n");
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#endif
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return 0;
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}
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usage:
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return cmd_usage(cmdtp);
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@ -726,6 +737,7 @@ U_BOOT_CMD(
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nand, CONFIG_SYS_MAXARGS, 1, do_nand,
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"NAND sub-system",
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"info - show available NAND devices\n"
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"nand rem.nwp - Remove the WP of the flash\n"
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"nand device [dev] - show or set current device\n"
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"nand read - addr off|partition size\n"
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"nand write - addr off|partition size\n"
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@ -1,5 +1,5 @@
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/*
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* Copyright (C) 2012, 2013 sysmocom s.f.m.c. GmbH
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* Copyright (C) 2012, 2013, 2015 sysmocom s.f.m.c. GmbH
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* Author: Holger Hans Peter Freyther
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* This program is free software; you can redistribute it and/or modify
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@ -109,7 +109,7 @@ static int do_run_recovery(cmd_tbl_t *cmdtp, int flag, int argc, const char *arg
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BLINK_LED(5);
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status_led_set(0, STATUS_LED_ON);
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rc = run_command("mtdpart default; "
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rc = run_command("nand rem.nwp; mtdpart default; "
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"nand erase.part U-Boot-Environment", 0);
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if (rc < 0)
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return env_failed();
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@ -1,5 +1,5 @@
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/*
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* Copyright (C) 2012 Holger Hans Peter Freyther
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* Copyright (C) 2012, 2015 Holger Hans Peter Freyther
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* Copyright (C) 2009 Lyrtech RD Inc. <www.lyrtech.com>
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*
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* Based on dvevm/dvevm.c, original copyright follows:
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@ -147,7 +147,7 @@
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#define CONFIG_CMDLINE_TAG
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#define CONFIG_SETUP_MEMORY_TAGS
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#define CONFIG_BOOTARGS "console=ttyS0,115200n8 root=ubi0:sysmobts-v2-rootfs ubi.mtd=3 rootfstype=ubifs rw noinitrd"
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#define CONFIG_BOOTCOMMAND "mtdpart default;setenv bootargs ${bootargs} ${mtdparts};ubi part RootFs;ubifsmount sysmobts-v2-rootfs;ubifsload 85000000 /boot/uImage;bootm 85000000"
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#define CONFIG_BOOTCOMMAND "mtdpart default;setenv bootargs ${bootargs} ${mtdparts};ubi part RootFs;ubifsmount sysmobts-v2-rootfs;ubifsload 85000000 /boot/uImage; nand rem.nwp; bootm 85000000"
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/*=================*/
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/* U-Boot commands */
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/*=================*/
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@ -151,3 +151,5 @@ __attribute__((noreturn)) void nand_boot(void);
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#define ENV_OFFSET_SIZE 8
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int get_nand_env_oob(nand_info_t *nand, unsigned long *result);
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#endif
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void hw_nand_rem_nwp(void);
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