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-rw-r--r--arch/arm/mach-netx/Kconfig24
-rw-r--r--arch/arm/mach-netx/Makefile15
-rw-r--r--arch/arm/mach-netx/Makefile.boot2
-rw-r--r--arch/arm/mach-netx/fb.c114
-rw-r--r--arch/arm/mach-netx/fb.h24
-rw-r--r--arch/arm/mach-netx/generic.c193
-rw-r--r--arch/arm/mach-netx/generic.h24
-rw-r--r--arch/arm/mach-netx/nxdb500.c210
-rw-r--r--arch/arm/mach-netx/nxdkn.c103
-rw-r--r--arch/arm/mach-netx/nxeb500hmi.c187
-rw-r--r--arch/arm/mach-netx/pfifo.c68
-rw-r--r--arch/arm/mach-netx/time.c88
-rw-r--r--arch/arm/mach-netx/xc.c255
13 files changed, 1307 insertions, 0 deletions
diff --git a/arch/arm/mach-netx/Kconfig b/arch/arm/mach-netx/Kconfig
new file mode 100644
index 000000000000..3d90ef19be2b
--- /dev/null
+++ b/arch/arm/mach-netx/Kconfig
@@ -0,0 +1,24 @@
1menu "NetX Implementations"
2 depends on ARCH_NETX
3
4config MACH_NXDKN
5 bool "Enable Hilscher nxdkn Eval Board support"
6 depends on ARCH_NETX
7 help
8 Board support for the Hilscher NetX Eval Board
9
10config MACH_NXDB500
11 bool "Enable Hilscher nxdb500 Eval Board support"
12 depends on ARCH_NETX
13 select ARM_AMBA
14 help
15 Board support for the Hilscher nxdb500 Eval Board
16
17config MACH_NXEB500HMI
18 bool "Enable Hilscher nxeb500hmi Eval Board support"
19 depends on ARCH_NETX
20 select ARM_AMBA
21 help
22 Board support for the Hilscher nxeb500hmi Eval Board
23
24endmenu
diff --git a/arch/arm/mach-netx/Makefile b/arch/arm/mach-netx/Makefile
new file mode 100644
index 000000000000..18785ff37657
--- /dev/null
+++ b/arch/arm/mach-netx/Makefile
@@ -0,0 +1,15 @@
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 += time.o generic.o pfifo.o xc.o
11
12# Specific board support
13obj-$(CONFIG_MACH_NXDKN) += nxdkn.o
14obj-$(CONFIG_MACH_NXDB500) += nxdb500.o fb.o
15obj-$(CONFIG_MACH_NXEB500HMI) += nxeb500hmi.o fb.o
diff --git a/arch/arm/mach-netx/Makefile.boot b/arch/arm/mach-netx/Makefile.boot
new file mode 100644
index 000000000000..b81cf6aff0ac
--- /dev/null
+++ b/arch/arm/mach-netx/Makefile.boot
@@ -0,0 +1,2 @@
1 zreladdr-y := 0x80008000
2
diff --git a/arch/arm/mach-netx/fb.c b/arch/arm/mach-netx/fb.c
new file mode 100644
index 000000000000..ef0ab6115c0b
--- /dev/null
+++ b/arch/arm/mach-netx/fb.c
@@ -0,0 +1,114 @@
1/*
2 * arch/arm/mach-netx/fb.c
3 *
4 * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20#include <linux/device.h>
21#include <linux/init.h>
22#include <linux/dma-mapping.h>
23#include <linux/amba/bus.h>
24#include <linux/amba/clcd.h>
25
26#include <asm/arch/netx-regs.h>
27#include <asm/hardware.h>
28
29struct clk {};
30
31static struct clk fb_clk;
32
33static struct clcd_panel *netx_panel;
34
35void netx_clcd_enable(struct clcd_fb *fb)
36{
37}
38
39int netx_clcd_setup(struct clcd_fb *fb)
40{
41 dma_addr_t dma;
42
43 fb->panel = netx_panel;
44
45 fb->fb.screen_base = dma_alloc_writecombine(&fb->dev->dev, 1024*1024,
46 &dma, GFP_KERNEL);
47 if (!fb->fb.screen_base) {
48 printk(KERN_ERR "CLCD: unable to map framebuffer\n");
49 return -ENOMEM;
50 }
51
52 fb->fb.fix.smem_start = dma;
53 fb->fb.fix.smem_len = 1024*1024;
54
55 return 0;
56}
57
58int netx_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma)
59{
60 return dma_mmap_writecombine(&fb->dev->dev, vma,
61 fb->fb.screen_base,
62 fb->fb.fix.smem_start,
63 fb->fb.fix.smem_len);
64}
65
66void netx_clcd_remove(struct clcd_fb *fb)
67{
68 dma_free_writecombine(&fb->dev->dev, fb->fb.fix.smem_len,
69 fb->fb.screen_base, fb->fb.fix.smem_start);
70}
71
72void clk_disable(struct clk *clk)
73{
74}
75
76int clk_set_rate(struct clk *clk, unsigned long rate)
77{
78 return 0;
79}
80
81int clk_enable(struct clk *clk)
82{
83 return 0;
84}
85
86struct clk *clk_get(struct device *dev, const char *id)
87{
88 return &fb_clk;
89}
90
91void clk_put(struct clk *clk)
92{
93}
94
95static struct amba_device fb_device = {
96 .dev = {
97 .bus_id = "fb",
98 .coherent_dma_mask = ~0,
99 },
100 .res = {
101 .start = 0x00104000,
102 .end = 0x00104fff,
103 .flags = IORESOURCE_MEM,
104 },
105 .irq = { NETX_IRQ_LCD, NO_IRQ },
106 .periphid = 0x10112400,
107};
108
109int netx_fb_init(struct clcd_board *board, struct clcd_panel *panel)
110{
111 netx_panel = panel;
112 fb_device.dev.platform_data = board;
113 return amba_device_register(&fb_device, &iomem_resource);
114}
diff --git a/arch/arm/mach-netx/fb.h b/arch/arm/mach-netx/fb.h
new file mode 100644
index 000000000000..4919cf33a5f3
--- /dev/null
+++ b/arch/arm/mach-netx/fb.h
@@ -0,0 +1,24 @@
1/*
2 * arch/arm/mach-netx/fb.h
3 *
4 * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20void netx_clcd_enable(struct clcd_fb *fb);
21int netx_clcd_setup(struct clcd_fb *fb);
22int netx_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma);
23void netx_clcd_remove(struct clcd_fb *fb);
24int netx_fb_init(struct clcd_board *board, struct clcd_panel *panel);
diff --git a/arch/arm/mach-netx/generic.c b/arch/arm/mach-netx/generic.c
new file mode 100644
index 000000000000..af0b13534cfd
--- /dev/null
+++ b/arch/arm/mach-netx/generic.c
@@ -0,0 +1,193 @@
1/*
2 * arch/arm/mach-netx/generic.c
3 *
4 * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20#include <linux/device.h>
21#include <linux/init.h>
22#include <linux/kernel.h>
23#include <linux/module.h>
24#include <linux/platform_device.h>
25#include <asm/hardware.h>
26#include <asm/mach/map.h>
27#include <asm/hardware/vic.h>
28#include <asm/io.h>
29#include <asm/arch/netx-regs.h>
30#include <asm/mach/irq.h>
31
32static struct map_desc netx_io_desc[] __initdata = {
33 {
34 .virtual = NETX_IO_VIRT,
35 .pfn = __phys_to_pfn(NETX_IO_PHYS),
36 .length = NETX_IO_SIZE,
37 .type = MT_DEVICE
38 }
39};
40
41void __init netx_map_io(void)
42{
43 iotable_init(netx_io_desc, ARRAY_SIZE(netx_io_desc));
44}
45
46static struct resource netx_rtc_resources[] = {
47 [0] = {
48 .start = 0x00101200,
49 .end = 0x00101220,
50 .flags = IORESOURCE_MEM,
51 },
52};
53
54static struct platform_device netx_rtc_device = {
55 .name = "netx-rtc",
56 .id = 0,
57 .num_resources = ARRAY_SIZE(netx_rtc_resources),
58 .resource = netx_rtc_resources,
59};
60
61static struct platform_device *devices[] __initdata = {
62 &netx_rtc_device,
63};
64
65#if 0
66#define DEBUG_IRQ(fmt...) printk(fmt)
67#else
68#define DEBUG_IRQ(fmt...) while (0) {}
69#endif
70
71static void
72netx_hif_demux_handler(unsigned int irq_unused, struct irqdesc *desc,
73 struct pt_regs *regs)
74{
75 unsigned int irq = NETX_IRQ_HIF_CHAINED(0);
76 unsigned int stat;
77
78 stat = ((readl(NETX_DPMAS_INT_EN) &
79 readl(NETX_DPMAS_INT_STAT)) >> 24) & 0x1f;
80
81 desc = irq_desc + NETX_IRQ_HIF_CHAINED(0);
82
83 while (stat) {
84 if (stat & 1) {
85 DEBUG_IRQ("handling irq %d\n", irq);
86 desc_handle_irq(irq, desc, regs);
87 }
88 irq++;
89 desc++;
90 stat >>= 1;
91 }
92}
93
94static int
95netx_hif_irq_type(unsigned int _irq, unsigned int type)
96{
97 unsigned int val, irq;
98
99 val = readl(NETX_DPMAS_IF_CONF1);
100
101 irq = _irq - NETX_IRQ_HIF_CHAINED(0);
102
103 if (type & __IRQT_RISEDGE) {
104 DEBUG_IRQ("rising edges\n");
105 val |= (1 << 26) << irq;
106 }
107 if (type & __IRQT_FALEDGE) {
108 DEBUG_IRQ("falling edges\n");
109 val &= ~((1 << 26) << irq);
110 }
111 if (type & __IRQT_LOWLVL) {
112 DEBUG_IRQ("low level\n");
113 val &= ~((1 << 26) << irq);
114 }
115 if (type & __IRQT_HIGHLVL) {
116 DEBUG_IRQ("high level\n");
117 val |= (1 << 26) << irq;
118 }
119
120 writel(val, NETX_DPMAS_IF_CONF1);
121
122 return 0;
123}
124
125static void
126netx_hif_ack_irq(unsigned int _irq)
127{
128 unsigned int val, irq;
129
130 irq = _irq - NETX_IRQ_HIF_CHAINED(0);
131 writel((1 << 24) << irq, NETX_DPMAS_INT_STAT);
132
133 val = readl(NETX_DPMAS_INT_EN);
134 val &= ~((1 << 24) << irq);
135 writel(val, NETX_DPMAS_INT_EN);
136
137 DEBUG_IRQ("%s: irq %d\n", __FUNCTION__, _irq);
138}
139
140static void
141netx_hif_mask_irq(unsigned int _irq)
142{
143 unsigned int val, irq;
144
145 irq = _irq - NETX_IRQ_HIF_CHAINED(0);
146 val = readl(NETX_DPMAS_INT_EN);
147 val &= ~((1 << 24) << irq);
148 writel(val, NETX_DPMAS_INT_EN);
149 DEBUG_IRQ("%s: irq %d\n", __FUNCTION__, _irq);
150}
151
152static void
153netx_hif_unmask_irq(unsigned int _irq)
154{
155 unsigned int val, irq;
156
157 irq = _irq - NETX_IRQ_HIF_CHAINED(0);
158 val = readl(NETX_DPMAS_INT_EN);
159 val |= (1 << 24) << irq;
160 writel(val, NETX_DPMAS_INT_EN);
161 DEBUG_IRQ("%s: irq %d\n", __FUNCTION__, _irq);
162}
163
164static struct irqchip netx_hif_chip = {
165 .ack = netx_hif_ack_irq,
166 .mask = netx_hif_mask_irq,
167 .unmask = netx_hif_unmask_irq,
168 .set_type = netx_hif_irq_type,
169};
170
171void __init netx_init_irq(void)
172{
173 int irq;
174
175 vic_init(__io(io_p2v(NETX_PA_VIC)), 0, ~0);
176
177 for (irq = NETX_IRQ_HIF_CHAINED(0); irq <= NETX_IRQ_HIF_LAST; irq++) {
178 set_irq_chip(irq, &netx_hif_chip);
179 set_irq_handler(irq, do_level_IRQ);
180 set_irq_flags(irq, IRQF_VALID);
181 }
182
183 writel(NETX_DPMAS_INT_EN_GLB_EN, NETX_DPMAS_INT_EN);
184 set_irq_chained_handler(NETX_IRQ_HIF, netx_hif_demux_handler);
185}
186
187static int __init netx_init(void)
188{
189 return platform_add_devices(devices, ARRAY_SIZE(devices));
190}
191
192subsys_initcall(netx_init);
193
diff --git a/arch/arm/mach-netx/generic.h b/arch/arm/mach-netx/generic.h
new file mode 100644
index 000000000000..ede2d35341c3
--- /dev/null
+++ b/arch/arm/mach-netx/generic.h
@@ -0,0 +1,24 @@
1/*
2 * arch/arm/mach-netx/generic.h
3 *
4 * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20extern void __init netx_map_io(void);
21extern void __init netx_init_irq(void);
22
23struct sys_timer;
24extern struct sys_timer netx_timer;
diff --git a/arch/arm/mach-netx/nxdb500.c b/arch/arm/mach-netx/nxdb500.c
new file mode 100644
index 000000000000..e4a133d62846
--- /dev/null
+++ b/arch/arm/mach-netx/nxdb500.c
@@ -0,0 +1,210 @@
1/*
2 * arch/arm/mach-netx/nxdb500.c
3 *
4 * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20#include <linux/dma-mapping.h>
21#include <linux/init.h>
22#include <linux/interrupt.h>
23#include <linux/mtd/plat-ram.h>
24#include <linux/platform_device.h>
25#include <linux/amba/bus.h>
26#include <linux/amba/clcd.h>
27
28#include <asm/hardware.h>
29#include <asm/mach-types.h>
30#include <asm/mach/arch.h>
31#include <asm/arch/netx-regs.h>
32#include <asm/arch/eth.h>
33
34#include "generic.h"
35#include "fb.h"
36
37static struct clcd_panel qvga = {
38 .mode = {
39 .name = "QVGA",
40 .refresh = 60,
41 .xres = 240,
42 .yres = 320,
43 .pixclock = 187617,
44 .left_margin = 6,
45 .right_margin = 26,
46 .upper_margin = 0,
47 .lower_margin = 6,
48 .hsync_len = 6,
49 .vsync_len = 1,
50 .sync = 0,
51 .vmode = FB_VMODE_NONINTERLACED,
52 },
53 .width = -1,
54 .height = -1,
55 .tim2 = 16,
56 .cntl = CNTL_LCDTFT | CNTL_BGR,
57 .bpp = 16,
58 .grayscale = 0,
59};
60
61static inline int nxdb500_check(struct clcd_fb *fb, struct fb_var_screeninfo *var)
62{
63 var->green.length = 5;
64 var->green.msb_right = 0;
65
66 return clcdfb_check(fb, var);
67}
68
69static int nxdb500_clcd_setup(struct clcd_fb *fb)
70{
71 unsigned int val;
72
73 fb->fb.var.green.length = 5;
74 fb->fb.var.green.msb_right = 0;
75
76 /* enable asic control */
77 val = readl(NETX_SYSTEM_IOC_ACCESS_KEY);
78 writel(val, NETX_SYSTEM_IOC_ACCESS_KEY);
79
80 writel(3, NETX_SYSTEM_IOC_CR);
81
82 val = readl(NETX_PIO_OUTPIO);
83 writel(val | 1, NETX_PIO_OUTPIO);
84
85 val = readl(NETX_PIO_OEPIO);
86 writel(val | 1, NETX_PIO_OEPIO);
87 return netx_clcd_setup(fb);
88}
89
90static struct clcd_board clcd_data = {
91 .name = "netX",
92 .check = nxdb500_check,
93 .decode = clcdfb_decode,
94 .enable = netx_clcd_enable,
95 .setup = nxdb500_clcd_setup,
96 .mmap = netx_clcd_mmap,
97 .remove = netx_clcd_remove,
98};
99
100static struct netxeth_platform_data eth0_platform_data = {
101 .xcno = 0,
102};
103
104static struct platform_device netx_eth0_device = {
105 .name = "netx-eth",
106 .id = 0,
107 .num_resources = 0,
108 .resource = NULL,
109 .dev = {
110 .platform_data = &eth0_platform_data,
111 }
112};
113
114static struct netxeth_platform_data eth1_platform_data = {
115 .xcno = 1,
116};
117
118static struct platform_device netx_eth1_device = {
119 .name = "netx-eth",
120 .id = 1,
121 .num_resources = 0,
122 .resource = NULL,
123 .dev = {
124 .platform_data = &eth1_platform_data,
125 }
126};
127
128static struct resource netx_uart0_resources[] = {
129 [0] = {
130 .start = 0x00100A00,
131 .end = 0x00100A3F,
132 .flags = IORESOURCE_MEM,
133 },
134 [1] = {
135 .start = (NETX_IRQ_UART0),
136 .end = (NETX_IRQ_UART0),
137 .flags = IORESOURCE_IRQ,
138 },
139};
140
141static struct platform_device netx_uart0_device = {
142 .name = "netx-uart",
143 .id = 0,
144 .num_resources = ARRAY_SIZE(netx_uart0_resources),
145 .resource = netx_uart0_resources,
146};
147
148static struct resource netx_uart1_resources[] = {
149 [0] = {
150 .start = 0x00100A40,
151 .end = 0x00100A7F,
152 .flags = IORESOURCE_MEM,
153 },
154 [1] = {
155 .start = (NETX_IRQ_UART1),
156 .end = (NETX_IRQ_UART1),
157 .flags = IORESOURCE_IRQ,
158 },
159};
160
161static struct platform_device netx_uart1_device = {
162 .name = "netx-uart",
163 .id = 1,
164 .num_resources = ARRAY_SIZE(netx_uart1_resources),
165 .resource = netx_uart1_resources,
166};
167
168static struct resource netx_uart2_resources[] = {
169 [0] = {
170 .start = 0x00100A80,
171 .end = 0x00100ABF,
172 .flags = IORESOURCE_MEM,
173 },
174 [1] = {
175 .start = (NETX_IRQ_UART2),
176 .end = (NETX_IRQ_UART2),
177 .flags = IORESOURCE_IRQ,
178 },
179};
180
181static struct platform_device netx_uart2_device = {
182 .name = "netx-uart",
183 .id = 2,
184 .num_resources = ARRAY_SIZE(netx_uart2_resources),
185 .resource = netx_uart2_resources,
186};
187
188static struct platform_device *devices[] __initdata = {
189 &netx_eth0_device,
190 &netx_eth1_device,
191 &netx_uart0_device,
192 &netx_uart1_device,
193 &netx_uart2_device,
194};
195
196static void __init nxdb500_init(void)
197{
198 netx_fb_init(&clcd_data, &qvga);
199 platform_add_devices(devices, ARRAY_SIZE(devices));
200}
201
202MACHINE_START(NXDB500, "Hilscher nxdb500")
203 .phys_io = 0x00100000,
204 .io_pg_offst = (io_p2v(0x00100000) >> 18) & 0xfffc,
205 .boot_params = 0x80000100,
206 .map_io = netx_map_io,
207 .init_irq = netx_init_irq,
208 .timer = &netx_timer,
209 .init_machine = nxdb500_init,
210MACHINE_END
diff --git a/arch/arm/mach-netx/nxdkn.c b/arch/arm/mach-netx/nxdkn.c
new file mode 100644
index 000000000000..7e26c42d1ac7
--- /dev/null
+++ b/arch/arm/mach-netx/nxdkn.c
@@ -0,0 +1,103 @@
1/*
2 * arch/arm/mach-netx/nxdkn.c
3 *
4 * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20#include <linux/dma-mapping.h>
21#include <linux/init.h>
22#include <linux/interrupt.h>
23#include <linux/mtd/plat-ram.h>
24#include <linux/platform_device.h>
25#include <linux/amba/bus.h>
26#include <linux/amba/clcd.h>
27
28#include <asm/hardware.h>
29#include <asm/mach-types.h>
30#include <asm/mach/arch.h>
31#include <asm/arch/netx-regs.h>
32#include <asm/arch/eth.h>
33
34#include "generic.h"
35
36static struct netxeth_platform_data eth0_platform_data = {
37 .xcno = 0,
38};
39
40static struct platform_device nxdkn_eth0_device = {
41 .name = "netx-eth",
42 .id = 0,
43 .num_resources = 0,
44 .resource = NULL,
45 .dev = {
46 .platform_data = &eth0_platform_data,
47 }
48};
49
50static struct netxeth_platform_data eth1_platform_data = {
51 .xcno = 1,
52};
53
54static struct platform_device nxdkn_eth1_device = {
55 .name = "netx-eth",
56 .id = 1,
57 .num_resources = 0,
58 .resource = NULL,
59 .dev = {
60 .platform_data = &eth1_platform_data,
61 }
62};
63
64static struct resource netx_uart0_resources[] = {
65 [0] = {
66 .start = 0x00100A00,
67 .end = 0x00100A3F,
68 .flags = IORESOURCE_MEM,
69 },
70 [1] = {
71 .start = (NETX_IRQ_UART0),
72 .end = (NETX_IRQ_UART0),
73 .flags = IORESOURCE_IRQ,
74 },
75};
76
77static struct platform_device netx_uart0_device = {
78 .name = "netx-uart",
79 .id = 0,
80 .num_resources = ARRAY_SIZE(netx_uart0_resources),
81 .resource = netx_uart0_resources,
82};
83
84static struct platform_device *devices[] __initdata = {
85 &nxdkn_eth0_device,
86 &nxdkn_eth1_device,
87 &netx_uart0_device,
88};
89
90static void __init nxdkn_init(void)
91{
92 platform_add_devices(devices, ARRAY_SIZE(devices));
93}
94
95MACHINE_START(NXDKN, "Hilscher nxdkn")
96 .phys_io = 0x00100000,
97 .io_pg_offst = (io_p2v(0x00100000) >> 18) & 0xfffc,
98 .boot_params = 0x80000100,
99 .map_io = netx_map_io,
100 .init_irq = netx_init_irq,
101 .timer = &netx_timer,
102 .init_machine = nxdkn_init,
103MACHINE_END
diff --git a/arch/arm/mach-netx/nxeb500hmi.c b/arch/arm/mach-netx/nxeb500hmi.c
new file mode 100644
index 000000000000..53e10a9849f9
--- /dev/null
+++ b/arch/arm/mach-netx/nxeb500hmi.c
@@ -0,0 +1,187 @@
1/*
2 * arch/arm/mach-netx/nxeb500hmi.c
3 *
4 * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20#include <linux/dma-mapping.h>
21#include <linux/init.h>
22#include <linux/interrupt.h>
23#include <linux/mtd/plat-ram.h>
24#include <linux/platform_device.h>
25#include <linux/amba/bus.h>
26#include <linux/amba/clcd.h>
27
28#include <asm/hardware.h>
29#include <asm/mach-types.h>
30#include <asm/mach/arch.h>
31#include <asm/arch/netx-regs.h>
32#include <asm/arch/eth.h>
33
34#include "generic.h"
35#include "fb.h"
36
37static struct clcd_panel qvga = {
38 .mode = {
39 .name = "QVGA",
40 .refresh = 60,
41 .xres = 240,
42 .yres = 320,
43 .pixclock = 187617,
44 .left_margin = 6,
45 .right_margin = 26,
46 .upper_margin = 0,
47 .lower_margin = 6,
48 .hsync_len = 6,
49 .vsync_len = 1,
50 .sync = 0,
51 .vmode = FB_VMODE_NONINTERLACED,
52 },
53 .width = -1,
54 .height = -1,
55 .tim2 = 16,
56 .cntl = CNTL_LCDTFT | CNTL_BGR,
57 .bpp = 16,
58 .grayscale = 0,
59};
60
61static inline int nxeb500hmi_check(struct clcd_fb *fb, struct fb_var_screeninfo *var)
62{
63 var->green.length = 5;
64 var->green.msb_right = 0;
65
66 return clcdfb_check(fb, var);
67}
68
69static int nxeb500hmi_clcd_setup(struct clcd_fb *fb)
70{
71 unsigned int val;
72
73 fb->fb.var.green.length = 5;
74 fb->fb.var.green.msb_right = 0;
75
76 /* enable asic control */
77 val = readl(NETX_SYSTEM_IOC_ACCESS_KEY);
78 writel(val, NETX_SYSTEM_IOC_ACCESS_KEY);
79
80 writel(3, NETX_SYSTEM_IOC_CR);
81
82 /* GPIO 14 is used for display enable on newer boards */
83 writel(9, NETX_GPIO_CFG(14));
84
85 val = readl(NETX_PIO_OUTPIO);
86 writel(val | 1, NETX_PIO_OUTPIO);
87
88 val = readl(NETX_PIO_OEPIO);
89 writel(val | 1, NETX_PIO_OEPIO);
90 return netx_clcd_setup(fb);
91}
92
93static struct clcd_board clcd_data = {
94 .name = "netX",
95 .check = nxeb500hmi_check,
96 .decode = clcdfb_decode,
97 .enable = netx_clcd_enable,
98 .setup = nxeb500hmi_clcd_setup,
99 .mmap = netx_clcd_mmap,
100 .remove = netx_clcd_remove,
101};
102
103static struct netxeth_platform_data eth0_platform_data = {
104 .xcno = 0,
105};
106
107static struct platform_device netx_eth0_device = {
108 .name = "netx-eth",
109 .id = 0,
110 .num_resources = 0,
111 .resource = NULL,
112 .dev = {
113 .platform_data = &eth0_platform_data,
114 }
115};
116
117static struct netxeth_platform_data eth1_platform_data = {
118 .xcno = 1,
119};
120
121static struct platform_device netx_eth1_device = {
122 .name = "netx-eth",
123 .id = 1,
124 .num_resources = 0,
125 .resource = NULL,
126 .dev = {
127 .platform_data = &eth1_platform_data,
128 }
129};
130
131static struct resource netx_cf_resources[] = {
132 [0] = {
133 .start = 0x20000000,
134 .end = 0x25ffffff,
135 .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
136 },
137};
138
139static struct platform_device netx_cf_device = {
140 .name = "netx-cf",
141 .id = 0,
142 .resource = netx_cf_resources,
143 .num_resources = ARRAY_SIZE(netx_cf_resources),
144};
145
146static struct resource netx_uart0_resources[] = {
147 [0] = {
148 .start = 0x00100A00,
149 .end = 0x00100A3F,
150 .flags = IORESOURCE_MEM,
151 },
152 [1] = {
153 .start = (NETX_IRQ_UART0),
154 .end = (NETX_IRQ_UART0),
155 .flags = IORESOURCE_IRQ,
156 },
157};
158
159static struct platform_device netx_uart0_device = {
160 .name = "netx-uart",
161 .id = 0,
162 .num_resources = ARRAY_SIZE(netx_uart0_resources),
163 .resource = netx_uart0_resources,
164};
165
166static struct platform_device *devices[] __initdata = {
167 &netx_eth0_device,
168 &netx_eth1_device,
169 &netx_cf_device,
170 &netx_uart0_device,
171};
172
173static void __init nxeb500hmi_init(void)
174{
175 netx_fb_init(&clcd_data, &qvga);
176 platform_add_devices(devices, ARRAY_SIZE(devices));
177}
178
179MACHINE_START(NXEB500HMI, "Hilscher nxeb500hmi")
180 .phys_io = 0x00100000,
181 .io_pg_offst = (io_p2v(0x00100000) >> 18) & 0xfffc,
182 .boot_params = 0x80000100,
183 .map_io = netx_map_io,
184 .init_irq = netx_init_irq,
185 .timer = &netx_timer,
186 .init_machine = nxeb500hmi_init,
187MACHINE_END
diff --git a/arch/arm/mach-netx/pfifo.c b/arch/arm/mach-netx/pfifo.c
new file mode 100644
index 000000000000..44dea61a9de4
--- /dev/null
+++ b/arch/arm/mach-netx/pfifo.c
@@ -0,0 +1,68 @@
1/*
2 * arch/arm/mach-netx/pfifo.c
3 *
4 * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20#include <linux/init.h>
21#include <linux/module.h>
22#include <linux/mutex.h>
23
24#include <asm/io.h>
25#include <asm/hardware.h>
26#include <asm/arch/netx-regs.h>
27#include <asm/arch/pfifo.h>
28
29static DEFINE_MUTEX(pfifo_lock);
30
31static unsigned int pfifo_used = 0;
32
33int pfifo_request(unsigned int pfifo_mask)
34{
35 int err = 0;
36 unsigned int val;
37
38 mutex_lock(&pfifo_lock);
39
40 if (pfifo_mask & pfifo_used) {
41 err = -EBUSY;
42 goto out;
43 }
44
45 pfifo_used |= pfifo_mask;
46
47 val = readl(NETX_PFIFO_RESET);
48 writel(val | pfifo_mask, NETX_PFIFO_RESET);
49 writel(val, NETX_PFIFO_RESET);
50
51out:
52 mutex_unlock(&pfifo_lock);
53 return err;
54}
55
56void pfifo_free(unsigned int pfifo_mask)
57{
58 mutex_lock(&pfifo_lock);
59 pfifo_used &= ~pfifo_mask;
60 mutex_unlock(&pfifo_lock);
61}
62
63EXPORT_SYMBOL(pfifo_push);
64EXPORT_SYMBOL(pfifo_pop);
65EXPORT_SYMBOL(pfifo_fill_level);
66EXPORT_SYMBOL(pfifo_empty);
67EXPORT_SYMBOL(pfifo_request);
68EXPORT_SYMBOL(pfifo_free);
diff --git a/arch/arm/mach-netx/time.c b/arch/arm/mach-netx/time.c
new file mode 100644
index 000000000000..edfbdf40c600
--- /dev/null
+++ b/arch/arm/mach-netx/time.c
@@ -0,0 +1,88 @@
1/*
2 * arch/arm/mach-netx/time.c
3 *
4 * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20#include <linux/init.h>
21#include <linux/interrupt.h>
22
23#include <asm/hardware.h>
24#include <asm/io.h>
25#include <asm/mach/time.h>
26#include <asm/arch/netx-regs.h>
27
28/*
29 * Returns number of us since last clock interrupt. Note that interrupts
30 * will have been disabled by do_gettimeoffset()
31 */
32static unsigned long netx_gettimeoffset(void)
33{
34 return readl(NETX_GPIO_COUNTER_CURRENT(0)) / 100;
35}
36
37/*
38 * IRQ handler for the timer
39 */
40static irqreturn_t
41netx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
42{
43 write_seqlock(&xtime_lock);
44
45 timer_tick(regs);
46 write_sequnlock(&xtime_lock);
47
48 /* acknowledge interrupt */
49 writel(COUNTER_BIT(0), NETX_GPIO_IRQ);
50
51 return IRQ_HANDLED;
52}
53
54
55static struct irqaction netx_timer_irq = {
56 .name = "NetX Timer Tick",
57 .flags = SA_INTERRUPT | SA_TIMER,
58 .handler = netx_timer_interrupt,
59};
60
61/*
62 * Set up timer interrupt
63 */
64static void __init netx_timer_init(void)
65{
66 /* disable timer initially */
67 writel(0, NETX_GPIO_COUNTER_CTRL(0));
68
69 /* Reset the timer value to zero */
70 writel(0, NETX_GPIO_COUNTER_CURRENT(0));
71
72 writel(LATCH, NETX_GPIO_COUNTER_MAX(0));
73
74 /* acknowledge interrupt */
75 writel(COUNTER_BIT(0), NETX_GPIO_IRQ);
76
77 /* Enable the interrupt in the specific timer register and start timer */
78 writel(COUNTER_BIT(0), NETX_GPIO_IRQ_ENABLE);
79 writel(NETX_GPIO_COUNTER_CTRL_IRQ_EN | NETX_GPIO_COUNTER_CTRL_RUN,
80 NETX_GPIO_COUNTER_CTRL(0));
81
82 setup_irq(NETX_IRQ_TIMER0, &netx_timer_irq);
83}
84
85struct sys_timer netx_timer = {
86 .init = netx_timer_init,
87 .offset = netx_gettimeoffset,
88};
diff --git a/arch/arm/mach-netx/xc.c b/arch/arm/mach-netx/xc.c
new file mode 100644
index 000000000000..172a058ddd66
--- /dev/null
+++ b/arch/arm/mach-netx/xc.c
@@ -0,0 +1,255 @@
1/*
2 * arch/arm/mach-netx/xc.c
3 *
4 * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20#include <linux/init.h>
21#include <linux/device.h>
22#include <linux/firmware.h>
23#include <linux/mutex.h>
24
25#include <asm/io.h>
26#include <asm/hardware.h>
27#include <asm/arch/netx-regs.h>
28
29#include <asm/arch/xc.h>
30
31static DEFINE_MUTEX(xc_lock);
32
33static int xc_in_use = 0;
34
35struct fw_desc {
36 unsigned int ofs;
37 unsigned int size;
38 unsigned int patch_ofs;
39 unsigned int patch_entries;
40};
41
42struct fw_header {
43 unsigned int magic;
44 unsigned int type;
45 unsigned int version;
46 unsigned int reserved[5];
47 struct fw_desc fw_desc[3];
48} __attribute__ ((packed));
49
50int xc_stop(struct xc *x)
51{
52 writel(RPU_HOLD_PC, x->xmac_base + NETX_XMAC_RPU_HOLD_PC_OFS);
53 writel(TPU_HOLD_PC, x->xmac_base + NETX_XMAC_TPU_HOLD_PC_OFS);
54 writel(XPU_HOLD_PC, x->xpec_base + NETX_XPEC_XPU_HOLD_PC_OFS);
55 return 0;
56}
57
58int xc_start(struct xc *x)
59{
60 writel(0, x->xmac_base + NETX_XMAC_RPU_HOLD_PC_OFS);
61 writel(0, x->xmac_base + NETX_XMAC_TPU_HOLD_PC_OFS);
62 writel(0, x->xpec_base + NETX_XPEC_XPU_HOLD_PC_OFS);
63 return 0;
64}
65
66int xc_running(struct xc *x)
67{
68 return (readl(x->xmac_base + NETX_XMAC_RPU_HOLD_PC_OFS) & RPU_HOLD_PC)
69 || (readl(x->xmac_base + NETX_XMAC_TPU_HOLD_PC_OFS) & TPU_HOLD_PC)
70 || (readl(x->xpec_base + NETX_XPEC_XPU_HOLD_PC_OFS) & XPU_HOLD_PC) ?
71 0 : 1;
72}
73
74int xc_reset(struct xc *x)
75{
76 writel(0, x->xpec_base + NETX_XPEC_PC_OFS);
77 return 0;
78}
79
80static int xc_check_ptr(struct xc *x, unsigned long adr, unsigned int size)
81{
82 if (adr >= NETX_PA_XMAC(x->no) &&
83 adr + size < NETX_PA_XMAC(x->no) + XMAC_MEM_SIZE)
84 return 0;
85
86 if (adr >= NETX_PA_XPEC(x->no) &&
87 adr + size < NETX_PA_XPEC(x->no) + XPEC_MEM_SIZE)
88 return 0;
89
90 dev_err(x->dev, "Illegal pointer in firmware found. aborting\n");
91
92 return -1;
93}
94
95static int xc_patch(struct xc *x, void *patch, int count)
96{
97 unsigned int val, adr;
98 unsigned int *data = patch;
99
100 int i;
101 for (i = 0; i < count; i++) {
102 adr = *data++;
103 val = *data++;
104 if (xc_check_ptr(x, adr, 4) < 0)
105 return -EINVAL;
106
107 writel(val, (void __iomem *)io_p2v(adr));
108 }
109 return 0;
110}
111
112int xc_request_firmware(struct xc *x)
113{
114 int ret;
115 char name[16];
116 const struct firmware *fw;
117 struct fw_header *head;
118 unsigned int size;
119 int i;
120 void *src;
121 unsigned long dst;
122
123 sprintf(name, "xc%d.bin", x->no);
124
125 ret = request_firmware(&fw, name, x->dev);
126
127 if (ret < 0) {
128 dev_err(x->dev, "request_firmware failed\n");
129 return ret;
130 }
131
132 head = (struct fw_header *)fw->data;
133 if (head->magic != 0x4e657458) {
134 if (head->magic == 0x5874654e) {
135 dev_err(x->dev,
136 "firmware magic is 'XteN'. Endianess problems?\n");
137 ret = -ENODEV;
138 goto exit_release_firmware;
139 }
140 dev_err(x->dev, "unrecognized firmware magic 0x%08x\n",
141 head->magic);
142 ret = -ENODEV;
143 goto exit_release_firmware;
144 }
145
146 x->type = head->type;
147 x->version = head->version;
148
149 ret = -EINVAL;
150
151 for (i = 0; i < 3; i++) {
152 src = fw->data + head->fw_desc[i].ofs;
153 dst = *(unsigned int *)src;
154 src += sizeof (unsigned int);
155 size = head->fw_desc[i].size - sizeof (unsigned int);
156
157 if (xc_check_ptr(x, dst, size))
158 goto exit_release_firmware;
159
160 memcpy((void *)io_p2v(dst), src, size);
161
162 src = fw->data + head->fw_desc[i].patch_ofs;
163 size = head->fw_desc[i].patch_entries;
164 ret = xc_patch(x, src, size);
165 if (ret < 0)
166 goto exit_release_firmware;
167 }
168
169 ret = 0;
170
171 exit_release_firmware:
172 release_firmware(fw);
173
174 return ret;
175}
176
177struct xc *request_xc(int xcno, struct device *dev)
178{
179 struct xc *x = NULL;
180
181 mutex_lock(&xc_lock);
182
183 if (xcno > 3)
184 goto exit;
185 if (xc_in_use & (1 << xcno))
186 goto exit;
187
188 x = kmalloc(sizeof (struct xc), GFP_KERNEL);
189 if (!x)
190 goto exit;
191
192 if (!request_mem_region
193 (NETX_PA_XPEC(xcno), XPEC_MEM_SIZE, dev->kobj.name))
194 goto exit_free;
195
196 if (!request_mem_region
197 (NETX_PA_XMAC(xcno), XMAC_MEM_SIZE, dev->kobj.name))
198 goto exit_release_1;
199
200 if (!request_mem_region
201 (SRAM_INTERNAL_PHYS(xcno), SRAM_MEM_SIZE, dev->kobj.name))
202 goto exit_release_2;
203
204 x->xpec_base = (void * __iomem)io_p2v(NETX_PA_XPEC(xcno));
205 x->xmac_base = (void * __iomem)io_p2v(NETX_PA_XMAC(xcno));
206 x->sram_base = ioremap(SRAM_INTERNAL_PHYS(xcno), SRAM_MEM_SIZE);
207 if (!x->sram_base)
208 goto exit_release_3;
209
210 x->irq = NETX_IRQ_XPEC(xcno);
211
212 x->no = xcno;
213 x->dev = dev;
214
215 xc_in_use |= (1 << xcno);
216
217 goto exit;
218
219 exit_release_3:
220 release_mem_region(SRAM_INTERNAL_PHYS(xcno), SRAM_MEM_SIZE);
221 exit_release_2:
222 release_mem_region(NETX_PA_XMAC(xcno), XMAC_MEM_SIZE);
223 exit_release_1:
224 release_mem_region(NETX_PA_XPEC(xcno), XPEC_MEM_SIZE);
225 exit_free:
226 kfree(x);
227 x = NULL;
228 exit:
229 mutex_unlock(&xc_lock);
230 return x;
231}
232
233void free_xc(struct xc *x)
234{
235 int xcno = x->no;
236
237 mutex_lock(&xc_lock);
238
239 iounmap(x->sram_base);
240 release_mem_region(SRAM_INTERNAL_PHYS(xcno), SRAM_MEM_SIZE);
241 release_mem_region(NETX_PA_XMAC(xcno), XMAC_MEM_SIZE);
242 release_mem_region(NETX_PA_XPEC(xcno), XPEC_MEM_SIZE);
243 xc_in_use &= ~(1 << x->no);
244 kfree(x);
245
246 mutex_unlock(&xc_lock);
247}
248
249EXPORT_SYMBOL(free_xc);
250EXPORT_SYMBOL(request_xc);
251EXPORT_SYMBOL(xc_request_firmware);
252EXPORT_SYMBOL(xc_reset);
253EXPORT_SYMBOL(xc_running);
254EXPORT_SYMBOL(xc_start);
255EXPORT_SYMBOL(xc_stop);
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-07 15:37:48 -0500