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ARM: am335x: phyCORE-AM335x: Create new dts for MLO 

Use a mlo device tree with all bootable devices disabled.
The bootsource is checked in the board file and only the
needed device is enabled and registered.

Signed-off-by: Teresa Gámez <t.gamez@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Teresa Gámez 2014-11-03 13:31:54 +01:00 committed by Sascha Hauer
parent be23843702
commit 73e6a47ec8
4 changed files with 34 additions and 2 deletions
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3
arch/arm/boards/phytec-phycore-am335x/board.c
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@ -83,6 +83,9 @@ static int pcm051_devices_init(void)
xloadslots, ARRAY_SIZE(xloadslots));
am33xx_bbu_nand_register_handler("nand", "/dev/nand0.barebox.bb");
if (IS_ENABLED(CONFIG_SHELL_NONE))
return am33xx_of_register_bootdevice();
return 0;
}
device_initcall(pcm051_devices_init);

3
arch/arm/boards/phytec-phycore-am335x/lowlevel.c
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@ -118,6 +118,7 @@ struct pcm051_sdram_timings timings[] = {
};
extern char __dtb_am335x_phytec_phycore_som_start[];
extern char __dtb_am335x_phytec_phycore_som_mlo_start[];
extern char __dtb_am335x_phytec_phycore_som_no_spi_start[];
/**
@ -154,7 +155,7 @@ static noinline void pcm051_board_init(int sdram)
omap_uart_lowlevel_init((void *)AM33XX_UART0_BASE);
putc_ll('>');
fdt = __dtb_am335x_phytec_phycore_som_start - get_runtime_offset();
fdt = __dtb_am335x_phytec_phycore_som_mlo_start - get_runtime_offset();
am335x_barebox_entry(fdt);
}

2
arch/arm/dts/Makefile
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@ -26,7 +26,7 @@ pbl-dtb-$(CONFIG_MACH_NVIDIA_JETSON) += tegra124-jetson-tk1.dtb.o
pbl-dtb-$(CONFIG_MACH_PCA100) += imx27-phytec-phycard-s-rdk-bb.dtb.o
pbl-dtb-$(CONFIG_MACH_PCAAXL3) += imx6q-phytec-pbaa03.dtb.o
pbl-dtb-$(CONFIG_MACH_PCM038) += imx27-phytec-phycore-rdk.dtb.o
pbl-dtb-$(CONFIG_MACH_PCM051) += am335x-phytec-phycore-som.dtb.o am335x-phytec-phycore-som-no-spi.dtb.o
pbl-dtb-$(CONFIG_MACH_PCM051) += am335x-phytec-phycore-som.dtb.o am335x-phytec-phycore-som-no-spi.dtb.o am335x-phytec-phycore-som-mlo.dtb.o
pbl-dtb-$(CONFIG_MACH_PFLA03) += am335x-phytec-phyflex.dtb.o
pbl-dtb-$(CONFIG_MACH_PHYTEC_PFLA02) += imx6s-phytec-pbab01.dtb.o imx6dl-phytec-pbab01.dtb.o imx6q-phytec-pbab01.dtb.o
pbl-dtb-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_AX3) += armada-xp-openblocks-ax3-4-bb.dtb.o

28
arch/arm/dts/am335x-phytec-phycore-som-mlo.dts Normal file
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@ -0,0 +1,28 @@
/*
* Copyright (C) 2014 Teresa Gámez <t.gamez@phytec.de> PHYTEC Messtechnik GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/dts-v1/;
#include "am33xx.dtsi"
#include "am335x-phytec-phycore-som.dtsi"
/ {
model = "Phytec phyCORE AM335x";
compatible = "phytec,phycore-am335x-som", "ti,am33xx";
};
/* Keep all boosources disabled, we enable and register them
* later while booting.
*/
&mmc1 {
status = "disabled";
};
&gpmc {
status = "disabled";
};