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authorJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-06-28 14:06:39 -0400
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-06-28 14:06:39 -0400
commitf28e71617ddaf2483e3e5c5237103484a303743f (patch)
tree67627d2d8ddbf6a4449371e9261d796c013b1fa1 /drivers/mtd/maps
parentdc6a78f1af10d28fb8c395034ae1e099b85c05b0 (diff)
parenta39727f212426b9d5f9267b3318a2afaf9922d3b (diff)
Merge ../linux-2.6/
Conflicts: drivers/scsi/aacraid/comminit.c Fixed up by removing the now renamed CONFIG_IOMMU option from aacraid Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/mtd/maps')
-rw-r--r--drivers/mtd/maps/Kconfig2
-rw-r--r--drivers/mtd/maps/ixp2000.c2
-rw-r--r--drivers/mtd/maps/physmap.c2
-rw-r--r--drivers/mtd/maps/sun_uflash.c195
4 files changed, 97 insertions, 104 deletions
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index 6bdaacc6d6f9..83d0b2a52527 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -212,7 +212,7 @@ config MTD_NETtel
212 Support for flash chips on NETtel/SecureEdge/SnapGear boards. 212 Support for flash chips on NETtel/SecureEdge/SnapGear boards.
213 213
214config MTD_ALCHEMY 214config MTD_ALCHEMY
215 tristate ' AMD Alchemy Pb1xxx/Db1xxx/RDK MTD support' 215 tristate "AMD Alchemy Pb1xxx/Db1xxx/RDK MTD support"
216 depends on SOC_AU1X00 216 depends on SOC_AU1X00
217 help 217 help
218 Flash memory access on AMD Alchemy Pb/Db/RDK Reference Boards 218 Flash memory access on AMD Alchemy Pb/Db/RDK Reference Boards
diff --git a/drivers/mtd/maps/ixp2000.c b/drivers/mtd/maps/ixp2000.c
index 2c9cc7f37e92..c26488a1793a 100644
--- a/drivers/mtd/maps/ixp2000.c
+++ b/drivers/mtd/maps/ixp2000.c
@@ -42,7 +42,6 @@ struct ixp2000_flash_info {
42 struct map_info map; 42 struct map_info map;
43 struct mtd_partition *partitions; 43 struct mtd_partition *partitions;
44 struct resource *res; 44 struct resource *res;
45 int nr_banks;
46}; 45};
47 46
48static inline unsigned long flash_bank_setup(struct map_info *map, unsigned long ofs) 47static inline unsigned long flash_bank_setup(struct map_info *map, unsigned long ofs)
@@ -183,7 +182,6 @@ static int ixp2000_flash_probe(struct platform_device *dev)
183 */ 182 */
184 info->map.phys = NO_XIP; 183 info->map.phys = NO_XIP;
185 184
186 info->nr_banks = ixp_data->nr_banks;
187 info->map.size = ixp_data->nr_banks * window_size; 185 info->map.size = ixp_data->nr_banks * window_size;
188 info->map.bankwidth = 1; 186 info->map.bankwidth = 1;
189 187
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index 433c3cac3ca9..d6301f08906d 100644
--- a/drivers/mtd/maps/physmap.c
+++ b/drivers/mtd/maps/physmap.c
@@ -182,7 +182,7 @@ static struct physmap_flash_data physmap_flash_data = {
182 182
183static struct resource physmap_flash_resource = { 183static struct resource physmap_flash_resource = {
184 .start = CONFIG_MTD_PHYSMAP_START, 184 .start = CONFIG_MTD_PHYSMAP_START,
185 .end = CONFIG_MTD_PHYSMAP_START + CONFIG_MTD_PHYSMAP_LEN, 185 .end = CONFIG_MTD_PHYSMAP_START + CONFIG_MTD_PHYSMAP_LEN - 1,
186 .flags = IORESOURCE_MEM, 186 .flags = IORESOURCE_MEM,
187}; 187};
188 188
diff --git a/drivers/mtd/maps/sun_uflash.c b/drivers/mtd/maps/sun_uflash.c
index 0758cb1d0105..24a03152d196 100644
--- a/drivers/mtd/maps/sun_uflash.c
+++ b/drivers/mtd/maps/sun_uflash.c
@@ -18,6 +18,7 @@
18#include <linux/ioport.h> 18#include <linux/ioport.h>
19#include <asm/ebus.h> 19#include <asm/ebus.h>
20#include <asm/oplib.h> 20#include <asm/oplib.h>
21#include <asm/prom.h>
21#include <asm/uaccess.h> 22#include <asm/uaccess.h>
22#include <asm/io.h> 23#include <asm/io.h>
23 24
@@ -30,146 +31,140 @@
30#define UFLASH_WINDOW_SIZE 0x200000 31#define UFLASH_WINDOW_SIZE 0x200000
31#define UFLASH_BUSWIDTH 1 /* EBus is 8-bit */ 32#define UFLASH_BUSWIDTH 1 /* EBus is 8-bit */
32 33
33MODULE_AUTHOR 34MODULE_AUTHOR("Eric Brower <ebrower@usa.net>");
34 ("Eric Brower <ebrower@usa.net>"); 35MODULE_DESCRIPTION("User-programmable flash device on Sun Microsystems boardsets");
35MODULE_DESCRIPTION 36MODULE_SUPPORTED_DEVICE("userflash");
36 ("User-programmable flash device on Sun Microsystems boardsets"); 37MODULE_LICENSE("GPL");
37MODULE_SUPPORTED_DEVICE 38MODULE_VERSION("2.0");
38 ("userflash");
39MODULE_LICENSE
40 ("GPL");
41 39
42static LIST_HEAD(device_list); 40static LIST_HEAD(device_list);
43struct uflash_dev { 41struct uflash_dev {
44 char * name; /* device name */ 42 char *name; /* device name */
45 struct map_info map; /* mtd map info */ 43 struct map_info map; /* mtd map info */
46 struct mtd_info * mtd; /* mtd info */ 44 struct mtd_info *mtd; /* mtd info */
47 struct list_head list;
48}; 45};
49 46
50 47
51struct map_info uflash_map_templ = { 48struct map_info uflash_map_templ = {
52 .name = "SUNW,???-????", 49 .name = "SUNW,???-????",
53 .size = UFLASH_WINDOW_SIZE, 50 .size = UFLASH_WINDOW_SIZE,
54 .bankwidth = UFLASH_BUSWIDTH, 51 .bankwidth = UFLASH_BUSWIDTH,
55}; 52};
56 53
57int uflash_devinit(struct linux_ebus_device* edev) 54int uflash_devinit(struct linux_ebus_device *edev, struct device_node *dp)
58{ 55{
59 int iTmp, nregs; 56 struct uflash_dev *up;
60 struct linux_prom_registers regs[2]; 57 struct resource *res;
61 struct uflash_dev *pdev;
62
63 iTmp = prom_getproperty(
64 edev->prom_node, "reg", (void *)regs, sizeof(regs));
65 if ((iTmp % sizeof(regs[0])) != 0) {
66 printk("%s: Strange reg property size %d\n",
67 UFLASH_DEVNAME, iTmp);
68 return -ENODEV;
69 }
70 58
71 nregs = iTmp / sizeof(regs[0]); 59 res = &edev->resource[0];
72 60
73 if (nregs != 1) { 61 if (edev->num_addrs != 1) {
74 /* Non-CFI userflash device-- once I find one we 62 /* Non-CFI userflash device-- once I find one we
75 * can work on supporting it. 63 * can work on supporting it.
76 */ 64 */
77 printk("%s: unsupported device at 0x%lx (%d regs): " \ 65 printk("%s: unsupported device at 0x%lx (%d regs): " \
78 "email ebrower@usa.net\n", 66 "email ebrower@usa.net\n",
79 UFLASH_DEVNAME, edev->resource[0].start, nregs); 67 dp->full_name, res->start, edev->num_addrs);
68
80 return -ENODEV; 69 return -ENODEV;
81 } 70 }
82 71
83 if(0 == (pdev = kmalloc(sizeof(struct uflash_dev), GFP_KERNEL))) { 72 up = kzalloc(sizeof(struct uflash_dev), GFP_KERNEL);
84 printk("%s: unable to kmalloc new device\n", UFLASH_DEVNAME); 73 if (!up)
85 return(-ENOMEM); 74 return -ENOMEM;
86 }
87 75
88 /* copy defaults and tweak parameters */ 76 /* copy defaults and tweak parameters */
89 memcpy(&pdev->map, &uflash_map_templ, sizeof(uflash_map_templ)); 77 memcpy(&up->map, &uflash_map_templ, sizeof(uflash_map_templ));
90 pdev->map.size = regs[0].reg_size; 78 up->map.size = (res->end - res->start) + 1UL;
91 79
92 iTmp = prom_getproplen(edev->prom_node, "model"); 80 up->name = of_get_property(dp, "model", NULL);
93 pdev->name = kmalloc(iTmp, GFP_KERNEL); 81 if (up->name && 0 < strlen(up->name))
94 prom_getstring(edev->prom_node, "model", pdev->name, iTmp); 82 up->map.name = up->name;
95 if(0 != pdev->name && 0 < strlen(pdev->name)) { 83
96 pdev->map.name = pdev->name; 84 up->map.phys = res->start;
97 } 85
98 pdev->map.phys = edev->resource[0].start; 86 up->map.virt = ioremap_nocache(res->start, up->map.size);
99 pdev->map.virt = ioremap_nocache(edev->resource[0].start, pdev->map.size); 87 if (!up->map.virt) {
100 if(0 == pdev->map.virt) { 88 printk("%s: Failed to map device.\n", dp->full_name);
101 printk("%s: failed to map device\n", __FUNCTION__); 89 kfree(up);
102 kfree(pdev->name); 90
103 kfree(pdev); 91 return -EINVAL;
104 return(-1);
105 } 92 }
106 93
107 simple_map_init(&pdev->map); 94 simple_map_init(&up->map);
108 95
109 /* MTD registration */ 96 /* MTD registration */
110 pdev->mtd = do_map_probe("cfi_probe", &pdev->map); 97 up->mtd = do_map_probe("cfi_probe", &up->map);
111 if(0 == pdev->mtd) { 98 if (!up->mtd) {
112 iounmap(pdev->map.virt); 99 iounmap(up->map.virt);
113 kfree(pdev->name); 100 kfree(up);
114 kfree(pdev); 101
115 return(-ENXIO); 102 return -ENXIO;
116 } 103 }
117 104
118 list_add(&pdev->list, &device_list); 105 up->mtd->owner = THIS_MODULE;
119 106
120 pdev->mtd->owner = THIS_MODULE; 107 add_mtd_device(up->mtd);
121 108
122 add_mtd_device(pdev->mtd); 109 dev_set_drvdata(&edev->ofdev.dev, up);
123 return(0); 110
111 return 0;
124} 112}
125 113
126static int __init uflash_init(void) 114static int __devinit uflash_probe(struct of_device *dev, const struct of_device_id *match)
127{ 115{
128 struct linux_ebus *ebus = NULL; 116 struct linux_ebus_device *edev = to_ebus_device(&dev->dev);
129 struct linux_ebus_device *edev = NULL; 117 struct device_node *dp = dev->node;
130
131 for_each_ebus(ebus) {
132 for_each_ebusdev(edev, ebus) {
133 if (!strcmp(edev->prom_name, UFLASH_OBPNAME)) {
134 if(0 > prom_getproplen(edev->prom_node, "user")) {
135 DEBUG(2, "%s: ignoring device at 0x%lx\n",
136 UFLASH_DEVNAME, edev->resource[0].start);
137 } else {
138 uflash_devinit(edev);
139 }
140 }
141 }
142 }
143 118
144 if(list_empty(&device_list)) { 119 if (of_find_property(dp, "user", NULL))
145 printk("%s: unable to locate device\n", UFLASH_DEVNAME);
146 return -ENODEV; 120 return -ENODEV;
147 } 121
148 return(0); 122 return uflash_devinit(edev, dp);
149} 123}
150 124
151static void __exit uflash_cleanup(void) 125static int __devexit uflash_remove(struct of_device *dev)
152{ 126{
153 struct list_head *udevlist; 127 struct uflash_dev *up = dev_get_drvdata(&dev->dev);
154 struct uflash_dev *udev; 128
155 129 if (up->mtd) {
156 list_for_each(udevlist, &device_list) { 130 del_mtd_device(up->mtd);
157 udev = list_entry(udevlist, struct uflash_dev, list); 131 map_destroy(up->mtd);
158 DEBUG(2, "%s: removing device %s\n",
159 UFLASH_DEVNAME, udev->name);
160
161 if(0 != udev->mtd) {
162 del_mtd_device(udev->mtd);
163 map_destroy(udev->mtd);
164 }
165 if(0 != udev->map.virt) {
166 iounmap(udev->map.virt);
167 udev->map.virt = NULL;
168 }
169 kfree(udev->name);
170 kfree(udev);
171 } 132 }
133 if (up->map.virt) {
134 iounmap(up->map.virt);
135 up->map.virt = NULL;
136 }
137
138 kfree(up);
139
140 return 0;
141}
142
143static struct of_device_id uflash_match[] = {
144 {
145 .name = UFLASH_OBPNAME,
146 },
147 {},
148};
149
150MODULE_DEVICE_TABLE(of, uflash_match);
151
152static struct of_platform_driver uflash_driver = {
153 .name = UFLASH_DEVNAME,
154 .match_table = uflash_match,
155 .probe = uflash_probe,
156 .remove = __devexit_p(uflash_remove),
157};
158
159static int __init uflash_init(void)
160{
161 return of_register_driver(&uflash_driver, &ebus_bus_type);
162}
163
164static void __exit uflash_exit(void)
165{
166 of_unregister_driver(&uflash_driver);
172} 167}
173 168
174module_init(uflash_init); 169module_init(uflash_init);
175module_exit(uflash_cleanup); 170module_exit(uflash_exit);