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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-02-05 11:18:27 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-02-05 11:18:27 +0000 |
| commit | 4c937a2fed15001c7a201e035aad4749b7015c6e (patch) | |
| tree | 990ede4c2b10a18a7ccff6449f8915d90994bb7c /os/ports/GCC/PPC | |
| parent | 81d3f8b5e3ab6f67872540eebb3a05b87c710764 (diff) | |
| download | ChibiOS-4c937a2fed15001c7a201e035aad4749b7015c6e.tar.gz ChibiOS-4c937a2fed15001c7a201e035aad4749b7015c6e.tar.bz2 ChibiOS-4c937a2fed15001c7a201e035aad4749b7015c6e.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5113 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/ports/GCC/PPC')
| -rw-r--r-- | os/ports/GCC/PPC/SPC56ELxx/mmuconf.s | 169 |
1 files changed, 168 insertions, 1 deletions
diff --git a/os/ports/GCC/PPC/SPC56ELxx/mmuconf.s b/os/ports/GCC/PPC/SPC56ELxx/mmuconf.s index 0e36678eb..3d903e15e 100644 --- a/os/ports/GCC/PPC/SPC56ELxx/mmuconf.s +++ b/os/ports/GCC/PPC/SPC56ELxx/mmuconf.s @@ -26,7 +26,104 @@ * @{
*/
-#define MAS0L_VALID 0x8000
+/**
+ * @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 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_16M)
+#define TLB1_MAS2 (MAS2_EPN(0x20000000) | MAS2_VLE)
+#define TLB1_MAS3 (MAS3_RPN(0x20000000) | \
+ 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_128K)
+#define TLB2_MAS2 (MAS2_EPN(0x40000000) | MAS2_VLE | MAS2_I)
+#define TLB2_MAS3 (MAS3_RPN(0x40000000) | \
+ MAS3_UX | MAS3_SX | 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(0xC3F00000) | MAS2_I)
+#define TLB3_MAS3 (MAS3_RPN(0xC3F00000) | \
+ 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_2M)
+#define TLB4_MAS2 (MAS2_EPN(0xFFE00000) | MAS2_I)
+#define TLB4_MAS3 (MAS3_RPN(0xFFE00000) | \
+ MAS3_UW | MAS3_SW | MAS3_UR | MAS3_SR)
+/** @} */
#if !defined(__DOXYGEN__)
@@ -36,6 +133,76 @@ .globl _mmuconf
.type _mmuconf, @function
_mmuconf:
+ /* TLB0 allocated to flash.*/
+ e_lis r3, TLB0_MAS0@h
+ mtspr 624, r3 /* MAS0 */
+ e_lis r3, TLB0_MAS1@h
+ e_or2i r3, TLB0_MAS1@l
+ mtspr 625, r3 /* MAS1 */
+ e_lis r3, TLB0_MAS2@h
+ e_or2i r3, TLB0_MAS2@l
+ mtspr 626, r3 /* MAS2 */
+ e_lis r3, TLB0_MAS3@h
+ e_or2i r3, TLB0_MAS3@l
+ mtspr 627, r3 /* MAS3 */
+ tlbwe
+
+ /* TLB1 allocated to external RAM, if any.*/
+ e_lis r3, TLB1_MAS0@h
+ mtspr 624, r3 /* MAS0 */
+ e_lis r3, TLB1_MAS1@h
+ e_or2i r3, TLB1_MAS1@l
+ mtspr 625, r3 /* MAS1 */
+ e_lis r3, TLB1_MAS2@h
+ e_or2i r3, TLB1_MAS2@l
+ mtspr 626, r3 /* MAS2 */
+ e_lis r3, TLB1_MAS3@h
+ e_or2i r3, TLB1_MAS3@l
+ mtspr 627, r3 /* MAS3 */
+ tlbwe
+
+ /* TLB2 allocated to internal RAM.*/
+ e_lis r3, TLB2_MAS0@h
+ mtspr 624, r3 /* MAS0 */
+ e_lis r3, TLB2_MAS1@h
+ e_or2i r3, TLB2_MAS1@l
+ mtspr 625, r3 /* MAS1 */
+ e_lis r3, TLB2_MAS2@h
+ e_or2i r3, TLB2_MAS2@l
+ mtspr 626, r3 /* MAS2 */
+ e_lis r3, TLB2_MAS3@h
+ e_or2i r3, TLB2_MAS3@l
+ mtspr 627, r3 /* MAS3 */
+ tlbwe
+
+ /* TLB3 allocated to internal Peripherals Bridge A.*/
+ e_lis r3, TLB3_MAS0@h
+ mtspr 624, r3 /* MAS0 */
+ e_lis r3, TLB3_MAS1@h
+ e_or2i r3, TLB3_MAS1@l
+ mtspr 625, r3 /* MAS1 */
+ e_lis r3, TLB3_MAS2@h
+ e_or2i r3, TLB3_MAS2@l
+ mtspr 626, r3 /* MAS2 */
+ e_lis r3, TLB3_MAS3@h
+ e_or2i r3, TLB3_MAS3@l
+ mtspr 627, r3 /* MAS3 */
+ tlbwe
+
+ /* TLB4 allocated to internal Peripherals Bridge B.*/
+ e_lis r3, TLB4_MAS0@h
+ mtspr 624, r3 /* MAS0 */
+ e_lis r3, TLB4_MAS1@h
+ e_or2i r3, TLB4_MAS1@l
+ mtspr 625, r3 /* MAS1 */
+ e_lis r3, TLB4_MAS2@h
+ e_or2i r3, TLB4_MAS2@l
+ mtspr 626, r3 /* MAS2 */
+ e_lis r3, TLB4_MAS3@h
+ e_or2i r3, TLB4_MAS3@l
+ mtspr 627, r3 /* MAS3 */
+ tlbwe
+
blr
#endif /* !defined(__DOXYGEN__) */
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