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-rw-r--r--arch/arm/mach-nomadik/Kconfig14
-rw-r--r--arch/arm/mach-nomadik/Makefile16
-rw-r--r--arch/arm/mach-nomadik/Makefile.boot4
-rw-r--r--arch/arm/mach-nomadik/board-nhk8815.c75
-rw-r--r--arch/arm/mach-nomadik/clock.c45
-rw-r--r--arch/arm/mach-nomadik/clock.h14
-rw-r--r--arch/arm/mach-nomadik/cpu-8815.c58
-rw-r--r--arch/arm/mach-nomadik/include/mach/clkdev.h7
-rw-r--r--arch/arm/mach-nomadik/include/mach/debug-macro.S22
-rw-r--r--arch/arm/mach-nomadik/include/mach/entry-macro.S43
-rw-r--r--arch/arm/mach-nomadik/include/mach/hardware.h90
-rw-r--r--arch/arm/mach-nomadik/include/mach/io.h22
-rw-r--r--arch/arm/mach-nomadik/include/mach/irqs.h82
-rw-r--r--arch/arm/mach-nomadik/include/mach/memory.h28
-rw-r--r--arch/arm/mach-nomadik/include/mach/mtu.h45
-rw-r--r--arch/arm/mach-nomadik/include/mach/setup.h22
-rw-r--r--arch/arm/mach-nomadik/include/mach/system.h45
-rw-r--r--arch/arm/mach-nomadik/include/mach/timex.h6
-rw-r--r--arch/arm/mach-nomadik/include/mach/uncompress.h63
-rw-r--r--arch/arm/mach-nomadik/include/mach/vmalloc.h2
-rw-r--r--arch/arm/mach-nomadik/timer.c164
21 files changed, 867 insertions, 0 deletions
diff --git a/arch/arm/mach-nomadik/Kconfig b/arch/arm/mach-nomadik/Kconfig
new file mode 100644
index 000000000000..abce23461061
--- /dev/null
+++ b/arch/arm/mach-nomadik/Kconfig
@@ -0,0 +1,14 @@
1if ARCH_NOMADIK
2
3menu "Nomadik boards"
4
5config MACH_NOMADIK_8815NHK
6 bool "ST 8815 Nomadik Hardware Kit (evaluation board)"
7 select NOMADIK_8815
8
9endmenu
10
11config NOMADIK_8815
12 bool
13
14endif
diff --git a/arch/arm/mach-nomadik/Makefile b/arch/arm/mach-nomadik/Makefile
new file mode 100644
index 000000000000..fa97769fe707
--- /dev/null
+++ b/arch/arm/mach-nomadik/Makefile
@@ -0,0 +1,16 @@
1#
2# Makefile for the linux kernel.
3#
4# Note! Dependencies are done automagically by 'make dep', which also
5# removes any old dependencies. DON'T put your own dependencies here
6# unless it's something special (ie not a .c file).
7
8# Object file lists.
9
10obj-y += clock.o timer.o
11
12# Cpu revision
13obj-$(CONFIG_NOMADIK_8815) += cpu-8815.o
14
15# Specific board support
16obj-$(CONFIG_MACH_NOMADIK_8815NHK) += board-nhk8815.o
diff --git a/arch/arm/mach-nomadik/Makefile.boot b/arch/arm/mach-nomadik/Makefile.boot
new file mode 100644
index 000000000000..c7e75acfe6c9
--- /dev/null
+++ b/arch/arm/mach-nomadik/Makefile.boot
@@ -0,0 +1,4 @@
1 zreladdr-y := 0x00008000
2params_phys-y := 0x00000100
3initrd_phys-y := 0x00800000
4
diff --git a/arch/arm/mach-nomadik/board-nhk8815.c b/arch/arm/mach-nomadik/board-nhk8815.c
new file mode 100644
index 000000000000..eebca614d36b
--- /dev/null
+++ b/arch/arm/mach-nomadik/board-nhk8815.c
@@ -0,0 +1,75 @@
1/*
2 * linux/arch/arm/mach-nomadik/board-8815nhk.c
3 *
4 * Copyright (C) STMicroelectronics
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 version 2, as
8 * published by the Free Software Foundation.
9 *
10 * NHK15 board specifc driver definition
11 */
12#include <linux/types.h>
13#include <linux/kernel.h>
14#include <linux/init.h>
15#include <linux/platform_device.h>
16#include <linux/amba/bus.h>
17#include <asm/mach-types.h>
18#include <asm/mach/arch.h>
19#include <asm/mach/irq.h>
20#include <mach/setup.h>
21#include "clock.h"
22
23#define __MEM_4K_RESOURCE(x) \
24 .res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM}
25
26static struct amba_device uart0_device = {
27 .dev = { .init_name = "uart0" },
28 __MEM_4K_RESOURCE(NOMADIK_UART0_BASE),
29 .irq = {IRQ_UART0, NO_IRQ},
30};
31
32static struct amba_device uart1_device = {
33 .dev = { .init_name = "uart1" },
34 __MEM_4K_RESOURCE(NOMADIK_UART1_BASE),
35 .irq = {IRQ_UART1, NO_IRQ},
36};
37
38static struct amba_device *amba_devs[] __initdata = {
39 &uart0_device,
40 &uart1_device,
41};
42
43/* We have a fixed clock alone, by now */
44static struct clk nhk8815_clk_48 = {
45 .rate = 48*1000*1000,
46};
47
48static struct platform_device *nhk8815_platform_devices[] __initdata = {
49 /* currently empty, will add keypad, touchscreen etc */
50};
51
52static void __init nhk8815_platform_init(void)
53{
54 int i;
55
56 cpu8815_platform_init();
57 platform_add_devices(nhk8815_platform_devices,
58 ARRAY_SIZE(nhk8815_platform_devices));
59
60 for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
61 nmdk_clk_create(&nhk8815_clk_48, amba_devs[i]->dev.init_name);
62 amba_device_register(amba_devs[i], &iomem_resource);
63 }
64}
65
66MACHINE_START(NOMADIK, "NHK8815")
67 /* Maintainer: ST MicroElectronics */
68 .phys_io = NOMADIK_UART0_BASE,
69 .io_pg_offst = (IO_ADDRESS(NOMADIK_UART0_BASE) >> 18) & 0xfffc,
70 .boot_params = 0x100,
71 .map_io = cpu8815_map_io,
72 .init_irq = cpu8815_init_irq,
73 .timer = &nomadik_timer,
74 .init_machine = nhk8815_platform_init,
75MACHINE_END
diff --git a/arch/arm/mach-nomadik/clock.c b/arch/arm/mach-nomadik/clock.c
new file mode 100644
index 000000000000..9f92502a0083
--- /dev/null
+++ b/arch/arm/mach-nomadik/clock.c
@@ -0,0 +1,45 @@
1/*
2 * linux/arch/arm/mach-nomadik/clock.c
3 *
4 * Copyright (C) 2009 Alessandro Rubini
5 */
6#include <linux/kernel.h>
7#include <linux/module.h>
8#include <linux/errno.h>
9#include <linux/clk.h>
10#include <asm/clkdev.h>
11#include "clock.h"
12
13/*
14 * The nomadik board uses generic clocks, but the serial pl011 file
15 * calls clk_enable(), clk_disable(), clk_get_rate(), so we provide them
16 */
17unsigned long clk_get_rate(struct clk *clk)
18{
19 return clk->rate;
20}
21EXPORT_SYMBOL(clk_get_rate);
22
23/* enable and disable do nothing */
24int clk_enable(struct clk *clk)
25{
26 return 0;
27}
28EXPORT_SYMBOL(clk_enable);
29
30void clk_disable(struct clk *clk)
31{
32}
33EXPORT_SYMBOL(clk_disable);
34
35/* Create a clock structure with the given name */
36int nmdk_clk_create(struct clk *clk, const char *dev_id)
37{
38 struct clk_lookup *clkdev;
39
40 clkdev = clkdev_alloc(clk, NULL, dev_id);
41 if (!clkdev)
42 return -ENOMEM;
43 clkdev_add(clkdev);
44 return 0;
45}
diff --git a/arch/arm/mach-nomadik/clock.h b/arch/arm/mach-nomadik/clock.h
new file mode 100644
index 000000000000..235faec7f627
--- /dev/null
+++ b/arch/arm/mach-nomadik/clock.h
@@ -0,0 +1,14 @@
1
2/*
3 * linux/arch/arm/mach-nomadik/clock.h
4 *
5 * Copyright (C) 2009 Alessandro Rubini
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11struct clk {
12 unsigned long rate;
13};
14extern int nmdk_clk_create(struct clk *clk, const char *dev_id);
diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c
new file mode 100644
index 000000000000..dec42da6956a
--- /dev/null
+++ b/arch/arm/mach-nomadik/cpu-8815.c
@@ -0,0 +1,58 @@
1/*
2 * Copyright STMicroelectronics, 2007.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18
19#include <linux/types.h>
20#include <linux/init.h>
21#include <linux/device.h>
22
23#include <mach/hardware.h>
24#include <mach/irqs.h>
25#include <asm/mach/map.h>
26#include <asm/hardware/vic.h>
27
28/* All SoC devices live in the same area (see hardware.h) */
29static struct map_desc nomadik_io_desc[] __initdata = {
30 {
31 .virtual = NOMADIK_IO_VIRTUAL,
32 .pfn = __phys_to_pfn(NOMADIK_IO_PHYSICAL),
33 .length = NOMADIK_IO_SIZE,
34 .type = MT_DEVICE,
35 }
36 /* static ram and secured ram may be added later */
37};
38
39void __init cpu8815_map_io(void)
40{
41 iotable_init(nomadik_io_desc, ARRAY_SIZE(nomadik_io_desc));
42}
43
44void __init cpu8815_init_irq(void)
45{
46 /* This modified VIC cell has two register blocks, at 0 and 0x20 */
47 vic_init(io_p2v(NOMADIK_IC_BASE + 0x00), IRQ_VIC_START + 0, ~0, 0);
48 vic_init(io_p2v(NOMADIK_IC_BASE + 0x20), IRQ_VIC_START + 32, ~0, 0);
49}
50
51/*
52 * This function is called from the board init ("init_machine").
53 * Currently nothing is done as we can't register amba devs so early.
54 */
55 void __init cpu8815_platform_init(void)
56{
57 return;
58}
diff --git a/arch/arm/mach-nomadik/include/mach/clkdev.h b/arch/arm/mach-nomadik/include/mach/clkdev.h
new file mode 100644
index 000000000000..04b37a89801c
--- /dev/null
+++ b/arch/arm/mach-nomadik/include/mach/clkdev.h
@@ -0,0 +1,7 @@
1#ifndef __ASM_MACH_CLKDEV_H
2#define __ASM_MACH_CLKDEV_H
3
4#define __clk_get(clk) ({ 1; })
5#define __clk_put(clk) do { } while (0)
6
7#endif
diff --git a/arch/arm/mach-nomadik/include/mach/debug-macro.S b/arch/arm/mach-nomadik/include/mach/debug-macro.S
new file mode 100644
index 000000000000..e876990e1569
--- /dev/null
+++ b/arch/arm/mach-nomadik/include/mach/debug-macro.S
@@ -0,0 +1,22 @@
1/*
2 * Debugging macro include header
3 *
4 * Copyright (C) 1994-1999 Russell King
5 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11*/
12
13 .macro addruart,rx
14 mrc p15, 0, \rx, c1, c0
15 tst \rx, #1 @ MMU enabled?
16 moveq \rx, #0x10000000 @ physical base address
17 movne \rx, #0xf0000000 @ virtual base
18 add \rx, \rx, #0x00100000
19 add \rx, \rx, #0x000fb000
20 .endm
21
22#include <asm/hardware/debug-pl01x.S>
diff --git a/arch/arm/mach-nomadik/include/mach/entry-macro.S b/arch/arm/mach-nomadik/include/mach/entry-macro.S
new file mode 100644
index 000000000000..49f1aa3bb420
--- /dev/null
+++ b/arch/arm/mach-nomadik/include/mach/entry-macro.S
@@ -0,0 +1,43 @@
1/*
2 * Low-level IRQ helper macros for Nomadik platforms
3 *
4 * This file is licensed under the terms of the GNU General Public
5 * License version 2. This program is licensed "as is" without any
6 * warranty of any kind, whether express or implied.
7 */
8
9#include <mach/hardware.h>
10#include <mach/irqs.h>
11
12 .macro disable_fiq
13 .endm
14
15 .macro get_irqnr_preamble, base, tmp
16 ldr \base, =IO_ADDRESS(NOMADIK_IC_BASE)
17 .endm
18
19 .macro arch_ret_to_user, tmp1, tmp2
20 .endm
21
22 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
23
24 /* This stanza gets the irq mask from one of two status registers */
25 mov \irqnr, #0
26 ldr \irqstat, [\base, #VIC_REG_IRQSR0] @ get masked status
27 cmp \irqstat, #0
28 bne 1001f
29 add \irqnr, \irqnr, #32
30 ldr \irqstat, [\base, #VIC_REG_IRQSR1] @ get masked status
31
321001: tst \irqstat, #15
33 bne 1002f
34 add \irqnr, \irqnr, #4
35 movs \irqstat, \irqstat, lsr #4
36 bne 1001b
371002: tst \irqstat, #1
38 bne 1003f
39 add \irqnr, \irqnr, #1
40 movs \irqstat, \irqstat, lsr #1
41 bne 1002b
421003: /* EQ will be set if no irqs pending */
43 .endm
diff --git a/arch/arm/mach-nomadik/include/mach/hardware.h b/arch/arm/mach-nomadik/include/mach/hardware.h
new file mode 100644
index 000000000000..6316dba3bfc8
--- /dev/null
+++ b/arch/arm/mach-nomadik/include/mach/hardware.h
@@ -0,0 +1,90 @@
1/*
2 * This file contains the hardware definitions of the Nomadik.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * YOU should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18#ifndef __ASM_ARCH_HARDWARE_H
19#define __ASM_ARCH_HARDWARE_H
20
21/* Nomadik registers live from 0x1000.0000 to 0x1023.0000 -- currently */
22#define NOMADIK_IO_VIRTUAL 0xF0000000 /* VA of IO */
23#define NOMADIK_IO_PHYSICAL 0x10000000 /* PA of IO */
24#define NOMADIK_IO_SIZE 0x00300000 /* 3MB for all regs */
25
26/* used in C code, so cast to proper type */
27#define io_p2v(x) ((void __iomem *)(x) \
28 - NOMADIK_IO_PHYSICAL + NOMADIK_IO_VIRTUAL)
29#define io_v2p(x) ((unsigned long)(x) \
30 - NOMADIK_IO_VIRTUAL + NOMADIK_IO_PHYSICAL)
31
32/* used in asm code, so no casts */
33#define IO_ADDRESS(x) ((x) - NOMADIK_IO_PHYSICAL + NOMADIK_IO_VIRTUAL)
34
35/*
36 * Base address defination for Nomadik Onchip Logic Block
37 */
38#define NOMADIK_FSMC_BASE 0x10100000 /* FSMC registers */
39#define NOMADIK_SDRAMC_BASE 0x10110000 /* SDRAM Controller */
40#define NOMADIK_CLCDC_BASE 0x10120000 /* CLCD Controller */
41#define NOMADIK_MDIF_BASE 0x10120000 /* MDIF */
42#define NOMADIK_DMA0_BASE 0x10130000 /* DMA0 Controller */
43#define NOMADIK_IC_BASE 0x10140000 /* Vectored Irq Controller */
44#define NOMADIK_DMA1_BASE 0x10150000 /* DMA1 Controller */
45#define NOMADIK_USB_BASE 0x10170000 /* USB-OTG conf reg base */
46#define NOMADIK_CRYP_BASE 0x10180000 /* Crypto processor */
47#define NOMADIK_SHA1_BASE 0x10190000 /* SHA-1 Processor */
48#define NOMADIK_XTI_BASE 0x101A0000 /* XTI */
49#define NOMADIK_RNG_BASE 0x101B0000 /* Random number generator */
50#define NOMADIK_SRC_BASE 0x101E0000 /* SRC base */
51#define NOMADIK_WDOG_BASE 0x101E1000 /* Watchdog */
52#define NOMADIK_MTU0_BASE 0x101E2000 /* Multiple Timer 0 */
53#define NOMADIK_MTU1_BASE 0x101E3000 /* Multiple Timer 1 */
54#define NOMADIK_GPIO0_BASE 0x101E4000 /* GPIO0 */
55#define NOMADIK_GPIO1_BASE 0x101E5000 /* GPIO1 */
56#define NOMADIK_GPIO2_BASE 0x101E6000 /* GPIO2 */
57#define NOMADIK_GPIO3_BASE 0x101E7000 /* GPIO3 */
58#define NOMADIK_RTC_BASE 0x101E8000 /* Real Time Clock base */
59#define NOMADIK_PMU_BASE 0x101E9000 /* Power Management Unit */
60#define NOMADIK_OWM_BASE 0x101EA000 /* One wire master */
61#define NOMADIK_SCR_BASE 0x101EF000 /* Secure Control registers */
62#define NOMADIK_MSP2_BASE 0x101F0000 /* MSP 2 interface */
63#define NOMADIK_MSP1_BASE 0x101F1000 /* MSP 1 interface */
64#define NOMADIK_UART2_BASE 0x101F2000 /* UART 2 interface */
65#define NOMADIK_SSIRx_BASE 0x101F3000 /* SSI 8-ch rx interface */
66#define NOMADIK_SSITx_BASE 0x101F4000 /* SSI 8-ch tx interface */
67#define NOMADIK_MSHC_BASE 0x101F5000 /* Memory Stick(Pro) Host */
68#define NOMADIK_SDI_BASE 0x101F6000 /* SD-card/MM-Card */
69#define NOMADIK_I2C1_BASE 0x101F7000 /* I2C1 interface */
70#define NOMADIK_I2C0_BASE 0x101F8000 /* I2C0 interface */
71#define NOMADIK_MSP0_BASE 0x101F9000 /* MSP 0 interface */
72#define NOMADIK_FIRDA_BASE 0x101FA000 /* FIrDA interface */
73#define NOMADIK_UART1_BASE 0x101FB000 /* UART 1 interface */
74#define NOMADIK_SSP_BASE 0x101FC000 /* SSP interface */
75#define NOMADIK_UART0_BASE 0x101FD000 /* UART 0 interface */
76#define NOMADIK_SGA_BASE 0x101FE000 /* SGA interface */
77#define NOMADIK_L2CC_BASE 0x10210000 /* L2 Cache controller */
78
79/* Other ranges, not for p2v/v2p */
80#define NOMADIK_BACKUP_RAM 0x80010000
81#define NOMADIK_EBROM 0x80000000 /* Embedded boot ROM */
82#define NOMADIK_HAMACV_DMEM_BASE 0xA0100000 /* HAMACV Data Memory Start */
83#define NOMADIK_HAMACV_DMEM_END 0xA01FFFFF /* HAMACV Data Memory End */
84#define NOMADIK_HAMACA_DMEM 0xA0200000 /* HAMACA Data Memory Space */
85
86#define NOMADIK_FSMC_VA IO_ADDRESS(NOMADIK_FSMC_BASE)
87#define NOMADIK_MTU0_VA IO_ADDRESS(NOMADIK_MTU0_BASE)
88#define NOMADIK_MTU1_VA IO_ADDRESS(NOMADIK_MTU1_BASE)
89
90#endif /* __ASM_ARCH_HARDWARE_H */
diff --git a/arch/arm/mach-nomadik/include/mach/io.h b/arch/arm/mach-nomadik/include/mach/io.h
new file mode 100644
index 000000000000..2e1eca1b8243
--- /dev/null
+++ b/arch/arm/mach-nomadik/include/mach/io.h
@@ -0,0 +1,22 @@
1/*
2 * arch/arm/mach-nomadik/include/mach/io.h (copied from mach-sa1100)
3 *
4 * Copyright (C) 1997-1999 Russell King
5 *
6 * Modifications:
7 * 06-12-1997 RMK Created.
8 * 07-04-1999 RMK Major cleanup
9 */
10#ifndef __ASM_ARM_ARCH_IO_H
11#define __ASM_ARM_ARCH_IO_H
12
13#define IO_SPACE_LIMIT 0xffffffff
14
15/*
16 * We don't actually have real ISA nor PCI buses, but there is so many
17 * drivers out there that might just work if we fake them...
18 */
19#define __io(a) __typesafe_io(a)
20#define __mem_pci(a) (a)
21
22#endif
diff --git a/arch/arm/mach-nomadik/include/mach/irqs.h b/arch/arm/mach-nomadik/include/mach/irqs.h
new file mode 100644
index 000000000000..8faabc560398
--- /dev/null
+++ b/arch/arm/mach-nomadik/include/mach/irqs.h
@@ -0,0 +1,82 @@
1/*
2 * mach-nomadik/include/mach/irqs.h
3 *
4 * Copyright (C) ST Microelectronics
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#ifndef __ASM_ARCH_IRQS_H
21#define __ASM_ARCH_IRQS_H
22
23#include <mach/hardware.h>
24
25#define IRQ_VIC_START 0 /* first VIC interrupt is 0 */
26
27/*
28 * Interrupt numbers generic for all Nomadik Chip cuts
29 */
30#define IRQ_WATCHDOG 0
31#define IRQ_SOFTINT 1
32#define IRQ_CRYPTO 2
33#define IRQ_OWM 3
34#define IRQ_MTU0 4
35#define IRQ_MTU1 5
36#define IRQ_GPIO0 6
37#define IRQ_GPIO1 7
38#define IRQ_GPIO2 8
39#define IRQ_GPIO3 9
40#define IRQ_RTC_RTT 10
41#define IRQ_SSP 11
42#define IRQ_UART0 12
43#define IRQ_DMA1 13
44#define IRQ_CLCD_MDIF 14
45#define IRQ_DMA0 15
46#define IRQ_PWRFAIL 16
47#define IRQ_UART1 17
48#define IRQ_FIRDA 18
49#define IRQ_MSP0 19
50#define IRQ_I2C0 20
51#define IRQ_I2C1 21
52#define IRQ_SDMMC 22
53#define IRQ_USBOTG 23
54#define IRQ_SVA_IT0 24
55#define IRQ_SVA_IT1 25
56#define IRQ_SAA_IT0 26
57#define IRQ_SAA_IT1 27
58#define IRQ_UART2 28
59#define IRQ_MSP2 31
60#define IRQ_L2CC 48
61#define IRQ_HPI 49
62#define IRQ_SKE 50
63#define IRQ_KP 51
64#define IRQ_MEMST 54
65#define IRQ_SGA_IT 58
66#define IRQ_USBM 60
67#define IRQ_MSP1 62
68
69#define NOMADIK_SOC_NR_IRQS 64
70
71/* After chip-specific IRQ numbers we have the GPIO ones */
72#define NOMADIK_NR_GPIO 128 /* last 4 not wired to pins */
73#define NOMADIK_GPIO_TO_IRQ(gpio) ((gpio) + NOMADIK_SOC_NR_IRQS)
74#define NOMADIK_IRQ_TO_GPIO(irq) ((irq) - NOMADIK_SOC_NR_IRQS)
75#define NR_IRQS NOMADIK_GPIO_TO_IRQ(NOMADIK_NR_GPIO)
76
77/* Following two are used by entry_macro.S, to access our dual-vic */
78#define VIC_REG_IRQSR0 0
79#define VIC_REG_IRQSR1 0x20
80
81#endif /* __ASM_ARCH_IRQS_H */
82
diff --git a/arch/arm/mach-nomadik/include/mach/memory.h b/arch/arm/mach-nomadik/include/mach/memory.h
new file mode 100644
index 000000000000..1e5689d98ecd
--- /dev/null
+++ b/arch/arm/mach-nomadik/include/mach/memory.h
@@ -0,0 +1,28 @@
1/*
2 * mach-nomadik/include/mach/memory.h
3 *
4 * Copyright (C) 1999 ARM Limited
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#ifndef __ASM_ARCH_MEMORY_H
21#define __ASM_ARCH_MEMORY_H
22
23/*
24 * Physical DRAM offset.
25 */
26#define PHYS_OFFSET UL(0x00000000)
27
28#endif
diff --git a/arch/arm/mach-nomadik/include/mach/mtu.h b/arch/arm/mach-nomadik/include/mach/mtu.h
new file mode 100644
index 000000000000..76da7f085330
--- /dev/null
+++ b/arch/arm/mach-nomadik/include/mach/mtu.h
@@ -0,0 +1,45 @@
1#ifndef __ASM_ARCH_MTU_H
2#define __ASM_ARCH_MTU_H
3
4/*
5 * The MTU device hosts four different counters, with 4 set of
6 * registers. These are register names.
7 */
8
9#define MTU_IMSC 0x00 /* Interrupt mask set/clear */
10#define MTU_RIS 0x04 /* Raw interrupt status */
11#define MTU_MIS 0x08 /* Masked interrupt status */
12#define MTU_ICR 0x0C /* Interrupt clear register */
13
14/* per-timer registers take 0..3 as argument */
15#define MTU_LR(x) (0x10 + 0x10 * (x) + 0x00) /* Load value */
16#define MTU_VAL(x) (0x10 + 0x10 * (x) + 0x04) /* Current value */
17#define MTU_CR(x) (0x10 + 0x10 * (x) + 0x08) /* Control reg */
18#define MTU_BGLR(x) (0x10 + 0x10 * (x) + 0x0c) /* At next overflow */
19
20/* bits for the control register */
21#define MTU_CRn_ENA 0x80
22#define MTU_CRn_PERIODIC 0x40 /* if 0 = free-running */
23#define MTU_CRn_PRESCALE_MASK 0x0c
24#define MTU_CRn_PRESCALE_1 0x00
25#define MTU_CRn_PRESCALE_16 0x04
26#define MTU_CRn_PRESCALE_256 0x08
27#define MTU_CRn_32BITS 0x02
28#define MTU_CRn_ONESHOT 0x01 /* if 0 = wraps reloading from BGLR*/
29
30/* Other registers are usual amba/primecell registers, currently not used */
31#define MTU_ITCR 0xff0
32#define MTU_ITOP 0xff4
33
34#define MTU_PERIPH_ID0 0xfe0
35#define MTU_PERIPH_ID1 0xfe4
36#define MTU_PERIPH_ID2 0xfe8
37#define MTU_PERIPH_ID3 0xfeC
38
39#define MTU_PCELL0 0xff0
40#define MTU_PCELL1 0xff4
41#define MTU_PCELL2 0xff8
42#define MTU_PCELL3 0xffC
43
44#endif /* __ASM_ARCH_MTU_H */
45
diff --git a/arch/arm/mach-nomadik/include/mach/setup.h b/arch/arm/mach-nomadik/include/mach/setup.h
new file mode 100644
index 000000000000..a4e468cf63da
--- /dev/null
+++ b/arch/arm/mach-nomadik/include/mach/setup.h
@@ -0,0 +1,22 @@
1
2/*
3 * These symbols are needed for board-specific files to call their
4 * own cpu-specific files
5 */
6
7#ifndef __ASM_ARCH_SETUP_H
8#define __ASM_ARCH_SETUP_H
9
10#include <asm/mach/time.h>
11#include <linux/init.h>
12
13#ifdef CONFIG_NOMADIK_8815
14
15extern void cpu8815_map_io(void);
16extern void cpu8815_platform_init(void);
17extern void cpu8815_init_irq(void);
18extern struct sys_timer nomadik_timer;
19
20#endif /* NOMADIK_8815 */
21
22#endif /* __ASM_ARCH_SETUP_H */
diff --git a/arch/arm/mach-nomadik/include/mach/system.h b/arch/arm/mach-nomadik/include/mach/system.h
new file mode 100644
index 000000000000..7119f688116e
--- /dev/null
+++ b/arch/arm/mach-nomadik/include/mach/system.h
@@ -0,0 +1,45 @@
1/*
2 * mach-nomadik/include/mach/system.h
3 *
4 * Copyright (C) 2008 STMicroelectronics
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#ifndef __ASM_ARCH_SYSTEM_H
21#define __ASM_ARCH_SYSTEM_H
22
23#include <linux/io.h>
24#include <mach/hardware.h>
25
26static inline void arch_idle(void)
27{
28 /*
29 * This should do all the clock switching
30 * and wait for interrupt tricks
31 */
32 cpu_do_idle();
33}
34
35static inline void arch_reset(char mode, const char *cmd)
36{
37 void __iomem *src_rstsr = io_p2v(NOMADIK_SRC_BASE + 0x18);
38
39 /* FIXME: use egpio when implemented */
40
41 /* Write anything to Reset status register */
42 writel(1, src_rstsr);
43}
44
45#endif
diff --git a/arch/arm/mach-nomadik/include/mach/timex.h b/arch/arm/mach-nomadik/include/mach/timex.h
new file mode 100644
index 000000000000..318b8896ce96
--- /dev/null
+++ b/arch/arm/mach-nomadik/include/mach/timex.h
@@ -0,0 +1,6 @@
1#ifndef __ASM_ARCH_TIMEX_H
2#define __ASM_ARCH_TIMEX_H
3
4#define CLOCK_TICK_RATE 2400000
5
6#endif
diff --git a/arch/arm/mach-nomadik/include/mach/uncompress.h b/arch/arm/mach-nomadik/include/mach/uncompress.h
new file mode 100644
index 000000000000..071003bc8456
--- /dev/null
+++ b/arch/arm/mach-nomadik/include/mach/uncompress.h
@@ -0,0 +1,63 @@
1/*
2 * Copyright (C) 2008 STMicroelectronics
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18
19#ifndef __ASM_ARCH_UNCOMPRESS_H
20#define __ASM_ARCH_UNCOMPRESS_H
21
22#include <asm/setup.h>
23#include <asm/io.h>
24#include <mach/hardware.h>
25
26/* we need the constants in amba/serial.h, but it refers to amba_device */
27struct amba_device;
28#include <linux/amba/serial.h>
29
30#define NOMADIK_UART_DR 0x101FB000
31#define NOMADIK_UART_LCRH 0x101FB02c
32#define NOMADIK_UART_CR 0x101FB030
33#define NOMADIK_UART_FR 0x101FB018
34
35static void putc(const char c)
36{
37 /* Do nothing if the UART is not enabled. */
38 if (!(readb(NOMADIK_UART_CR) & UART01x_CR_UARTEN))
39 return;
40
41 if (c == '\n')
42 putc('\r');
43
44 while (readb(NOMADIK_UART_FR) & UART01x_FR_TXFF)
45 barrier();
46 writeb(c, NOMADIK_UART_DR);
47}
48
49static void flush(void)
50{
51 if (!(readb(NOMADIK_UART_CR) & UART01x_CR_UARTEN))
52 return;
53 while (readb(NOMADIK_UART_FR) & UART01x_FR_BUSY)
54 barrier();
55}
56
57static inline void arch_decomp_setup(void)
58{
59}
60
61#define arch_decomp_wdog() /* nothing to do here */
62
63#endif /* __ASM_ARCH_UNCOMPRESS_H */
diff --git a/arch/arm/mach-nomadik/include/mach/vmalloc.h b/arch/arm/mach-nomadik/include/mach/vmalloc.h
new file mode 100644
index 000000000000..be12e31ea528
--- /dev/null
+++ b/arch/arm/mach-nomadik/include/mach/vmalloc.h
@@ -0,0 +1,2 @@
1
2#define VMALLOC_END 0xe8000000
diff --git a/arch/arm/mach-nomadik/timer.c b/arch/arm/mach-nomadik/timer.c
new file mode 100644
index 000000000000..d1738e7061d4
--- /dev/null
+++ b/arch/arm/mach-nomadik/timer.c
@@ -0,0 +1,164 @@
1/*
2 * linux/arch/arm/mach-nomadik/timer.c
3 *
4 * Copyright (C) 2008 STMicroelectronics
5 * Copyright (C) 2009 Alessandro Rubini, somewhat based on at91sam926x
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2, as
9 * published by the Free Software Foundation.
10 */
11#include <linux/init.h>
12#include <linux/interrupt.h>
13#include <linux/irq.h>
14#include <linux/io.h>
15#include <linux/clockchips.h>
16#include <linux/jiffies.h>
17#include <asm/mach/time.h>
18#include <mach/mtu.h>
19
20#define TIMER_CTRL 0x80 /* No divisor */
21#define TIMER_PERIODIC 0x40
22#define TIMER_SZ32BIT 0x02
23
24/* Initial value for SRC control register: all timers use MXTAL/8 source */
25#define SRC_CR_INIT_MASK 0x00007fff
26#define SRC_CR_INIT_VAL 0x2aaa8000
27
28static u32 nmdk_count; /* accumulated count */
29static u32 nmdk_cycle; /* write-once */
30static __iomem void *mtu_base;
31
32/*
33 * clocksource: the MTU device is a decrementing counters, so we negate
34 * the value being read.
35 */
36static cycle_t nmdk_read_timer(struct clocksource *cs)
37{
38 u32 count = readl(mtu_base + MTU_VAL(0));
39 return nmdk_count + nmdk_cycle - count;
40
41}
42
43static struct clocksource nmdk_clksrc = {
44 .name = "mtu_0",
45 .rating = 120,
46 .read = nmdk_read_timer,
47 .shift = 20,
48 .flags = CLOCK_SOURCE_IS_CONTINUOUS,
49};
50
51/*
52 * Clockevent device: currently only periodic mode is supported
53 */
54static void nmdk_clkevt_mode(enum clock_event_mode mode,
55 struct clock_event_device *dev)
56{
57 unsigned long flags;
58
59 switch (mode) {
60 case CLOCK_EVT_MODE_PERIODIC:
61 /* enable interrupts -- and count current value? */
62 raw_local_irq_save(flags);
63 writel(readl(mtu_base + MTU_IMSC) | 1, mtu_base + MTU_IMSC);
64 raw_local_irq_restore(flags);
65 break;
66 case CLOCK_EVT_MODE_ONESHOT:
67 BUG(); /* Not supported, yet */
68 /* FALLTHROUGH */
69 case CLOCK_EVT_MODE_SHUTDOWN:
70 case CLOCK_EVT_MODE_UNUSED:
71 /* disable irq */
72 raw_local_irq_save(flags);
73 writel(readl(mtu_base + MTU_IMSC) & ~1, mtu_base + MTU_IMSC);
74 raw_local_irq_restore(flags);
75 break;
76 case CLOCK_EVT_MODE_RESUME:
77 break;
78 }
79}
80
81static struct clock_event_device nmdk_clkevt = {
82 .name = "mtu_0",
83 .features = CLOCK_EVT_FEAT_PERIODIC,
84 .shift = 32,
85 .rating = 100,
86 .set_mode = nmdk_clkevt_mode,
87};
88
89/*
90 * IRQ Handler for the timer 0 of the MTU block. The irq is not shared
91 * as we are the only users of mtu0 by now.
92 */
93static irqreturn_t nmdk_timer_interrupt(int irq, void *dev_id)
94{
95 /* ack: "interrupt clear register" */
96 writel( 1 << 0, mtu_base + MTU_ICR);
97
98 /* we can't count lost ticks, unfortunately */
99 nmdk_count += nmdk_cycle;
100 nmdk_clkevt.event_handler(&nmdk_clkevt);
101
102 return IRQ_HANDLED;
103}
104
105/*
106 * Set up timer interrupt, and return the current time in seconds.
107 */
108static struct irqaction nmdk_timer_irq = {
109 .name = "Nomadik Timer Tick",
110 .flags = IRQF_DISABLED | IRQF_TIMER,
111 .handler = nmdk_timer_interrupt,
112};
113
114static void nmdk_timer_reset(void)
115{
116 u32 cr;
117
118 writel(0, mtu_base + MTU_CR(0)); /* off */
119
120 /* configure load and background-load, and fire it up */
121 writel(nmdk_cycle, mtu_base + MTU_LR(0));
122 writel(nmdk_cycle, mtu_base + MTU_BGLR(0));
123 cr = MTU_CRn_PERIODIC | MTU_CRn_PRESCALE_1 | MTU_CRn_32BITS;
124 writel(cr, mtu_base + MTU_CR(0));
125 writel(cr | MTU_CRn_ENA, mtu_base + MTU_CR(0));
126}
127
128static void __init nmdk_timer_init(void)
129{
130 u32 src_cr;
131 unsigned long rate;
132 int bits;
133
134 rate = CLOCK_TICK_RATE; /* 2.4MHz */
135 nmdk_cycle = (rate + HZ/2) / HZ;
136
137 /* Configure timer sources in "system reset controller" ctrl reg */
138 src_cr = readl(io_p2v(NOMADIK_SRC_BASE));
139 src_cr &= SRC_CR_INIT_MASK;
140 src_cr |= SRC_CR_INIT_VAL;
141 writel(src_cr, io_p2v(NOMADIK_SRC_BASE));
142
143 /* Save global pointer to mtu, used by functions above */
144 mtu_base = io_p2v(NOMADIK_MTU0_BASE);
145
146 /* Init the timer and register clocksource */
147 nmdk_timer_reset();
148
149 nmdk_clksrc.mult = clocksource_hz2mult(rate, nmdk_clksrc.shift);
150 bits = 8*sizeof(nmdk_count);
151 nmdk_clksrc.mask = CLOCKSOURCE_MASK(bits);
152
153 clocksource_register(&nmdk_clksrc);
154
155 /* Register irq and clockevents */
156 setup_irq(IRQ_MTU0, &nmdk_timer_irq);
157 nmdk_clkevt.mult = div_sc(rate, NSEC_PER_SEC, nmdk_clkevt.shift);
158 nmdk_clkevt.cpumask = cpumask_of(0);
159 clockevents_register_device(&nmdk_clkevt);
160}
161
162struct sys_timer nomadik_timer = {
163 .init = nmdk_timer_init,
164};
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-04 01:02:46 -0500