diff options
Diffstat (limited to 'cpu/ppc4xx')
| -rw-r--r-- | cpu/ppc4xx/44x_spd_ddr2.c | 193 | ||||
| -rw-r--r-- | cpu/ppc4xx/4xx_enet.c | 3 | ||||
| -rw-r--r-- | cpu/ppc4xx/Makefile | 2 | ||||
| -rw-r--r-- | cpu/ppc4xx/cpu.c | 48 | ||||
| -rw-r--r-- | cpu/ppc4xx/cpu_init.c | 118 | ||||
| -rw-r--r-- | cpu/ppc4xx/gpio.c | 214 | ||||
| -rw-r--r-- | cpu/ppc4xx/i2c.c | 4 | ||||
| -rw-r--r-- | cpu/ppc4xx/serial.c | 97 | ||||
| -rw-r--r-- | cpu/ppc4xx/speed.c | 114 | ||||
| -rw-r--r-- | cpu/ppc4xx/start.S | 110 | ||||
| -rw-r--r-- | cpu/ppc4xx/usb_ohci.c | 6 | ||||
| -rw-r--r-- | cpu/ppc4xx/vecnum.h | 42 |
12 files changed, 695 insertions, 256 deletions
diff --git a/cpu/ppc4xx/44x_spd_ddr2.c b/cpu/ppc4xx/44x_spd_ddr2.c index 83c9911..2ecd3e4 100644 --- a/cpu/ppc4xx/44x_spd_ddr2.c +++ b/cpu/ppc4xx/44x_spd_ddr2.c @@ -107,10 +107,11 @@ #define CALC_ODT_RW(n) (CALC_ODT_R(n) | CALC_ODT_W(n)) /* Defines for the Read Cycle Delay test */ -#define NUMMEMTESTS 8 -#define NUMMEMWORDS 8 +#define NUMMEMTESTS 8 +#define NUMMEMWORDS 8 +#define NUMLOOPS 256 /* memory test loops */ -#define CONFIG_ECC_ERROR_RESET /* test-only: see description below, at check_ecc() */ +#undef CONFIG_ECC_ERROR_RESET /* test-only: see description below, at check_ecc() */ /* * This DDR2 setup code can dynamically setup the TLB entries for the DDR2 memory @@ -584,10 +585,23 @@ static void get_spd_info(unsigned long *dimm_populated, #ifdef CONFIG_ADD_RAM_INFO void board_add_ram_info(int use_default) { + PPC440_SYS_INFO board_cfg; + u32 val; + if (is_ecc_enabled()) - puts(" (ECC enabled)"); + puts(" (ECC"); else - puts(" (ECC not enabled)"); + puts(" (ECC not"); + + get_sys_info(&board_cfg); + + mfsdr(SDR0_DDR0, val); + val = MULDIV64((board_cfg.freqPLB), SDR0_DDR0_DDRM_DECODE(val), 1); + printf(" enabled, %d MHz", (val * 2) / 1000000); + + mfsdram(SDRAM_MMODE, val); + val = (val & SDRAM_MMODE_DCL_MASK) >> 4; + printf(", CL%d)", val); } #endif @@ -731,6 +745,7 @@ static void check_frequency(unsigned long *dimm_populated, else cycle_time = (((tcyc_reg & 0xF0) >> 4) * 100) + ((tcyc_reg & 0x0F)*10); + debug("cycle_time=%d [10 picoseconds]\n", cycle_time); if (cycle_time > (calc_cycle_time + 10)) { /* @@ -1109,7 +1124,7 @@ static void program_codt(unsigned long *dimm_populated, modt3 = 0x00000000; } } - } else { + } else { codt |= SDRAM_CODT_DQS_2_5_V_DDR1; modt0 = 0x00000000; modt1 = 0x00000000; @@ -1315,6 +1330,7 @@ static void program_mode(unsigned long *dimm_populated, mfsdr(SDR0_DDR0, sdr_ddrpll); sdram_freq = MULDIV64((board_cfg.freqPLB), SDR0_DDR0_DDRM_DECODE(sdr_ddrpll), 1); + debug("sdram_freq=%d\n", sdram_freq); /*------------------------------------------------------------------ * Handle the timing. We need to find the worst case timing of all @@ -1344,6 +1360,7 @@ static void program_mode(unsigned long *dimm_populated, /* t_wr_ns = max(t_wr_ns, (unsigned long)dimm_spd[dimm_num][36] >> 2); */ /* not used in this loop. */ cas_bit = spd_read(iic0_dimm_addr[dimm_num], 18); + debug("cas_bit[SPD byte 18]=%02x\n", cas_bit); /* For a particular DIMM, grab the three CAS values it supports */ for (cas_index = 0; cas_index < 3; cas_index++) { @@ -1362,7 +1379,8 @@ static void program_mode(unsigned long *dimm_populated, if ((tcyc_reg & 0x0F) >= 10) { if ((tcyc_reg & 0x0F) == 0x0D) { /* Convert from hex to decimal */ - cycle_time_ns_x_100[cas_index] = (((tcyc_reg & 0xF0) >> 4) * 100) + 75; + cycle_time_ns_x_100[cas_index] = + (((tcyc_reg & 0xF0) >> 4) * 100) + 75; } else { printf("ERROR: SPD reported Tcyc is incorrect for DIMM " "in slot %d\n", (unsigned int)dimm_num); @@ -1370,9 +1388,12 @@ static void program_mode(unsigned long *dimm_populated, } } else { /* Convert from hex to decimal */ - cycle_time_ns_x_100[cas_index] = (((tcyc_reg & 0xF0) >> 4) * 100) + + cycle_time_ns_x_100[cas_index] = + (((tcyc_reg & 0xF0) >> 4) * 100) + ((tcyc_reg & 0x0F)*10); } + debug("cas_index=%d: cycle_time_ns_x_100=%d\n", cas_index, + cycle_time_ns_x_100[cas_index]); } /* The rest of this routine determines if CAS 2.0, 2.5, 3.0, 4.0 and 5.0 are */ @@ -1385,8 +1406,10 @@ static void program_mode(unsigned long *dimm_populated, * Bit 7 6 5 4 3 2 1 0 * TBD 4.0 3.5 3.0 2.5 2.0 1.5 1.0 */ - if (((cas_bit & 0x40) == 0x40) && (cas_index < 3) && (cycle_time_ns_x_100[cas_index] != 0)) { - max_4_0_tcyc_ns_x_100 = max(max_4_0_tcyc_ns_x_100, cycle_time_ns_x_100[cas_index]); + if (((cas_bit & 0x40) == 0x40) && (cas_index < 3) && + (cycle_time_ns_x_100[cas_index] != 0)) { + max_4_0_tcyc_ns_x_100 = max(max_4_0_tcyc_ns_x_100, + cycle_time_ns_x_100[cas_index]); cas_index++; } else { if (cas_index != 0) @@ -1394,8 +1417,10 @@ static void program_mode(unsigned long *dimm_populated, cas_4_0_available = FALSE; } - if (((cas_bit & 0x10) == 0x10) && (cas_index < 3) && (cycle_time_ns_x_100[cas_index] != 0)) { - max_3_0_tcyc_ns_x_100 = max(max_3_0_tcyc_ns_x_100, cycle_time_ns_x_100[cas_index]); + if (((cas_bit & 0x10) == 0x10) && (cas_index < 3) && + (cycle_time_ns_x_100[cas_index] != 0)) { + max_3_0_tcyc_ns_x_100 = max(max_3_0_tcyc_ns_x_100, + cycle_time_ns_x_100[cas_index]); cas_index++; } else { if (cas_index != 0) @@ -1403,8 +1428,10 @@ static void program_mode(unsigned long *dimm_populated, cas_3_0_available = FALSE; } - if (((cas_bit & 0x08) == 0x08) && (cas_index < 3) && (cycle_time_ns_x_100[cas_index] != 0)) { - max_2_5_tcyc_ns_x_100 = max(max_2_5_tcyc_ns_x_100, cycle_time_ns_x_100[cas_index]); + if (((cas_bit & 0x08) == 0x08) && (cas_index < 3) && + (cycle_time_ns_x_100[cas_index] != 0)) { + max_2_5_tcyc_ns_x_100 = max(max_2_5_tcyc_ns_x_100, + cycle_time_ns_x_100[cas_index]); cas_index++; } else { if (cas_index != 0) @@ -1412,8 +1439,10 @@ static void program_mode(unsigned long *dimm_populated, cas_2_5_available = FALSE; } - if (((cas_bit & 0x04) == 0x04) && (cas_index < 3) && (cycle_time_ns_x_100[cas_index] != 0)) { - max_2_0_tcyc_ns_x_100 = max(max_2_0_tcyc_ns_x_100, cycle_time_ns_x_100[cas_index]); + if (((cas_bit & 0x04) == 0x04) && (cas_index < 3) && + (cycle_time_ns_x_100[cas_index] != 0)) { + max_2_0_tcyc_ns_x_100 = max(max_2_0_tcyc_ns_x_100, + cycle_time_ns_x_100[cas_index]); cas_index++; } else { if (cas_index != 0) @@ -1426,8 +1455,10 @@ static void program_mode(unsigned long *dimm_populated, * Bit 7 6 5 4 3 2 1 0 * TBD 6.0 5.0 4.0 3.0 2.0 TBD TBD */ - if (((cas_bit & 0x20) == 0x20) && (cas_index < 3) && (cycle_time_ns_x_100[cas_index] != 0)) { - max_5_0_tcyc_ns_x_100 = max(max_5_0_tcyc_ns_x_100, cycle_time_ns_x_100[cas_index]); + if (((cas_bit & 0x20) == 0x20) && (cas_index < 3) && + (cycle_time_ns_x_100[cas_index] != 0)) { + max_5_0_tcyc_ns_x_100 = max(max_5_0_tcyc_ns_x_100, + cycle_time_ns_x_100[cas_index]); cas_index++; } else { if (cas_index != 0) @@ -1435,8 +1466,10 @@ static void program_mode(unsigned long *dimm_populated, cas_5_0_available = FALSE; } - if (((cas_bit & 0x10) == 0x10) && (cas_index < 3) && (cycle_time_ns_x_100[cas_index] != 0)) { - max_4_0_tcyc_ns_x_100 = max(max_4_0_tcyc_ns_x_100, cycle_time_ns_x_100[cas_index]); + if (((cas_bit & 0x10) == 0x10) && (cas_index < 3) && + (cycle_time_ns_x_100[cas_index] != 0)) { + max_4_0_tcyc_ns_x_100 = max(max_4_0_tcyc_ns_x_100, + cycle_time_ns_x_100[cas_index]); cas_index++; } else { if (cas_index != 0) @@ -1444,8 +1477,10 @@ static void program_mode(unsigned long *dimm_populated, cas_4_0_available = FALSE; } - if (((cas_bit & 0x08) == 0x08) && (cas_index < 3) && (cycle_time_ns_x_100[cas_index] != 0)) { - max_3_0_tcyc_ns_x_100 = max(max_3_0_tcyc_ns_x_100, cycle_time_ns_x_100[cas_index]); + if (((cas_bit & 0x08) == 0x08) && (cas_index < 3) && + (cycle_time_ns_x_100[cas_index] != 0)) { + max_3_0_tcyc_ns_x_100 = max(max_3_0_tcyc_ns_x_100, + cycle_time_ns_x_100[cas_index]); cas_index++; } else { if (cas_index != 0) @@ -1468,6 +1503,9 @@ static void program_mode(unsigned long *dimm_populated, cycle_3_0_clk = MULDIV64(ONE_BILLION, 100, max_3_0_tcyc_ns_x_100) + 10; cycle_4_0_clk = MULDIV64(ONE_BILLION, 100, max_4_0_tcyc_ns_x_100) + 10; cycle_5_0_clk = MULDIV64(ONE_BILLION, 100, max_5_0_tcyc_ns_x_100) + 10; + debug("cycle_3_0_clk=%d\n", cycle_3_0_clk); + debug("cycle_4_0_clk=%d\n", cycle_4_0_clk); + debug("cycle_5_0_clk=%d\n", cycle_5_0_clk); if (sdram_ddr1 == TRUE) { /* DDR1 */ if ((cas_2_0_available == TRUE) && (sdram_freq <= cycle_2_0_clk)) { @@ -1486,6 +1524,9 @@ static void program_mode(unsigned long *dimm_populated, hang(); } } else { /* DDR2 */ + debug("cas_3_0_available=%d\n", cas_3_0_available); + debug("cas_4_0_available=%d\n", cas_4_0_available); + debug("cas_5_0_available=%d\n", cas_5_0_available); if ((cas_3_0_available == TRUE) && (sdram_freq <= cycle_3_0_clk)) { mmode |= SDRAM_MMODE_DCL_DDR2_3_0_CLK; *selected_cas = DDR_CAS_3; @@ -2137,6 +2178,18 @@ static unsigned long is_ecc_enabled(void) return ecc; } +static void blank_string(int size) +{ + int i; + + for (i=0; i<size; i++) + putc('\b'); + for (i=0; i<size; i++) + putc(' '); + for (i=0; i<size; i++) + putc('\b'); +} + #ifdef CONFIG_DDR_ECC /*-----------------------------------------------------------------------------+ * program_ecc. @@ -2233,8 +2286,10 @@ static void program_ecc_addr(unsigned long start_address, unsigned long end_address; unsigned long address_increment; unsigned long mcopt1; - char str[] = "ECC generation..."; - int i; + char str[] = "ECC generation -"; + char slash[] = "\\|/-\\|/-"; + int loop = 0; + int loopi = 0; current_address = start_address; mfsdram(SDRAM_MCOPT1, mcopt1); @@ -2257,14 +2312,20 @@ static void program_ecc_addr(unsigned long start_address, while (current_address < end_address) { *((unsigned long *)current_address) = 0x00000000; current_address += address_increment; + + if ((loop++ % (2 << 20)) == 0) { + putc('\b'); + putc(slash[loopi++ % 8]); + } } + } else { /* ECC bit set method for cached memory */ dcbz_area(start_address, num_bytes); dflush(); } - for (i=0; i<strlen(str); i++) - putc('\b'); + + blank_string(strlen(str)); sync(); eieio(); @@ -2347,7 +2408,7 @@ static void program_DQS_calibration(unsigned long *dimm_populated, #endif } -static u32 short_mem_test(void) +static int short_mem_test(void) { u32 *membase; u32 bxcr_num; @@ -2371,42 +2432,41 @@ static u32 short_mem_test(void) 0xAA55AA55, 0xAA55AA55, 0x55AA55AA, 0x55AA55AA}, {0x55AA55AA, 0x55AA55AA, 0xAA55AA55, 0xAA55AA55, 0x55AA55AA, 0x55AA55AA, 0xAA55AA55, 0xAA55AA55} }; + int l; for (bxcr_num = 0; bxcr_num < MAXBXCF; bxcr_num++) { mfsdram(SDRAM_MB0CF + (bxcr_num << 2), bxcf); /* Banks enabled */ if ((bxcf & SDRAM_BXCF_M_BE_MASK) == SDRAM_BXCF_M_BE_ENABLE) { - /* Bank is enabled */ - membase = (u32 *)(SDRAM_RXBAS_SDBA_DECODE(mfdcr_any(SDRAM_R0BAS+bxcr_num))); /*------------------------------------------------------------------ * Run the short memory test. *-----------------------------------------------------------------*/ + membase = (u32 *)(SDRAM_RXBAS_SDBA_DECODE(mfdcr_any(SDRAM_R0BAS+bxcr_num))); + for (i = 0; i < NUMMEMTESTS; i++) { for (j = 0; j < NUMMEMWORDS; j++) { membase[j] = test[i][j]; ppcDcbf((u32)&(membase[j])); } sync(); - for (j = 0; j < NUMMEMWORDS; j++) { - if (membase[j] != test[i][j]) { + for (l=0; l<NUMLOOPS; l++) { + for (j = 0; j < NUMMEMWORDS; j++) { + if (membase[j] != test[i][j]) { + ppcDcbf((u32)&(membase[j])); + return 0; + } ppcDcbf((u32)&(membase[j])); - break; } - ppcDcbf((u32)&(membase[j])); + sync(); } - sync(); - if (j < NUMMEMWORDS) - break; } - if (i < NUMMEMTESTS) - break; } /* if bank enabled */ } /* for bxcf_num */ - return bxcr_num; + return 1; } #ifndef HARD_CODED_DQS @@ -2415,12 +2475,10 @@ static u32 short_mem_test(void) *-----------------------------------------------------------------------------*/ static void DQS_calibration_process(void) { - unsigned long ecc_temp; unsigned long rfdc_reg; unsigned long rffd; unsigned long rqdc_reg; unsigned long rqfd; - unsigned long bxcr_num; unsigned long val; long rqfd_average; long rffd_average; @@ -2440,6 +2498,10 @@ static void DQS_calibration_process(void) long max_end; unsigned char fail_found; unsigned char pass_found; + u32 rqfd_start; + char str[] = "Auto calibration -"; + char slash[] = "\\|/-\\|/-"; + int loopi = 0; /*------------------------------------------------------------------ * Test to determine the best read clock delay tuning bits. @@ -2464,11 +2526,16 @@ static void DQS_calibration_process(void) * we can clock the DDR interface at is 200 MHz (2x 100 MHz PLB speed), * from experimentation it is safe to say you will always have a failure. *-----------------------------------------------------------------*/ - mfsdram(SDRAM_MCOPT1, ecc_temp); - ecc_temp &= SDRAM_MCOPT1_MCHK_MASK; - mfsdram(SDRAM_MCOPT1, val); - mtsdram(SDRAM_MCOPT1, (val & ~SDRAM_MCOPT1_MCHK_MASK) | - SDRAM_MCOPT1_MCHK_NON); + + /* first fix RQDC[RQFD] to an average of 80 degre phase shift to find RFDC[RFFD] */ + rqfd_start = 64; /* test-only: don't know if this is the _best_ start value */ + + puts(str); + +calibration_loop: + mfsdram(SDRAM_RQDC, rqdc_reg); + mtsdram(SDRAM_RQDC, (rqdc_reg & ~SDRAM_RQDC_RQFD_MASK) | + SDRAM_RQDC_RQFD_ENCODE(rqfd_start)); max_start = 0; min_end = 0; @@ -2492,9 +2559,6 @@ static void DQS_calibration_process(void) fail_found = FALSE; pass_found = FALSE; - /* first fix RQDC[RQFD] to an average of 80 degre phase shift to find RFDC[RFFD] */ - /* rqdc_reg = mfsdram(SDRAM_RQDC) & ~(SDRAM_RQDC_RQFD_MASK); */ - /* * get the delay line calibration register value */ @@ -2510,13 +2574,10 @@ static void DQS_calibration_process(void) *-----------------------------------------------------------------*/ mtsdram(SDRAM_RFDC, rfdc_reg | SDRAM_RFDC_RFFD_ENCODE(rffd)); - /* do the small memory test */ - bxcr_num = short_mem_test(); - /*------------------------------------------------------------------ * See if the rffd value passed. *-----------------------------------------------------------------*/ - if (bxcr_num == MAXBXCF) { + if (short_mem_test()) { if (fail_found == TRUE) { pass_found = TRUE; if (current_pass_length == 0) @@ -2578,13 +2639,10 @@ static void DQS_calibration_process(void) *-----------------------------------------------------------------*/ mtsdram(SDRAM_RQDC, rqdc_reg | SDRAM_RQDC_RQFD_ENCODE(rqfd)); - /* do the small memory test */ - bxcr_num = short_mem_test(); - /*------------------------------------------------------------------ * See if the rffd value passed. *-----------------------------------------------------------------*/ - if (bxcr_num == MAXBXCF) { + if (short_mem_test()) { if (fail_found == TRUE) { pass_found = TRUE; if (current_pass_length == 0) @@ -2612,17 +2670,28 @@ static void DQS_calibration_process(void) } } + rqfd_average = ((max_start + max_end) >> 1); + /*------------------------------------------------------------------ * Make sure we found the valid read passing window. Halt if not *-----------------------------------------------------------------*/ if (window_found == FALSE) { - printf("ERROR: Cannot determine a common read delay for the " + if (rqfd_start < SDRAM_RQDC_RQFD_MAX) { + putc('\b'); + putc(slash[loopi++ % 8]); + + /* try again from with a different RQFD start value */ + rqfd_start++; + goto calibration_loop; + } + + printf("\nERROR: Cannot determine a common read delay for the " "DIMM(s) installed.\n"); debug("%s[%d] ERROR : \n", __FUNCTION__,__LINE__); hang(); } - rqfd_average = ((max_start + max_end) >> 1); + blank_string(strlen(str)); if (rqfd_average < 0) rqfd_average = 0; @@ -2630,12 +2699,6 @@ static void DQS_calibration_process(void) if (rqfd_average > SDRAM_RQDC_RQFD_MAX) rqfd_average = SDRAM_RQDC_RQFD_MAX; - /*------------------------------------------------------------------ - * Restore the ECC variable to what it originally was - *-----------------------------------------------------------------*/ - mfsdram(SDRAM_MCOPT1, val); - mtsdram(SDRAM_MCOPT1, (val & ~SDRAM_MCOPT1_MCHK_MASK) | ecc_temp); - mtsdram(SDRAM_RQDC, (rqdc_reg & ~SDRAM_RQDC_RQFD_MASK) | SDRAM_RQDC_RQFD_ENCODE(rqfd_average)); diff --git a/cpu/ppc4xx/4xx_enet.c b/cpu/ppc4xx/4xx_enet.c index 4f55583..cf56581 100644 --- a/cpu/ppc4xx/4xx_enet.c +++ b/cpu/ppc4xx/4xx_enet.c @@ -1333,6 +1333,9 @@ int enetInt (struct eth_device *dev) } } mtdcr (uicsr, MAL_UIC_DEF|EMAC_UIC_DEF|EMAC_UIC_DEF1); /* Clear */ +#if defined(CONFIG_405EZ) + mtsdr (sdricintstat, SDR_ICRX_STAT | SDR_ICTX0_STAT | SDR_ICTX1_STAT); +#endif /* defined(CONFIG_405EZ) */ } while (serviced); diff --git a/cpu/ppc4xx/Makefile b/cpu/ppc4xx/Makefile index 96f0f62..4068b53 100644 --- a/cpu/ppc4xx/Makefile +++ b/cpu/ppc4xx/Makefile @@ -29,7 +29,7 @@ START = start.o resetvec.o kgdb.o SOBJS = dcr.o COBJS = 405gp_pci.o 4xx_enet.o \ bedbug_405.o commproc.o \ - cpu.o cpu_init.o i2c.o interrupts.o \ + cpu.o cpu_init.o gpio.o i2c.o interrupts.o \ miiphy.o ndfc.o sdram.o serial.o \ 40x_spd_sdram.o 44x_spd_ddr.o 44x_spd_ddr2.o speed.o \ tlb.o traps.o usb_ohci.o usbdev.o \ diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c index b02f6f4..8e6bc84 100644 --- a/cpu/ppc4xx/cpu.c +++ b/cpu/ppc4xx/cpu.c @@ -47,6 +47,9 @@ void board_reset(void); #if defined(CONFIG_440) #define FREQ_EBC (sys_info.freqEPB) +#elif defined(CONFIG_405EZ) +#define FREQ_EBC ((CONFIG_SYS_CLK_FREQ * sys_info.pllFbkDiv) / \ + sys_info.pllExtBusDiv) #else #define FREQ_EBC (sys_info.freqPLB / sys_info.pllExtBusDiv) #endif @@ -122,6 +125,7 @@ int i2c_bootrom_enabled(void) return (val & SDR0_SDCS_SDD); #endif } +#endif #if defined(CONFIG_440GX) #define SDR0_PINSTP_SHIFT 29 @@ -175,16 +179,37 @@ static char *bootstrap_str[] = { }; #endif +#if defined(CONFIG_405EZ) +#define SDR0_PINSTP_SHIFT 28 +static char *bootstrap_str[] = { + "EBC (8 bits)", + "SPI (fast)", + "NAND (512 page, 4 addr cycle)", + "I2C (Addr 0x50)", + "EBC (32 bits)", + "I2C (Addr 0x50)", + "NAND (2K page, 5 addr cycle)", + "I2C (Addr 0x50)", + "EBC (16 bits)", + "Reserved", + "NAND (2K page, 4 addr cycle)", + "I2C (Addr 0x50)", + "NAND (512 page, 3 addr cycle)", + "I2C (Addr 0x50)", + "SPI (slow)", + "I2C (Addr 0x50)", +}; +#endif + #if defined(SDR0_PINSTP_SHIFT) static int bootstrap_option(void) { unsigned long val; - mfsdr(sdr_pinstp, val); - return ((val & 0xe0000000) >> SDR0_PINSTP_SHIFT); + mfsdr(SDR_PINSTP, val); + return ((val & 0xf0000000) >> SDR0_PINSTP_SHIFT); } #endif /* SDR0_PINSTP_SHIFT */ -#endif #if defined(CONFIG_440) @@ -209,7 +234,8 @@ int checkcpu (void) puts("AMCC PowerPC 4"); -#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_405EP) +#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \ + defined(CONFIG_405EP) || defined(CONFIG_405EZ) puts("05"); #endif #if defined(CONFIG_440) @@ -257,6 +283,10 @@ int checkcpu (void) puts("EP Rev. B"); break; + case PVR_405EZ_RA: + puts("EZ Rev. A"); + break; + #if defined(CONFIG_440) case PVR_440GP_RB: puts("GP Rev. B"); @@ -386,20 +416,20 @@ int checkcpu (void) } printf (" at %s MHz (PLB=%lu, OPB=%lu, EBC=%lu MHz)\n", strmhz(buf, clock), - sys_info.freqPLB / 1000000, - sys_info.freqPLB / sys_info.pllOpbDiv / 1000000, - FREQ_EBC / 1000000); + sys_info.freqPLB / 1000000, + get_OPB_freq() / 1000000, + FREQ_EBC / 1000000); if (addstr[0] != 0) printf(" %s\n", addstr); #if defined(I2C_BOOTROM) printf (" I2C boot EEPROM %sabled\n", i2c_bootrom_enabled() ? "en" : "dis"); +#endif /* I2C_BOOTROM */ #if defined(SDR0_PINSTP_SHIFT) printf (" Bootstrap Option %c - ", (char)bootstrap_option() + 'A'); printf ("Boot ROM Location %s\n", bootstrap_str[bootstrap_option()]); #endif /* SDR0_PINSTP_SHIFT */ -#endif /* I2C_BOOTROM */ #if defined(CONFIG_PCI) printf (" Internal PCI arbiter %sabled", pci_arbiter_enabled() ? "en" : "dis"); @@ -418,7 +448,7 @@ int checkcpu (void) putc('\n'); #endif -#if defined(CONFIG_405EP) +#if defined(CONFIG_405EP) || defined(CONFIG_405EZ) printf (" 16 kB I-Cache 16 kB D-Cache"); #elif defined(CONFIG_440) printf (" 32 kB I-Cache 32 kB D-Cache"); diff --git a/cpu/ppc4xx/cpu_init.c b/cpu/ppc4xx/cpu_init.c index 82ae443..66e8637 100644 --- a/cpu/ppc4xx/cpu_init.c +++ b/cpu/ppc4xx/cpu_init.c @@ -25,6 +25,7 @@ #include <watchdog.h> #include <ppc4xx_enet.h> #include <asm/processor.h> +#include <asm/gpio.h> #include <ppc4xx.h> #if defined(CONFIG_405GP) || defined(CONFIG_405EP) @@ -98,118 +99,6 @@ DECLARE_GLOBAL_DATA_PTR; # endif #endif /* CFG_INIT_DCACHE_CS */ -#if defined(CFG_440_GPIO_TABLE) -gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX] = CFG_440_GPIO_TABLE; - -void set_chip_gpio_configuration(gpio_param_s (*gpio_tab)[GPIO_GROUP_MAX][GPIO_MAX]) -{ - unsigned char i=0, j=0, reg_offset = 0, gpio_core; - unsigned long gpio_reg, gpio_core_add; - - for (gpio_core=0; gpio_core<GPIO_GROUP_MAX; gpio_core++) { - j = 0; - reg_offset = 0; - /* GPIO config of the GPIOs 0 to 31 */ - for (i=0; i<GPIO_MAX; i++, j++) { - if (i == GPIO_MAX/2) { - reg_offset = 4; - j = i-16; - } - - gpio_core_add = (*gpio_tab)[gpio_core][i].add; - - if (((*gpio_tab)[gpio_core][i].in_out == GPIO_IN) || - ((*gpio_tab)[gpio_core][i].in_out == GPIO_BI)) { - - switch ((*gpio_tab)[gpio_core][i].alt_nb) { - case GPIO_SEL: - break; - - case GPIO_ALT1: - gpio_reg = in32(GPIO_IS1(gpio_core_add+reg_offset)) - & ~(GPIO_MASK >> (j*2)); - gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2)); - out32(GPIO_IS1(gpio_core_add+reg_offset), gpio_reg); - break; - - case GPIO_ALT2: - gpio_reg = in32(GPIO_IS2(gpio_core_add+reg_offset)) - & ~(GPIO_MASK >> (j*2)); - gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2)); - out32(GPIO_IS2(gpio_core_add+reg_offset), gpio_reg); - break; - - case GPIO_ALT3: - gpio_reg = in32(GPIO_IS3(gpio_core_add+reg_offset)) - & ~(GPIO_MASK >> (j*2)); - gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2)); - out32(GPIO_IS3(gpio_core_add+reg_offset), gpio_reg); - break; - } - } - - if (((*gpio_tab)[gpio_core][i].in_out == GPIO_OUT) || - ((*gpio_tab)[gpio_core][i].in_out == GPIO_BI)) { - - switch ((*gpio_tab)[gpio_core][i].alt_nb) { - case GPIO_SEL: - if (gpio_core == GPIO0) { - gpio_reg = in32(GPIO0_TCR) | (0x80000000 >> (j)); - out32(GPIO0_TCR, gpio_reg); - } - - if (gpio_core == GPIO1) { - gpio_reg = in32(GPIO1_TCR) | (0x80000000 >> (j)); - out32(GPIO1_TCR, gpio_reg); - } - - gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset)) - & ~(GPIO_MASK >> (j*2)); - out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg); - gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset)) - & ~(GPIO_MASK >> (j*2)); - out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg); - break; - - case GPIO_ALT1: - gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset)) - & ~(GPIO_MASK >> (j*2)); - gpio_reg = gpio_reg | (GPIO_ALT1_SEL >> (j*2)); - out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg); - gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset)) - & ~(GPIO_MASK >> (j*2)); - gpio_reg = gpio_reg | (GPIO_ALT1_SEL >> (j*2)); - out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg); - break; - - case GPIO_ALT2: - gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset)) - & ~(GPIO_MASK >> (j*2)); - gpio_reg = gpio_reg | (GPIO_ALT2_SEL >> (j*2)); - out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg); - gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset)) - & ~(GPIO_MASK >> (j*2)); - gpio_reg = gpio_reg | (GPIO_ALT2_SEL >> (j*2)); - out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg); - break; - - case GPIO_ALT3: - gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset)) - & ~(GPIO_MASK >> (j*2)); - gpio_reg = gpio_reg | (GPIO_ALT3_SEL >> (j*2)); - out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg); - gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset)) - & ~(GPIO_MASK >> (j*2)); - gpio_reg = gpio_reg | (GPIO_ALT3_SEL >> (j*2)); - out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg); - break; - } - } - } - } -} -#endif /* CFG_440_GPIO_TABLE */ - /* * Breath some life into the CPU... * @@ -248,7 +137,7 @@ cpu_init_f (void) #endif /* CONFIG_405EP */ #if defined(CFG_440_GPIO_TABLE) - set_chip_gpio_configuration(&gpio_tab); + gpio_set_chip_configuration(); #endif /* CFG_440_GPIO_TABLE */ /* @@ -256,7 +145,8 @@ cpu_init_f (void) */ #if (defined(CFG_EBC_PB0AP) && defined(CFG_EBC_PB0CR)) #if (defined(CONFIG_405GP) || defined(CONFIG_405CR) || \ - defined(CONFIG_405EP) || defined(CONFIG_405)) + defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \ + defined(CONFIG_405)) /* * Move the next instructions into icache, since these modify the flash * we are running from! diff --git a/cpu/ppc4xx/gpio.c b/cpu/ppc4xx/gpio.c new file mode 100644 index 0000000..dd84e58 --- /dev/null +++ b/cpu/ppc4xx/gpio.c @@ -0,0 +1,214 @@ +/* + * (C) Copyright 2007 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/processor.h> +#include <asm/io.h> +#include <asm/gpio.h> + +#if defined(CFG_440_GPIO_TABLE) +gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX] = CFG_440_GPIO_TABLE; +#endif + +#if defined(GPIO0_OSRL) +/* Only some 4xx variants support alternate funtions on the GPIO's */ +void gpio_config(int pin, int in_out, int gpio_alt, int out_val) +{ + u32 mask; + u32 mask2; + u32 val; + u32 offs = 0; + u32 offs2 = 0; + int pin2 = pin << 1; + + if (pin >= GPIO_MAX) { + offs = 0x100; + pin -= GPIO_MAX; + } + + if (pin >= GPIO_MAX/2) { + offs2 = 0x100; + pin2 = (pin - GPIO_MAX/2) << 1; + } + + mask = 0x80000000 >> pin; + mask2 = 0xc0000000 >> (pin2 << 1); + + /* first set TCR to 0 */ + out32(GPIO0_TCR + offs, in32(GPIO0_TCR + offs) & ~mask); + + if (in_out == GPIO_OUT) { + val = in32(GPIO0_OSRL + offs + offs2) & ~mask2; + switch (gpio_alt) { + case GPIO_ALT1: + val |= GPIO_ALT1_SEL >> pin2; + break; + case GPIO_ALT2: + val |= GPIO_ALT2_SEL >> pin2; + break; + case GPIO_ALT3: + val |= GPIO_ALT3_SEL >> pin2; + break; + } + out32(GPIO0_OSRL + offs + offs2, val); + + /* setup requested output value */ + if (out_val == GPIO_OUT_0) + out32(GPIO0_OR + offs, in32(GPIO0_OR + offs) & ~mask); + else if (out_val == GPIO_OUT_1) + out32(GPIO0_OR + offs, in32(GPIO0_OR + offs) | mask); + + /* now configure TCR to drive output if selected */ + out32(GPIO0_TCR + offs, in32(GPIO0_TCR + offs) | mask); + } else { + val = in32(GPIO0_ISR1L + offs + offs2) & ~mask2; + val |= GPIO_IN_SEL >> pin2; + out32(GPIO0_ISR1L + offs + offs2, val); + } +} +#endif /* GPIO_OSRL */ + +void gpio_write_bit(int pin, int val) +{ + u32 offs = 0; + + if (pin >= GPIO_MAX) { + offs = 0x100; + pin -= GPIO_MAX; + } + + if (val) + out32(GPIO0_OR + offs, in32(GPIO0_OR + offs) | GPIO_VAL(pin)); + else + out32(GPIO0_OR + offs, in32(GPIO0_OR + offs) & ~GPIO_VAL(pin)); +} + +#if defined(CFG_440_GPIO_TABLE) +void gpio_set_chip_configuration(void) +{ + unsigned char i=0, j=0, offs=0, gpio_core; + unsigned long reg, core_add; + + for (gpio_core=0; gpio_core<GPIO_GROUP_MAX; gpio_core++) { + j = 0; + offs = 0; + /* GPIO config of the GPIOs 0 to 31 */ + for (i=0; i<GPIO_MAX; i++, j++) { + if (i == GPIO_MAX/2) { + offs = 4; + j = i-16; + } + + core_add = gpio_tab[gpio_core][i].add; + + if ((gpio_tab[gpio_core][i].in_out == GPIO_IN) || + (gpio_tab[gpio_core][i].in_out == GPIO_BI)) { + + switch (gpio_tab[gpio_core][i].alt_nb) { + case GPIO_SEL: + break; + + case GPIO_ALT1: + reg = in32(GPIO_IS1(core_add+offs)) + & ~(GPIO_MASK >> (j*2)); + reg = reg | (GPIO_IN_SEL >> (j*2)); + out32(GPIO_IS1(core_add+offs), reg); + break; + + case GPIO_ALT2: + reg = in32(GPIO_IS2(core_add+offs)) + & ~(GPIO_MASK >> (j*2)); + reg = reg | (GPIO_IN_SEL >> (j*2)); + out32(GPIO_IS2(core_add+offs), reg); + break; + + case GPIO_ALT3: + reg = in32(GPIO_IS3(core_add+offs)) + & ~(GPIO_MASK >> (j*2)); + reg = reg | (GPIO_IN_SEL >> (j*2)); + out32(GPIO_IS3(core_add+offs), reg); + break; + } + } + + if ((gpio_tab[gpio_core][i].in_out == GPIO_OUT) || + (gpio_tab[gpio_core][i].in_out == GPIO_BI)) { + + switch (gpio_tab[gpio_core][i].alt_nb) { + case GPIO_SEL: + if (gpio_core == GPIO0) { + reg = in32(GPIO0_TCR) | (0x80000000 >> (j)); + out32(GPIO0_TCR, reg); + } + + if (gpio_core == GPIO1) { + reg = in32(GPIO1_TCR) | (0x80000000 >> (j)); + out32(GPIO1_TCR, reg); + } + + reg = in32(GPIO_OS(core_add+offs)) + & ~(GPIO_MASK >> (j*2)); + out32(GPIO_OS(core_add+offs), reg); + reg = in32(GPIO_TS(core_add+offs)) + & ~(GPIO_MASK >> (j*2)); + out32(GPIO_TS(core_add+offs), reg); + break; + + case GPIO_ALT1: + reg = in32(GPIO_OS(core_add+offs)) + & ~(GPIO_MASK >> (j*2)); + reg = reg | (GPIO_ALT1_SEL >> (j*2)); + out32(GPIO_OS(core_add+offs), reg); + reg = in32(GPIO_TS(core_add+offs)) + & ~(GPIO_MASK >> (j*2)); + reg = reg | (GPIO_ALT1_SEL >> (j*2)); + out32(GPIO_TS(core_add+offs), reg); + break; + + case GPIO_ALT2: + reg = in32(GPIO_OS(core_add+offs)) + & ~(GPIO_MASK >> (j*2)); + reg = reg | (GPIO_ALT2_SEL >> (j*2)); + out32(GPIO_OS(core_add+offs), reg); + reg = in32(GPIO_TS(core_add+offs)) + & ~(GPIO_MASK >> (j*2)); + reg = reg | (GPIO_ALT2_SEL >> (j*2)); + out32(GPIO_TS(core_add+offs), reg); + break; + + case GPIO_ALT3: + reg = in32(GPIO_OS(core_add+offs)) + & ~(GPIO_MASK >> (j*2)); + reg = reg | (GPIO_ALT3_SEL >> (j*2)); + out32(GPIO_OS(core_add+offs), reg); + reg = in32(GPIO_TS(core_add+offs)) + & ~(GPIO_MASK >> (j*2)); + reg = reg | (GPIO_ALT3_SEL >> (j*2)); + out32(GPIO_TS(core_add+offs), reg); + break; + } + } + } + } +} +#endif /* CFG_440_GPIO_TABLE */ diff --git a/cpu/ppc4xx/i2c.c b/cpu/ppc4xx/i2c.c index 8f4da86..47c264e 100644 --- a/cpu/ppc4xx/i2c.c +++ b/cpu/ppc4xx/i2c.c @@ -91,7 +91,6 @@ static void _i2c_bus_reset(void) void i2c_init(int speed, int slaveadd) { - sys_info_t sysInfo; unsigned long freqOPB; int val, divisor; int bus; @@ -124,8 +123,7 @@ void i2c_init(int speed, int slaveadd) /* Clock divide Register */ /* get OPB frequency */ - get_sys_info(&sysInfo); - freqOPB = sysInfo.freqPLB / sysInfo.pllOpbDiv; + freqOPB = get_OPB_freq(); /* set divisor according to freqOPB */ divisor = (freqOPB - 1) / 10000000; if (divisor == 0) diff --git a/cpu/ppc4xx/serial.c b/cpu/ppc4xx/serial.c index fab0d95..e62dd9d 100644 --- a/cpu/ppc4xx/serial.c +++ b/cpu/ppc4xx/serial.c @@ -264,7 +264,8 @@ int serial_tstc () #endif /* CONFIG_IOP480 */ /*****************************************************************************/ -#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_405EP) || \ +#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \ + defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \ defined(CONFIG_440) #if defined(CONFIG_440) @@ -309,7 +310,7 @@ int serial_tstc () #define MFREG(a, d) mfsdr(a, d) #define MTREG(a, d) mtsdr(a, d) #endif /* #if defined(CONFIG_440GP) */ -#elif defined(CONFIG_405EP) +#elif defined(CONFIG_405EP) || defined(CONFIG_405EZ) #define UART0_BASE 0xef600300 #define UART1_BASE 0xef600400 #define UCR0_MASK 0x0000007f @@ -392,47 +393,95 @@ volatile static serial_buffer_t buf_info; #if defined(CONFIG_440) && !defined(CFG_EXT_SERIAL_CLOCK) static void serial_divs (int baudrate, unsigned long *pudiv, - unsigned short *pbdiv ) + unsigned short *pbdiv) { - sys_info_t sysinfo; + sys_info_t sysinfo; unsigned long div; /* total divisor udiv * bdiv */ unsigned long umin; /* minimum udiv */ - unsigned short diff; /* smallest diff */ - unsigned long udiv; /* best udiv */ - - unsigned short idiff; /* current diff */ - unsigned short ibdiv; /* current bdiv */ + unsigned short diff; /* smallest diff */ + unsigned long udiv; /* best udiv */ + unsigned short idiff; /* current diff */ + unsigned short ibdiv; /* current bdiv */ unsigned long i; - unsigned long est; /* current estimate */ + unsigned long est; /* current estimate */ - get_sys_info( &sysinfo ); + get_sys_info(&sysinfo); - udiv = 32; /* Assume lowest possible serial clk */ - div = sysinfo.freqPLB/(16*baudrate); /* total divisor */ - umin = sysinfo.pllOpbDiv<<1; /* 2 x OPB divisor */ - diff = 32; /* highest possible */ + udiv = 32; /* Assume lowest possible serial clk */ + div = sysinfo.freqPLB / (16 * baudrate); /* total divisor */ + umin = sysinfo.pllOpbDiv << 1; /* 2 x OPB divisor */ + diff = 32; /* highest possible */ /* i is the test udiv value -- start with the largest * possible (32) to minimize serial clock and constrain * search to umin. */ - for( i = 32; i > umin; i-- ){ - ibdiv = div/i; + for (i = 32; i > umin; i--) { + ibdiv = div / i; est = i * ibdiv; idiff = (est > div) ? (est-div) : (div-est); - if( idiff == 0 ){ + if (idiff == 0) { udiv = i; break; /* can't do better */ - } - else if( idiff < diff ){ + } else if (idiff < diff) { udiv = i; /* best so far */ diff = idiff; /* update lowest diff*/ } } *pudiv = udiv; - *pbdiv = div/udiv; + *pbdiv = div / udiv; +} + +#elif defined(CONFIG_405EZ) + +static void serial_divs (int baudrate, unsigned long *pudiv, + unsigned short *pbdiv) +{ + sys_info_t sysinfo; + unsigned long div; /* total divisor udiv * bdiv */ + unsigned long umin; /* minimum udiv */ + unsigned short diff; /* smallest diff */ + unsigned long udiv; /* best udiv */ + unsigned short idiff; /* current diff */ + unsigned short ibdiv; /* current bdiv */ + unsigned long i; + unsigned long est; /* current estimate */ + unsigned long plloutb; + u32 reg; + + get_sys_info(&sysinfo); + plloutb = ((CONFIG_SYS_CLK_FREQ * sysinfo.pllFwdDiv * sysinfo.pllFbkDiv) + / sysinfo.pllFwdDivB); + udiv = 256; /* Assume lowest possible serial clk */ + div = plloutb / (16 * baudrate); /* total divisor */ + umin = (plloutb / get_OPB_freq()) << 1; /* 2 x OPB divisor */ + diff = 256; /* highest possible */ + + /* i is the test udiv value -- start with the largest + * possible (256) to minimize serial clock and constrain + * search to umin. + */ + for (i = 256; i > umin; i--) { + ibdiv = div / i; + est = i * ibdiv; + idiff = (est > div) ? (est-div) : (div-est); + if (idiff == 0) { + udiv = i; + break; /* can't do better */ + } else if (idiff < diff) { + udiv = i; /* best so far */ + diff = idiff; /* update lowest diff*/ + } + } + + *pudiv = udiv; + mfcpr(cprperd0, reg); + reg &= ~0x0000ffff; + reg |= ((udiv - 0) << 8) | (udiv - 0); + mtcpr(cprperd0, reg); + *pbdiv = div / udiv; } #endif /* defined(CONFIG_440) && !defined(CFG_EXT_SERIAL_CLK) */ @@ -518,6 +567,10 @@ int serial_init (void) unsigned short bdiv; volatile char val; +#if defined(CONFIG_405EZ) + serial_divs(gd->baudrate, &udiv, &bdiv); + clk = tmp = reg = 0; +#else #ifdef CONFIG_405EP reg = mfdcr(cpc0_ucr) & ~(UCR0_MASK | UCR1_MASK); clk = gd->cpu_clk; @@ -548,9 +601,9 @@ int serial_init (void) reg |= (udiv - 1) << CR0_UDIV_POS; /* set the UART divisor */ mtdcr (cntrl0, reg); #endif /* CONFIG_405EP */ - tmp = gd->baudrate * udiv * 16; bdiv = (clk + tmp / 2) / tmp; +#endif /* CONFIG_405EZ */ out8(UART_BASE + UART_LCR, 0x80); /* set DLAB bit */ out8(UART_BASE + UART_DLL, bdiv); /* set baudrate divisor */ diff --git a/cpu/ppc4xx/speed.c b/cpu/ppc4xx/speed.c index 06220c3..028b11a 100644 --- a/cpu/ppc4xx/speed.c +++ b/cpu/ppc4xx/speed.c @@ -767,11 +767,119 @@ ulong get_PCI_freq (void) return val; } +#elif defined(CONFIG_405EZ) +void get_sys_info (PPC405_SYS_INFO * sysInfo) +{ + unsigned long cpr_plld; + unsigned long cpr_primad; + unsigned long sysClkPeriodPs = ONE_BILLION / (CONFIG_SYS_CLK_FREQ/1000); + unsigned long primad_cpudv; + unsigned long m; + + /* + * Read PLL Mode registers + */ + mfcpr(cprplld, cpr_plld); + + /* + * Determine forward divider A + */ + sysInfo->pllFwdDiv = ((cpr_plld & PLLD_FWDVA_MASK) >> 16); + + /* + * Determine forward divider B (should be equal to A) + */ + sysInfo->pllFwdDivB = ((cpr_plld & PLLD_FWDVB_MASK) >> 8); + if (sysInfo->pllFwdDivB == 0) { + sysInfo->pllFwdDivB = 8; + } + + /* + * Determine FBK_DIV. + */ + sysInfo->pllFbkDiv = ((cpr_plld & PLLD_FBDV_MASK) >> 24); + if (sysInfo->pllFbkDiv == 0) { + sysInfo->pllFbkDiv = 256; + } + + /* + * Read CPR_PRIMAD register + */ + mfcpr(cprprimad, cpr_primad); + /* + * Determine PLB_DIV. + */ + sysInfo->pllPlbDiv = ((cpr_primad & PRIMAD_PLBDV_MASK) >> 16); + if (sysInfo->pllPlbDiv == 0) { + sysInfo->pllPlbDiv = 16; + } + + /* + * Determine EXTBUS_DIV. + */ + sysInfo->pllExtBusDiv = (cpr_primad & PRIMAD_EBCDV_MASK); + if (sysInfo->pllExtBusDiv == 0) { + sysInfo->pllExtBusDiv = 16; + } + + /* + * Determine OPB_DIV. + */ + sysInfo->pllOpbDiv = ((cpr_primad & PRIMAD_OPBDV_MASK) >> 8); + if (sysInfo->pllOpbDiv == 0) { + sysInfo->pllOpbDiv = 16; + } + + /* + * Determine the M factor + */ + m = sysInfo->pllFbkDiv * sysInfo->pllFwdDivB; + + /* + * Determine VCO clock frequency + */ + sysInfo->freqVCOHz = (1000000000000LL * (unsigned long long)m) / + (unsigned long long)sysClkPeriodPs; + + /* + * Determine CPU clock frequency + */ + primad_cpudv = ((cpr_primad & PRIMAD_CPUDV_MASK) >> 24); + if (primad_cpudv == 0) { + primad_cpudv = 16; + } + + sysInfo->freqProcessor = (CONFIG_SYS_CLK_FREQ * sysInfo->pllFbkDiv) / primad_cpudv; + + /* + * Determine PLB clock frequency + */ + sysInfo->freqPLB = (CONFIG_SYS_CLK_FREQ * sysInfo->pllFbkDiv) / sysInfo->pllPlbDiv; +} + +/******************************************** + * get_OPB_freq + * return OPB bus freq in Hz + *********************************************/ +ulong get_OPB_freq (void) +{ + ulong val = 0; + + PPC405_SYS_INFO sys_info; + + get_sys_info (&sys_info); + val = (CONFIG_SYS_CLK_FREQ * sys_info.pllFbkDiv) / sys_info.pllOpbDiv; + + return val; +} + #endif int get_clocks (void) { -#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) || defined(CONFIG_405) || defined(CONFIG_405EP) +#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \ + defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \ + defined(CONFIG_440) || defined(CONFIG_405) sys_info_t sys_info; get_sys_info (&sys_info); @@ -796,7 +904,9 @@ ulong get_bus_freq (ulong dummy) { ulong val; -#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_405) || defined(CONFIG_440) || defined(CONFIG_405EP) +#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \ + defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \ + defined(CONFIG_440) || defined(CONFIG_405) sys_info_t sys_info; get_sys_info (&sys_info); diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S index 54be37c..a96083c 100644 --- a/cpu/ppc4xx/start.S +++ b/cpu/ppc4xx/start.S @@ -2,6 +2,7 @@ * Copyright (C) 1998 Dan Malek <dmalek@jlc.net> * Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se> * Copyright (C) 2000,2001,2002 Wolfgang Denk <wd@denx.de> + * Copyright (C) 2007 Stefan Roese <sr@denx.de>, DENX Software Engineering * * See file CREDITS for list of people who contributed to this * project. @@ -699,7 +700,9 @@ _start: #endif /* CONFIG_IOP480 */ /*****************************************************************************/ -#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_405) || defined(CONFIG_405EP) +#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \ + defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \ + defined(CONFIG_405) /*----------------------------------------------------------------------- */ /* Clear and set up some registers. */ /*----------------------------------------------------------------------- */ @@ -727,13 +730,13 @@ _start: /*----------------------------------------------------------------------- */ /* Enable two 128MB cachable regions. */ /*----------------------------------------------------------------------- */ - addis r4,r0,0x8000 - addi r4,r4,0x0001 + lis r4,0x8000 + ori r4,r4,0x0001 mticcr r4 /* instruction cache */ isync - addis r4,r0,0x0000 - addi r4,r4,0x0000 + lis r4,0x0000 + ori r4,r4,0x0000 mtdccr r4 /* data cache */ #if !(defined(CFG_EBC_PB0AP) && defined(CFG_EBC_PB0CR)) @@ -755,6 +758,35 @@ _start: #endif /* CONFIG_405EP */ #if defined(CFG_OCM_DATA_ADDR) && defined(CFG_OCM_DATA_SIZE) +#if defined(CONFIG_405EZ) + /******************************************************************** + * Setup OCM - On Chip Memory - PPC405EZ uses OCM Controller V2 + *******************************************************************/ + /* + * We can map the OCM on the PLB3, so map it at + * CFG_OCM_DATA_ADDR + 0x8000 + */ + lis r3,CFG_OCM_DATA_ADDR@h /* OCM location */ + ori r3,r3,CFG_OCM_DATA_ADDR@l + ori r3,r3,0x8270 /* 32K Offset, 16K for Bank 1, R/W/Enable */ + mtdcr ocmplb3cr1,r3 /* Set PLB Access */ + ori r3,r3,0x4000 /* Add 0x4000 for bank 2 */ + mtdcr ocmplb3cr2,r3 /* Set PLB Access */ + isync + + lis r3,CFG_OCM_DATA_ADDR@h /* OCM location */ + ori r3,r3,CFG_OCM_DATA_ADDR@l + ori r3,r3,0x0270 /* 16K for Bank 1, R/W/Enable */ + mtdcr ocmdscr1, r3 /* Set Data Side */ + mtdcr ocmiscr1, r3 /* Set Instruction Side */ + ori r3,r3,0x4000 /* Add 0x4000 for bank 2 */ + mtdcr ocmdscr2, r3 /* Set Data Side */ + mtdcr ocmiscr2, r3 /* Set Instruction Side */ + addis r3,0,0x0800 /* OCM Data Parity Disable - 1 Wait State */ + mtdcr ocmdsisdpc,r4 + + isync +#else /* CONFIG_405EZ */ /******************************************************************** * Setup OCM - On Chip Memory *******************************************************************/ @@ -762,18 +794,20 @@ _start: lis r0, 0x7FFF ori r0, r0, 0xFFFF mfdcr r3, ocmiscntl /* get instr-side IRAM config */ - mfdcr r4, ocmdscntl /* get data-side IRAM config */ - and r3, r3, r0 /* disable data-side IRAM */ - and r4, r4, r0 /* disable data-side IRAM */ - mtdcr ocmiscntl, r3 /* set instr-side IRAM config */ - mtdcr ocmdscntl, r4 /* set data-side IRAM config */ + mfdcr r4, ocmdscntl /* get data-side IRAM config */ + and r3, r3, r0 /* disable data-side IRAM */ + and r4, r4, r0 /* disable data-side IRAM */ + mtdcr ocmiscntl, r3 /* set instr-side IRAM config */ + mtdcr ocmdscntl, r4 /* set data-side IRAM config */ isync - addis r3, 0, CFG_OCM_DATA_ADDR@h /* OCM location */ + lis r3,CFG_OCM_DATA_ADDR@h /* OCM location */ + ori r3,r3,CFG_OCM_DATA_ADDR@l mtdcr ocmdsarc, r3 addis r4, 0, 0xC000 /* OCM data area enabled */ mtdcr ocmdscntl, r4 isync +#endif /* CONFIG_405EZ */ #endif /*----------------------------------------------------------------------- */ @@ -1858,11 +1892,11 @@ pll_wait: #endif /* CONFIG_405EP */ #if defined(CONFIG_440) -#define function_prolog(func_name) .text; \ +#define function_prolog(func_name) .text; \ .align 2; \ .globl func_name; \ func_name: -#define function_epilog(func_name) .type func_name,@function; \ +#define function_epilog(func_name) .type func_name,@function; \ .size func_name,.-func_name /*----------------------------------------------------------------------------+ @@ -1918,13 +1952,13 @@ pll_wait: +----------------------------------------------------------------------------*/ function_prolog(dcbz_area) rlwinm. r5,r4,0,27,31 - rlwinm r5,r4,27,5,31 - beq ..d_ra2 - addi r5,r5,0x0001 -..d_ra2:mtctr r5 -..d_ag2:dcbz r0,r3 - addi r3,r3,32 - bdnz ..d_ag2 + rlwinm r5,r4,27,5,31 + beq ..d_ra2 + addi r5,r5,0x0001 +..d_ra2:mtctr r5 +..d_ag2:dcbz r0,r3 + addi r3,r3,32 + bdnz ..d_ag2 sync blr function_epilog(dcbz_area) @@ -1933,26 +1967,26 @@ pll_wait: | dflush. Assume 32K at vector address is cachable. +----------------------------------------------------------------------------*/ function_prolog(dflush) - mfmsr r9 - rlwinm r8,r9,0,15,13 - rlwinm r8,r8,0,17,15 - mtmsr r8 - addi r3,r0,0x0000 - mtspr dvlim,r3 - mfspr r3,ivpr - addi r4,r0,1024 - mtctr r4 + mfmsr r9 + rlwinm r8,r9,0,15,13 + rlwinm r8,r8,0,17,15 + mtmsr r8 + addi r3,r0,0x0000 + mtspr dvlim,r3 + mfspr r3,ivpr + addi r4,r0,1024 + mtctr r4 ..dflush_loop: - lwz r6,0x0(r3) - addi r3,r3,32 - bdnz ..dflush_loop - addi r3,r3,-32 - mtctr r4 -..ag: dcbf r0,r3 - addi r3,r3,-32 - bdnz ..ag + lwz r6,0x0(r3) + addi r3,r3,32 + bdnz ..dflush_loop + addi r3,r3,-32 + mtctr r4 +..ag: dcbf r0,r3 + addi r3,r3,-32 + bdnz ..ag sync - mtmsr r9 + mtmsr r9 blr function_epilog(dflush) #endif /* CONFIG_440 */ diff --git a/cpu/ppc4xx/usb_ohci.c b/cpu/ppc4xx/usb_ohci.c index ab852c5..c71a6a9 100644 --- a/cpu/ppc4xx/usb_ohci.c +++ b/cpu/ppc4xx/usb_ohci.c @@ -76,7 +76,7 @@ #define m16_swap(x) swap_16(x) #define m32_swap(x) swap_32(x) -#if defined(CONFIG_440EP) || defined(CONFIG_440EPX) +#if defined(CONFIG_405EZ) || defined(CONFIG_440EP) || defined(CONFIG_440EPX) #define ohci_cpu_to_le16(x) (x) #define ohci_cpu_to_le32(x) (x) #else @@ -1601,7 +1601,7 @@ int usb_lowlevel_init(void) gohci.irq = -1; #if defined(CONFIG_440EP) gohci.regs = (struct ohci_regs *)(CFG_PERIPHERAL_BASE | 0x1000); -#elif defined(CONFIG_440EPX) +#elif defined(CONFIG_440EPX) || defined(CFG_USB_HOST) gohci.regs = (struct ohci_regs *)(CFG_USB_HOST); #endif @@ -1625,8 +1625,10 @@ int usb_lowlevel_init(void) ohci_inited = 1; urb_finished = 1; +#if defined(CONFIG_440EP) || defined(CONFIG_440EPX) /* init the device driver */ usb_dev_init(); +#endif return 0; } diff --git a/cpu/ppc4xx/vecnum.h b/cpu/ppc4xx/vecnum.h index 685d48b..bddf9e5 100644 --- a/cpu/ppc4xx/vecnum.h +++ b/cpu/ppc4xx/vecnum.h @@ -231,6 +231,47 @@ #else /* !defined(CONFIG_440) */ +#if defined(CONFIG_405EZ) +#define VECNUM_D0 0 /* DMA channel 0 */ +#define VECNUM_D1 1 /* DMA channel 1 */ +#define VECNUM_D2 2 /* DMA channel 2 */ +#define VECNUM_D3 3 /* DMA channel 3 */ +#define VECNUM_1588 4 /* IEEE 1588 network synchronization */ +#define VECNUM_U0 5 /* UART0 */ +#define VECNUM_U1 6 /* UART1 */ +#define VECNUM_CAN0 7 /* CAN 0 */ +#define VECNUM_CAN1 8 /* CAN 1 */ +#define VECNUM_SPI 9 /* SPI */ +#define VECNUM_IIC0 10 /* I2C */ +#define VECNUM_CHT0 11 /* Chameleon timer high pri interrupt */ +#define VECNUM_CHT1 12 /* Chameleon timer high pri interrupt */ +#define VECNUM_USBH1 13 /* USB Host 1 */ +#define VECNUM_USBH2 14 /* USB Host 2 */ +#define VECNUM_USBDEV 15 /* USB Device */ +#define VECNUM_ETH0 16 /* 10/100 Ethernet interrupt status */ +#define VECNUM_EWU0 17 /* Ethernet wakeup sequence detected */ + +#define VECNUM_MADMAL 18 /* Logical OR of following MadMAL int */ +#define VECNUM_MS 18 /* MAL_SERR_INT */ +#define VECNUM_TXDE 18 /* MAL_TXDE_INT */ +#define VECNUM_RXDE 18 /* MAL_RXDE_INT */ + +#define VECNUM_MTE 19 /* MAL TXEOB */ +#define VECNUM_MTE1 20 /* MAL TXEOB1 */ +#define VECNUM_MRE 21 /* MAL RXEOB */ +#define VECNUM_NAND 22 /* NAND Flash controller */ +#define VECNUM_ADC 23 /* ADC */ +#define VECNUM_DAC 24 /* DAC */ +#define VECNUM_OPB2PLB 25 /* OPB to PLB bridge interrupt */ +#define VECNUM_RESERVED0 26 /* Reserved */ +#define VECNUM_EIR0 27 /* External interrupt 0 */ +#define VECNUM_EIR1 28 /* External interrupt 1 */ +#define VECNUM_EIR2 29 /* External interrupt 2 */ +#define VECNUM_EIR3 30 /* External interrupt 3 */ +#define VECNUM_EIR4 31 /* External interrupt 4 */ + +#else /* !CONFIG_405EZ */ + #define VECNUM_U0 0 /* UART0 */ #define VECNUM_U1 1 /* UART1 */ #define VECNUM_D0 5 /* DMA channel 0 */ @@ -251,6 +292,7 @@ #define VECNUM_EIR4 29 /* External interrupt 4 */ #define VECNUM_EIR5 30 /* External interrupt 5 */ #define VECNUM_EIR6 31 /* External interrupt 6 */ +#endif /* defined(CONFIG_405EZ) */ #endif /* defined(CONFIG_440) */ |