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authorFelipe Contreras <felipe.contreras@gmail.com>2010-11-10 13:11:35 -0500
committerOmar Ramirez Luna <omar.ramirez@ti.com>2010-11-10 19:34:43 -0500
commit58c1ceb156df5a005f7fc9afc75064a2c1df4b65 (patch)
tree0637065ff695440b7087c0d0139cd32b0d181775 /drivers/staging
parentf5bd96bbe320b9fe1c8132a1633e8582cd9d6245 (diff)
Revert "staging: tidspbridge - remove hw directory"
This reverts commit 053fdb85f56e84bff64a65601be7f72608f016da. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>
Diffstat (limited to 'drivers/staging')
-rw-r--r--drivers/staging/tidspbridge/Makefile3
-rw-r--r--drivers/staging/tidspbridge/core/_tiomap.h1
-rw-r--r--drivers/staging/tidspbridge/core/io_sm.c4
-rw-r--r--drivers/staging/tidspbridge/core/tiomap3430.c4
-rw-r--r--drivers/staging/tidspbridge/core/tiomap3430_pwr.c4
-rw-r--r--drivers/staging/tidspbridge/core/tiomap_io.c2
-rw-r--r--drivers/staging/tidspbridge/hw/EasiGlobal.h41
-rw-r--r--drivers/staging/tidspbridge/hw/MMUAccInt.h76
-rw-r--r--drivers/staging/tidspbridge/hw/MMURegAcM.h225
-rw-r--r--drivers/staging/tidspbridge/hw/hw_defs.h58
-rw-r--r--drivers/staging/tidspbridge/hw/hw_mmu.c562
-rw-r--r--drivers/staging/tidspbridge/hw/hw_mmu.h163
-rw-r--r--drivers/staging/tidspbridge/include/dspbridge/dspioctl.h7
13 files changed, 1148 insertions, 2 deletions
diff --git a/drivers/staging/tidspbridge/Makefile b/drivers/staging/tidspbridge/Makefile
index 1a091faac04..41c644c3318 100644
--- a/drivers/staging/tidspbridge/Makefile
+++ b/drivers/staging/tidspbridge/Makefile
@@ -11,9 +11,10 @@ librmgr = rmgr/dbdcd.o rmgr/disp.o rmgr/drv.o rmgr/mgr.o rmgr/node.o \
11 rmgr/nldr.o rmgr/drv_interface.o 11 rmgr/nldr.o rmgr/drv_interface.o
12libdload = dynload/cload.o dynload/getsection.o dynload/reloc.o \ 12libdload = dynload/cload.o dynload/getsection.o dynload/reloc.o \
13 dynload/tramp.o 13 dynload/tramp.o
14libhw = hw/hw_mmu.o
14 15
15bridgedriver-y := $(libgen) $(libservices) $(libcore) $(libpmgr) $(librmgr) \ 16bridgedriver-y := $(libgen) $(libservices) $(libcore) $(libpmgr) $(librmgr) \
16 $(libdload) 17 $(libdload) $(libhw)
17 18
18#Machine dependent 19#Machine dependent
19ccflags-y += -D_TI_ -D_DB_TIOMAP -DTMS32060 \ 20ccflags-y += -D_TI_ -D_DB_TIOMAP -DTMS32060 \
diff --git a/drivers/staging/tidspbridge/core/_tiomap.h b/drivers/staging/tidspbridge/core/_tiomap.h
index cd7ff8810a0..394a64a7ba2 100644
--- a/drivers/staging/tidspbridge/core/_tiomap.h
+++ b/drivers/staging/tidspbridge/core/_tiomap.h
@@ -26,6 +26,7 @@
26#include <plat/iommu.h> 26#include <plat/iommu.h>
27#include <plat/iovmm.h> 27#include <plat/iovmm.h>
28#include <dspbridge/devdefs.h> 28#include <dspbridge/devdefs.h>
29#include <hw_defs.h>
29#include <dspbridge/dspioctl.h> /* for bridge_ioctl_extproc defn */ 30#include <dspbridge/dspioctl.h> /* for bridge_ioctl_extproc defn */
30#include <dspbridge/sync.h> 31#include <dspbridge/sync.h>
31#include <dspbridge/clk.h> 32#include <dspbridge/clk.h>
diff --git a/drivers/staging/tidspbridge/core/io_sm.c b/drivers/staging/tidspbridge/core/io_sm.c
index 194badaba0e..56856ad54fe 100644
--- a/drivers/staging/tidspbridge/core/io_sm.c
+++ b/drivers/staging/tidspbridge/core/io_sm.c
@@ -39,6 +39,10 @@
39#include <dspbridge/ntfy.h> 39#include <dspbridge/ntfy.h>
40#include <dspbridge/sync.h> 40#include <dspbridge/sync.h>
41 41
42/* Hardware Abstraction Layer */
43#include <hw_defs.h>
44#include <hw_mmu.h>
45
42/* Bridge Driver */ 46/* Bridge Driver */
43#include <dspbridge/dspdeh.h> 47#include <dspbridge/dspdeh.h>
44#include <dspbridge/dspio.h> 48#include <dspbridge/dspio.h>
diff --git a/drivers/staging/tidspbridge/core/tiomap3430.c b/drivers/staging/tidspbridge/core/tiomap3430.c
index 984a35a068e..b68050a969a 100644
--- a/drivers/staging/tidspbridge/core/tiomap3430.c
+++ b/drivers/staging/tidspbridge/core/tiomap3430.c
@@ -34,6 +34,10 @@
34#include <dspbridge/drv.h> 34#include <dspbridge/drv.h>
35#include <dspbridge/sync.h> 35#include <dspbridge/sync.h>
36 36
37/* ------------------------------------ Hardware Abstraction Layer */
38#include <hw_defs.h>
39#include <hw_mmu.h>
40
37/* ----------------------------------- Link Driver */ 41/* ----------------------------------- Link Driver */
38#include <dspbridge/dspdefs.h> 42#include <dspbridge/dspdefs.h>
39#include <dspbridge/dspchnl.h> 43#include <dspbridge/dspchnl.h>
diff --git a/drivers/staging/tidspbridge/core/tiomap3430_pwr.c b/drivers/staging/tidspbridge/core/tiomap3430_pwr.c
index b57a9fd5e75..fb9026e1403 100644
--- a/drivers/staging/tidspbridge/core/tiomap3430_pwr.c
+++ b/drivers/staging/tidspbridge/core/tiomap3430_pwr.c
@@ -31,6 +31,10 @@
31#include <dspbridge/dev.h> 31#include <dspbridge/dev.h>
32#include <dspbridge/iodefs.h> 32#include <dspbridge/iodefs.h>
33 33
34/* ------------------------------------ Hardware Abstraction Layer */
35#include <hw_defs.h>
36#include <hw_mmu.h>
37
34#include <dspbridge/pwr_sh.h> 38#include <dspbridge/pwr_sh.h>
35 39
36/* ----------------------------------- Bridge Driver */ 40/* ----------------------------------- Bridge Driver */
diff --git a/drivers/staging/tidspbridge/core/tiomap_io.c b/drivers/staging/tidspbridge/core/tiomap_io.c
index b526532fdd0..5ba67957735 100644
--- a/drivers/staging/tidspbridge/core/tiomap_io.c
+++ b/drivers/staging/tidspbridge/core/tiomap_io.c
@@ -143,7 +143,7 @@ int read_ext_dsp_data(struct bridge_dev_context *dev_ctxt,
143 ul_shm_base_virt - ul_tlb_base_virt; 143 ul_shm_base_virt - ul_tlb_base_virt;
144 ul_shm_offset_virt += 144 ul_shm_offset_virt +=
145 PG_ALIGN_HIGH(ul_ext_end - ul_dyn_ext_base + 145 PG_ALIGN_HIGH(ul_ext_end - ul_dyn_ext_base +
146 1, PAGE_SIZE * 16); 146 1, HW_PAGE_SIZE64KB);
147 dw_ext_prog_virt_mem -= ul_shm_offset_virt; 147 dw_ext_prog_virt_mem -= ul_shm_offset_virt;
148 dw_ext_prog_virt_mem += 148 dw_ext_prog_virt_mem +=
149 (ul_ext_base - ul_dyn_ext_base); 149 (ul_ext_base - ul_dyn_ext_base);
diff --git a/drivers/staging/tidspbridge/hw/EasiGlobal.h b/drivers/staging/tidspbridge/hw/EasiGlobal.h
new file mode 100644
index 00000000000..e48d7f67c60
--- /dev/null
+++ b/drivers/staging/tidspbridge/hw/EasiGlobal.h
@@ -0,0 +1,41 @@
1/*
2 * EasiGlobal.h
3 *
4 * DSP-BIOS Bridge driver support functions for TI OMAP processors.
5 *
6 * Copyright (C) 2007 Texas Instruments, Inc.
7 *
8 * This package is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
13 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
14 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
15 */
16
17#ifndef _EASIGLOBAL_H
18#define _EASIGLOBAL_H
19#include <linux/types.h>
20
21/*
22 * DEFINE: READ_ONLY, WRITE_ONLY & READ_WRITE
23 *
24 * DESCRIPTION: Defines used to describe register types for EASI-checker tests.
25 */
26
27#define READ_ONLY 1
28#define WRITE_ONLY 2
29#define READ_WRITE 3
30
31/*
32 * MACRO: _DEBUG_LEVEL1_EASI
33 *
34 * DESCRIPTION: A MACRO which can be used to indicate that a particular beach
35 * register access function was called.
36 *
37 * NOTE: We currently dont use this functionality.
38 */
39#define _DEBUG_LEVEL1_EASI(easi_num) ((void)0)
40
41#endif /* _EASIGLOBAL_H */
diff --git a/drivers/staging/tidspbridge/hw/MMUAccInt.h b/drivers/staging/tidspbridge/hw/MMUAccInt.h
new file mode 100644
index 00000000000..1cefca321d7
--- /dev/null
+++ b/drivers/staging/tidspbridge/hw/MMUAccInt.h
@@ -0,0 +1,76 @@
1/*
2 * MMUAccInt.h
3 *
4 * DSP-BIOS Bridge driver support functions for TI OMAP processors.
5 *
6 * Copyright (C) 2007 Texas Instruments, Inc.
7 *
8 * This package is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
13 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
14 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
15 */
16
17#ifndef _MMU_ACC_INT_H
18#define _MMU_ACC_INT_H
19
20/* Mappings of level 1 EASI function numbers to function names */
21
22#define EASIL1_MMUMMU_SYSCONFIG_READ_REGISTER32 (MMU_BASE_EASIL1 + 3)
23#define EASIL1_MMUMMU_SYSCONFIG_IDLE_MODE_WRITE32 (MMU_BASE_EASIL1 + 17)
24#define EASIL1_MMUMMU_SYSCONFIG_AUTO_IDLE_WRITE32 (MMU_BASE_EASIL1 + 39)
25#define EASIL1_MMUMMU_IRQSTATUS_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 51)
26#define EASIL1_MMUMMU_IRQENABLE_READ_REGISTER32 (MMU_BASE_EASIL1 + 102)
27#define EASIL1_MMUMMU_IRQENABLE_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 103)
28#define EASIL1_MMUMMU_WALKING_STTWL_RUNNING_READ32 (MMU_BASE_EASIL1 + 156)
29#define EASIL1_MMUMMU_CNTLTWL_ENABLE_READ32 (MMU_BASE_EASIL1 + 174)
30#define EASIL1_MMUMMU_CNTLTWL_ENABLE_WRITE32 (MMU_BASE_EASIL1 + 180)
31#define EASIL1_MMUMMU_CNTLMMU_ENABLE_WRITE32 (MMU_BASE_EASIL1 + 190)
32#define EASIL1_MMUMMU_FAULT_AD_READ_REGISTER32 (MMU_BASE_EASIL1 + 194)
33#define EASIL1_MMUMMU_TTB_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 198)
34#define EASIL1_MMUMMU_LOCK_READ_REGISTER32 (MMU_BASE_EASIL1 + 203)
35#define EASIL1_MMUMMU_LOCK_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 204)
36#define EASIL1_MMUMMU_LOCK_BASE_VALUE_READ32 (MMU_BASE_EASIL1 + 205)
37#define EASIL1_MMUMMU_LOCK_CURRENT_VICTIM_READ32 (MMU_BASE_EASIL1 + 209)
38#define EASIL1_MMUMMU_LOCK_CURRENT_VICTIM_WRITE32 (MMU_BASE_EASIL1 + 211)
39#define EASIL1_MMUMMU_LOCK_CURRENT_VICTIM_SET32 (MMU_BASE_EASIL1 + 212)
40#define EASIL1_MMUMMU_LD_TLB_READ_REGISTER32 (MMU_BASE_EASIL1 + 213)
41#define EASIL1_MMUMMU_LD_TLB_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 214)
42#define EASIL1_MMUMMU_CAM_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 226)
43#define EASIL1_MMUMMU_RAM_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 268)
44#define EASIL1_MMUMMU_FLUSH_ENTRY_WRITE_REGISTER32 (MMU_BASE_EASIL1 + 322)
45
46/* Register offset address definitions */
47#define MMU_MMU_SYSCONFIG_OFFSET 0x10
48#define MMU_MMU_IRQSTATUS_OFFSET 0x18
49#define MMU_MMU_IRQENABLE_OFFSET 0x1c
50#define MMU_MMU_WALKING_ST_OFFSET 0x40
51#define MMU_MMU_CNTL_OFFSET 0x44
52#define MMU_MMU_FAULT_AD_OFFSET 0x48
53#define MMU_MMU_TTB_OFFSET 0x4c
54#define MMU_MMU_LOCK_OFFSET 0x50
55#define MMU_MMU_LD_TLB_OFFSET 0x54
56#define MMU_MMU_CAM_OFFSET 0x58
57#define MMU_MMU_RAM_OFFSET 0x5c
58#define MMU_MMU_GFLUSH_OFFSET 0x60
59#define MMU_MMU_FLUSH_ENTRY_OFFSET 0x64
60/* Bitfield mask and offset declarations */
61#define MMU_MMU_SYSCONFIG_IDLE_MODE_MASK 0x18
62#define MMU_MMU_SYSCONFIG_IDLE_MODE_OFFSET 3
63#define MMU_MMU_SYSCONFIG_AUTO_IDLE_MASK 0x1
64#define MMU_MMU_SYSCONFIG_AUTO_IDLE_OFFSET 0
65#define MMU_MMU_WALKING_ST_TWL_RUNNING_MASK 0x1
66#define MMU_MMU_WALKING_ST_TWL_RUNNING_OFFSET 0
67#define MMU_MMU_CNTL_TWL_ENABLE_MASK 0x4
68#define MMU_MMU_CNTL_TWL_ENABLE_OFFSET 2
69#define MMU_MMU_CNTL_MMU_ENABLE_MASK 0x2
70#define MMU_MMU_CNTL_MMU_ENABLE_OFFSET 1
71#define MMU_MMU_LOCK_BASE_VALUE_MASK 0xfc00
72#define MMU_MMU_LOCK_BASE_VALUE_OFFSET 10
73#define MMU_MMU_LOCK_CURRENT_VICTIM_MASK 0x3f0
74#define MMU_MMU_LOCK_CURRENT_VICTIM_OFFSET 4
75
76#endif /* _MMU_ACC_INT_H */
diff --git a/drivers/staging/tidspbridge/hw/MMURegAcM.h b/drivers/staging/tidspbridge/hw/MMURegAcM.h
new file mode 100644
index 00000000000..ab1a16da731
--- /dev/null
+++ b/drivers/staging/tidspbridge/hw/MMURegAcM.h
@@ -0,0 +1,225 @@
1/*
2 * MMURegAcM.h
3 *
4 * DSP-BIOS Bridge driver support functions for TI OMAP processors.
5 *
6 * Copyright (C) 2007 Texas Instruments, Inc.
7 *
8 * This package is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
13 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
14 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
15 */
16
17#ifndef _MMU_REG_ACM_H
18#define _MMU_REG_ACM_H
19
20#include <linux/io.h>
21#include <EasiGlobal.h>
22
23#include "MMUAccInt.h"
24
25#if defined(USE_LEVEL_1_MACROS)
26
27#define MMUMMU_SYSCONFIG_READ_REGISTER32(base_address)\
28 (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_SYSCONFIG_READ_REGISTER32),\
29 __raw_readl((base_address)+MMU_MMU_SYSCONFIG_OFFSET))
30
31#define MMUMMU_SYSCONFIG_IDLE_MODE_WRITE32(base_address, value)\
32{\
33 const u32 offset = MMU_MMU_SYSCONFIG_OFFSET;\
34 register u32 data = __raw_readl((base_address)+offset);\
35 register u32 new_value = (value);\
36 _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_SYSCONFIG_IDLE_MODE_WRITE32);\
37 data &= ~(MMU_MMU_SYSCONFIG_IDLE_MODE_MASK);\
38 new_value <<= MMU_MMU_SYSCONFIG_IDLE_MODE_OFFSET;\
39 new_value &= MMU_MMU_SYSCONFIG_IDLE_MODE_MASK;\
40 new_value |= data;\
41 __raw_writel(new_value, base_address+offset);\
42}
43
44#define MMUMMU_SYSCONFIG_AUTO_IDLE_WRITE32(base_address, value)\
45{\
46 const u32 offset = MMU_MMU_SYSCONFIG_OFFSET;\
47 register u32 data = __raw_readl((base_address)+offset);\
48 register u32 new_value = (value);\
49 _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_SYSCONFIG_AUTO_IDLE_WRITE32);\
50 data &= ~(MMU_MMU_SYSCONFIG_AUTO_IDLE_MASK);\
51 new_value <<= MMU_MMU_SYSCONFIG_AUTO_IDLE_OFFSET;\
52 new_value &= MMU_MMU_SYSCONFIG_AUTO_IDLE_MASK;\
53 new_value |= data;\
54 __raw_writel(new_value, base_address+offset);\
55}
56
57#define MMUMMU_IRQSTATUS_READ_REGISTER32(base_address)\
58 (_DEBUG_LEVEL1_EASI(easil1_mmummu_irqstatus_read_register32),\
59 __raw_readl((base_address)+MMU_MMU_IRQSTATUS_OFFSET))
60
61#define MMUMMU_IRQSTATUS_WRITE_REGISTER32(base_address, value)\
62{\
63 const u32 offset = MMU_MMU_IRQSTATUS_OFFSET;\
64 register u32 new_value = (value);\
65 _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_IRQSTATUS_WRITE_REGISTER32);\
66 __raw_writel(new_value, (base_address)+offset);\
67}
68
69#define MMUMMU_IRQENABLE_READ_REGISTER32(base_address)\
70 (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_IRQENABLE_READ_REGISTER32),\
71 __raw_readl((base_address)+MMU_MMU_IRQENABLE_OFFSET))
72
73#define MMUMMU_IRQENABLE_WRITE_REGISTER32(base_address, value)\
74{\
75 const u32 offset = MMU_MMU_IRQENABLE_OFFSET;\
76 register u32 new_value = (value);\
77 _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_IRQENABLE_WRITE_REGISTER32);\
78 __raw_writel(new_value, (base_address)+offset);\
79}
80
81#define MMUMMU_WALKING_STTWL_RUNNING_READ32(base_address)\
82 (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_WALKING_STTWL_RUNNING_READ32),\
83 (((__raw_readl(((base_address)+(MMU_MMU_WALKING_ST_OFFSET))))\
84 & MMU_MMU_WALKING_ST_TWL_RUNNING_MASK) >>\
85 MMU_MMU_WALKING_ST_TWL_RUNNING_OFFSET))
86
87#define MMUMMU_CNTLTWL_ENABLE_READ32(base_address)\
88 (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_CNTLTWL_ENABLE_READ32),\
89 (((__raw_readl(((base_address)+(MMU_MMU_CNTL_OFFSET)))) &\
90 MMU_MMU_CNTL_TWL_ENABLE_MASK) >>\
91 MMU_MMU_CNTL_TWL_ENABLE_OFFSET))
92
93#define MMUMMU_CNTLTWL_ENABLE_WRITE32(base_address, value)\
94{\
95 const u32 offset = MMU_MMU_CNTL_OFFSET;\
96 register u32 data = __raw_readl((base_address)+offset);\
97 register u32 new_value = (value);\
98 _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_CNTLTWL_ENABLE_WRITE32);\
99 data &= ~(MMU_MMU_CNTL_TWL_ENABLE_MASK);\
100 new_value <<= MMU_MMU_CNTL_TWL_ENABLE_OFFSET;\
101 new_value &= MMU_MMU_CNTL_TWL_ENABLE_MASK;\
102 new_value |= data;\
103 __raw_writel(new_value, base_address+offset);\
104}
105
106#define MMUMMU_CNTLMMU_ENABLE_WRITE32(base_address, value)\
107{\
108 const u32 offset = MMU_MMU_CNTL_OFFSET;\
109 register u32 data = __raw_readl((base_address)+offset);\
110 register u32 new_value = (value);\
111 _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_CNTLMMU_ENABLE_WRITE32);\
112 data &= ~(MMU_MMU_CNTL_MMU_ENABLE_MASK);\
113 new_value <<= MMU_MMU_CNTL_MMU_ENABLE_OFFSET;\
114 new_value &= MMU_MMU_CNTL_MMU_ENABLE_MASK;\
115 new_value |= data;\
116 __raw_writel(new_value, base_address+offset);\
117}
118
119#define MMUMMU_FAULT_AD_READ_REGISTER32(base_address)\
120 (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_FAULT_AD_READ_REGISTER32),\
121 __raw_readl((base_address)+MMU_MMU_FAULT_AD_OFFSET))
122
123#define MMUMMU_TTB_WRITE_REGISTER32(base_address, value)\
124{\
125 const u32 offset = MMU_MMU_TTB_OFFSET;\
126 register u32 new_value = (value);\
127 _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_TTB_WRITE_REGISTER32);\
128 __raw_writel(new_value, (base_address)+offset);\
129}
130
131#define MMUMMU_LOCK_READ_REGISTER32(base_address)\
132 (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LOCK_READ_REGISTER32),\
133 __raw_readl((base_address)+MMU_MMU_LOCK_OFFSET))
134
135#define MMUMMU_LOCK_WRITE_REGISTER32(base_address, value)\
136{\
137 const u32 offset = MMU_MMU_LOCK_OFFSET;\
138 register u32 new_value = (value);\
139 _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LOCK_WRITE_REGISTER32);\
140 __raw_writel(new_value, (base_address)+offset);\
141}
142
143#define MMUMMU_LOCK_BASE_VALUE_READ32(base_address)\
144 (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LOCK_BASE_VALUE_READ32),\
145 (((__raw_readl(((base_address)+(MMU_MMU_LOCK_OFFSET)))) &\
146 MMU_MMU_LOCK_BASE_VALUE_MASK) >>\
147 MMU_MMU_LOCK_BASE_VALUE_OFFSET))
148
149#define MMUMMU_LOCK_BASE_VALUE_WRITE32(base_address, value)\
150{\
151 const u32 offset = MMU_MMU_LOCK_OFFSET;\
152 register u32 data = __raw_readl((base_address)+offset);\
153 register u32 new_value = (value);\
154 _DEBUG_LEVEL1_EASI(easil1_mmummu_lock_base_value_write32);\
155 data &= ~(MMU_MMU_LOCK_BASE_VALUE_MASK);\
156 new_value <<= MMU_MMU_LOCK_BASE_VALUE_OFFSET;\
157 new_value &= MMU_MMU_LOCK_BASE_VALUE_MASK;\
158 new_value |= data;\
159 __raw_writel(new_value, base_address+offset);\
160}
161
162#define MMUMMU_LOCK_CURRENT_VICTIM_READ32(base_address)\
163 (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LOCK_CURRENT_VICTIM_READ32),\
164 (((__raw_readl(((base_address)+(MMU_MMU_LOCK_OFFSET)))) &\
165 MMU_MMU_LOCK_CURRENT_VICTIM_MASK) >>\
166 MMU_MMU_LOCK_CURRENT_VICTIM_OFFSET))
167
168#define MMUMMU_LOCK_CURRENT_VICTIM_WRITE32(base_address, value)\
169{\
170 const u32 offset = MMU_MMU_LOCK_OFFSET;\
171 register u32 data = __raw_readl((base_address)+offset);\
172 register u32 new_value = (value);\
173 _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LOCK_CURRENT_VICTIM_WRITE32);\
174 data &= ~(MMU_MMU_LOCK_CURRENT_VICTIM_MASK);\
175 new_value <<= MMU_MMU_LOCK_CURRENT_VICTIM_OFFSET;\
176 new_value &= MMU_MMU_LOCK_CURRENT_VICTIM_MASK;\
177 new_value |= data;\
178 __raw_writel(new_value, base_address+offset);\
179}
180
181#define MMUMMU_LOCK_CURRENT_VICTIM_SET32(var, value)\
182 (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LOCK_CURRENT_VICTIM_SET32),\
183 (((var) & ~(MMU_MMU_LOCK_CURRENT_VICTIM_MASK)) |\
184 (((value) << MMU_MMU_LOCK_CURRENT_VICTIM_OFFSET) &\
185 MMU_MMU_LOCK_CURRENT_VICTIM_MASK)))
186
187#define MMUMMU_LD_TLB_READ_REGISTER32(base_address)\
188 (_DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LD_TLB_READ_REGISTER32),\
189 __raw_readl((base_address)+MMU_MMU_LD_TLB_OFFSET))
190
191#define MMUMMU_LD_TLB_WRITE_REGISTER32(base_address, value)\
192{\
193 const u32 offset = MMU_MMU_LD_TLB_OFFSET;\
194 register u32 new_value = (value);\
195 _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_LD_TLB_WRITE_REGISTER32);\
196 __raw_writel(new_value, (base_address)+offset);\
197}
198
199#define MMUMMU_CAM_WRITE_REGISTER32(base_address, value)\
200{\
201 const u32 offset = MMU_MMU_CAM_OFFSET;\
202 register u32 new_value = (value);\
203 _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_CAM_WRITE_REGISTER32);\
204 __raw_writel(new_value, (base_address)+offset);\
205}
206
207#define MMUMMU_RAM_WRITE_REGISTER32(base_address, value)\
208{\
209 const u32 offset = MMU_MMU_RAM_OFFSET;\
210 register u32 new_value = (value);\
211 _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_RAM_WRITE_REGISTER32);\
212 __raw_writel(new_value, (base_address)+offset);\
213}
214
215#define MMUMMU_FLUSH_ENTRY_WRITE_REGISTER32(base_address, value)\
216{\
217 const u32 offset = MMU_MMU_FLUSH_ENTRY_OFFSET;\
218 register u32 new_value = (value);\
219 _DEBUG_LEVEL1_EASI(EASIL1_MMUMMU_FLUSH_ENTRY_WRITE_REGISTER32);\
220 __raw_writel(new_value, (base_address)+offset);\
221}
222
223#endif /* USE_LEVEL_1_MACROS */
224
225#endif /* _MMU_REG_ACM_H */
diff --git a/drivers/staging/tidspbridge/hw/hw_defs.h b/drivers/staging/tidspbridge/hw/hw_defs.h
new file mode 100644
index 00000000000..d5266d4c163
--- /dev/null
+++ b/drivers/staging/tidspbridge/hw/hw_defs.h
@@ -0,0 +1,58 @@
1/*
2 * hw_defs.h
3 *
4 * DSP-BIOS Bridge driver support functions for TI OMAP processors.
5 *
6 * Global HW definitions
7 *
8 * Copyright (C) 2007 Texas Instruments, Inc.
9 *
10 * This package is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 *
14 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
16 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
17 */
18
19#ifndef _HW_DEFS_H
20#define _HW_DEFS_H
21
22/* Page size */
23#define HW_PAGE_SIZE4KB 0x1000
24#define HW_PAGE_SIZE64KB 0x10000
25#define HW_PAGE_SIZE1MB 0x100000
26#define HW_PAGE_SIZE16MB 0x1000000
27
28/* hw_status: return type for HW API */
29typedef long hw_status;
30
31/* Macro used to set and clear any bit */
32#define HW_CLEAR 0
33#define HW_SET 1
34
35/* hw_endianism_t: Enumerated Type used to specify the endianism
36 * Do NOT change these values. They are used as bit fields. */
37enum hw_endianism_t {
38 HW_LITTLE_ENDIAN,
39 HW_BIG_ENDIAN
40};
41
42/* hw_element_size_t: Enumerated Type used to specify the element size
43 * Do NOT change these values. They are used as bit fields. */
44enum hw_element_size_t {
45 HW_ELEM_SIZE8BIT,
46 HW_ELEM_SIZE16BIT,
47 HW_ELEM_SIZE32BIT,
48 HW_ELEM_SIZE64BIT
49};
50
51/* hw_idle_mode_t: Enumerated Type used to specify Idle modes */
52enum hw_idle_mode_t {
53 HW_FORCE_IDLE,
54 HW_NO_IDLE,
55 HW_SMART_IDLE
56};
57
58#endif /* _HW_DEFS_H */
diff --git a/drivers/staging/tidspbridge/hw/hw_mmu.c b/drivers/staging/tidspbridge/hw/hw_mmu.c
new file mode 100644
index 00000000000..014f5d5293a
--- /dev/null
+++ b/drivers/staging/tidspbridge/hw/hw_mmu.c
@@ -0,0 +1,562 @@
1/*
2 * hw_mmu.c
3 *
4 * DSP-BIOS Bridge driver support functions for TI OMAP processors.
5 *
6 * API definitions to setup MMU TLB and PTE
7 *
8 * Copyright (C) 2007 Texas Instruments, Inc.
9 *
10 * This package is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 *
14 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
16 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
17 */
18
19#include <linux/io.h>
20#include "MMURegAcM.h"
21#include <hw_defs.h>
22#include <hw_mmu.h>
23#include <linux/types.h>
24#include <linux/err.h>
25
26#define MMU_BASE_VAL_MASK 0xFC00
27#define MMU_PAGE_MAX 3
28#define MMU_ELEMENTSIZE_MAX 3
29#define MMU_ADDR_MASK 0xFFFFF000
30#define MMU_TTB_MASK 0xFFFFC000
31#define MMU_SECTION_ADDR_MASK 0xFFF00000
32#define MMU_SSECTION_ADDR_MASK 0xFF000000
33#define MMU_PAGE_TABLE_MASK 0xFFFFFC00
34#define MMU_LARGE_PAGE_MASK 0xFFFF0000
35#define MMU_SMALL_PAGE_MASK 0xFFFFF000
36
37#define MMU_LOAD_TLB 0x00000001
38#define MMU_GFLUSH 0x60
39
40/*
41 * hw_mmu_page_size_t: Enumerated Type used to specify the MMU Page Size(SLSS)
42 */
43enum hw_mmu_page_size_t {
44 HW_MMU_SECTION,
45 HW_MMU_LARGE_PAGE,
46 HW_MMU_SMALL_PAGE,
47 HW_MMU_SUPERSECTION
48};
49
50/*
51 * FUNCTION : mmu_flush_entry
52 *
53 * INPUTS:
54 *
55 * Identifier : base_address
56 * Type : const u32
57 * Description : Base Address of instance of MMU module
58 *
59 * RETURNS:
60 *
61 * Type : hw_status
62 * Description : 0 -- No errors occured
63 * RET_BAD_NULL_PARAM -- A Pointer
64 * Paramater was set to NULL
65 *
66 * PURPOSE: : Flush the TLB entry pointed by the
67 * lock counter register
68 * even if this entry is set protected
69 *
70 * METHOD: : Check the Input parameter and Flush a
71 * single entry in the TLB.
72 */
73static hw_status mmu_flush_entry(const void __iomem *base_address);
74
75/*
76 * FUNCTION : mmu_set_cam_entry
77 *
78 * INPUTS:
79 *
80 * Identifier : base_address
81 * TypE : const u32
82 * Description : Base Address of instance of MMU module
83 *
84 * Identifier : page_sz
85 * TypE : const u32
86 * Description : It indicates the page size
87 *
88 * Identifier : preserved_bit
89 * Type : const u32
90 * Description : It indicates the TLB entry is preserved entry
91 * or not
92 *
93 * Identifier : valid_bit
94 * Type : const u32
95 * Description : It indicates the TLB entry is valid entry or not
96 *
97 *
98 * Identifier : virtual_addr_tag
99 * Type : const u32
100 * Description : virtual Address
101 *
102 * RETURNS:
103 *
104 * Type : hw_status
105 * Description : 0 -- No errors occured
106 * RET_BAD_NULL_PARAM -- A Pointer Paramater
107 * was set to NULL
108 * RET_PARAM_OUT_OF_RANGE -- Input Parameter out
109 * of Range
110 *
111 * PURPOSE: : Set MMU_CAM reg
112 *
113 * METHOD: : Check the Input parameters and set the CAM entry.
114 */
115static hw_status mmu_set_cam_entry(const void __iomem *base_address,
116 const u32 page_sz,
117 const u32 preserved_bit,
118 const u32 valid_bit,
119 const u32 virtual_addr_tag);
120
121/*
122 * FUNCTION : mmu_set_ram_entry
123 *
124 * INPUTS:
125 *
126 * Identifier : base_address
127 * Type : const u32
128 * Description : Base Address of instance of MMU module
129 *
130 * Identifier : physical_addr
131 * Type : const u32
132 * Description : Physical Address to which the corresponding
133 * virtual Address shouldpoint
134 *
135 * Identifier : endianism
136 * Type : hw_endianism_t
137 * Description : endianism for the given page
138 *
139 * Identifier : element_size
140 * Type : hw_element_size_t
141 * Description : The element size ( 8,16, 32 or 64 bit)
142 *
143 * Identifier : mixed_size
144 * Type : hw_mmu_mixed_size_t
145 * Description : Element Size to follow CPU or TLB
146 *
147 * RETURNS:
148 *
149 * Type : hw_status
150 * Description : 0 -- No errors occured
151 * RET_BAD_NULL_PARAM -- A Pointer Paramater
152 * was set to NULL
153 * RET_PARAM_OUT_OF_RANGE -- Input Parameter
154 * out of Range
155 *
156 * PURPOSE: : Set MMU_CAM reg
157 *
158 * METHOD: : Check the Input parameters and set the RAM entry.
159 */
160static hw_status mmu_set_ram_entry(const void __iomem *base_address,
161 const u32 physical_addr,
162 enum hw_endianism_t endianism,
163 enum hw_element_size_t element_size,
164 enum hw_mmu_mixed_size_t mixed_size);
165
166/* HW FUNCTIONS */
167
168hw_status hw_mmu_enable(const void __iomem *base_address)
169{
170 hw_status status = 0;
171
172 MMUMMU_CNTLMMU_ENABLE_WRITE32(base_address, HW_SET);
173
174 return status;
175}
176
177hw_status hw_mmu_disable(const void __iomem *base_address)
178{
179 hw_status status = 0;
180
181 MMUMMU_CNTLMMU_ENABLE_WRITE32(base_address, HW_CLEAR);
182
183 return status;
184}
185
186hw_status hw_mmu_num_locked_set(const void __iomem *base_address,
187 u32 num_locked_entries)
188{
189 hw_status status = 0;
190
191 MMUMMU_LOCK_BASE_VALUE_WRITE32(base_address, num_locked_entries);
192
193 return status;
194}
195
196hw_status hw_mmu_victim_num_set(const void __iomem *base_address,
197 u32 victim_entry_num)
198{
199 hw_status status = 0;
200
201 MMUMMU_LOCK_CURRENT_VICTIM_WRITE32(base_address, victim_entry_num);
202
203 return status;
204}
205
206hw_status hw_mmu_event_ack(const void __iomem *base_address, u32 irq_mask)
207{
208 hw_status status = 0;
209
210 MMUMMU_IRQSTATUS_WRITE_REGISTER32(base_address, irq_mask);
211
212 return status;
213}
214
215hw_status hw_mmu_event_disable(const void __iomem *base_address, u32 irq_mask)
216{
217 hw_status status = 0;
218 u32 irq_reg;
219
220 irq_reg = MMUMMU_IRQENABLE_READ_REGISTER32(base_address);
221
222 MMUMMU_IRQENABLE_WRITE_REGISTER32(base_address, irq_reg & ~irq_mask);
223
224 return status;
225}
226
227hw_status hw_mmu_event_enable(const void __iomem *base_address, u32 irq_mask)
228{
229 hw_status status = 0;
230 u32 irq_reg;
231
232 irq_reg = MMUMMU_IRQENABLE_READ_REGISTER32(base_address);
233
234 MMUMMU_IRQENABLE_WRITE_REGISTER32(base_address, irq_reg | irq_mask);
235
236 return status;
237}
238
239hw_status hw_mmu_event_status(const void __iomem *base_address, u32 *irq_mask)
240{
241 hw_status status = 0;
242
243 *irq_mask = MMUMMU_IRQSTATUS_READ_REGISTER32(base_address);
244
245 return status;
246}
247
248hw_status hw_mmu_fault_addr_read(const void __iomem *base_address, u32 *addr)
249{
250 hw_status status = 0;
251
252 /* read values from register */
253 *addr = MMUMMU_FAULT_AD_READ_REGISTER32(base_address);
254
255 return status;
256}
257
258hw_status hw_mmu_ttb_set(const void __iomem *base_address, u32 ttb_phys_addr)
259{
260 hw_status status = 0;
261 u32 load_ttb;
262
263 load_ttb = ttb_phys_addr & ~0x7FUL;
264 /* write values to register */
265 MMUMMU_TTB_WRITE_REGISTER32(base_address, load_ttb);
266
267 return status;
268}
269
270hw_status hw_mmu_twl_enable(const void __iomem *base_address)
271{
272 hw_status status = 0;
273
274 MMUMMU_CNTLTWL_ENABLE_WRITE32(base_address, HW_SET);
275
276 return status;
277}
278
279hw_status hw_mmu_twl_disable(const void __iomem *base_address)
280{
281 hw_status status = 0;
282
283 MMUMMU_CNTLTWL_ENABLE_WRITE32(base_address, HW_CLEAR);
284
285 return status;
286}
287
288hw_status hw_mmu_tlb_flush(const void __iomem *base_address, u32 virtual_addr,
289 u32 page_sz)
290{
291 hw_status status = 0;
292 u32 virtual_addr_tag;
293 enum hw_mmu_page_size_t pg_size_bits;
294
295 switch (page_sz) {
296 case HW_PAGE_SIZE4KB:
297 pg_size_bits = HW_MMU_SMALL_PAGE;
298 break;
299
300 case HW_PAGE_SIZE64KB:
301 pg_size_bits = HW_MMU_LARGE_PAGE;
302 break;
303
304 case HW_PAGE_SIZE1MB:
305 pg_size_bits = HW_MMU_SECTION;
306 break;
307
308 case HW_PAGE_SIZE16MB:
309 pg_size_bits = HW_MMU_SUPERSECTION;
310 break;
311
312 default:
313 return -EINVAL;
314 }
315
316 /* Generate the 20-bit tag from virtual address */
317 virtual_addr_tag = ((virtual_addr & MMU_ADDR_MASK) >> 12);
318
319 mmu_set_cam_entry(base_address, pg_size_bits, 0, 0, virtual_addr_tag);
320
321 mmu_flush_entry(base_address);
322
323 return status;
324}
325
326hw_status hw_mmu_tlb_add(const void __iomem *base_address,
327 u32 physical_addr,
328 u32 virtual_addr,
329 u32 page_sz,
330 u32 entry_num,
331 struct hw_mmu_map_attrs_t *map_attrs,
332 s8 preserved_bit, s8 valid_bit)
333{
334 hw_status status = 0;
335 u32 lock_reg;
336 u32 virtual_addr_tag;
337 enum hw_mmu_page_size_t mmu_pg_size;
338
339 /*Check the input Parameters */
340 switch (page_sz) {
341 case HW_PAGE_SIZE4KB:
342 mmu_pg_size = HW_MMU_SMALL_PAGE;
343 break;
344
345 case HW_PAGE_SIZE64KB:
346 mmu_pg_size = HW_MMU_LARGE_PAGE;
347 break;
348
349 case HW_PAGE_SIZE1MB:
350 mmu_pg_size = HW_MMU_SECTION;
351 break;
352
353 case HW_PAGE_SIZE16MB:
354 mmu_pg_size = HW_MMU_SUPERSECTION;
355 break;
356
357 default:
358 return -EINVAL;
359 }
360
361 lock_reg = MMUMMU_LOCK_READ_REGISTER32(base_address);
362
363 /* Generate the 20-bit tag from virtual address */
364 virtual_addr_tag = ((virtual_addr & MMU_ADDR_MASK) >> 12);
365
366 /* Write the fields in the CAM Entry Register */
367 mmu_set_cam_entry(base_address, mmu_pg_size, preserved_bit, valid_bit,
368 virtual_addr_tag);
369
370 /* Write the different fields of the RAM Entry Register */
371 /* endianism of the page,Element Size of the page (8, 16, 32, 64 bit) */
372 mmu_set_ram_entry(base_address, physical_addr, map_attrs->endianism,
373 map_attrs->element_size, map_attrs->mixed_size);
374
375 /* Update the MMU Lock Register */
376 /* currentVictim between lockedBaseValue and (MMU_Entries_Number - 1) */
377 MMUMMU_LOCK_CURRENT_VICTIM_WRITE32(base_address, entry_num);
378
379 /* Enable loading of an entry in TLB by writing 1
380 into LD_TLB_REG register */
381 MMUMMU_LD_TLB_WRITE_REGISTER32(base_address, MMU_LOAD_TLB);
382
383 MMUMMU_LOCK_WRITE_REGISTER32(base_address, lock_reg);
384
385 return status;
386}
387
388hw_status hw_mmu_pte_set(const u32 pg_tbl_va,
389 u32 physical_addr,
390 u32 virtual_addr,
391 u32 page_sz, struct hw_mmu_map_attrs_t *map_attrs)
392{
393 hw_status status = 0;
394 u32 pte_addr, pte_val;
395 s32 num_entries = 1;
396
397 switch (page_sz) {
398 case HW_PAGE_SIZE4KB:
399 pte_addr = hw_mmu_pte_addr_l2(pg_tbl_va,
400 virtual_addr &
401 MMU_SMALL_PAGE_MASK);
402 pte_val =
403 ((physical_addr & MMU_SMALL_PAGE_MASK) |
404 (map_attrs->endianism << 9) | (map_attrs->
405 element_size << 4) |
406 (map_attrs->mixed_size << 11) | 2);
407 break;
408
409 case HW_PAGE_SIZE64KB:
410 num_entries = 16;
411 pte_addr = hw_mmu_pte_addr_l2(pg_tbl_va,
412 virtual_addr &
413 MMU_LARGE_PAGE_MASK);
414 pte_val =
415 ((physical_addr & MMU_LARGE_PAGE_MASK) |
416 (map_attrs->endianism << 9) | (map_attrs->
417 element_size << 4) |
418 (map_attrs->mixed_size << 11) | 1);
419 break;
420
421 case HW_PAGE_SIZE1MB:
422 pte_addr = hw_mmu_pte_addr_l1(pg_tbl_va,
423 virtual_addr &
424 MMU_SECTION_ADDR_MASK);
425 pte_val =
426 ((((physical_addr & MMU_SECTION_ADDR_MASK) |
427 (map_attrs->endianism << 15) | (map_attrs->
428 element_size << 10) |
429 (map_attrs->mixed_size << 17)) & ~0x40000) | 0x2);
430 break;
431
432 case HW_PAGE_SIZE16MB:
433 num_entries = 16;
434 pte_addr = hw_mmu_pte_addr_l1(pg_tbl_va,
435 virtual_addr &
436 MMU_SSECTION_ADDR_MASK);
437 pte_val =
438 (((physical_addr & MMU_SSECTION_ADDR_MASK) |
439 (map_attrs->endianism << 15) | (map_attrs->
440 element_size << 10) |
441 (map_attrs->mixed_size << 17)
442 ) | 0x40000 | 0x2);
443 break;
444
445 case HW_MMU_COARSE_PAGE_SIZE:
446 pte_addr = hw_mmu_pte_addr_l1(pg_tbl_va,
447 virtual_addr &
448 MMU_SECTION_ADDR_MASK);
449 pte_val = (physical_addr & MMU_PAGE_TABLE_MASK) | 1;
450 break;
451
452 default:
453 return -EINVAL;
454 }
455
456 while (--num_entries >= 0)
457 ((u32 *) pte_addr)[num_entries] = pte_val;
458
459 return status;
460}
461
462hw_status hw_mmu_pte_clear(const u32 pg_tbl_va, u32 virtual_addr, u32 page_size)
463{
464 hw_status status = 0;
465 u32 pte_addr;
466 s32 num_entries = 1;
467
468 switch (page_size) {
469 case HW_PAGE_SIZE4KB:
470 pte_addr = hw_mmu_pte_addr_l2(pg_tbl_va,
471 virtual_addr &
472 MMU_SMALL_PAGE_MASK);
473 break;
474
475 case HW_PAGE_SIZE64KB:
476 num_entries = 16;
477 pte_addr = hw_mmu_pte_addr_l2(pg_tbl_va,
478 virtual_addr &
479 MMU_LARGE_PAGE_MASK);
480 break;
481
482 case HW_PAGE_SIZE1MB:
483 case HW_MMU_COARSE_PAGE_SIZE:
484 pte_addr = hw_mmu_pte_addr_l1(pg_tbl_va,
485 virtual_addr &
486 MMU_SECTION_ADDR_MASK);
487 break;
488
489 case HW_PAGE_SIZE16MB:
490 num_entries = 16;
491 pte_addr = hw_mmu_pte_addr_l1(pg_tbl_va,
492 virtual_addr &
493 MMU_SSECTION_ADDR_MASK);
494 break;
495
496 default:
497 return -EINVAL;
498 }
499
500 while (--num_entries >= 0)
501 ((u32 *) pte_addr)[num_entries] = 0;
502
503 return status;
504}
505
506/* mmu_flush_entry */
507static hw_status mmu_flush_entry(const void __iomem *base_address)
508{
509 hw_status status = 0;
510 u32 flush_entry_data = 0x1;
511
512 /* write values to register */
513 MMUMMU_FLUSH_ENTRY_WRITE_REGISTER32(base_address, flush_entry_data);
514
515 return status;
516}
517
518/* mmu_set_cam_entry */
519static hw_status mmu_set_cam_entry(const void __iomem *base_address,
520 const u32 page_sz,
521 const u32 preserved_bit,
522 const u32 valid_bit,
523 const u32 virtual_addr_tag)
524{
525 hw_status status = 0;
526 u32 mmu_cam_reg;
527
528 mmu_cam_reg = (virtual_addr_tag << 12);
529 mmu_cam_reg = (mmu_cam_reg) | (page_sz) | (valid_bit << 2) |
530 (preserved_bit << 3);
531
532 /* write values to register */
533 MMUMMU_CAM_WRITE_REGISTER32(base_address, mmu_cam_reg);
534
535 return status;
536}
537
538/* mmu_set_ram_entry */
539static hw_status mmu_set_ram_entry(const void __iomem *base_address,
540 const u32 physical_addr,
541 enum hw_endianism_t endianism,
542 enum hw_element_size_t element_size,
543 enum hw_mmu_mixed_size_t mixed_size)
544{
545 hw_status status = 0;
546 u32 mmu_ram_reg;
547
548 mmu_ram_reg = (physical_addr & MMU_ADDR_MASK);
549 mmu_ram_reg = (mmu_ram_reg) | ((endianism << 9) | (element_size << 7) |
550 (mixed_size << 6));
551
552 /* write values to register */
553 MMUMMU_RAM_WRITE_REGISTER32(base_address, mmu_ram_reg);
554
555 return status;
556
557}
558
559void hw_mmu_tlb_flush_all(const void __iomem *base)
560{
561 __raw_writeb(1, base + MMU_GFLUSH);
562}
diff --git a/drivers/staging/tidspbridge/hw/hw_mmu.h b/drivers/staging/tidspbridge/hw/hw_mmu.h
new file mode 100644
index 00000000000..1458a2c6027
--- /dev/null
+++ b/drivers/staging/tidspbridge/hw/hw_mmu.h
@@ -0,0 +1,163 @@
1/*
2 * hw_mmu.h
3 *
4 * DSP-BIOS Bridge driver support functions for TI OMAP processors.
5 *
6 * MMU types and API declarations
7 *
8 * Copyright (C) 2007 Texas Instruments, Inc.
9 *
10 * This package is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 *
14 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
16 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
17 */
18
19#ifndef _HW_MMU_H
20#define _HW_MMU_H
21
22#include <linux/types.h>
23
24/* Bitmasks for interrupt sources */
25#define HW_MMU_TRANSLATION_FAULT 0x2
26#define HW_MMU_ALL_INTERRUPTS 0x1F
27
28#define HW_MMU_COARSE_PAGE_SIZE 0x400
29
30/* hw_mmu_mixed_size_t: Enumerated Type used to specify whether to follow
31 CPU/TLB Element size */
32enum hw_mmu_mixed_size_t {
33 HW_MMU_TLBES,
34 HW_MMU_CPUES
35};
36
37/* hw_mmu_map_attrs_t: Struct containing MMU mapping attributes */
38struct hw_mmu_map_attrs_t {
39 enum hw_endianism_t endianism;
40 enum hw_element_size_t element_size;
41 enum hw_mmu_mixed_size_t mixed_size;
42 bool donotlockmpupage;
43};
44
45extern hw_status hw_mmu_enable(const void __iomem *base_address);
46
47extern hw_status hw_mmu_disable(const void __iomem *base_address);
48
49extern hw_status hw_mmu_num_locked_set(const void __iomem *base_address,
50 u32 num_locked_entries);
51
52extern hw_status hw_mmu_victim_num_set(const void __iomem *base_address,
53 u32 victim_entry_num);
54
55/* For MMU faults */
56extern hw_status hw_mmu_event_ack(const void __iomem *base_address,
57 u32 irq_mask);
58
59extern hw_status hw_mmu_event_disable(const void __iomem *base_address,
60 u32 irq_mask);
61
62extern hw_status hw_mmu_event_enable(const void __iomem *base_address,
63 u32 irq_mask);
64
65extern hw_status hw_mmu_event_status(const void __iomem *base_address,
66 u32 *irq_mask);
67
68extern hw_status hw_mmu_fault_addr_read(const void __iomem *base_address,
69 u32 *addr);
70
71/* Set the TT base address */
72extern hw_status hw_mmu_ttb_set(const void __iomem *base_address,
73 u32 ttb_phys_addr);
74
75extern hw_status hw_mmu_twl_enable(const void __iomem *base_address);
76
77extern hw_status hw_mmu_twl_disable(const void __iomem *base_address);
78
79extern hw_status hw_mmu_tlb_flush(const void __iomem *base_address,
80 u32 virtual_addr, u32 page_sz);
81
82extern hw_status hw_mmu_tlb_add(const void __iomem *base_address,
83 u32 physical_addr,
84 u32 virtual_addr,
85 u32 page_sz,
86 u32 entry_num,
87 struct hw_mmu_map_attrs_t *map_attrs,
88 s8 preserved_bit, s8 valid_bit);
89
90/* For PTEs */
91extern hw_status hw_mmu_pte_set(const u32 pg_tbl_va,
92 u32 physical_addr,
93 u32 virtual_addr,
94 u32 page_sz,
95 struct hw_mmu_map_attrs_t *map_attrs);
96
97extern hw_status hw_mmu_pte_clear(const u32 pg_tbl_va,
98 u32 virtual_addr, u32 page_size);
99
100void hw_mmu_tlb_flush_all(const void __iomem *base);
101
102static inline u32 hw_mmu_pte_addr_l1(u32 l1_base, u32 va)
103{
104 u32 pte_addr;
105 u32 va31_to20;
106
107 va31_to20 = va >> (20 - 2); /* Left-shift by 2 here itself */
108 va31_to20 &= 0xFFFFFFFCUL;
109 pte_addr = l1_base + va31_to20;
110
111 return pte_addr;
112}
113
114static inline u32 hw_mmu_pte_addr_l2(u32 l2_base, u32 va)
115{
116 u32 pte_addr;
117
118 pte_addr = (l2_base & 0xFFFFFC00) | ((va >> 10) & 0x3FC);
119
120 return pte_addr;
121}
122
123static inline u32 hw_mmu_pte_coarse_l1(u32 pte_val)
124{
125 u32 pte_coarse;
126
127 pte_coarse = pte_val & 0xFFFFFC00;
128
129 return pte_coarse;
130}
131
132static inline u32 hw_mmu_pte_size_l1(u32 pte_val)
133{
134 u32 pte_size = 0;
135
136 if ((pte_val & 0x3) == 0x1) {
137 /* Points to L2 PT */
138 pte_size = HW_MMU_COARSE_PAGE_SIZE;
139 }
140
141 if ((pte_val & 0x3) == 0x2) {
142 if (pte_val & (1 << 18))
143 pte_size = HW_PAGE_SIZE16MB;
144 else
145 pte_size = HW_PAGE_SIZE1MB;
146 }
147
148 return pte_size;
149}
150
151static inline u32 hw_mmu_pte_size_l2(u32 pte_val)
152{
153 u32 pte_size = 0;
154
155 if (pte_val & 0x2)
156 pte_size = HW_PAGE_SIZE4KB;
157 else if (pte_val & 0x1)
158 pte_size = HW_PAGE_SIZE64KB;
159
160 return pte_size;
161}
162
163#endif /* _HW_MMU_H */
diff --git a/drivers/staging/tidspbridge/include/dspbridge/dspioctl.h b/drivers/staging/tidspbridge/include/dspbridge/dspioctl.h
index bad180108ad..41e0594dff3 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/dspioctl.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/dspioctl.h
@@ -19,6 +19,10 @@
19#ifndef DSPIOCTL_ 19#ifndef DSPIOCTL_
20#define DSPIOCTL_ 20#define DSPIOCTL_
21 21
22/* ------------------------------------ Hardware Abstraction Layer */
23#include <hw_defs.h>
24#include <hw_mmu.h>
25
22/* 26/*
23 * Any IOCTLS at or above this value are reserved for standard Bridge driver 27 * Any IOCTLS at or above this value are reserved for standard Bridge driver
24 * interfaces. 28 * interfaces.
@@ -61,6 +65,9 @@ struct bridge_ioctl_extproc {
61 /* GPP virtual address. __va does not work for ioremapped addresses */ 65 /* GPP virtual address. __va does not work for ioremapped addresses */
62 u32 ul_gpp_va; 66 u32 ul_gpp_va;
63 u32 ul_size; /* Size of the mapped memory in bytes */ 67 u32 ul_size; /* Size of the mapped memory in bytes */
68 enum hw_endianism_t endianism;
69 enum hw_mmu_mixed_size_t mixed_mode;
70 enum hw_element_size_t elem_size;
64}; 71};
65 72
66#endif /* DSPIOCTL_ */ 73#endif /* DSPIOCTL_ */
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-19 23:46:05 -0400