| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Geert Uytterhoeven | 1264 | 71.98% | 6 | 37.50% |
| Chris Brandt | 174 | 9.91% | 1 | 6.25% |
| Biju Das | 106 | 6.04% | 2 | 12.50% |
| Sergei Shtylyov | 78 | 4.44% | 2 | 12.50% |
| Takeshi Kihara | 54 | 3.08% | 2 | 12.50% |
| Fabrizio Castro | 39 | 2.22% | 1 | 6.25% |
| Jacopo Mondi | 39 | 2.22% | 1 | 6.25% |
| Kuninori Morimoto | 2 | 0.11% | 1 | 6.25% |
| Total | 1756 | 16 |
// SPDX-License-Identifier: GPL-2.0 /* * Renesas SoC Identification * * Copyright (C) 2014-2016 Glider bvba */ #include <linux/io.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/sys_soc.h> struct renesas_family { const char name[16]; u32 reg; /* CCCR or PRR, if not in DT */ }; static const struct renesas_family fam_rcar_gen1 __initconst __maybe_unused = { .name = "R-Car Gen1", .reg = 0xff000044, /* PRR (Product Register) */ }; static const struct renesas_family fam_rcar_gen2 __initconst __maybe_unused = { .name = "R-Car Gen2", .reg = 0xff000044, /* PRR (Product Register) */ }; static const struct renesas_family fam_rcar_gen3 __initconst __maybe_unused = { .name = "R-Car Gen3", .reg = 0xfff00044, /* PRR (Product Register) */ }; static const struct renesas_family fam_rmobile __initconst __maybe_unused = { .name = "R-Mobile", .reg = 0xe600101c, /* CCCR (Common Chip Code Register) */ }; static const struct renesas_family fam_rza1 __initconst __maybe_unused = { .name = "RZ/A1", }; static const struct renesas_family fam_rza2 __initconst __maybe_unused = { .name = "RZ/A2", }; static const struct renesas_family fam_rzg1 __initconst __maybe_unused = { .name = "RZ/G1", .reg = 0xff000044, /* PRR (Product Register) */ }; static const struct renesas_family fam_rzg2 __initconst __maybe_unused = { .name = "RZ/G2", .reg = 0xfff00044, /* PRR (Product Register) */ }; static const struct renesas_family fam_shmobile __initconst __maybe_unused = { .name = "SH-Mobile", .reg = 0xe600101c, /* CCCR (Common Chip Code Register) */ }; struct renesas_soc { const struct renesas_family *family; u8 id; }; static const struct renesas_soc soc_rz_a1h __initconst __maybe_unused = { .family = &fam_rza1, }; static const struct renesas_soc soc_rz_a2m __initconst __maybe_unused = { .family = &fam_rza2, .id = 0x3b, }; static const struct renesas_soc soc_rmobile_ape6 __initconst __maybe_unused = { .family = &fam_rmobile, .id = 0x3f, }; static const struct renesas_soc soc_rmobile_a1 __initconst __maybe_unused = { .family = &fam_rmobile, .id = 0x40, }; static const struct renesas_soc soc_rz_g1h __initconst __maybe_unused = { .family = &fam_rzg1, .id = 0x45, }; static const struct renesas_soc soc_rz_g1m __initconst __maybe_unused = { .family = &fam_rzg1, .id = 0x47, }; static const struct renesas_soc soc_rz_g1n __initconst __maybe_unused = { .family = &fam_rzg1, .id = 0x4b, }; static const struct renesas_soc soc_rz_g1e __initconst __maybe_unused = { .family = &fam_rzg1, .id = 0x4c, }; static const struct renesas_soc soc_rz_g1c __initconst __maybe_unused = { .family = &fam_rzg1, .id = 0x53, }; static const struct renesas_soc soc_rz_g2m __initconst __maybe_unused = { .family = &fam_rzg2, .id = 0x52, }; static const struct renesas_soc soc_rz_g2e __initconst __maybe_unused = { .family = &fam_rzg2, .id = 0x57, }; static const struct renesas_soc soc_rcar_m1a __initconst __maybe_unused = { .family = &fam_rcar_gen1, }; static const struct renesas_soc soc_rcar_h1 __initconst __maybe_unused = { .family = &fam_rcar_gen1, .id = 0x3b, }; static const struct renesas_soc soc_rcar_h2 __initconst __maybe_unused = { .family = &fam_rcar_gen2, .id = 0x45, }; static const struct renesas_soc soc_rcar_m2_w __initconst __maybe_unused = { .family = &fam_rcar_gen2, .id = 0x47, }; static const struct renesas_soc soc_rcar_v2h __initconst __maybe_unused = { .family = &fam_rcar_gen2, .id = 0x4a, }; static const struct renesas_soc soc_rcar_m2_n __initconst __maybe_unused = { .family = &fam_rcar_gen2, .id = 0x4b, }; static const struct renesas_soc soc_rcar_e2 __initconst __maybe_unused = { .family = &fam_rcar_gen2, .id = 0x4c, }; static const struct renesas_soc soc_rcar_h3 __initconst __maybe_unused = { .family = &fam_rcar_gen3, .id = 0x4f, }; static const struct renesas_soc soc_rcar_m3_w __initconst __maybe_unused = { .family = &fam_rcar_gen3, .id = 0x52, }; static const struct renesas_soc soc_rcar_m3_n __initconst __maybe_unused = { .family = &fam_rcar_gen3, .id = 0x55, }; static const struct renesas_soc soc_rcar_v3m __initconst __maybe_unused = { .family = &fam_rcar_gen3, .id = 0x54, }; static const struct renesas_soc soc_rcar_v3h __initconst __maybe_unused = { .family = &fam_rcar_gen3, .id = 0x56, }; static const struct renesas_soc soc_rcar_e3 __initconst __maybe_unused = { .family = &fam_rcar_gen3, .id = 0x57, }; static const struct renesas_soc soc_rcar_d3 __initconst __maybe_unused = { .family = &fam_rcar_gen3, .id = 0x58, }; static const struct renesas_soc soc_shmobile_ag5 __initconst __maybe_unused = { .family = &fam_shmobile, .id = 0x37, }; static const struct of_device_id renesas_socs[] __initconst = { #ifdef CONFIG_ARCH_R7S72100 { .compatible = "renesas,r7s72100", .data = &soc_rz_a1h }, #endif #ifdef CONFIG_ARCH_R7S9210 { .compatible = "renesas,r7s9210", .data = &soc_rz_a2m }, #endif #ifdef CONFIG_ARCH_R8A73A4 { .compatible = "renesas,r8a73a4", .data = &soc_rmobile_ape6 }, #endif #ifdef CONFIG_ARCH_R8A7740 { .compatible = "renesas,r8a7740", .data = &soc_rmobile_a1 }, #endif #ifdef CONFIG_ARCH_R8A7742 { .compatible = "renesas,r8a7742", .data = &soc_rz_g1h }, #endif #ifdef CONFIG_ARCH_R8A7743 { .compatible = "renesas,r8a7743", .data = &soc_rz_g1m }, #endif #ifdef CONFIG_ARCH_R8A7744 { .compatible = "renesas,r8a7744", .data = &soc_rz_g1n }, #endif #ifdef CONFIG_ARCH_R8A7745 { .compatible = "renesas,r8a7745", .data = &soc_rz_g1e }, #endif #ifdef CONFIG_ARCH_R8A77470 { .compatible = "renesas,r8a77470", .data = &soc_rz_g1c }, #endif #ifdef CONFIG_ARCH_R8A774A1 { .compatible = "renesas,r8a774a1", .data = &soc_rz_g2m }, #endif #ifdef CONFIG_ARCH_R8A774C0 { .compatible = "renesas,r8a774c0", .data = &soc_rz_g2e }, #endif #ifdef CONFIG_ARCH_R8A7778 { .compatible = "renesas,r8a7778", .data = &soc_rcar_m1a }, #endif #ifdef CONFIG_ARCH_R8A7779 { .compatible = "renesas,r8a7779", .data = &soc_rcar_h1 }, #endif #ifdef CONFIG_ARCH_R8A7790 { .compatible = "renesas,r8a7790", .data = &soc_rcar_h2 }, #endif #ifdef CONFIG_ARCH_R8A7791 { .compatible = "renesas,r8a7791", .data = &soc_rcar_m2_w }, #endif #ifdef CONFIG_ARCH_R8A7792 { .compatible = "renesas,r8a7792", .data = &soc_rcar_v2h }, #endif #ifdef CONFIG_ARCH_R8A7793 { .compatible = "renesas,r8a7793", .data = &soc_rcar_m2_n }, #endif #ifdef CONFIG_ARCH_R8A7794 { .compatible = "renesas,r8a7794", .data = &soc_rcar_e2 }, #endif #ifdef CONFIG_ARCH_R8A7795 { .compatible = "renesas,r8a7795", .data = &soc_rcar_h3 }, #endif #ifdef CONFIG_ARCH_R8A7796 { .compatible = "renesas,r8a7796", .data = &soc_rcar_m3_w }, #endif #ifdef CONFIG_ARCH_R8A77965 { .compatible = "renesas,r8a77965", .data = &soc_rcar_m3_n }, #endif #ifdef CONFIG_ARCH_R8A77970 { .compatible = "renesas,r8a77970", .data = &soc_rcar_v3m }, #endif #ifdef CONFIG_ARCH_R8A77980 { .compatible = "renesas,r8a77980", .data = &soc_rcar_v3h }, #endif #ifdef CONFIG_ARCH_R8A77990 { .compatible = "renesas,r8a77990", .data = &soc_rcar_e3 }, #endif #ifdef CONFIG_ARCH_R8A77995 { .compatible = "renesas,r8a77995", .data = &soc_rcar_d3 }, #endif #ifdef CONFIG_ARCH_SH73A0 { .compatible = "renesas,sh73a0", .data = &soc_shmobile_ag5 }, #endif { /* sentinel */ } }; static int __init renesas_soc_init(void) { struct soc_device_attribute *soc_dev_attr; const struct renesas_family *family; const struct of_device_id *match; const struct renesas_soc *soc; void __iomem *chipid = NULL; struct soc_device *soc_dev; struct device_node *np; unsigned int product, eshi = 0, eslo; match = of_match_node(renesas_socs, of_root); if (!match) return -ENODEV; soc = match->data; family = soc->family; np = of_find_compatible_node(NULL, NULL, "renesas,bsid"); if (np) { chipid = of_iomap(np, 0); of_node_put(np); if (chipid) { product = readl(chipid); iounmap(chipid); if (soc->id && ((product >> 16) & 0xff) != soc->id) { pr_warn("SoC mismatch (product = 0x%x)\n", product); return -ENODEV; } } /* * TODO: Upper 4 bits of BSID are for chip version, but the * format is not known at this time so we don't know how to * specify eshi and eslo */ goto done; } /* Try PRR first, then hardcoded fallback */ np = of_find_compatible_node(NULL, NULL, "renesas,prr"); if (np) { chipid = of_iomap(np, 0); of_node_put(np); } else if (soc->id) { chipid = ioremap(family->reg, 4); } if (chipid) { product = readl(chipid); iounmap(chipid); /* R-Car M3-W ES1.1 incorrectly identifies as ES2.0 */ if ((product & 0x7fff) == 0x5210) product ^= 0x11; /* R-Car M3-W ES1.3 incorrectly identifies as ES2.1 */ if ((product & 0x7fff) == 0x5211) product ^= 0x12; if (soc->id && ((product >> 8) & 0xff) != soc->id) { pr_warn("SoC mismatch (product = 0x%x)\n", product); return -ENODEV; } eshi = ((product >> 4) & 0x0f) + 1; eslo = product & 0xf; } done: soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL); if (!soc_dev_attr) return -ENOMEM; np = of_find_node_by_path("/"); of_property_read_string(np, "model", &soc_dev_attr->machine); of_node_put(np); soc_dev_attr->family = kstrdup_const(family->name, GFP_KERNEL); soc_dev_attr->soc_id = kstrdup_const(strchr(match->compatible, ',') + 1, GFP_KERNEL); if (eshi) soc_dev_attr->revision = kasprintf(GFP_KERNEL, "ES%u.%u", eshi, eslo); pr_info("Detected Renesas %s %s %s\n", soc_dev_attr->family, soc_dev_attr->soc_id, soc_dev_attr->revision ?: ""); soc_dev = soc_device_register(soc_dev_attr); if (IS_ERR(soc_dev)) { kfree(soc_dev_attr->revision); kfree_const(soc_dev_attr->soc_id); kfree_const(soc_dev_attr->family); kfree(soc_dev_attr); return PTR_ERR(soc_dev); } return 0; } early_initcall(renesas_soc_init);
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