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797a3414b9
Provide a flashing helper to properly select the sam-ba configuration and reuse the sam-ba tcl script provided by Atmel with minimal modifications. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
359 lines
11 KiB
Tcl
359 lines
11 KiB
Tcl
# ----------------------------------------------------------------------------
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# ATMEL Microcontroller
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# ----------------------------------------------------------------------------
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# Copyright (c) 2015, Atmel Corporation
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#
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# - Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the disclaimer below.
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#
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# Atmel's name may not be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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# DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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# OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# ----------------------------------------------------------------------------
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################################################################################
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# Script data
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################################################################################
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# DBGU address for rm9200, 9260/9g20, 9261/9g10, 9rl, 9x5
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set at91_base_dbgu0 0xfffff200
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# DBGU address for 9263, 9g45, sama5d3
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set at91_base_dbgu1 0xffffee00
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# DBGU address for sama5d4
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set at91_base_dbgu2 0xfc069000
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set arch_exid_offset 0x44
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# arch id
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set arch_id_at91sam9g20 0x019905a0
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set arch_id_at91sam9g45 0x819b05a0
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set arch_id_at91sam9x5 0x819a05a0
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set arch_id_at91sam9n12 0x819a07a0
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set arch_id_sama5d3 0x8a5c07c0
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## Find out at91sam9x5 variant to load the corresponding dtb file
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array set at91sam9x5_variant {
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0x00000000 at91sam9g15
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0x00000001 at91sam9g35
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0x00000002 at91sam9x35
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0x00000003 at91sam9g25
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0x00000004 at91sam9x25
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}
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## Find out sama5d3 variant to load the corresponding dtb file
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array set sama5d3_variant {
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0x00444300 sama5d31
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0x00414300 sama5d33
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0x00414301 sama5d34
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0x00584300 sama5d35
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0x00004301 sama5d36
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}
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## Find out sama5d4 variant
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array set sama5d4_variant {
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0x00000001 sama5d41
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0x00000002 sama5d42
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0x00000003 sama5d43
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0x00000004 sama5d44
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}
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################################################################################
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# proc uboot_env: Convert u-boot variables in a string ready to be flashed
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# in the region reserved for environment variables
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################################################################################
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proc set_uboot_env {nameOfLstOfVar} {
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upvar $nameOfLstOfVar lstOfVar
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# sector size is the size defined in u-boot CFG_ENV_SIZE
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set sectorSize [expr 0x20000 - 5]
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set strEnv [join $lstOfVar "\0"]
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while {[string length $strEnv] < $sectorSize} {
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append strEnv "\0"
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}
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# \0 between crc and strEnv is the flag value for redundant environment
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set strCrc [binary format i [::vfs::crc $strEnv]]
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return "$strCrc\0$strEnv"
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}
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################################################################################
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proc find_variant_name {boardType} {
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global at91_base_dbgu0
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global at91_base_dbgu1
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global at91_base_dbgu2
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global arch_exid_offset
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global at91sam9x5_variant
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global sama5d3_variant
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global sama5d4_variant
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set socName "none"
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switch $boardType {
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at91sam9x5ek {
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set exidAddr [expr {$at91_base_dbgu0 + $arch_exid_offset}]
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set chip_variant [format "0x%08x" [read_int $exidAddr]]
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foreach {key value} [array get at91sam9x5_variant] {
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if {$key == $chip_variant} {
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set socName "$value"
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break;
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}
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}
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}
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sama5d3xek {
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set exidAddr [expr {$at91_base_dbgu1 + $arch_exid_offset}]
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set chip_variant [format "0x%08x" [read_int $exidAddr]]
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foreach {key value} [array get sama5d3_variant] {
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#puts "-I- === $chip_variant ? $key ($value) ==="
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if {$key == $chip_variant} {
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set socName "$value"
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break;
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}
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}
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}
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sama5d3_xplained {
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set exidAddr [expr {$at91_base_dbgu1 + $arch_exid_offset}]
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set chip_variant [format "0x%08x" [read_int $exidAddr]]
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foreach {key value} [array get sama5d3_variant] {
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#puts "-I- === $chip_variant ? $key ($value) ==="
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if {$key == $chip_variant} {
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set socName "$value"
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break;
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}
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}
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}
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sama5d4ek {
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set exidAddr [expr {$at91_base_dbgu2 + $arch_exid_offset}]
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set chip_variant [format "0x%08x" [read_int $exidAddr]]
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foreach {key value} [array get sama5d4_variant] {
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#puts "-I- === $chip_variant ? $key ($value) ==="
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if {$key == $chip_variant} {
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set socName "$value"
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break;
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}
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}
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}
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sama5d4_xplained {
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set exidAddr [expr {$at91_base_dbgu2 + $arch_exid_offset}]
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set chip_variant [format "0x%08x" [read_int $exidAddr]]
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foreach {key value} [array get sama5d4_variant] {
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#puts "-I- === $chip_variant ? $key ($value) ==="
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if {$key == $chip_variant} {
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set socName "$value"
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break;
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}
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}
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}
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}
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return "$socName"
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}
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proc find_variant_ecc {boardType} {
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set eccType "none"
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switch $boardType {
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at91sam9x5ek {
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set eccType 0xc0c00405
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}
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at91sam9n12ek {
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set eccType 0xc0c00405
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}
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sama5d3xek {
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set eccType 0xc0902405
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}
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sama5d3_xplained {
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set eccType 0xc0902405
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}
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sama5d4ek {
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set eccType 0xc1e04e07
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}
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sama5d4_xplained {
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set eccType 0xc1e04e07
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}
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}
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puts "-I- === eccType is $eccType ==="
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return $eccType
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}
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proc get_kernel_load_addr {boardType} {
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set kernel_load_addr 0x22000000
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switch $boardType {
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at91sam9m10g45ek {
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set kernel_load_addr 0x72000000
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}
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}
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return $kernel_load_addr
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}
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proc get_dtb_load_addr {boardType} {
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set dtb_load_addr 0x21000000
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switch $boardType {
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at91sam9m10g45ek {
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set dtb_load_addr 0x71000000
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}
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}
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return $dtb_load_addr
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}
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################################################################################
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# Main script: Load the linux demo in NandFlash,
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# Update the environment variables
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################################################################################
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################################################################################
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# check for proper variable initialization
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if {! [info exists boardFamily]} {
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puts "-I- === Parsing script arguments ==="
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if {! [info exists env(O)]} {
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puts "-E- === Binaries path not defined ==="
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exit
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}
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set bootstrapFile "$env(O)/at91bootstrap.bin"
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set ubootFile "$env(O)/u-boot.bin"
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set kernelFile "$env(O)/zImage"
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set rootfsFile "$env(O)/rootfs.ubi"
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set build_uboot_env "yes"
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set i 1
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foreach arg $::argv {
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puts "argument $i is $arg"
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switch $i {
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4 { set boardFamily $arg }
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5 { set dtbFile "$env(O)/$arg" }
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6 { set videoMode $arg }
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}
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incr i
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}
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}
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puts "-I- === Board Family is $boardFamily ==="
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set pmeccConfig [find_variant_ecc $boardFamily]
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## Now check for the needed files
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if {! [file exists $bootstrapFile]} {
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puts "-E- === AT91Bootstrap file not found ==="
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exit
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}
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if {! [file exists $ubootFile]} {
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puts "-E- === U-Boot file not found ==="
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exit
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}
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if {! [file exists $kernelFile]} {
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puts "-E- === Linux kernel file not found ==="
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exit
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}
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if {! [file exists $dtbFile]} {
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puts "-E- === Device Tree binary: $dtbFile file not found ==="
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exit
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}
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if {! [file exists $rootfsFile]} {
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puts "-E- === Rootfs file not found ==="
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exit
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}
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## NandFlash Mapping
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set bootStrapAddr 0x00000000
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set ubootAddr 0x00040000
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set ubootEnvAddr 0x000c0000
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set dtbAddr 0x00180000
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set kernelAddr 0x00200000
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set rootfsAddr 0x00800000
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## u-boot variable
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set kernelLoadAddr [get_kernel_load_addr $boardFamily]
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set dtbLoadAddr [get_dtb_load_addr $boardFamily]
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## NandFlash Mapping
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set kernelSize [format "0x%08X" [file size $kernelFile]]
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set dtbSize [format "0x%08X" [file size $dtbFile]]
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set bootCmd "bootcmd=nand read $dtbLoadAddr $dtbAddr $dtbSize; nand read $kernelLoadAddr $kernelAddr $kernelSize; bootz $kernelLoadAddr - $dtbLoadAddr"
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set rootfsSize [format "0x%08X" [file size $rootfsFile]]
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lappend u_boot_variables \
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"bootdelay=1" \
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"baudrate=115200" \
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"stdin=serial" \
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"stdout=serial" \
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"stderr=serial" \
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"bootargs=console=ttyS0,115200 mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,256k(env),256k(env_redundant),256k(spare),512k(dtb),6M(kernel)ro,-(rootfs) rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw $videoMode" \
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"$bootCmd"
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## Additional files to load
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set ubootEnvFile "ubootEnvtFileNandFlash.bin"
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## Start flashing procedure ##################################################
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puts "-I- === Initialize the NAND access ==="
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NANDFLASH::Init
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if {$pmeccConfig != "none"} {
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puts "-I- === Enable PMECC OS Parameters ==="
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NANDFLASH::NandHeaderValue HEADER $pmeccConfig
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}
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puts "-I- === Erase all the NAND flash blocs and test the erasing ==="
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NANDFLASH::EraseAllNandFlash
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puts "-I- === Load AT91Bootstrap in the first sector ==="
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if {$pmeccConfig != "none"} {
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NANDFLASH::SendBootFilePmeccCmd $bootstrapFile
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} else {
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NANDFLASH::sendBootFile $bootstrapFile
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}
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puts "-I- === Load u-boot in the next sectors ==="
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send_file {NandFlash} "$ubootFile" $ubootAddr 0
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if {$build_uboot_env == "yes"} {
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puts "-I- === Load the u-boot environment variables ==="
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set fh [open "$ubootEnvFile" w]
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fconfigure $fh -translation binary
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puts -nonewline $fh [set_uboot_env u_boot_variables]
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close $fh
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send_file {NandFlash} "$ubootEnvFile" $ubootEnvAddr 0
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}
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puts "-I- === Load the Kernel image and device tree database ==="
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send_file {NandFlash} "$dtbFile" $dtbAddr 0
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send_file {NandFlash} "$kernelFile" $kernelAddr 0
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if {$pmeccConfig != "none"} {
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puts "-I- === Enable trimffs ==="
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NANDFLASH::NandSetTrimffs 1
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}
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puts "-I- === Load the linux file system ==="
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send_file {NandFlash} "$rootfsFile" $rootfsAddr 0
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puts "-I- === DONE. ==="
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