diff options
Diffstat (limited to 'cpu/mpc85xx')
| -rw-r--r-- | cpu/mpc85xx/Makefile | 2 | ||||
| -rw-r--r-- | cpu/mpc85xx/commproc.c | 4 | ||||
| -rw-r--r-- | cpu/mpc85xx/cpu.c | 21 | ||||
| -rw-r--r-- | cpu/mpc85xx/cpu_init.c | 53 | ||||
| -rw-r--r-- | cpu/mpc85xx/ether_fcc.c | 4 | ||||
| -rw-r--r-- | cpu/mpc85xx/serial_scc.c | 4 | ||||
| -rw-r--r-- | cpu/mpc85xx/spd_sdram.c | 1096 | ||||
| -rw-r--r-- | cpu/mpc85xx/speed.c | 4 | ||||
| -rw-r--r-- | cpu/mpc85xx/start.S | 14 | ||||
| -rw-r--r-- | cpu/mpc85xx/tsec.c | 1048 | ||||
| -rw-r--r-- | cpu/mpc85xx/tsec.h | 486 |
11 files changed, 957 insertions, 1779 deletions
diff --git a/cpu/mpc85xx/Makefile b/cpu/mpc85xx/Makefile index 996915e..5298dc1 100644 --- a/cpu/mpc85xx/Makefile +++ b/cpu/mpc85xx/Makefile @@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk LIB = lib$(CPU).a START = start.o resetvec.o -COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o tsec.o \ +COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o \ pci.o serial_scc.o commproc.o ether_fcc.o i2c.o spd_sdram.o OBJS = $(COBJS) diff --git a/cpu/mpc85xx/commproc.c b/cpu/mpc85xx/commproc.c index df11052..aa8a5a5 100644 --- a/cpu/mpc85xx/commproc.c +++ b/cpu/mpc85xx/commproc.c @@ -24,7 +24,7 @@ #include <common.h> #include <asm/cpm_85xx.h> -#if defined(CONFIG_MPC8560) +#if defined(CONFIG_CPM2) /* * because we have stack and init data in dual port ram * we must reduce the size @@ -211,4 +211,4 @@ ulong post_word_load (void) #endif /* CONFIG_POST */ -#endif /* CONFIG_MPC8560 */ +#endif /* CONFIG_CPM2 */ diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c index 4a1ccb0..f7fe22e 100644 --- a/cpu/mpc85xx/cpu.c +++ b/cpu/mpc85xx/cpu.c @@ -38,6 +38,7 @@ int checkcpu (void) uint lcrr; /* local bus clock ratio register */ uint clkdiv; /* clock divider portion of lcrr */ uint pvr, svr; + uint fam; uint ver; uint major, minor; @@ -60,6 +61,12 @@ int checkcpu (void) case SVR_8560: puts("8560"); break; + case SVR_8548: + puts("8548"); + break; + case SVR_8548_E: + puts("8548_E"); + break; default: puts("Unknown"); break; @@ -67,13 +74,14 @@ int checkcpu (void) printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr); pvr = get_pvr(); + fam = PVR_FAM(pvr); ver = PVR_VER(pvr); major = PVR_MAJ(pvr); minor = PVR_MIN(pvr); printf("Core: "); - switch (ver) { - case PVR_VER(PVR_85xx): + switch (fam) { + case PVR_FAM(PVR_85xx): puts("E500"); break; default: @@ -84,7 +92,7 @@ int checkcpu (void) get_sys_info(&sysinfo); - puts("Clocks Configuration:\n"); + puts("Clock Configuration:\n"); printf(" CPU:%4lu MHz, ", sysinfo.freqProcessor / 1000000); printf("CCB:%4lu MHz,\n", sysinfo.freqSystemBus / 1000000); printf(" DDR:%4lu MHz, ", sysinfo.freqSystemBus / 2000000); @@ -101,6 +109,13 @@ int checkcpu (void) #endif clkdiv = lcrr & 0x0f; if (clkdiv == 2 || clkdiv == 4 || clkdiv == 8) { +#ifdef CONFIG_MPC8548 + /* + * Yes, the entire PQ38 family use the same + * bit-representation for twice the clock divider values. + */ + clkdiv *= 2; +#endif printf("LBC:%4lu MHz\n", sysinfo.freqSystemBus / 1000000 / clkdiv); } else { diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c index ee2f79f..efde9cc 100644 --- a/cpu/mpc85xx/cpu_init.c +++ b/cpu/mpc85xx/cpu_init.c @@ -30,7 +30,7 @@ #include <ioports.h> #include <asm/io.h> -#ifdef CONFIG_MPC8560 +#ifdef CONFIG_CPM2 static void config_8560_ioports (volatile immap_t * immr) { int portnum; @@ -115,7 +115,7 @@ void cpu_init_f (void) memset ((void *) gd, 0, sizeof (gd_t)); -#ifdef CONFIG_MPC8560 +#ifdef CONFIG_CPM2 config_8560_ioports(immap); #endif @@ -173,32 +173,63 @@ void cpu_init_f (void) memctl->br7 = CFG_BR7_PRELIM; #endif -#if defined(CONFIG_MPC8560) +#if defined(CONFIG_CPM2) m8560_cpm_reset(); #endif } + /* - * We initialize L2 as cache here. + * Initialize L2 as cache. + * + * The newer 8548, etc, parts have twice as much cache, but + * use the same bit-encoding as the older 8555, etc, parts. + * + * FIXME: Use PVR_VER(pvr) == 1 test here instead of SVR_VER()? */ -int cpu_init_r (void) + +int cpu_init_r(void) { #if defined(CONFIG_L2_CACHE) - volatile immap_t *immap = (immap_t *)CFG_IMMR; + volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile ccsr_l2cache_t *l2cache = &immap->im_l2cache; - volatile uint temp; + volatile uint cache_ctl; + uint svr, ver; + + svr = get_svr(); + ver = SVR_VER(svr); + + asm("msync;isync"); + cache_ctl = l2cache->l2ctl; + + switch (cache_ctl & 0x30000000) { + case 0x20000000: + if (ver == SVR_8548 || ver == SVR_8548_E) { + printf ("L2 cache 512KB:"); + } else { + printf ("L2 cache 256KB:"); + } + break; + case 0x00000000: + case 0x10000000: + case 0x30000000: + default: + printf ("L2 cache unknown size (0x%08x)\n", cache_ctl); + return -1; + } asm("msync;isync"); l2cache->l2ctl = 0x68000000; /* invalidate */ - temp = l2cache->l2ctl; + cache_ctl = l2cache->l2ctl; asm("msync;isync"); + l2cache->l2ctl = 0xa8000000; /* enable 256KB L2 cache */ - temp = l2cache->l2ctl; + cache_ctl = l2cache->l2ctl; asm("msync;isync"); - printf("L2: 256 kB enabled\n"); + printf(" enabled\n"); #else - printf("L2: disabled.\n"); + printf("L2 cache: disabled\n"); #endif return 0; diff --git a/cpu/mpc85xx/ether_fcc.c b/cpu/mpc85xx/ether_fcc.c index 122ca87..cbbb3a4 100644 --- a/cpu/mpc85xx/ether_fcc.c +++ b/cpu/mpc85xx/ether_fcc.c @@ -48,7 +48,7 @@ #include <config.h> #include <net.h> -#if defined(CONFIG_MPC8560) +#if defined(CONFIG_CPM2) #if defined(CONFIG_ETHER_ON_FCC) && (CONFIG_COMMANDS & CFG_CMD_NET) && \ defined(CONFIG_NET_MULTI) @@ -458,4 +458,4 @@ int fec_initialize(bd_t *bis) #endif /* CONFIG_ETHER_ON_FCC && CFG_CMD_NET && CONFIG_NET_MULTI */ -#endif /* CONFIG_MPC8560 */ +#endif /* CONFIG_CPM2 */ diff --git a/cpu/mpc85xx/serial_scc.c b/cpu/mpc85xx/serial_scc.c index ea82761..cf060d6 100644 --- a/cpu/mpc85xx/serial_scc.c +++ b/cpu/mpc85xx/serial_scc.c @@ -35,7 +35,7 @@ #include <common.h> #include <asm/cpm_85xx.h> -#if defined(CONFIG_MPC8560) +#if defined(CONFIG_CPM2) #if defined(CONFIG_CONS_ON_SCC) #if CONFIG_CONS_INDEX == 1 /* Console on SCC1 */ @@ -271,4 +271,4 @@ serial_tstc() #endif /* CONFIG_CONS_ON_SCC */ -#endif /* CONFIG_MPC8560 */ +#endif /* CONFIG_CPM2 */ diff --git a/cpu/mpc85xx/spd_sdram.c b/cpu/mpc85xx/spd_sdram.c index 5a1dbe2..af99282 100644 --- a/cpu/mpc85xx/spd_sdram.c +++ b/cpu/mpc85xx/spd_sdram.c @@ -28,10 +28,11 @@ #include <spd.h> #include <asm/mmu.h> -#if defined(CONFIG_DDR_ECC) -extern void dma_init (void); + +#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) +extern void dma_init(void); extern uint dma_check(void); -extern int dma_xfer (void *dest, uint count, void *src); +extern int dma_xfer(void *dest, uint count, void *src); #endif #ifdef CONFIG_SPD_EEPROM @@ -40,6 +41,9 @@ extern int dma_xfer (void *dest, uint count, void *src); #define CFG_READ_SPD i2c_read #endif +static unsigned int setup_laws_and_tlbs(unsigned int memsize); + + /* * Convert picoseconds into clock cycles (rounding up if needed). */ @@ -57,311 +61,829 @@ picos_to_clk(int picos) return clks; } + +/* + * Calculate the Density of each Physical Rank. + * Returned size is in bytes. + * + * Study these table from Byte 31 of JEDEC SPD Spec. + * + * DDR I DDR II + * Bit Size Size + * --- ----- ------ + * 7 high 512MB 512MB + * 6 256MB 256MB + * 5 128MB 128MB + * 4 64MB 16GB + * 3 32MB 8GB + * 2 16MB 4GB + * 1 2GB 2GB + * 0 low 1GB 1GB + * + * Reorder Table to be linear by stripping the bottom + * 2 or 5 bits off and shifting them up to the top. + */ + +unsigned int +compute_banksize(unsigned int mem_type, unsigned char row_dens) +{ + unsigned int bsize; + + if (mem_type == SPD_MEMTYPE_DDR) { + /* Bottom 2 bits up to the top. */ + bsize = ((row_dens >> 2) | ((row_dens & 3) << 6)) << 24; + debug("DDR: DDR I rank density = 0x%08x\n", bsize); + } else { + /* Bottom 5 bits up to the top. */ + bsize = ((row_dens >> 5) | ((row_dens & 31) << 3)) << 27; + debug("DDR: DDR II rank density = 0x%08x\n", bsize); + } + return bsize; +} + + +/* + * Convert a two-nibble BCD value into a cycle time. + * While the spec calls for nano-seconds, picos are returned. + * + * This implements the tables for bytes 9, 23 and 25 for both + * DDR I and II. No allowance for distinguishing the invalid + * fields absent for DDR I yet present in DDR II is made. + * (That is, cycle times of .25, .33, .66 and .75 ns are + * allowed for both DDR II and I.) + */ + unsigned int -banksize(unsigned char row_dens) +convert_bcd_tenths_to_cycle_time_ps(unsigned int spd_val) { - return ((row_dens >> 2) | ((row_dens & 3) << 6)) << 24; + /* + * Table look up the lower nibble, allow DDR I & II. + */ + unsigned int tenths_ps[16] = { + 0, + 100, + 200, + 300, + 400, + 500, + 600, + 700, + 800, + 900, + 250, + 330, /* FIXME: Is 333 better/valid? */ + 660, /* FIXME: Is 667 better/valid? */ + 750, + 0, /* undefined */ + 0 /* undefined */ + }; + + unsigned int whole_ns = (spd_val & 0xF0) >> 4; + unsigned int tenth_ns = spd_val & 0x0F; + unsigned int ps = whole_ns * 1000 + tenths_ps[tenth_ns]; + + return ps; } + long int spd_sdram(void) { volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile ccsr_ddr_t *ddr = &immap->im_ddr; - volatile ccsr_local_ecm_t *ecm = &immap->im_local_ecm; + volatile ccsr_gur_t *gur = &immap->im_gur; spd_eeprom_t spd; - unsigned tmp, tmp1; + unsigned int n_ranks; + unsigned int rank_density; + unsigned int odt_rd_cfg, odt_wr_cfg; + unsigned int odt_cfg, mode_odt_enable; + unsigned int dqs_cfg; + unsigned char twr_clk, twtr_clk, twr_auto_clk; + unsigned int tCKmin_ps, tCKmax_ps; + unsigned int max_data_rate, effective_data_rate; + unsigned int busfreq; + unsigned sdram_cfg; unsigned int memsize; - unsigned int tlb_size; - unsigned int law_size; - unsigned char caslat; - unsigned int ram_tlb_index; - unsigned int ram_tlb_address; + unsigned char caslat, caslat_ctrl; + unsigned int trfc, trfc_clk, trfc_low, trfc_high; + unsigned int trcd_clk; + unsigned int trtp_clk; + unsigned char cke_min_clk; + unsigned char add_lat; + unsigned char wr_lat; + unsigned char wr_data_delay; + unsigned char four_act; + unsigned char cpo; + unsigned char burst_len; + unsigned int mode_caslat; + unsigned char sdram_type; + unsigned char d_init; - CFG_READ_SPD(SPD_EEPROM_ADDRESS, 0, 1, (uchar *) & spd, sizeof (spd)); + /* + * Read SPD information. + */ + CFG_READ_SPD(SPD_EEPROM_ADDRESS, 0, 1, (uchar *) &spd, sizeof(spd)); - if (spd.nrows > 2) { - puts("DDR:Only two chip selects are supported on ADS.\n"); + /* + * Check for supported memory module types. + */ + if (spd.mem_type != SPD_MEMTYPE_DDR && + spd.mem_type != SPD_MEMTYPE_DDR2) { + printf("Unable to locate DDR I or DDR II module.\n" + " Fundamental memory type is 0x%0x\n", + spd.mem_type); return 0; } - if (spd.nrow_addr < 12 - || spd.nrow_addr > 14 - || spd.ncol_addr < 8 - || spd.ncol_addr > 11) { - puts("DDR:Row or Col number unsupported.\n"); + /* + * These test gloss over DDR I and II differences in interpretation + * of bytes 3 and 4, but irrelevantly. Multiple asymmetric banks + * are not supported on DDR I; and not encoded on DDR II. + * + * Also note that the 8548 controller can support: + * 12 <= nrow <= 16 + * and + * 8 <= ncol <= 11 (still, for DDR) + * 6 <= ncol <= 9 (for FCRAM) + */ + if (spd.nrow_addr < 12 || spd.nrow_addr > 14) { + printf("DDR: Unsupported number of Row Addr lines: %d.\n", + spd.nrow_addr); + return 0; + } + if (spd.ncol_addr < 8 || spd.ncol_addr > 11) { + printf("DDR: Unsupported number of Column Addr lines: %d.\n", + spd.ncol_addr); return 0; } - ddr->cs0_bnds = (banksize(spd.row_dens) >> 24) - 1; - ddr->cs0_config = ( 1 << 31 - | (spd.nrow_addr - 12) << 8 - | (spd.ncol_addr - 8) ); - debug("\n"); - debug("cs0_bnds = 0x%08x\n",ddr->cs0_bnds); - debug("cs0_config = 0x%08x\n",ddr->cs0_config); - - if (spd.nrows == 2) { - ddr->cs1_bnds = ( (banksize(spd.row_dens) >> 8) - | ((banksize(spd.row_dens) >> 23) - 1) ); - ddr->cs1_config = ( 1<<31 - | (spd.nrow_addr-12) << 8 - | (spd.ncol_addr-8) ); - debug("cs1_bnds = 0x%08x\n",ddr->cs1_bnds); - debug("cs1_config = 0x%08x\n",ddr->cs1_config); + /* + * Determine the number of physical banks controlled by + * different Chip Select signals. This is not quite the + * same as the number of DIMM modules on the board. Feh. + */ + if (spd.mem_type == SPD_MEMTYPE_DDR) { + n_ranks = spd.nrows; + } else { + n_ranks = (spd.nrows & 0x7) + 1; } - if (spd.mem_type != 0x07) { - puts("No DDR module found!\n"); + debug("DDR: number of ranks = %d\n", n_ranks); + + if (n_ranks > 2) { + printf("DDR: Only 2 chip selects are supported: %d\n", + n_ranks); return 0; } /* - * Figure out memory size in Megabytes. + * Adjust DDR II IO voltage biasing. It just makes it work. */ - memsize = spd.nrows * banksize(spd.row_dens) / 0x100000; + if (spd.mem_type == SPD_MEMTYPE_DDR2) { + gur->ddrioovcr = (0 + | 0x80000000 /* Enable */ + | 0x10000000 /* VSEL to 1.8V */ + ); + } /* - * First supported LAW size is 16M, at LAWAR_SIZE_16M == 23. Fnord. + * Determine the size of each Rank in bytes. */ - law_size = 19 + __ilog2(memsize); + rank_density = compute_banksize(spd.mem_type, spd.row_dens); + /* - * Determine size of each TLB1 entry. + * Eg: Bounds: 0x0000_0000 to 0x0f000_0000 first 256 Meg */ - switch (memsize) { - case 16: - case 32: - tlb_size = BOOKE_PAGESZ_16M; - break; - case 64: - case 128: - tlb_size = BOOKE_PAGESZ_64M; - break; - case 256: - case 512: - case 1024: - case 2048: - tlb_size = BOOKE_PAGESZ_256M; - break; - default: - puts("DDR: only 16M,32M,64M,128M,256M,512M,1G and 2G DDR I are supported.\n"); - return 0; - break; - } + ddr->cs0_bnds = (rank_density >> 24) - 1; /* - * Configure DDR TLB1 entries. - * Starting at TLB1 8, use no more than 8 TLB1 entries. + * ODT configuration recommendation from DDR Controller Chapter. */ - ram_tlb_index = 8; - ram_tlb_address = (unsigned int)CFG_DDR_SDRAM_BASE; - while (ram_tlb_address < (memsize * 1024 * 1024) - && ram_tlb_index < 16) { - mtspr(MAS0, TLB1_MAS0(1, ram_tlb_index, 0)); - mtspr(MAS1, TLB1_MAS1(1, 1, 0, 0, tlb_size)); - mtspr(MAS2, TLB1_MAS2(E500_TLB_EPN(ram_tlb_address), - 0, 0, 0, 0, 0, 0, 0, 0)); - mtspr(MAS3, TLB1_MAS3(E500_TLB_RPN(ram_tlb_address), - 0, 0, 0, 0, 0, 1, 0, 1, 0, 1)); - asm volatile("isync;msync;tlbwe;isync"); + odt_rd_cfg = 0; /* Never assert ODT */ + odt_wr_cfg = 0; /* Never assert ODT */ + if (spd.mem_type == SPD_MEMTYPE_DDR2) { + odt_wr_cfg = 1; /* Assert ODT on writes to CS0 */ +#if 0 + /* FIXME: How to determine the number of dimm modules? */ + if (n_dimm_modules == 2) { + odt_rd_cfg = 1; /* Assert ODT on reads to CS0 */ + } +#endif + } - debug("DDR:MAS0=0x%08x\n", TLB1_MAS0(1, ram_tlb_index, 0)); - debug("DDR:MAS1=0x%08x\n", TLB1_MAS1(1, 1, 0, 0, tlb_size)); - debug("DDR:MAS2=0x%08x\n", - TLB1_MAS2(E500_TLB_EPN(ram_tlb_address), - 0, 0, 0, 0, 0, 0, 0, 0)); - debug("DDR:MAS3=0x%08x\n", - TLB1_MAS3(E500_TLB_RPN(ram_tlb_address), - 0, 0, 0, 0, 0, 1, 0, 1, 0, 1)); + ddr->cs0_config = ( 1 << 31 + | (odt_rd_cfg << 20) + | (odt_wr_cfg << 16) + | (spd.nrow_addr - 12) << 8 + | (spd.ncol_addr - 8) ); + debug("\n"); + debug("DDR: cs0_bnds = 0x%08x\n", ddr->cs0_bnds); + debug("DDR: cs0_config = 0x%08x\n", ddr->cs0_config); - ram_tlb_address += (0x1000 << ((tlb_size - 1) * 2)); - ram_tlb_index++; + if (n_ranks == 2) { + /* + * Eg: Bounds: 0x0f00_0000 to 0x1e0000_0000, second 256 Meg + */ + ddr->cs1_bnds = ( (rank_density >> 8) + | ((rank_density >> (24 - 1)) - 1) ); + ddr->cs1_config = ( 1<<31 + | (odt_rd_cfg << 20) + | (odt_wr_cfg << 16) + | (spd.nrow_addr - 12) << 8 + | (spd.ncol_addr - 8) ); + debug("DDR: cs1_bnds = 0x%08x\n", ddr->cs1_bnds); + debug("DDR: cs1_config = 0x%08x\n", ddr->cs1_config); } + /* - * Set up LAWBAR for all of DDR. + * Find the largest CAS by locating the highest 1 bit + * in the spd.cas_lat field. Translate it to a DDR + * controller field value: + * + * CAS Lat DDR I DDR II Ctrl + * Clocks SPD Bit SPD Bit Value + * ------- ------- ------- ----- + * 1.0 0 0001 + * 1.5 1 0010 + * 2.0 2 2 0011 + * 2.5 3 0100 + * 3.0 4 3 0101 + * 3.5 5 0110 + * 4.0 4 0111 + * 4.5 1000 + * 5.0 5 1001 */ - ecm->lawbar1 = ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff); - ecm->lawar1 = (LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & law_size)); - debug("DDR:LAWBAR1=0x%08x\n", ecm->lawbar1); - debug("DDR:LARAR1=0x%08x\n", ecm->lawar1); - - /* - * find the largest CAS - */ - if(spd.cas_lat & 0x40) { - caslat = 7; - } else if (spd.cas_lat & 0x20) { - caslat = 6; - } else if (spd.cas_lat & 0x10) { - caslat = 5; - } else if (spd.cas_lat & 0x08) { - caslat = 4; - } else if (spd.cas_lat & 0x04) { - caslat = 3; - } else if (spd.cas_lat & 0x02) { - caslat = 2; - } else if (spd.cas_lat & 0x01) { - caslat = 1; - } else { - puts("DDR:no valid CAS Latency information.\n"); + caslat = __ilog2(spd.cas_lat); + if ((spd.mem_type == SPD_MEMTYPE_DDR) + && (caslat > 5)) { + printf("DDR I: Invalid SPD CAS Latency: 0x%x.\n", spd.cas_lat); + return 0; + + } else if (spd.mem_type == SPD_MEMTYPE_DDR2 + && (caslat < 2 || caslat > 5)) { + printf("DDR II: Invalid SPD CAS Latency: 0x%x.\n", + spd.cas_lat); return 0; } + debug("DDR: caslat SPD bit is %d\n", caslat); + + /* + * Calculate the Maximum Data Rate based on the Minimum Cycle time. + * The SPD clk_cycle field (tCKmin) is measured in tenths of + * nanoseconds and represented as BCD. + */ + tCKmin_ps = convert_bcd_tenths_to_cycle_time_ps(spd.clk_cycle); + debug("DDR: tCKmin = %d ps\n", tCKmin_ps); + + /* + * Double-data rate, scaled 1000 to picoseconds, and back down to MHz. + */ + max_data_rate = 2 * 1000 * 1000 / tCKmin_ps; + debug("DDR: Module max data rate = %d Mhz\n", max_data_rate); + - tmp = 20000 / (((spd.clk_cycle & 0xF0) >> 4) * 10 - + (spd.clk_cycle & 0x0f)); - debug("DDR:Module maximum data rate is: %dMhz\n", tmp); + /* + * Adjust the CAS Latency to allow for bus speeds that + * are slower than the DDR module. + */ + busfreq = get_bus_freq(0) / 1000000; /* MHz */ - tmp1 = get_bus_freq(0) / 1000000; - if (tmp1 < 230 && tmp1 >= 90 && tmp >= 230) { - /* 90~230 range, treated as DDR 200 */ - if (spd.clk_cycle3 == 0xa0) + effective_data_rate = max_data_rate; + if (busfreq < 90) { + /* DDR rate out-of-range */ + puts("DDR: platform frequency is not fit for DDR rate\n"); + return 0; + + } else if (90 <= busfreq && busfreq < 230 && max_data_rate >= 230) { + /* + * busfreq 90~230 range, treated as DDR 200. + */ + effective_data_rate = 200; + if (spd.clk_cycle3 == 0xa0) /* 10 ns */ caslat -= 2; - else if(spd.clk_cycle2 == 0xa0) + else if (spd.clk_cycle2 == 0xa0) caslat--; - } else if (tmp1 < 280 && tmp1 >= 230 && tmp >= 280) { - /* 230-280 range, treated as DDR 266 */ - if (spd.clk_cycle3 == 0x75) + + } else if (230 <= busfreq && busfreq < 280 && max_data_rate >= 280) { + /* + * busfreq 230~280 range, treated as DDR 266. + */ + effective_data_rate = 266; + if (spd.clk_cycle3 == 0x75) /* 7.5 ns */ caslat -= 2; else if (spd.clk_cycle2 == 0x75) caslat--; - } else if (tmp1 < 350 && tmp1 >= 280 && tmp >= 350) { - /* 280~350 range, treated as DDR 333 */ - if (spd.clk_cycle3 == 0x60) + + } else if (280 <= busfreq && busfreq < 350 && max_data_rate >= 350) { + /* + * busfreq 280~350 range, treated as DDR 333. + */ + effective_data_rate = 333; + if (spd.clk_cycle3 == 0x60) /* 6.0 ns */ caslat -= 2; else if (spd.clk_cycle2 == 0x60) caslat--; - } else if (tmp1 < 90 || tmp1 >= 350) { - /* DDR rate out-of-range */ - puts("DDR:platform frequency is not fit for DDR rate\n"); + + } else if (350 <= busfreq && busfreq < 460 && max_data_rate >= 460) { + /* + * busfreq 350~460 range, treated as DDR 400. + */ + effective_data_rate = 400; + if (spd.clk_cycle3 == 0x50) /* 5.0 ns */ + caslat -= 2; + else if (spd.clk_cycle2 == 0x50) + caslat--; + + } else if (460 <= busfreq && busfreq < 560 && max_data_rate >= 560) { + /* + * busfreq 460~560 range, treated as DDR 533. + */ + effective_data_rate = 533; + if (spd.clk_cycle3 == 0x3D) /* 3.75 ns */ + caslat -= 2; + else if (spd.clk_cycle2 == 0x3D) + caslat--; + + } else if (560 <= busfreq && busfreq < 700 && max_data_rate >= 700) { + /* + * busfreq 560~700 range, treated as DDR 667. + */ + effective_data_rate = 667; + if (spd.clk_cycle3 == 0x30) /* 3.0 ns */ + caslat -= 2; + else if (spd.clk_cycle2 == 0x30) + caslat--; + + } else if (700 <= busfreq) { + /* + * DDR rate out-of-range + */ + printf("DDR: Bus freq %d MHz is not fit for DDR rate %d MHz\n", + busfreq, max_data_rate); return 0; } + /* - * note: caslat must also be programmed into ddr->sdram_mode - * register. - * - * note: WRREC(Twr) and WRTORD(Twtr) are not in SPD, - * use conservative value here. + * Convert caslat clocks to DDR controller value. + * Force caslat_ctrl to be DDR Controller field-sized. + */ + if (spd.mem_type == SPD_MEMTYPE_DDR) { + caslat_ctrl = (caslat + 1) & 0x07; + } else { + caslat_ctrl = (2 * caslat - 1) & 0x0f; + } + + debug("DDR: effective data rate is %d MHz\n", effective_data_rate); + debug("DDR: caslat SPD bit is %d, controller field is 0x%x\n", + caslat, caslat_ctrl); + + /* + * Timing Config 0. + * Avoid writing for DDR I. The new PQ38 DDR controller + * dreams up non-zero default values to be backwards compatible. */ + if (spd.mem_type == SPD_MEMTYPE_DDR2) { + unsigned char taxpd_clk = 8; /* By the book. */ + unsigned char tmrd_clk = 2; /* By the book. */ + unsigned char act_pd_exit = 2; /* Empirical? */ + unsigned char pre_pd_exit = 6; /* Empirical? */ + + ddr->timing_cfg_0 = (0 + | ((act_pd_exit & 0x7) << 20) /* ACT_PD_EXIT */ + | ((pre_pd_exit & 0x7) << 16) /* PRE_PD_EXIT */ + | ((taxpd_clk & 0xf) << 8) /* ODT_PD_EXIT */ + | ((tmrd_clk & 0xf) << 0) /* MRS_CYC */ + ); +#if 0 + ddr->timing_cfg_0 |= 0xaa000000; /* extra cycles */ +#endif + debug("DDR: timing_cfg_0 = 0x%08x\n", ddr->timing_cfg_0); + + } else { +#if 0 + /* + * Force extra cycles with 0xaa bits. + * Incidentally supply the dreamt-up backwards compat value! + */ + ddr->timing_cfg_0 = 0x00110105; /* backwards compat value */ + ddr->timing_cfg_0 |= 0xaa000000; /* extra cycles */ + debug("DDR: HACK timing_cfg_0 = 0x%08x\n", ddr->timing_cfg_0); +#endif + } + + + /* + * Some Timing Config 1 values now. + * Sneak Extended Refresh Recovery in here too. + */ + + /* + * For DDR I, WRREC(Twr) and WRTORD(Twtr) are not in SPD, + * use conservative value. + * For DDR II, they are bytes 36 and 37, in quarter nanos. + */ + + if (spd.mem_type == SPD_MEMTYPE_DDR) { + twr_clk = 3; /* Clocks */ + twtr_clk = 1; /* Clocks */ + } else { + twr_clk = picos_to_clk(spd.twr * 250); + twtr_clk = picos_to_clk(spd.twtr * 250); + } + + /* + * Calculate Trfc, in picos. + * DDR I: Byte 42 straight up in ns. + * DDR II: Byte 40 and 42 swizzled some, in ns. + */ + if (spd.mem_type == SPD_MEMTYPE_DDR) { + trfc = spd.trfc * 1000; /* up to ps */ + } else { + unsigned int byte40_table_ps[8] = { + 0, + 250, + 330, + 500, + 660, + 750, + 0, + 0 + }; + + trfc = (((spd.trctrfc_ext & 0x1) * 256) + spd.trfc) * 1000 + + byte40_table_ps[(spd.trctrfc_ext >> 1) & 0x7]; + } + trfc_clk = picos_to_clk(trfc); + + /* + * Trcd, Byte 29, from quarter nanos to ps and clocks. + */ + trcd_clk = picos_to_clk(spd.trcd * 250) & 0x7; + + /* + * Convert trfc_clk to DDR controller fields. DDR I should + * fit in the REFREC field (16-19) of TIMING_CFG_1, but the + * 8548 controller has an extended REFREC field of three bits. + * The controller automatically adds 8 clocks to this value, + * so preadjust it down 8 first before splitting it up. + */ + trfc_low = (trfc_clk - 8) & 0xf; + trfc_high = ((trfc_clk - 8) >> 4) & 0x3; + + /* + * Sneak in some Extended Refresh Recovery. + */ + ddr->ext_refrec = (trfc_high << 16); + debug("DDR: ext_refrec = 0x%08x\n", ddr->ext_refrec); + ddr->timing_cfg_1 = - (((picos_to_clk(spd.trp * 250) & 0x07) << 28 ) | - ((picos_to_clk(spd.tras * 1000) & 0x0f ) << 24 ) | - ((picos_to_clk(spd.trcd * 250) & 0x07) << 20 ) | - ((caslat & 0x07) << 16 ) | - (((picos_to_clk(spd.sset[6] * 1000) - 8) & 0x0f) << 12 ) | - ( 0x300 ) | - ((picos_to_clk(spd.trrd * 250) & 0x07) << 4) | 1); + (0 + | ((picos_to_clk(spd.trp * 250) & 0x07) << 28) /* PRETOACT */ + | ((picos_to_clk(spd.tras * 1000) & 0x0f ) << 24) /* ACTTOPRE */ + | (trcd_clk << 20) /* ACTTORW */ + | (caslat_ctrl << 16) /* CASLAT */ + | (trfc_low << 12) /* REFEC */ + | ((twr_clk & 0x07) << 8) /* WRRREC */ + | ((picos_to_clk(spd.trrd * 250) & 0x07) << 4) /* ACTTOACT */ + | ((twtr_clk & 0x07) << 0) /* WRTORD */ + ); - ddr->timing_cfg_2 = 0x00000800; + debug("DDR: timing_cfg_1 = 0x%08x\n", ddr->timing_cfg_1); - debug("DDR:timing_cfg_1=0x%08x\n", ddr->timing_cfg_1); - debug("DDR:timing_cfg_2=0x%08x\n", ddr->timing_cfg_2); /* - * Only DDR I is supported - * DDR I and II have different mode-register-set definition + * Timing_Config_2 + * Was: 0x00000800; */ - /* burst length is always 4 */ - switch(caslat) { - case 2: - ddr->sdram_mode = 0x52; /* 1.5 */ - break; - case 3: - ddr->sdram_mode = 0x22; /* 2.0 */ - break; - case 4: - ddr->sdram_mode = 0x62; /* 2.5 */ - break; - case 5: - ddr->sdram_mode = 0x32; /* 3.0 */ - break; - default: - puts("DDR:only CAS Latency 1.5, 2.0, 2.5, 3.0 is supported.\n"); - return 0; + /* + * Additive Latency + * For DDR I, 0. + * For DDR II, with ODT enabled, use "a value" less than ACTTORW, + * which comes from Trcd, and also note that: + * add_lat + caslat must be >= 4 + */ + add_lat = 0; + if (spd.mem_type == SPD_MEMTYPE_DDR2 + && (odt_wr_cfg || odt_rd_cfg) + && (caslat < 4)) { + add_lat = 4 - caslat; + if (add_lat > trcd_clk) { + add_lat = trcd_clk - 1; + } } - debug("DDR:sdram_mode=0x%08x\n", ddr->sdram_mode); - switch(spd.refresh) { - case 0x00: - case 0x80: - tmp = picos_to_clk(15625000); - break; - case 0x01: - case 0x81: - tmp = picos_to_clk(3900000); - break; - case 0x02: - case 0x82: - tmp = picos_to_clk(7800000); - break; - case 0x03: - case 0x83: - tmp = picos_to_clk(31300000); - break; - case 0x04: - case 0x84: - tmp = picos_to_clk(62500000); - break; - case 0x05: - case 0x85: - tmp = picos_to_clk(125000000); - break; - default: - tmp = 0x512; - break; + /* + * Write Data Delay + * Historically 0x2 == 4/8 clock delay. + * Empirically, 0x3 == 6/8 clock delay is suggested for DDR I 266. + */ + wr_data_delay = 3; + + /* + * Write Latency + * Read to Precharge + * Minimum CKE Pulse Width. + * Four Activate Window + */ + if (spd.mem_type == SPD_MEMTYPE_DDR) { + /* + * This is a lie. It should really be 1, but if it is + * set to 1, bits overlap into the old controller's + * otherwise unused ACSM field. If we leave it 0, then + * the HW will magically treat it as 1 for DDR 1. Oh Yea. + */ + wr_lat = 0; + + trtp_clk = 2; /* By the book. */ + cke_min_clk = 1; /* By the book. */ + four_act = 1; /* By the book. */ + + } else { + wr_lat = caslat - 1; + + /* Convert SPD value from quarter nanos to picos. */ + trtp_clk = picos_to_clk(spd.trtp * 250); + + cke_min_clk = 3; /* By the book. */ + four_act = picos_to_clk(37500); /* By the book. 1k pages? */ + } + + /* + * Empirically set ~MCAS-to-preamble override for DDR 2. + * Your milage will vary. + */ + cpo = 0; + if (spd.mem_type == SPD_MEMTYPE_DDR2) { + if (effective_data_rate == 266 || effective_data_rate == 333) { + cpo = 0x7; /* READ_LAT + 5/4 */ + } else if (effective_data_rate == 400) { + cpo = 0x9; /* READ_LAT + 7/4 */ + } else { + /* Pure speculation */ + cpo = 0xb; + } + } + + ddr->timing_cfg_2 = (0 + | ((add_lat & 0x7) << 28) /* ADD_LAT */ + | ((cpo & 0x1f) << 23) /* CPO */ + | ((wr_lat & 0x7) << 19) /* WR_LAT */ + | ((trtp_clk & 0x7) << 13) /* RD_TO_PRE */ + | ((wr_data_delay & 0x7) << 10) /* WR_DATA_DELAY */ + | ((cke_min_clk & 0x7) << 6) /* CKE_PLS */ + | ((four_act & 0x1f) << 0) /* FOUR_ACT */ + ); + + debug("DDR: timing_cfg_2 = 0x%08x\n", ddr->timing_cfg_2); + + + /* + * Determine the Mode Register Set. + * + * This is nominally part specific, but it appears to be + * consistent for all DDR I devices, and for all DDR II devices. + * + * caslat must be programmed + * burst length is always 4 + * burst type is sequential + * + * For DDR I: + * operating mode is "normal" + * + * For DDR II: + * other stuff + */ + + mode_caslat = 0; + + /* + * Table lookup from DDR I or II Device Operation Specs. + */ + if (spd.mem_type == SPD_MEMTYPE_DDR) { + if (1 <= caslat && caslat <= 4) { + unsigned char mode_caslat_table[4] = { + 0x5, /* 1.5 clocks */ + 0x2, /* 2.0 clocks */ + 0x6, /* 2.5 clocks */ + 0x3 /* 3.0 clocks */ + }; + mode_caslat = mode_caslat_table[caslat - 1]; + } else { + puts("DDR I: Only CAS Latencies of 1.5, 2.0, " + "2.5 and 3.0 clocks are supported.\n"); + return 0; + } + + } else { + if (2 <= caslat && caslat <= 5) { + mode_caslat = caslat; + } else { + puts("DDR II: Only CAS Latencies of 2.0, 3.0, " + "4.0 and 5.0 clocks are supported.\n"); + return 0; + } + } + + /* + * Encoded Burst Lenght of 4. + */ + burst_len = 2; /* Fiat. */ + + if (spd.mem_type == SPD_MEMTYPE_DDR) { + twr_auto_clk = 0; /* Historical */ + } else { + /* + * Determine tCK max in picos. Grab tWR and convert to picos. + * Auto-precharge write recovery is: + * WR = roundup(tWR_ns/tCKmax_ns). + * + * Ponder: Is twr_auto_clk different than twr_clk? + */ + tCKmax_ps = convert_bcd_tenths_to_cycle_time_ps(spd.tckmax); + twr_auto_clk = (spd.twr * 250 + tCKmax_ps - 1) / tCKmax_ps; + } + + + /* + * Mode Reg in bits 16 ~ 31, + * Extended Mode Reg 1 in bits 0 ~ 15. + */ + mode_odt_enable = 0x0; /* Default disabled */ + if (odt_wr_cfg || odt_rd_cfg) { + /* + * Bits 6 and 2 in Extended MRS(1) + * Bit 2 == 0x04 == 75 Ohm, with 2 DIMM modules. + * Bit 6 == 0x40 == 150 Ohm, with 1 DIMM module. + */ + mode_odt_enable = 0x40; /* 150 Ohm */ } + ddr->sdram_mode = + (0 + | (add_lat << (16 + 3)) /* Additive Latency in EMRS1 */ + | (mode_odt_enable << 16) /* ODT Enable in EMRS1 */ + | (twr_auto_clk << 9) /* Write Recovery Autopre */ + | (mode_caslat << 4) /* caslat */ + | (burst_len << 0) /* Burst length */ + ); + + debug("DDR: sdram_mode = 0x%08x\n", ddr->sdram_mode); + + + /* + * Clear EMRS2 and EMRS3. + */ + ddr->sdram_mode_2 = 0; + debug("DDR: sdram_mode_2 = 0x%08x\n", ddr->sdram_mode_2); + + /* - * Set BSTOPRE to 0x100 for page mode - * If auto-charge is used, set BSTOPRE = 0 + * Determine Refresh Rate. Ignore self refresh bit on DDR I. + * Table from SPD Spec, Byte 12, converted to picoseconds and + * filled in with "default" normal values. */ - ddr->sdram_interval = ((tmp & 0x3fff) << 16) | 0x100; - debug("DDR:sdram_interval=0x%08x\n", ddr->sdram_interval); + { + unsigned int refresh_clk; + unsigned int refresh_time_ns[8] = { + 15625000, /* 0 Normal 1.00x */ + 3900000, /* 1 Reduced .25x */ + 7800000, /* 2 Extended .50x */ + 31300000, /* 3 Extended 2.00x */ + 62500000, /* 4 Extended 4.00x */ + 125000000, /* 5 Extended 8.00x */ + 15625000, /* 6 Normal 1.00x filler */ + 15625000, /* 7 Normal 1.00x filler */ + }; + + refresh_clk = picos_to_clk(refresh_time_ns[spd.refresh & 0x7]); + + /* + * Set BSTOPRE to 0x100 for page mode + * If auto-charge is used, set BSTOPRE = 0 + */ + ddr->sdram_interval = + (0 + | (refresh_clk & 0x3fff) << 16 + | 0x100 + ); + debug("DDR: sdram_interval = 0x%08x\n", ddr->sdram_interval); + } /* * Is this an ECC DDR chip? + * But don't mess with it if the DDR controller will init mem. */ -#if defined(CONFIG_DDR_ECC) +#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) if (spd.config == 0x02) { ddr->err_disable = 0x0000000d; ddr->err_sbe = 0x00ff0000; } - debug("DDR:err_disable=0x%08x\n", ddr->err_disable); - debug("DDR:err_sbe=0x%08x\n", ddr->err_sbe); + debug("DDR: err_disable = 0x%08x\n", ddr->err_disable); + debug("DDR: err_sbe = 0x%08x\n", ddr->err_sbe); #endif - asm("sync;isync;msync"); + asm("sync;isync;msync"); udelay(500); -#ifdef MPC85xx_DDR_SDRAM_CLK_CNTL - /* Setup the clock control (8555 and later) - * SDRAM_CLK_CNTL[0] = Source synchronous enable == 1 - * SDRAM_CLK_CNTL[5-7] = Clock Adjust == 3 (3/4 cycle late) + /* + * SDRAM Cfg 2 + */ + + /* + * When ODT is enabled, Chap 9 suggests asserting ODT to + * internal IOs only during reads. + */ + odt_cfg = 0; + if (odt_rd_cfg | odt_wr_cfg) { + odt_cfg = 0x2; /* ODT to IOs during reads */ + } + + /* + * Try to use differential DQS with DDR II. */ - ddr->sdram_clk_cntl = 0x83000000; + if (spd.mem_type == SPD_MEMTYPE_DDR) { + dqs_cfg = 0; /* No Differential DQS for DDR I */ + } else { + dqs_cfg = 0x1; /* Differential DQS for DDR II */ + } + +#if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) + /* + * Use the DDR controller to auto initialize memory. + */ + d_init = 1; + ddr->sdram_data_init = CONFIG_MEM_INIT_VALUE; + debug("DDR: ddr_data_init = 0x%08x\n", ddr->sdram_data_init); +#else + /* + * Memory will be initialized via DMA, or not at all. + */ + d_init = 0; +#endif + + ddr->sdram_cfg_2 = (0 + | (dqs_cfg << 26) /* Differential DQS */ + | (odt_cfg << 21) /* ODT */ + | (d_init << 4) /* D_INIT auto init DDR */ + ); + + debug("DDR: sdram_cfg_2 = 0x%08x\n", ddr->sdram_cfg_2); + + +#ifdef MPC85xx_DDR_SDRAM_CLK_CNTL + { + unsigned char clk_adjust; + + /* + * Setup the clock control. + * SDRAM_CLK_CNTL[0] = Source synchronous enable == 1 + * SDRAM_CLK_CNTL[5-7] = Clock Adjust + * 0110 3/4 cycle late + * 0111 7/8 cycle late + */ + if (spd.mem_type == SPD_MEMTYPE_DDR) { + clk_adjust = 0x6; + } else { + clk_adjust = 0x7; + } + + ddr->sdram_clk_cntl = (0 + | 0x80000000 + | (clk_adjust << 23) + ); + debug("DDR: sdram_clk_cntl = 0x%08x\n", ddr->sdram_clk_cntl); + } #endif /* - * Figure out the settings for the sdram_cfg register. Build up - * the entire register in 'tmp' before writing since the write into - * the register will actually enable the memory controller, and all - * settings must be done before enabling. + * Figure out the settings for the sdram_cfg register. + * Build up the entire register in 'sdram_cfg' before writing + * since the write into the register will actually enable the + * memory controller; all settings must be done before enabling. * * sdram_cfg[0] = 1 (ddr sdram logic enable) * sdram_cfg[1] = 1 (self-refresh-enable) - * sdram_cfg[6:7] = 2 (SDRAM type = DDR SDRAM) + * sdram_cfg[5:7] = (SDRAM type = DDR SDRAM) + * 010 DDR 1 SDRAM + * 011 DDR 2 SDRAM */ - tmp = 0xc2000000; + sdram_type = (spd.mem_type == SPD_MEMTYPE_DDR) ? 2 : 3; + sdram_cfg = (0 + | (1 << 31) /* Enable */ + | (1 << 30) /* Self refresh */ + | (sdram_type << 24) /* SDRAM type */ + ); /* * sdram_cfg[3] = RD_EN - registered DIMM enable * A value of 0x26 indicates micron registered DIMMS (micron.com) */ - if (spd.mod_attr == 0x26) { - tmp |= 0x10000000; + if (spd.mem_type == SPD_MEMTYPE_DDR && spd.mod_attr == 0x26) { + sdram_cfg |= 0x10000000; /* RD_EN */ } #if defined(CONFIG_DDR_ECC) @@ -369,7 +891,7 @@ spd_sdram(void) * If the user wanted ECC (enabled via sdram_cfg[2]) */ if (spd.config == 0x02) { - tmp |= 0x20000000; + sdram_cfg |= 0x20000000; /* ECC_EN */ } #endif @@ -385,27 +907,160 @@ spd_sdram(void) /* * Enable 2T timing by setting sdram_cfg[16]. */ - tmp |= 0x8000; + sdram_cfg |= 0x8000; /* 2T_EN */ #endif } } - ddr->sdram_cfg = tmp; + /* + * 200 painful micro-seconds must elapse between + * the DDR clock setup and the DDR config enable. + */ + udelay(200); + + /* + * Go! + */ + ddr->sdram_cfg = sdram_cfg; asm("sync;isync;msync"); udelay(500); - debug("DDR:sdram_cfg=0x%08x\n", ddr->sdram_cfg); + debug("DDR: sdram_cfg = 0x%08x\n", ddr->sdram_cfg); + + +#if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) + /* + * Poll until memory is initialized. + * 512 Meg at 400 might hit this 200 times or so. + */ + while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) { + udelay(1000); + } +#endif + + + /* + * Figure out memory size in Megabytes. + */ + memsize = n_ranks * rank_density / 0x100000; + + /* + * Establish Local Access Window and TLB mappings for DDR memory. + */ + memsize = setup_laws_and_tlbs(memsize); + if (memsize == 0) { + return 0; + } return memsize * 1024 * 1024; } + + +/* + * Setup Local Access Window and TLB1 mappings for the requested + * amount of memory. Returns the amount of memory actually mapped + * (usually the original request size), or 0 on error. + */ + +static unsigned int +setup_laws_and_tlbs(unsigned int memsize) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + volatile ccsr_local_ecm_t *ecm = &immap->im_local_ecm; + unsigned int tlb_size; + unsigned int law_size; + unsigned int ram_tlb_index; + unsigned int ram_tlb_address; + + /* + * Determine size of each TLB1 entry. + */ + switch (memsize) { + case 16: + case 32: + tlb_size = BOOKE_PAGESZ_16M; + break; + case 64: + case 128: + tlb_size = BOOKE_PAGESZ_64M; + break; + case 256: + case 512: + case 1024: + case 2048: + tlb_size = BOOKE_PAGESZ_256M; + break; + default: + puts("DDR: only 16M,32M,64M,128M,256M,512M,1G and 2G are supported.\n"); + + /* + * The memory was not able to be mapped. + */ + return 0; + break; + } + + /* + * Configure DDR TLB1 entries. + * Starting at TLB1 8, use no more than 8 TLB1 entries. + */ + ram_tlb_index = 8; + ram_tlb_address = (unsigned int)CFG_DDR_SDRAM_BASE; + while (ram_tlb_address < (memsize * 1024 * 1024) + && ram_tlb_index < 16) { + mtspr(MAS0, TLB1_MAS0(1, ram_tlb_index, 0)); + mtspr(MAS1, TLB1_MAS1(1, 1, 0, 0, tlb_size)); + mtspr(MAS2, TLB1_MAS2(E500_TLB_EPN(ram_tlb_address), + 0, 0, 0, 0, 0, 0, 0, 0)); + mtspr(MAS3, TLB1_MAS3(E500_TLB_RPN(ram_tlb_address), + 0, 0, 0, 0, 0, 1, 0, 1, 0, 1)); + asm volatile("isync;msync;tlbwe;isync"); + + debug("DDR: MAS0=0x%08x\n", TLB1_MAS0(1, ram_tlb_index, 0)); + debug("DDR: MAS1=0x%08x\n", TLB1_MAS1(1, 1, 0, 0, tlb_size)); + debug("DDR: MAS2=0x%08x\n", + TLB1_MAS2(E500_TLB_EPN(ram_tlb_address), + 0, 0, 0, 0, 0, 0, 0, 0)); + debug("DDR: MAS3=0x%08x\n", + TLB1_MAS3(E500_TLB_RPN(ram_tlb_address), + 0, 0, 0, 0, 0, 1, 0, 1, 0, 1)); + + ram_tlb_address += (0x1000 << ((tlb_size - 1) * 2)); + ram_tlb_index++; + } + + + /* + * First supported LAW size is 16M, at LAWAR_SIZE_16M == 23. Fnord. + */ + law_size = 19 + __ilog2(memsize); + + /* + * Set up LAWBAR for all of DDR. + */ + ecm->lawbar1 = ((CFG_DDR_SDRAM_BASE >> 12) & 0xfffff); + ecm->lawar1 = (LAWAR_EN + | LAWAR_TRGT_IF_DDR + | (LAWAR_SIZE & law_size)); + debug("DDR: LAWBAR1=0x%08x\n", ecm->lawbar1); + debug("DDR: LARAR1=0x%08x\n", ecm->lawar1); + + /* + * Confirm that the requested amount of memory was mapped. + */ + return memsize; +} + #endif /* CONFIG_SPD_EEPROM */ -#if defined(CONFIG_DDR_ECC) +#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) + /* * Initialize all of memory for ECC, then enable errors. */ + void ddr_enable_ecc(unsigned int dram_size) { @@ -420,7 +1075,7 @@ ddr_enable_ecc(unsigned int dram_size) if (((unsigned int)p & 0x1f) == 0) { ppcDcbz((unsigned long) p); } - *p = (unsigned int)0xdeadbeef; + *p = (unsigned int)CONFIG_MEM_INIT_VALUE; if (((unsigned int)p & 0x1c) == 0x1c) { ppcDcbf((unsigned long) p); } @@ -454,7 +1109,10 @@ ddr_enable_ecc(unsigned int dram_size) /* * Enable errors for ECC. */ + debug("DMA DDR: err_disable = 0x%08x\n", ddr->err_disable); ddr->err_disable = 0x00000000; asm("sync;isync;msync"); + debug("DMA DDR: err_disable = 0x%08x\n", ddr->err_disable); } -#endif /* CONFIG_DDR_ECC */ + +#endif /* CONFIG_DDR_ECC && ! CONFIG_ECC_INIT_VIA_DDRCONTROLLER */ diff --git a/cpu/mpc85xx/speed.c b/cpu/mpc85xx/speed.c index 787f7fa..d736742 100644 --- a/cpu/mpc85xx/speed.c +++ b/cpu/mpc85xx/speed.c @@ -82,7 +82,7 @@ int get_clocks (void) { DECLARE_GLOBAL_DATA_PTR; sys_info_t sys_info; -#if defined(CONFIG_MPC8560) +#if defined(CONFIG_CPM2) volatile immap_t *immap = (immap_t *) CFG_IMMR; uint sccr, dfbrg; @@ -94,7 +94,7 @@ int get_clocks (void) get_sys_info (&sys_info); gd->cpu_clk = sys_info.freqProcessor; gd->bus_clk = sys_info.freqSystemBus; -#if defined(CONFIG_MPC8560) +#if defined(CONFIG_CPM2) gd->vco_out = 2*sys_info.freqSystemBus; gd->cpm_clk = gd->vco_out / 2; gd->scc_clk = gd->vco_out / 4; diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S index af28ebe..5f75bc1 100644 --- a/cpu/mpc85xx/start.S +++ b/cpu/mpc85xx/start.S @@ -155,11 +155,13 @@ _start_e500: mtspr MCSR,r0 mtspr DEAR,r0 - mtspr DBCR0,r0 + /* not needed and conflicts with some debuggers */ + /* mtspr DBCR0,r0 */ mtspr DBCR1,r0 mtspr DBCR2,r0 - mtspr IAC1,r0 - mtspr IAC2,r0 + /* not needed and conflicts with some debuggers */ + /* mtspr IAC1,r0 */ + /* mtspr IAC2,r0 */ mtspr DAC1,r0 mtspr DAC2,r0 @@ -174,6 +176,9 @@ _start_e500: mtspr BUCSR,r0 /* disable branch prediction */ mtspr MAS4,r0 mtspr MAS6,r0 +#if defined(CONFIG_ENABLE_36BIT_PHYS) + mtspr MAS7,r0 +#endif isync /* Setup interrupt vectors */ @@ -358,6 +363,9 @@ _start: /* Enable Time Base and Select Time Base Clock */ lis r0,HID0_EMCP@h /* Enable machine check */ ori r0,r0,0x4000 /* time base is processor clock */ +#if defined(CONFIG_ENABLE_36BIT_PHYS) + ori r0,r0,0x0080 /* enable MAS7 updates */ +#endif mtspr HID0,r0 #if defined(CONFIG_ADDR_STREAMING) diff --git a/cpu/mpc85xx/tsec.c b/cpu/mpc85xx/tsec.c deleted file mode 100644 index d327a6d..0000000 --- a/cpu/mpc85xx/tsec.c +++ /dev/null @@ -1,1048 +0,0 @@ -/* - * tsec.c - * Freescale Three Speed Ethernet Controller driver - * - * This software may be used and distributed according to the - * terms of the GNU Public License, Version 2, incorporated - * herein by reference. - * - * Copyright 2004 Freescale Semiconductor. - * (C) Copyright 2003, Motorola, Inc. - * maintained by Jon Loeliger (loeliger@freescale.com) - * author Andy Fleming - * - */ - -#include <config.h> -#include <mpc85xx.h> -#include <common.h> -#include <malloc.h> -#include <net.h> -#include <command.h> - -#if defined(CONFIG_TSEC_ENET) -#include "tsec.h" - -#define TX_BUF_CNT 2 - -static uint rxIdx; /* index of the current RX buffer */ -static uint txIdx; /* index of the current TX buffer */ - -typedef volatile struct rtxbd { - txbd8_t txbd[TX_BUF_CNT]; - rxbd8_t rxbd[PKTBUFSRX]; -} RTXBD; - -struct tsec_info_struct { - unsigned int phyaddr; - unsigned int gigabit; - unsigned int phyregidx; -}; - - -/* The tsec_info structure contains 3 values which the - * driver uses to determine how to operate a given ethernet - * device. For now, the structure is initialized with the - * knowledge that all current implementations have 2 TSEC - * devices, and one FEC. The information needed is: - * phyaddr - The address of the PHY which is attached to - * the given device. - * - * gigabit - This variable indicates whether the device - * supports gigabit speed ethernet - * - * phyregidx - This variable specifies which ethernet device - * controls the MII Management registers which are connected - * to the PHY. For 8540/8560, only TSEC1 (index 0) has - * access to the PHYs, so all of the entries have "0". - * - * The values specified in the table are taken from the board's - * config file in include/configs/. When implementing a new - * board with ethernet capability, it is necessary to define: - * TSEC1_PHY_ADDR - * TSEC1_PHYIDX - * TSEC2_PHY_ADDR - * TSEC2_PHYIDX - * - * and for 8560: - * FEC_PHY_ADDR - * FEC_PHYIDX - */ -static struct tsec_info_struct tsec_info[] = { -#ifdef CONFIG_MPC85XX_TSEC1 - {TSEC1_PHY_ADDR, 1, TSEC1_PHYIDX}, -#else - { 0, 0, 0}, -#endif -#ifdef CONFIG_MPC85XX_TSEC2 - {TSEC2_PHY_ADDR, 1, TSEC2_PHYIDX}, -#else - { 0, 0, 0}, -#endif -#ifdef CONFIG_MPC85XX_FEC - {FEC_PHY_ADDR, 0, FEC_PHYIDX}, -#else - { 0, 0, 0}, -#endif -}; - -#define MAXCONTROLLERS 3 - -static int relocated = 0; - -static struct tsec_private *privlist[MAXCONTROLLERS]; - -#ifdef __GNUC__ -static RTXBD rtx __attribute__ ((aligned(8))); -#else -#error "rtx must be 64-bit aligned" -#endif - -static int tsec_send(struct eth_device* dev, volatile void *packet, int length); -static int tsec_recv(struct eth_device* dev); -static int tsec_init(struct eth_device* dev, bd_t * bd); -static void tsec_halt(struct eth_device* dev); -static void init_registers(volatile tsec_t *regs); -static void startup_tsec(struct eth_device *dev); -static int init_phy(struct eth_device *dev); -void write_phy_reg(struct tsec_private *priv, uint regnum, uint value); -uint read_phy_reg(struct tsec_private *priv, uint regnum); -struct phy_info * get_phy_info(struct eth_device *dev); -void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd); -static void adjust_link(struct eth_device *dev); -static void relocate_cmds(void); - -/* Initialize device structure. Returns success if PHY - * initialization succeeded (i.e. if it recognizes the PHY) - */ -int tsec_initialize(bd_t *bis, int index) -{ - struct eth_device* dev; - int i; - struct tsec_private *priv; - - dev = (struct eth_device*) malloc(sizeof *dev); - - if(NULL == dev) - return 0; - - memset(dev, 0, sizeof *dev); - - priv = (struct tsec_private *) malloc(sizeof(*priv)); - - if(NULL == priv) - return 0; - - privlist[index] = priv; - priv->regs = (volatile tsec_t *)(TSEC_BASE_ADDR + index*TSEC_SIZE); - priv->phyregs = (volatile tsec_t *)(TSEC_BASE_ADDR + - tsec_info[index].phyregidx*TSEC_SIZE); - - priv->phyaddr = tsec_info[index].phyaddr; - priv->gigabit = tsec_info[index].gigabit; - - sprintf(dev->name, "ENET%d", index); - dev->iobase = 0; - dev->priv = priv; - dev->init = tsec_init; - dev->halt = tsec_halt; - dev->send = tsec_send; - dev->recv = tsec_recv; - - /* Tell u-boot to get the addr from the env */ - for(i=0;i<6;i++) - dev->enetaddr[i] = 0; - - eth_register(dev); - - - /* Reset the MAC */ - priv->regs->maccfg1 |= MACCFG1_SOFT_RESET; - priv->regs->maccfg1 &= ~(MACCFG1_SOFT_RESET); - - /* Try to initialize PHY here, and return */ - return init_phy(dev); -} - - -/* Initializes data structures and registers for the controller, - * and brings the interface up. Returns the link status, meaning - * that it returns success if the link is up, failure otherwise. - * This allows u-boot to find the first active controller. */ -int tsec_init(struct eth_device* dev, bd_t * bd) -{ - uint tempval; - char tmpbuf[MAC_ADDR_LEN]; - int i; - struct tsec_private *priv = (struct tsec_private *)dev->priv; - volatile tsec_t *regs = priv->regs; - - /* Make sure the controller is stopped */ - tsec_halt(dev); - - /* Init MACCFG2. Defaults to GMII */ - regs->maccfg2 = MACCFG2_INIT_SETTINGS; - - /* Init ECNTRL */ - regs->ecntrl = ECNTRL_INIT_SETTINGS; - - /* Copy the station address into the address registers. - * Backwards, because little endian MACS are dumb */ - for(i=0;i<MAC_ADDR_LEN;i++) { - tmpbuf[MAC_ADDR_LEN - 1 - i] = dev->enetaddr[i]; - } - (uint)(regs->macstnaddr1) = *((uint *)(tmpbuf)); - - tempval = *((uint *)(tmpbuf +4)); - - (uint)(regs->macstnaddr2) = tempval; - - /* reset the indices to zero */ - rxIdx = 0; - txIdx = 0; - - /* Clear out (for the most part) the other registers */ - init_registers(regs); - - /* Ready the device for tx/rx */ - startup_tsec(dev); - - /* If there's no link, fail */ - return priv->link; - -} - - -/* Write value to the device's PHY through the registers - * specified in priv, modifying the register specified in regnum. - * It will wait for the write to be done (or for a timeout to - * expire) before exiting - */ -void write_phy_reg(struct tsec_private *priv, uint regnum, uint value) -{ - volatile tsec_t *regbase = priv->phyregs; - uint phyid = priv->phyaddr; - int timeout=1000000; - - regbase->miimadd = (phyid << 8) | regnum; - regbase->miimcon = value; - asm("msync"); - - timeout=1000000; - while((regbase->miimind & MIIMIND_BUSY) && timeout--); -} - - -/* Reads register regnum on the device's PHY through the - * registers specified in priv. It lowers and raises the read - * command, and waits for the data to become valid (miimind - * notvalid bit cleared), and the bus to cease activity (miimind - * busy bit cleared), and then returns the value - */ -uint read_phy_reg(struct tsec_private *priv, uint regnum) -{ - uint value; - volatile tsec_t *regbase = priv->phyregs; - uint phyid = priv->phyaddr; - - /* Put the address of the phy, and the register - * number into MIIMADD */ - regbase->miimadd = (phyid << 8) | regnum; - - /* Clear the command register, and wait */ - regbase->miimcom = 0; - asm("msync"); - - /* Initiate a read command, and wait */ - regbase->miimcom = MIIM_READ_COMMAND; - asm("msync"); - - /* Wait for the the indication that the read is done */ - while((regbase->miimind & (MIIMIND_NOTVALID | MIIMIND_BUSY))); - - /* Grab the value read from the PHY */ - value = regbase->miimstat; - - return value; -} - - -/* Discover which PHY is attached to the device, and configure it - * properly. If the PHY is not recognized, then return 0 - * (failure). Otherwise, return 1 - */ -static int init_phy(struct eth_device *dev) -{ - struct tsec_private *priv = (struct tsec_private *)dev->priv; - struct phy_info *curphy; - - /* Assign a Physical address to the TBI */ - - { - volatile tsec_t *regs = (volatile tsec_t *)(TSEC_BASE_ADDR); - regs->tbipa = TBIPA_VALUE; - regs = (volatile tsec_t *)(TSEC_BASE_ADDR + TSEC_SIZE); - regs->tbipa = TBIPA_VALUE; - asm("msync"); - } - - /* Reset MII (due to new addresses) */ - priv->phyregs->miimcfg = MIIMCFG_RESET; - asm("msync"); - priv->phyregs->miimcfg = MIIMCFG_INIT_VALUE; - asm("msync"); - while(priv->phyregs->miimind & MIIMIND_BUSY); - - if(0 == relocated) - relocate_cmds(); - - /* Get the cmd structure corresponding to the attached - * PHY */ - curphy = get_phy_info(dev); - - if(NULL == curphy) { - printf("%s: No PHY found\n", dev->name); - - return 0; - } - - priv->phyinfo = curphy; - - phy_run_commands(priv, priv->phyinfo->config); - - return 1; -} - - -/* Returns which value to write to the control register. */ -/* For 10/100, the value is slightly different */ -uint mii_cr_init(uint mii_reg, struct tsec_private *priv) -{ - if(priv->gigabit) - return MIIM_CONTROL_INIT; - else - return MIIM_CR_INIT; -} - - -/* Parse the status register for link, and then do - * auto-negotiation */ -uint mii_parse_sr(uint mii_reg, struct tsec_private *priv) -{ - uint timeout = TSEC_TIMEOUT; - - if(mii_reg & MIIM_STATUS_LINK) - priv->link = 1; - else - priv->link = 0; - - if(priv->link) { - while((!(mii_reg & MIIM_STATUS_AN_DONE)) && timeout--) - mii_reg = read_phy_reg(priv, MIIM_STATUS); - } - - return 0; -} - - -/* Parse the 88E1011's status register for speed and duplex - * information */ -uint mii_parse_88E1011_psr(uint mii_reg, struct tsec_private *priv) -{ - uint speed; - - if(mii_reg & MIIM_88E1011_PHYSTAT_DUPLEX) - priv->duplexity = 1; - else - priv->duplexity = 0; - - speed = (mii_reg &MIIM_88E1011_PHYSTAT_SPEED); - - switch(speed) { - case MIIM_88E1011_PHYSTAT_GBIT: - priv->speed = 1000; - break; - case MIIM_88E1011_PHYSTAT_100: - priv->speed = 100; - break; - default: - priv->speed = 10; - } - - return 0; -} - - -/* Parse the cis8201's status register for speed and duplex - * information */ -uint mii_parse_cis8201(uint mii_reg, struct tsec_private *priv) -{ - uint speed; - - if(mii_reg & MIIM_CIS8201_AUXCONSTAT_DUPLEX) - priv->duplexity = 1; - else - priv->duplexity = 0; - - speed = mii_reg & MIIM_CIS8201_AUXCONSTAT_SPEED; - switch(speed) { - case MIIM_CIS8201_AUXCONSTAT_GBIT: - priv->speed = 1000; - break; - case MIIM_CIS8201_AUXCONSTAT_100: - priv->speed = 100; - break; - default: - priv->speed = 10; - break; - } - - return 0; -} - - -/* Parse the DM9161's status register for speed and duplex - * information */ -uint mii_parse_dm9161_scsr(uint mii_reg, struct tsec_private *priv) -{ - if(mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_100H)) - priv->speed = 100; - else - priv->speed = 10; - - if(mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_10F)) - priv->duplexity = 1; - else - priv->duplexity = 0; - - return 0; -} - - -/* Hack to write all 4 PHYs with the LED values */ -uint mii_cis8204_fixled(uint mii_reg, struct tsec_private *priv) -{ - uint phyid; - volatile tsec_t *regbase = priv->phyregs; - int timeout=1000000; - - for(phyid=0;phyid<4;phyid++) { - regbase->miimadd = (phyid << 8) | mii_reg; - regbase->miimcon = MIIM_CIS8204_SLEDCON_INIT; - asm("msync"); - - timeout=1000000; - while((regbase->miimind & MIIMIND_BUSY) && timeout--); - } - - return MIIM_CIS8204_SLEDCON_INIT; -} - - -/* Initialized required registers to appropriate values, zeroing - * those we don't care about (unless zero is bad, in which case, - * choose a more appropriate value) */ -static void init_registers(volatile tsec_t *regs) -{ - /* Clear IEVENT */ - regs->ievent = IEVENT_INIT_CLEAR; - - regs->imask = IMASK_INIT_CLEAR; - - regs->hash.iaddr0 = 0; - regs->hash.iaddr1 = 0; - regs->hash.iaddr2 = 0; - regs->hash.iaddr3 = 0; - regs->hash.iaddr4 = 0; - regs->hash.iaddr5 = 0; - regs->hash.iaddr6 = 0; - regs->hash.iaddr7 = 0; - - regs->hash.gaddr0 = 0; - regs->hash.gaddr1 = 0; - regs->hash.gaddr2 = 0; - regs->hash.gaddr3 = 0; - regs->hash.gaddr4 = 0; - regs->hash.gaddr5 = 0; - regs->hash.gaddr6 = 0; - regs->hash.gaddr7 = 0; - - regs->rctrl = 0x00000000; - - /* Init RMON mib registers */ - memset((void *)&(regs->rmon), 0, sizeof(rmon_mib_t)); - - regs->rmon.cam1 = 0xffffffff; - regs->rmon.cam2 = 0xffffffff; - - regs->mrblr = MRBLR_INIT_SETTINGS; - - regs->minflr = MINFLR_INIT_SETTINGS; - - regs->attr = ATTR_INIT_SETTINGS; - regs->attreli = ATTRELI_INIT_SETTINGS; - -} - - -/* Configure maccfg2 based on negotiated speed and duplex - * reported by PHY handling code */ -static void adjust_link(struct eth_device *dev) -{ - struct tsec_private *priv = (struct tsec_private *)dev->priv; - volatile tsec_t *regs = priv->regs; - - if(priv->link) { - if(priv->duplexity != 0) - regs->maccfg2 |= MACCFG2_FULL_DUPLEX; - else - regs->maccfg2 &= ~(MACCFG2_FULL_DUPLEX); - - switch(priv->speed) { - case 1000: - regs->maccfg2 = ((regs->maccfg2&~(MACCFG2_IF)) - | MACCFG2_GMII); - break; - case 100: - case 10: - regs->maccfg2 = ((regs->maccfg2&~(MACCFG2_IF)) - | MACCFG2_MII); - break; - default: - printf("%s: Speed was bad\n", dev->name); - break; - } - - printf("Speed: %d, %s duplex\n", priv->speed, - (priv->duplexity) ? "full" : "half"); - - } else { - printf("%s: No link.\n", dev->name); - } -} - - -/* Set up the buffers and their descriptors, and bring up the - * interface */ -static void startup_tsec(struct eth_device *dev) -{ - int i; - struct tsec_private *priv = (struct tsec_private *)dev->priv; - volatile tsec_t *regs = priv->regs; - - /* Point to the buffer descriptors */ - regs->tbase = (unsigned int)(&rtx.txbd[txIdx]); - regs->rbase = (unsigned int)(&rtx.rxbd[rxIdx]); - - /* Initialize the Rx Buffer descriptors */ - for (i = 0; i < PKTBUFSRX; i++) { - rtx.rxbd[i].status = RXBD_EMPTY; - rtx.rxbd[i].length = 0; - rtx.rxbd[i].bufPtr = (uint)NetRxPackets[i]; - } - rtx.rxbd[PKTBUFSRX -1].status |= RXBD_WRAP; - - /* Initialize the TX Buffer Descriptors */ - for(i=0; i<TX_BUF_CNT; i++) { - rtx.txbd[i].status = 0; - rtx.txbd[i].length = 0; - rtx.txbd[i].bufPtr = 0; - } - rtx.txbd[TX_BUF_CNT -1].status |= TXBD_WRAP; - - /* Start up the PHY */ - phy_run_commands(priv, priv->phyinfo->startup); - adjust_link(dev); - - /* Enable Transmit and Receive */ - regs->maccfg1 |= (MACCFG1_RX_EN | MACCFG1_TX_EN); - - /* Tell the DMA it is clear to go */ - regs->dmactrl |= DMACTRL_INIT_SETTINGS; - regs->tstat = TSTAT_CLEAR_THALT; - regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS); -} - -/* This returns the status bits of the device. The return value - * is never checked, and this is what the 8260 driver did, so we - * do the same. Presumably, this would be zero if there were no - * errors */ -static int tsec_send(struct eth_device* dev, volatile void *packet, int length) -{ - int i; - int result = 0; - struct tsec_private *priv = (struct tsec_private *)dev->priv; - volatile tsec_t *regs = priv->regs; - - /* Find an empty buffer descriptor */ - for(i=0; rtx.txbd[txIdx].status & TXBD_READY; i++) { - if (i >= TOUT_LOOP) { - debug ("%s: tsec: tx buffers full\n", dev->name); - return result; - } - } - - rtx.txbd[txIdx].bufPtr = (uint)packet; - rtx.txbd[txIdx].length = length; - rtx.txbd[txIdx].status |= (TXBD_READY | TXBD_LAST | TXBD_CRC | TXBD_INTERRUPT); - - /* Tell the DMA to go */ - regs->tstat = TSTAT_CLEAR_THALT; - - /* Wait for buffer to be transmitted */ - for(i=0; rtx.txbd[txIdx].status & TXBD_READY; i++) { - if (i >= TOUT_LOOP) { - debug ("%s: tsec: tx error\n", dev->name); - return result; - } - } - - txIdx = (txIdx + 1) % TX_BUF_CNT; - result = rtx.txbd[txIdx].status & TXBD_STATS; - - return result; -} - -static int tsec_recv(struct eth_device* dev) -{ - int length; - struct tsec_private *priv = (struct tsec_private *)dev->priv; - volatile tsec_t *regs = priv->regs; - - while(!(rtx.rxbd[rxIdx].status & RXBD_EMPTY)) { - - length = rtx.rxbd[rxIdx].length; - - /* Send the packet up if there were no errors */ - if (!(rtx.rxbd[rxIdx].status & RXBD_STATS)) { - NetReceive(NetRxPackets[rxIdx], length - 4); - } else { - printf("Got error %x\n", - (rtx.rxbd[rxIdx].status & RXBD_STATS)); - } - - rtx.rxbd[rxIdx].length = 0; - - /* Set the wrap bit if this is the last element in the list */ - rtx.rxbd[rxIdx].status = RXBD_EMPTY | (((rxIdx + 1) == PKTBUFSRX) ? RXBD_WRAP : 0); - - rxIdx = (rxIdx + 1) % PKTBUFSRX; - } - - if(regs->ievent&IEVENT_BSY) { - regs->ievent = IEVENT_BSY; - regs->rstat = RSTAT_CLEAR_RHALT; - } - - return -1; - -} - - -/* Stop the interface */ -static void tsec_halt(struct eth_device* dev) -{ - struct tsec_private *priv = (struct tsec_private *)dev->priv; - volatile tsec_t *regs = priv->regs; - - regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS); - regs->dmactrl |= (DMACTRL_GRS | DMACTRL_GTS); - - while(!(regs->ievent & (IEVENT_GRSC | IEVENT_GTSC))); - - regs->maccfg1 &= ~(MACCFG1_TX_EN | MACCFG1_RX_EN); - - /* Shut down the PHY, as needed */ - phy_run_commands(priv, priv->phyinfo->shutdown); -} - - -struct phy_info phy_info_M88E1011S = { - 0x01410c6, - "Marvell 88E1011S", - 4, - (struct phy_cmd[]) { /* config */ - /* Reset and configure the PHY */ - {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL}, - {0x1d, 0x1f, NULL}, - {0x1e, 0x200c, NULL}, - {0x1d, 0x5, NULL}, - {0x1e, 0x0, NULL}, - {0x1e, 0x100, NULL}, - {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL}, - {MIIM_ANAR, MIIM_ANAR_INIT, NULL}, - {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL}, - {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init}, - {miim_end,} - }, - (struct phy_cmd[]) { /* startup */ - /* Status is read once to clear old link state */ - {MIIM_STATUS, miim_read, NULL}, - /* Auto-negotiate */ - {MIIM_STATUS, miim_read, &mii_parse_sr}, - /* Read the status */ - {MIIM_88E1011_PHY_STATUS, miim_read, &mii_parse_88E1011_psr}, - {miim_end,} - }, - (struct phy_cmd[]) { /* shutdown */ - {miim_end,} - }, -}; - -struct phy_info phy_info_M88E1111S = { - 0x01410cc, - "Marvell 88E1111S", - 4, - (struct phy_cmd[]) { /* config */ - /* Reset and configure the PHY */ - {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL}, - {0x1d, 0x1f, NULL}, - {0x1e, 0x200c, NULL}, - {0x1d, 0x5, NULL}, - {0x1e, 0x0, NULL}, - {0x1e, 0x100, NULL}, - {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL}, - {MIIM_ANAR, MIIM_ANAR_INIT, NULL}, - {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL}, - {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init}, - {miim_end,} - }, - (struct phy_cmd[]) { /* startup */ - /* Status is read once to clear old link state */ - {MIIM_STATUS, miim_read, NULL}, - /* Auto-negotiate */ - {MIIM_STATUS, miim_read, &mii_parse_sr}, - /* Read the status */ - {MIIM_88E1011_PHY_STATUS, miim_read, &mii_parse_88E1011_psr}, - {miim_end,} - }, - (struct phy_cmd[]) { /* shutdown */ - {miim_end,} - }, -}; - -struct phy_info phy_info_cis8204 = { - 0x3f11, - "Cicada Cis8204", - 6, - (struct phy_cmd[]) { /* config */ - /* Override PHY config settings */ - {MIIM_CIS8201_AUX_CONSTAT, MIIM_CIS8201_AUXCONSTAT_INIT, NULL}, - /* Configure some basic stuff */ - {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init}, - {MIIM_CIS8204_SLED_CON, MIIM_CIS8204_SLEDCON_INIT, &mii_cis8204_fixled}, - {MIIM_CIS8204_EPHY_CON, MIIM_CIS8204_EPHYCON_INIT, NULL}, - {miim_end,} - }, - (struct phy_cmd[]) { /* startup */ - /* Read the Status (2x to make sure link is right) */ - {MIIM_STATUS, miim_read, NULL}, - /* Auto-negotiate */ - {MIIM_STATUS, miim_read, &mii_parse_sr}, - /* Read the status */ - {MIIM_CIS8201_AUX_CONSTAT, miim_read, &mii_parse_cis8201}, - {miim_end,} - }, - (struct phy_cmd[]) { /* shutdown */ - {miim_end,} - }, -}; - -/* Cicada 8201 */ -struct phy_info phy_info_cis8201 = { - 0xfc41, - "CIS8201", - 4, - (struct phy_cmd[]) { /* config */ - /* Override PHY config settings */ - {MIIM_CIS8201_AUX_CONSTAT, MIIM_CIS8201_AUXCONSTAT_INIT, NULL}, - /* Set up the interface mode */ - {MIIM_CIS8201_EXT_CON1, MIIM_CIS8201_EXTCON1_INIT, NULL}, - /* Configure some basic stuff */ - {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init}, - {miim_end,} - }, - (struct phy_cmd[]) { /* startup */ - /* Read the Status (2x to make sure link is right) */ - {MIIM_STATUS, miim_read, NULL}, - /* Auto-negotiate */ - {MIIM_STATUS, miim_read, &mii_parse_sr}, - /* Read the status */ - {MIIM_CIS8201_AUX_CONSTAT, miim_read, &mii_parse_cis8201}, - {miim_end,} - }, - (struct phy_cmd[]) { /* shutdown */ - {miim_end,} - }, -}; - - -struct phy_info phy_info_dm9161 = { - 0x0181b88, - "Davicom DM9161E", - 4, - (struct phy_cmd[]) { /* config */ - {MIIM_CONTROL, MIIM_DM9161_CR_STOP, NULL}, - /* Do not bypass the scrambler/descrambler */ - {MIIM_DM9161_SCR, MIIM_DM9161_SCR_INIT, NULL}, - /* Clear 10BTCSR to default */ - {MIIM_DM9161_10BTCSR, MIIM_DM9161_10BTCSR_INIT, NULL}, - /* Configure some basic stuff */ - {MIIM_CONTROL, MIIM_CR_INIT, NULL}, - /* Restart Auto Negotiation */ - {MIIM_CONTROL, MIIM_DM9161_CR_RSTAN, NULL}, - {miim_end,} - }, - (struct phy_cmd[]) { /* startup */ - /* Status is read once to clear old link state */ - {MIIM_STATUS, miim_read, NULL}, - /* Auto-negotiate */ - {MIIM_STATUS, miim_read, &mii_parse_sr}, - /* Read the status */ - {MIIM_DM9161_SCSR, miim_read, &mii_parse_dm9161_scsr}, - {miim_end,} - }, - (struct phy_cmd[]) { /* shutdown */ - {miim_end,} - }, -}; - -uint mii_parse_lxt971_sr2(uint mii_reg, struct tsec_private *priv) -{ - unsigned int speed; - if (priv->link) { - speed = mii_reg & MIIM_LXT971_SR2_SPEED_MASK; - - switch (speed) { - case MIIM_LXT971_SR2_10HDX: - priv->speed = 10; - priv->duplexity = 0; - break; - case MIIM_LXT971_SR2_10FDX: - priv->speed = 10; - priv->duplexity = 1; - break; - case MIIM_LXT971_SR2_100HDX: - priv->speed = 100; - priv->duplexity = 0; - default: - priv->speed = 100; - priv->duplexity = 1; - break; - } - } else { - priv->speed = 0; - priv->duplexity = 0; - } - - return 0; -} - -static struct phy_info phy_info_lxt971 = { - 0x0001378e, - "LXT971", - 4, - (struct phy_cmd []) { /* config */ - { MIIM_CR, MIIM_CR_INIT, mii_cr_init }, /* autonegotiate */ - { miim_end, } - }, - (struct phy_cmd []) { /* startup - enable interrupts */ - /* { 0x12, 0x00f2, NULL }, */ - { MIIM_STATUS, miim_read, NULL }, - { MIIM_STATUS, miim_read, &mii_parse_sr }, - { MIIM_LXT971_SR2, miim_read, &mii_parse_lxt971_sr2 }, - { miim_end, } - }, - (struct phy_cmd []) { /* shutdown - disable interrupts */ - { miim_end, } - }, -}; - -struct phy_info *phy_info[] = { -#if 0 - &phy_info_cis8201, -#endif - &phy_info_cis8204, - &phy_info_M88E1011S, - &phy_info_M88E1111S, - &phy_info_dm9161, - &phy_info_lxt971, - NULL -}; - - -/* Grab the identifier of the device's PHY, and search through - * all of the known PHYs to see if one matches. If so, return - * it, if not, return NULL */ -struct phy_info * get_phy_info(struct eth_device *dev) -{ - struct tsec_private *priv = (struct tsec_private *)dev->priv; - uint phy_reg, phy_ID; - int i; - struct phy_info *theInfo = NULL; - - /* Grab the bits from PHYIR1, and put them in the upper half */ - phy_reg = read_phy_reg(priv, MIIM_PHYIR1); - phy_ID = (phy_reg & 0xffff) << 16; - - /* Grab the bits from PHYIR2, and put them in the lower half */ - phy_reg = read_phy_reg(priv, MIIM_PHYIR2); - phy_ID |= (phy_reg & 0xffff); - - /* loop through all the known PHY types, and find one that */ - /* matches the ID we read from the PHY. */ - for(i=0; phy_info[i]; i++) { - if(phy_info[i]->id == (phy_ID >> phy_info[i]->shift)) - theInfo = phy_info[i]; - } - - if(theInfo == NULL) - { - printf("%s: PHY id %x is not supported!\n", dev->name, phy_ID); - return NULL; - } else { - printf("%s: PHY is %s (%x)\n", dev->name, theInfo->name, - phy_ID); - } - - return theInfo; -} - - -/* Execute the given series of commands on the given device's - * PHY, running functions as necessary*/ -void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd) -{ - int i; - uint result; - volatile tsec_t *phyregs = priv->phyregs; - - phyregs->miimcfg = MIIMCFG_RESET; - - phyregs->miimcfg = MIIMCFG_INIT_VALUE; - - while(phyregs->miimind & MIIMIND_BUSY); - - for(i=0;cmd->mii_reg != miim_end;i++) { - if(cmd->mii_data == miim_read) { - result = read_phy_reg(priv, cmd->mii_reg); - - if(cmd->funct != NULL) - (*(cmd->funct))(result, priv); - - } else { - if(cmd->funct != NULL) - result = (*(cmd->funct))(cmd->mii_reg, priv); - else - result = cmd->mii_data; - - write_phy_reg(priv, cmd->mii_reg, result); - - } - cmd++; - } -} - - -/* Relocate the function pointers in the phy cmd lists */ -static void relocate_cmds(void) -{ - struct phy_cmd **cmdlistptr; - struct phy_cmd *cmd; - int i,j,k; - DECLARE_GLOBAL_DATA_PTR; - - for(i=0; phy_info[i]; i++) { - /* First thing's first: relocate the pointers to the - * PHY command structures (the structs were done) */ - phy_info[i] = (struct phy_info *) ((uint)phy_info[i] - + gd->reloc_off); - phy_info[i]->name += gd->reloc_off; - phy_info[i]->config = - (struct phy_cmd *)((uint)phy_info[i]->config - + gd->reloc_off); - phy_info[i]->startup = - (struct phy_cmd *)((uint)phy_info[i]->startup - + gd->reloc_off); - phy_info[i]->shutdown = - (struct phy_cmd *)((uint)phy_info[i]->shutdown - + gd->reloc_off); - - cmdlistptr = &phy_info[i]->config; - j=0; - for(;cmdlistptr <= &phy_info[i]->shutdown;cmdlistptr++) { - k=0; - for(cmd=*cmdlistptr;cmd->mii_reg != miim_end;cmd++) { - /* Only relocate non-NULL pointers */ - if(cmd->funct) - cmd->funct += gd->reloc_off; - - k++; - } - j++; - } - } - - relocated = 1; -} - - -#ifndef CONFIG_BITBANGMII - -struct tsec_private * get_priv_for_phy(unsigned char phyaddr) -{ - int i; - - for(i=0;i<MAXCONTROLLERS;i++) { - if(privlist[i]->phyaddr == phyaddr) - return privlist[i]; - } - - return NULL; -} - -/* - * Read a MII PHY register. - * - * Returns: - * 0 on success - */ -int miiphy_read(unsigned char addr, unsigned char reg, unsigned short *value) -{ - unsigned short ret; - struct tsec_private *priv = get_priv_for_phy(addr); - - if(NULL == priv) { - printf("Can't read PHY at address %d\n", addr); - return -1; - } - - ret = (unsigned short)read_phy_reg(priv, reg); - *value = ret; - - return 0; -} - -/* - * Write a MII PHY register. - * - * Returns: - * 0 on success - */ -int miiphy_write(unsigned char addr, unsigned char reg, unsigned short value) -{ - struct tsec_private *priv = get_priv_for_phy(addr); - - if(NULL == priv) { - printf("Can't write PHY at address %d\n", addr); - return -1; - } - - write_phy_reg(priv, reg, value); - - return 0; -} - -#endif /* CONFIG_BITBANGMII */ - -#endif /* CONFIG_TSEC_ENET */ diff --git a/cpu/mpc85xx/tsec.h b/cpu/mpc85xx/tsec.h deleted file mode 100644 index e24351a..0000000 --- a/cpu/mpc85xx/tsec.h +++ /dev/null @@ -1,486 +0,0 @@ -/* - * tsec.h - * - * Driver for the Motorola Triple Speed Ethernet Controller - * - * This software may be used and distributed according to the - * terms of the GNU Public License, Version 2, incorporated - * herein by reference. - * - * Copyright 2004 Freescale Semiconductor. - * (C) Copyright 2003, Motorola, Inc. - * maintained by Xianghua Xiao (x.xiao@motorola.com) - * author Andy Fleming - * - */ - -#ifndef __TSEC_H -#define __TSEC_H - -#include <net.h> -#include <mpc85xx.h> - -#define TSEC_BASE_ADDR (CFG_IMMR + 0x24000) -#define TSEC_SIZE 0x01000 - -#define MAC_ADDR_LEN 6 - -/* #define TSEC_TIMEOUT 1000000 */ -#define TSEC_TIMEOUT 1000 -#define TOUT_LOOP 1000000 - -/* MAC register bits */ -#define MACCFG1_SOFT_RESET 0x80000000 -#define MACCFG1_RESET_RX_MC 0x00080000 -#define MACCFG1_RESET_TX_MC 0x00040000 -#define MACCFG1_RESET_RX_FUN 0x00020000 -#define MACCFG1_RESET_TX_FUN 0x00010000 -#define MACCFG1_LOOPBACK 0x00000100 -#define MACCFG1_RX_FLOW 0x00000020 -#define MACCFG1_TX_FLOW 0x00000010 -#define MACCFG1_SYNCD_RX_EN 0x00000008 -#define MACCFG1_RX_EN 0x00000004 -#define MACCFG1_SYNCD_TX_EN 0x00000002 -#define MACCFG1_TX_EN 0x00000001 - -#define MACCFG2_INIT_SETTINGS 0x00007205 -#define MACCFG2_FULL_DUPLEX 0x00000001 -#define MACCFG2_IF 0x00000300 -#define MACCFG2_GMII 0x00000200 -#define MACCFG2_MII 0x00000100 - -#define ECNTRL_INIT_SETTINGS 0x00001000 -#define ECNTRL_TBI_MODE 0x00000020 - -#define miim_end -2 -#define miim_read -1 - -#define TBIPA_VALUE 0x1f -#define MIIMCFG_INIT_VALUE 0x00000003 -#define MIIMCFG_RESET 0x80000000 - -#define MIIMIND_BUSY 0x00000001 -#define MIIMIND_NOTVALID 0x00000004 - -#define MIIM_CONTROL 0x00 -#define MIIM_CONTROL_RESET 0x00009140 -#define MIIM_CONTROL_INIT 0x00001140 -#define MIIM_ANEN 0x00001000 - -#define MIIM_CR 0x00 -#define MIIM_CR_RST 0x00008000 -#define MIIM_CR_INIT 0x00001000 - -#define MIIM_STATUS 0x1 -#define MIIM_STATUS_AN_DONE 0x00000020 -#define MIIM_STATUS_LINK 0x0004 - -#define MIIM_PHYIR1 0x2 -#define MIIM_PHYIR2 0x3 - -#define MIIM_ANAR 0x4 -#define MIIM_ANAR_INIT 0x1e1 - -#define MIIM_TBI_ANLPBPA 0x5 -#define MIIM_TBI_ANLPBPA_HALF 0x00000040 -#define MIIM_TBI_ANLPBPA_FULL 0x00000020 - -#define MIIM_TBI_ANEX 0x6 -#define MIIM_TBI_ANEX_NP 0x00000004 -#define MIIM_TBI_ANEX_PRX 0x00000002 - -#define MIIM_GBIT_CONTROL 0x9 -#define MIIM_GBIT_CONTROL_INIT 0xe00 - -/* Cicada Auxiliary Control/Status Register */ -#define MIIM_CIS8201_AUX_CONSTAT 0x1c -#define MIIM_CIS8201_AUXCONSTAT_INIT 0x0004 -#define MIIM_CIS8201_AUXCONSTAT_DUPLEX 0x0020 -#define MIIM_CIS8201_AUXCONSTAT_SPEED 0x0018 -#define MIIM_CIS8201_AUXCONSTAT_GBIT 0x0010 -#define MIIM_CIS8201_AUXCONSTAT_100 0x0008 - -/* Cicada Extended Control Register 1 */ -#define MIIM_CIS8201_EXT_CON1 0x17 -#define MIIM_CIS8201_EXTCON1_INIT 0x0000 - -/* Cicada 8204 Extended PHY Control Register 1 */ -#define MIIM_CIS8204_EPHY_CON 0x17 -#define MIIM_CIS8204_EPHYCON_INIT 0x0006 - -/* Cicada 8204 Serial LED Control Register */ -#define MIIM_CIS8204_SLED_CON 0x1b -#define MIIM_CIS8204_SLEDCON_INIT 0x1115 - -#define MIIM_GBIT_CON 0x09 -#define MIIM_GBIT_CON_ADVERT 0x0e00 - -/* 88E1011 PHY Status Register */ -#define MIIM_88E1011_PHY_STATUS 0x11 -#define MIIM_88E1011_PHYSTAT_SPEED 0xc000 -#define MIIM_88E1011_PHYSTAT_GBIT 0x8000 -#define MIIM_88E1011_PHYSTAT_100 0x4000 -#define MIIM_88E1011_PHYSTAT_DUPLEX 0x2000 -#define MIIM_88E1011_PHYSTAT_SPDDONE 0x0800 -#define MIIM_88E1011_PHYSTAT_LINK 0x0400 - -/* DM9161 Control register values */ -#define MIIM_DM9161_CR_STOP 0x0400 -#define MIIM_DM9161_CR_RSTAN 0x1200 - -#define MIIM_DM9161_SCR 0x10 -#define MIIM_DM9161_SCR_INIT 0x0610 - -/* DM9161 Specified Configuration and Status Register */ -#define MIIM_DM9161_SCSR 0x11 -#define MIIM_DM9161_SCSR_100F 0x8000 -#define MIIM_DM9161_SCSR_100H 0x4000 -#define MIIM_DM9161_SCSR_10F 0x2000 -#define MIIM_DM9161_SCSR_10H 0x1000 - -/* DM9161 10BT Configuration/Status */ -#define MIIM_DM9161_10BTCSR 0x12 -#define MIIM_DM9161_10BTCSR_INIT 0x7800 - -/* LXT971 Status 2 registers */ -#define MIIM_LXT971_SR2 17 /* Status Register 2 */ -#define MIIM_LXT971_SR2_SPEED_MASK 0xf000 -#define MIIM_LXT971_SR2_10HDX 0x1000 /* 10 Mbit half duplex selected */ -#define MIIM_LXT971_SR2_10FDX 0x2000 /* 10 Mbit full duplex selected */ -#define MIIM_LXT971_SR2_100HDX 0x4000 /* 100 Mbit half duplex selected */ -#define MIIM_LXT971_SR2_100FDX 0x8000 /* 100 Mbit full duplex selected */ - -#define MIIM_READ_COMMAND 0x00000001 - -#define MRBLR_INIT_SETTINGS PKTSIZE_ALIGN - -#define MINFLR_INIT_SETTINGS 0x00000040 - -#define DMACTRL_INIT_SETTINGS 0x000000c3 -#define DMACTRL_GRS 0x00000010 -#define DMACTRL_GTS 0x00000008 - -#define TSTAT_CLEAR_THALT 0x80000000 -#define RSTAT_CLEAR_RHALT 0x00800000 - - -#define IEVENT_INIT_CLEAR 0xffffffff -#define IEVENT_BABR 0x80000000 -#define IEVENT_RXC 0x40000000 -#define IEVENT_BSY 0x20000000 -#define IEVENT_EBERR 0x10000000 -#define IEVENT_MSRO 0x04000000 -#define IEVENT_GTSC 0x02000000 -#define IEVENT_BABT 0x01000000 -#define IEVENT_TXC 0x00800000 -#define IEVENT_TXE 0x00400000 -#define IEVENT_TXB 0x00200000 -#define IEVENT_TXF 0x00100000 -#define IEVENT_IE 0x00080000 -#define IEVENT_LC 0x00040000 -#define IEVENT_CRL 0x00020000 -#define IEVENT_XFUN 0x00010000 -#define IEVENT_RXB0 0x00008000 -#define IEVENT_GRSC 0x00000100 -#define IEVENT_RXF0 0x00000080 - -#define IMASK_INIT_CLEAR 0x00000000 -#define IMASK_TXEEN 0x00400000 -#define IMASK_TXBEN 0x00200000 -#define IMASK_TXFEN 0x00100000 -#define IMASK_RXFEN0 0x00000080 - - -/* Default Attribute fields */ -#define ATTR_INIT_SETTINGS 0x000000c0 -#define ATTRELI_INIT_SETTINGS 0x00000000 - - -/* TxBD status field bits */ -#define TXBD_READY 0x8000 -#define TXBD_PADCRC 0x4000 -#define TXBD_WRAP 0x2000 -#define TXBD_INTERRUPT 0x1000 -#define TXBD_LAST 0x0800 -#define TXBD_CRC 0x0400 -#define TXBD_DEF 0x0200 -#define TXBD_HUGEFRAME 0x0080 -#define TXBD_LATECOLLISION 0x0080 -#define TXBD_RETRYLIMIT 0x0040 -#define TXBD_RETRYCOUNTMASK 0x003c -#define TXBD_UNDERRUN 0x0002 -#define TXBD_STATS 0x03ff - -/* RxBD status field bits */ -#define RXBD_EMPTY 0x8000 -#define RXBD_RO1 0x4000 -#define RXBD_WRAP 0x2000 -#define RXBD_INTERRUPT 0x1000 -#define RXBD_LAST 0x0800 -#define RXBD_FIRST 0x0400 -#define RXBD_MISS 0x0100 -#define RXBD_BROADCAST 0x0080 -#define RXBD_MULTICAST 0x0040 -#define RXBD_LARGE 0x0020 -#define RXBD_NONOCTET 0x0010 -#define RXBD_SHORT 0x0008 -#define RXBD_CRCERR 0x0004 -#define RXBD_OVERRUN 0x0002 -#define RXBD_TRUNCATED 0x0001 -#define RXBD_STATS 0x003f - -typedef struct txbd8 -{ - ushort status; /* Status Fields */ - ushort length; /* Buffer length */ - uint bufPtr; /* Buffer Pointer */ -} txbd8_t; - -typedef struct rxbd8 -{ - ushort status; /* Status Fields */ - ushort length; /* Buffer Length */ - uint bufPtr; /* Buffer Pointer */ -} rxbd8_t; - -typedef struct rmon_mib -{ - /* Transmit and Receive Counters */ - uint tr64; /* Transmit and Receive 64-byte Frame Counter */ - uint tr127; /* Transmit and Receive 65-127 byte Frame Counter */ - uint tr255; /* Transmit and Receive 128-255 byte Frame Counter */ - uint tr511; /* Transmit and Receive 256-511 byte Frame Counter */ - uint tr1k; /* Transmit and Receive 512-1023 byte Frame Counter */ - uint trmax; /* Transmit and Receive 1024-1518 byte Frame Counter */ - uint trmgv; /* Transmit and Receive 1519-1522 byte Good VLAN Frame */ - /* Receive Counters */ - uint rbyt; /* Receive Byte Counter */ - uint rpkt; /* Receive Packet Counter */ - uint rfcs; /* Receive FCS Error Counter */ - uint rmca; /* Receive Multicast Packet (Counter) */ - uint rbca; /* Receive Broadcast Packet */ - uint rxcf; /* Receive Control Frame Packet */ - uint rxpf; /* Receive Pause Frame Packet */ - uint rxuo; /* Receive Unknown OP Code */ - uint raln; /* Receive Alignment Error */ - uint rflr; /* Receive Frame Length Error */ - uint rcde; /* Receive Code Error */ - uint rcse; /* Receive Carrier Sense Error */ - uint rund; /* Receive Undersize Packet */ - uint rovr; /* Receive Oversize Packet */ - uint rfrg; /* Receive Fragments */ - uint rjbr; /* Receive Jabber */ - uint rdrp; /* Receive Drop */ - /* Transmit Counters */ - uint tbyt; /* Transmit Byte Counter */ - uint tpkt; /* Transmit Packet */ - uint tmca; /* Transmit Multicast Packet */ - uint tbca; /* Transmit Broadcast Packet */ - uint txpf; /* Transmit Pause Control Frame */ - uint tdfr; /* Transmit Deferral Packet */ - uint tedf; /* Transmit Excessive Deferral Packet */ - uint tscl; /* Transmit Single Collision Packet */ - /* (0x2_n700) */ - uint tmcl; /* Transmit Multiple Collision Packet */ - uint tlcl; /* Transmit Late Collision Packet */ - uint txcl; /* Transmit Excessive Collision Packet */ - uint tncl; /* Transmit Total Collision */ - - uint res2; - - uint tdrp; /* Transmit Drop Frame */ - uint tjbr; /* Transmit Jabber Frame */ - uint tfcs; /* Transmit FCS Error */ - uint txcf; /* Transmit Control Frame */ - uint tovr; /* Transmit Oversize Frame */ - uint tund; /* Transmit Undersize Frame */ - uint tfrg; /* Transmit Fragments Frame */ - /* General Registers */ - uint car1; /* Carry Register One */ - uint car2; /* Carry Register Two */ - uint cam1; /* Carry Register One Mask */ - uint cam2; /* Carry Register Two Mask */ -} rmon_mib_t; - -typedef struct tsec_hash_regs -{ - uint iaddr0; /* Individual Address Register 0 */ - uint iaddr1; /* Individual Address Register 1 */ - uint iaddr2; /* Individual Address Register 2 */ - uint iaddr3; /* Individual Address Register 3 */ - uint iaddr4; /* Individual Address Register 4 */ - uint iaddr5; /* Individual Address Register 5 */ - uint iaddr6; /* Individual Address Register 6 */ - uint iaddr7; /* Individual Address Register 7 */ - uint res1[24]; - uint gaddr0; /* Group Address Register 0 */ - uint gaddr1; /* Group Address Register 1 */ - uint gaddr2; /* Group Address Register 2 */ - uint gaddr3; /* Group Address Register 3 */ - uint gaddr4; /* Group Address Register 4 */ - uint gaddr5; /* Group Address Register 5 */ - uint gaddr6; /* Group Address Register 6 */ - uint gaddr7; /* Group Address Register 7 */ - uint res2[24]; -} tsec_hash_t; - -typedef struct tsec -{ - /* General Control and Status Registers (0x2_n000) */ - uint res000[4]; - - uint ievent; /* Interrupt Event */ - uint imask; /* Interrupt Mask */ - uint edis; /* Error Disabled */ - uint res01c; - uint ecntrl; /* Ethernet Control */ - uint minflr; /* Minimum Frame Length */ - uint ptv; /* Pause Time Value */ - uint dmactrl; /* DMA Control */ - uint tbipa; /* TBI PHY Address */ - - uint res034[3]; - uint res040[48]; - - /* Transmit Control and Status Registers (0x2_n100) */ - uint tctrl; /* Transmit Control */ - uint tstat; /* Transmit Status */ - uint res108; - uint tbdlen; /* Tx BD Data Length */ - uint res110[5]; - uint ctbptr; /* Current TxBD Pointer */ - uint res128[23]; - uint tbptr; /* TxBD Pointer */ - uint res188[30]; - /* (0x2_n200) */ - uint res200; - uint tbase; /* TxBD Base Address */ - uint res208[42]; - uint ostbd; /* Out of Sequence TxBD */ - uint ostbdp; /* Out of Sequence Tx Data Buffer Pointer */ - uint res2b8[18]; - - /* Receive Control and Status Registers (0x2_n300) */ - uint rctrl; /* Receive Control */ - uint rstat; /* Receive Status */ - uint res308; - uint rbdlen; /* RxBD Data Length */ - uint res310[4]; - uint res320; - uint crbptr; /* Current Receive Buffer Pointer */ - uint res328[6]; - uint mrblr; /* Maximum Receive Buffer Length */ - uint res344[16]; - uint rbptr; /* RxBD Pointer */ - uint res388[30]; - /* (0x2_n400) */ - uint res400; - uint rbase; /* RxBD Base Address */ - uint res408[62]; - - /* MAC Registers (0x2_n500) */ - uint maccfg1; /* MAC Configuration #1 */ - uint maccfg2; /* MAC Configuration #2 */ - uint ipgifg; /* Inter Packet Gap/Inter Frame Gap */ - uint hafdup; /* Half-duplex */ - uint maxfrm; /* Maximum Frame */ - uint res514; - uint res518; - - uint res51c; - - uint miimcfg; /* MII Management: Configuration */ - uint miimcom; /* MII Management: Command */ - uint miimadd; /* MII Management: Address */ - uint miimcon; /* MII Management: Control */ - uint miimstat; /* MII Management: Status */ - uint miimind; /* MII Management: Indicators */ - - uint res538; - - uint ifstat; /* Interface Status */ - uint macstnaddr1; /* Station Address, part 1 */ - uint macstnaddr2; /* Station Address, part 2 */ - uint res548[46]; - - /* (0x2_n600) */ - uint res600[32]; - - /* RMON MIB Registers (0x2_n680-0x2_n73c) */ - rmon_mib_t rmon; - uint res740[48]; - - /* Hash Function Registers (0x2_n800) */ - tsec_hash_t hash; - - uint res900[128]; - - /* Pattern Registers (0x2_nb00) */ - uint resb00[62]; - uint attr; /* Default Attribute Register */ - uint attreli; /* Default Attribute Extract Length and Index */ - - /* TSEC Future Expansion Space (0x2_nc00-0x2_nffc) */ - uint resc00[256]; -} tsec_t; - -struct tsec_private { - volatile tsec_t *regs; - volatile tsec_t *phyregs; - struct phy_info *phyinfo; - uint phyaddr; - uint gigabit; - uint link; - uint duplexity; - uint speed; -}; - - -/* - * struct phy_cmd: A command for reading or writing a PHY register - * - * mii_reg: The register to read or write - * - * mii_data: For writes, the value to put in the register. - * A value of -1 indicates this is a read. - * - * funct: A function pointer which is invoked for each command. - * For reads, this function will be passed the value read - * from the PHY, and process it. - * For writes, the result of this function will be written - * to the PHY register - */ -struct phy_cmd { - uint mii_reg; - uint mii_data; - uint (*funct) (uint mii_reg, struct tsec_private* priv); -}; - -/* struct phy_info: a structure which defines attributes for a PHY - * - * id will contain a number which represents the PHY. During - * startup, the driver will poll the PHY to find out what its - * UID--as defined by registers 2 and 3--is. The 32-bit result - * gotten from the PHY will be shifted right by "shift" bits to - * discard any bits which may change based on revision numbers - * unimportant to functionality - * - * The struct phy_cmd entries represent pointers to an arrays of - * commands which tell the driver what to do to the PHY. - */ -struct phy_info { - uint id; - char *name; - uint shift; - /* Called to configure the PHY, and modify the controller - * based on the results */ - struct phy_cmd *config; - - /* Called when starting up the controller */ - struct phy_cmd *startup; - - /* Called when bringing down the controller */ - struct phy_cmd *shutdown; -}; - -#endif /* __TSEC_H */ |