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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-14 16:42:43 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-14 16:42:43 -0400
commit2cf4d4514d5b43c1f3b64bd0ec8b9853bde8f1dc (patch)
treee35a625496acc6ac852846d40b8851186b9d1ac4 /arch/arm/plat-stmp3xxx/include
parent44b7532b8b464f606053562400719c9c21276037 (diff)
parentce53895a5d24e0ee19fb92f56c17323fb4c9ab27 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (417 commits) MAINTAINERS: EB110ATX is not ebsa110 MAINTAINERS: update Eric Miao's email address and status fb: add support of LCD display controller on pxa168/910 (base layer) [ARM] 5552/1: ep93xx get_uart_rate(): use EP93XX_SYSCON_PWRCNT and EP93XX_SYSCON_PWRCN [ARM] pxa/sharpsl_pm: zaurus needs generic pxa suspend/resume routines [ARM] 5544/1: Trust PrimeCell resource sizes [ARM] pxa/sharpsl_pm: cleanup of gpio-related code. [ARM] pxa/sharpsl_pm: drop set_irq_type calls [ARM] pxa/sharpsl_pm: merge pxa-specific code into generic one [ARM] pxa/sharpsl_pm: merge the two sharpsl_pm.c since it's now pxa specific [ARM] sa1100: remove unused collie_pm.c [ARM] pxa: fix the conflicting non-static declarations of global_gpios[] [ARM] 5550/1: Add default configure file for w90p910 platform [ARM] 5549/1: Add clock api for w90p910 platform. [ARM] 5548/1: Add gpio api for w90p910 platform [ARM] 5551/1: Add multi-function pin api for w90p910 platform. [ARM] Make ARM_VIC_NR depend on ARM_VIC [ARM] 5546/1: ARM PL022 SSP/SPI driver v3 ARM: OMAP4: SMP: Update defconfig for OMAP4430 ARM: OMAP4: SMP: Enable SMP support for OMAP4430 ...
Diffstat (limited to 'arch/arm/plat-stmp3xxx/include')
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/clkdev.h18
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/cputype.h33
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/debug-macro.S42
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/dma.h153
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/gpio.h28
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/gpmi.h12
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/hardware.h32
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/io.h25
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/memory.h22
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/mmc.h14
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/pinmux.h157
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/pins.h30
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/platform.h68
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/stmp3xxx.h54
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/system.h49
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/timex.h20
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/uncompress.h53
-rw-r--r--arch/arm/plat-stmp3xxx/include/mach/vmalloc.h12
18 files changed, 822 insertions, 0 deletions
diff --git a/arch/arm/plat-stmp3xxx/include/mach/clkdev.h b/arch/arm/plat-stmp3xxx/include/mach/clkdev.h
new file mode 100644
index 000000000000..f9c39772d7c5
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/clkdev.h
@@ -0,0 +1,18 @@
1/*
2 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
4 *
5 * The code contained herein is licensed under the GNU General Public
6 * License. You may obtain a copy of the GNU General Public License
7 * Version 2 or later at the following locations:
8 *
9 * http://www.opensource.org/licenses/gpl-license.html
10 * http://www.gnu.org/copyleft/gpl.html
11 */
12#ifndef __ASM_MACH_CLKDEV_H
13#define __ASM_MACH_CLKDEV_H
14
15#define __clk_get(clk) ({ 1; })
16#define __clk_put(clk) do { } while (0)
17
18#endif
diff --git a/arch/arm/plat-stmp3xxx/include/mach/cputype.h b/arch/arm/plat-stmp3xxx/include/mach/cputype.h
new file mode 100644
index 000000000000..b4e205b95f2c
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/cputype.h
@@ -0,0 +1,33 @@
1/*
2 * Freescale STMP37XX/STMP378X CPU type detection
3 *
4 * Embedded Alley Solutions, Inc <source@embeddedalley.com>
5 *
6 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
7 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
8 */
9
10/*
11 * The code contained herein is licensed under the GNU General Public
12 * License. You may obtain a copy of the GNU General Public License
13 * Version 2 or later at the following locations:
14 *
15 * http://www.opensource.org/licenses/gpl-license.html
16 * http://www.gnu.org/copyleft/gpl.html
17 */
18#ifndef __ASM_PLAT_CPU_H
19#define __ASM_PLAT_CPU_H
20
21#ifdef CONFIG_ARCH_STMP37XX
22#define cpu_is_stmp37xx() (1)
23#else
24#define cpu_is_stmp37xx() (0)
25#endif
26
27#ifdef CONFIG_ARCH_STMP378X
28#define cpu_is_stmp378x() (1)
29#else
30#define cpu_is_stmp378x() (0)
31#endif
32
33#endif /* __ASM_PLAT_CPU_H */
diff --git a/arch/arm/plat-stmp3xxx/include/mach/debug-macro.S b/arch/arm/plat-stmp3xxx/include/mach/debug-macro.S
new file mode 100644
index 000000000000..fb3b969bf0a2
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/debug-macro.S
@@ -0,0 +1,42 @@
1/*
2 * Debugging macro include header
3 *
4 * Embedded Alley Solutions, Inc <source@embeddedalley.com>
5 *
6 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
7 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
8 */
9
10/*
11 * The code contained herein is licensed under the GNU General Public
12 * License. You may obtain a copy of the GNU General Public License
13 * Version 2 or later at the following locations:
14 *
15 * http://www.opensource.org/licenses/gpl-license.html
16 * http://www.gnu.org/copyleft/gpl.html
17 */
18
19 .macro addruart,rx
20 mrc p15, 0, \rx, c1, c0
21 tst \rx, #1 @ MMU enabled?
22 moveq \rx, #0x80000000 @ physical base address
23 addeq \rx, \rx, #0x00070000
24 movne \rx, #0xf0000000 @ virtual base
25 addne \rx, \rx, #0x00070000
26 .endm
27
28 .macro senduart,rd,rx
29 strb \rd, [\rx, #0] @ data register at 0
30 .endm
31
32 .macro waituart,rd,rx
331001: ldr \rd, [\rx, #0x18] @ UARTFLG
34 tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full
35 bne 1001b
36 .endm
37
38 .macro busyuart,rd,rx
391001: ldr \rd, [\rx, #0x18] @ UARTFLG
40 tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy
41 bne 1001b
42 .endm
diff --git a/arch/arm/plat-stmp3xxx/include/mach/dma.h b/arch/arm/plat-stmp3xxx/include/mach/dma.h
new file mode 100644
index 000000000000..7c58557c6766
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/dma.h
@@ -0,0 +1,153 @@
1/*
2 * Freescale STMP37XX/STMP378X DMA helper interface
3 *
4 * Embedded Alley Solutions, Inc <source@embeddedalley.com>
5 *
6 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
7 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
8 */
9
10/*
11 * The code contained herein is licensed under the GNU General Public
12 * License. You may obtain a copy of the GNU General Public License
13 * Version 2 or later at the following locations:
14 *
15 * http://www.opensource.org/licenses/gpl-license.html
16 * http://www.gnu.org/copyleft/gpl.html
17 */
18#ifndef __ASM_PLAT_STMP3XXX_DMA_H
19#define __ASM_PLAT_STMP3XXX_DMA_H
20
21#include <linux/platform_device.h>
22#include <linux/dmapool.h>
23
24#if !defined(MAX_PIO_WORDS)
25#define MAX_PIO_WORDS (15)
26#endif
27
28#define STMP3XXX_BUS_APBH 0
29#define STMP3XXX_BUS_APBX 1
30#define STMP3XXX_DMA_MAX_CHANNEL 16
31#define STMP3XXX_DMA_BUS(dma) ((dma) / 16)
32#define STMP3XXX_DMA_CHANNEL(dma) ((dma) % 16)
33#define STMP3XXX_DMA(channel, bus) ((bus) * 16 + (channel))
34#define MAX_DMA_ADDRESS 0xffffffff
35#define MAX_DMA_CHANNELS 32
36
37struct stmp3xxx_dma_command {
38 u32 next;
39 u32 cmd;
40 union {
41 u32 buf_ptr;
42 u32 alternate;
43 };
44 u32 pio_words[MAX_PIO_WORDS];
45};
46
47struct stmp3xxx_dma_descriptor {
48 struct stmp3xxx_dma_command *command;
49 dma_addr_t handle;
50
51 /* The virtual address of the buffer pointer */
52 void *virtual_buf_ptr;
53 /* The next descriptor in a the DMA chain (optional) */
54 struct stmp3xxx_dma_descriptor *next_descr;
55};
56
57struct stmp37xx_circ_dma_chain {
58 unsigned total_count;
59 struct stmp3xxx_dma_descriptor *chain;
60
61 unsigned free_index;
62 unsigned free_count;
63 unsigned active_index;
64 unsigned active_count;
65 unsigned cooked_index;
66 unsigned cooked_count;
67
68 int bus;
69 unsigned channel;
70};
71
72static inline struct stmp3xxx_dma_descriptor
73 *stmp3xxx_dma_circ_get_free_head(struct stmp37xx_circ_dma_chain *chain)
74{
75 return &(chain->chain[chain->free_index]);
76}
77
78static inline struct stmp3xxx_dma_descriptor
79 *stmp3xxx_dma_circ_get_cooked_head(struct stmp37xx_circ_dma_chain *chain)
80{
81 return &(chain->chain[chain->cooked_index]);
82}
83
84int stmp3xxx_dma_request(int ch, struct device *dev, const char *name);
85int stmp3xxx_dma_release(int ch);
86int stmp3xxx_dma_allocate_command(int ch,
87 struct stmp3xxx_dma_descriptor *descriptor);
88int stmp3xxx_dma_free_command(int ch,
89 struct stmp3xxx_dma_descriptor *descriptor);
90void stmp3xxx_dma_continue(int channel, u32 semaphore);
91void stmp3xxx_dma_go(int ch, struct stmp3xxx_dma_descriptor *head,
92 u32 semaphore);
93int stmp3xxx_dma_running(int ch);
94int stmp3xxx_dma_make_chain(int ch, struct stmp37xx_circ_dma_chain *chain,
95 struct stmp3xxx_dma_descriptor descriptors[],
96 unsigned items);
97void stmp3xxx_dma_free_chain(struct stmp37xx_circ_dma_chain *chain);
98void stmp37xx_circ_clear_chain(struct stmp37xx_circ_dma_chain *chain);
99void stmp37xx_circ_advance_free(struct stmp37xx_circ_dma_chain *chain,
100 unsigned count);
101void stmp37xx_circ_advance_active(struct stmp37xx_circ_dma_chain *chain,
102 unsigned count);
103unsigned stmp37xx_circ_advance_cooked(struct stmp37xx_circ_dma_chain *chain);
104int stmp3xxx_dma_read_semaphore(int ch);
105void stmp3xxx_dma_init(void);
106void stmp3xxx_dma_set_alt_target(int ch, int target);
107void stmp3xxx_dma_suspend(void);
108void stmp3xxx_dma_resume(void);
109
110/*
111 * STMP37xx and STMP378x have different DMA control
112 * registers layout
113 */
114
115void stmp3xxx_arch_dma_freeze(int ch);
116void stmp3xxx_arch_dma_unfreeze(int ch);
117void stmp3xxx_arch_dma_reset_channel(int ch);
118void stmp3xxx_arch_dma_enable_interrupt(int ch);
119void stmp3xxx_arch_dma_clear_interrupt(int ch);
120int stmp3xxx_arch_dma_is_interrupt(int ch);
121
122static inline void stmp3xxx_dma_reset_channel(int ch)
123{
124 stmp3xxx_arch_dma_reset_channel(ch);
125}
126
127
128static inline void stmp3xxx_dma_freeze(int ch)
129{
130 stmp3xxx_arch_dma_freeze(ch);
131}
132
133static inline void stmp3xxx_dma_unfreeze(int ch)
134{
135 stmp3xxx_arch_dma_unfreeze(ch);
136}
137
138static inline void stmp3xxx_dma_enable_interrupt(int ch)
139{
140 stmp3xxx_arch_dma_enable_interrupt(ch);
141}
142
143static inline void stmp3xxx_dma_clear_interrupt(int ch)
144{
145 stmp3xxx_arch_dma_clear_interrupt(ch);
146}
147
148static inline int stmp3xxx_dma_is_interrupt(int ch)
149{
150 return stmp3xxx_arch_dma_is_interrupt(ch);
151}
152
153#endif /* __ASM_PLAT_STMP3XXX_DMA_H */
diff --git a/arch/arm/plat-stmp3xxx/include/mach/gpio.h b/arch/arm/plat-stmp3xxx/include/mach/gpio.h
new file mode 100644
index 000000000000..a8b579256170
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/gpio.h
@@ -0,0 +1,28 @@
1/*
2 * Freescale STMP37XX/STMP378X GPIO interface
3 *
4 * Embedded Alley Solutions, Inc <source@embeddedalley.com>
5 *
6 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
7 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
8 */
9
10/*
11 * The code contained herein is licensed under the GNU General Public
12 * License. You may obtain a copy of the GNU General Public License
13 * Version 2 or later at the following locations:
14 *
15 * http://www.opensource.org/licenses/gpl-license.html
16 * http://www.gnu.org/copyleft/gpl.html
17 */
18#ifndef __ASM_PLAT_GPIO_H
19#define __ASM_PLAT_GPIO_H
20
21#define ARCH_NR_GPIOS (32 * 3)
22#define gpio_to_irq(gpio) __gpio_to_irq(gpio)
23#define gpio_get_value(gpio) __gpio_get_value(gpio)
24#define gpio_set_value(gpio, value) __gpio_set_value(gpio, value)
25
26#include <asm-generic/gpio.h>
27
28#endif /* __ASM_PLAT_GPIO_H */
diff --git a/arch/arm/plat-stmp3xxx/include/mach/gpmi.h b/arch/arm/plat-stmp3xxx/include/mach/gpmi.h
new file mode 100644
index 000000000000..e166432910ad
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/gpmi.h
@@ -0,0 +1,12 @@
1#ifndef __MACH_GPMI_H
2
3#include <linux/mtd/partitions.h>
4#include <mach/regs-gpmi.h>
5
6struct gpmi_platform_data {
7 void *pins;
8 int nr_parts;
9 struct mtd_partition *parts;
10 const char *part_types[];
11};
12#endif
diff --git a/arch/arm/plat-stmp3xxx/include/mach/hardware.h b/arch/arm/plat-stmp3xxx/include/mach/hardware.h
new file mode 100644
index 000000000000..47b8978405bc
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/hardware.h
@@ -0,0 +1,32 @@
1/*
2 * This file contains the hardware definitions of the Freescale STMP3XXX
3 *
4 * Copyright (C) 2005 Sigmatel Inc
5 *
6 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
7 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
8 */
9
10/*
11 * The code contained herein is licensed under the GNU General Public
12 * License. You may obtain a copy of the GNU General Public License
13 * Version 2 or later at the following locations:
14 *
15 * http://www.opensource.org/licenses/gpl-license.html
16 * http://www.gnu.org/copyleft/gpl.html
17 */
18#ifndef __ASM_ARCH_HARDWARE_H
19#define __ASM_ARCH_HARDWARE_H
20
21/*
22 * Where in virtual memory the IO devices (timers, system controllers
23 * and so on)
24 */
25#define IO_BASE 0xF0000000 /* VA of IO */
26#define IO_SIZE 0x00100000 /* How much? */
27#define IO_START 0x80000000 /* PA of IO */
28
29/* macro to get at IO space when running virtually */
30#define IO_ADDRESS(x) (((x) & 0x000fffff) | IO_BASE)
31
32#endif
diff --git a/arch/arm/plat-stmp3xxx/include/mach/io.h b/arch/arm/plat-stmp3xxx/include/mach/io.h
new file mode 100644
index 000000000000..d08b1b7f3d1c
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/io.h
@@ -0,0 +1,25 @@
1/*
2 * Copyright (C) 2005 Sigmatel Inc
3 *
4 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
5 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
6 */
7
8/*
9 * The code contained herein is licensed under the GNU General Public
10 * License. You may obtain a copy of the GNU General Public License
11 * Version 2 or later at the following locations:
12 *
13 * http://www.opensource.org/licenses/gpl-license.html
14 * http://www.gnu.org/copyleft/gpl.html
15 */
16#ifndef __ASM_ARM_ARCH_IO_H
17#define __ASM_ARM_ARCH_IO_H
18
19#define IO_SPACE_LIMIT 0xffffffff
20
21#define __io(a) __typesafe_io(a)
22#define __mem_pci(a) (a)
23#define __mem_isa(a) (a)
24
25#endif
diff --git a/arch/arm/plat-stmp3xxx/include/mach/memory.h b/arch/arm/plat-stmp3xxx/include/mach/memory.h
new file mode 100644
index 000000000000..7b875a07a1a7
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/memory.h
@@ -0,0 +1,22 @@
1/*
2 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
4 */
5
6/*
7 * The code contained herein is licensed under the GNU General Public
8 * License. You may obtain a copy of the GNU General Public License
9 * Version 2 or later at the following locations:
10 *
11 * http://www.opensource.org/licenses/gpl-license.html
12 * http://www.gnu.org/copyleft/gpl.html
13 */
14#ifndef __ASM_ARCH_MEMORY_H
15#define __ASM_ARCH_MEMORY_H
16
17/*
18 * Physical DRAM offset.
19 */
20#define PHYS_OFFSET UL(0x40000000)
21
22#endif
diff --git a/arch/arm/plat-stmp3xxx/include/mach/mmc.h b/arch/arm/plat-stmp3xxx/include/mach/mmc.h
new file mode 100644
index 000000000000..ba81e1543761
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/mmc.h
@@ -0,0 +1,14 @@
1#ifndef _MACH_MMC_H
2#define _MACH_MMC_H
3
4#include <mach/regs-ssp.h>
5
6struct stmp3xxxmmc_platform_data {
7 int (*get_wp)(void);
8 unsigned long (*setclock)(void __iomem *base, unsigned long);
9 void (*cmd_pullup)(int);
10 int (*hw_init)(void);
11 void (*hw_release)(void);
12};
13
14#endif
diff --git a/arch/arm/plat-stmp3xxx/include/mach/pinmux.h b/arch/arm/plat-stmp3xxx/include/mach/pinmux.h
new file mode 100644
index 000000000000..cc5af82279ad
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/pinmux.h
@@ -0,0 +1,157 @@
1/*
2 * Freescale STMP37XX/STMP378X Pin Multiplexing
3 *
4 * Author: Vladislav Buzov <vbuzov@embeddedalley.com>
5 *
6 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
7 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
8 */
9
10/*
11 * The code contained herein is licensed under the GNU General Public
12 * License. You may obtain a copy of the GNU General Public License
13 * Version 2 or later at the following locations:
14 *
15 * http://www.opensource.org/licenses/gpl-license.html
16 * http://www.gnu.org/copyleft/gpl.html
17 */
18#ifndef __PINMUX_H
19#define __PINMUX_H
20
21#include <linux/spinlock.h>
22#include <linux/types.h>
23#include <linux/gpio.h>
24#include <asm-generic/gpio.h>
25
26/* Pin definitions */
27#include "pins.h"
28#include <mach/pins.h>
29
30/*
31 * Each pin may be routed up to four different HW interfaces
32 * including GPIO
33 */
34enum pin_fun {
35 PIN_FUN1 = 0,
36 PIN_FUN2,
37 PIN_FUN3,
38 PIN_GPIO,
39};
40
41/*
42 * Each pin may have different output drive strength in range from
43 * 4mA to 20mA. The most common case is 4, 8 and 12 mA strengths.
44 */
45enum pin_strength {
46 PIN_4MA = 0,
47 PIN_8MA,
48 PIN_12MA,
49 PIN_16MA,
50 PIN_20MA,
51};
52
53/*
54 * Each pin can be programmed for 1.8V or 3.3V
55 */
56enum pin_voltage {
57 PIN_1_8V = 0,
58 PIN_3_3V,
59};
60
61/*
62 * Structure to define a group of pins and their parameters
63 */
64struct pin_desc {
65 unsigned id;
66 enum pin_fun fun;
67 enum pin_strength strength;
68 enum pin_voltage voltage;
69 unsigned pullup:1;
70};
71
72struct pin_group {
73 struct pin_desc *pins;
74 int nr_pins;
75};
76
77/* Set pin drive strength */
78void stmp3xxx_pin_strength(unsigned id, enum pin_strength strength,
79 const char *label);
80
81/* Set pin voltage */
82void stmp3xxx_pin_voltage(unsigned id, enum pin_voltage voltage,
83 const char *label);
84
85/* Enable pull-up resistor for a pin */
86void stmp3xxx_pin_pullup(unsigned id, int enable, const char *label);
87
88/*
89 * Request a pin ownership, only one module (identified by @label)
90 * may own a pin.
91 */
92int stmp3xxx_request_pin(unsigned id, enum pin_fun fun, const char *label);
93
94/* Release pin */
95void stmp3xxx_release_pin(unsigned id, const char *label);
96
97void stmp3xxx_set_pin_type(unsigned id, enum pin_fun fun);
98
99/*
100 * Each bank is associated with a number of registers to control
101 * pin function, drive strength, voltage and pull-up reigster. The
102 * number of registers of a given type depends on the number of bits
103 * describin particular pin.
104 */
105#define HW_MUXSEL_NUM 2 /* registers per bank */
106#define HW_MUXSEL_PIN_LEN 2 /* bits per pin */
107#define HW_MUXSEL_PIN_NUM 16 /* pins per register */
108#define HW_MUXSEL_PINFUN_MASK 0x3 /* pin function mask */
109#define HW_MUXSEL_PINFUN_NUM 4 /* four options for a pin */
110
111#define HW_DRIVE_NUM 4 /* registers per bank */
112#define HW_DRIVE_PIN_LEN 4 /* bits per pin */
113#define HW_DRIVE_PIN_NUM 8 /* pins per register */
114#define HW_DRIVE_PINDRV_MASK 0x3 /* pin strength mask - 2 bits */
115#define HW_DRIVE_PINDRV_NUM 5 /* five possible strength values */
116#define HW_DRIVE_PINV_MASK 0x4 /* pin voltage mask - 1 bit */
117
118
119struct stmp3xxx_pinmux_bank {
120 struct gpio_chip chip;
121
122 /* Pins allocation map */
123 unsigned long pin_map;
124
125 /* Pin owner names */
126 const char *pin_labels[32];
127
128 /* Bank registers */
129 void __iomem *hw_muxsel[HW_MUXSEL_NUM];
130 void __iomem *hw_drive[HW_DRIVE_NUM];
131 void __iomem *hw_pull;
132
133 void __iomem *pin2irq,
134 *irqlevel,
135 *irqpolarity,
136 *irqen,
137 *irqstat;
138
139 /* HW MUXSEL register function bit values */
140 u8 functions[HW_MUXSEL_PINFUN_NUM];
141
142 /*
143 * HW DRIVE register strength bit values:
144 * 0xff - requested strength is not supported for this bank
145 */
146 u8 strengths[HW_DRIVE_PINDRV_NUM];
147
148 /* GPIO things */
149 void __iomem *hw_gpio_in,
150 *hw_gpio_out,
151 *hw_gpio_doe;
152 int irq, virq;
153};
154
155int __init stmp3xxx_pinmux_init(int virtual_irq_start);
156
157#endif /* __PINMUX_H */
diff --git a/arch/arm/plat-stmp3xxx/include/mach/pins.h b/arch/arm/plat-stmp3xxx/include/mach/pins.h
new file mode 100644
index 000000000000..c573318e1caa
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/pins.h
@@ -0,0 +1,30 @@
1/*
2 * Freescale STMP37XX/STMP378X Pin multiplexing interface definitions
3 *
4 * Author: Vladislav Buzov <vbuzov@embeddedalley.com>
5 *
6 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
7 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
8 */
9
10/*
11 * The code contained herein is licensed under the GNU General Public
12 * License. You may obtain a copy of the GNU General Public License
13 * Version 2 or later at the following locations:
14 *
15 * http://www.opensource.org/licenses/gpl-license.html
16 * http://www.gnu.org/copyleft/gpl.html
17 */
18#ifndef __ASM_PLAT_PINS_H
19#define __ASM_PLAT_PINS_H
20
21#define STMP3XXX_PINID(bank, pin) (bank * 32 + pin)
22#define STMP3XXX_PINID_TO_BANK(pinid) (pinid / 32)
23#define STMP3XXX_PINID_TO_PINNUM(pinid) (pinid % 32)
24
25/*
26 * Special invalid pin identificator to show a pin doesn't exist
27 */
28#define PINID_NO_PIN STMP3XXX_PINID(0xFF, 0xFF)
29
30#endif /* __ASM_PLAT_PINS_H */
diff --git a/arch/arm/plat-stmp3xxx/include/mach/platform.h b/arch/arm/plat-stmp3xxx/include/mach/platform.h
new file mode 100644
index 000000000000..7007ddaa91eb
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/platform.h
@@ -0,0 +1,68 @@
1/*
2 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
4 */
5
6/*
7 * The code contained herein is licensed under the GNU General Public
8 * License. You may obtain a copy of the GNU General Public License
9 * Version 2 or later at the following locations:
10 *
11 * http://www.opensource.org/licenses/gpl-license.html
12 * http://www.gnu.org/copyleft/gpl.html
13 */
14#ifndef __ASM_PLAT_PLATFORM_H
15#define __ASM_PLAT_PLATFORM_H
16
17#ifndef __ASSEMBLER__
18#include <linux/io.h>
19#endif
20#include <asm/sizes.h>
21
22/* Virtual address where registers are mapped */
23#define STMP3XXX_REGS_PHBASE 0x80000000
24#ifdef __ASSEMBLER__
25#define STMP3XXX_REGS_BASE 0xF0000000
26#else
27#define STMP3XXX_REGS_BASE (void __iomem *)0xF0000000
28#endif
29#define STMP3XXX_REGS_SIZE SZ_1M
30
31/* Virtual address where OCRAM is mapped */
32#define STMP3XXX_OCRAM_PHBASE 0x00000000
33#ifdef __ASSEMBLER__
34#define STMP3XXX_OCRAM_BASE 0xf1000000
35#else
36#define STMP3XXX_OCRAM_BASE (void __iomem *)0xf1000000
37#endif
38#define STMP3XXX_OCRAM_SIZE (32 * SZ_1K)
39
40#ifdef CONFIG_ARCH_STMP37XX
41#define IRQ_PRIORITY_REG_RD HW_ICOLL_PRIORITYn_RD
42#define IRQ_PRIORITY_REG_WR HW_ICOLL_PRIORITYn_WR
43#endif
44
45#ifdef CONFIG_ARCH_STMP378X
46#define IRQ_PRIORITY_REG_RD HW_ICOLL_INTERRUPTn_RD
47#define IRQ_PRIORITY_REG_WR HW_ICOLL_INTERRUPTn_WR
48#endif
49
50#define HW_STMP3XXX_SET 0x04
51#define HW_STMP3XXX_CLR 0x08
52#define HW_STMP3XXX_TOG 0x0c
53
54#ifndef __ASSEMBLER__
55static inline void stmp3xxx_clearl(u32 v, void __iomem *r)
56{
57 __raw_writel(v, r + HW_STMP3XXX_CLR);
58}
59
60static inline void stmp3xxx_setl(u32 v, void __iomem *r)
61{
62 __raw_writel(v, r + HW_STMP3XXX_SET);
63}
64#endif
65
66#define BF(value, field) (((value) << BP_##field) & BM_##field)
67
68#endif /* __ASM_ARCH_PLATFORM_H */
diff --git a/arch/arm/plat-stmp3xxx/include/mach/stmp3xxx.h b/arch/arm/plat-stmp3xxx/include/mach/stmp3xxx.h
new file mode 100644
index 000000000000..2e300feaa4cf
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/stmp3xxx.h
@@ -0,0 +1,54 @@
1/*
2 * Freescale STMP37XX/STMP378X core structure and function declarations
3 *
4 * Embedded Alley Solutions, Inc <source@embeddedalley.com>
5 *
6 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
7 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
8 */
9
10/*
11 * The code contained herein is licensed under the GNU General Public
12 * License. You may obtain a copy of the GNU General Public License
13 * Version 2 or later at the following locations:
14 *
15 * http://www.opensource.org/licenses/gpl-license.html
16 * http://www.gnu.org/copyleft/gpl.html
17 */
18#ifndef __ASM_PLAT_STMP3XXX_H
19#define __ASM_PLAT_STMP3XXX_H
20
21#include <linux/irq.h>
22
23extern struct sys_timer stmp3xxx_timer;
24
25void stmp3xxx_init_irq(struct irq_chip *chip);
26void stmp3xxx_init(void);
27int stmp3xxx_reset_block(void __iomem *hwreg, int just_enable);
28extern struct platform_device stmp3xxx_dbguart,
29 stmp3xxx_appuart,
30 stmp3xxx_watchdog,
31 stmp3xxx_touchscreen,
32 stmp3xxx_keyboard,
33 stmp3xxx_gpmi,
34 stmp3xxx_mmc,
35 stmp3xxx_udc,
36 stmp3xxx_ehci,
37 stmp3xxx_rtc,
38 stmp3xxx_spi1,
39 stmp3xxx_spi2,
40 stmp3xxx_backlight,
41 stmp3xxx_rotdec,
42 stmp3xxx_dcp,
43 stmp3xxx_dcp_bootstream,
44 stmp3xxx_persistent,
45 stmp3xxx_framebuffer,
46 stmp3xxx_battery;
47int stmp3xxx_ssp1_device_register(void);
48int stmp3xxx_ssp2_device_register(void);
49
50struct pin_group;
51void stmp3xxx_release_pin_group(struct pin_group *pin_group, const char *label);
52int stmp3xxx_request_pin_group(struct pin_group *pin_group, const char *label);
53
54#endif /* __ASM_PLAT_STMP3XXX_H */
diff --git a/arch/arm/plat-stmp3xxx/include/mach/system.h b/arch/arm/plat-stmp3xxx/include/mach/system.h
new file mode 100644
index 000000000000..28a988889319
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/system.h
@@ -0,0 +1,49 @@
1/*
2 * Copyright (C) 2005 Sigmatel Inc
3 *
4 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
5 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
6 */
7
8/*
9 * The code contained herein is licensed under the GNU General Public
10 * License. You may obtain a copy of the GNU General Public License
11 * Version 2 or later at the following locations:
12 *
13 * http://www.opensource.org/licenses/gpl-license.html
14 * http://www.gnu.org/copyleft/gpl.html
15 */
16#ifndef __ASM_ARCH_SYSTEM_H
17#define __ASM_ARCH_SYSTEM_H
18
19#include <asm/proc-fns.h>
20#include <mach/platform.h>
21#include <mach/regs-clkctrl.h>
22#include <mach/regs-power.h>
23
24static inline void arch_idle(void)
25{
26 /*
27 * This should do all the clock switching
28 * and wait for interrupt tricks
29 */
30
31 cpu_do_idle();
32}
33
34static inline void arch_reset(char mode, const char *cmd)
35{
36 /* Set BATTCHRG to default value */
37 __raw_writel(0x00010000, REGS_POWER_BASE + HW_POWER_CHARGE);
38
39 /* Set MINPWR to default value */
40 __raw_writel(0, REGS_POWER_BASE + HW_POWER_MINPWR);
41
42 /* Reset digital side of chip (but not power or RTC) */
43 __raw_writel(BM_CLKCTRL_RESET_DIG,
44 REGS_CLKCTRL_BASE + HW_CLKCTRL_RESET);
45
46 /* Should not return */
47}
48
49#endif
diff --git a/arch/arm/plat-stmp3xxx/include/mach/timex.h b/arch/arm/plat-stmp3xxx/include/mach/timex.h
new file mode 100644
index 000000000000..3373985d7a8e
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/timex.h
@@ -0,0 +1,20 @@
1/*
2 * Copyright (C) 1999 ARM Limited
3 *
4 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
5 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
6 */
7
8/*
9 * The code contained herein is licensed under the GNU General Public
10 * License. You may obtain a copy of the GNU General Public License
11 * Version 2 or later at the following locations:
12 *
13 * http://www.opensource.org/licenses/gpl-license.html
14 * http://www.gnu.org/copyleft/gpl.html
15 */
16
17/*
18 * System time clock is sourced from the 32k clock
19 */
20#define CLOCK_TICK_RATE (32768)
diff --git a/arch/arm/plat-stmp3xxx/include/mach/uncompress.h b/arch/arm/plat-stmp3xxx/include/mach/uncompress.h
new file mode 100644
index 000000000000..f79f5ee56cd4
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/uncompress.h
@@ -0,0 +1,53 @@
1/*
2 *
3 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
4 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
5 */
6
7/*
8 * The code contained herein is licensed under the GNU General Public
9 * License. You may obtain a copy of the GNU General Public License
10 * Version 2 or later at the following locations:
11 *
12 * http://www.opensource.org/licenses/gpl-license.html
13 * http://www.gnu.org/copyleft/gpl.html
14 */
15#ifndef __ASM_PLAT_UNCOMPRESS_H
16#define __ASM_PLAT_UNCOMPRESS_H
17
18/*
19 * Register includes are for when the MMU enabled; we need to define our
20 * own stuff here for pre-MMU use
21 */
22#define UARTDBG_BASE 0x80070000
23#define UART(c) (((volatile unsigned *)UARTDBG_BASE)[c])
24
25/*
26 * This does not append a newline
27 */
28static void putc(char c)
29{
30 /* Wait for TX fifo empty */
31 while ((UART(6) & (1<<7)) == 0)
32 continue;
33
34 /* Write byte */
35 UART(0) = c;
36
37 /* Wait for last bit to exit the UART */
38 while (UART(6) & (1<<3))
39 continue;
40}
41
42static void flush(void)
43{
44}
45
46/*
47 * nothing to do
48 */
49#define arch_decomp_setup()
50
51#define arch_decomp_wdog()
52
53#endif /* __ASM_PLAT_UNCOMPRESS_H */
diff --git a/arch/arm/plat-stmp3xxx/include/mach/vmalloc.h b/arch/arm/plat-stmp3xxx/include/mach/vmalloc.h
new file mode 100644
index 000000000000..541b880c1863
--- /dev/null
+++ b/arch/arm/plat-stmp3xxx/include/mach/vmalloc.h
@@ -0,0 +1,12 @@
1/*
2 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
4 *
5 * The code contained herein is licensed under the GNU General Public
6 * License. You may obtain a copy of the GNU General Public License
7 * Version 2 or later at the following locations:
8 *
9 * http://www.opensource.org/licenses/gpl-license.html
10 * http://www.gnu.org/copyleft/gpl.html
11 */
12#define VMALLOC_END (0xF0000000)