8806048878
Symbol name spaghetti which is too complicated to cleanup on this stage of the release cycle breaks the build on BCM1480 platforms. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
85 lines
2.2 KiB
C
85 lines
2.2 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) */
|