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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2014-02-26 10:35:21 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2014-02-26 10:35:21 +0000
commitce46beee69f46e8fc26a67c6e8b993ff6f45d2cd (patch)
treea7f7e095da20154e0951798b9fb0771bbad5e9a9 /os/common/ports
parentb0610b61ecafcd9e72b88bc8ec392480a593977e (diff)
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6728 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/common/ports')
-rw-r--r--os/common/ports/e200/compilers/GCC/ld/SPC560P50.ld31
-rw-r--r--os/common/ports/e200/compilers/GCC/rules_z0.ld163
-rw-r--r--os/common/ports/e200/compilers/GCC/rules_z4.ld1
-rw-r--r--os/common/ports/e200/devices/SPC560Pxx/boot.h118
-rw-r--r--os/common/ports/e200/devices/SPC560Pxx/boot.s214
-rw-r--r--os/common/ports/e200/devices/SPC560Pxx/ppcparams.h77
6 files changed, 604 insertions, 0 deletions
diff --git a/os/common/ports/e200/compilers/GCC/ld/SPC560P50.ld b/os/common/ports/e200/compilers/GCC/ld/SPC560P50.ld
new file mode 100644
index 000000000..ab1bb66f4
--- /dev/null
+++ b/os/common/ports/e200/compilers/GCC/ld/SPC560P50.ld
@@ -0,0 +1,31 @@
+/*
+ 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/>.
+*/
+
+/*
+ * SPC560P50 memory setup.
+ */
+MEMORY
+{
+ flash : org = 0x00000000, len = 512k
+ dataflash : org = 0x00800000, len = 64k
+ ram : org = 0x40000000, len = 40k
+}
+
+INCLUDE rules_z0.ld
diff --git a/os/common/ports/e200/compilers/GCC/rules_z0.ld b/os/common/ports/e200/compilers/GCC/rules_z0.ld
new file mode 100644
index 000000000..f6c9555fe
--- /dev/null
+++ b/os/common/ports/e200/compilers/GCC/rules_z0.ld
@@ -0,0 +1,163 @@
+/*
+ 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/>.
+*/
+
+__ram_size__ = LENGTH(ram);
+__ram_start__ = ORIGIN(ram);
+__ram_end__ = ORIGIN(ram) + LENGTH(ram);
+
+ENTRY(_reset_address)
+
+SECTIONS
+{
+ . = ORIGIN(flash);
+ .boot0 : ALIGN(16) SUBALIGN(16)
+ {
+ KEEP(*(.boot))
+ } > flash
+
+ .boot1 : ALIGN(16) SUBALIGN(16)
+ {
+ KEEP(*(.handlers))
+ KEEP(*(.crt0))
+ /* The vectors table requires a 2kB alignment.*/
+ . = ALIGN(0x800);
+ KEEP(*(.vectors))
+ /* The IVPR register requires a 4kB alignment.*/
+ . = ALIGN(0x1000);
+ __ivpr_base__ = .;
+ KEEP(*(.ivors))
+ } > flash
+
+ constructors : ALIGN(4) SUBALIGN(4)
+ {
+ PROVIDE(__init_array_start = .);
+ KEEP(*(SORT(.init_array.*)))
+ KEEP(*(.init_array))
+ PROVIDE(__init_array_end = .);
+ } > flash
+
+ destructors : ALIGN(4) SUBALIGN(4)
+ {
+ PROVIDE(__fini_array_start = .);
+ KEEP(*(.fini_array))
+ KEEP(*(SORT(.fini_array.*)))
+ PROVIDE(__fini_array_end = .);
+ } > flash
+
+ .text_vle : ALIGN(16) SUBALIGN(16)
+ {
+ *(.text_vle)
+ *(.text_vle.*)
+ *(.gnu.linkonce.t_vle.*)
+ } > flash
+
+ .text : ALIGN(16) SUBALIGN(16)
+ {
+ *(.text)
+ *(.text.*)
+ *(.gnu.linkonce.t.*)
+ } > flash
+
+ .rodata : ALIGN(16) SUBALIGN(16)
+ {
+ *(.glue_7t)
+ *(.glue_7)
+ *(.gcc*)
+ *(.rodata)
+ *(.rodata.*)
+ *(.rodata1)
+ } > flash
+
+ .sdata2 : ALIGN(16) SUBALIGN(16)
+ {
+ __sdata2_start__ = . + 0x8000;
+ *(.sdata2)
+ *(.sdata2.*)
+ *(.gnu.linkonce.s2.*)
+ *(.sbss2)
+ *(.sbss2.*)
+ *(.gnu.linkonce.sb2.*)
+ } > flash
+
+ .eh_frame_hdr :
+ {
+ *(.eh_frame_hdr)
+ } > flash
+
+ .eh_frame : ONLY_IF_RO
+ {
+ *(.eh_frame)
+ } > flash
+
+ .romdata : ALIGN(16) SUBALIGN(16)
+ {
+ __romdata_start__ = .;
+ } > flash
+
+ .stacks : ALIGN(16) SUBALIGN(16)
+ {
+ . = ALIGN(8);
+ __irq_stack_base__ = .;
+ . += __irq_stack_size__;
+ . = ALIGN(8);
+ __irq_stack_end__ = .;
+ __process_stack_base__ = .;
+ __main_thread_stack_base__ = .;
+ . += __process_stack_size__;
+ . = ALIGN(8);
+ __process_stack_end__ = .;
+ __main_thread_stack_end__ = .;
+ } > ram
+
+ .data : AT(__romdata_start__)
+ {
+ . = ALIGN(4);
+ __data_start__ = .;
+ *(.data)
+ *(.data.*)
+ *(.gnu.linkonce.d.*)
+ __sdata_start__ = . + 0x8000;
+ *(.sdata)
+ *(.sdata.*)
+ *(.gnu.linkonce.s.*)
+ __data_end__ = .;
+ } > ram
+
+ .sbss :
+ {
+ __bss_start__ = .;
+ *(.sbss)
+ *(.sbss.*)
+ *(.gnu.linkonce.sb.*)
+ *(.scommon)
+ } > ram
+
+ .bss :
+ {
+ *(.bss)
+ *(.bss.*)
+ *(.gnu.linkonce.b.*)
+ *(COMMON)
+ __bss_end__ = .;
+ } > ram
+
+ __heap_base__ = __bss_end__;
+ __heap_end__ = __ram_end__;
+}
diff --git a/os/common/ports/e200/compilers/GCC/rules_z4.ld b/os/common/ports/e200/compilers/GCC/rules_z4.ld
index ae4a1e693..68a1ad724 100644
--- a/os/common/ports/e200/compilers/GCC/rules_z4.ld
+++ b/os/common/ports/e200/compilers/GCC/rules_z4.ld
@@ -37,6 +37,7 @@ SECTIONS
{
KEEP(*(.handlers))
KEEP(*(.crt0))
+ /* The vectors table requires a 2kB alignment.*/
. = ALIGN(0x800);
KEEP(*(.vectors))
} > flash
diff --git a/os/common/ports/e200/devices/SPC560Pxx/boot.h b/os/common/ports/e200/devices/SPC560Pxx/boot.h
new file mode 100644
index 000000000..56bc4a565
--- /dev/null
+++ b/os/common/ports/e200/devices/SPC560Pxx/boot.h
@@ -0,0 +1,118 @@
+/*
+ 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 SPC560Pxx.
+ * @{
+ */
+
+#ifndef _BOOT_H_
+#define _BOOT_H_
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/**
+ * @name BUCSR registers definitions
+ * @{
+ */
+#define BUCSR_BPEN 0x00000001
+#define BUCSR_BALLOC_BFI 0x00000200
+/** @} */
+
+/**
+ * @name MSR register definitions
+ * @{
+ */
+#define MSR_WE 0x00040000
+#define MSR_CE 0x00020000
+#define MSR_EE 0x00008000
+#define MSR_PR 0x00004000
+#define MSR_ME 0x00001000
+#define MSR_DE 0x00000200
+#define MSR_IS 0x00000020
+#define MSR_DS 0x00000010
+#define MSR_RI 0x00000002
+/** @} */
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*
+ * BUCSR default settings.
+ */
+#if !defined(BOOT_BUCSR_DEFAULT) || defined(__DOXYGEN__)
+#define BOOT_BUCSR_DEFAULT (BUCSR_BPEN | BUCSR_BALLOC_BFI)
+#endif
+
+/*
+ * MSR default settings.
+ */
+#if !defined(BOOT_MSR_DEFAULT) || defined(__DOXYGEN__)
+#define BOOT_MSR_DEFAULT (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/SPC560Pxx/boot.s b/os/common/ports/e200/devices/SPC560Pxx/boot.s
new file mode 100644
index 000000000..bbeab7dcd
--- /dev/null
+++ b/os/common/ports/e200/devices/SPC560Pxx/boot.s
@@ -0,0 +1,214 @@
+/*
+ SPC5 HAL - Copyright (C) 2013 STMicroelectronics
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file SPC560Pxx/boot.s
+ * @brief SPC560Pxx boot-related code.
+ *
+ * @addtogroup PPC_BOOT
+ * @{
+ */
+
+#include "boot.h"
+
+#if !defined(__DOXYGEN__)
+
+ /* BAM record.*/
+ .section .boot, "ax"
+
+ .long 0x015A0000
+ .long _reset_address
+
+ .align 2
+ .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
+_coreinit:
+ /*
+ * RAM clearing, this device requires a write to all RAM location in
+ * order to initialize the ECC detection hardware, this is going to
+ * slow down the startup but there is no way around.
+ */
+ xor %r0, %r0, %r0
+ xor %r1, %r1, %r1
+ xor %r2, %r2, %r2
+ xor %r3, %r3, %r3
+ xor %r4, %r4, %r4
+ xor %r5, %r5, %r5
+ xor %r6, %r6, %r6
+ xor %r7, %r7, %r7
+ xor %r8, %r8, %r8
+ xor %r9, %r9, %r9
+ xor %r10, %r10, %r10
+ xor %r11, %r11, %r11
+ xor %r12, %r12, %r12
+ xor %r13, %r13, %r13
+ xor %r14, %r14, %r14
+ xor %r15, %r15, %r15
+ xor %r16, %r16, %r16
+ xor %r17, %r17, %r17
+ xor %r18, %r18, %r18
+ xor %r19, %r19, %r19
+ xor %r20, %r20, %r20
+ xor %r21, %r21, %r21
+ xor %r22, %r22, %r22
+ xor %r23, %r23, %r23
+ xor %r24, %r24, %r24
+ xor %r25, %r25, %r25
+ xor %r26, %r26, %r26
+ xor %r27, %r27, %r27
+ xor %r28, %r28, %r28
+ xor %r29, %r29, %r29
+ xor %r30, %r30, %r30
+ xor %r31, %r31, %r31
+ lis %r4, __ram_start__@h
+ ori %r4, %r4, __ram_start__@l
+ lis %r5, __ram_end__@h
+ ori %r5, %r5, __ram_end__@l
+.cleareccloop:
+ cmpl %cr0, %r4, %r5
+ bge %cr0, .cleareccend
+ stmw %r16, 0(%r4)
+ addi %r4, %r4, 64
+ b .cleareccloop
+.cleareccend:
+
+ /*
+ * Branch prediction enabled.
+ */
+ li %r3, BOOT_BUCSR_DEFAULT
+ mtspr 1013, %r3 /* BUCSR */
+
+ blr
+#endif /* BOOT_PERFORM_CORE_INIT */
+
+ /*
+ * Exception vectors initialization.
+ */
+ .align 2
+_ivinit:
+ /* MSR initialization.*/
+ lis %r3, BOOT_MSR_DEFAULT@h
+ ori %r3, %r3, BOOT_MSR_DEFAULT@l
+ mtMSR %r3
+
+ /* IVPR initialization.*/
+ lis %r3, __ivpr_base__@h
+ ori %r3, %r3, __ivpr_base__@l
+ mtIVPR %r3
+
+ blr
+
+ .section .ivors, "ax"
+
+ .globl IVORS
+IVORS:
+IVOR0: b IVOR0
+ .align 4
+IVOR1: b _IVOR1
+ .align 4
+IVOR2: b _IVOR2
+ .align 4
+IVOR3: b _IVOR3
+ .align 4
+IVOR4: b _IVOR4
+ .align 4
+IVOR5: b _IVOR5
+ .align 4
+IVOR6: b _IVOR6
+ .align 4
+IVOR7: b _IVOR7
+ .align 4
+IVOR8: b _IVOR8
+ .align 4
+IVOR9: b _IVOR9
+ .align 4
+IVOR10: b _IVOR10
+ .align 4
+IVOR11: b _IVOR11
+ .align 4
+IVOR12: b _IVOR12
+ .align 4
+IVOR13: b _IVOR13
+ .align 4
+IVOR14: b _IVOR14
+ .align 4
+IVOR15: b _IVOR15
+
+ .section .handlers, "ax"
+
+ /*
+ * Default IVOR handlers.
+ */
+ .align 2
+ .weak _IVOR0, _IVOR1, _IVOR2, _IVOR3, _IVOR4, _IVOR5
+ .weak _IVOR6, _IVOR7, _IVOR8, _IVOR9, _IVOR10, _IVOR11
+ .weak _IVOR12, _IVOR13, _IVOR14, _IVOR15
+ .weak _unhandled_exception
+_IVOR0:
+_IVOR1:
+_IVOR2:
+_IVOR3:
+_IVOR5:
+_IVOR6:
+_IVOR7:
+_IVOR8:
+_IVOR9:
+_IVOR11:
+_IVOR12:
+_IVOR13:
+_IVOR14:
+_IVOR15:
+_unhandled_exception:
+ b _unhandled_exception
+
+#endif /* !defined(__DOXYGEN__) */
+
+/** @} */
diff --git a/os/common/ports/e200/devices/SPC560Pxx/ppcparams.h b/os/common/ports/e200/devices/SPC560Pxx/ppcparams.h
new file mode 100644
index 000000000..83cc43a75
--- /dev/null
+++ b/os/common/ports/e200/devices/SPC560Pxx/ppcparams.h
@@ -0,0 +1,77 @@
+/*
+ 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 SPC560Pxx/ppcparams.h
+ * @brief PowerPC parameters for the SPC560Pxx.
+ *
+ * @defgroup PPC_SPC560Pxx SPC560Pxx Specific Parameters
+ * @ingroup PPC_SPECIFIC
+ * @details This file contains the PowerPC specific parameters for the
+ * SPC560Pxx platform.
+ * @{
+ */
+
+#ifndef _PPCPARAMS_H_
+#define _PPCPARAMS_H_
+
+/**
+ * @brief PPC core model.
+ */
+#define PPC_VARIANT PPC_VARIANT_e200z0
+
+/**
+ * @brief Number of writable bits in IVPR register.
+ */
+#define PPC_IVPR_BITS 20
+
+/**
+ * @brief IVORx registers support.
+ */
+#define PPC_SUPPORTS_IVORS FALSE
+
+/**
+ * @brief Book E instruction set support.
+ */
+#define PPC_SUPPORTS_BOOKE FALSE
+
+/**
+ * @brief VLE instruction set support.
+ */
+#define PPC_SUPPORTS_VLE TRUE
+
+/**
+ * @brief Supports VLS Load/Store Multiple Volatile instructions.
+ */
+#define PPC_SUPPORTS_VLE_MULTI TRUE
+
+/**
+ * @brief Supports the decrementer timer.
+ */
+#define PPC_SUPPORTS_DECREMENTER FALSE
+
+/**
+ * @brief Number of interrupt sources.
+ */
+#define PPC_NUM_VECTORS 261
+
+#endif /* _PPCPARAMS_H_ */
+
+/** @} */