In case of no relocation we'll just waste some paceat the very end of usable memory area. If U-Boot is huge and we cannot use a lot of memory this loss will be pretty inconvenient.
Signed-off-by: Alexey Brodkin abrodkin@synopsys.com Cc: Simon Glass sjg@chromium.org Cc: Bin Meng bmeng.cn@gmail.com Cc: Heiko Schocher hs@denx.de Cc: York Sun york.sun@nxp.com Cc: Stefan Roese sr@denx.de --- common/board_f.c | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-)
diff --git a/common/board_f.c b/common/board_f.c index 92743089087e..d1662199a570 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -396,19 +396,21 @@ static int reserve_trace(void)
static int reserve_uboot(void) { - /* - * reserve memory for U-Boot code, data & bss - * round down to next 4 kB limit - */ - gd->relocaddr -= gd->mon_len; - gd->relocaddr &= ~(4096 - 1); -#if defined(CONFIG_E500) || defined(CONFIG_MIPS) - /* round down to next 64 kB limit so that IVPR stays aligned */ - gd->relocaddr &= ~(65536 - 1); -#endif - - debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, - gd->relocaddr); + if (!(gd->flags & GD_FLG_SKIP_RELOC)) { + /* + * reserve memory for U-Boot code, data & bss + * round down to next 4 kB limit + */ + gd->relocaddr -= gd->mon_len; + gd->relocaddr &= ~(4096 - 1); + #if defined(CONFIG_E500) || defined(CONFIG_MIPS) + /* round down to next 64 kB limit so that IVPR stays aligned */ + gd->relocaddr &= ~(65536 - 1); + #endif + + debug("Reserving %ldk for U-Boot at: %08lx\n", + gd->mon_len >> 10, gd->relocaddr); + }
gd->start_addr_sp = gd->relocaddr;