Re: [PATCH 10/12] lmb: sh: Add arch_lmb_reserve()

[Tom Rini]

On Fri, Sep 10, 2021 at 10:47:16PM +0200, Marek Vasut wrote:

> Add arch_lmb_reserve() implemented using arch_lmb_reserve_generic().
> This architecture also needs to cover U-Boot with LMB before booting
> Linux.
> 
> Signed-off-by: Marek Vasut 
> Cc: Simon Goldschmidt 
> Cc: Tom Rini 

Applied to u-boot/next, thanks!

-- 
Tom


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[PATCH 10/12] lmb: sh: Add arch_lmb_reserve()

[Marek Vasut]

Add arch_lmb_reserve() implemented using arch_lmb_reserve_generic().
This architecture also needs to cover U-Boot with LMB before booting
Linux.

Signed-off-by: Marek Vasut 
Cc: Simon Goldschmidt 
Cc: Tom Rini 
---
V2: No change
---
 arch/sh/lib/bootm.c | 16 
 1 file changed, 16 insertions(+)

diff --git a/arch/sh/lib/bootm.c b/arch/sh/lib/bootm.c
index dc94f83785..9b71424dfe 100644
--- a/arch/sh/lib/bootm.c
+++ b/arch/sh/lib/bootm.c
@@ -12,8 +12,11 @@
 #include 
 #include 
 #include 
+#include 
 #include 
 
+DECLARE_GLOBAL_DATA_PTR;
+
 #ifdef CONFIG_SYS_DEBUG
 static void hexdump(unsigned char *buf, int len)
 {
@@ -111,3 +114,16 @@ int do_bootm_linux(int flag, int argc, char *const argv[],
/* does not return */
return 1;
 }
+
+static ulong get_sp(void)
+{
+   ulong ret;
+
+   asm("mov r15, %0" : "=r"(ret) : );
+   return ret;
+}
+
+void arch_lmb_reserve(struct lmb *lmb)
+{
+   arch_lmb_reserve_generic(lmb, get_sp(), gd->ram_top, 4096);
+}
-- 
2.33.0