Message ID | 20210910204718.17765-9-marek.vasut+renesas@gmail.com |
---|---|
State | Accepted |
Commit | eeaa3fe65270758ab0bdb1515e14f9bf936d3a25 |
Delegated to: | Tom Rini |
Headers | show |
Series | [01/12] lmb: Always compile arch_lmb_reserve() into U-Boot on arm | expand |
On Fri, Sep 10, 2021 at 10:47:15PM +0200, Marek Vasut wrote: > Add arch_lmb_reserve() implemented using arch_lmb_reserve_generic(). > It is rather likely this architecture also needs to cover U-Boot with > LMB before booting Linux. > > Reviewed-by: Rick Chen <rick@andestech.com> > Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> > Cc: Atish Patra <atish.patra@wdc.com> > Cc: Leo <ycliang@andestech.com> > Cc: Rick Chen <rick@andestech.com> > Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com> > Cc: Tom Rini <trini@konsulko.com> Applied to u-boot/next, thanks!
diff --git a/arch/riscv/lib/bootm.c b/arch/riscv/lib/bootm.c index 8dd1820540..ff1bdf7131 100644 --- a/arch/riscv/lib/bootm.c +++ b/arch/riscv/lib/bootm.c @@ -135,3 +135,16 @@ int do_bootm_vxworks(int flag, int argc, char *const argv[], { return do_bootm_linux(flag, argc, argv, images); } + +static ulong get_sp(void) +{ + ulong ret; + + asm("mv %0, sp" : "=r"(ret) : ); + return ret; +} + +void arch_lmb_reserve(struct lmb *lmb) +{ + arch_lmb_reserve_generic(lmb, get_sp(), gd->ram_top, 4096); +}