diff options
author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-02-24 11:09:08 +0000 |
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committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-02-24 11:09:08 +0000 |
commit | 4d1c817475411bea3a3b08426011ecd8faf0f44d (patch) | |
tree | d33f534a592395d057aa2a5ddc8eee7627a48d80 /os/common/ports/e200/devices/SPC56ELxx | |
parent | 59c1a8be04fc551123b89651f2316ec771ad5564 (diff) | |
download | ChibiOS-4d1c817475411bea3a3b08426011ecd8faf0f44d.tar.gz ChibiOS-4d1c817475411bea3a3b08426011ecd8faf0f44d.tar.bz2 ChibiOS-4d1c817475411bea3a3b08426011ecd8faf0f44d.zip |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6722 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/common/ports/e200/devices/SPC56ELxx')
-rw-r--r-- | os/common/ports/e200/devices/SPC56ELxx/boot.h | 252 | ||||
-rw-r--r-- | os/common/ports/e200/devices/SPC56ELxx/boot.s | 225 |
2 files changed, 289 insertions, 188 deletions
diff --git a/os/common/ports/e200/devices/SPC56ELxx/boot.h b/os/common/ports/e200/devices/SPC56ELxx/boot.h new file mode 100644 index 000000000..9bc54e695 --- /dev/null +++ b/os/common/ports/e200/devices/SPC56ELxx/boot.h @@ -0,0 +1,252 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012,2013 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file boot.h
+ * @brief Boot parameters for the SPC56ELxx.
+ * @{
+ */
+
+#ifndef _BOOT_H_
+#define _BOOT_H_
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/**
+ * @name MASx registers definitions
+ * @{
+ */
+#define MAS0_TBLMAS_TBL 0x10000000
+#define MAS0_ESEL_MASK 0x000F0000
+#define MAS0_ESEL(n) ((n) << 16)
+
+#define MAS1_VALID 0x80000000
+#define MAS1_IPROT 0x40000000
+#define MAS1_TID_MASK 0x00FF0000
+#define MAS1_TS 0x00001000
+#define MAS1_TSISE_MASK 0x00000F80
+#define MAS1_TSISE_1K 0x00000000
+#define MAS1_TSISE_2K 0x00000080
+#define MAS1_TSISE_4K 0x00000100
+#define MAS1_TSISE_8K 0x00000180
+#define MAS1_TSISE_16K 0x00000200
+#define MAS1_TSISE_32K 0x00000280
+#define MAS1_TSISE_64K 0x00000300
+#define MAS1_TSISE_128K 0x00000380
+#define MAS1_TSISE_256K 0x00000400
+#define MAS1_TSISE_512K 0x00000480
+#define MAS1_TSISE_1M 0x00000500
+#define MAS1_TSISE_2M 0x00000580
+#define MAS1_TSISE_4M 0x00000600
+#define MAS1_TSISE_8M 0x00000680
+#define MAS1_TSISE_16M 0x00000700
+#define MAS1_TSISE_32M 0x00000780
+#define MAS1_TSISE_64M 0x00000800
+#define MAS1_TSISE_128M 0x00000880
+#define MAS1_TSISE_256M 0x00000900
+#define MAS1_TSISE_512M 0x00000980
+#define MAS1_TSISE_1G 0x00000A00
+#define MAS1_TSISE_2G 0x00000A80
+#define MAS1_TSISE_4G 0x00000B00
+
+#define MAS2_EPN_MASK 0xFFFFFC00
+#define MAS2_EPN(n) ((n) & MAS2_EPN_MASK)
+#define MAS2_EBOOK 0x00000000
+#define MAS2_VLE 0x00000020
+#define MAS2_W 0x00000010
+#define MAS2_I 0x00000008
+#define MAS2_M 0x00000004
+#define MAS2_G 0x00000002
+#define MAS2_E 0x00000001
+
+#define MAS3_RPN_MASK 0xFFFFFC00
+#define MAS3_RPN(n) ((n) & MAS3_RPN_MASK)
+#define MAS3_U0 0x00000200
+#define MAS3_U1 0x00000100
+#define MAS3_U2 0x00000080
+#define MAS3_U3 0x00000040
+#define MAS3_UX 0x00000020
+#define MAS3_SX 0x00000010
+#define MAS3_UW 0x00000008
+#define MAS3_SW 0x00000004
+#define MAS3_UR 0x00000002
+#define MAS3_SR 0x00000001
+/** @} */
+
+/**
+ * @name BUCSR registers definitions
+ * @{
+ */
+#define BUCSR_BPEN 0x00000001
+#define BUCSR_BPRED_MASK 0x00000006
+#define BUCSR_BPRED_0 0x00000000
+#define BUCSR_BPRED_1 0x00000002
+#define BUCSR_BPRED_2 0x00000004
+#define BUCSR_BPRED_3 0x00000006
+#define BUCSR_BALLOC_MASK 0x00000030
+#define BUCSR_BALLOC_0 0x00000000
+#define BUCSR_BALLOC_1 0x00000010
+#define BUCSR_BALLOC_2 0x00000020
+#define BUCSR_BALLOC_3 0x00000030
+#define BUCSR_BALLOC_BFI 0x00000200
+/** @} */
+
+/**
+ * @name LICSR1 registers definitions
+ * @{
+ */
+#define LICSR1_ICE 0x00000001
+#define LICSR1_ICINV 0x00000002
+#define LICSR1_ICORG 0x00000010
+/** @} */
+
+/**
+ * @name MSR register definitions
+ * @{
+ */
+#define MSR_UCLE 0x04000000
+#define MSR_SPE 0x02000000
+#define MSR_WE 0x00040000
+#define MSR_CE 0x00020000
+#define MSR_EE 0x00008000
+#define MSR_PR 0x00004000
+#define MSR_FP 0x00002000
+#define MSR_ME 0x00001000
+#define MSR_FE0 0x00000800
+#define MSR_DE 0x00000200
+#define MSR_FE1 0x00000100
+#define MSR_IS 0x00000020
+#define MSR_DS 0x00000010
+#define MSR_RI 0x00000002
+/** @} */
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*
+ * TLB default settings.
+ */
+#define TLB0_MAS0 (MAS0_TBLMAS_TBL | MAS0_ESEL(0))
+#define TLB0_MAS1 (MAS1_VALID | MAS1_IPROT | MAS1_TSISE_2M)
+#define TLB0_MAS2 (MAS2_EPN(0x00000000) | MAS2_VLE)
+#define TLB0_MAS3 (MAS3_RPN(0x00000000) | \
+ MAS3_UX | MAS3_SX | MAS3_UW | MAS3_SW | \
+ MAS3_UR | MAS3_SR)
+
+#define TLB1_MAS0 (MAS0_TBLMAS_TBL | MAS0_ESEL(1))
+#define TLB1_MAS1 (MAS1_VALID | MAS1_IPROT | MAS1_TSISE_256K)
+#define TLB1_MAS2 (MAS2_EPN(0x40000000) | MAS2_VLE)
+#define TLB1_MAS3 (MAS3_RPN(0x40000000) | \
+ MAS3_UX | MAS3_SX | MAS3_UW | MAS3_SW | \
+ MAS3_UR | MAS3_SR)
+
+#define TLB2_MAS0 (MAS0_TBLMAS_TBL | MAS0_ESEL(2))
+#define TLB2_MAS1 (MAS1_VALID | MAS1_IPROT | MAS1_TSISE_1M)
+#define TLB2_MAS2 (MAS2_EPN(0xC3F00000) | MAS2_I)
+#define TLB2_MAS3 (MAS3_RPN(0xC3F00000) | \
+ MAS3_UW | MAS3_SW | MAS3_UR | MAS3_SR)
+
+#define TLB3_MAS0 (MAS0_TBLMAS_TBL | MAS0_ESEL(3))
+#define TLB3_MAS1 (MAS1_VALID | MAS1_IPROT | MAS1_TSISE_1M)
+#define TLB3_MAS2 (MAS2_EPN(0xFFE00000) | MAS2_I)
+#define TLB3_MAS3 (MAS3_RPN(0xFFE00000) | \
+ MAS3_UW | MAS3_SW | MAS3_UR | MAS3_SR)
+
+#define TLB4_MAS0 (MAS0_TBLMAS_TBL | MAS0_ESEL(4))
+#define TLB4_MAS1 (MAS1_VALID | MAS1_IPROT | MAS1_TSISE_1M)
+#define TLB4_MAS2 (MAS2_EPN(0x8FF00000) | MAS2_I)
+#define TLB4_MAS3 (MAS3_RPN(0x8FF00000) | \
+ MAS3_UW | MAS3_SW | MAS3_UR | MAS3_SR)
+
+#define TLB5_MAS0 (MAS0_TBLMAS_TBL | MAS0_ESEL(5))
+#define TLB5_MAS1 (MAS1_VALID | MAS1_IPROT | MAS1_TSISE_1M)
+#define TLB5_MAS2 (MAS2_EPN(0xFFF00000) | MAS2_I)
+#define TLB5_MAS3 (MAS3_RPN(0xFFF00000) | \
+ MAS3_UW | MAS3_SW | MAS3_UR | MAS3_SR)
+
+/*
+ * BUCSR default settings.
+ */
+#if !defined(BOOT_BUCSR_DEFAULT) || defined(__DOXYGEN__)
+#define BOOT_BUCSR_DEFAULT (BUCSR_BPEN | BUCSR_BPRED_0 | \
+ BUCSR_BALLOC_0 | BUCSR_BALLOC_BFI)
+#endif
+
+/*
+ * LICSR1 default settings.
+ */
+#if !defined(BOOT_LICSR1_DEFAULT) || defined(__DOXYGEN__)
+#define BOOT_LICSR1_DEFAULT (LICSR1_ICE | LICSR1_ICORG)
+#endif
+
+/*
+ * MSR default settings.
+ */
+#if !defined(BOOT_MSR_DEFAULT) || defined(__DOXYGEN__)
+#define BOOT_MSR_DEFAULT (MSR_SPE | MSR_WE | MSR_CE | MSR_ME)
+#endif
+
+/*
+ * Boot default settings.
+ */
+#if !defined(BOOT_PERFORM_CORE_INIT) || defined(__DOXYGEN__)
+#define BOOT_PERFORM_CORE_INIT 1
+#endif
+
+/*
+ * VLE mode default settings.
+ */
+#if !defined(BOOT_USE_VLE) || defined(__DOXYGEN__)
+#define BOOT_USE_VLE 1
+#endif
+
+/*
+ * RAM relocation flag.
+ */
+#if !defined(BOOT_RELOCATE_IN_RAM) || defined(__DOXYGEN__)
+#define BOOT_RELOCATE_IN_RAM 0
+#endif
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+#endif /* _BOOT_H_ */
+
+/** @} */
diff --git a/os/common/ports/e200/devices/SPC56ELxx/boot.s b/os/common/ports/e200/devices/SPC56ELxx/boot.s index 86e35b4ee..2a6c57f2c 100644 --- a/os/common/ports/e200/devices/SPC56ELxx/boot.s +++ b/os/common/ports/e200/devices/SPC56ELxx/boot.s @@ -26,192 +26,14 @@ * @{
*/
-
-/**
- * @name MASx registers definitions
- * @{
- */
-#define MAS0_TBLMAS_TBL 0x10000000
-#define MAS0_ESEL_MASK 0x000F0000
-#define MAS0_ESEL(n) ((n) << 16)
-
-#define MAS1_VALID 0x80000000
-#define MAS1_IPROT 0x40000000
-#define MAS1_TID_MASK 0x00FF0000
-#define MAS1_TS 0x00001000
-#define MAS1_TSISE_MASK 0x00000F80
-#define MAS1_TSISE_1K 0x00000000
-#define MAS1_TSISE_2K 0x00000080
-#define MAS1_TSISE_4K 0x00000100
-#define MAS1_TSISE_8K 0x00000180
-#define MAS1_TSISE_16K 0x00000200
-#define MAS1_TSISE_32K 0x00000280
-#define MAS1_TSISE_64K 0x00000300
-#define MAS1_TSISE_128K 0x00000380
-#define MAS1_TSISE_256K 0x00000400
-#define MAS1_TSISE_512K 0x00000480
-#define MAS1_TSISE_1M 0x00000500
-#define MAS1_TSISE_2M 0x00000580
-#define MAS1_TSISE_4M 0x00000600
-#define MAS1_TSISE_8M 0x00000680
-#define MAS1_TSISE_16M 0x00000700
-#define MAS1_TSISE_32M 0x00000780
-#define MAS1_TSISE_64M 0x00000800
-#define MAS1_TSISE_128M 0x00000880
-#define MAS1_TSISE_256M 0x00000900
-#define MAS1_TSISE_512M 0x00000980
-#define MAS1_TSISE_1G 0x00000A00
-#define MAS1_TSISE_2G 0x00000A80
-#define MAS1_TSISE_4G 0x00000B00
-
-#define MAS2_EPN_MASK 0xFFFFFC00
-#define MAS2_EPN(n) ((n) & MAS2_EPN_MASK)
-#define MAS2_EBOOK 0x00000000
-#define MAS2_VLE 0x00000020
-#define MAS2_W 0x00000010
-#define MAS2_I 0x00000008
-#define MAS2_M 0x00000004
-#define MAS2_G 0x00000002
-#define MAS2_E 0x00000001
-
-#define MAS3_RPN_MASK 0xFFFFFC00
-#define MAS3_RPN(n) ((n) & MAS3_RPN_MASK)
-#define MAS3_U0 0x00000200
-#define MAS3_U1 0x00000100
-#define MAS3_U2 0x00000080
-#define MAS3_U3 0x00000040
-#define MAS3_UX 0x00000020
-#define MAS3_SX 0x00000010
-#define MAS3_UW 0x00000008
-#define MAS3_SW 0x00000004
-#define MAS3_UR 0x00000002
-#define MAS3_SR 0x00000001
-/** @} */
-
-/**
- * @name BUCSR registers definitions
- * @{
- */
-#define BUCSR_BPEN 0x00000001
-#define BUCSR_BPRED_MASK 0x00000006
-#define BUCSR_BPRED_0 0x00000000
-#define BUCSR_BPRED_1 0x00000002
-#define BUCSR_BPRED_2 0x00000004
-#define BUCSR_BPRED_3 0x00000006
-#define BUCSR_BALLOC_MASK 0x00000030
-#define BUCSR_BALLOC_0 0x00000000
-#define BUCSR_BALLOC_1 0x00000010
-#define BUCSR_BALLOC_2 0x00000020
-#define BUCSR_BALLOC_3 0x00000030
-#define BUCSR_BALLOC_BFI 0x00000200
-/** @} */
-
-/**
- * @name LICSR1 registers definitions
- * @{
- */
-#define LICSR1_ICE 0x00000001
-#define LICSR1_ICINV 0x00000002
-#define LICSR1_ICORG 0x00000010
-/** @} */
-
-/**
- * @name MSR register definitions
- * @{
- */
-#define MSR_UCLE 0x04000000
-#define MSR_SPE 0x02000000
-#define MSR_WE 0x00040000
-#define MSR_CE 0x00020000
-#define MSR_EE 0x00008000
-#define MSR_PR 0x00004000
-#define MSR_FP 0x00002000
-#define MSR_ME 0x00001000
-#define MSR_FE0 0x00000800
-#define MSR_DE 0x00000200
-#define MSR_FE1 0x00000100
-#define MSR_IS 0x00000020
-#define MSR_DS 0x00000010
-#define MSR_RI 0x00000002
-/** @} */
-
-/*
- * TLB default settings.
- */
-#define TLB0_MAS0 (MAS0_TBLMAS_TBL | MAS0_ESEL(0))
-#define TLB0_MAS1 (MAS1_VALID | MAS1_IPROT | MAS1_TSISE_2M)
-#define TLB0_MAS2 (MAS2_EPN(0x00000000) | MAS2_VLE)
-#define TLB0_MAS3 (MAS3_RPN(0x00000000) | \
- MAS3_UX | MAS3_SX | MAS3_UW | MAS3_SW | \
- MAS3_UR | MAS3_SR)
-
-#define TLB1_MAS0 (MAS0_TBLMAS_TBL | MAS0_ESEL(1))
-#define TLB1_MAS1 (MAS1_VALID | MAS1_IPROT | MAS1_TSISE_256K)
-#define TLB1_MAS2 (MAS2_EPN(0x40000000) | MAS2_VLE)
-#define TLB1_MAS3 (MAS3_RPN(0x40000000) | \
- MAS3_UX | MAS3_SX | MAS3_UW | MAS3_SW | \
- MAS3_UR | MAS3_SR)
-
-#define TLB2_MAS0 (MAS0_TBLMAS_TBL | MAS0_ESEL(2))
-#define TLB2_MAS1 (MAS1_VALID | MAS1_IPROT | MAS1_TSISE_1M)
-#define TLB2_MAS2 (MAS2_EPN(0xC3F00000) | MAS2_I)
-#define TLB2_MAS3 (MAS3_RPN(0xC3F00000) | \
- MAS3_UW | MAS3_SW | MAS3_UR | MAS3_SR)
-
-#define TLB3_MAS0 (MAS0_TBLMAS_TBL | MAS0_ESEL(3))
-#define TLB3_MAS1 (MAS1_VALID | MAS1_IPROT | MAS1_TSISE_1M)
-#define TLB3_MAS2 (MAS2_EPN(0xFFE00000) | MAS2_I)
-#define TLB3_MAS3 (MAS3_RPN(0xFFE00000) | \
- MAS3_UW | MAS3_SW | MAS3_UR | MAS3_SR)
-
-#define TLB4_MAS0 (MAS0_TBLMAS_TBL | MAS0_ESEL(4))
-#define TLB4_MAS1 (MAS1_VALID | MAS1_IPROT | MAS1_TSISE_1M)
-#define TLB4_MAS2 (MAS2_EPN(0x8FF00000) | MAS2_I)
-#define TLB4_MAS3 (MAS3_RPN(0x8FF00000) | \
- MAS3_UW | MAS3_SW | MAS3_UR | MAS3_SR)
-
-#define TLB5_MAS0 (MAS0_TBLMAS_TBL | MAS0_ESEL(5))
-#define TLB5_MAS1 (MAS1_VALID | MAS1_IPROT | MAS1_TSISE_1M)
-#define TLB5_MAS2 (MAS2_EPN(0xFFF00000) | MAS2_I)
-#define TLB5_MAS3 (MAS3_RPN(0xFFF00000) | \
- MAS3_UW | MAS3_SW | MAS3_UR | MAS3_SR)
-
-/*
- * BUCSR default settings.
- */
-#define BUCSR_DEFAULT (BUCSR_BPEN | BUCSR_BPRED_0 | \
- BUCSR_BALLOC_0 | BUCSR_BALLOC_BFI)
-
-/*
- * LICSR1 default settings.
- */
-#define LICSR1_DEFAULT (LICSR1_ICE | LICSR1_ICORG)
-
-/*
- * MSR default settings.
- */
-#define MSR_DEFAULT (MSR_SPE | MSR_WE | MSR_CE | MSR_ME)
-
-/*
- * Boot default settings.
- */
-#if !defined(BOOT_PERFORM_CORE_INIT) || defined(__DOXYGEN__)
-#define BOOT_PERFORM_CORE_INIT 1
-#endif
-
-/*
- * VLE mode default settings.
- */
-#if !defined(PPC_USE_VLE) || defined(__DOXYGEN__)
-#define PPC_USE_VLE 1
-#endif
+#include "boot.h"
#if !defined(__DOXYGEN__)
/* BAM record.*/
.section .boot, "ax"
-#if PPC_USE_VLE
+#if BOOT_USE_VLE
.long 0x015A0000
#else
.long 0x005A0000
@@ -222,12 +44,35 @@ .globl _reset_address
.type _reset_address, @function
_reset_address:
-#if BOOT_PERFORM_CORE_INIT
bl _coreinit
-#endif
bl _ivinit
+#if BOOT_RELOCATE_IN_RAM
+ /*
+ * Image relocation in RAM.
+ */
+ lis %r4, __ram_reloc_start__@h
+ ori %r4, %r4, __ram_reloc_start__@l
+ lis %r5, __ram_reloc_dest__@h
+ ori %r5, %r5, __ram_reloc_dest__@l
+ lis %r6, __ram_reloc_end__@h
+ ori %r6, %r6, __ram_reloc_end__@l
+.relloop:
+ cmpl cr0, %r4, %r6
+ bge cr0, .relend
+ lwz %r7, 0(%r4)
+ addi %r4, %r4, 4
+ stw %r7, 0(%r5)
+ addi %r5, %r5, 4
+ b .relloop
+.relend:
+ lis %r3, _boot_address@h
+ ori %r3, %r3, _boot_address@l
+ mtctr %r3
+ bctrl
+#else
b _boot_address
+#endif
#if BOOT_PERFORM_CORE_INIT
.align 2
@@ -235,9 +80,11 @@ _ramcode: tlbwe
isync
blr
+#endif /* BOOT_PERFORM_CORE_INIT */
.align 2
_coreinit:
+#if BOOT_PERFORM_CORE_INIT
/*
* Invalidating all TLBs except TLB0.
*/
@@ -419,6 +266,7 @@ _coreinit: addi %r4, %r4, 64
b .cleareccloop
.cleareccend:
+#endif /* BOOT_PERFORM_CORE_INIT */
/*
* Special function registers clearing, required in order to avoid
@@ -454,6 +302,7 @@ _coreinit: mtspr 604, %r31 /* SPRG8-9 */
mtspr 605, %r31
+#if BOOT_PERFORM_CORE_INIT
/*
* *Finally* the TLB0 is re-allocated to flash, note, the final phase
* is executed from RAM.
@@ -482,11 +331,12 @@ _coreinit: stw %r3, 8(%r7)
bctrl
mtlr %r4
+#endif /* BOOT_PERFORM_CORE_INIT */
/*
* Branch prediction enabled.
*/
- li %r3, BUCSR_DEFAULT
+ li %r3, BOOT_BUCSR_DEFAULT
mtspr 1013, %r3 /* BUCSR */
/*
@@ -497,12 +347,11 @@ _coreinit: .inv: mfspr %r3, 1011 /* LICSR1 */
andi. %r3, %r3, LICSR1_ICINV
bne .inv
- lis %r3, LICSR1_DEFAULT@h
- ori %r3, %r3, LICSR1_DEFAULT@l
+ lis %r3, BOOT_LICSR1_DEFAULT@h
+ ori %r3, %r3, BOOT_LICSR1_DEFAULT@l
mtspr 1011, %r3 /* LICSR1 */
blr
-#endif /* BOOT_PERFORM_CORE_INIT */
/*
* Exception vectors initialization.
@@ -510,8 +359,8 @@ _coreinit: .align 2
_ivinit:
/* MSR initialization.*/
- lis %r3, MSR_DEFAULT@h
- ori %r3, %r3, MSR_DEFAULT@l
+ lis %r3, BOOT_MSR_DEFAULT@h
+ ori %r3, %r3, BOOT_MSR_DEFAULT@l
mtMSR %r3
/* IVPR initialization.*/
|