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ar71xx: add support for Mikrotik RB750P-PBr2

Specifications:
- SoC: Qualcomm QCA9531 (650MHz)
- RAM: 64MB
- Storage: 16MB NOR SPI flash
- Ethernet: 5x100M (1 PoE in, 4 PoE out)
- Outdoor use ready

This ethernet router is based on the same platform as the hEX PoE lite.

Installation

1. login to the Mikrotik WebUI to backup your licence keys
2. setup a DHCP/BOOTP Server with:
     * DHCP-Option 66 (TFTP server name) pointing to a local TFTP
       Server within the same subnet of the DHCP range
     * DHCP-Option 67 (Bootfile-Name) matching the initramfs filename
       of the to be booted image
3. connect the port labled internet to your local network
4. keep the reset button pushed down and power on the board

The board should load and start the initramfs image from the TFTP
Server. Login as root/without password to the started LEDE via ssh
listing on IPv4 address 192.168.1.1. Use sysupgrade to install LEDE.

Revert to RouterOS

Use the "rbcfg" package on in LEDE:
  * rbcfg set boot_protocol bootp
  * rbcfg set boot_device ethnand
  * rbcfg apply

Open Netinstall and reboot routerboard. Now netinstall sees routerboard
and you can install RouterOS. If NetInstall gets stuck on Sending offer
just wait for it to timeout and then close and open Netinstall again.

Click on install again.

In order for RouterOS to function properly, you need to restore license
for the device. You can do that by including license in NetInstall

Signed-off-by: Robert Marko <robimarko@gmail.com>
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robimarko authored and mkresin committed Oct 5, 2017
1 parent 6f008af commit 443abb8ccd669db524317d8b797b0d6e4beebd6b
@@ -267,6 +267,7 @@ rb-750)
ucidef_set_led_switch "port5" "port5" "rb750:green:port5" "switch0" "0x02"
;;
rb-750-r2|\
rb-750p-pbr2|\
rb-750up-r2)
ucidef_set_led_timer "user" "USER" "rb:green:user" "1000" "1000"
ucidef_set_led_netdev "port1" "port1" "rb:green:port1" "eth0"
@@ -160,6 +160,7 @@ ar71xx_setup_interfaces()
ucidef_set_interfaces_lan_wan "eth1" "eth0"
;;
rb-750-r2|\
rb-750p-pbr2|\
rb-750up-r2)
ucidef_set_interfaces_lan_wan "eth1.1" "eth0"
ucidef_add_switch "switch0" \
@@ -32,6 +32,9 @@ rb-952ui-5ac2nd)
ucidef_add_gpio_switch "usb_power_switch" "USB Power Switch" "45" "1"
ucidef_add_gpio_switch "poe_passthrough" "PoE Passthrough" "14"
;;
rb-750p-pbr2)
ucidef_add_gpio_switch "poe_passthrough" "PoE Passthrough" "14"
;;
esac
board_config_flush
@@ -316,6 +316,7 @@ get_status_led() {
status_led="rb750:green:act"
;;
rb-750-r2|\
rb-750p-pbr2|\
rb-750up-r2|\
rb-911g-2hpnd|\
rb-911g-5hpacd|\
@@ -911,6 +911,9 @@ ar71xx_board_detect() {
*"RouterBOARD 750GL")
name="rb-750gl"
;;
*"RouterBOARD 750P r2")
name="rb-750p-pbr2"
;;
*"RouterBOARD 750UP r2")
name="rb-750up-r2"
;;
@@ -655,6 +655,7 @@ platform_check_image() {
# these boards use metadata images
fritz300e|\
rb-750-r2|\
rb-750p-pbr2|\
rb-750up-r2|\
rb-941-2nd|\
rb-951ui-2nd|\
@@ -712,6 +713,7 @@ platform_pre_upgrade() {
nand_do_upgrade "$1"
;;
rb-750-r2|\
rb-750p-pbr2|\
rb-750up-r2|\
rb-941-2nd|\
rb-951ui-2nd|\
@@ -1008,6 +1008,7 @@ config ATH79_MACH_RBSPI
MikroTik RouterBOARD hAP ac lite
MikroTik RouterBOARD hEX PoE lite
MikroTik RouterBOARD hEX lite
MikroTik RouterBOARD Powerbox
MikroTik RouterBOARD LHG 5
MikroTik RouterBOARD cAP (EXPERIMENTAL)
MikroTik RouterBOARD mAP (EXPERIMENTAL)
@@ -7,6 +7,7 @@
* - MikroTik RouterBOARD 952Ui-5ac2nD
* - MikroTik RouterBOARD 962UiGS-5HacT2HnT
* - MikroTik RouterBOARD 750UP r2
* - MikroTik RouterBOARD 750P-PBr2
* - MikroTik RouterBOARD 750 r2
* - MikroTik RouterBOARD LHG 5nD
*
@@ -763,7 +764,8 @@ static void __init rb952_setup(void)
* Init the hEX (PoE) lite hardware (QCA953x).
* The 750UP r2 (hEX PoE lite) is nearly identical to the hAP, only without
* WLAN. The 750 r2 (hEX lite) is nearly identical to the 750UP r2, only
* without USB and POE. It shares the same bootloader board identifier.
* without USB and POE. The 750P Pbr2 (Powerbox) is nearly identical to hEX PoE
* lite, only without USB. It shares the same bootloader board identifier.
*/
static void __init rb750upr2_setup(void)
{
@@ -776,6 +778,10 @@ static void __init rb750upr2_setup(void)
if (strstr(mips_get_machine_name(), "750UP r2"))
flags |= RBSPI_HAS_USB | RBSPI_HAS_POE;
/* differentiate the Powerbox from the hEX lite */
else if (strstr(mips_get_machine_name(), "750P r2"))
flags |= RBSPI_HAS_POE;
rbspi_952_750r2_setup(flags);
}
@@ -30,7 +30,7 @@ define Device/rb-nor-flash-16M
LOADER_TYPE := elf
KERNEL_INSTALL := 1
KERNEL := kernel-bin | lzma | loader-kernel
SUPPORTED_DEVICES := rb-750-r2 rb-750up-r2 rb-941-2nd rb-951ui-2nd rb-952ui-5ac2nd rb-962uigs-5hact2hnt rb-lhg-5nd rb-mapl-2nd
SUPPORTED_DEVICES := rb-750-r2 rb-750up-r2 rb-750p-pbr2 rb-941-2nd rb-951ui-2nd rb-952ui-5ac2nd rb-962uigs-5hact2hnt rb-lhg-5nd rb-mapl-2nd
IMAGE/sysupgrade.bin := append-kernel | kernel2minor -s 1024 -e | pad-to $$$$(BLOCKSIZE) | \
append-rootfs | pad-rootfs | append-metadata | check-size $$$$(IMAGE_SIZE)
endef

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