diff options
Diffstat (limited to 'arch/mips/alchemy/devboards/platform.c')
-rw-r--r-- | arch/mips/alchemy/devboards/platform.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/arch/mips/alchemy/devboards/platform.c b/arch/mips/alchemy/devboards/platform.c new file mode 100644 index 0000000..48c537c --- /dev/null +++ b/arch/mips/alchemy/devboards/platform.c @@ -0,0 +1,89 @@ +/* + * devoard misc stuff. + */ + +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/platform_device.h> + +/* register a pcmcia socket */ +int __init db1x_register_pcmcia_socket(unsigned long pseudo_attr_start, + unsigned long pseudo_attr_end, + unsigned long pseudo_mem_start, + unsigned long pseudo_mem_end, + unsigned long pseudo_io_start, + unsigned long pseudo_io_end, + int card_irq, + int cd_irq, + int stschg_irq, + int eject_irq, + int id) +{ + int cnt, i, ret; + struct resource *sr; + struct platform_device *pd; + + cnt = 5; + if (eject_irq) + cnt++; + if (stschg_irq) + cnt++; + + sr = kzalloc(sizeof(struct resource) * cnt, GFP_KERNEL); + if (!sr) + return -ENOMEM; + + pd = platform_device_alloc("db1xxx_pcmcia", id); + if (!pd) { + ret = -ENOMEM; + goto out; + } + + sr[0].name = "pseudo-attr"; + sr[0].flags = IORESOURCE_MEM; + sr[0].start = pseudo_attr_start; + sr[0].end = pseudo_attr_end; + + sr[1].name = "pseudo-mem"; + sr[1].flags = IORESOURCE_MEM; + sr[1].start = pseudo_mem_start; + sr[1].end = pseudo_mem_end; + + sr[2].name = "pseudo-io"; + sr[2].flags = IORESOURCE_MEM; + sr[2].start = pseudo_io_start; + sr[2].end = pseudo_io_end; + + sr[3].name = "insert"; + sr[3].flags = IORESOURCE_IRQ; + sr[3].start = sr[3].end = cd_irq; + + sr[4].name = "card"; + sr[4].flags = IORESOURCE_IRQ; + sr[4].start = sr[4].end = card_irq; + + i = 5; + if (stschg_irq) { + sr[i].name = "insert"; + sr[i].flags = IORESOURCE_IRQ; + sr[i].start = sr[i].end = cd_irq; + i++; + } + if (eject_irq) { + sr[i].name = "eject"; + sr[i].flags = IORESOURCE_IRQ; + sr[i].start = sr[i].end = eject_irq; + } + + pd->resource = sr; + pd->num_resources = cnt; + + ret = platform_device_add(pd); + if (!ret) + return 0; + + platform_device_put(pd); +out: + kfree(sr); + return ret; +} |