diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/cpu.c')
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/cpu.c | 106 |
1 files changed, 31 insertions, 75 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c index 6f81fdf61b5..fe2b52d8607 100644 --- a/arch/powerpc/cpu/mpc85xx/cpu.c +++ b/arch/powerpc/cpu/mpc85xx/cpu.c @@ -32,6 +32,8 @@ #include <fsl_esdhc.h> #include <asm/cache.h> #include <asm/io.h> +#include <asm/mmu.h> +#include <asm/fsl_law.h> DECLARE_GLOBAL_DATA_PTR; @@ -93,18 +95,26 @@ int checkcpu (void) minor = PVR_MIN(pvr); printf("Core: "); - switch (fam) { - case PVR_FAM(PVR_85xx): - puts("E500"); - break; - default: - puts("Unknown"); - break; + if (PVR_FAM(PVR_85xx)) { + switch(PVR_MEM(pvr)) { + case 0x1: + case 0x2: + puts("E500"); + break; + case 0x3: + puts("E500MC"); + break; + case 0x4: + puts("E5500"); + break; + default: + puts("Unknown"); + break; + } + } else { + puts("Unknown"); } - if (PVR_MEM(pvr) == 0x03) - puts("MC"); - printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr); get_sys_info(&sysinfo); @@ -250,71 +260,6 @@ reset_85xx_watchdog(void) #endif /* CONFIG_WATCHDOG */ /* - * Configures a UPM. The function requires the respective MxMR to be set - * before calling this function. "size" is the number or entries, not a sizeof. - */ -void upmconfig (uint upm, uint * table, uint size) -{ - int i, mdr, mad, old_mad = 0; - volatile u32 *mxmr; - volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR); - volatile u32 *brp,*orp; - volatile u8* dummy = NULL; - int upmmask; - - switch (upm) { - case UPMA: - mxmr = &lbc->mamr; - upmmask = BR_MS_UPMA; - break; - case UPMB: - mxmr = &lbc->mbmr; - upmmask = BR_MS_UPMB; - break; - case UPMC: - mxmr = &lbc->mcmr; - upmmask = BR_MS_UPMC; - break; - default: - printf("%s: Bad UPM index %d to configure\n", __FUNCTION__, upm); - hang(); - } - - /* Find the address for the dummy write transaction */ - for (brp = &lbc->br0, orp = &lbc->or0, i = 0; i < 8; - i++, brp += 2, orp += 2) { - - /* Look for a valid BR with selected UPM */ - if ((in_be32(brp) & (BR_V | BR_MSEL)) == (BR_V | upmmask)) { - dummy = (volatile u8*)(in_be32(brp) & BR_BA); - break; - } - } - - if (i == 8) { - printf("Error: %s() could not find matching BR\n", __FUNCTION__); - hang(); - } - - for (i = 0; i < size; i++) { - /* 1 */ - out_be32(mxmr, (in_be32(mxmr) & 0x4fffffc0) | MxMR_OP_WARR | i); - /* 2 */ - out_be32(&lbc->mdr, table[i]); - /* 3 */ - mdr = in_be32(&lbc->mdr); - /* 4 */ - *(volatile u8 *)dummy = 0; - /* 5 */ - do { - mad = in_be32(mxmr) & MxMR_MAD_MSK; - } while (mad <= old_mad && !(!mad && i == (size-1))); - old_mad = mad; - } - out_be32(mxmr, (in_be32(mxmr) & 0x4fffffc0) | MxMR_OP_NORM); -} - -/* * Initializes on-chip MMC controllers. * to override, implement board_mmc_init() */ @@ -326,3 +271,14 @@ int cpu_mmc_init(bd_t *bis) return 0; #endif } + +/* + * Print out the state of various machine registers. + * Currently prints out LAWs, BR0/OR0, and TLBs + */ +void mpc85xx_reginfo(void) +{ + print_tlbcam(); + print_laws(); + print_lbc_regs(); +} |