7034228792
Having received another series of whitespace patches I decided to do this once and for all rather than dealing with this kind of patches trickling in forever. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
139 lines
3.4 KiB
C
139 lines
3.4 KiB
C
#include <linux/err.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/io.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/ata_platform.h>
|
|
|
|
#include <asm/sibyte/board.h>
|
|
#include <asm/sibyte/sb1250_genbus.h>
|
|
#include <asm/sibyte/sb1250_regs.h>
|
|
|
|
#if defined(CONFIG_SIBYTE_SWARM) || defined(CONFIG_SIBYTE_LITTLESUR)
|
|
|
|
#define DRV_NAME "pata-swarm"
|
|
|
|
#define SWARM_IDE_SHIFT 5
|
|
#define SWARM_IDE_BASE 0x1f0
|
|
#define SWARM_IDE_CTRL 0x3f6
|
|
|
|
static struct resource swarm_pata_resource[] = {
|
|
{
|
|
.name = "Swarm GenBus IDE",
|
|
.flags = IORESOURCE_MEM,
|
|
}, {
|
|
.name = "Swarm GenBus IDE",
|
|
.flags = IORESOURCE_MEM,
|
|
}, {
|
|
.name = "Swarm GenBus IDE",
|
|
.flags = IORESOURCE_IRQ,
|
|
.start = K_INT_GB_IDE,
|
|
.end = K_INT_GB_IDE,
|
|
},
|
|
};
|
|
|
|
static struct pata_platform_info pata_platform_data = {
|
|
.ioport_shift = SWARM_IDE_SHIFT,
|
|
};
|
|
|
|
static struct platform_device swarm_pata_device = {
|
|
.name = "pata_platform",
|
|
.id = -1,
|
|
.resource = swarm_pata_resource,
|
|
.num_resources = ARRAY_SIZE(swarm_pata_resource),
|
|
.dev = {
|
|
.platform_data = &pata_platform_data,
|
|
.coherent_dma_mask = ~0, /* grumble */
|
|
},
|
|
};
|
|
|
|
static int __init swarm_pata_init(void)
|
|
{
|
|
u8 __iomem *base;
|
|
phys_t offset, size;
|
|
struct resource *r;
|
|
|
|
if (!SIBYTE_HAVE_IDE)
|
|
return -ENODEV;
|
|
|
|
base = ioremap(A_IO_EXT_BASE, 0x800);
|
|
offset = __raw_readq(base + R_IO_EXT_REG(R_IO_EXT_START_ADDR, IDE_CS));
|
|
size = __raw_readq(base + R_IO_EXT_REG(R_IO_EXT_MULT_SIZE, IDE_CS));
|
|
iounmap(base);
|
|
|
|
offset = G_IO_START_ADDR(offset) << S_IO_ADDRBASE;
|
|
size = (G_IO_MULT_SIZE(size) + 1) << S_IO_REGSIZE;
|
|
if (offset < A_PHYS_GENBUS || offset >= A_PHYS_GENBUS_END) {
|
|
pr_info(DRV_NAME ": PATA interface at GenBus disabled\n");
|
|
|
|
return -EBUSY;
|
|
}
|
|
|
|
pr_info(DRV_NAME ": PATA interface at GenBus slot %i\n", IDE_CS);
|
|
|
|
r = swarm_pata_resource;
|
|
r[0].start = offset + (SWARM_IDE_BASE << SWARM_IDE_SHIFT);
|
|
r[0].end = offset + ((SWARM_IDE_BASE + 8) << SWARM_IDE_SHIFT) - 1;
|
|
r[1].start = offset + (SWARM_IDE_CTRL << SWARM_IDE_SHIFT);
|
|
r[1].end = offset + ((SWARM_IDE_CTRL + 1) << SWARM_IDE_SHIFT) - 1;
|
|
|
|
return platform_device_register(&swarm_pata_device);
|
|
}
|
|
|
|
device_initcall(swarm_pata_init);
|
|
|
|
#endif /* defined(CONFIG_SIBYTE_SWARM) || defined(CONFIG_SIBYTE_LITTLESUR) */
|
|
|
|
#define sb1250_dev_struct(num) \
|
|
static struct resource sb1250_res##num = { \
|
|
.name = "SB1250 MAC " __stringify(num), \
|
|
.flags = IORESOURCE_MEM, \
|
|
.start = A_MAC_CHANNEL_BASE(num), \
|
|
.end = A_MAC_CHANNEL_BASE(num + 1) -1, \
|
|
};\
|
|
static struct platform_device sb1250_dev##num = { \
|
|
.name = "sb1250-mac", \
|
|
.id = num, \
|
|
.resource = &sb1250_res##num, \
|
|
.num_resources = 1, \
|
|
}
|
|
|
|
sb1250_dev_struct(0);
|
|
sb1250_dev_struct(1);
|
|
sb1250_dev_struct(2);
|
|
sb1250_dev_struct(3);
|
|
|
|
static struct platform_device *sb1250_devs[] __initdata = {
|
|
&sb1250_dev0,
|
|
&sb1250_dev1,
|
|
&sb1250_dev2,
|
|
&sb1250_dev3,
|
|
};
|
|
|
|
static int __init sb1250_device_init(void)
|
|
{
|
|
int ret;
|
|
|
|
/* Set the number of available units based on the SOC type. */
|
|
switch (soc_type) {
|
|
case K_SYS_SOC_TYPE_BCM1250:
|
|
case K_SYS_SOC_TYPE_BCM1250_ALT:
|
|
ret = platform_add_devices(sb1250_devs, 3);
|
|
break;
|
|
case K_SYS_SOC_TYPE_BCM1120:
|
|
case K_SYS_SOC_TYPE_BCM1125:
|
|
case K_SYS_SOC_TYPE_BCM1125H:
|
|
case K_SYS_SOC_TYPE_BCM1250_ALT2: /* Hybrid */
|
|
ret = platform_add_devices(sb1250_devs, 2);
|
|
break;
|
|
case K_SYS_SOC_TYPE_BCM1x55:
|
|
case K_SYS_SOC_TYPE_BCM1x80:
|
|
ret = platform_add_devices(sb1250_devs, 4);
|
|
break;
|
|
default:
|
|
ret = -ENODEV;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
device_initcall(sb1250_device_init);
|