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u-boot/arch/arm
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Icenowy Zheng e9dfd8e960 sunxi: support asymmetric dual rank DRAM on A64/R40 
Previously we have known that R40 has a configuration register for its
rank 1, which allows different configuration than rank 0. Reverse
engineering of newest libdram of A64 from Allwinner shows that A64 has
this register too. It's bit 0 (which enables dual rank in rank 0
configuration register) means a dedicated rank size setup is used for
rank 1.

Now, Pine64 scheduled to use a 3GiB LPDDR3 DRAM chip (which has 2GiB
rank 0 and 1GiB rank 1) on PinePhone, that makes asymmetric dual rank
DRAM support necessary.

Add this support. The code could support both A64 and R40, but because
dual rank detection is broken on R40 now, we cannot really use it on R40
currently.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Tested-by: Peter Robinson <pbrobinson@gmail.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
2021-04-16 01:12:58 +01:00
..
cpu armv8: fsl-layerscape: spl: call spl_early_init() 2021-04-15 14:22:22 +05:30
dts board: sl28: add config to enable console output on SER0 2021-04-15 14:22:22 +05:30
include sunxi: support asymmetric dual rank DRAM on A64/R40 2021-04-16 01:12:58 +01:00
lib bootm: do not hang on failure 2021-04-12 17:17:11 -04:00
mach-aspeed common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
mach-at91 arm: Remove picosam9g45 board 2021-04-10 08:01:09 -04:00
mach-bcm283x reset: Remove addr parameter from reset_cpu() 2021-03-02 14:03:02 -05:00
mach-bcmstb
mach-cortina
mach-davinci reset: Remove addr parameter from reset_cpu() 2021-03-02 14:03:02 -05:00
mach-exynos reset: Remove addr parameter from reset_cpu() 2021-03-02 14:03:02 -05:00
mach-highbank
mach-imx arm: Remove mx6dlarm2 board 2021-04-10 08:03:55 -04:00
mach-integrator
mach-ipq40xx dm: treewide: Rename auto_alloc_size members to be shorter 2020-12-13 08:00:25 -07:00
mach-k3 reset: Remove addr parameter from reset_cpu() 2021-03-02 14:03:02 -05:00
mach-keystone reset: Remove addr parameter from reset_cpu() 2021-03-02 14:03:02 -05:00
mach-kirkwood drivers: ata: Remove mvsata_ide driver 2021-04-10 07:59:30 -04:00
mach-lpc32xx reset: Remove addr parameter from reset_cpu() 2021-03-02 14:03:02 -05:00
mach-mediatek board: mt7629: enable compression of u-boot to reduce the size of final image 2021-03-20 16:24:27 -04:00
mach-meson arm: meson: remove static ethernet link setup 2021-04-06 11:10:29 +02:00
mach-mvebu Prepare v2021.04-rc4 2021-03-15 12:15:38 -04:00
mach-nexell s5p4418_nanopi2: Drop dead code 2021-03-02 15:53:37 -05:00
mach-octeontx reset: Remove addr parameter from reset_cpu() 2021-03-02 14:03:02 -05:00
mach-octeontx2 reset: Remove addr parameter from reset_cpu() 2021-03-02 14:03:02 -05:00
mach-omap2 arm: Remove kc1 board 2021-04-10 08:01:24 -04:00
mach-orion5x reset: Remove addr parameter from reset_cpu() 2021-03-02 14:03:02 -05:00
mach-owl reset: Remove addr parameter from reset_cpu() 2021-03-02 14:03:02 -05:00
mach-qemu qemu: arm: Initialise virtio devices in board_late_init 2020-12-31 14:41:31 +01:00
mach-rmobile arm: mach-rmobile: Add CPU info support for RZ/G2 2021-04-13 23:36:25 +02:00
mach-rockchip rockchip: rk3368: move STACK_R_ADDR address and into Kconfig 2021-03-30 16:53:00 +08:00
mach-s5pc1xx
mach-snapdragon common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
mach-socfpga arm: socfpga: smc: Add function to get usercode 2021-04-08 17:29:13 +08:00
mach-sti
mach-stm32 board: Add rt-thread art-pi board support 2021-04-09 11:53:00 +02:00
mach-stm32mp Add rt-thread art-pi board support based on STM32H750 SoC 2021-04-09 13:10:59 -04:00
mach-sunxi sunxi: support asymmetric dual rank DRAM on A64/R40 2021-04-16 01:12:58 +01:00
mach-tegra Tegra: remove e2220-1170 board 2021-04-12 17:17:11 -04:00
mach-u8500
mach-uniphier reset: Remove addr parameter from reset_cpu() 2021-03-02 14:03:02 -05:00
mach-versal common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
mach-versatile
mach-zynq reset: Remove addr parameter from reset_cpu() 2021-03-02 14:03:02 -05:00
mach-zynqmp Xilinx changes for v2021.04-rc3 2021-02-23 10:45:55 -05:00
mach-zynqmp-r5 reset: Remove addr parameter from reset_cpu() 2021-03-02 14:03:02 -05:00
thumb1/include/asm/proc-armv
config.mk
Kconfig board: sl28: enable DM_SERIAL 2021-04-15 14:22:22 +05:30
Kconfig.debug
Makefile arm: octeontx2: Add support for OcteonTX2 SoC platforms 2020-08-25 08:01:16 +02:00