| // SPDX-License-Identifier: GPL-2.0 |
| |
| /* |
| * Microcode patches for the CPM as supplied by Motorola. |
| * This is the one for IIC/SPI. There is a newer one that |
| * also relocates SMC2, but this would require additional changes |
| * to uart.c, so I am holding off on that for a moment. |
| */ |
| #include <linux/init.h> |
| #include <linux/errno.h> |
| #include <linux/sched.h> |
| #include <linux/kernel.h> |
| #include <linux/param.h> |
| #include <linux/string.h> |
| #include <linux/mm.h> |
| #include <linux/interrupt.h> |
| #include <asm/irq.h> |
| #include <asm/page.h> |
| #include <asm/pgtable.h> |
| #include <asm/8xx_immap.h> |
| #include <asm/cpm.h> |
| #include <asm/cpm1.h> |
| |
| struct patch_params { |
| ushort rccr; |
| ushort cpmcr1; |
| ushort cpmcr2; |
| ushort cpmcr3; |
| ushort cpmcr4; |
| }; |
| |
| /* |
| * I2C/SPI relocation patch arrays. |
| */ |
| |
| #ifdef CONFIG_I2C_SPI_UCODE_PATCH |
| |
| static char patch_name[] __initdata = "I2C/SPI"; |
| |
| static struct patch_params patch_params __initdata = { |
| 1, 0x802a, 0x8028, 0x802e, 0x802c, |
| }; |
| |
| static uint patch_2000[] __initdata = { |
| 0x7FFFEFD9, 0x3FFD0000, 0x7FFB49F7, 0x7FF90000, |
| 0x5FEFADF7, 0x5F89ADF7, 0x5FEFAFF7, 0x5F89AFF7, |
| 0x3A9CFBC8, 0xE7C0EDF0, 0x77C1E1BB, 0xF4DC7F1D, |
| 0xABAD932F, 0x4E08FDCF, 0x6E0FAFF8, 0x7CCF76CF, |
| 0xFD1FF9CF, 0xABF88DC6, 0xAB5679F7, 0xB0937383, |
| 0xDFCE79F7, 0xB091E6BB, 0xE5BBE74F, 0xB3FA6F0F, |
| 0x6FFB76CE, 0xEE0DF9CF, 0x2BFBEFEF, 0xCFEEF9CF, |
| 0x76CEAD24, 0x90B2DF9A, 0x7FDDD0BF, 0x4BF847FD, |
| 0x7CCF76CE, 0xCFEF7E1F, 0x7F1D7DFD, 0xF0B6EF71, |
| 0x7FC177C1, 0xFBC86079, 0xE722FBC8, 0x5FFFDFFF, |
| 0x5FB2FFFB, 0xFBC8F3C8, 0x94A67F01, 0x7F1D5F39, |
| 0xAFE85F5E, 0xFFDFDF96, 0xCB9FAF7D, 0x5FC1AFED, |
| 0x8C1C5FC1, 0xAFDD5FC3, 0xDF9A7EFD, 0xB0B25FB2, |
| 0xFFFEABAD, 0x5FB2FFFE, 0x5FCE600B, 0xE6BB600B, |
| 0x5FCEDFC6, 0x27FBEFDF, 0x5FC8CFDE, 0x3A9CE7C0, |
| 0xEDF0F3C8, 0x7F0154CD, 0x7F1D2D3D, 0x363A7570, |
| 0x7E0AF1CE, 0x37EF2E68, 0x7FEE10EC, 0xADF8EFDE, |
| 0xCFEAE52F, 0x7D0FE12B, 0xF1CE5F65, 0x7E0A4DF8, |
| 0xCFEA5F72, 0x7D0BEFEE, 0xCFEA5F74, 0xE522EFDE, |
| 0x5F74CFDA, 0x0B627385, 0xDF627E0A, 0x30D8145B, |
| 0xBFFFF3C8, 0x5FFFDFFF, 0xA7F85F5E, 0xBFFE7F7D, |
| 0x10D31450, 0x5F36BFFF, 0xAF785F5E, 0xBFFDA7F8, |
| 0x5F36BFFE, 0x77FD30C0, 0x4E08FDCF, 0xE5FF6E0F, |
| 0xAFF87E1F, 0x7E0FFD1F, 0xF1CF5F1B, 0xABF80D5E, |
| 0x5F5EFFEF, 0x79F730A2, 0xAFDD5F34, 0x47F85F34, |
| 0xAFED7FDD, 0x50B24978, 0x47FD7F1D, 0x7DFD70AD, |
| 0xEF717EC1, 0x6BA47F01, 0x2D267EFD, 0x30DE5F5E, |
| 0xFFFD5F5E, 0xFFEF5F5E, 0xFFDF0CA0, 0xAFED0A9E, |
| 0xAFDD0C3A, 0x5F3AAFBD, 0x7FBDB082, 0x5F8247F8 |
| }; |
| |
| static uint patch_2f00[] __initdata = { |
| 0x3E303430, 0x34343737, 0xABF7BF9B, 0x994B4FBD, |
| 0xBD599493, 0x349FFF37, 0xFB9B177D, 0xD9936956, |
| 0xBBFDD697, 0xBDD2FD11, 0x31DB9BB3, 0x63139637, |
| 0x93733693, 0x193137F7, 0x331737AF, 0x7BB9B999, |
| 0xBB197957, 0x7FDFD3D5, 0x73B773F7, 0x37933B99, |
| 0x1D115316, 0x99315315, 0x31694BF4, 0xFBDBD359, |
| 0x31497353, 0x76956D69, 0x7B9D9693, 0x13131979, |
| 0x79376935 |
| }; |
| |
| static uint patch_2e00[] __initdata = {}; |
| #endif |
| |
| /* |
| * I2C/SPI/SMC1 relocation patch arrays. |
| */ |
| |
| #ifdef CONFIG_I2C_SPI_SMC1_UCODE_PATCH |
| |
| static char patch_name[] __initdata = "I2C/SPI/SMC1"; |
| |
| static struct patch_params patch_params __initdata = { |
| 3, 0x8080, 0x808a, 0x8028, 0x802a, |
| }; |
| |
| static uint patch_2000[] __initdata = { |
| 0x3fff0000, 0x3ffd0000, 0x3ffb0000, 0x3ff90000, |
| 0x5f13eff8, 0x5eb5eff8, 0x5f88adf7, 0x5fefadf7, |
| 0x3a9cfbc8, 0x77cae1bb, 0xf4de7fad, 0xabae9330, |
| 0x4e08fdcf, 0x6e0faff8, 0x7ccf76cf, 0xfdaff9cf, |
| 0xabf88dc8, 0xab5879f7, 0xb0925d8d, 0xdfd079f7, |
| 0xb090e6bb, 0xe5bbe74f, 0x9e046f0f, 0x6ffb76ce, |
| 0xee0cf9cf, 0x2bfbefef, 0xcfeef9cf, 0x76cead23, |
| 0x90b3df99, 0x7fddd0c1, 0x4bf847fd, 0x7ccf76ce, |
| 0xcfef77ca, 0x7eaf7fad, 0x7dfdf0b7, 0xef7a7fca, |
| 0x77cafbc8, 0x6079e722, 0xfbc85fff, 0xdfff5fb3, |
| 0xfffbfbc8, 0xf3c894a5, 0xe7c9edf9, 0x7f9a7fad, |
| 0x5f36afe8, 0x5f5bffdf, 0xdf95cb9e, 0xaf7d5fc3, |
| 0xafed8c1b, 0x5fc3afdd, 0x5fc5df99, 0x7efdb0b3, |
| 0x5fb3fffe, 0xabae5fb3, 0xfffe5fd0, 0x600be6bb, |
| 0x600b5fd0, 0xdfc827fb, 0xefdf5fca, 0xcfde3a9c, |
| 0xe7c9edf9, 0xf3c87f9e, 0x54ca7fed, 0x2d3a3637, |
| 0x756f7e9a, 0xf1ce37ef, 0x2e677fee, 0x10ebadf8, |
| 0xefdecfea, 0xe52f7d9f, 0xe12bf1ce, 0x5f647e9a, |
| 0x4df8cfea, 0x5f717d9b, 0xefeecfea, 0x5f73e522, |
| 0xefde5f73, 0xcfda0b61, 0x5d8fdf61, 0xe7c9edf9, |
| 0x7e9a30d5, 0x1458bfff, 0xf3c85fff, 0xdfffa7f8, |
| 0x5f5bbffe, 0x7f7d10d0, 0x144d5f33, 0xbfffaf78, |
| 0x5f5bbffd, 0xa7f85f33, 0xbffe77fd, 0x30bd4e08, |
| 0xfdcfe5ff, 0x6e0faff8, 0x7eef7e9f, 0xfdeff1cf, |
| 0x5f17abf8, 0x0d5b5f5b, 0xffef79f7, 0x309eafdd, |
| 0x5f3147f8, 0x5f31afed, 0x7fdd50af, 0x497847fd, |
| 0x7f9e7fed, 0x7dfd70a9, 0xef7e7ece, 0x6ba07f9e, |
| 0x2d227efd, 0x30db5f5b, 0xfffd5f5b, 0xffef5f5b, |
| 0xffdf0c9c, 0xafed0a9a, 0xafdd0c37, 0x5f37afbd, |
| 0x7fbdb081, 0x5f8147f8, 0x3a11e710, 0xedf0ccdd, |
| 0xf3186d0a, 0x7f0e5f06, 0x7fedbb38, 0x3afe7468, |
| 0x7fedf4fc, 0x8ffbb951, 0xb85f77fd, 0xb0df5ddd, |
| 0xdefe7fed, 0x90e1e74d, 0x6f0dcbf7, 0xe7decfed, |
| 0xcb74cfed, 0xcfeddf6d, 0x91714f74, 0x5dd2deef, |
| 0x9e04e7df, 0xefbb6ffb, 0xe7ef7f0e, 0x9e097fed, |
| 0xebdbeffa, 0xeb54affb, 0x7fea90d7, 0x7e0cf0c3, |
| 0xbffff318, 0x5fffdfff, 0xac59efea, 0x7fce1ee5, |
| 0xe2ff5ee1, 0xaffbe2ff, 0x5ee3affb, 0xf9cc7d0f, |
| 0xaef8770f, 0x7d0fb0c6, 0xeffbbfff, 0xcfef5ede, |
| 0x7d0fbfff, 0x5ede4cf8, 0x7fddd0bf, 0x49f847fd, |
| 0x7efdf0bb, 0x7fedfffd, 0x7dfdf0b7, 0xef7e7e1e, |
| 0x5ede7f0e, 0x3a11e710, 0xedf0ccab, 0xfb18ad2e, |
| 0x1ea9bbb8, 0x74283b7e, 0x73c2e4bb, 0x2ada4fb8, |
| 0xdc21e4bb, 0xb2a1ffbf, 0x5e2c43f8, 0xfc87e1bb, |
| 0xe74ffd91, 0x6f0f4fe8, 0xc7ba32e2, 0xf396efeb, |
| 0x600b4f78, 0xe5bb760b, 0x53acaef8, 0x4ef88b0e, |
| 0xcfef9e09, 0xabf8751f, 0xefef5bac, 0x741f4fe8, |
| 0x751e760d, 0x7fdbf081, 0x741cafce, 0xefcc7fce, |
| 0x751e70ac, 0x741ce7bb, 0x3372cfed, 0xafdbefeb, |
| 0xe5bb760b, 0x53f2aef8, 0xafe8e7eb, 0x4bf8771e, |
| 0x7e247fed, 0x4fcbe2cc, 0x7fbc30a9, 0x7b0f7a0f, |
| 0x34d577fd, 0x308b5db7, 0xde553e5f, 0xaf78741f, |
| 0x741f30f0, 0xcfef5e2c, 0x741f3eac, 0xafb8771e, |
| 0x5e677fed, 0x0bd3e2cc, 0x741ccfec, 0xe5ca53cd, |
| 0x6fcb4f74, 0x5dadde4b, 0x2ab63d38, 0x4bb3de30, |
| 0x751f741c, 0x6c42effa, 0xefea7fce, 0x6ffc30be, |
| 0xefec3fca, 0x30b3de2e, 0xadf85d9e, 0xaf7daefd, |
| 0x5d9ede2e, 0x5d9eafdd, 0x761f10ac, 0x1da07efd, |
| 0x30adfffe, 0x4908fb18, 0x5fffdfff, 0xafbb709b, |
| 0x4ef85e67, 0xadf814ad, 0x7a0f70ad, 0xcfef50ad, |
| 0x7a0fde30, 0x5da0afed, 0x3c12780f, 0xefef780f, |
| 0xefef790f, 0xa7f85e0f, 0xffef790f, 0xefef790f, |
| 0x14adde2e, 0x5d9eadfd, 0x5e2dfffb, 0xe79addfd, |
| 0xeff96079, 0x607ae79a, 0xddfceff9, 0x60795dff, |
| 0x607acfef, 0xefefefdf, 0xefbfef7f, 0xeeffedff, |
| 0xebffe7ff, 0xafefafdf, 0xafbfaf7f, 0xaeffadff, |
| 0xabffa7ff, 0x6fef6fdf, 0x6fbf6f7f, 0x6eff6dff, |
| 0x6bff67ff, 0x2fef2fdf, 0x2fbf2f7f, 0x2eff2dff, |
| 0x2bff27ff, 0x4e08fd1f, 0xe5ff6e0f, 0xaff87eef, |
| 0x7e0ffdef, 0xf11f6079, 0xabf8f542, 0x7e0af11c, |
| 0x37cfae3a, 0x7fec90be, 0xadf8efdc, 0xcfeae52f, |
| 0x7d0fe12b, 0xf11c6079, 0x7e0a4df8, 0xcfea5dc4, |
| 0x7d0befec, 0xcfea5dc6, 0xe522efdc, 0x5dc6cfda, |
| 0x4e08fd1f, 0x6e0faff8, 0x7c1f761f, 0xfdeff91f, |
| 0x6079abf8, 0x761cee24, 0xf91f2bfb, 0xefefcfec, |
| 0xf91f6079, 0x761c27fb, 0xefdf5da7, 0xcfdc7fdd, |
| 0xd09c4bf8, 0x47fd7c1f, 0x761ccfcf, 0x7eef7fed, |
| 0x7dfdf093, 0xef7e7f1e, 0x771efb18, 0x6079e722, |
| 0xe6bbe5bb, 0xae0ae5bb, 0x600bae85, 0xe2bbe2bb, |
| 0xe2bbe2bb, 0xaf02e2bb, 0xe2bb2ff9, 0x6079e2bb |
| }; |
| |
| static uint patch_2f00[] __initdata = { |
| 0x30303030, 0x3e3e3434, 0xabbf9b99, 0x4b4fbdbd, |
| 0x59949334, 0x9fff37fb, 0x9b177dd9, 0x936956bb, |
| 0xfbdd697b, 0xdd2fd113, 0x1db9f7bb, 0x36313963, |
| 0x79373369, 0x3193137f, 0x7331737a, 0xf7bb9b99, |
| 0x9bb19795, 0x77fdfd3d, 0x573b773f, 0x737933f7, |
| 0xb991d115, 0x31699315, 0x31531694, 0xbf4fbdbd, |
| 0x35931497, 0x35376956, 0xbd697b9d, 0x96931313, |
| 0x19797937, 0x6935af78, 0xb9b3baa3, 0xb8788683, |
| 0x368f78f7, 0x87778733, 0x3ffffb3b, 0x8e8f78b8, |
| 0x1d118e13, 0xf3ff3f8b, 0x6bd8e173, 0xd1366856, |
| 0x68d1687b, 0x3daf78b8, 0x3a3a3f87, 0x8f81378f, |
| 0xf876f887, 0x77fd8778, 0x737de8d6, 0xbbf8bfff, |
| 0xd8df87f7, 0xfd876f7b, 0x8bfff8bd, 0x8683387d, |
| 0xb873d87b, 0x3b8fd7f8, 0xf7338883, 0xbb8ee1f8, |
| 0xef837377, 0x3337b836, 0x817d11f8, 0x7378b878, |
| 0xd3368b7d, 0xed731b7d, 0x833731f3, 0xf22f3f23 |
| }; |
| |
| static uint patch_2e00[] __initdata = { |
| 0x27eeeeee, 0xeeeeeeee, 0xeeeeeeee, 0xeeeeeeee, |
| 0xee4bf4fb, 0xdbd259bb, 0x1979577f, 0xdfd2d573, |
| 0xb773f737, 0x4b4fbdbd, 0x25b9b177, 0xd2d17376, |
| 0x956bbfdd, 0x697bdd2f, 0xff9f79ff, 0xff9ff22f |
| }; |
| #endif |
| |
| /* |
| * USB SOF patch arrays. |
| */ |
| |
| #ifdef CONFIG_USB_SOF_UCODE_PATCH |
| |
| static char patch_name[] __initdata = "USB SOF"; |
| |
| static struct patch_params patch_params __initdata = { |
| 9, |
| }; |
| |
| static uint patch_2000[] __initdata = { |
| 0x7fff0000, 0x7ffd0000, 0x7ffb0000, 0x49f7ba5b, |
| 0xba383ffb, 0xf9b8b46d, 0xe5ab4e07, 0xaf77bffe, |
| 0x3f7bbf79, 0xba5bba38, 0xe7676076, 0x60750000 |
| }; |
| |
| static uint patch_2f00[] __initdata = { |
| 0x3030304c, 0xcab9e441, 0xa1aaf220 |
| }; |
| |
| static uint patch_2e00[] __initdata = {}; |
| #endif |
| |
| static void __init cpm_write_patch(cpm8xx_t *cp, int offset, uint *patch, int len) |
| { |
| if (!len) |
| return; |
| memcpy_toio(cp->cp_dpmem + offset, patch, len); |
| } |
| |
| void __init cpm_load_patch(cpm8xx_t *cp) |
| { |
| volatile cpm8xx_t *commproc; |
| #if defined(CONFIG_I2C_SPI_UCODE_PATCH) || \ |
| defined(CONFIG_I2C_SPI_SMC1_UCODE_PATCH) |
| volatile iic_t *iip; |
| volatile struct spi_pram *spp; |
| #ifdef CONFIG_I2C_SPI_SMC1_UCODE_PATCH |
| volatile smc_uart_t *smp; |
| #endif |
| #endif |
| commproc = cp; |
| |
| commproc->cp_rccr = 0; |
| |
| cpm_write_patch(cp, 0, patch_2000, sizeof(patch_2000)); |
| cpm_write_patch(cp, 0xf00, patch_2f00, sizeof(patch_2f00)); |
| cpm_write_patch(cp, 0xe00, patch_2e00, sizeof(patch_2e00)); |
| |
| #if defined(CONFIG_I2C_SPI_UCODE_PATCH) || \ |
| defined(CONFIG_I2C_SPI_SMC1_UCODE_PATCH) |
| |
| iip = (iic_t *)&commproc->cp_dparam[PROFF_IIC]; |
| # define RPBASE 0x0500 |
| iip->iic_rpbase = RPBASE; |
| |
| /* Put SPI above the IIC, also 32-byte aligned. |
| */ |
| spp = (struct spi_pram *)&commproc->cp_dparam[PROFF_SPI]; |
| spp->rpbase = (RPBASE + sizeof(iic_t) + 31) & ~31; |
| |
| # if defined(CONFIG_I2C_SPI_SMC1_UCODE_PATCH) |
| smp = (smc_uart_t *)&commproc->cp_dparam[PROFF_SMC1]; |
| smp->smc_rpbase = 0x1FC0; |
| # endif /* CONFIG_I2C_SPI_SMC1_UCODE_PATCH) */ |
| |
| #endif /* some variation of the I2C/SPI patch was selected */ |
| |
| commproc->cp_cpmcr1 = patch_params.cpmcr1; |
| commproc->cp_cpmcr2 = patch_params.cpmcr2; |
| commproc->cp_cpmcr3 = patch_params.cpmcr3; |
| commproc->cp_cpmcr4 = patch_params.cpmcr4; |
| |
| commproc->cp_rccr = patch_params.rccr; |
| |
| pr_info("%s microcode patch installed\n", patch_name); |
| } |
