Logo Search packages:      
Sourcecode: linux version File versions  Download package

micropatch.c

/* 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/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/mpc8xx.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/8xx_immap.h>
#include <asm/cpm1.h>

/*
 * I2C/SPI relocation patch arrays.
 */

#ifdef CONFIG_I2C_SPI_UCODE_PATCH

uint patch_2000[] = {
      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
};

uint patch_2f00[] = {
      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
};
#endif

/*
 * I2C/SPI/SMC1 relocation patch arrays.
 */

#ifdef CONFIG_I2C_SPI_SMC1_UCODE_PATCH

uint patch_2000[] = {
      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
};

uint patch_2f00[] = {
      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
};

uint patch_2e00[] = {
      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

uint patch_2000[] = {
      0x7fff0000,
      0x7ffd0000,
      0x7ffb0000,
      0x49f7ba5b,
      0xba383ffb,
      0xf9b8b46d,
      0xe5ab4e07,
      0xaf77bffe,
      0x3f7bbf79,
      0xba5bba38,
      0xe7676076,
      0x60750000
};

uint patch_2f00[] = {
      0x3030304c,
      0xcab9e441,
      0xa1aaf220
};
#endif

void
cpm_load_patch(cpm8xx_t *cp)
{
      volatile uint           *dp;        /* Dual-ported RAM. */
      volatile cpm8xx_t *commproc;
      volatile iic_t          *iip;
      volatile spi_t          *spp;
      volatile smc_uart_t     *smp;
      int   i;

      commproc = cp;

#ifdef CONFIG_USB_SOF_UCODE_PATCH
      commproc->cp_rccr = 0;

      dp = (uint *)(commproc->cp_dpmem);
      for (i=0; i<(sizeof(patch_2000)/4); i++)
            *dp++ = patch_2000[i];

      dp = (uint *)&(commproc->cp_dpmem[0x0f00]);
      for (i=0; i<(sizeof(patch_2f00)/4); i++)
            *dp++ = patch_2f00[i];

      commproc->cp_rccr = 0x0009;

      printk("USB SOF microcode patch installed\n");
#endif /* CONFIG_USB_SOF_UCODE_PATCH */

#if defined(CONFIG_I2C_SPI_UCODE_PATCH) || \
    defined(CONFIG_I2C_SPI_SMC1_UCODE_PATCH)

      commproc->cp_rccr = 0;

      dp = (uint *)(commproc->cp_dpmem);
      for (i=0; i<(sizeof(patch_2000)/4); i++)
            *dp++ = patch_2000[i];

      dp = (uint *)&(commproc->cp_dpmem[0x0f00]);
      for (i=0; i<(sizeof(patch_2f00)/4); i++)
            *dp++ = patch_2f00[i];

      iip = (iic_t *)&commproc->cp_dparam[PROFF_IIC];
# define RPBASE 0x0500
      iip->iic_rpbase = RPBASE;

      /* Put SPI above the IIC, also 32-byte aligned.
      */
      i = (RPBASE + sizeof(iic_t) + 31) & ~31;
      spp = (spi_t *)&commproc->cp_dparam[PROFF_SPI];
      spp->spi_rpbase = i;

# if defined(CONFIG_I2C_SPI_UCODE_PATCH)
      commproc->cp_cpmcr1 = 0x802a;
      commproc->cp_cpmcr2 = 0x8028;
      commproc->cp_cpmcr3 = 0x802e;
      commproc->cp_cpmcr4 = 0x802c;
      commproc->cp_rccr = 1;

      printk("I2C/SPI microcode patch installed.\n");
# endif /* CONFIG_I2C_SPI_UCODE_PATCH */

# if defined(CONFIG_I2C_SPI_SMC1_UCODE_PATCH)

      dp = (uint *)&(commproc->cp_dpmem[0x0e00]);
      for (i=0; i<(sizeof(patch_2e00)/4); i++)
            *dp++ = patch_2e00[i];

      commproc->cp_cpmcr1 = 0x8080;
      commproc->cp_cpmcr2 = 0x808a;
      commproc->cp_cpmcr3 = 0x8028;
      commproc->cp_cpmcr4 = 0x802a;
      commproc->cp_rccr = 3;

      smp = (smc_uart_t *)&commproc->cp_dparam[PROFF_SMC1];
      smp->smc_rpbase = 0x1FC0;

      printk("I2C/SPI/SMC1 microcode patch installed.\n");
# endif /* CONFIG_I2C_SPI_SMC1_UCODE_PATCH) */

#endif /* some variation of the I2C/SPI patch was selected */
}

/*
 *  Take this entire routine out, since no one calls it and its
 * logic is suspect.
 */

#if 0
void
verify_patch(volatile immap_t *immr)
{
      volatile uint           *dp;
      volatile cpm8xx_t *commproc;
      int i;

      commproc = (cpm8xx_t *)&immr->im_cpm;

      printk("cp_rccr %x\n", commproc->cp_rccr);
      commproc->cp_rccr = 0;

      dp = (uint *)(commproc->cp_dpmem);
      for (i=0; i<(sizeof(patch_2000)/4); i++)
            if (*dp++ != patch_2000[i]) {
                  printk("patch_2000 bad at %d\n", i);
                  dp--;
                  printk("found 0x%X, wanted 0x%X\n", *dp, patch_2000[i]);
                  break;
            }

      dp = (uint *)&(commproc->cp_dpmem[0x0f00]);
      for (i=0; i<(sizeof(patch_2f00)/4); i++)
            if (*dp++ != patch_2f00[i]) {
                  printk("patch_2f00 bad at %d\n", i);
                  dp--;
                  printk("found 0x%X, wanted 0x%X\n", *dp, patch_2f00[i]);
                  break;
            }

      commproc->cp_rccr = 0x0009;
}
#endif

Generated by  Doxygen 1.6.0   Back to index