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Marek Vasut 74f88b7221 ARM: imx: imx8m: Fix board_get_usable_ram_top() 
The 4 GiB boundary is at 0xffffffff+1 , not at 0x80000000, fix this.

The PHYS_SDRAM of i.MX8M is at 0x40000000 , so to restrict ram_top
below 4 GiB, the ram_top has to be set to 0xffffffff as it is not
an offset from the start of PHYS_SDRAM, but rather a physical address
marking the topmost allowed DRAM address.

Fixes: e27bddff4b ("imx8m: Restrict usable memory to space below 4G boundary")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@denx.de>
Cc: Frieder Schrempf <frieder.schrempf@kontron.de>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Reviewed-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
2022-04-21 14:38:03 +02:00
..
arc dts: automatically build necessary .dtb files 2022-02-09 12:26:12 -07:00
arm ARM: imx: imx8m: Fix board_get_usable_ram_top() 2022-04-21 14:38:03 +02:00
m68k Convert CONFIG_MCFRTC et al to Kconfig 2022-04-01 10:28:46 -04:00
microblaze microblaze: Migrate DCACHE/ICACHE to Kconfig 2022-04-08 10:46:22 -04:00
mips event: Convert arch_cpu_init_dm() to use events 2022-03-10 08:28:36 -05:00
nds32 nds32: Migrate CONFIG_DEBUG_LED to Kconfig 2022-04-08 10:46:22 -04:00
nios2 event: Convert arch_cpu_init_dm() to use events 2022-03-10 08:28:36 -05:00
powerpc PPC: Enable Job ring driver model. 2022-04-12 11:20:30 +02:00
riscv riscv: alloc space exhausted 2022-04-06 10:58:13 +08:00
sandbox sandbox: Align linker lists to a 32-byte boundary 2022-04-18 17:53:56 -04:00
sh Split CONFIG_CC_OPTIMIZE_FOR_SIZE into two configs 2022-03-25 13:35:50 -04:00
x86 Remove duplication of table_compute_checksum function 2022-04-14 15:39:15 -04:00
xtensa Convert CONFIG_BOARD_POSTCLK_INIT to Kconfig 2022-03-03 16:51:19 -05:00
.gitignore
Kconfig Merge branch 'next' 2022-04-04 10:48:44 -04:00
u-boot-elf.lds