* Copyright 2004, 2007-2012 Freescale Semiconductor, Inc.
* Copyright (C) 2003 Motorola,Inc.
*
- * SPDX-License-Identifier: GPL-2.0+
+ * SPDX-License-Identifier: GPL-2.0+
*/
/* U-Boot Startup Code for Motorola 85xx PowerPC based Embedded Boards
#include <mpc85xx.h>
#include <version.h>
-#define _LINUX_CONFIG_H 1 /* avoid reading Linux autoconf.h file */
-
#include <ppc_asm.tmpl>
#include <ppc_defs.h>
#undef MSR_KERNEL
#define MSR_KERNEL ( MSR_ME ) /* Machine Check */
+#define LAW_EN 0x80000000
+
#if defined(CONFIG_NAND_SPL) || \
(defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_INIT_MINIMAL))
#define MINIMAL_SPL
li r1,MSR_DE
mtmsr r1
+ /*
+ * If we got an ePAPR device tree pointer passed in as r3, we need that
+ * later in cpu_init_early_f(). Save it to a safe register before we
+ * clobber it so that we can fetch it from there later.
+ */
+ mr r24, r3
+
#ifdef CONFIG_SYS_FSL_ERRATUM_A004510
mfspr r3,SPRN_SVR
rlwinm r3,r3,0,0xff
isync
2:
#endif
+#ifdef CONFIG_SYS_FSL_ERRATUM_A005125
+ msync
+ isync
+ mfspr r3, SPRN_HDBCR0
+ oris r3, r3, 0x0080
+ mtspr SPRN_HDBCR0, r3
+#endif
-#if defined(CONFIG_SECURE_BOOT) && defined(CONFIG_E500MC)
+
+#if defined(CONFIG_SECURE_BOOT) && defined(CONFIG_E500MC) && \
+ !defined(CONFIG_E6500)
/* ISBC uses L2 as stack.
* Disable L2 cache here so that u-boot can enable it later
* as part of it's normal flow
2: cmpw r3, r4
blt 1b
-#if defined(CONFIG_SYS_PPC_E500_DEBUG_TLB) && !defined(MINIMAL_SPL)
+#if defined(CONFIG_SYS_PPC_E500_DEBUG_TLB) && !defined(MINIMAL_SPL) && \
+ !defined(CONFIG_SECURE_BOOT)
/*
* TLB entry for debuggging in AS1
* Create temporary TLB entry in AS0 to handle debug exception
0xffc00000, MAS3_SX|MAS3_SW|MAS3_SR, \
0, r6
-#elif !defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SECURE_BOOT)
- create_tlb1_entry CONFIG_SYS_PPC_E500_DEBUG_TLB, \
- 0, BOOKE_PAGESZ_1M, \
- CONFIG_SYS_MONITOR_BASE, MAS2_I|MAS2_G, \
- CONFIG_SYS_PBI_FLASH_WINDOW, MAS3_SX|MAS3_SW|MAS3_SR, \
- 0, r6
#else
/*
* TLB entry is created for IVPR + IVOR15 to map on valid OP code address
#ifdef CONFIG_FSL_CORENET
#define CCSR_LAWBARH0 (CONFIG_SYS_CCSRBAR + 0x1000)
-#define LAW_EN 0x80000000
#define LAW_SIZE_4K 0xb
#define CCSRBAR_LAWAR (LAW_EN | (0x1e << 20) | LAW_SIZE_4K)
#define CCSRAR_C 0x80000000 /* Commit */
#endif /* #if (CONFIG_SYS_CCSRBAR_DEFAULT != CONFIG_SYS_CCSRBAR_PHYS) */
-#ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2
+#if defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
create_ccsr_l2_tlb:
/*
* Create a TLB for the MMR location of CCSR
erratum_set_dcsr 0xb0008 0x00900000
erratum_set_dcsr 0xb0e40 0xe00a0000
erratum_set_ccsr 0x18600 CONFIG_SYS_FSL_CORENET_SNOOPVEC_COREONLY
+#ifdef CONFIG_RAMBOOT_PBL
+ erratum_set_ccsr 0x10f00 0x495e5000
+#else
erratum_set_ccsr 0x10f00 0x415e5000
+#endif
erratum_set_ccsr 0x11f00 0x415e5000
/* Make temp mapping uncacheable again, if it was initially */
mr r1,r3 /* Transfer to SP(r1) */
GET_GOT
+
+ /* Pass our potential ePAPR device tree pointer to cpu_init_early_f */
+ mr r3, r24
+
bl cpu_init_early_f
/* switch back to AS = 0 */
mr r10,r5 /* Save copy of Destination Address */
GET_GOT
+#ifndef CONFIG_SPL_SKIP_RELOCATE
mr r3,r5 /* Destination Address */
lis r4,CONFIG_SYS_MONITOR_BASE@h /* Source Address */
ori r4,r4,CONFIG_SYS_MONITOR_BASE@l
mtlr r0
blr /* NEVER RETURNS! */
+#endif
.globl in_ram
in_ram:
isync
blr
-
-.globl setup_ivors
-setup_ivors:
-
-#include "fixed_ivor.S"
- blr
#endif /* !MINIMAL_SPL */