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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 | /* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr> */ #include <linux/init.h> #include <linux/kernel.h> #include <linux/platform_device.h> #include <bcm63xx_dev_enet.h> #include <bcm63xx_io.h> #include <bcm63xx_regs.h> static struct resource shared_res[] = { { .start = -1, /* filled at runtime */ .end = -1, /* filled at runtime */ .flags = IORESOURCE_MEM, }, }; static struct platform_device bcm63xx_enet_shared_device = { .name = "bcm63xx_enet_shared", .id = 0, .num_resources = ARRAY_SIZE(shared_res), .resource = shared_res, }; static int shared_device_registered; static struct resource enet0_res[] = { { .start = -1, /* filled at runtime */ .end = -1, /* filled at runtime */ .flags = IORESOURCE_MEM, }, { .start = -1, /* filled at runtime */ .flags = IORESOURCE_IRQ, }, { .start = -1, /* filled at runtime */ .flags = IORESOURCE_IRQ, }, { .start = -1, /* filled at runtime */ .flags = IORESOURCE_IRQ, }, }; static struct bcm63xx_enet_platform_data enet0_pd; static struct platform_device bcm63xx_enet0_device = { .name = "bcm63xx_enet", .id = 0, .num_resources = ARRAY_SIZE(enet0_res), .resource = enet0_res, .dev = { .platform_data = &enet0_pd, }, }; static struct resource enet1_res[] = { { .start = -1, /* filled at runtime */ .end = -1, /* filled at runtime */ .flags = IORESOURCE_MEM, }, { .start = -1, /* filled at runtime */ .flags = IORESOURCE_IRQ, }, { .start = -1, /* filled at runtime */ .flags = IORESOURCE_IRQ, }, { .start = -1, /* filled at runtime */ .flags = IORESOURCE_IRQ, }, }; static struct bcm63xx_enet_platform_data enet1_pd; static struct platform_device bcm63xx_enet1_device = { .name = "bcm63xx_enet", .id = 1, .num_resources = ARRAY_SIZE(enet1_res), .resource = enet1_res, .dev = { .platform_data = &enet1_pd, }, }; int __init bcm63xx_enet_register(int unit, const struct bcm63xx_enet_platform_data *pd) { struct platform_device *pdev; struct bcm63xx_enet_platform_data *dpd; int ret; if (unit > 1) return -ENODEV; if (unit == 1 && BCMCPU_IS_6338()) return -ENODEV; if (!shared_device_registered) { shared_res[0].start = bcm63xx_regset_address(RSET_ENETDMA); shared_res[0].end = shared_res[0].start; if (BCMCPU_IS_6338()) shared_res[0].end += (RSET_ENETDMA_SIZE / 2) - 1; else shared_res[0].end += (RSET_ENETDMA_SIZE) - 1; ret = platform_device_register(&bcm63xx_enet_shared_device); if (ret) return ret; shared_device_registered = 1; } if (unit == 0) { enet0_res[0].start = bcm63xx_regset_address(RSET_ENET0); enet0_res[0].end = enet0_res[0].start; enet0_res[0].end += RSET_ENET_SIZE - 1; enet0_res[1].start = bcm63xx_get_irq_number(IRQ_ENET0); enet0_res[2].start = bcm63xx_get_irq_number(IRQ_ENET0_RXDMA); enet0_res[3].start = bcm63xx_get_irq_number(IRQ_ENET0_TXDMA); pdev = &bcm63xx_enet0_device; } else { enet1_res[0].start = bcm63xx_regset_address(RSET_ENET1); enet1_res[0].end = enet1_res[0].start; enet1_res[0].end += RSET_ENET_SIZE - 1; enet1_res[1].start = bcm63xx_get_irq_number(IRQ_ENET1); enet1_res[2].start = bcm63xx_get_irq_number(IRQ_ENET1_RXDMA); enet1_res[3].start = bcm63xx_get_irq_number(IRQ_ENET1_TXDMA); pdev = &bcm63xx_enet1_device; } /* copy given platform data */ dpd = pdev->dev.platform_data; memcpy(dpd, pd, sizeof(*pd)); /* adjust them in case internal phy is used */ if (dpd->use_internal_phy) { /* internal phy only exists for enet0 */ if (unit == 1) return -ENODEV; dpd->phy_id = 1; dpd->has_phy_interrupt = 1; dpd->phy_interrupt = bcm63xx_get_irq_number(IRQ_ENET_PHY); } ret = platform_device_register(pdev); if (ret) return ret; return 0; } |