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u-boot/arch/arm
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Jan Kiszka 352ed65df7 iot2050: Add support for configuring M.2 connector 
The M.2 slots of the related IOT2050 variant need to be configured
according to the plugged cards. This tries to detect the card using the
M.2 configuration pins of the B-key slot. If that fails, a U-Boot
environment variable can be set to configure manually. This variable is
write-permitted also in secure boot mode as it is not able to undermine
the integrity of the booted system.

The configuration is then applied to mux the serdes and to fix up the
device tree passed to or loaded by the bootloader. The fix-ups are
coming from device tree overlays that are embedded into the firmware
image and there also integrity protected. The OS remains free to load
a device tree to which they do not apply: U-Boot will not fail to boot
in that case.

Based on original patch by Chao Zeng.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
2023-03-29 11:58:26 -04:00
..
cpu ARM: remove SPEAR entry in makefile 2023-03-06 17:03:56 -05:00
dts iot2050: Add support for configuring M.2 connector 2023-03-29 11:58:26 -04:00
include arm: rockchip: Add RK3588 arch core support 2023-02-28 18:07:28 +08:00
lib Merge branch 'master' into next 2023-03-27 15:19:57 -04:00
mach-apple
mach-aspeed
mach-at91 global: Remove unused CONFIG defines 2023-01-20 12:27:06 -05:00
mach-bcm283x mmc: bcm2835-host: let firmware manage the clock divisor 2023-03-24 14:43:20 +00:00
mach-bcmbca
mach-bcmstb
mach-cortina
mach-davinci global: Migrate CONFIG_MAX_RAM_BANK_SIZE to CFG 2022-12-23 10:14:51 -05:00
mach-exynos Correct SPL use of EXYNOS7420 2023-02-09 16:32:26 -05:00
mach-highbank
mach-hpe arm: Correct cpu_reset function prototype on some platforms 2023-03-22 15:22:48 -04:00
mach-imx spl: Add function prototype for spl_mmc_get_uboot_raw_sector 2023-03-22 15:22:48 -04:00
mach-integrator
mach-ipq40xx
mach-k3 arm: mach-k3: am62: move scratch board area to HSM RAM 2023-03-22 12:51:09 -04:00
mach-keystone global: Move remaining CONFIG_SYS_* to CFG_SYS_* 2022-12-05 16:06:08 -05:00
mach-kirkwood arm: kirkwood: Move internal registers in arch_very_early_init() function 2023-03-24 13:11:47 +01:00
mach-lpc32xx arm: lpc32xx: Remove unused hsuart driver 2022-12-05 16:07:13 -05:00
mach-mediatek arm: Correct cpu_reset function prototype on some platforms 2023-03-22 15:22:48 -04:00
mach-meson ARM: meson: switch AXG & GX dwc2 otg to DM 2023-01-20 16:21:31 +01:00
mach-mvebu arm: mvebu: Set common SPI flash default speed and mode 2023-03-24 08:43:42 +01:00
mach-nexell arm: s5p4418: dm_serial: remove old code / add DEBUG_UART 2023-01-02 16:06:08 -05:00
mach-npcm global: Move remaining CONFIG_SYS_* to CFG_SYS_* 2022-12-05 16:06:08 -05:00
mach-octeontx
mach-octeontx2
mach-omap2 global: Finish CONFIG -> CFG migration 2023-01-20 12:27:24 -05:00
mach-orion5x global: Migrate CONFIG_MAX_RAM_BANK_SIZE to CFG 2022-12-23 10:14:51 -05:00
mach-owl
mach-qemu
mach-rmobile ARM: rmobile: Split R-Car Gen3 into separate Kconfig from common 64bit options 2023-03-18 12:02:38 +01:00
mach-rockchip Merge branch 'master' into next 2023-03-27 15:19:57 -04:00
mach-s5pc1xx exynos: Rework legacy PWM usage 2022-12-23 10:07:03 -05:00
mach-snapdragon clocks: qcs404: Add support for I2C clocks 2023-02-13 10:01:52 -05:00
mach-socfpga Use grep -E or plain grep instead of egrep 2023-01-11 15:02:24 -05:00
mach-sti
mach-stm32
mach-stm32mp Correct SPL use of STM32MP15X_STM32IMAGE 2023-02-10 07:41:40 -05:00
mach-sunxi sunxi: eMMC: support TOC0 on boot partitions 2023-01-23 01:18:23 +00:00
mach-tegra ARM: tegra20: implement BCT patching 2023-02-23 12:55:37 -07:00
mach-u8500 global: Move remaining CONFIG_SYS_* to CFG_SYS_* 2022-12-05 16:06:08 -05:00
mach-uniphier arm: uniphier: use DM_TIMER of arm a9 global timer 2023-01-02 16:01:39 -05:00
mach-versal xilinx: zynqmp: Add missing prototype for zynqmp_mmio_write 2023-03-09 13:15:00 +01:00
mach-versal-net xilinx: zynqmp: Add missing prototype for zynqmp_mmio_write 2023-03-09 13:15:00 +01:00
mach-versatile global: Move remaining CONFIG_SYS_* to CFG_SYS_* 2022-12-05 16:06:08 -05:00
mach-zynq
mach-zynqmp
mach-zynqmp-r5
thumb1/include/asm/proc-armv
config.mk Convert CONFIG_STANDALONE_LOAD_ADDR to Kconfig 2022-12-22 10:31:48 -05:00
Kconfig Merge branch 'master' into next 2023-03-27 15:19:57 -04:00
Kconfig.debug
Makefile