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authorStefan Roese <sr@denx.de>2012-03-16 09:03:23 -0400
committerArnd Bergmann <arnd@arndb.de>2012-03-16 16:19:41 -0400
commit9652e8bd16e73f7a34cabf1ab114aaa5c97db660 (patch)
tree5dc349178f64ef83fe3f2aed87d475b733e513e6 /arch/arm
parentfde7d9049e55ab85a390be7f415d74c9f62dd0f9 (diff)
ARM: SPEAr600: Add device-tree support to SPEAr600 boards
This patch adds a generic target for SPEAr600 board that can be configured via the device-tree. Currently the following devices are supported via the devicetree: - VIC interrupts - PL011 UART - PL061 GPIO - Synopsys DW I2C - Synopsys DW ethernet Other peripheral devices (e.g. SMI flash, FSMC NAND flash etc) will follow in later patches. Only the spear600-evb is currently supported. Other SPEAr600 based boards will follow later. Since the current mainline SPEAr600 code only supports the SPEAr600 evaluation board, with nearly zero peripheral devices (only UART and GPIO), it makes sense to switch over to DT based configuration completely now. So this patch also removes all non-DT stuff, mainly platform device data. The files spear600.c and spear600_evb.c are removed completely. Signed-off-by: Stefan Roese <sr@denx.de> Acked-by: Viresh Kumar <viresh.kumar@st.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/spear600-evb.dts47
-rw-r--r--arch/arm/boot/dts/spear600.dtsi174
-rw-r--r--arch/arm/mach-spear6xx/Kconfig7
-rw-r--r--arch/arm/mach-spear6xx/Makefile6
-rw-r--r--arch/arm/mach-spear6xx/clock.c14
-rw-r--r--arch/arm/mach-spear6xx/spear600.c25
-rw-r--r--arch/arm/mach-spear6xx/spear600_evb.c54
-rw-r--r--arch/arm/mach-spear6xx/spear6xx.c132
8 files changed, 268 insertions, 191 deletions
diff --git a/arch/arm/boot/dts/spear600-evb.dts b/arch/arm/boot/dts/spear600-evb.dts
new file mode 100644
index 000000000000..636292e18c90
--- /dev/null
+++ b/arch/arm/boot/dts/spear600-evb.dts
@@ -0,0 +1,47 @@
1/*
2 * Copyright 2012 Stefan Roese <sr@denx.de>
3 *
4 * The code contained herein is licensed under the GNU General Public
5 * License. You may obtain a copy of the GNU General Public License
6 * Version 2 or later at the following locations:
7 *
8 * http://www.opensource.org/licenses/gpl-license.html
9 * http://www.gnu.org/copyleft/gpl.html
10 */
11
12/dts-v1/;
13/include/ "spear600.dtsi"
14
15/ {
16 model = "ST SPEAr600 Evaluation Board";
17 compatible = "st,spear600-evb", "st,spear600";
18 #address-cells = <1>;
19 #size-cells = <1>;
20
21 memory {
22 device_type = "memory";
23 reg = <0 0x10000000>;
24 };
25
26 ahb {
27 gmac: ethernet@e0800000 {
28 phy-mode = "gmii";
29 status = "okay";
30 };
31
32 apb {
33 serial@d0000000 {
34 status = "okay";
35 };
36
37 serial@d0080000 {
38 status = "okay";
39 };
40
41 i2c@d0200000 {
42 clock-frequency = <400000>;
43 status = "okay";
44 };
45 };
46 };
47};
diff --git a/arch/arm/boot/dts/spear600.dtsi b/arch/arm/boot/dts/spear600.dtsi
new file mode 100644
index 000000000000..ebe0885a2b98
--- /dev/null
+++ b/arch/arm/boot/dts/spear600.dtsi
@@ -0,0 +1,174 @@
1/*
2 * Copyright 2012 Stefan Roese <sr@denx.de>
3 *
4 * The code contained herein is licensed under the GNU General Public
5 * License. You may obtain a copy of the GNU General Public License
6 * Version 2 or later at the following locations:
7 *
8 * http://www.opensource.org/licenses/gpl-license.html
9 * http://www.gnu.org/copyleft/gpl.html
10 */
11
12/include/ "skeleton.dtsi"
13
14/ {
15 compatible = "st,spear600";
16
17 cpus {
18 cpu@0 {
19 compatible = "arm,arm926ejs";
20 };
21 };
22
23 memory {
24 device_type = "memory";
25 reg = <0 0x40000000>;
26 };
27
28 ahb {
29 #address-cells = <1>;
30 #size-cells = <1>;
31 compatible = "simple-bus";
32 ranges = <0xd0000000 0xd0000000 0x30000000>;
33
34 vic0: interrupt-controller@f1100000 {
35 compatible = "arm,pl190-vic";
36 interrupt-controller;
37 reg = <0xf1100000 0x1000>;
38 #interrupt-cells = <1>;
39 };
40
41 vic1: interrupt-controller@f1000000 {
42 compatible = "arm,pl190-vic";
43 interrupt-controller;
44 reg = <0xf1000000 0x1000>;
45 #interrupt-cells = <1>;
46 };
47
48 gmac: ethernet@e0800000 {
49 compatible = "st,spear600-gmac";
50 reg = <0xe0800000 0x8000>;
51 interrupt-parent = <&vic1>;
52 interrupts = <24 23>;
53 interrupt-names = "macirq", "eth_wake_irq";
54 status = "disabled";
55 };
56
57 fsmc: flash@d1800000 {
58 compatible = "st,spear600-fsmc-nand";
59 #address-cells = <1>;
60 #size-cells = <1>;
61 reg = <0xd1800000 0x1000 /* FSMC Register */
62 0xd2000000 0x4000>; /* NAND Base */
63 reg-names = "fsmc_regs", "nand_data";
64 st,ale-off = <0x20000>;
65 st,cle-off = <0x10000>;
66 status = "disabled";
67 };
68
69 smi: flash@fc000000 {
70 compatible = "st,spear600-smi";
71 #address-cells = <1>;
72 #size-cells = <1>;
73 reg = <0xfc000000 0x1000>;
74 interrupt-parent = <&vic1>;
75 interrupts = <12>;
76 status = "disabled";
77 };
78
79 ehci@e1800000 {
80 compatible = "st,spear600-ehci", "usb-ehci";
81 reg = <0xe1800000 0x1000>;
82 interrupt-parent = <&vic1>;
83 interrupts = <27>;
84 status = "disabled";
85 };
86
87 ehci@e2000000 {
88 compatible = "st,spear600-ehci", "usb-ehci";
89 reg = <0xe2000000 0x1000>;
90 interrupt-parent = <&vic1>;
91 interrupts = <29>;
92 status = "disabled";
93 };
94
95 ohci@e1900000 {
96 compatible = "st,spear600-ohci", "usb-ohci";
97 reg = <0xe1900000 0x1000>;
98 interrupt-parent = <&vic1>;
99 interrupts = <26>;
100 status = "disabled";
101 };
102
103 ohci@e2100000 {
104 compatible = "st,spear600-ohci", "usb-ohci";
105 reg = <0xe2100000 0x1000>;
106 interrupt-parent = <&vic1>;
107 interrupts = <28>;
108 status = "disabled";
109 };
110
111 apb {
112 #address-cells = <1>;
113 #size-cells = <1>;
114 compatible = "simple-bus";
115 ranges = <0xd0000000 0xd0000000 0x30000000>;
116
117 serial@d0000000 {
118 compatible = "arm,pl011", "arm,primecell";
119 reg = <0xd0000000 0x1000>;
120 interrupt-parent = <&vic0>;
121 interrupts = <24>;
122 status = "disabled";
123 };
124
125 serial@d0080000 {
126 compatible = "arm,pl011", "arm,primecell";
127 reg = <0xd0080000 0x1000>;
128 interrupt-parent = <&vic0>;
129 interrupts = <25>;
130 status = "disabled";
131 };
132
133 /* local/cpu GPIO */
134 gpio0: gpio@f0100000 {
135 #gpio-cells = <2>;
136 compatible = "arm,pl061", "arm,primecell";
137 gpio-controller;
138 reg = <0xf0100000 0x1000>;
139 interrupt-parent = <&vic0>;
140 interrupts = <18>;
141 };
142
143 /* basic GPIO */
144 gpio1: gpio@fc980000 {
145 #gpio-cells = <2>;
146 compatible = "arm,pl061", "arm,primecell";
147 gpio-controller;
148 reg = <0xfc980000 0x1000>;
149 interrupt-parent = <&vic1>;
150 interrupts = <19>;
151 };
152
153 /* appl GPIO */
154 gpio2: gpio@d8100000 {
155 #gpio-cells = <2>;
156 compatible = "arm,pl061", "arm,primecell";
157 gpio-controller;
158 reg = <0xd8100000 0x1000>;
159 interrupt-parent = <&vic1>;
160 interrupts = <4>;
161 };
162
163 i2c@d0200000 {
164 #address-cells = <1>;
165 #size-cells = <0>;
166 compatible = "snps,designware-i2c";
167 reg = <0xd0200000 0x1000>;
168 interrupt-parent = <&vic0>;
169 interrupts = <28>;
170 status = "disabled";
171 };
172 };
173 };
174};
diff --git a/arch/arm/mach-spear6xx/Kconfig b/arch/arm/mach-spear6xx/Kconfig
index ff4ae5ba00f1..fbe298bd1d92 100644
--- a/arch/arm/mach-spear6xx/Kconfig
+++ b/arch/arm/mach-spear6xx/Kconfig
@@ -5,11 +5,12 @@
5if ARCH_SPEAR6XX 5if ARCH_SPEAR6XX
6 6
7menu "SPEAr6xx Implementations" 7menu "SPEAr6xx Implementations"
8config BOARD_SPEAR600_EVB 8config BOARD_SPEAR600_DT
9 bool "SPEAr600 Evaluation Board" 9 bool "SPEAr600 generic board configured via device-tree"
10 select MACH_SPEAR600 10 select MACH_SPEAR600
11 select USE_OF
11 help 12 help
12 Supports ST SPEAr600 Evaluation Board 13 Supports ST SPEAr600 boards configured via the device-tree
13 14
14endmenu 15endmenu
15 16
diff --git a/arch/arm/mach-spear6xx/Makefile b/arch/arm/mach-spear6xx/Makefile
index cc1a4d82d459..76e5750552fc 100644
--- a/arch/arm/mach-spear6xx/Makefile
+++ b/arch/arm/mach-spear6xx/Makefile
@@ -4,9 +4,3 @@
4 4
5# common files 5# common files
6obj-y += clock.o spear6xx.o 6obj-y += clock.o spear6xx.o
7
8# spear600 specific files
9obj-$(CONFIG_MACH_SPEAR600) += spear600.o
10
11# spear600 boards files
12obj-$(CONFIG_BOARD_SPEAR600_EVB) += spear600_evb.o
diff --git a/arch/arm/mach-spear6xx/clock.c b/arch/arm/mach-spear6xx/clock.c
index ac70e0d88fef..358f2800f17b 100644
--- a/arch/arm/mach-spear6xx/clock.c
+++ b/arch/arm/mach-spear6xx/clock.c
@@ -641,8 +641,8 @@ static struct clk_lookup spear_clk_lookups[] = {
641 { .con_id = "gpt0_synth_clk", .clk = &gpt0_synth_clk}, 641 { .con_id = "gpt0_synth_clk", .clk = &gpt0_synth_clk},
642 { .con_id = "gpt2_synth_clk", .clk = &gpt2_synth_clk}, 642 { .con_id = "gpt2_synth_clk", .clk = &gpt2_synth_clk},
643 { .con_id = "gpt3_synth_clk", .clk = &gpt3_synth_clk}, 643 { .con_id = "gpt3_synth_clk", .clk = &gpt3_synth_clk},
644 { .dev_id = "uart0", .clk = &uart0_clk}, 644 { .dev_id = "d0000000.serial", .clk = &uart0_clk},
645 { .dev_id = "uart1", .clk = &uart1_clk}, 645 { .dev_id = "d0080000.serial", .clk = &uart1_clk},
646 { .dev_id = "firda", .clk = &firda_clk}, 646 { .dev_id = "firda", .clk = &firda_clk},
647 { .dev_id = "clcd", .clk = &clcd_clk}, 647 { .dev_id = "clcd", .clk = &clcd_clk},
648 { .dev_id = "gpt0", .clk = &gpt0_clk}, 648 { .dev_id = "gpt0", .clk = &gpt0_clk},
@@ -655,20 +655,20 @@ static struct clk_lookup spear_clk_lookups[] = {
655 { .con_id = "usbh.1_clk", .clk = &usbh1_clk}, 655 { .con_id = "usbh.1_clk", .clk = &usbh1_clk},
656 /* clock derived from ahb clk */ 656 /* clock derived from ahb clk */
657 { .con_id = "apb_clk", .clk = &apb_clk}, 657 { .con_id = "apb_clk", .clk = &apb_clk},
658 { .dev_id = "i2c_designware.0", .clk = &i2c_clk}, 658 { .dev_id = "d0200000.i2c", .clk = &i2c_clk},
659 { .dev_id = "dma", .clk = &dma_clk}, 659 { .dev_id = "dma", .clk = &dma_clk},
660 { .dev_id = "jpeg", .clk = &jpeg_clk}, 660 { .dev_id = "jpeg", .clk = &jpeg_clk},
661 { .dev_id = "gmac", .clk = &gmac_clk}, 661 { .dev_id = "gmac", .clk = &gmac_clk},
662 { .dev_id = "smi", .clk = &smi_clk}, 662 { .dev_id = "smi", .clk = &smi_clk},
663 { .con_id = "fsmc", .clk = &fsmc_clk}, 663 { .dev_id = "fsmc-nand", .clk = &fsmc_clk},
664 /* clock derived from apb clk */ 664 /* clock derived from apb clk */
665 { .dev_id = "adc", .clk = &adc_clk}, 665 { .dev_id = "adc", .clk = &adc_clk},
666 { .dev_id = "ssp-pl022.0", .clk = &ssp0_clk}, 666 { .dev_id = "ssp-pl022.0", .clk = &ssp0_clk},
667 { .dev_id = "ssp-pl022.1", .clk = &ssp1_clk}, 667 { .dev_id = "ssp-pl022.1", .clk = &ssp1_clk},
668 { .dev_id = "ssp-pl022.2", .clk = &ssp2_clk}, 668 { .dev_id = "ssp-pl022.2", .clk = &ssp2_clk},
669 { .dev_id = "gpio0", .clk = &gpio0_clk}, 669 { .dev_id = "f0100000.gpio", .clk = &gpio0_clk},
670 { .dev_id = "gpio1", .clk = &gpio1_clk}, 670 { .dev_id = "fc980000.gpio", .clk = &gpio1_clk},
671 { .dev_id = "gpio2", .clk = &gpio2_clk}, 671 { .dev_id = "d8100000.gpio", .clk = &gpio2_clk},
672}; 672};
673 673
674void __init spear6xx_clk_init(void) 674void __init spear6xx_clk_init(void)
diff --git a/arch/arm/mach-spear6xx/spear600.c b/arch/arm/mach-spear6xx/spear600.c
deleted file mode 100644
index d0e6eeae9b04..000000000000
--- a/arch/arm/mach-spear6xx/spear600.c
+++ /dev/null
@@ -1,25 +0,0 @@
1/*
2 * arch/arm/mach-spear6xx/spear600.c
3 *
4 * SPEAr600 machine source file
5 *
6 * Copyright (C) 2009 ST Microelectronics
7 * Rajeev Kumar<rajeev-dlh.kumar@st.com>
8 *
9 * This file is licensed under the terms of the GNU General Public
10 * License version 2. This program is licensed "as is" without any
11 * warranty of any kind, whether express or implied.
12 */
13
14#include <linux/ptrace.h>
15#include <asm/irq.h>
16#include <mach/generic.h>
17#include <mach/hardware.h>
18
19/* Add spear600 specific devices here */
20
21void __init spear600_init(void)
22{
23 /* call spear6xx family common init function */
24 spear6xx_init();
25}
diff --git a/arch/arm/mach-spear6xx/spear600_evb.c b/arch/arm/mach-spear6xx/spear600_evb.c
deleted file mode 100644
index c6e4254741cc..000000000000
--- a/arch/arm/mach-spear6xx/spear600_evb.c
+++ /dev/null
@@ -1,54 +0,0 @@
1/*
2 * arch/arm/mach-spear6xx/spear600_evb.c
3 *
4 * SPEAr600 evaluation board source file
5 *
6 * Copyright (C) 2009 ST Microelectronics
7 * Viresh Kumar<viresh.kumar@st.com>
8 *
9 * This file is licensed under the terms of the GNU General Public
10 * License version 2. This program is licensed "as is" without any
11 * warranty of any kind, whether express or implied.
12 */
13
14#include <asm/hardware/vic.h>
15#include <asm/mach/arch.h>
16#include <asm/mach-types.h>
17#include <mach/generic.h>
18#include <mach/hardware.h>
19
20static struct amba_device *amba_devs[] __initdata = {
21 &gpio_device[0],
22 &gpio_device[1],
23 &gpio_device[2],
24 &uart_device[0],
25 &uart_device[1],
26};
27
28static struct platform_device *plat_devs[] __initdata = {
29};
30
31static void __init spear600_evb_init(void)
32{
33 unsigned int i;
34
35 /* call spear600 machine init function */
36 spear600_init();
37
38 /* Add Platform Devices */
39 platform_add_devices(plat_devs, ARRAY_SIZE(plat_devs));
40
41 /* Add Amba Devices */
42 for (i = 0; i < ARRAY_SIZE(amba_devs); i++)
43 amba_device_register(amba_devs[i], &iomem_resource);
44}
45
46MACHINE_START(SPEAR600, "ST-SPEAR600-EVB")
47 .atag_offset = 0x100,
48 .map_io = spear6xx_map_io,
49 .init_irq = spear6xx_init_irq,
50 .handle_irq = vic_handle_irq,
51 .timer = &spear6xx_timer,
52 .init_machine = spear600_evb_init,
53 .restart = spear_restart,
54MACHINE_END
diff --git a/arch/arm/mach-spear6xx/spear6xx.c b/arch/arm/mach-spear6xx/spear6xx.c
index e0f6628c8b2c..2ed8b14c82c8 100644
--- a/arch/arm/mach-spear6xx/spear6xx.c
+++ b/arch/arm/mach-spear6xx/spear6xx.c
@@ -6,111 +6,21 @@
6 * Copyright (C) 2009 ST Microelectronics 6 * Copyright (C) 2009 ST Microelectronics
7 * Rajeev Kumar<rajeev-dlh.kumar@st.com> 7 * Rajeev Kumar<rajeev-dlh.kumar@st.com>
8 * 8 *
9 * Copyright 2012 Stefan Roese <sr@denx.de>
10 *
9 * This file is licensed under the terms of the GNU General Public 11 * This file is licensed under the terms of the GNU General Public
10 * License version 2. This program is licensed "as is" without any 12 * License version 2. This program is licensed "as is" without any
11 * warranty of any kind, whether express or implied. 13 * warranty of any kind, whether express or implied.
12 */ 14 */
13 15
14#include <linux/types.h> 16#include <linux/of.h>
15#include <linux/amba/pl061.h> 17#include <linux/of_address.h>
16#include <linux/ptrace.h> 18#include <linux/of_irq.h>
17#include <linux/io.h> 19#include <linux/of_platform.h>
18#include <asm/hardware/vic.h> 20#include <asm/hardware/vic.h>
19#include <asm/irq.h>
20#include <asm/mach/arch.h> 21#include <asm/mach/arch.h>
21#include <mach/generic.h> 22#include <mach/generic.h>
22#include <mach/hardware.h> 23#include <mach/hardware.h>
23#include <mach/irqs.h>
24
25/* Add spear6xx machines common devices here */
26/* uart device registration */
27struct amba_device uart_device[] = {
28 {
29 .dev = {
30 .init_name = "uart0",
31 },
32 .res = {
33 .start = SPEAR6XX_ICM1_UART0_BASE,
34 .end = SPEAR6XX_ICM1_UART0_BASE + SZ_4K - 1,
35 .flags = IORESOURCE_MEM,
36 },
37 .irq = {IRQ_UART_0, NO_IRQ},
38 }, {
39 .dev = {
40 .init_name = "uart1",
41 },
42 .res = {
43 .start = SPEAR6XX_ICM1_UART1_BASE,
44 .end = SPEAR6XX_ICM1_UART1_BASE + SZ_4K - 1,
45 .flags = IORESOURCE_MEM,
46 },
47 .irq = {IRQ_UART_1, NO_IRQ},
48 }
49};
50
51/* gpio device registration */
52static struct pl061_platform_data gpio_plat_data[] = {
53 {
54 .gpio_base = 0,
55 .irq_base = SPEAR_GPIO0_INT_BASE,
56 }, {
57 .gpio_base = 8,
58 .irq_base = SPEAR_GPIO1_INT_BASE,
59 }, {
60 .gpio_base = 16,
61 .irq_base = SPEAR_GPIO2_INT_BASE,
62 },
63};
64
65struct amba_device gpio_device[] = {
66 {
67 .dev = {
68 .init_name = "gpio0",
69 .platform_data = &gpio_plat_data[0],
70 },
71 .res = {
72 .start = SPEAR6XX_CPU_GPIO_BASE,
73 .end = SPEAR6XX_CPU_GPIO_BASE + SZ_4K - 1,
74 .flags = IORESOURCE_MEM,
75 },
76 .irq = {IRQ_LOCAL_GPIO, NO_IRQ},
77 }, {
78 .dev = {
79 .init_name = "gpio1",
80 .platform_data = &gpio_plat_data[1],
81 },
82 .res = {
83 .start = SPEAR6XX_ICM3_GPIO_BASE,
84 .end = SPEAR6XX_ICM3_GPIO_BASE + SZ_4K - 1,
85 .flags = IORESOURCE_MEM,
86 },
87 .irq = {IRQ_BASIC_GPIO, NO_IRQ},
88 }, {
89 .dev = {
90 .init_name = "gpio2",
91 .platform_data = &gpio_plat_data[2],
92 },
93 .res = {
94 .start = SPEAR6XX_ICM2_GPIO_BASE,
95 .end = SPEAR6XX_ICM2_GPIO_BASE + SZ_4K - 1,
96 .flags = IORESOURCE_MEM,
97 },
98 .irq = {IRQ_APPL_GPIO, NO_IRQ},
99 }
100};
101
102/* This will add devices, and do machine specific tasks */
103void __init spear6xx_init(void)
104{
105 /* nothing to do for now */
106}
107
108/* This will initialize vic */
109void __init spear6xx_init_irq(void)
110{
111 vic_init((void __iomem *)VA_SPEAR6XX_CPU_VIC_PRI_BASE, 0, ~0, 0);
112 vic_init((void __iomem *)VA_SPEAR6XX_CPU_VIC_SEC_BASE, 32, ~0, 0);
113}
114 24
115/* Following will create static virtual/physical mappings */ 25/* Following will create static virtual/physical mappings */
116static struct map_desc spear6xx_io_desc[] __initdata = { 26static struct map_desc spear6xx_io_desc[] __initdata = {
@@ -181,3 +91,33 @@ static void __init spear6xx_timer_init(void)
181struct sys_timer spear6xx_timer = { 91struct sys_timer spear6xx_timer = {
182 .init = spear6xx_timer_init, 92 .init = spear6xx_timer_init,
183}; 93};
94
95static void __init spear600_dt_init(void)
96{
97 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
98}
99
100static const char *spear600_dt_board_compat[] = {
101 "st,spear600",
102 NULL
103};
104
105static const struct of_device_id vic_of_match[] __initconst = {
106 { .compatible = "arm,pl190-vic", .data = vic_of_init, },
107 { /* Sentinel */ }
108};
109
110static void __init spear6xx_dt_init_irq(void)
111{
112 of_irq_init(vic_of_match);
113}
114
115DT_MACHINE_START(SPEAR600_DT, "ST SPEAr600 (Flattened Device Tree)")
116 .map_io = spear6xx_map_io,
117 .init_irq = spear6xx_dt_init_irq,
118 .handle_irq = vic_handle_irq,
119 .timer = &spear6xx_timer,
120 .init_machine = spear600_dt_init,
121 .restart = spear_restart,
122 .dt_compat = spear600_dt_board_compat,
123MACHINE_END
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-26 03:38:26 -0500