/* * SiliconBackplane Chipcommon core hardware definitions. * * The chipcommon core provides chip identification, SB control, * jtag, 0/1/2 uarts, clock frequency control, a watchdog interrupt timer, * gpio interface, extbus, and support for serial and parallel flashes. * * $Id: sbchipc.h,v 1.1.1.14 2006/04/15 01:29:08 michael Exp $ * Copyright 2006, Broadcom Corporation * All Rights Reserved. * * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. * */ #ifndef _SBCHIPC_H #define _SBCHIPC_H #ifndef _LANGUAGE_ASSEMBLY /* cpp contortions to concatenate w/arg prescan */ #ifndef PAD #define _PADLINE(line) pad ## line #define _XSTR(line) _PADLINE(line) #define PAD _XSTR(__LINE__) #endif /* PAD */ typedef volatile struct { uint32 chipid; /* 0x0 */ uint32 capabilities; uint32 corecontrol; /* corerev >= 1 */ uint32 bist; /* OTP */ uint32 otpstatus; /* 0x10, corerev >= 10 */ uint32 otpcontrol; uint32 otpprog; uint32 PAD; /* Interrupt control */ uint32 intstatus; /* 0x20 */ uint32 intmask; uint32 chipcontrol; /* 0x28, rev >= 11 */ uint32 chipstatus; /* 0x2c, rev >= 11 */ /* Jtag Master */ uint32 jtagcmd; /* 0x30, rev >= 10 */ uint32 jtagir; uint32 jtagdr; uint32 jtagctrl; /* serial flash interface registers */ uint32 flashcontrol; /* 0x40 */ uint32 flashaddress; uint32 flashdata; uint32 PAD[1]; /* Silicon backplane configuration broadcast control */ uint32 broadcastaddress; /* 0x50 */ uint32 broadcastdata; uint32 PAD[2]; /* gpio - cleared only by power-on-reset */ uint32 gpioin; /* 0x60 */ uint32 gpioout; uint32 gpioouten; uint32 gpiocontrol; uint32 gpiointpolarity; uint32 gpiointmask; uint32 PAD[2]; /* Watchdog timer */ uint32 watchdog; /* 0x80 */ uint32 PAD[1]; /* GPIO based LED powersave registers corerev >= 16 */ uint32 gpiotimerval; /* 0x88 */ uint32 gpiotimeroutmask; /* clock control */ uint32 clockcontrol_n; /* 0x90 */ uint32 clockcontrol_sb; /* aka m0 */ uint32 clockcontrol_pci; /* aka m1 */ uint32 clockcontrol_m2; /* mii/uart/mipsref */ uint32 clockcontrol_m3; /* cpu */ uint32 clkdiv; /* corerev >= 3 */ uint32 PAD[2]; /* pll delay registers (corerev >= 4) */ uint32 pll_on_delay; /* 0xb0 */ uint32 fref_sel_delay; uint32 slow_clk_ctl; /* 5 < corerev < 10 */ uint32 PAD[1]; /* Instaclock registers (corerev >= 10) */ uint32 system_clk_ctl; /* 0xc0 */ uint32 clkstatestretch; uint32 PAD[14]; /* ExtBus control registers (corerev >= 3) */ uint32 pcmcia_config; /* 0x100 */ uint32 pcmcia_memwait; uint32 pcmcia_attrwait; uint32 pcmcia_iowait; uint32 ide_config; uint32 ide_memwait; uint32 ide_attrwait; uint32 ide_iowait; uint32 prog_config; uint32 prog_waitcount; uint32 flash_config; uint32 flash_waitcount; uint32 PAD[44]; /* Clock control and hardware workarounds */ uint32 clk_ctl_st; uint32 hw_war; uint32 PAD[70]; /* uarts */ uint8 uart0data; /* 0x300 */ uint8 uart0imr; uint8 uart0fcr; uint8 uart0lcr; uint8 uart0mcr; uint8 uart0lsr; uint8 uart0msr; uint8 uart0scratch; uint8 PAD[248]; /* corerev >= 1 */ uint8 uart1data; /* 0x400 */ uint8 uart1imr; uint8 uart1fcr; uint8 uart1lcr; uint8 uart1mcr; uint8 uart1lsr; uint8 uart1msr; uint8 uart1scratch; } chipcregs_t; #endif /* _LANGUAGE_ASSEMBLY */ #define CC_CHIPID 0 #define CC_CAPABILITIES 4 #define CC_JTAGCMD 0x30 #define CC_JTAGIR 0x34 #define CC_JTAGDR 0x38 #define CC_JTAGCTRL 0x3c #define CC_WATCHDOG 0x80 #define CC_CLKC_N 0x90 #define CC_CLKC_M0 0x94 #define CC_CLKC_M1 0x98 #define CC_CLKC_M2 0x9c #define CC_CLKC_M3 0xa0 #define CC_CLKDIV 0xa4 #define CC_SYS_CLK_CTL 0xc0 #define CC_OTP 0x800 /* chipid */ #define CID_ID_MASK 0x0000ffff /* Chip Id mask */ #define CID_REV_MASK 0x000f0000 /* Chip Revision mask */ #define CID_REV_SHIFT 16 /* Chip Revision shift */ #define CID_PKG_MASK 0x00f00000 /* Package Option mask */ #define CID_PKG_SHIFT 20 /* Package Option shift */ #define CID_CC_MASK 0x0f000000 /* CoreCount (corerev >= 4) */ #define CID_CC_SHIFT 24 /* capabilities */ #define CAP_UARTS_MASK 0x00000003 /* Number of uarts */ #define CAP_MIPSEB 0x00000004 /* MIPS is in big-endian mode */ #define CAP_UCLKSEL 0x00000018 /* UARTs clock select */ #define CAP_UINTCLK 0x00000008 /* UARTs are driven by internal divided clock */ #define CAP_UARTGPIO 0x00000020 /* UARTs own Gpio's 15:12 */ #define CAP_EXTBUS_MASK 0x000000c0 /* External bus mask */ #define CAP_EXTBUS_NONE 0x00000000 /* No ExtBus present */ #define CAP_EXTBUS_FULL 0x00000040 /* ExtBus: PCMCIA, IDE & Prog */ #define CAP_EXTBUS_PROG 0x00000080 /* ExtBus: ProgIf only */ #define CAP_FLASH_MASK 0x00000700 /* Type of flash */ #define CAP_PLL_MASK 0x00038000 /* Type of PLL */ #define CAP_PWR_CTL 0x00040000 /* Power control */ #define CAP_OTPSIZE 0x00380000 /* OTP Size (0 = none) */ #define CAP_OTPSIZE_SHIFT 19 /* OTP Size shift */ #define CAP_OTPSIZE_BASE 5 /* OTP Size base */ #define CAP_JTAGP 0x00400000 /* JTAG Master Present */ #define CAP_ROM 0x00800000 /* Internal boot rom active */ #define CAP_BKPLN64 0x08000000 /* 64-bit backplane */ /* PLL type */ #define PLL_NONE 0x00000000 #define PLL_TYPE1 0x00010000 /* 48Mhz base, 3 dividers */ #define PLL_TYPE2 0x00020000 /* 48Mhz, 4 dividers */ #define PLL_TYPE3 0x00030000 /* 25Mhz, 2 dividers */ #define PLL_TYPE4 0x00008000 /* 48Mhz, 4 dividers */ #define PLL_TYPE5 0x00018000 /* 25Mhz, 4 dividers */ #define PLL_TYPE6 0x00028000 /* 100/200 or 120/240 only */ #define PLL_TYPE7 0x00038000 /* 25Mhz, 4 dividers */ /* corecontrol */ #define CC_UARTCLKO 0x00000001 /* Drive UART with internal clock */ #define CC_SE 0x00000002 /* sync clk out enable (corerev >= 3) */ /* chipcontrol */ #define CHIPCTRL_4321A0_DEFAULT 0x3a4 #define CHIPCTRL_4321A1_DEFAULT 0x0a4 /* Fields in the otpstatus register */ #define OTPS_PROGFAIL 0x80000000 #define OTPS_PROTECT 0x00000007 #define OTPS_HW_PROTECT 0x00000001 #define OTPS_SW_PROTECT 0x00000002 #define OTPS_CID_PROTECT 0x00000004 /* Fields in the otpcontrol register */ #define OTPC_RECWAIT 0xff000000 #define OTPC_PROGWAIT 0x00ffff00 #define OTPC_PRW_SHIFT 8 #define OTPC_MAXFAIL 0x00000038 #define OTPC_VSEL 0x00000006 #define OTPC_SELVL 0x00000001 /* Fields in otpprog */ #define OTPP_COL_MASK 0x000000ff #define OTPP_ROW_MASK 0x0000ff00 #define OTPP_ROW_SHIFT 8 #define OTPP_READERR 0x10000000 #define OTPP_VALUE 0x20000000 #define OTPP_VALUE_SHIFT 29 #define OTPP_READ 0x40000000 #define OTPP_START 0x80000000 #define OTPP_BUSY 0x80000000 /* jtagcmd */ #define JCMD_START 0x80000000 #define JCMD_BUSY 0x80000000 #define JCMD_PAUSE 0x40000000 #define JCMD0_ACC_MASK 0x0000f000 #define JCMD0_ACC_IRDR 0x00000000 #define JCMD0_ACC_DR 0x00001000 #define JCMD0_ACC_IR 0x00002000 #define JCMD0_ACC_RESET 0x00003000 #define JCMD0_ACC_IRPDR 0x00004000 #define JCMD0_ACC_PDR 0x00005000 #define JCMD0_IRW_MASK 0x00000f00 #define JCMD_ACC_MASK 0x000f0000 /* Changes for corerev 11 */ #define JCMD_ACC_IRDR 0x00000000 #define JCMD_ACC_DR 0x00010000 #define JCMD_ACC_IR 0x00020000 #define JCMD_ACC_RESET 0x00030000 #define JCMD_ACC_IRPDR 0x00040000 #define JCMD_ACC_PDR 0x00050000 #define JCMD_IRW_MASK 0x00001f00 #define JCMD_IRW_SHIFT 8 #define JCMD_DRW_MASK 0x0000003f /* jtagctrl */ #define JCTRL_FORCE_CLK 4 /* Force clock */ #define JCTRL_EXT_EN 2 /* Enable external targets */ #define JCTRL_EN 1 /* Enable Jtag master */ /* Fields in clkdiv */ #define CLKD_SFLASH 0x0f000000 #define CLKD_SFLASH_SHIFT 24 #define CLKD_OTP 0x000f0000 #define CLKD_OTP_SHIFT 16 #define CLKD_JTAG 0x00000f00 #define CLKD_JTAG_SHIFT 8 #define CLKD_UART 0x000000ff /* intstatus/intmask */ #define CI_GPIO 0x00000001 /* gpio intr */ #define CI_EI 0x00000002 /* ro: ext intr pin (corerev >= 3) */ #define CI_WDRESET 0x80000000 /* watchdog reset occurred */ /* slow_clk_ctl */ #define SCC_SS_MASK 0x00000007 /* slow clock source mask */ #define SCC_SS_LPO 0x00000000 /* source of slow clock is LPO */ #define SCC_SS_XTAL 0x00000001 /* source of slow clock is crystal */ #define SCC_SS_PCI 0x00000002 /* source of slow clock is PCI */ #define SCC_LF 0x00000200 /* LPOFreqSel, 1: 160Khz, 0: 32KHz */ #define SCC_LP 0x00000400 /* LPOPowerDown, 1: LPO is disabled, * 0: LPO is enabled */ #define SCC_FS 0x00000800 /* ForceSlowClk, 1: sb/cores running on slow clock, * 0: power logic control */ #define SCC_IP 0x00001000 /* IgnorePllOffReq, 1/0: power logic ignores/honors * PLL clock disable requests from core */ #define SCC_XC 0x00002000 /* XtalControlEn, 1/0: power logic does/doesn't * disable crystal when appropriate */ #define SCC_XP 0x00004000 /* XtalPU (RO), 1/0: crystal running/disabled */ #define SCC_CD_MASK 0xffff0000 /* ClockDivider (SlowClk = 1/(4+divisor)) */ #define SCC_CD_SHIFT 16 /* system_clk_ctl */ #define SYCC_IE 0x00000001 /* ILPen: Enable Idle Low Power */ #define SYCC_AE 0x00000002 /* ALPen: Enable Active Low Power */ #define SYCC_FP 0x00000004 /* ForcePLLOn */ #define SYCC_AR 0x00000008 /* Force ALP (or HT if ALPen is not set */ #define SYCC_HR 0x00000010 /* Force HT */ #define SYCC_CD_MASK 0xffff0000 /* ClkDiv (ILP = 1/(4 * (divisor + 1)) */ #define SYCC_CD_SHIFT 16 /* gpiotimerval */ #define GPIO_ONTIME_SHIFT 16 /* clockcontrol_n */ #define CN_N1_MASK 0x3f /* n1 control */ #define CN_N2_MASK 0x3f00 /* n2 control */ #define CN_N2_SHIFT 8 #define CN_PLLC_MASK 0xf0000 /* pll control */ #define CN_PLLC_SHIFT 16 /* clockcontrol_sb/pci/uart */ #define CC_M1_MASK 0x3f /* m1 control */ #define CC_M2_MASK 0x3f00 /* m2 control */ #define CC_M2_SHIFT 8 #define CC_M3_MASK 0x3f0000 /* m3 control */ #define CC_M3_SHIFT 16 #define CC_MC_MASK 0x1f000000 /* mux control */ #define CC_MC_SHIFT 24 /* N3M Clock control magic field values */ #define CC_F6_2 0x02 /* A factor of 2 in */ #define CC_F6_3 0x03 /* 6-bit fields like */ #define CC_F6_4 0x05 /* N1, M1 or M3 */ #define CC_F6_5 0x09 #define CC_F6_6 0x11 #define CC_F6_7 0x21 #define CC_F5_BIAS 5 /* 5-bit fields get this added */ #define CC_MC_BYPASS 0x08 #define CC_MC_M1 0x04 #define CC_MC_M1M2 0x02 #define CC_MC_M1M2M3 0x01 #define CC_MC_M1M3 0x11 /* Type 2 Clock control magic field values */ #define CC_T2_BIAS 2 /* n1, n2, m1 & m3 bias */ #define CC_T2M2_BIAS 3 /* m2 bias */ #define CC_T2MC_M1BYP 1 #define CC_T2MC_M2BYP 2 #define CC_T2MC_M3BYP 4 /* Type 6 Clock control magic field values */ #define CC_T6_MMASK 1 /* bits of interest in m */ #define CC_T6_M0 120000000 /* sb clock for m = 0 */ #define CC_T6_M1 100000000 /* sb clock for m = 1 */ #define SB2MIPS_T6(sb) (2 * (sb)) /* Common clock base */ #define CC_CLOCK_BASE1 24000000 /* Half the clock freq */ #define CC_CLOCK_BASE2 12500000 /* Alternate crystal on some PLL's */ /* Clock control values for 200Mhz in 5350 */ #define CLKC_5350_N 0x0311 #define CLKC_5350_M 0x04020009 /* Flash types in the chipcommon capabilities register */ #define FLASH_NONE 0x000 /* No flash */ #define SFLASH_ST 0x100 /* ST serial flash */ #define SFLASH_AT 0x200 /* Atmel serial flash */ #define PFLASH 0x700 /* Parallel flash */ /* Bits in the ExtBus config registers */ #define CC_CFG_EN 0x0001 /* Enable */ #define CC_CFG_EM_MASK 0x000e /* Extif Mode */ #define CC_CFG_EM_ASYNC 0x0000 /* Async/Parallel flash */ #define CC_CFG_EM_SYNC 0x0002 /* Synchronous */ #define CC_CFG_EM_PCMCIA 0x0004 /* PCMCIA */ #define CC_CFG_EM_IDE 0x0006 /* IDE */ #define CC_CFG_DS 0x0010 /* Data size, 0=8bit, 1=16bit */ #define CC_CFG_CD_MASK 0x0060 /* Sync: Clock divisor */ #define CC_CFG_CE 0x0080 /* Sync: Clock enable */ #define CC_CFG_SB 0x0100 /* Sync: Size/Bytestrobe */ /* ExtBus address space */ #define CC_EB_BASE 0x1a000000 /* Chipc ExtBus base address */ #define CC_EB_PCMCIA_MEM 0x1a000000 /* PCMCIA 0 memory base address */ #define CC_EB_PCMCIA_IO 0x1a200000 /* PCMCIA 0 I/O base address */ #define CC_EB_PCMCIA_CFG 0x1a400000 /* PCMCIA 0 config base address */ #define CC_EB_IDE 0x1a800000 /* IDE memory base */ #define CC_EB_PCMCIA1_MEM 0x1a800000 /* PCMCIA 1 memory base address */ #define CC_EB_PCMCIA1_IO 0x1aa00000 /* PCMCIA 1 I/O base address */ #define CC_EB_PCMCIA1_CFG 0x1ac00000 /* PCMCIA 1 config base address */ #define CC_EB_PROGIF 0x1b000000 /* ProgIF Async/Sync base address */ /* Start/busy bit in flashcontrol */ #define SFLASH_OPCODE 0x000000ff #define SFLASH_ACTION 0x00000700 #define SFLASH_START 0x80000000 #define SFLASH_BUSY SFLASH_START /* flashcontrol action codes */ #define SFLASH_ACT_OPONLY 0x0000 /* Issue opcode only */ #define SFLASH_ACT_OP1D 0x0100 /* opcode + 1 data byte */ #define SFLASH_ACT_OP3A 0x0200 /* opcode + 3 address bytes */ #define SFLASH_ACT_OP3A1D 0x0300 /* opcode + 3 addres & 1 data bytes */ #define SFLASH_ACT_OP3A4D 0x0400 /* opcode + 3 addres & 4 data bytes */ #define SFLASH_ACT_OP3A4X4D 0x0500 /* opcode + 3 addres, 4 don't care & 4 data bytes */ #define SFLASH_ACT_OP3A1X4D 0x0700 /* opcode + 3 addres, 1 don't care & 4 data bytes */ /* flashcontrol action+opcodes for ST flashes */ #define SFLASH_ST_WREN 0x0006 /* Write Enable */ #define SFLASH_ST_WRDIS 0x0004 /* Write Disable */ #define SFLASH_ST_RDSR 0x0105 /* Read Status Register */ #define SFLASH_ST_WRSR 0x0101 /* Write Status Register */ #define SFLASH_ST_READ 0x0303 /* Read Data Bytes */ #define SFLASH_ST_PP 0x0302 /* Page Program */ #define SFLASH_ST_SE 0x02d8 /* Sector Erase */ #define SFLASH_ST_BE 0x00c7 /* Bulk Erase */ #define SFLASH_ST_DP 0x00b9 /* Deep Power-down */ #define SFLASH_ST_RES 0x03ab /* Read Electronic Signature */ /* Status register bits for ST flashes */ #define SFLASH_ST_WIP 0x01 /* Write In Progress */ #define SFLASH_ST_WEL 0x02 /* Write Enable Latch */ #define SFLASH_ST_BP_MASK 0x1c /* Block Protect */ #define SFLASH_ST_BP_SHIFT 2 #define SFLASH_ST_SRWD 0x80 /* Status Register Write Disable */ /* flashcontrol action+opcodes for Atmel flashes */ #define SFLASH_AT_READ 0x07e8 #define SFLASH_AT_PAGE_READ 0x07d2 #define SFLASH_AT_BUF1_READ #define SFLASH_AT_BUF2_READ #define SFLASH_AT_STATUS 0x01d7 #define SFLASH_AT_BUF1_WRITE 0x0384 #define SFLASH_AT_BUF2_WRITE 0x0387 #define SFLASH_AT_BUF1_ERASE_PROGRAM 0x0283 #define SFLASH_AT_BUF2_ERASE_PROGRAM 0x0286 #define SFLASH_AT_BUF1_PROGRAM 0x0288 #define SFLASH_AT_BUF2_PROGRAM 0x0289 #define SFLASH_AT_PAGE_ERASE 0x0281 #define SFLASH_AT_BLOCK_ERASE 0x0250 #define SFLASH_AT_BUF1_WRITE_ERASE_PROGRAM 0x0382 #define SFLASH_AT_BUF2_WRITE_ERASE_PROGRAM 0x0385 #define SFLASH_AT_BUF1_LOAD 0x0253 #define SFLASH_AT_BUF2_LOAD 0x0255 #define SFLASH_AT_BUF1_COMPARE 0x0260 #define SFLASH_AT_BUF2_COMPARE 0x0261 #define SFLASH_AT_BUF1_REPROGRAM 0x0258 #define SFLASH_AT_BUF2_REPROGRAM 0x0259 /* Status register bits for Atmel flashes */ #define SFLASH_AT_READY 0x80 #define SFLASH_AT_MISMATCH 0x40 #define SFLASH_AT_ID_MASK 0x38 #define SFLASH_AT_ID_SHIFT 3 /* OTP regions */ #define OTP_HW_REGION OTPS_HW_PROTECT #define OTP_SW_REGION OTPS_SW_PROTECT #define OTP_CID_REGION OTPS_CID_PROTECT /* OTP regions (Byte offsets from otp size) */ #define OTP_SWLIM_OFF (-8) #define OTP_CIDBASE_OFF 0 #define OTP_CIDLIM_OFF 8 /* Predefined OTP words (Word offset from otp size) */ #define OTP_BOUNDARY_OFF (-4) #define OTP_HWSIGN_OFF (-3) #define OTP_SWSIGN_OFF (-2) #define OTP_CIDSIGN_OFF (-1) #define OTP_CID_OFF 0 #define OTP_PKG_OFF 1 #define OTP_FID_OFF 2 #define OTP_RSV_OFF 3 #define OTP_LIM_OFF 4 #define OTP_SIGNATURE 0x578a #define OTP_MAGIC 0x4e56 /* * These are the UART port assignments, expressed as offsets from the base * register. These assignments should hold for any serial port based on * a 8250, 16450, or 16550(A). */ #define UART_RX 0 /* In: Receive buffer (DLAB=0) */ #define UART_TX 0 /* Out: Transmit buffer (DLAB=0) */ #define UART_DLL 0 /* Out: Divisor Latch Low (DLAB=1) */ #define UART_IER 1 /* In/Out: Interrupt Enable Register (DLAB=0) */ #define UART_DLM 1 /* Out: Divisor Latch High (DLAB=1) */ #define UART_IIR 2 /* In: Interrupt Identity Register */ #define UART_FCR 2 /* Out: FIFO Control Register */ #define UART_LCR 3 /* Out: Line Control Register */ #define UART_MCR 4 /* Out: Modem Control Register */ #define UART_LSR 5 /* In: Line Status Register */ #define UART_MSR 6 /* In: Modem Status Register */ #define UART_SCR 7 /* I/O: Scratch Register */ #define UART_LCR_DLAB 0x80 /* Divisor latch access bit */ #define UART_LCR_WLEN8 0x03 /* Wordlength: 8 bits */ #define UART_MCR_OUT2 0x08 /* MCR GPIO out 2 */ #define UART_MCR_LOOP 0x10 /* Enable loopback test mode */ #define UART_LSR_THRE 0x20 /* Transmit-hold-register empty */ #define UART_LSR_RXRDY 0x01 /* Receiver ready */ #define UART_FCR_FIFO_ENABLE 1 /* FIFO control register bit controlling FIFO enable/disable */ /* Interrupt Enable Register (IER) bits */ #define UART_IER_EDSSI 8 /* enable modem status interrupt */ #define UART_IER_ELSI 4 /* enable receiver line status interrupt */ #define UART_IER_ETBEI 2 /* enable transmitter holding register empty interrupt */ #define UART_IER_ERBFI 1 /* enable data available interrupt */ #endif /* _SBCHIPC_H */