diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/sgi-ip22/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/sgi-ip22/ip22-platform.c | 177 |
2 files changed, 178 insertions, 1 deletions
diff --git a/arch/mips/sgi-ip22/Makefile b/arch/mips/sgi-ip22/Makefile index b6d649241dc1..1fb3e353e212 100644 --- a/arch/mips/sgi-ip22/Makefile +++ b/arch/mips/sgi-ip22/Makefile @@ -4,6 +4,6 @@ # obj-y += ip22-mc.o ip22-hpc.o ip22-int.o ip22-berr.o \ - ip22-time.o ip22-nvram.o ip22-reset.o ip22-setup.o + ip22-time.o ip22-nvram.o ip22-platform.o ip22-reset.o ip22-setup.o obj-$(CONFIG_EISA) += ip22-eisa.o diff --git a/arch/mips/sgi-ip22/ip22-platform.c b/arch/mips/sgi-ip22/ip22-platform.c new file mode 100644 index 000000000000..78b608d2d4e1 --- /dev/null +++ b/arch/mips/sgi-ip22/ip22-platform.c @@ -0,0 +1,177 @@ +#include <linux/init.h> +#include <linux/if_ether.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> + +#include <asm/paccess.h> +#include <asm/sgi/ip22.h> +#include <asm/sgi/hpc3.h> +#include <asm/sgi/mc.h> +#include <asm/sgi/seeq.h> +#include <asm/sgi/wd.h> + +static struct resource sgiwd93_0_resources[] = { + { + .name = "eth0 irq", + .start = SGI_WD93_0_IRQ, + .end = SGI_WD93_0_IRQ, + .flags = IORESOURCE_IRQ + } +}; + +static struct sgiwd93_platform_data sgiwd93_0_pd = { + .unit = 0, + .irq = SGI_WD93_0_IRQ, +}; + +static struct platform_device sgiwd93_0_device = { + .name = "sgiwd93", + .id = 0, + .num_resources = ARRAY_SIZE(sgiwd93_0_resources), + .resource = sgiwd93_0_resources, + .dev = { + .platform_data = &sgiwd93_0_pd, + }, +}; + +static struct resource sgiwd93_1_resources[] = { + { + .name = "eth0 irq", + .start = SGI_WD93_1_IRQ, + .end = SGI_WD93_1_IRQ, + .flags = IORESOURCE_IRQ + } +}; + +static struct sgiwd93_platform_data sgiwd93_1_pd = { + .unit = 1, + .irq = SGI_WD93_1_IRQ, +}; + +static struct platform_device sgiwd93_1_device = { + .name = "sgiwd93", + .id = 1, + .num_resources = ARRAY_SIZE(sgiwd93_1_resources), + .resource = sgiwd93_1_resources, + .dev = { + .platform_data = &sgiwd93_1_pd, + }, +}; + +/* + * Create a platform device for the GPI port that receives the + * image data from the embedded camera. + */ +static int __init sgiwd93_devinit(void) +{ + int res; + + sgiwd93_0_pd.hregs = &hpc3c0->scsi_chan0; + sgiwd93_0_pd.wdregs = (unsigned char *) hpc3c0->scsi0_ext; + + res = platform_device_register(&sgiwd93_0_device); + if (res) + return res; + + if (!ip22_is_fullhouse()) + return 0; + + sgiwd93_1_pd.hregs = &hpc3c0->scsi_chan1; + sgiwd93_1_pd.wdregs = (unsigned char *) hpc3c0->scsi1_ext; + + return platform_device_register(&sgiwd93_1_device); +} + +device_initcall(sgiwd93_devinit); + +static struct resource sgiseeq_0_resources[] = { + { + .name = "eth0 irq", + .start = SGI_ENET_IRQ, + .end = SGI_ENET_IRQ, + .flags = IORESOURCE_IRQ + } +}; + +static struct sgiseeq_platform_data eth0_pd; + +static struct platform_device eth0_device = { + .name = "sgiseeq", + .id = 0, + .num_resources = ARRAY_SIZE(sgiseeq_0_resources), + .resource = sgiseeq_0_resources, + .dev = { + .platform_data = ð0_pd, + }, +}; + +static struct resource sgiseeq_1_resources[] = { + { + .name = "eth1 irq", + .start = SGI_GIO_0_IRQ, + .end = SGI_GIO_0_IRQ, + .flags = IORESOURCE_IRQ + } +}; + +static struct sgiseeq_platform_data eth1_pd; + +static struct platform_device eth1_device = { + .name = "sgiseeq", + .id = 1, + .num_resources = ARRAY_SIZE(sgiseeq_1_resources), + .resource = sgiseeq_1_resources, + .dev = { + .platform_data = ð1_pd, + }, +}; + +/* + * Create a platform device for the GPI port that receives the + * image data from the embedded camera. + */ +static int __init sgiseeq_devinit(void) +{ + unsigned int tmp; + int res, i; + + eth0_pd.hpc = hpc3c0; + eth0_pd.irq = SGI_ENET_IRQ; +#define EADDR_NVOFS 250 + for (i = 0; i < 3; i++) { + unsigned short tmp = ip22_nvram_read(EADDR_NVOFS / 2 + i); + + eth0_pd.mac[2 * i] = tmp >> 8; + eth0_pd.mac[2 * i + 1] = tmp & 0xff; + } + + res = platform_device_register(ð0_device); + if (res) + return res; + + /* Second HPC is missing? */ + if (ip22_is_fullhouse() || + !get_dbe(tmp, (unsigned int *)&hpc3c1->pbdma[1])) + return 0; + + sgimc->giopar |= SGIMC_GIOPAR_MASTEREXP1 | SGIMC_GIOPAR_EXP164 | + SGIMC_GIOPAR_HPC264; + hpc3c1->pbus_piocfg[0][0] = 0x3ffff; + /* interrupt/config register on Challenge S Mezz board */ + hpc3c1->pbus_extregs[0][0] = 0x30; + + eth1_pd.hpc = hpc3c1; + eth1_pd.irq = SGI_GIO_0_IRQ; +#define EADDR_NVOFS 250 + for (i = 0; i < 3; i++) { + unsigned short tmp = ip22_eeprom_read(&hpc3c1->eeprom, + EADDR_NVOFS / 2 + i); + + eth1_pd.mac[2 * i] = tmp >> 8; + eth1_pd.mac[2 * i + 1] = tmp & 0xff; + } + + return platform_device_register(ð1_device); +} + +device_initcall(sgiseeq_devinit); |
