diff options
Diffstat (limited to 'board/freescale/ls2085a')
| -rw-r--r-- | board/freescale/ls2085a/README | 11 | ||||
| -rw-r--r-- | board/freescale/ls2085a/ls2085a.c | 15 |
2 files changed, 20 insertions, 6 deletions
diff --git a/board/freescale/ls2085a/README b/board/freescale/ls2085a/README index b7023e1d48..bc1d0bb4a7 100644 --- a/board/freescale/ls2085a/README +++ b/board/freescale/ls2085a/README @@ -14,3 +14,14 @@ Memory map from core's view Other addresses are either reserved, or not used directly by u-boot. This list should be updated when more addresses are used. + +Booting Linux flavors which do not support 48-bit VA (< Linux 3.18) +------------------------------------------------------------------- +One needs to use appropriate bootargs to boot Linux flavors which do +not support 48-bit VA (for e.g. < Linux 3.18) by appending mem=2048M, as shown +below: + +=> setenv bootargs 'console=ttyS1,115200 root=/dev/ram + earlycon=uart8250,mmio,0x21c0600,115200 default_hugepagesz=2m hugepagesz=2m + hugepages=16 mem=2048M' + diff --git a/board/freescale/ls2085a/ls2085a.c b/board/freescale/ls2085a/ls2085a.c index dd0acf23b2..e43dd4c9af 100644 --- a/board/freescale/ls2085a/ls2085a.c +++ b/board/freescale/ls2085a/ls2085a.c @@ -127,15 +127,18 @@ void fdt_fixup_board_enet(void *fdt) #ifdef CONFIG_OF_BOARD_SETUP int ft_board_setup(void *blob, bd_t *bd) { - phys_addr_t base; - phys_size_t size; + u64 base[CONFIG_NR_DRAM_BANKS]; + u64 size[CONFIG_NR_DRAM_BANKS]; ft_cpu_setup(blob, bd); - /* limit the memory size to bank 1 until Linux can handle 40-bit PA */ - base = getenv_bootm_low(); - size = getenv_bootm_size(); - fdt_fixup_memory(blob, (u64)base, (u64)size); + /* fixup DT for the two GPP DDR banks */ + base[0] = gd->bd->bi_dram[0].start; + size[0] = gd->bd->bi_dram[0].size; + base[1] = gd->bd->bi_dram[1].start; + size[1] = gd->bd->bi_dram[1].size; + + fdt_fixup_memory_banks(blob, base, size, 2); #ifdef CONFIG_FSL_MC_ENET fdt_fixup_board_enet(blob); |