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authorNicolas Ferre <nicolas.ferre@atmel.com>2015-02-02 04:59:34 -0500
committerNicolas Ferre <nicolas.ferre@atmel.com>2015-02-02 04:59:34 -0500
commit980657d8cdff97343619cf2e3332b8307e9d07ea (patch)
tree67b44bc876b9ef48aa5c66fc85384b25ce58cbf4 /arch/arm/mach-at91
parentc5517b1ea7b2f8e6acb8de194eef2e69c51c8994 (diff)
parent9726b6892beeaa736610370429a23a481d1b133e (diff)
Merge tag 'at91-cleanup3' into at91-3.20-soc
Diffstat (limited to 'arch/arm/mach-at91')
-rw-r--r--arch/arm/mach-at91/Kconfig28
-rw-r--r--arch/arm/mach-at91/Makefile6
-rw-r--r--arch/arm/mach-at91/at91rm9200.c15
-rw-r--r--arch/arm/mach-at91/at91sam9260.c35
-rw-r--r--arch/arm/mach-at91/at91sam9261.c17
-rw-r--r--arch/arm/mach-at91/at91sam9263.c16
-rw-r--r--arch/arm/mach-at91/at91sam9g45.c16
-rw-r--r--arch/arm/mach-at91/at91sam9n12.c12
-rw-r--r--arch/arm/mach-at91/at91sam9rl.c28
-rw-r--r--arch/arm/mach-at91/at91sam9x5.c16
-rw-r--r--arch/arm/mach-at91/board-dt-rm9200.c15
-rw-r--r--arch/arm/mach-at91/board-dt-sam9.c56
-rw-r--r--arch/arm/mach-at91/board-dt-sama5.c1
-rw-r--r--arch/arm/mach-at91/generic.h23
-rw-r--r--arch/arm/mach-at91/include/mach/at91_pio.h80
-rw-r--r--arch/arm/mach-at91/include/mach/at91_rtt.h35
-rw-r--r--arch/arm/mach-at91/include/mach/debug-macro.S46
-rw-r--r--arch/arm/mach-at91/include/mach/memory.h26
-rw-r--r--arch/arm/mach-at91/include/mach/system_rev.h27
-rw-r--r--arch/arm/mach-at91/pm.c116
-rw-r--r--arch/arm/mach-at91/pm_slowclock.S9
-rw-r--r--arch/arm/mach-at91/sama5d3.c12
-rw-r--r--arch/arm/mach-at91/sama5d4.c1
-rw-r--r--arch/arm/mach-at91/setup.c38
-rw-r--r--arch/arm/mach-at91/sysirq_mask.c75
25 files changed, 178 insertions, 571 deletions
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 2395c68b3e32..c6956b863b9d 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -6,15 +6,6 @@ config HAVE_AT91_UTMI
6config HAVE_AT91_USB_CLK 6config HAVE_AT91_USB_CLK
7 bool 7 bool
8 8
9config HAVE_AT91_DBGU0
10 bool
11
12config HAVE_AT91_DBGU1
13 bool
14
15config HAVE_AT91_DBGU2
16 bool
17
18config COMMON_CLK_AT91 9config COMMON_CLK_AT91
19 bool 10 bool
20 select COMMON_CLK 11 select COMMON_CLK
@@ -70,7 +61,6 @@ config SOC_SAMA5D3
70 bool "SAMA5D3 family" 61 bool "SAMA5D3 family"
71 select SOC_SAMA5 62 select SOC_SAMA5
72 select HAVE_FB_ATMEL 63 select HAVE_FB_ATMEL
73 select HAVE_AT91_DBGU1
74 select HAVE_AT91_UTMI 64 select HAVE_AT91_UTMI
75 select HAVE_AT91_SMD 65 select HAVE_AT91_SMD
76 select HAVE_AT91_USB_CLK 66 select HAVE_AT91_USB_CLK
@@ -81,7 +71,6 @@ config SOC_SAMA5D3
81config SOC_SAMA5D4 71config SOC_SAMA5D4
82 bool "SAMA5D4 family" 72 bool "SAMA5D4 family"
83 select SOC_SAMA5 73 select SOC_SAMA5
84 select HAVE_AT91_DBGU2
85 select CLKSRC_MMIO 74 select CLKSRC_MMIO
86 select CACHE_L2X0 75 select CACHE_L2X0
87 select CACHE_PL310 76 select CACHE_PL310
@@ -101,12 +90,10 @@ config SOC_AT91RM9200
101 select COMMON_CLK_AT91 90 select COMMON_CLK_AT91
102 select CPU_ARM920T 91 select CPU_ARM920T
103 select GENERIC_CLOCKEVENTS 92 select GENERIC_CLOCKEVENTS
104 select HAVE_AT91_DBGU0
105 select HAVE_AT91_USB_CLK 93 select HAVE_AT91_USB_CLK
106 94
107config SOC_AT91SAM9260 95config SOC_AT91SAM9260
108 bool "AT91SAM9260, AT91SAM9XE or AT91SAM9G20" 96 bool "AT91SAM9260, AT91SAM9XE or AT91SAM9G20"
109 select HAVE_AT91_DBGU0
110 select SOC_AT91SAM9 97 select SOC_AT91SAM9
111 select HAVE_AT91_USB_CLK 98 select HAVE_AT91_USB_CLK
112 help 99 help
@@ -115,7 +102,6 @@ config SOC_AT91SAM9260
115 102
116config SOC_AT91SAM9261 103config SOC_AT91SAM9261
117 bool "AT91SAM9261 or AT91SAM9G10" 104 bool "AT91SAM9261 or AT91SAM9G10"
118 select HAVE_AT91_DBGU0
119 select HAVE_FB_ATMEL 105 select HAVE_FB_ATMEL
120 select SOC_AT91SAM9 106 select SOC_AT91SAM9
121 select HAVE_AT91_USB_CLK 107 select HAVE_AT91_USB_CLK
@@ -124,21 +110,18 @@ config SOC_AT91SAM9261
124 110
125config SOC_AT91SAM9263 111config SOC_AT91SAM9263
126 bool "AT91SAM9263" 112 bool "AT91SAM9263"
127 select HAVE_AT91_DBGU1
128 select HAVE_FB_ATMEL 113 select HAVE_FB_ATMEL
129 select SOC_AT91SAM9 114 select SOC_AT91SAM9
130 select HAVE_AT91_USB_CLK 115 select HAVE_AT91_USB_CLK
131 116
132config SOC_AT91SAM9RL 117config SOC_AT91SAM9RL
133 bool "AT91SAM9RL" 118 bool "AT91SAM9RL"
134 select HAVE_AT91_DBGU0
135 select HAVE_FB_ATMEL 119 select HAVE_FB_ATMEL
136 select SOC_AT91SAM9 120 select SOC_AT91SAM9
137 select HAVE_AT91_UTMI 121 select HAVE_AT91_UTMI
138 122
139config SOC_AT91SAM9G45 123config SOC_AT91SAM9G45
140 bool "AT91SAM9G45 or AT91SAM9M10 families" 124 bool "AT91SAM9G45 or AT91SAM9M10 families"
141 select HAVE_AT91_DBGU1
142 select HAVE_FB_ATMEL 125 select HAVE_FB_ATMEL
143 select SOC_AT91SAM9 126 select SOC_AT91SAM9
144 select HAVE_AT91_UTMI 127 select HAVE_AT91_UTMI
@@ -149,7 +132,6 @@ config SOC_AT91SAM9G45
149 132
150config SOC_AT91SAM9X5 133config SOC_AT91SAM9X5
151 bool "AT91SAM9x5 family" 134 bool "AT91SAM9x5 family"
152 select HAVE_AT91_DBGU0
153 select HAVE_FB_ATMEL 135 select HAVE_FB_ATMEL
154 select SOC_AT91SAM9 136 select SOC_AT91SAM9
155 select HAVE_AT91_UTMI 137 select HAVE_AT91_UTMI
@@ -164,7 +146,6 @@ config SOC_AT91SAM9X5
164 146
165config SOC_AT91SAM9N12 147config SOC_AT91SAM9N12
166 bool "AT91SAM9N12 family" 148 bool "AT91SAM9N12 family"
167 select HAVE_AT91_DBGU0
168 select HAVE_FB_ATMEL 149 select HAVE_FB_ATMEL
169 select SOC_AT91SAM9 150 select SOC_AT91SAM9
170 select HAVE_AT91_USB_CLK 151 select HAVE_AT91_USB_CLK
@@ -174,18 +155,11 @@ config SOC_AT91SAM9N12
174# ---------------------------------------------------------- 155# ----------------------------------------------------------
175endif # SOC_SAM_V4_V5 156endif # SOC_SAM_V4_V5
176 157
177config MACH_AT91RM9200_DT
178 def_bool SOC_AT91RM9200
179
180config MACH_AT91SAM9_DT
181 def_bool SOC_AT91SAM9
182
183# ----------------------------------------------------------
184
185comment "AT91 Feature Selections" 158comment "AT91 Feature Selections"
186 159
187config AT91_SLOW_CLOCK 160config AT91_SLOW_CLOCK
188 bool "Suspend-to-RAM disables main oscillator" 161 bool "Suspend-to-RAM disables main oscillator"
162 select SRAM
189 depends on SUSPEND 163 depends on SUSPEND
190 help 164 help
191 Select this if you want Suspend-to-RAM to save the most power 165 Select this if you want Suspend-to-RAM to save the most power
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 7b6424d40764..8ef7d9a2e855 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -2,7 +2,7 @@
2# Makefile for the linux kernel. 2# Makefile for the linux kernel.
3# 3#
4 4
5obj-y := setup.o sysirq_mask.o 5obj-y := setup.o
6 6
7obj-$(CONFIG_SOC_AT91SAM9) += sam9_smc.o 7obj-$(CONFIG_SOC_AT91SAM9) += sam9_smc.o
8 8
@@ -19,8 +19,8 @@ obj-$(CONFIG_SOC_SAMA5D3) += sama5d3.o
19obj-$(CONFIG_SOC_SAMA5D4) += sama5d4.o 19obj-$(CONFIG_SOC_SAMA5D4) += sama5d4.o
20 20
21# AT91SAM board with device-tree 21# AT91SAM board with device-tree
22obj-$(CONFIG_MACH_AT91RM9200_DT) += board-dt-rm9200.o 22obj-$(CONFIG_SOC_AT91RM9200) += board-dt-rm9200.o
23obj-$(CONFIG_MACH_AT91SAM9_DT) += board-dt-sam9.o 23obj-$(CONFIG_SOC_AT91SAM9) += board-dt-sam9.o
24 24
25# SAMA5 board with device-tree 25# SAMA5 board with device-tree
26obj-$(CONFIG_SOC_SAMA5) += board-dt-sama5.o 26obj-$(CONFIG_SOC_SAMA5) += board-dt-sama5.o
diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
index b52916947535..3be1963f5c56 100644
--- a/arch/arm/mach-at91/at91rm9200.c
+++ b/arch/arm/mach-at91/at91rm9200.c
@@ -21,14 +21,6 @@
21#include "soc.h" 21#include "soc.h"
22#include "generic.h" 22#include "generic.h"
23 23
24static void at91rm9200_idle(void)
25{
26 /*
27 * Disable the processor clock. The processor will be automatically
28 * re-enabled by an interrupt or by a reset.
29 */
30 at91_pmc_write(AT91_PMC_SCDR, AT91_PMC_PCK);
31}
32 24
33static void at91rm9200_restart(enum reboot_mode reboot_mode, const char *cmd) 25static void at91rm9200_restart(enum reboot_mode reboot_mode, const char *cmd)
34{ 26{
@@ -42,11 +34,6 @@ static void at91rm9200_restart(enum reboot_mode reboot_mode, const char *cmd)
42/* -------------------------------------------------------------------- 34/* --------------------------------------------------------------------
43 * AT91RM9200 processor initialization 35 * AT91RM9200 processor initialization
44 * -------------------------------------------------------------------- */ 36 * -------------------------------------------------------------------- */
45static void __init at91rm9200_map_io(void)
46{
47 /* Map peripherals */
48 at91_init_sram(0, AT91RM9200_SRAM_BASE, AT91RM9200_SRAM_SIZE);
49}
50 37
51static void __init at91rm9200_initialize(void) 38static void __init at91rm9200_initialize(void)
52{ 39{
@@ -54,8 +41,6 @@ static void __init at91rm9200_initialize(void)
54 arm_pm_restart = at91rm9200_restart; 41 arm_pm_restart = at91rm9200_restart;
55} 42}
56 43
57
58AT91_SOC_START(at91rm9200) 44AT91_SOC_START(at91rm9200)
59 .map_io = at91rm9200_map_io,
60 .init = at91rm9200_initialize, 45 .init = at91rm9200_initialize,
61AT91_SOC_END 46AT91_SOC_END
diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index 78137c24d90b..37b7ce4c6a3b 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -22,40 +22,5 @@
22 * AT91SAM9260 processor initialization 22 * AT91SAM9260 processor initialization
23 * -------------------------------------------------------------------- */ 23 * -------------------------------------------------------------------- */
24 24
25static void __init at91sam9xe_map_io(void)
26{
27 unsigned long sram_size;
28
29 switch (at91_soc_initdata.cidr & AT91_CIDR_SRAMSIZ) {
30 case AT91_CIDR_SRAMSIZ_32K:
31 sram_size = 2 * SZ_16K;
32 break;
33 case AT91_CIDR_SRAMSIZ_16K:
34 default:
35 sram_size = SZ_16K;
36 }
37
38 at91_init_sram(0, AT91SAM9XE_SRAM_BASE, sram_size);
39}
40
41static void __init at91sam9260_map_io(void)
42{
43 if (cpu_is_at91sam9xe())
44 at91sam9xe_map_io();
45 else if (cpu_is_at91sam9g20())
46 at91_init_sram(0, AT91SAM9G20_SRAM_BASE, AT91SAM9G20_SRAM_SIZE);
47 else
48 at91_init_sram(0, AT91SAM9260_SRAM_BASE, AT91SAM9260_SRAM_SIZE);
49}
50
51static void __init at91sam9260_initialize(void)
52{
53 arm_pm_idle = at91sam9_idle;
54
55 at91_sysirq_mask_rtt(AT91SAM9260_BASE_RTT);
56}
57
58AT91_SOC_START(at91sam9260) 25AT91_SOC_START(at91sam9260)
59 .map_io = at91sam9260_map_io,
60 .init = at91sam9260_initialize,
61AT91_SOC_END 26AT91_SOC_END
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
index d29953ecb0c4..aebbf76b6038 100644
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -21,22 +21,5 @@
21 * AT91SAM9261 processor initialization 21 * AT91SAM9261 processor initialization
22 * -------------------------------------------------------------------- */ 22 * -------------------------------------------------------------------- */
23 23
24static void __init at91sam9261_map_io(void)
25{
26 if (cpu_is_at91sam9g10())
27 at91_init_sram(0, AT91SAM9G10_SRAM_BASE, AT91SAM9G10_SRAM_SIZE);
28 else
29 at91_init_sram(0, AT91SAM9261_SRAM_BASE, AT91SAM9261_SRAM_SIZE);
30}
31
32static void __init at91sam9261_initialize(void)
33{
34 arm_pm_idle = at91sam9_idle;
35
36 at91_sysirq_mask_rtt(AT91SAM9261_BASE_RTT);
37}
38
39AT91_SOC_START(at91sam9261) 24AT91_SOC_START(at91sam9261)
40 .map_io = at91sam9261_map_io,
41 .init = at91sam9261_initialize,
42AT91_SOC_END 25AT91_SOC_END
diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c
index e7ad14864083..dca29457d9cc 100644
--- a/arch/arm/mach-at91/at91sam9263.c
+++ b/arch/arm/mach-at91/at91sam9263.c
@@ -20,21 +20,5 @@
20 * AT91SAM9263 processor initialization 20 * AT91SAM9263 processor initialization
21 * -------------------------------------------------------------------- */ 21 * -------------------------------------------------------------------- */
22 22
23static void __init at91sam9263_map_io(void)
24{
25 at91_init_sram(0, AT91SAM9263_SRAM0_BASE, AT91SAM9263_SRAM0_SIZE);
26 at91_init_sram(1, AT91SAM9263_SRAM1_BASE, AT91SAM9263_SRAM1_SIZE);
27}
28
29static void __init at91sam9263_initialize(void)
30{
31 arm_pm_idle = at91sam9_idle;
32
33 at91_sysirq_mask_rtt(AT91SAM9263_BASE_RTT0);
34 at91_sysirq_mask_rtt(AT91SAM9263_BASE_RTT1);
35}
36
37AT91_SOC_START(at91sam9263) 23AT91_SOC_START(at91sam9263)
38 .map_io = at91sam9263_map_io,
39 .init = at91sam9263_initialize,
40AT91_SOC_END 24AT91_SOC_END
diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c
index b6117bea9a6f..4957a9ef748a 100644
--- a/arch/arm/mach-at91/at91sam9g45.c
+++ b/arch/arm/mach-at91/at91sam9g45.c
@@ -11,7 +11,6 @@
11 */ 11 */
12 12
13#include <asm/system_misc.h> 13#include <asm/system_misc.h>
14#include <asm/irq.h>
15#include <mach/hardware.h> 14#include <mach/hardware.h>
16 15
17#include "soc.h" 16#include "soc.h"
@@ -21,20 +20,5 @@
21 * AT91SAM9G45 processor initialization 20 * AT91SAM9G45 processor initialization
22 * -------------------------------------------------------------------- */ 21 * -------------------------------------------------------------------- */
23 22
24static void __init at91sam9g45_map_io(void)
25{
26 at91_init_sram(0, AT91SAM9G45_SRAM_BASE, AT91SAM9G45_SRAM_SIZE);
27}
28
29static void __init at91sam9g45_initialize(void)
30{
31 arm_pm_idle = at91sam9_idle;
32
33 at91_sysirq_mask_rtc(AT91SAM9G45_BASE_RTC);
34 at91_sysirq_mask_rtt(AT91SAM9G45_BASE_RTT);
35}
36
37AT91_SOC_START(at91sam9g45) 23AT91_SOC_START(at91sam9g45)
38 .map_io = at91sam9g45_map_io,
39 .init = at91sam9g45_initialize,
40AT91_SOC_END 24AT91_SOC_END
diff --git a/arch/arm/mach-at91/at91sam9n12.c b/arch/arm/mach-at91/at91sam9n12.c
index dee569b1987e..b5ea69a3eaf6 100644
--- a/arch/arm/mach-at91/at91sam9n12.c
+++ b/arch/arm/mach-at91/at91sam9n12.c
@@ -16,17 +16,5 @@
16 * AT91SAM9N12 processor initialization 16 * AT91SAM9N12 processor initialization
17 * -------------------------------------------------------------------- */ 17 * -------------------------------------------------------------------- */
18 18
19static void __init at91sam9n12_map_io(void)
20{
21 at91_init_sram(0, AT91SAM9N12_SRAM_BASE, AT91SAM9N12_SRAM_SIZE);
22}
23
24static void __init at91sam9n12_initialize(void)
25{
26 at91_sysirq_mask_rtc(AT91SAM9N12_BASE_RTC);
27}
28
29AT91_SOC_START(at91sam9n12) 19AT91_SOC_START(at91sam9n12)
30 .map_io = at91sam9n12_map_io,
31 .init = at91sam9n12_initialize,
32AT91_SOC_END 20AT91_SOC_END
diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c
index f25b9aec9c50..6cb40e4ec20f 100644
--- a/arch/arm/mach-at91/at91sam9rl.c
+++ b/arch/arm/mach-at91/at91sam9rl.c
@@ -10,7 +10,6 @@
10 */ 10 */
11 11
12#include <asm/system_misc.h> 12#include <asm/system_misc.h>
13#include <asm/irq.h>
14#include <mach/cpu.h> 13#include <mach/cpu.h>
15#include <mach/at91_dbgu.h> 14#include <mach/at91_dbgu.h>
16#include <mach/hardware.h> 15#include <mach/hardware.h>
@@ -22,32 +21,5 @@
22 * AT91SAM9RL processor initialization 21 * AT91SAM9RL processor initialization
23 * -------------------------------------------------------------------- */ 22 * -------------------------------------------------------------------- */
24 23
25static void __init at91sam9rl_map_io(void)
26{
27 unsigned long sram_size;
28
29 switch (at91_soc_initdata.cidr & AT91_CIDR_SRAMSIZ) {
30 case AT91_CIDR_SRAMSIZ_32K:
31 sram_size = 2 * SZ_16K;
32 break;
33 case AT91_CIDR_SRAMSIZ_16K:
34 default:
35 sram_size = SZ_16K;
36 }
37
38 /* Map SRAM */
39 at91_init_sram(0, AT91SAM9RL_SRAM_BASE, sram_size);
40}
41
42static void __init at91sam9rl_initialize(void)
43{
44 arm_pm_idle = at91sam9_idle;
45
46 at91_sysirq_mask_rtc(AT91SAM9RL_BASE_RTC);
47 at91_sysirq_mask_rtt(AT91SAM9RL_BASE_RTT);
48}
49
50AT91_SOC_START(at91sam9rl) 24AT91_SOC_START(at91sam9rl)
51 .map_io = at91sam9rl_map_io,
52 .init = at91sam9rl_initialize,
53AT91_SOC_END 25AT91_SOC_END
diff --git a/arch/arm/mach-at91/at91sam9x5.c b/arch/arm/mach-at91/at91sam9x5.c
index f0d5a69a7237..7b60a529db01 100644
--- a/arch/arm/mach-at91/at91sam9x5.c
+++ b/arch/arm/mach-at91/at91sam9x5.c
@@ -16,21 +16,5 @@
16 * AT91SAM9x5 processor initialization 16 * AT91SAM9x5 processor initialization
17 * -------------------------------------------------------------------- */ 17 * -------------------------------------------------------------------- */
18 18
19static void __init at91sam9x5_map_io(void)
20{
21 at91_init_sram(0, AT91SAM9X5_SRAM_BASE, AT91SAM9X5_SRAM_SIZE);
22}
23
24static void __init at91sam9x5_initialize(void)
25{
26 at91_sysirq_mask_rtc(AT91SAM9X5_BASE_RTC);
27}
28
29/* --------------------------------------------------------------------
30 * Interrupt initialization
31 * -------------------------------------------------------------------- */
32
33AT91_SOC_START(at91sam9x5) 19AT91_SOC_START(at91sam9x5)
34 .map_io = at91sam9x5_map_io,
35 .init = at91sam9x5_initialize,
36AT91_SOC_END 20AT91_SOC_END
diff --git a/arch/arm/mach-at91/board-dt-rm9200.c b/arch/arm/mach-at91/board-dt-rm9200.c
index 76dfe8f9af50..d47c4433444d 100644
--- a/arch/arm/mach-at91/board-dt-rm9200.c
+++ b/arch/arm/mach-at91/board-dt-rm9200.c
@@ -14,6 +14,7 @@
14#include <linux/gpio.h> 14#include <linux/gpio.h>
15#include <linux/of.h> 15#include <linux/of.h>
16#include <linux/of_irq.h> 16#include <linux/of_irq.h>
17#include <linux/of_platform.h>
17#include <linux/clk-provider.h> 18#include <linux/clk-provider.h>
18 19
19#include <asm/setup.h> 20#include <asm/setup.h>
@@ -30,7 +31,16 @@ static void __init at91rm9200_dt_timer_init(void)
30 at91rm9200_timer_init(); 31 at91rm9200_timer_init();
31} 32}
32 33
33static const char *at91rm9200_dt_board_compat[] __initdata = { 34static void __init rm9200_dt_device_init(void)
35{
36 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
37
38 at91_rm9200_pm_init();
39}
40
41
42
43static const char *at91rm9200_dt_board_compat[] __initconst = {
34 "atmel,at91rm9200", 44 "atmel,at91rm9200",
35 NULL 45 NULL
36}; 46};
@@ -38,6 +48,7 @@ static const char *at91rm9200_dt_board_compat[] __initdata = {
38DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200 (Device Tree)") 48DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200 (Device Tree)")
39 .init_time = at91rm9200_dt_timer_init, 49 .init_time = at91rm9200_dt_timer_init,
40 .map_io = at91_map_io, 50 .map_io = at91_map_io,
41 .init_early = at91rm9200_dt_initialize, 51 .init_early = at91_dt_initialize,
52 .init_machine = rm9200_dt_device_init,
42 .dt_compat = at91rm9200_dt_board_compat, 53 .dt_compat = at91rm9200_dt_board_compat,
43MACHINE_END 54MACHINE_END
diff --git a/arch/arm/mach-at91/board-dt-sam9.c b/arch/arm/mach-at91/board-dt-sam9.c
index f99246aa9b38..f5d922e57655 100644
--- a/arch/arm/mach-at91/board-dt-sam9.c
+++ b/arch/arm/mach-at91/board-dt-sam9.c
@@ -13,8 +13,10 @@
13#include <linux/gpio.h> 13#include <linux/gpio.h>
14#include <linux/of.h> 14#include <linux/of.h>
15#include <linux/of_irq.h> 15#include <linux/of_irq.h>
16#include <linux/of_platform.h>
16#include <linux/clk-provider.h> 17#include <linux/clk-provider.h>
17 18
19#include <asm/system_misc.h>
18#include <asm/setup.h> 20#include <asm/setup.h>
19#include <asm/irq.h> 21#include <asm/irq.h>
20#include <asm/mach/arch.h> 22#include <asm/mach/arch.h>
@@ -23,7 +25,15 @@
23 25
24#include "generic.h" 26#include "generic.h"
25 27
26static const char *at91_dt_board_compat[] __initdata = { 28static void __init sam9_dt_device_init(void)
29{
30 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
31
32 arm_pm_idle = at91sam9_idle;
33 at91_sam9260_pm_init();
34}
35
36static const char *at91_dt_board_compat[] __initconst = {
27 "atmel,at91sam9", 37 "atmel,at91sam9",
28 NULL 38 NULL
29}; 39};
@@ -32,5 +42,49 @@ DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM (Device Tree)")
32 /* Maintainer: Atmel */ 42 /* Maintainer: Atmel */
33 .map_io = at91_map_io, 43 .map_io = at91_map_io,
34 .init_early = at91_dt_initialize, 44 .init_early = at91_dt_initialize,
45 .init_machine = sam9_dt_device_init,
35 .dt_compat = at91_dt_board_compat, 46 .dt_compat = at91_dt_board_compat,
36MACHINE_END 47MACHINE_END
48
49static void __init sam9g45_dt_device_init(void)
50{
51 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
52
53 arm_pm_idle = at91sam9_idle;
54 at91_sam9g45_pm_init();
55}
56
57static const char *at91_9g45_board_compat[] __initconst = {
58 "atmel,at91sam9g45",
59 NULL
60};
61
62DT_MACHINE_START(at91sam9g45_dt, "Atmel AT91SAM9G45")
63 /* Maintainer: Atmel */
64 .map_io = at91_map_io,
65 .init_early = at91_dt_initialize,
66 .init_machine = sam9g45_dt_device_init,
67 .dt_compat = at91_9g45_board_compat,
68MACHINE_END
69
70static void __init sam9x5_dt_device_init(void)
71{
72 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
73
74 arm_pm_idle = at91sam9_idle;
75 at91_sam9x5_pm_init();
76}
77
78static const char *at91_9x5_board_compat[] __initconst = {
79 "atmel,at91sam9x5",
80 "atmel,at91sam9n12",
81 NULL
82};
83
84DT_MACHINE_START(at91sam9x5_dt, "Atmel AT91SAM9")
85 /* Maintainer: Atmel */
86 .map_io = at91_map_io,
87 .init_early = at91_dt_initialize,
88 .init_machine = sam9x5_dt_device_init,
89 .dt_compat = at91_9x5_board_compat,
90MACHINE_END
diff --git a/arch/arm/mach-at91/board-dt-sama5.c b/arch/arm/mach-at91/board-dt-sama5.c
index 97f7367d32b8..3ffe46c2bd4c 100644
--- a/arch/arm/mach-at91/board-dt-sama5.c
+++ b/arch/arm/mach-at91/board-dt-sama5.c
@@ -47,6 +47,7 @@ static void __init sama5_dt_device_init(void)
47 } 47 }
48 48
49 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); 49 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
50 at91_sam9x5_pm_init();
50} 51}
51 52
52static const char *sama5_dt_board_compat[] __initconst = { 53static const char *sama5_dt_board_compat[] __initconst = {
diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h
index d53324210adf..a8ee83ef6cd4 100644
--- a/arch/arm/mach-at91/generic.h
+++ b/arch/arm/mach-at91/generic.h
@@ -17,24 +17,31 @@
17 /* Map io */ 17 /* Map io */
18extern void __init at91_map_io(void); 18extern void __init at91_map_io(void);
19extern void __init at91_alt_map_io(void); 19extern void __init at91_alt_map_io(void);
20extern void __init at91_init_sram(int bank, unsigned long base,
21 unsigned int length);
22 20
23 /* Processors */ 21 /* Processors */
24extern void __init at91rm9200_set_type(int type);
25extern void __init at91rm9200_dt_initialize(void);
26extern void __init at91_dt_initialize(void); 22extern void __init at91_dt_initialize(void);
27 23
28 /* Interrupts */
29extern void __init at91_sysirq_mask_rtc(u32 rtc_base);
30extern void __init at91_sysirq_mask_rtt(u32 rtt_base);
31
32 /* Timer */ 24 /* Timer */
33extern void at91rm9200_timer_init(void); 25extern void at91rm9200_timer_init(void);
34 26
35/* idle */ 27/* idle */
28extern void at91rm9200_idle(void);
36extern void at91sam9_idle(void); 29extern void at91sam9_idle(void);
37 30
38/* Matrix */ 31/* Matrix */
39extern void at91_ioremap_matrix(u32 base_addr); 32extern void at91_ioremap_matrix(u32 base_addr);
33
34
35#ifdef CONFIG_PM
36extern void __init at91_rm9200_pm_init(void);
37extern void __init at91_sam9260_pm_init(void);
38extern void __init at91_sam9g45_pm_init(void);
39extern void __init at91_sam9x5_pm_init(void);
40#else
41void __init at91_rm9200_pm_init(void) { }
42void __init at91_sam9260_pm_init(void) { }
43void __init at91_sam9g45_pm_init(void) { }
44void __init at91_sam9x5_pm_init(void) { }
45#endif
46
40#endif /* _AT91_GENERIC_H */ 47#endif /* _AT91_GENERIC_H */
diff --git a/arch/arm/mach-at91/include/mach/at91_pio.h b/arch/arm/mach-at91/include/mach/at91_pio.h
deleted file mode 100644
index 7b7366253ceb..000000000000
--- a/arch/arm/mach-at91/include/mach/at91_pio.h
+++ /dev/null
@@ -1,80 +0,0 @@
1/*
2 * arch/arm/mach-at91/include/mach/at91_pio.h
3 *
4 * Copyright (C) 2005 Ivan Kokshaysky
5 * Copyright (C) SAN People
6 *
7 * Parallel I/O Controller (PIO) - System peripherals registers.
8 * Based on AT91RM9200 datasheet revision E.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 */
15
16#ifndef AT91_PIO_H
17#define AT91_PIO_H
18
19#define PIO_PER 0x00 /* Enable Register */
20#define PIO_PDR 0x04 /* Disable Register */
21#define PIO_PSR 0x08 /* Status Register */
22#define PIO_OER 0x10 /* Output Enable Register */
23#define PIO_ODR 0x14 /* Output Disable Register */
24#define PIO_OSR 0x18 /* Output Status Register */
25#define PIO_IFER 0x20 /* Glitch Input Filter Enable */
26#define PIO_IFDR 0x24 /* Glitch Input Filter Disable */
27#define PIO_IFSR 0x28 /* Glitch Input Filter Status */
28#define PIO_SODR 0x30 /* Set Output Data Register */
29#define PIO_CODR 0x34 /* Clear Output Data Register */
30#define PIO_ODSR 0x38 /* Output Data Status Register */
31#define PIO_PDSR 0x3c /* Pin Data Status Register */
32#define PIO_IER 0x40 /* Interrupt Enable Register */
33#define PIO_IDR 0x44 /* Interrupt Disable Register */
34#define PIO_IMR 0x48 /* Interrupt Mask Register */
35#define PIO_ISR 0x4c /* Interrupt Status Register */
36#define PIO_MDER 0x50 /* Multi-driver Enable Register */
37#define PIO_MDDR 0x54 /* Multi-driver Disable Register */
38#define PIO_MDSR 0x58 /* Multi-driver Status Register */
39#define PIO_PUDR 0x60 /* Pull-up Disable Register */
40#define PIO_PUER 0x64 /* Pull-up Enable Register */
41#define PIO_PUSR 0x68 /* Pull-up Status Register */
42#define PIO_ASR 0x70 /* Peripheral A Select Register */
43#define PIO_ABCDSR1 0x70 /* Peripheral ABCD Select Register 1 [some sam9 only] */
44#define PIO_BSR 0x74 /* Peripheral B Select Register */
45#define PIO_ABCDSR2 0x74 /* Peripheral ABCD Select Register 2 [some sam9 only] */
46#define PIO_ABSR 0x78 /* AB Status Register */
47#define PIO_IFSCDR 0x80 /* Input Filter Slow Clock Disable Register */
48#define PIO_IFSCER 0x84 /* Input Filter Slow Clock Enable Register */
49#define PIO_IFSCSR 0x88 /* Input Filter Slow Clock Status Register */
50#define PIO_SCDR 0x8c /* Slow Clock Divider Debouncing Register */
51#define PIO_SCDR_DIV (0x3fff << 0) /* Slow Clock Divider Mask */
52#define PIO_PPDDR 0x90 /* Pad Pull-down Disable Register */
53#define PIO_PPDER 0x94 /* Pad Pull-down Enable Register */
54#define PIO_PPDSR 0x98 /* Pad Pull-down Status Register */
55#define PIO_OWER 0xa0 /* Output Write Enable Register */
56#define PIO_OWDR 0xa4 /* Output Write Disable Register */
57#define PIO_OWSR 0xa8 /* Output Write Status Register */
58#define PIO_AIMER 0xb0 /* Additional Interrupt Modes Enable Register */
59#define PIO_AIMDR 0xb4 /* Additional Interrupt Modes Disable Register */
60#define PIO_AIMMR 0xb8 /* Additional Interrupt Modes Mask Register */
61#define PIO_ESR 0xc0 /* Edge Select Register */
62#define PIO_LSR 0xc4 /* Level Select Register */
63#define PIO_ELSR 0xc8 /* Edge/Level Status Register */
64#define PIO_FELLSR 0xd0 /* Falling Edge/Low Level Select Register */
65#define PIO_REHLSR 0xd4 /* Rising Edge/ High Level Select Register */
66#define PIO_FRLHSR 0xd8 /* Fall/Rise - Low/High Status Register */
67#define PIO_SCHMITT 0x100 /* Schmitt Trigger Register */
68
69#define ABCDSR_PERIPH_A 0x0
70#define ABCDSR_PERIPH_B 0x1
71#define ABCDSR_PERIPH_C 0x2
72#define ABCDSR_PERIPH_D 0x3
73
74#define SAMA5D3_PIO_DRIVER1 0x118 /*PIO Driver 1 register offset*/
75#define SAMA5D3_PIO_DRIVER2 0x11C /*PIO Driver 2 register offset*/
76
77#define AT91SAM9X5_PIO_DRIVER1 0x114 /*PIO Driver 1 register offset*/
78#define AT91SAM9X5_PIO_DRIVER2 0x118 /*PIO Driver 2 register offset*/
79
80#endif
diff --git a/arch/arm/mach-at91/include/mach/at91_rtt.h b/arch/arm/mach-at91/include/mach/at91_rtt.h
deleted file mode 100644
index 7ec75de8bbb6..000000000000
--- a/arch/arm/mach-at91/include/mach/at91_rtt.h
+++ /dev/null
@@ -1,35 +0,0 @@
1/*
2 * arch/arm/mach-at91/include/mach/at91_rtt.h
3 *
4 * Copyright (C) 2007 Andrew Victor
5 * Copyright (C) 2007 Atmel Corporation.
6 *
7 * Real-time Timer (RTT) - System peripherals regsters.
8 * Based on AT91SAM9261 datasheet revision D.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 */
15
16#ifndef AT91_RTT_H
17#define AT91_RTT_H
18
19#define AT91_RTT_MR 0x00 /* Real-time Mode Register */
20#define AT91_RTT_RTPRES (0xffff << 0) /* Real-time Timer Prescaler Value */
21#define AT91_RTT_ALMIEN (1 << 16) /* Alarm Interrupt Enable */
22#define AT91_RTT_RTTINCIEN (1 << 17) /* Real Time Timer Increment Interrupt Enable */
23#define AT91_RTT_RTTRST (1 << 18) /* Real Time Timer Restart */
24
25#define AT91_RTT_AR 0x04 /* Real-time Alarm Register */
26#define AT91_RTT_ALMV (0xffffffff) /* Alarm Value */
27
28#define AT91_RTT_VR 0x08 /* Real-time Value Register */
29#define AT91_RTT_CRTV (0xffffffff) /* Current Real-time Value */
30
31#define AT91_RTT_SR 0x0c /* Real-time Status Register */
32#define AT91_RTT_ALMS (1 << 0) /* Real-time Alarm Status */
33#define AT91_RTT_RTTINC (1 << 1) /* Real-time Timer Increment */
34
35#endif
diff --git a/arch/arm/mach-at91/include/mach/debug-macro.S b/arch/arm/mach-at91/include/mach/debug-macro.S
deleted file mode 100644
index 2103a90f2261..000000000000
--- a/arch/arm/mach-at91/include/mach/debug-macro.S
+++ /dev/null
@@ -1,46 +0,0 @@
1/*
2 * arch/arm/mach-at91/include/mach/debug-macro.S
3 *
4 * Copyright (C) 2003-2005 SAN People
5 *
6 * Debugging macro include header
7 *
8 * This program 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*/
13
14#include <mach/hardware.h>
15#include <mach/at91_dbgu.h>
16
17#if defined(CONFIG_AT91_DEBUG_LL_DBGU0)
18#define AT91_DBGU AT91_BASE_DBGU0
19#elif defined(CONFIG_AT91_DEBUG_LL_DBGU1)
20#define AT91_DBGU AT91_BASE_DBGU1
21#else
22/* On sama5d4, use USART3 as low level serial console */
23#define AT91_DBGU SAMA5D4_BASE_USART3
24#endif
25
26 .macro addruart, rp, rv, tmp
27 ldr \rp, =AT91_DBGU @ System peripherals (phys address)
28 ldr \rv, =AT91_IO_P2V(AT91_DBGU) @ System peripherals (virt address)
29 .endm
30
31 .macro senduart,rd,rx
32 strb \rd, [\rx, #(AT91_DBGU_THR)] @ Write to Transmitter Holding Register
33 .endm
34
35 .macro waituart,rd,rx
361001: ldr \rd, [\rx, #(AT91_DBGU_SR)] @ Read Status Register
37 tst \rd, #AT91_DBGU_TXRDY @ DBGU_TXRDY = 1 when ready to transmit
38 beq 1001b
39 .endm
40
41 .macro busyuart,rd,rx
421001: ldr \rd, [\rx, #(AT91_DBGU_SR)] @ Read Status Register
43 tst \rd, #AT91_DBGU_TXEMPTY @ DBGU_TXEMPTY = 1 when transmission complete
44 beq 1001b
45 .endm
46
diff --git a/arch/arm/mach-at91/include/mach/memory.h b/arch/arm/mach-at91/include/mach/memory.h
deleted file mode 100644
index 401c207f2f39..000000000000
--- a/arch/arm/mach-at91/include/mach/memory.h
+++ /dev/null
@@ -1,26 +0,0 @@
1/*
2 * arch/arm/mach-at91/include/mach/memory.h
3 *
4 * Copyright (C) 2004 SAN People
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#ifndef __ASM_ARCH_MEMORY_H
22#define __ASM_ARCH_MEMORY_H
23
24#include <mach/hardware.h>
25
26#endif
diff --git a/arch/arm/mach-at91/include/mach/system_rev.h b/arch/arm/mach-at91/include/mach/system_rev.h
deleted file mode 100644
index ef79a9aafc08..000000000000
--- a/arch/arm/mach-at91/include/mach/system_rev.h
+++ /dev/null
@@ -1,27 +0,0 @@
1/*
2 * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
3 *
4 * Under GPLv2 only
5 */
6
7#ifndef __ARCH_SYSTEM_REV_H__
8#define __ARCH_SYSTEM_REV_H__
9
10#include <asm/system_info.h>
11
12/*
13 * board revision encoding
14 * mach specific
15 * the 16-31 bit are reserved for at91 generic information
16 *
17 * bit 31:
18 * 0 => nand 8 bit
19 * 1 => nand 16 bit
20 */
21#define BOARD_HAVE_NAND_16BIT (1 << 31)
22static inline int board_have_nand_16bit(void)
23{
24 return (system_rev & BOARD_HAVE_NAND_16BIT) ? 1 : 0;
25}
26
27#endif /* __ARCH_SYSTEM_REV_H__ */
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 9b15169a1c62..87c1fd8aa1b6 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -14,9 +14,12 @@
14#include <linux/suspend.h> 14#include <linux/suspend.h>
15#include <linux/sched.h> 15#include <linux/sched.h>
16#include <linux/proc_fs.h> 16#include <linux/proc_fs.h>
17#include <linux/genalloc.h>
17#include <linux/interrupt.h> 18#include <linux/interrupt.h>
18#include <linux/sysfs.h> 19#include <linux/sysfs.h>
19#include <linux/module.h> 20#include <linux/module.h>
21#include <linux/of.h>
22#include <linux/of_platform.h>
20#include <linux/platform_device.h> 23#include <linux/platform_device.h>
21#include <linux/io.h> 24#include <linux/io.h>
22#include <linux/clk/at91_pmc.h> 25#include <linux/clk/at91_pmc.h>
@@ -32,6 +35,11 @@
32#include "generic.h" 35#include "generic.h"
33#include "pm.h" 36#include "pm.h"
34 37
38static struct {
39 unsigned long uhp_udp_mask;
40 int memctrl;
41} at91_pm_data;
42
35static void (*at91_pm_standby)(void); 43static void (*at91_pm_standby)(void);
36 44
37static int at91_pm_valid_state(suspend_state_t state) 45static int at91_pm_valid_state(suspend_state_t state)
@@ -71,17 +79,9 @@ static int at91_pm_verify_clocks(void)
71 scsr = at91_pmc_read(AT91_PMC_SCSR); 79 scsr = at91_pmc_read(AT91_PMC_SCSR);
72 80
73 /* USB must not be using PLLB */ 81 /* USB must not be using PLLB */
74 if (cpu_is_at91rm9200()) { 82 if ((scsr & at91_pm_data.uhp_udp_mask) != 0) {
75 if ((scsr & (AT91RM9200_PMC_UHP | AT91RM9200_PMC_UDP)) != 0) { 83 pr_err("AT91: PM - Suspend-to-RAM with USB still active\n");
76 pr_err("AT91: PM - Suspend-to-RAM with USB still active\n"); 84 return 0;
77 return 0;
78 }
79 } else if (cpu_is_at91sam9260() || cpu_is_at91sam9261() || cpu_is_at91sam9263()
80 || cpu_is_at91sam9g20() || cpu_is_at91sam9g10()) {
81 if ((scsr & (AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP)) != 0) {
82 pr_err("AT91: PM - Suspend-to-RAM with USB still active\n");
83 return 0;
84 }
85 } 85 }
86 86
87 /* PCK0..PCK3 must be disabled, or configured to use clk32k */ 87 /* PCK0..PCK3 must be disabled, or configured to use clk32k */
@@ -149,18 +149,13 @@ static int at91_pm_enter(suspend_state_t state)
149 * turning off the main oscillator; reverse on wakeup. 149 * turning off the main oscillator; reverse on wakeup.
150 */ 150 */
151 if (slow_clock) { 151 if (slow_clock) {
152 int memctrl = AT91_MEMCTRL_SDRAMC;
153
154 if (cpu_is_at91rm9200())
155 memctrl = AT91_MEMCTRL_MC;
156 else if (cpu_is_at91sam9g45())
157 memctrl = AT91_MEMCTRL_DDRSDR;
158#ifdef CONFIG_AT91_SLOW_CLOCK 152#ifdef CONFIG_AT91_SLOW_CLOCK
159 /* copy slow_clock handler to SRAM, and call it */ 153 /* copy slow_clock handler to SRAM, and call it */
160 memcpy(slow_clock, at91_slow_clock, at91_slow_clock_sz); 154 memcpy(slow_clock, at91_slow_clock, at91_slow_clock_sz);
161#endif 155#endif
162 slow_clock(at91_pmc_base, at91_ramc_base[0], 156 slow_clock(at91_pmc_base, at91_ramc_base[0],
163 at91_ramc_base[1], memctrl); 157 at91_ramc_base[1],
158 at91_pm_data.memctrl);
164 break; 159 break;
165 } else { 160 } else {
166 pr_info("AT91: PM - no slow clock mode enabled ...\n"); 161 pr_info("AT91: PM - no slow clock mode enabled ...\n");
@@ -229,23 +224,92 @@ void at91_pm_set_standby(void (*at91_standby)(void))
229 } 224 }
230} 225}
231 226
232static int __init at91_pm_init(void) 227#ifdef CONFIG_AT91_SLOW_CLOCK
228static void __init at91_pm_sram_init(void)
229{
230 struct gen_pool *sram_pool;
231 phys_addr_t sram_pbase;
232 unsigned long sram_base;
233 struct device_node *node;
234 struct platform_device *pdev;
235
236 node = of_find_compatible_node(NULL, NULL, "mmio-sram");
237 if (!node) {
238 pr_warn("%s: failed to find sram node!\n", __func__);
239 return;
240 }
241
242 pdev = of_find_device_by_node(node);
243 if (!pdev) {
244 pr_warn("%s: failed to find sram device!\n", __func__);
245 goto put_node;
246 }
247
248 sram_pool = dev_get_gen_pool(&pdev->dev);
249 if (!sram_pool) {
250 pr_warn("%s: sram pool unavailable!\n", __func__);
251 goto put_node;
252 }
253
254 sram_base = gen_pool_alloc(sram_pool, at91_slow_clock_sz);
255 if (!sram_base) {
256 pr_warn("%s: unable to alloc ocram!\n", __func__);
257 goto put_node;
258 }
259
260 sram_pbase = gen_pool_virt_to_phys(sram_pool, sram_base);
261 slow_clock = __arm_ioremap_exec(sram_pbase, at91_slow_clock_sz, false);
262
263put_node:
264 of_node_put(node);
265}
266#endif
267
268
269static void __init at91_pm_init(void)
233{ 270{
234#ifdef CONFIG_AT91_SLOW_CLOCK 271#ifdef CONFIG_AT91_SLOW_CLOCK
235 slow_clock = (void *) (AT91_IO_VIRT_BASE - at91_slow_clock_sz); 272 at91_pm_sram_init();
236#endif 273#endif
237 274
238 pr_info("AT91: Power Management%s\n", (slow_clock ? " (with slow clock mode)" : "")); 275 pr_info("AT91: Power Management%s\n", (slow_clock ? " (with slow clock mode)" : ""));
239 276
240 /* AT91RM9200 SDRAM low-power mode cannot be used with self-refresh. */
241 if (cpu_is_at91rm9200())
242 at91_ramc_write(0, AT91RM9200_SDRAMC_LPR, 0);
243
244 if (at91_cpuidle_device.dev.platform_data) 277 if (at91_cpuidle_device.dev.platform_data)
245 platform_device_register(&at91_cpuidle_device); 278 platform_device_register(&at91_cpuidle_device);
246 279
247 suspend_set_ops(&at91_pm_ops); 280 suspend_set_ops(&at91_pm_ops);
281}
248 282
249 return 0; 283void __init at91_rm9200_pm_init(void)
284{
285 /*
286 * AT91RM9200 SDRAM low-power mode cannot be used with self-refresh.
287 */
288 at91_ramc_write(0, AT91RM9200_SDRAMC_LPR, 0);
289
290 at91_pm_data.uhp_udp_mask = AT91RM9200_PMC_UHP | AT91RM9200_PMC_UDP;
291 at91_pm_data.memctrl = AT91_MEMCTRL_MC;
292
293 at91_pm_init();
294}
295
296void __init at91_sam9260_pm_init(void)
297{
298 at91_pm_data.memctrl = AT91_MEMCTRL_SDRAMC;
299 at91_pm_data.uhp_udp_mask = AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP;
300 return at91_pm_init();
301}
302
303void __init at91_sam9g45_pm_init(void)
304{
305 at91_pm_data.uhp_udp_mask = AT91SAM926x_PMC_UHP;
306 at91_pm_data.memctrl = AT91_MEMCTRL_DDRSDR;
307 return at91_pm_init();
308}
309
310void __init at91_sam9x5_pm_init(void)
311{
312 at91_pm_data.uhp_udp_mask = AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP;
313 at91_pm_data.memctrl = AT91_MEMCTRL_DDRSDR;
314 return at91_pm_init();
250} 315}
251arch_initcall(at91_pm_init);
diff --git a/arch/arm/mach-at91/pm_slowclock.S b/arch/arm/mach-at91/pm_slowclock.S
index 20018779bae7..556151e85ec4 100644
--- a/arch/arm/mach-at91/pm_slowclock.S
+++ b/arch/arm/mach-at91/pm_slowclock.S
@@ -17,15 +17,6 @@
17#include <mach/hardware.h> 17#include <mach/hardware.h>
18#include <mach/at91_ramc.h> 18#include <mach/at91_ramc.h>
19 19
20
21#ifdef CONFIG_SOC_AT91SAM9263
22/*
23 * FIXME either or both the SDRAM controllers (EB0, EB1) might be in use;
24 * handle those cases both here and in the Suspend-To-RAM support.
25 */
26#warning Assuming EB1 SDRAM controller is *NOT* used
27#endif
28
29/* 20/*
30 * When SLOWDOWN_MASTER_CLOCK is defined we will also slow down the Master 21 * When SLOWDOWN_MASTER_CLOCK is defined we will also slow down the Master
31 * clock during suspend by adjusting its prescalar and divisor. 22 * clock during suspend by adjusting its prescalar and divisor.
diff --git a/arch/arm/mach-at91/sama5d3.c b/arch/arm/mach-at91/sama5d3.c
index 3d775d08de08..b7c64ca7107f 100644
--- a/arch/arm/mach-at91/sama5d3.c
+++ b/arch/arm/mach-at91/sama5d3.c
@@ -25,17 +25,5 @@
25 * AT91SAM9x5 processor initialization 25 * AT91SAM9x5 processor initialization
26 * -------------------------------------------------------------------- */ 26 * -------------------------------------------------------------------- */
27 27
28static void __init sama5d3_map_io(void)
29{
30 at91_init_sram(0, SAMA5D3_SRAM_BASE, SAMA5D3_SRAM_SIZE);
31}
32
33static void __init sama5d3_initialize(void)
34{
35 at91_sysirq_mask_rtc(SAMA5D3_BASE_RTC);
36}
37
38AT91_SOC_START(sama5d3) 28AT91_SOC_START(sama5d3)
39 .map_io = sama5d3_map_io,
40 .init = sama5d3_initialize,
41AT91_SOC_END 29AT91_SOC_END
diff --git a/arch/arm/mach-at91/sama5d4.c b/arch/arm/mach-at91/sama5d4.c
index 7638509639f4..fa127fb79221 100644
--- a/arch/arm/mach-at91/sama5d4.c
+++ b/arch/arm/mach-at91/sama5d4.c
@@ -56,7 +56,6 @@ static struct map_desc at91_io_desc[] __initdata = {
56static void __init sama5d4_map_io(void) 56static void __init sama5d4_map_io(void)
57{ 57{
58 iotable_init(at91_io_desc, ARRAY_SIZE(at91_io_desc)); 58 iotable_init(at91_io_desc, ARRAY_SIZE(at91_io_desc));
59 at91_init_sram(0, SAMA5D4_NS_SRAM_BASE, SAMA5D4_NS_SRAM_SIZE);
60} 59}
61 60
62AT91_SOC_START(sama5d4) 61AT91_SOC_START(sama5d4)
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index ce25e85720fb..4c184285d38f 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -31,40 +31,9 @@ struct at91_init_soc __initdata at91_boot_soc;
31struct at91_socinfo at91_soc_initdata; 31struct at91_socinfo at91_soc_initdata;
32EXPORT_SYMBOL(at91_soc_initdata); 32EXPORT_SYMBOL(at91_soc_initdata);
33 33
34void __init at91rm9200_set_type(int type)
35{
36 if (type == ARCH_REVISON_9200_PQFP)
37 at91_soc_initdata.subtype = AT91_SOC_RM9200_PQFP;
38 else
39 at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA;
40
41 pr_info("filled in soc subtype: %s\n",
42 at91_get_soc_subtype(&at91_soc_initdata));
43}
44
45void __iomem *at91_ramc_base[2]; 34void __iomem *at91_ramc_base[2];
46EXPORT_SYMBOL_GPL(at91_ramc_base); 35EXPORT_SYMBOL_GPL(at91_ramc_base);
47 36
48static struct map_desc sram_desc[2] __initdata;
49
50void __init at91_init_sram(int bank, unsigned long base, unsigned int length)
51{
52 struct map_desc *desc = &sram_desc[bank];
53
54 desc->virtual = (unsigned long)AT91_IO_VIRT_BASE - length;
55 if (bank > 0)
56 desc->virtual -= sram_desc[bank - 1].length;
57
58 desc->pfn = __phys_to_pfn(base);
59 desc->length = length;
60 desc->type = MT_MEMORY_RWX_NONCACHED;
61
62 pr_info("sram at 0x%lx of 0x%x mapped at 0x%lx\n",
63 base, length, desc->virtual);
64
65 iotable_init(desc, 1);
66}
67
68static struct map_desc at91_io_desc __initdata __maybe_unused = { 37static struct map_desc at91_io_desc __initdata __maybe_unused = {
69 .virtual = (unsigned long)AT91_VA_BASE_SYS, 38 .virtual = (unsigned long)AT91_VA_BASE_SYS,
70 .pfn = __phys_to_pfn(AT91_BASE_SYS), 39 .pfn = __phys_to_pfn(AT91_BASE_SYS),
@@ -429,13 +398,6 @@ static void at91_dt_ramc(void)
429 at91_pm_set_standby(standby); 398 at91_pm_set_standby(standby);
430} 399}
431 400
432void __init at91rm9200_dt_initialize(void)
433{
434 at91_dt_ramc();
435
436 at91_boot_soc.init();
437}
438
439void __init at91_dt_initialize(void) 401void __init at91_dt_initialize(void)
440{ 402{
441 at91_dt_ramc(); 403 at91_dt_ramc();
diff --git a/arch/arm/mach-at91/sysirq_mask.c b/arch/arm/mach-at91/sysirq_mask.c
deleted file mode 100644
index f8bc3511a8c8..000000000000
--- a/arch/arm/mach-at91/sysirq_mask.c
+++ /dev/null
@@ -1,75 +0,0 @@
1/*
2 * sysirq_mask.c - System-interrupt masking
3 *
4 * Copyright (C) 2013 Johan Hovold <jhovold@gmail.com>
5 *
6 * Functions to disable system interrupts from backup-powered peripherals.
7 *
8 * The RTC and RTT-peripherals are generally powered by backup power (VDDBU)
9 * and are not reset on wake-up, user, watchdog or software reset. This means
10 * that their interrupts may be enabled during early boot (e.g. after a user
11 * reset).
12 *
13 * As the RTC and RTT share the system-interrupt line with the PIT, an
14 * interrupt occurring before a handler has been installed would lead to the
15 * system interrupt being disabled and prevent the system from booting.
16 *
17 * This program is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License as published by
19 * the Free Software Foundation; either version 2 of the License, or
20 * (at your option) any later version.
21 */
22
23#include <linux/io.h>
24#include <mach/at91_rtt.h>
25
26#include "generic.h"
27
28#define AT91_RTC_IDR 0x24 /* Interrupt Disable Register */
29#define AT91_RTC_IMR 0x28 /* Interrupt Mask Register */
30#define AT91_RTC_IRQ_MASK 0x1f /* Available IRQs mask */
31
32void __init at91_sysirq_mask_rtc(u32 rtc_base)
33{
34 void __iomem *base;
35
36 base = ioremap(rtc_base, 64);
37 if (!base)
38 return;
39
40 /*
41 * sam9x5 SoCs have the following errata:
42 * "RTC: Interrupt Mask Register cannot be used
43 * Interrupt Mask Register read always returns 0."
44 *
45 * Hence we're not relying on IMR values to disable
46 * interrupts.
47 */
48 writel_relaxed(AT91_RTC_IRQ_MASK, base + AT91_RTC_IDR);
49 (void)readl_relaxed(base + AT91_RTC_IMR); /* flush */
50
51 iounmap(base);
52}
53
54void __init at91_sysirq_mask_rtt(u32 rtt_base)
55{
56 void __iomem *base;
57 void __iomem *reg;
58 u32 mode;
59
60 base = ioremap(rtt_base, 16);
61 if (!base)
62 return;
63
64 reg = base + AT91_RTT_MR;
65
66 mode = readl_relaxed(reg);
67 if (mode & (AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN)) {
68 pr_info("AT91: Disabling rtt irq\n");
69 mode &= ~(AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN);
70 writel_relaxed(mode, reg);
71 (void)readl_relaxed(reg); /* flush */
72 }
73
74 iounmap(base);
75}
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-27 10:27:15 -0500