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authorAlessandro Rubini <rubini@gnudd.com>2009-07-02 14:06:47 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-07-02 16:20:44 -0400
commit28ad94ec61dc60207dbffdb95ff870c617fbb832 (patch)
tree4ee4d2fc06f98d70c0f7f803179b94638bc0e850 /arch
parent8c81b52422147b4b09f5adb8d0c6963342a336c6 (diff)
[ARM] 5590/1: Add basic support for ST Nomadik 8815 SoC and evaluation board
This patch adds the basic infrastructure for the Nomadik 8815 CPU and the "Nomadik Hardware Kit" NHK8815. This patch only includes the serial console and core stuff, no drivers. Signed-off-by: Alessandro Rubini <rubini@unipv.it> Acked-by: Andrea Gallo <andrea.gallo@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/Kconfig15
-rw-r--r--arch/arm/Makefile1
-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
23 files changed, 883 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index aef63c8e3d2d..d8cfd7065011 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -327,6 +327,19 @@ config ARCH_H720X
327 help 327 help
328 This enables support for systems based on the Hynix HMS720x 328 This enables support for systems based on the Hynix HMS720x
329 329
330config ARCH_NOMADIK
331 bool "STMicroelectronics Nomadik"
332 select ARM_AMBA
333 select ARM_VIC
334 select CPU_ARM926T
335 select HAVE_CLK
336 select COMMON_CLKDEV
337 select GENERIC_TIME
338 select GENERIC_CLOCKEVENTS
339
340 help
341 Support for the Nomadik platform by ST-Ericsson
342
330config ARCH_IOP13XX 343config ARCH_IOP13XX
331 bool "IOP13xx-based" 344 bool "IOP13xx-based"
332 depends on MMU 345 depends on MMU
@@ -716,6 +729,8 @@ source "arch/arm/mach-at91/Kconfig"
716 729
717source "arch/arm/plat-mxc/Kconfig" 730source "arch/arm/plat-mxc/Kconfig"
718 731
732source "arch/arm/mach-nomadik/Kconfig"
733
719source "arch/arm/mach-netx/Kconfig" 734source "arch/arm/mach-netx/Kconfig"
720 735
721source "arch/arm/mach-ns9xxx/Kconfig" 736source "arch/arm/mach-ns9xxx/Kconfig"
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index c877d6df23d1..97cca075d0f9 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -137,6 +137,7 @@ machine-$(CONFIG_ARCH_MX1) := mx1
137machine-$(CONFIG_ARCH_MX2) := mx2 137machine-$(CONFIG_ARCH_MX2) := mx2
138machine-$(CONFIG_ARCH_MX3) := mx3 138machine-$(CONFIG_ARCH_MX3) := mx3
139machine-$(CONFIG_ARCH_NETX) := netx 139machine-$(CONFIG_ARCH_NETX) := netx
140machine-$(CONFIG_ARCH_NOMADIK) := nomadik
140machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx 141machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx
141machine-$(CONFIG_ARCH_OMAP1) := omap1 142machine-$(CONFIG_ARCH_OMAP1) := omap1
142machine-$(CONFIG_ARCH_OMAP2) := omap2 143machine-$(CONFIG_ARCH_OMAP2) := omap2
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 2024-11-10 15:16:38 -0500