mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-25 18:28:27 +02:00
368 lines
12 KiB
C
368 lines
12 KiB
C
|
/*
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
* $Id$
|
||
|
|
* Copyright 2004, 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 PAD[2];
|
||
|
|
|
||
|
|
/* 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[3];
|
||
|
|
|
||
|
|
/* clock control */
|
||
|
|
uint32 clockcontrol_n; /* 0x90 */
|
||
|
|
uint32 clockcontrol_sb; /* aka m0 */
|
||
|
|
uint32 clockcontrol_pci; /* aka m1 */
|
||
|
|
uint32 clockcontrol_m2; /* mii/uart/mipsref */
|
||
|
|
uint32 clockcontrol_mips; /* aka m3 */
|
||
|
|
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[116];
|
||
|
|
|
||
|
|
/* 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_CLKDIV 0xa4
|
||
|
|
|
||
|
|
/* 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 0x00000040 /* External bus present */
|
||
|
|
#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_JTAGP 0x00400000 /* JTAG Master Present */
|
||
|
|
#define CAP_ROM 0x00800000 /* Internal boot rom active */
|
||
|
|
|
||
|
|
/* 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 */
|
||
|
|
|
||
|
|
/* corecontrol */
|
||
|
|
#define CC_UARTCLKO 0x00000001 /* Drive UART with internal clock */
|
||
|
|
#define CC_SE 0x00000002 /* sync clk out enable (corerev >= 3) */
|
||
|
|
|
||
|
|
/* 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_WDREST 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 mask, SlowClk = 1/(4+divisor) * crystal/PCI clock */
|
||
|
|
#define SCC_CD_SHF 16 /* CLockDivider shift */
|
||
|
|
|
||
|
|
/* sys_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 /* ClockDivider mask, SlowClk = 1/(4+divisor) * crystal/PCI clock */
|
||
|
|
#define SYCC_CD_SHF 16 /* CLockDivider shift */
|
||
|
|
|
||
|
|
/* clockcontrol_n */
|
||
|
|
#define CN_N1_MASK 0x3f /* n1 control */
|
||
|
|
#define CN_N2_MASK 0x3f00 /* n2 control */
|
||
|
|
#define CN_N2_SHIFT 8
|
||
|
|
|
||
|
|
/* 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 values for 125Mhz */
|
||
|
|
#define CC_125_N 0x0802 /* Default values for bcm4310 */
|
||
|
|
#define CC_125_M 0x04020009
|
||
|
|
#define CC_125_M25 0x11090009
|
||
|
|
#define CC_125_M33 0x11090005
|
||
|
|
|
||
|
|
/* 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
|
||
|
|
|
||
|
|
/* Common clock base */
|
||
|
|
#define CC_CLOCK_BASE 24000000 /* Half the clock freq */
|
||
|
|
|
||
|
|
|
||
|
|
/* 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 */
|
||
|
|
|
||
|
|
/* Prefered flash window in chipcommon */
|
||
|
|
#define CC_FLASH_BASE 0xbc000000 /* Chips with chipcommon cores */
|
||
|
|
#define CC_FLASH_MAX 0x02000000 /* Maximum flash size with chipc */
|
||
|
|
|
||
|
|
|
||
|
|
/* Bits in the config registers */
|
||
|
|
#define CC_CFG_EN 0x0001 /* Enable */
|
||
|
|
#define CC_CFG_EM_MASK 0x000e /* Extif Mode */
|
||
|
|
#define CC_CFG_EM_ASYNC 0x0002 /* Async/Parallel flash */
|
||
|
|
#define CC_CFG_EM_SYNC 0x0004 /* Synchronous */
|
||
|
|
#define CC_CFG_EM_PCMCIA 0x0008 /* PCMCIA */
|
||
|
|
#define CC_CFG_EM_IDE 0x000a /* 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 */
|
||
|
|
|
||
|
|
/* Start/busy bit in flashcontrol */
|
||
|
|
#define SFLASH_START 0x80000000
|
||
|
|
#define SFLASH_BUSY SFLASH_START
|
||
|
|
|
||
|
|
/* flashcontrol 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 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
|
||
|
|
|
||
|
|
#endif /* _SBCHIPC_H */
|