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author | wdenk <wdenk> | 2004-06-09 00:34:46 +0000 |
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committer | wdenk <wdenk> | 2004-06-09 00:34:46 +0000 |
commit | 97d80fc3912e517ee40e269abf534a006025da5c (patch) | |
tree | 85ea07788f8eb1eb6589ecb3e125433620ed815b /cpu/mpc85xx/cpu.c | |
parent | 6bdd1377af6d1a17b3b18df06b52362a1b67ad3d (diff) | |
download | u-boot-imx-97d80fc3912e517ee40e269abf534a006025da5c.zip u-boot-imx-97d80fc3912e517ee40e269abf534a006025da5c.tar.gz u-boot-imx-97d80fc3912e517ee40e269abf534a006025da5c.tar.bz2 |
Patches Part 1 by Jon Loeliger, 11 May 2004:
Dynamically handle REV1 and REV2 MPC85xx parts.
(Jon Loeliger, 10-May-2004).
New consistent memory map and Local Access Window across MPC85xx line.
New CCSRBAR at 0xE000_0000 now.
Add RAPID I/O memory map.
New memory map in README.MPC85xxads
(Kumar Gala, 10-May-2004)
Better board and CPU identification on MPC85xx boards at boot.
(Jon Loeliger, 10-May-2004)
SDRAM clock control fixes on MPC8540ADS & MPC8560 boards.
Some configuration options for MPC8540ADS & MPC8560ADS cleaned up.
(Jim Robertson, 10-May-2004)
Rewrite of the MPC85xx Three Speed Ethernet Controller (TSEC) driver.
Supports multiple PHYs.
(Andy Fleming, 10-May-2004)
Some README.MPC85xxads updates.
(Kumar Gala, 10-May-2004)
Copyright updates for "Freescale"
(Andy Fleming, 10-May-2004)
Diffstat (limited to 'cpu/mpc85xx/cpu.c')
-rw-r--r-- | cpu/mpc85xx/cpu.c | 91 |
1 files changed, 83 insertions, 8 deletions
diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c index 64f2782..55593d9 100644 --- a/cpu/mpc85xx/cpu.c +++ b/cpu/mpc85xx/cpu.c @@ -1,4 +1,5 @@ /* + * Copyright 2004 Freescale Semiconductor. * (C) Copyright 2002, 2003 Motorola Inc. * Xianghua Xiao (X.Xiao@motorola.com) * @@ -33,17 +34,87 @@ int checkcpu (void) { - uint pir = get_pir(); - uint pvr = get_pvr(); + sys_info_t sysinfo; + uint lcrr; /* local bus clock ratio register */ + uint clkdiv; /* clock divider portion of lcrr */ + uint pvr, svr; + uint ver; + uint major, minor; + + puts("Freescale PowerPC\n"); + + pvr = get_pvr(); + ver = PVR_VER(pvr); + major = PVR_MAJ(pvr); + minor = PVR_MIN(pvr); + + printf(" Core: "); + switch (ver) { + case PVR_VER(PVR_85xx): + puts("E500"); + break; + default: + puts("Unknown"); + break; + } + printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr); + + svr = get_svr(); + ver = SVR_VER(svr); + major = SVR_MAJ(svr); + minor = SVR_MIN(svr); - printf("Motorola PowerPC ProcessorID=%08x Rev. ",pir); - switch(pvr) { + puts(" System: "); + switch (ver) { + case SVR_8540: + puts("8540"); + break; + case SVR_8541: + puts("8541"); + break; + case SVR_8555: + puts("8555"); + break; + case SVR_8560: + puts("8560"); + break; default: - printf("PVR=%08x", pvr); + puts("Unknown"); break; } + printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr); + + get_sys_info(&sysinfo); - printf("\n"); + puts(" Clocks: "); + printf("CPU:%4lu MHz, ", sysinfo.freqProcessor / 1000000); + printf("CCB:%4lu MHz, ", sysinfo.freqSystemBus / 1000000); + printf("DDR:%4lu MHz, ", sysinfo.freqSystemBus / 2000000); + +#if defined(CFG_LBC_LCRR) + lcrr = CFG_LBC_LCRR; +#else + { + volatile immap_t *immap = (immap_t *)CFG_IMMR; + volatile ccsr_lbc_t *lbc= &immap->im_lbc; + + lcrr = lbc->lcrr; + } +#endif + clkdiv = lcrr & 0x0f; + if (clkdiv == 2 || clkdiv == 4 || clkdiv == 8) { + printf("LBC:%4lu MHz\n", + sysinfo.freqSystemBus / 1000000 / clkdiv); + } else { + printf(" LBC: unknown (lcrr: 0x%08x)\n", lcrr); + } + + if (ver == SVR_8560) { + printf(" CPM: %lu Mhz\n", + sysinfo.freqSystemBus / 1000000); + } + + puts(" L1 D-cache 32KB, L1 I-cache 32KB enabled.\n"); return 0; } @@ -57,8 +128,12 @@ int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) * Initiate hard reset in debug control register DBCR0 * Make sure MSR[DE] = 1 */ - __asm__ __volatile__("lis 3, 0x7000" ::: "r3"); - mtspr(DBCR0,3); + unsigned long val; + + val = mfspr(DBCR0); + val |= 0x70000000; + mtspr(DBCR0,val); + return 1; } |