2 * Copyright (C) ST-Ericsson SA 2010
4 * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
5 * Author: Lee Jones <lee.jones@linaro.org> for ST-Ericsson
6 * License terms: GNU General Public License (GPL) version 2
9 #include <linux/platform_device.h>
11 #include <linux/clk.h>
12 #include <linux/mfd/db8500-prcmu.h>
13 #include <linux/mfd/db5500-prcmu.h>
14 #include <linux/clksrc-dbx500-prcmu.h>
15 #include <linux/sys_soc.h>
16 #include <linux/err.h>
17 #include <linux/slab.h>
18 #include <linux/stat.h>
20 #include <asm/hardware/gic.h>
21 #include <asm/mach/map.h>
23 #include <mach/hardware.h>
24 #include <mach/setup.h>
25 #include <mach/devices.h>
29 void __iomem *_PRCMU_BASE;
31 void __init ux500_init_irq(void)
33 void __iomem *dist_base;
34 void __iomem *cpu_base;
37 dist_base = __io_address(U5500_GIC_DIST_BASE);
38 cpu_base = __io_address(U5500_GIC_CPU_BASE);
39 } else if (cpu_is_u8500()) {
40 dist_base = __io_address(U8500_GIC_DIST_BASE);
41 cpu_base = __io_address(U8500_GIC_CPU_BASE);
45 gic_init(0, 29, dist_base, cpu_base);
48 * Init clocks here so that they are available for system timer
52 db5500_prcmu_early_init();
54 db8500_prcmu_early_init();
58 static const char * __init ux500_get_machine(void)
60 return kasprintf(GFP_KERNEL, "DB%4x", dbx500_partnumber());
63 static const char * __init ux500_get_family(void)
65 return kasprintf(GFP_KERNEL, "ux500");
68 static const char * __init ux500_get_revision(void)
70 unsigned int rev = dbx500_revision();
73 return kasprintf(GFP_KERNEL, "%s", "ED");
75 return kasprintf(GFP_KERNEL, "%d.%d",
76 (rev >> 4) - 0xA + 1, rev & 0xf);
78 return kasprintf(GFP_KERNEL, "%s", "Unknown");
81 static ssize_t ux500_get_process(struct device *dev,
82 struct device_attribute *attr,
85 if (dbx500_id.process == 0x00)
86 return sprintf(buf, "Standard\n");
88 return sprintf(buf, "%02xnm\n", dbx500_id.process);
91 static void __init soc_info_populate(struct soc_device_attribute *soc_dev_attr,
94 soc_dev_attr->soc_id = soc_id;
95 soc_dev_attr->machine = ux500_get_machine();
96 soc_dev_attr->family = ux500_get_family();
97 soc_dev_attr->revision = ux500_get_revision();
100 struct device_attribute ux500_soc_attr =
101 __ATTR(process, S_IRUGO, ux500_get_process, NULL);
103 struct device * __init ux500_soc_device_init(const char *soc_id)
105 struct device *parent;
106 struct soc_device *soc_dev;
107 struct soc_device_attribute *soc_dev_attr;
109 soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
111 return ERR_PTR(-ENOMEM);
113 soc_info_populate(soc_dev_attr, soc_id);
115 soc_dev = soc_device_register(soc_dev_attr);
116 if (IS_ERR_OR_NULL(soc_dev)) {
121 parent = soc_device_to_device(soc_dev);
122 if (!IS_ERR_OR_NULL(parent))
123 device_create_file(parent, &ux500_soc_attr);