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223 lines
4.9 KiB
223 lines
4.9 KiB
// SPDX-License-Identifier: GPL-2.0 |
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#include <linux/init.h> |
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#include <linux/if_ether.h> |
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#include <linux/kernel.h> |
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#include <linux/platform_device.h> |
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#include <linux/dma-mapping.h> |
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#include <asm/paccess.h> |
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#include <asm/sgi/ip22.h> |
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#include <asm/sgi/hpc3.h> |
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#include <asm/sgi/mc.h> |
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#include <asm/sgi/seeq.h> |
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#include <asm/sgi/wd.h> |
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static struct resource sgiwd93_0_resources[] = { |
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{ |
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.name = "eth0 irq", |
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.start = SGI_WD93_0_IRQ, |
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.end = SGI_WD93_0_IRQ, |
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.flags = IORESOURCE_IRQ |
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} |
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}; |
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static struct sgiwd93_platform_data sgiwd93_0_pd = { |
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.unit = 0, |
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.irq = SGI_WD93_0_IRQ, |
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}; |
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static u64 sgiwd93_0_dma_mask = DMA_BIT_MASK(32); |
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static struct platform_device sgiwd93_0_device = { |
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.name = "sgiwd93", |
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.id = 0, |
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.num_resources = ARRAY_SIZE(sgiwd93_0_resources), |
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.resource = sgiwd93_0_resources, |
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.dev = { |
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.platform_data = &sgiwd93_0_pd, |
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.dma_mask = &sgiwd93_0_dma_mask, |
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.coherent_dma_mask = DMA_BIT_MASK(32), |
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}, |
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}; |
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static struct resource sgiwd93_1_resources[] = { |
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{ |
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.name = "eth0 irq", |
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.start = SGI_WD93_1_IRQ, |
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.end = SGI_WD93_1_IRQ, |
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.flags = IORESOURCE_IRQ |
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} |
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}; |
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static struct sgiwd93_platform_data sgiwd93_1_pd = { |
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.unit = 1, |
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.irq = SGI_WD93_1_IRQ, |
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}; |
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static u64 sgiwd93_1_dma_mask = DMA_BIT_MASK(32); |
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static struct platform_device sgiwd93_1_device = { |
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.name = "sgiwd93", |
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.id = 1, |
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.num_resources = ARRAY_SIZE(sgiwd93_1_resources), |
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.resource = sgiwd93_1_resources, |
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.dev = { |
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.platform_data = &sgiwd93_1_pd, |
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.dma_mask = &sgiwd93_1_dma_mask, |
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.coherent_dma_mask = DMA_BIT_MASK(32), |
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}, |
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}; |
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/* |
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* Create a platform device for the GPI port that receives the |
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* image data from the embedded camera. |
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*/ |
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static int __init sgiwd93_devinit(void) |
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{ |
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int res; |
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sgiwd93_0_pd.hregs = &hpc3c0->scsi_chan0; |
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sgiwd93_0_pd.wdregs = (unsigned char *) hpc3c0->scsi0_ext; |
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res = platform_device_register(&sgiwd93_0_device); |
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if (res) |
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return res; |
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if (!ip22_is_fullhouse()) |
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return 0; |
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sgiwd93_1_pd.hregs = &hpc3c0->scsi_chan1; |
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sgiwd93_1_pd.wdregs = (unsigned char *) hpc3c0->scsi1_ext; |
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return platform_device_register(&sgiwd93_1_device); |
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} |
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device_initcall(sgiwd93_devinit); |
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static struct resource sgiseeq_0_resources[] = { |
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{ |
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.name = "eth0 irq", |
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.start = SGI_ENET_IRQ, |
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.end = SGI_ENET_IRQ, |
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.flags = IORESOURCE_IRQ |
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} |
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}; |
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static struct sgiseeq_platform_data eth0_pd; |
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static u64 sgiseeq_dma_mask = DMA_BIT_MASK(32); |
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static struct platform_device eth0_device = { |
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.name = "sgiseeq", |
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.id = 0, |
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.num_resources = ARRAY_SIZE(sgiseeq_0_resources), |
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.resource = sgiseeq_0_resources, |
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.dev = { |
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.platform_data = ð0_pd, |
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.dma_mask = &sgiseeq_dma_mask, |
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.coherent_dma_mask = DMA_BIT_MASK(32), |
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}, |
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}; |
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static struct resource sgiseeq_1_resources[] = { |
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{ |
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.name = "eth1 irq", |
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.start = SGI_GIO_0_IRQ, |
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.end = SGI_GIO_0_IRQ, |
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.flags = IORESOURCE_IRQ |
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} |
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}; |
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static struct sgiseeq_platform_data eth1_pd; |
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static struct platform_device eth1_device = { |
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.name = "sgiseeq", |
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.id = 1, |
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.num_resources = ARRAY_SIZE(sgiseeq_1_resources), |
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.resource = sgiseeq_1_resources, |
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.dev = { |
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.platform_data = ð1_pd, |
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}, |
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}; |
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/* |
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* Create a platform device for the GPI port that receives the |
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* image data from the embedded camera. |
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*/ |
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static int __init sgiseeq_devinit(void) |
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{ |
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unsigned int pbdma __maybe_unused; |
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int res, i; |
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eth0_pd.hpc = hpc3c0; |
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eth0_pd.irq = SGI_ENET_IRQ; |
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#define EADDR_NVOFS 250 |
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for (i = 0; i < 3; i++) { |
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unsigned short tmp = ip22_nvram_read(EADDR_NVOFS / 2 + i); |
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eth0_pd.mac[2 * i] = tmp >> 8; |
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eth0_pd.mac[2 * i + 1] = tmp & 0xff; |
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} |
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res = platform_device_register(ð0_device); |
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if (res) |
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return res; |
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/* Second HPC is missing? */ |
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if (ip22_is_fullhouse() || |
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get_dbe(pbdma, (unsigned int *)&hpc3c1->pbdma[1])) |
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return 0; |
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sgimc->giopar |= SGIMC_GIOPAR_MASTEREXP1 | SGIMC_GIOPAR_EXP164 | |
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SGIMC_GIOPAR_HPC264; |
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hpc3c1->pbus_piocfg[0][0] = 0x3ffff; |
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/* interrupt/config register on Challenge S Mezz board */ |
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hpc3c1->pbus_extregs[0][0] = 0x30; |
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eth1_pd.hpc = hpc3c1; |
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eth1_pd.irq = SGI_GIO_0_IRQ; |
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#define EADDR_NVOFS 250 |
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for (i = 0; i < 3; i++) { |
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unsigned short tmp = ip22_eeprom_read(&hpc3c1->eeprom, |
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EADDR_NVOFS / 2 + i); |
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eth1_pd.mac[2 * i] = tmp >> 8; |
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eth1_pd.mac[2 * i + 1] = tmp & 0xff; |
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} |
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return platform_device_register(ð1_device); |
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} |
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device_initcall(sgiseeq_devinit); |
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static int __init sgi_hal2_devinit(void) |
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{ |
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return IS_ERR(platform_device_register_simple("sgihal2", 0, NULL, 0)); |
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} |
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device_initcall(sgi_hal2_devinit); |
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static int __init sgi_button_devinit(void) |
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{ |
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if (ip22_is_fullhouse()) |
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return 0; /* full house has no volume buttons */ |
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return IS_ERR(platform_device_register_simple("sgibtns", -1, NULL, 0)); |
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} |
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device_initcall(sgi_button_devinit); |
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static int __init sgi_ds1286_devinit(void) |
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{ |
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struct resource res; |
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memset(&res, 0, sizeof(res)); |
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res.start = HPC3_CHIP0_BASE + offsetof(struct hpc3_regs, rtcregs); |
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res.end = res.start + sizeof(hpc3c0->rtcregs) - 1; |
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res.flags = IORESOURCE_MEM; |
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return IS_ERR(platform_device_register_simple("rtc-ds1286", -1, |
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&res, 1)); |
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} |
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device_initcall(sgi_ds1286_devinit);
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