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Diffstat (limited to 'u-boot/include/mpc8220.h')
| -rw-r--r-- | u-boot/include/mpc8220.h | 717 |
1 files changed, 717 insertions, 0 deletions
diff --git a/u-boot/include/mpc8220.h b/u-boot/include/mpc8220.h new file mode 100644 index 0000000..c4900a0 --- /dev/null +++ b/u-boot/include/mpc8220.h @@ -0,0 +1,717 @@ +/* + * include/mpc8220.h + * + * Prototypes, etc. for the Motorola MPC8220 + * embedded cpu chips + * + * 2004 (c) Freescale, Inc. + * Author: TsiChung Liew <Tsi-Chung.Liew@freescale.com> + * + * 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 + */ +#ifndef __MPC8220_H__ +#define __MPC8220_H__ + +/* Processor name */ +#if defined(CONFIG_MPC8220) +#define CPU_ID_STR "MPC8220" +#endif + +/* Exception offsets (PowerPC standard) */ +#define EXC_OFF_SYS_RESET 0x0100 +#define _START_OFFSET EXC_OFF_SYS_RESET + +/* Internal memory map */ +/* MPC8220 Internal Register MMAP */ +#define MMAP_MBAR (CONFIG_SYS_MBAR + 0x00000000) /* chip selects */ +#define MMAP_MEMCTL (CONFIG_SYS_MBAR + 0x00000100) /* sdram controller */ +#define MMAP_XLBARB (CONFIG_SYS_MBAR + 0x00000200) /* xlb arbitration control */ +#define MMAP_CDM (CONFIG_SYS_MBAR + 0x00000300) /* clock distribution module */ +#define MMAP_VDOPLL (CONFIG_SYS_MBAR + 0x00000400) /* video PLL */ +#define MMAP_FB (CONFIG_SYS_MBAR + 0x00000500) /* flex bus controller */ +#define MMAP_PCFG (CONFIG_SYS_MBAR + 0x00000600) /* port config */ +#define MMAP_ICTL (CONFIG_SYS_MBAR + 0x00000700) /* interrupt controller */ +#define MMAP_GPTMR (CONFIG_SYS_MBAR + 0x00000800) /* general purpose timers */ +#define MMAP_SLTMR (CONFIG_SYS_MBAR + 0x00000900) /* slice timers */ +#define MMAP_GPIO (CONFIG_SYS_MBAR + 0x00000A00) /* gpio module */ +#define MMAP_XCPCI (CONFIG_SYS_MBAR + 0x00000B00) /* pci controller */ +#define MMAP_PCIARB (CONFIG_SYS_MBAR + 0x00000C00) /* pci arbiter */ +#define MMAP_EXTDMA1 (CONFIG_SYS_MBAR + 0x00000D00) /* external dma1 */ +#define MMAP_EXTDMA2 (CONFIG_SYS_MBAR + 0x00000E00) /* external dma1 */ +#define MMAP_USBH (CONFIG_SYS_MBAR + 0x00001000) /* usb host */ +#define MMAP_CMTMR (CONFIG_SYS_MBAR + 0x00007f00) /* comm timers */ +#define MMAP_DMA (CONFIG_SYS_MBAR + 0x00008000) /* dma */ +#define MMAP_USBD (CONFIG_SYS_MBAR + 0x00008200) /* usb device */ +#define MMAP_COMMPCI (CONFIG_SYS_MBAR + 0x00008400) /* pci comm Bus regs */ +#define MMAP_1284 (CONFIG_SYS_MBAR + 0x00008500) /* 1284 */ +#define MMAP_PEV (CONFIG_SYS_MBAR + 0x00008600) /* print engine video */ +#define MMAP_PSC1 (CONFIG_SYS_MBAR + 0x00008800) /* psc1 block */ +#define MMAP_I2C (CONFIG_SYS_MBAR + 0x00008f00) /* i2c controller */ +#define MMAP_FEC1 (CONFIG_SYS_MBAR + 0x00009000) /* fast ethernet 1 */ +#define MMAP_FEC2 (CONFIG_SYS_MBAR + 0x00009800) /* fast ethernet 2 */ +#define MMAP_JBIGRAM (CONFIG_SYS_MBAR + 0x0000a000) /* jbig RAM */ +#define MMAP_JBIG (CONFIG_SYS_MBAR + 0x0000c000) /* jbig */ +#define MMAP_PDLA (CONFIG_SYS_MBAR + 0x00010000) /* */ +#define MMAP_SRAMCFG (CONFIG_SYS_MBAR + 0x0001ff00) /* SRAM config */ +#define MMAP_SRAM (CONFIG_SYS_MBAR + 0x00020000) /* SRAM */ + +#define SRAM_SIZE 0x8000 /* 32 KB */ + +/* ------------------------------------------------------------------------ */ +/* + * Macro for Programmable Serial Channel + */ +/* equates for mode reg. 1 for channel A or B */ +#define PSC_MR1_RX_RTS 0x80000000 /* receiver RTS enabled */ +#define PSC_MR1_RX_INT 0x40000000 /* receiver intrupt enabled */ +#define PSC_MR1_ERR_MODE 0x20000000 /* block error mode */ +#define PSC_MR1_PAR_MODE_MULTI 0x18000000 /* multi_drop mode */ +#define PSC_MR1_NO_PARITY 0x10000000 /* no parity mode */ +#define PSC_MR1_ALWAYS_0 0x08000000 /* force parity mode */ +#define PSC_MR1_ALWAYS_1 0x0c000000 /* force parity mode */ +#define PSC_MR1_EVEN_PARITY 0x00000000 /* parity mode */ +#define PSC_MR1_ODD_PARITY 0x04000000 /* 0 = even, 1 = odd */ +#define PSC_MR1_BITS_CHAR_8 0x03000000 /* 8 bits */ +#define PSC_MR1_BITS_CHAR_7 0x02000000 /* 7 bits */ +#define PSC_MR1_BITS_CHAR_6 0x01000000 /* 6 bits */ +#define PSC_MR1_BITS_CHAR_5 0x00000000 /* 5 bits */ + +/* equates for mode reg. 2 for channel A or B */ +#define PSC_MR2_NORMAL_MODE 0x00000000 /* normal channel mode */ +#define PSC_MR2_AUTO_MODE 0x40000000 /* automatic channel mode */ +#define PSC_MR2_LOOPBACK_LOCL 0x80000000 /* local loopback channel mode */ +#define PSC_MR2_LOOPBACK_REMT 0xc0000000 /* remote loopback channel mode */ +#define PSC_MR2_TX_RTS 0x20000000 /* transmitter RTS enabled */ +#define PSC_MR2_TX_CTS 0x10000000 /* transmitter CTS enabled */ +#define PSC_MR2_STOP_BITS_2 0x0f000000 /* 2 stop bits */ +#define PSC_MR2_STOP_BITS_1 0x07000000 /* 1 stop bit */ + +/* equates for status reg. A or B */ +#define PSC_SR_BREAK 0x80000000 /* received break */ +#define PSC_SR_NEOF PSC_SR_BREAK /* Next byte is EOF - MIR/FIR */ +#define PSC_SR_FRAMING 0x40000000 /* framing error */ +#define PSC_SR_PHYERR PSC_SR_FRAMING/* Physical Layer error - MIR/FIR */ +#define PSC_SR_PARITY 0x20000000 /* parity error */ +#define PSC_SR_CRCERR PSC_SR_PARITY /* CRC error */ +#define PSC_SR_OVERRUN 0x10000000 /* overrun error */ +#define PSC_SR_TXEMT 0x08000000 /* transmitter empty */ +#define PSC_SR_TXRDY 0x04000000 /* transmitter ready*/ +#define PSC_SR_FFULL 0x02000000 /* fifo full */ +#define PSC_SR_RXRDY 0x01000000 /* receiver ready */ +#define PSC_SR_DEOF 0x00800000 /* Detect EOF or RX-FIFO contain EOF */ +#define PSC_SR_ERR 0x00400000 /* Error Status including FIFO */ + +/* equates for clock select reg. */ +#define PSC_CSRX16EXT_CLK 0x1110 /* x 16 ext_clock */ +#define PSC_CSRX1EXT_CLK 0x1111 /* x 1 ext_clock */ + +/* equates for command reg. A or B */ +#define PSC_CR_NO_COMMAND 0x00000000 /* no command */ +#define PSC_CR_RST_MR_PTR_CMD 0x10000000 /* reset mr pointer command */ +#define PSC_CR_RST_RX_CMD 0x20000000 /* reset receiver command */ +#define PSC_CR_RST_TX_CMD 0x30000000 /* reset transmitter command */ +#define PSC_CR_RST_ERR_STS_CMD 0x40000000 /* reset error status cmnd */ +#define PSC_CR_RST_BRK_INT_CMD 0x50000000 /* reset break int. command */ +#define PSC_CR_STR_BREAK_CMD 0x60000000 /* start break command */ +#define PSC_CR_STP_BREAK_CMD 0x70000000 /* stop break command */ +#define PSC_CR_RX_ENABLE 0x01000000 /* receiver enabled */ +#define PSC_CR_RX_DISABLE 0x02000000 /* receiver disabled */ +#define PSC_CR_TX_ENABLE 0x04000000 /* transmitter enabled */ +#define PSC_CR_TX_DISABLE 0x08000000 /* transmitter disabled */ + +/* equates for input port change reg. */ +#define PSC_IPCR_SYNC 0x80000000 /* Sync Detect */ +#define PSC_IPCR_D_CTS 0x10000000 /* Delta CTS */ +#define PSC_IPCR_CTS 0x01000000 /* CTS - current state of PSC_CTS */ + +/* equates for auxiliary control reg. (timer and counter clock selects) */ +#define PSC_ACR_BRG 0x80000000 /* for 68681 compatibility + baud rate gen select + 0 = set 1; 1 = set 2 + equates are set 2 ONLY */ +#define PSC_ACR_TMR_EXT_CLK_16 0x70000000 /* xtnl clock divided by 16 */ +#define PSC_ACR_TMR_EXT_CLK 0x60000000 /* external clock */ +#define PSC_ACR_TMR_IP2_16 0x50000000 /* ip2 divided by 16 */ +#define PSC_ACR_TMR_IP2 0x40000000 /* ip2 */ +#define PSC_ACR_CTR_EXT_CLK_16 0x30000000 /* xtnl clock divided by 16 */ +#define PSC_ACR_CTR_TXCB 0x20000000 /* channel B xmitr clock */ +#define PSC_ACR_CTR_TXCA 0x10000000 /* channel A xmitr clock */ +#define PSC_ACR_CTR_IP2 0x00000000 /* ip2 */ +#define PSC_ACR_IEC0 0x01000000 /* interrupt enable ctrl for D_CTS */ + +/* equates for int. status reg. */ +#define PSC_ISR_IPC 0x80000000 /* input port change*/ +#define PSC_ISR_BREAK 0x04000000 /* delta break */ +#define PSC_ISR_RX_RDY 0x02000000 /* receiver rdy /fifo full */ +#define PSC_ISR_TX_RDY 0x01000000 /* transmitter ready */ +#define PSC_ISR_DEOF 0x00800000 /* Detect EOF / RX-FIFO contains EOF */ +#define PSC_ISR_ERR 0x00400000 /* Error Status including FIFO */ + +/* equates for int. mask reg. */ +#define PSC_IMR_CLEAR 0xff000000 /* Clear the imr */ +#define PSC_IMR_IPC 0x80000000 /* input port change*/ +#define PSC_IMR_BREAK 0x04000000 /* delta break */ +#define PSC_IMR_RX_RDY 0x02000000 /* rcvr ready / fifo full */ +#define PSC_IMR_TX_RDY 0x01000000 /* transmitter ready */ +#define PSC_IMR_DEOF 0x00800000 /* Detect EOF / RX-FIFO contains EOF */ +#define PSC_IMR_ERR 0x00400000 /* Error Status including FIFO */ + +/* equates for input port reg. */ +#define PSC_IP_LPWRB 0x80000000 /* Low power mode in Ac97 */ +#define PSC_IP_TGL 0x40000000 /* test usage */ +#define PSC_IP_CTS 0x01000000 /* CTS */ + +/* equates for output port bit set reg. */ +#define PSC_OPSET_RTS 0x01000000 /* Assert PSC_RTS output */ + +/* equates for output port bit reset reg. */ +#define PSC_OPRESET_RTS 0x01000000 /* Assert PSC_RTS output */ + +/* equates for rx FIFO number of data reg. */ +#define PSC_RFNUM(x) ((x&0xff)<<24)/* receive count */ + +/* equates for tx FIFO number of data reg. */ +#define PSC_TFNUM(x) ((x&0xff)<<24)/* receive count */ + +/* equates for rx FIFO status reg */ +#define PSC_RFSTAT_TAG(x) ((x&3)<<28) /* tag */ +#define PSC_RFSTAT_FRAME0 0x08 /* Frame Indicator 0 */ +#define PSC_RFSTAT_FRAME1 0x04 /* Frame Indicator 1 */ +#define PSC_RFSTAT_FRAME2 0x02 /* Frame Indicator 2 */ +#define PSC_RFSTAT_FRAME3 0x01 /* Frame Indicator 3 */ +#define PSC_RFSTAT_FRAME(x) ((x&0x0f)<<24)/* Frame indicator */ +#define PSC_RFSTAT_ERR 0x00400000 /* Fifo err */ +#define PSC_RFSTAT_UF 0x00200000 /* Underflow */ +#define PSC_RFSTAT_OF 0x00100000 /* overflow */ +#define PSC_RFSTAT_FR 0x00080000 /* frame ready */ +#define PSC_RFSTAT_FULL 0x00040000 /* full */ +#define PSC_RFSTAT_ALARM 0x00020000 /* alarm */ +#define PSC_RFSTAT_EMPTY 0x00010000 /* empty */ + +/* equates for tx FIFO status reg */ +#define PSC_TFSTAT_TAG(x) ((x&3)<<28) /* tag */ +#define PSC_TFSTAT_FRAME0 0x08 /* Frame Indicator 0 */ +#define PSC_TFSTAT_FRAME1 0x04 /* Frame Indicator 1 */ +#define PSC_TFSTAT_FRAME2 0x02 /* Frame Indicator 2 */ +#define PSC_TFSTAT_FRAME3 0x01 /* Frame Indicator 3 */ +#define PSC_TFSTAT_FRAME(x) ((x&0x0f)<<24)/* Frame indicator */ +#define PSC_TFSTAT_ERR 0x00400000 /* Fifo err */ +#define PSC_TFSTAT_UF 0x00200000 /* Underflow */ +#define PSC_TFSTAT_OF 0x00100000 /* overflow */ +#define PSC_TFSTAT_FR 0x00080000 /* frame ready */ +#define PSC_TFSTAT_FULL 0x00040000 /* full */ +#define PSC_TFSTAT_ALARM 0x00020000 /* alarm */ +#define PSC_TFSTAT_EMPTY 0x00010000 /* empty */ + +/* equates for rx FIFO control reg. */ +#define PSC_RFCNTL_WTAG(x) ((x&3)<<29) /* Write tag */ +#define PSC_RFCNTL_FRAME 0x08000000 /* Frame mode enable */ +#define PSC_RFCNTL_GR(x) ((x&7)<<24) /* Granularity */ + +/* equates for tx FIFO control reg. */ +#define PSC_TFCNTL_WTAG(x) ((x&3)<<29) /* Write tag */ +#define PSC_TFCNTL_FRAME 0x08000000 /* Frame mode enable */ +#define PSC_TFCNTL_GR(x) ((x&7)<<24) /* Granularity */ + +/* equates for rx FIFO alarm reg */ +#define PSC_RFALARM(x) (x&0x1ff) /* Alarm */ + +/* equates for tx FIFO alarm reg */ +#define PSC_TFALARM(x) (x&0x1ff) /* Alarm */ + +/* equates for rx FIFO read pointer */ +#define PSC_RFRPTR(x) (x&0x1ff) /* read pointer */ + +/* equates for tx FIFO read pointer */ +#define PSC_TFRPTR(x) (x&0x1ff) /* read pointer */ + +/* equates for rx FIFO write pointer */ +#define PSC_RFWPTR(x) (x&0x1ff) /* write pointer */ + +/* equates for rx FIFO write pointer */ +#define PSC_TFWPTR(x) (x&0x1ff) /* write pointer */ + +/* equates for rx FIFO last read frame pointer reg */ +#define PSC_RFLRFPTR(x) (x&0x1ff) /* last read frame pointer */ + +/* equates for tx FIFO last read frame pointer reg */ +#define PSC_TFLRFPTR(x) (x&0x1ff) /* last read frame pointer */ + +/* equates for rx FIFO last write frame pointer reg */ +#define PSC_RFLWFPTR(x) (x&0x1ff) /* last write frame pointer */ + +/* equates for tx FIFO last write frame pointer reg */ +#define PSC_TFLWFPTR(x) (x&0x1ff) /* last write frame pointer */ + +/* PCI configuration (only for PLL determination)*/ +#define PCI_REG_PCIGSCR (MMAP_XCPCI + 0x60) /* Global status/control register */ +#define PCI_REG_PCIGSCR_PCI2XLB_CLK_MASK 0x07000000 +#define PCI_REG_PCIGSCR_PCI2XLB_CLK_BIT 24 + +#define PCI_REG_PCICAR (MMAP_XCPCI + 0xF8) /* Configuration Address Register */ + +/* ------------------------------------------------------------------------ */ +/* + * Macro for General Purpose Timer + */ +/* Enable and Mode Select */ +#define GPT_OCT(x) (x & 0x3)<<4/* Output Compare Type */ +#define GPT_ICT(x) (x & 0x3) /* Input Capture Type */ +#define GPT_CTRL_WDEN 0x80 /* Watchdog Enable */ +#define GPT_CTRL_CE 0x10 /* Counter Enable */ +#define GPT_CTRL_STPCNT 0x04 /* Stop continous */ +#define GPT_CTRL_ODRAIN 0x02 /* Open Drain */ +#define GPT_CTRL_INTEN 0x01 /* Interrupt Enable */ +#define GPT_MODE_GPIO(x) (x & 0x3)<<4/* Gpio Mode Type */ +#define GPT_TMS_ICT 0x01 /* Input Capture Enable */ +#define GPT_TMS_OCT 0x02 /* Output Capture Enable */ +#define GPT_TMS_PWM 0x03 /* PWM Capture Enable */ +#define GPT_TMS_SGPIO 0x04 /* PWM Capture Enable */ + +#define GPT_PWM_WIDTH(x) (x & 0xffff) + +/* Status */ +#define GPT_STA_CAPTURE(x) (x & 0xffff)/* Read of internal counter */ + +#define GPT_OVFPIN_OVF(x) (x & 0x70) /* Internal counter roll over */ +#define GPT_OVFPIN_PIN 0x01 /* Input pin - Timer 0 and 1 */ + +#define GPT_INT_TEXP 0x08 /* Timer Expired in Internal Timer mode */ +#define GPT_INT_PWMP 0x04 /* PWM end of period occurred */ +#define GPT_INT_COMP 0x02 /* OC reference event occurred */ +#define GPT_INT_CAPT 0x01 /* IC reference event occurred */ + +/* ------------------------------------------------------------------------ */ +/* + * Port configuration + */ +#define CONFIG_SYS_FEC1_PORT0_CONFIG 0x00000000 +#define CONFIG_SYS_FEC1_PORT1_CONFIG 0x00000000 +#define CONFIG_SYS_1284_PORT0_CONFIG 0x00000000 +#define CONFIG_SYS_1284_PORT1_CONFIG 0x00000000 +#define CONFIG_SYS_FEC2_PORT2_CONFIG 0x00000000 +#define CONFIG_SYS_PEV_PORT2_CONFIG 0x00000000 +#define CONFIG_SYS_GP0_PORT0_CONFIG 0x00000000 +#define CONFIG_SYS_GP1_PORT2_CONFIG 0xaaaaaac0 +#define CONFIG_SYS_PSC_PORT3_CONFIG 0x00020000 +#define CONFIG_SYS_CS1_PORT3_CONFIG 0x00000000 +#define CONFIG_SYS_CS2_PORT3_CONFIG 0x10000000 +#define CONFIG_SYS_CS3_PORT3_CONFIG 0x40000000 +#define CONFIG_SYS_CS4_PORT3_CONFIG 0x00000400 +#define CONFIG_SYS_CS5_PORT3_CONFIG 0x00000200 +#define CONFIG_SYS_PCI_PORT3_CONFIG 0x01400180 +#define CONFIG_SYS_I2C_PORT3_CONFIG 0x00000000 +#define CONFIG_SYS_GP2_PORT3_CONFIG 0x000200a0 + +/* ------------------------------------------------------------------------ */ +/* + * DRAM configuration + */ + +/* Field definitions for the control register */ +#define CTL_MODE_ENABLE_SHIFT 31 +#define CTL_CKE_SHIFT 30 +#define CTL_DDR_SHIFT 29 +#define CTL_REFRESH_SHIFT 28 +#define CTL_ADDRMUX_SHIFT 24 +#define CTL_PRECHARGE_SHIFT 23 +#define CTL_DRIVE_RULE_SHIFT 22 +#define CTL_REFRESH_INTERVAL_SHIFT 16 +#define CTL_DQSOEN_SHIFT 8 +#define CTL_BUFFERED_SHIFT 4 +#define CTL_REFRESH_CMD_SHIFT 2 +#define CTL_PRECHARGE_CMD_SHIFT 1 + +#define CTL_MODE_ENABLE (1<<CTL_MODE_ENABLE_SHIFT) +#define CTL_CKE_HIGH (1<<CTL_CKE_SHIFT) +#define CTL_DDR_MODE (1<<CTL_DDR_SHIFT) +#define CTL_REFRESH_ENABLE (1<<CTL_REFRESH_SHIFT) +#define CTL_ADDRMUX(value) ((value)<<CTL_ADDRMUX_SHIFT) +#define CTL_A8PRECHARGE (1<<CTL_PRECHARGE_SHIFT) +#define CTL_REFRESH_INTERVAL(value) ((value)<<CTL_REFRESH_INTERVAL_SHIFT) +#define CTL_DQSOEN(value) ((value)<<CTL_DQSOEN_SHIFT) +#define CTL_BUFFERED (1<<CTL_BUFFERED_SHIFT) +#define CTL_REFRESH_CMD (1<<CTL_REFRESH_CMD_SHIFT) +#define CTL_PRECHARGE_CMD (1<<CTL_PRECHARGE_CMD_SHIFT) + +/* Field definitions for config register 1 */ + +#define CFG1_SRD2RWP_SHIFT 28 +#define CFG1_SWT2RWP_SHIFT 24 +#define CFG1_RLATENCY_SHIFT 20 +#define CFG1_ACT2WR_SHIFT 16 +#define CFG1_PRE2ACT_SHIFT 12 +#define CFG1_REF2ACT_SHIFT 8 +#define CFG1_WLATENCY_SHIFT 4 + +#define CFG1_SRD2RWP(value) ((value)<<CFG1_SRD2RWP_SHIFT) +#define CFG1_SWT2RWP(value) ((value)<<CFG1_SWT2RWP_SHIFT) +#define CFG1_RLATENCY(value) ((value)<<CFG1_RLATENCY_SHIFT) +#define CFG1_ACT2WR(value) ((value)<<CFG1_ACT2WR_SHIFT) +#define CFG1_PRE2ACT(value) ((value)<<CFG1_PRE2ACT_SHIFT) +#define CFG1_REF2ACT(value) ((value)<<CFG1_REF2ACT_SHIFT) +#define CFG1_WLATENCY(value) ((value)<<CFG1_WLATENCY_SHIFT) + +/* Field definitions for config register 2 */ +#define CFG2_BRD2RP_SHIFT 28 +#define CFG2_BWT2RWP_SHIFT 24 +#define CFG2_BRD2WT_SHIFT 20 +#define CFG2_BURSTLEN_SHIFT 16 + +#define CFG2_BRD2RP(value) ((value)<<CFG2_BRD2RP_SHIFT) +#define CFG2_BWT2RWP(value) ((value)<<CFG2_BWT2RWP_SHIFT) +#define CFG2_BRD2WT(value) ((value)<<CFG2_BRD2WT_SHIFT) +#define CFG2_BURSTLEN(value) ((value)<<CFG2_BURSTLEN_SHIFT) + +/* Field definitions for the mode/extended mode register - mode + * register access + */ +#define MODE_REG_SHIFT 30 +#define MODE_OPMODE_SHIFT 25 +#define MODE_CL_SHIFT 22 +#define MODE_BT_SHIFT 21 +#define MODE_BURSTLEN_SHIFT 18 +#define MODE_CMD_SHIFT 16 + +#define MODE_MODE 0 +#define MODE_OPMODE(value) ((value)<<MODE_OPMODE_SHIFT) +#define MODE_CL(value) ((value)<<MODE_CL_SHIFT) +#define MODE_BT_INTERLEAVED (1<<MODE_BT_SHIFT) +#define MODE_BT_SEQUENTIAL (0<<MODE_BT_SHIFT) +#define MODE_BURSTLEN(value) ((value)<<MODE_BURSTLEN_SHIFT) +#define MODE_CMD (1<<MODE_CMD_SHIFT) + +#define MODE_BURSTLEN_8 3 +#define MODE_BURSTLEN_4 2 +#define MODE_BURSTLEN_2 1 + +#define MODE_CL_2 2 +#define MODE_CL_2p5 6 +#define MODE_OPMODE_NORMAL 0 +#define MODE_OPMODE_RESETDLL 2 + + +/* Field definitions for the mode/extended mode register - extended + * mode register access + */ +#define MODE_X_DLL_SHIFT 18 /* DLL enable/disable */ +#define MODE_X_DS_SHIFT 19 /* Drive strength normal/reduced */ +#define MODE_X_QFC_SHIFT 20 /* QFC function (whatever that is) */ +#define MODE_X_OPMODE_SHIFT 21 + +#define MODE_EXTENDED (1<<MODE_REG_SHIFT) +#define MODE_X_DLL_ENABLE 0 +#define MODE_X_DLL_DISABLE (1<<MODE_X_DLL_SHIFT) +#define MODE_X_DS_NORMAL 0 +#define MODE_X_DS_REDUCED (1<<MODE_X_DS_SHIFT) +#define MODE_X_QFC_DISABLED 0 +#define MODE_X_OPMODE(value) ((value)<<MODE_X_OPMODE_SHIFT) + +#ifndef __ASSEMBLY__ +/* + * DMA control/status registers. + */ +struct mpc8220_dma { + u32 taskBar; /* DMA + 0x00 */ + u32 currentPointer; /* DMA + 0x04 */ + u32 endPointer; /* DMA + 0x08 */ + u32 variablePointer;/* DMA + 0x0c */ + + u8 IntVect1; /* DMA + 0x10 */ + u8 IntVect2; /* DMA + 0x11 */ + u16 PtdCntrl; /* DMA + 0x12 */ + + u32 IntPend; /* DMA + 0x14 */ + u32 IntMask; /* DMA + 0x18 */ + + u16 tcr_0; /* DMA + 0x1c */ + u16 tcr_1; /* DMA + 0x1e */ + u16 tcr_2; /* DMA + 0x20 */ + u16 tcr_3; /* DMA + 0x22 */ + u16 tcr_4; /* DMA + 0x24 */ + u16 tcr_5; /* DMA + 0x26 */ + u16 tcr_6; /* DMA + 0x28 */ + u16 tcr_7; /* DMA + 0x2a */ + u16 tcr_8; /* DMA + 0x2c */ + u16 tcr_9; /* DMA + 0x2e */ + u16 tcr_a; /* DMA + 0x30 */ + u16 tcr_b; /* DMA + 0x32 */ + u16 tcr_c; /* DMA + 0x34 */ + u16 tcr_d; /* DMA + 0x36 */ + u16 tcr_e; /* DMA + 0x38 */ + u16 tcr_f; /* DMA + 0x3a */ + + u8 IPR0; /* DMA + 0x3c */ + u8 IPR1; /* DMA + 0x3d */ + u8 IPR2; /* DMA + 0x3e */ + u8 IPR3; /* DMA + 0x3f */ + u8 IPR4; /* DMA + 0x40 */ + u8 IPR5; /* DMA + 0x41 */ + u8 IPR6; /* DMA + 0x42 */ + u8 IPR7; /* DMA + 0x43 */ + u8 IPR8; /* DMA + 0x44 */ + u8 IPR9; /* DMA + 0x45 */ + u8 IPR10; /* DMA + 0x46 */ + u8 IPR11; /* DMA + 0x47 */ + u8 IPR12; /* DMA + 0x48 */ + u8 IPR13; /* DMA + 0x49 */ + u8 IPR14; /* DMA + 0x4a */ + u8 IPR15; /* DMA + 0x4b */ + u8 IPR16; /* DMA + 0x4c */ + u8 IPR17; /* DMA + 0x4d */ + u8 IPR18; /* DMA + 0x4e */ + u8 IPR19; /* DMA + 0x4f */ + u8 IPR20; /* DMA + 0x50 */ + u8 IPR21; /* DMA + 0x51 */ + u8 IPR22; /* DMA + 0x52 */ + u8 IPR23; /* DMA + 0x53 */ + u8 IPR24; /* DMA + 0x54 */ + u8 IPR25; /* DMA + 0x55 */ + u8 IPR26; /* DMA + 0x56 */ + u8 IPR27; /* DMA + 0x57 */ + u8 IPR28; /* DMA + 0x58 */ + u8 IPR29; /* DMA + 0x59 */ + u8 IPR30; /* DMA + 0x5a */ + u8 IPR31; /* DMA + 0x5b */ + + u32 res1; /* DMA + 0x5c */ + u32 res2; /* DMA + 0x60 */ + u32 res3; /* DMA + 0x64 */ + u32 MDEDebug; /* DMA + 0x68 */ + u32 ADSDebug; /* DMA + 0x6c */ + u32 Value1; /* DMA + 0x70 */ + u32 Value2; /* DMA + 0x74 */ + u32 Control; /* DMA + 0x78 */ + u32 Status; /* DMA + 0x7c */ + u32 EU00; /* DMA + 0x80 */ + u32 EU01; /* DMA + 0x84 */ + u32 EU02; /* DMA + 0x88 */ + u32 EU03; /* DMA + 0x8c */ + u32 EU04; /* DMA + 0x90 */ + u32 EU05; /* DMA + 0x94 */ + u32 EU06; /* DMA + 0x98 */ + u32 EU07; /* DMA + 0x9c */ + u32 EU10; /* DMA + 0xa0 */ + u32 EU11; /* DMA + 0xa4 */ + u32 EU12; /* DMA + 0xa8 */ + u32 EU13; /* DMA + 0xac */ + u32 EU14; /* DMA + 0xb0 */ + u32 EU15; /* DMA + 0xb4 */ + u32 EU16; /* DMA + 0xb8 */ + u32 EU17; /* DMA + 0xbc */ + u32 EU20; /* DMA + 0xc0 */ + u32 EU21; /* DMA + 0xc4 */ + u32 EU22; /* DMA + 0xc8 */ + u32 EU23; /* DMA + 0xcc */ + u32 EU24; /* DMA + 0xd0 */ + u32 EU25; /* DMA + 0xd4 */ + u32 EU26; /* DMA + 0xd8 */ + u32 EU27; /* DMA + 0xdc */ + u32 EU30; /* DMA + 0xe0 */ + u32 EU31; /* DMA + 0xe4 */ + u32 EU32; /* DMA + 0xe8 */ + u32 EU33; /* DMA + 0xec */ + u32 EU34; /* DMA + 0xf0 */ + u32 EU35; /* DMA + 0xf4 */ + u32 EU36; /* DMA + 0xf8 */ + u32 EU37; /* DMA + 0xfc */ +}; + +/* + * PCI Header Registers + */ +typedef struct mpc8220_xcpci { + u32 dev_ven_id; /* 0xb00 - device/vendor ID */ + u32 stat_cmd_reg; /* 0xb04 - status command register */ + u32 class_code_rev_id; /* 0xb08 - class code / revision ID */ + u32 bist_htyp_lat_cshl; /* 0xb0c - BIST/HeaderType/Latency/cache line */ + u32 base0; /* 0xb10 - base address 0 */ + u32 base1; /* 0xb14 - base address 1 */ + u32 reserved1[4]; /* 0xb18->0xd27 - base address 2 - 5 */ + u32 cis; /* 0xb28 - cardBus CIS pointer */ + u32 sub_sys_ven_id; /* 0xb2c - sub system ID/ subsystem vendor ID */ + u32 reserved2; /* 0xb30 - expansion ROM base address */ + u32 reserved3; /* 0xb00 - reserved */ + u32 reserved4; /* 0xb00 - reserved */ + u32 mlat_mgnt_ipl; /* 0xb3c - MaxLat/MinGnt/ int pin/int line */ + u32 reserved5[8]; + /* MPC8220 specific - not accessible in PCI header space externally */ + u32 glb_stat_ctl; /* 0xb60 - Global Status Control */ + u32 target_bar0; /* 0xb64 - Target Base Address 0 */ + u32 target_bar1; /* 0xb68 - Target Base Address 1 */ + u32 target_ctrl; /* 0xb6c - Target Control */ + u32 init_win0; /* 0xb70 - Initiator Window 0 Base/Translation */ + u32 init_win1; /* 0xb74 - Initiator Window 1 Base/Translation */ + u32 init_win2; /* 0xb78 - Initiator Window 2 Base/Translation */ + u32 reserved6; /* 0xb7c - reserved */ + u32 init_win_cfg; /* 0xb80 */ + u32 init_ctrl; /* 0xb84 */ + u32 init_stat; /* 0xb88 */ + u32 reserved7[27]; + u32 cfg_adr; /* 0xbf8 */ + u32 reserved8; +} mpc8220_xcpci_t; + +/* PCI->XLB space translation (MPC8220 target), reg0 can address max 256MB, + reg1 - 1GB */ +#define PCI_BASE_ADDR_REG0 0x40000000 +#define PCI_BASE_ADDR_REG1 (CONFIG_SYS_SDRAM_BASE) +#define PCI_TARGET_BASE_ADDR_REG0 (CONFIG_SYS_MBAR) +#define PCI_TARGET_BASE_ADDR_REG1 (CONFIG_SYS_SDRAM_BASE) +#define PCI_TARGET_BASE_ADDR_EN 1<<0 + + +/* PCI Global Status/Control Register (PCIGSCR) */ +#define PCI_GLB_STAT_CTRL_PE_SHIFT 29 +#define PCI_GLB_STAT_CTRL_SE_SHIFT 28 +#define PCI_GLB_STAT_CTRL_XLB_TO_PCI_CLK_SHIFT 24 +#define PCI_GLB_STAT_CTRL_XLB_TO_PCI_CLK_MASK 0x7 +#define PCI_GLB_STAT_CTRL_IPG_TO_PCI_CLK_SHIFT 16 +#define PCI_GLB_STAT_CTRL_IPG_TO_PCI_CLK_MASK 0x7 +#define PCI_GLB_STAT_CTRL_PEE_SHIFT 13 +#define PCI_GLB_STAT_CTRL_SEE_SHIFT 12 +#define PCI_GLB_STAT_CTRL_PR_SHIFT 0 + +#define PCI_GLB_STAT_CTRL_PE (1<<PCI_GLB_STAT_CTRL_PE_SHIFT) +#define PCI_GLB_STAT_CTRL_SE (1<<PCI_GLB_STAT_CTRL_SE_SHIFT) +#define PCI_GLB_STAT_CTRL_PEE (1<<PCI_GLB_STAT_CTRL_PEE_SHIFT) +#define PCI_GLB_STAT_CTRL_SEE (1<<PCI_GLB_STAT_CTRL_SEE_SHIFT) +#define PCI_GLB_STAT_CTRL_PR (1<<PCI_GLB_STAT_CTRL_PR_SHIFT) + +/* PCI Target Control Register (PCITCR) */ +#define PCI_TARGET_CTRL_LD_SHIFT 24 +#define PCI_TARGET_CTRL_P_SHIFT 16 + +#define PCI_TARGET_CTRL_LD (1<<PCI_TARGET_CTRL_LD_SHIFT) +#define PCI_TARGET_CTRL_P (1<<PCI_TARGET_CTRL_P_SHIFT) + +/* PCI Initiator Window Configuration Register (PCIIWCR) */ +#define PCI_INIT_WIN_CFG_WIN0_CTRL_IO_SHIFT 27 +#define PCI_INIT_WIN_CFG_WIN0_CTRL_PRC_SHIFT 25 +#define PCI_INIT_WIN_CFG_WIN0_CTRL_PRC_MASK 0x3 +#define PCI_INIT_WIN_CFG_WIN0_CTRL_EN_SHIFT 24 +#define PCI_INIT_WIN_CFG_WIN1_CTRL_IO_SHIFT 19 +#define PCI_INIT_WIN_CFG_WIN1_CTRL_PRC_SHIFT 17 +#define PCI_INIT_WIN_CFG_WIN1_CTRL_PRC_MASK 0x3 +#define PCI_INIT_WIN_CFG_WIN1_CTRL_EN_SHIFT 16 +#define PCI_INIT_WIN_CFG_WIN2_CTRL_IO_SHIFT 11 +#define PCI_INIT_WIN_CFG_WIN2_CTRL_PRC_SHIFT 9 +#define PCI_INIT_WIN_CFG_WIN2_CTRL_PRC_MASK 0x3 +#define PCI_INIT_WIN_CFG_WIN2_CTRL_EN_SHIFT 8 + +#define PCI_INIT_WIN_CFG_WIN_MEM_READ 0x0 +#define PCI_INIT_WIN_CFG_WIN_MEM_READ_LINE 0x1 +#define PCI_INIT_WIN_CFG_WIN_MEM_READ_MULTIPLE 0x2 + +#define PCI_INIT_WIN_CFG_WIN0_CTRL_IO (1<<PCI_INIT_WIN_CFG_WIN0_CTRL_IO_SHIFT) +#define PCI_INIT_WIN_CFG_WIN0_CTRL_EN (1<<PCI_INIT_WIN_CFG_WIN0_CTRL_EN_SHIFT) +#define PCI_INIT_WIN_CFG_WIN1_CTRL_IO (1<<PCI_INIT_WIN_CFG_WIN1_CTRL_IO_SHIFT) +#define PCI_INIT_WIN_CFG_WIN1_CTRL_EN (1<<PCI_INIT_WIN_CFG_WIN1_CTRL_EN_SHIFT) +#define PCI_INIT_WIN_CFG_WIN2_CTRL_IO (1<<PCI_INIT_WIN_CFG_WIN2_CTRL_IO_SHIFT) +#define PCI_INIT_WIN_CFG_WIN2_CTRL_EN (1<<PCI_INIT_WIN_CFG_WIN2_CTRL_EN_SHIFT) + +/* PCI Initiator Control Register (PCIICR) */ +#define PCI_INIT_CTRL_REE_SHIFT 26 +#define PCI_INIT_CTRL_IAE_SHIFT 25 +#define PCI_INIT_CTRL_TAE_SHIFT 24 +#define PCI_INIT_CTRL_MAX_RETRIES_SHIFT 0 +#define PCI_INIT_CTRL_MAX_RETRIES_MASK 0xff + +#define PCI_INIT_CTRL_REE (1<<PCI_INIT_CTRL_REE_SHIFT) +#define PCI_INIT_CTRL_IAE (1<<PCI_INIT_CTRL_IAE_SHIFT) +#define PCI_INIT_CTRL_TAE (1<<PCI_INIT_CTRL_TAE_SHIFT) + +/* PCI Status/Command Register (PCISCR) - PCI Dword 1 */ +#define PCI_STAT_CMD_PE_SHIFT 31 +#define PCI_STAT_CMD_SE_SHIFT 30 +#define PCI_STAT_CMD_MA_SHIFT 29 +#define PCI_STAT_CMD_TR_SHIFT 28 +#define PCI_STAT_CMD_TS_SHIFT 27 +#define PCI_STAT_CMD_DT_SHIFT 25 +#define PCI_STAT_CMD_DT_MASK 0x3 +#define PCI_STAT_CMD_DP_SHIFT 24 +#define PCI_STAT_CMD_FC_SHIFT 23 +#define PCI_STAT_CMD_R_SHIFT 22 +#define PCI_STAT_CMD_66M_SHIFT 21 +#define PCI_STAT_CMD_C_SHIFT 20 +#define PCI_STAT_CMD_F_SHIFT 9 +#define PCI_STAT_CMD_S_SHIFT 8 +#define PCI_STAT_CMD_ST_SHIFT 7 +#define PCI_STAT_CMD_PER_SHIFT 6 +#define PCI_STAT_CMD_V_SHIFT 5 +#define PCI_STAT_CMD_MW_SHIFT 4 +#define PCI_STAT_CMD_SP_SHIFT 3 +#define PCI_STAT_CMD_B_SHIFT 2 +#define PCI_STAT_CMD_M_SHIFT 1 +#define PCI_STAT_CMD_IO_SHIFT 0 + +#define PCI_STAT_CMD_PE (1<<PCI_STAT_CMD_PE_SHIFT) +#define PCI_STAT_CMD_SE (1<<PCI_STAT_CMD_SE_SHIFT) +#define PCI_STAT_CMD_MA (1<<PCI_STAT_CMD_MA_SHIFT) +#define PCI_STAT_CMD_TR (1<<PCI_STAT_CMD_TR_SHIFT) +#define PCI_STAT_CMD_TS (1<<PCI_STAT_CMD_TS_SHIFT) +#define PCI_STAT_CMD_DP (1<<PCI_STAT_CMD_DP_SHIFT) +#define PCI_STAT_CMD_FC (1<<PCI_STAT_CMD_FC_SHIFT) +#define PCI_STAT_CMD_R (1<<PCI_STAT_CMD_R_SHIFT) +#define PCI_STAT_CMD_66M (1<<PCI_STAT_CMD_66M_SHIFT) +#define PCI_STAT_CMD_C (1<<PCI_STAT_CMD_C_SHIFT) +#define PCI_STAT_CMD_F (1<<PCI_STAT_CMD_F_SHIFT) +#define PCI_STAT_CMD_S (1<<PCI_STAT_CMD_S_SHIFT) +#define PCI_STAT_CMD_ST (1<<PCI_STAT_CMD_ST_SHIFT) +#define PCI_STAT_CMD_PER (1<<PCI_STAT_CMD_PER_SHIFT) +#define PCI_STAT_CMD_V (1<<PCI_STAT_CMD_V_SHIFT) +#define PCI_STAT_CMD_MW (1<<PCI_STAT_CMD_MW_SHIFT) +#define PCI_STAT_CMD_SP (1<<PCI_STAT_CMD_SP_SHIFT) +#define PCI_STAT_CMD_B (1<<PCI_STAT_CMD_B_SHIFT) +#define PCI_STAT_CMD_M (1<<PCI_STAT_CMD_M_SHIFT) +#define PCI_STAT_CMD_IO (1<<PCI_STAT_CMD_IO_SHIFT) + +/* PCI Configuration 1 Register (PCICR1) - PCI Dword 3 */ +#define PCI_CFG1_HT_SHIFT 16 +#define PCI_CFG1_HT_MASK 0xff +#define PCI_CFG1_LT_SHIFT 8 +#define PCI_CFG1_LT_MASK 0xff +#define PCI_CFG1_CLS_SHIFT 0 +#define PCI_CFG1_CLS_MASK 0xf + +/* function prototypes */ +void loadtask(int basetask, int tasks); +u32 dramSetup(void); + +#if defined(CONFIG_PSC_CONSOLE) +int psc_serial_init (void); +void psc_serial_putc(const char c); +void psc_serial_puts (const char *s); +int psc_serial_getc(void); +int psc_serial_tstc(void); +void psc_serial_setbrg(void); +#endif + +#if defined (CONFIG_EXTUART_CONSOLE) +int ext_serial_init (void); +void ext_serial_putc(const char c); +void ext_serial_puts (const char *s); +int ext_serial_getc(void); +int ext_serial_tstc(void); +void ext_serial_setbrg(void); +#endif + +#endif /* __ASSEMBLY__ */ + +#endif /* __MPC8220_H__ */ |