*
* Copyright (c) 2003 Wolfgang Denk <wd@denx.de>
*
- * SPDX-License-Identifier: GPL-2.0+
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <asm-offsets.h>
#define CONFIG_SYS_MIPS_CACHE_MODE CONF_CM_CACHABLE_NONCOHERENT
#endif
+#ifndef CONFIG_SYS_INIT_SP_ADDR
+#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + \
+ CONFIG_SYS_INIT_SP_OFFSET)
+#endif
+
#ifdef CONFIG_SYS_LITTLE_ENDIAN
#define MIPS64_R_INFO(ssym, r_type3, r_type2, r_type) \
(((r_type) << 24) | ((r_type2) << 16) | ((r_type3) << 8) | (ssym))
#endif
/* Set up temporary stack */
- dli sp, CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET
+ dli t0, -16
+ dli t1, CONFIG_SYS_INIT_SP_ADDR
+ and sp, t1, t0 # force 16 byte alignment
+ dsub sp, sp, GD_SIZE # reserve space for gd
+ and sp, sp, t0 # force 16 byte alignment
+ move k0, sp # save gd pointer
+#ifdef CONFIG_SYS_MALLOC_F_LEN
+ dli t2, CONFIG_SYS_MALLOC_F_LEN
+ dsub sp, sp, t2 # reserve space for early malloc
+ and sp, sp, t0 # force 16 byte alignment
+#endif
+ move fp, sp
+
+ /* Clear gd */
+ move t0, k0
+1:
+ sw zero, 0(t0)
+ blt t0, t1, 1b
+ daddi t0, 4
+
+#ifdef CONFIG_SYS_MALLOC_F_LEN
+ daddu t0, k0, GD_MALLOC_BASE # gd->malloc_base offset
+ sw sp, 0(t0)
+#endif
dla t9, board_init_f
jr t9
- nop
+ move ra, zero
/*
* void relocate_code (addr_sp, gd, addr_moni)
.ent relocate_code
relocate_code:
move sp, a0 # set new stack pointer
+ move fp, sp
move s0, a1 # save gd in s0
move s2, a2 # save destination address in s2
daddi t1, 8
move a0, s0 # a0 <-- gd
+ move a1, s2
dla t9, board_init_r
jr t9
- move a1, s2
+ move ra, zero
.end relocate_code