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lmb: handle more than one DRAM BANK

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This fixes the automatic lmb initialization and reservation for boards
with more than one DRAM bank.

This fixes the CVE-2018-18439 and -18440 fixes that only allowed to load
files into the firs DRAM bank from fs and via tftp.

Found-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Tested-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Goldschmidt
2019-01-26 22:13:04 +01:00
committed by Tom Rini
parent e3b4fc9598
commit 9cc2323fee
5 changed files with 41 additions and 13 deletions
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7
include/lmb.h
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@@ -4,6 +4,8 @@
#ifdef __KERNEL__
#include <asm/types.h>
#include <asm/u-boot.h>
/*
* Logical memory blocks.
*
@@ -29,8 +31,9 @@ struct lmb {
};
extern void lmb_init(struct lmb *lmb);
extern void lmb_init_and_reserve(struct lmb *lmb, phys_addr_t base,
phys_size_t size, void *fdt_blob);
extern void lmb_init_and_reserve(struct lmb *lmb, bd_t *bd, void *fdt_blob);
extern void lmb_init_and_reserve_range(struct lmb *lmb, phys_addr_t base,
phys_size_t size, void *fdt_blob);
extern long lmb_add(struct lmb *lmb, phys_addr_t base, phys_size_t size);
extern long lmb_reserve(struct lmb *lmb, phys_addr_t base, phys_size_t size);
extern phys_addr_t lmb_alloc(struct lmb *lmb, phys_size_t size, ulong align);