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717 lines
29 KiB
C
717 lines
29 KiB
C
/*
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* include/mpc8220.h
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*
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* Prototypes, etc. for the Motorola MPC8220
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* embedded cpu chips
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*
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* 2004 (c) Freescale, Inc.
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* Author: TsiChung Liew <Tsi-Chung.Liew@freescale.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __MPC8220_H__
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#define __MPC8220_H__
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/* Processor name */
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#if defined(CONFIG_MPC8220)
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#define CPU_ID_STR "MPC8220"
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#endif
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/* Exception offsets (PowerPC standard) */
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#define EXC_OFF_SYS_RESET 0x0100
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#define _START_OFFSET EXC_OFF_SYS_RESET
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/* Internal memory map */
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/* MPC8220 Internal Register MMAP */
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#define MMAP_MBAR (CONFIG_SYS_MBAR + 0x00000000) /* chip selects */
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#define MMAP_MEMCTL (CONFIG_SYS_MBAR + 0x00000100) /* sdram controller */
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#define MMAP_XLBARB (CONFIG_SYS_MBAR + 0x00000200) /* xlb arbitration control */
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#define MMAP_CDM (CONFIG_SYS_MBAR + 0x00000300) /* clock distribution module */
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#define MMAP_VDOPLL (CONFIG_SYS_MBAR + 0x00000400) /* video PLL */
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#define MMAP_FB (CONFIG_SYS_MBAR + 0x00000500) /* flex bus controller */
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#define MMAP_PCFG (CONFIG_SYS_MBAR + 0x00000600) /* port config */
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#define MMAP_ICTL (CONFIG_SYS_MBAR + 0x00000700) /* interrupt controller */
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#define MMAP_GPTMR (CONFIG_SYS_MBAR + 0x00000800) /* general purpose timers */
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#define MMAP_SLTMR (CONFIG_SYS_MBAR + 0x00000900) /* slice timers */
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#define MMAP_GPIO (CONFIG_SYS_MBAR + 0x00000A00) /* gpio module */
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#define MMAP_XCPCI (CONFIG_SYS_MBAR + 0x00000B00) /* pci controller */
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#define MMAP_PCIARB (CONFIG_SYS_MBAR + 0x00000C00) /* pci arbiter */
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#define MMAP_EXTDMA1 (CONFIG_SYS_MBAR + 0x00000D00) /* external dma1 */
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#define MMAP_EXTDMA2 (CONFIG_SYS_MBAR + 0x00000E00) /* external dma1 */
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#define MMAP_USBH (CONFIG_SYS_MBAR + 0x00001000) /* usb host */
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#define MMAP_CMTMR (CONFIG_SYS_MBAR + 0x00007f00) /* comm timers */
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#define MMAP_DMA (CONFIG_SYS_MBAR + 0x00008000) /* dma */
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#define MMAP_USBD (CONFIG_SYS_MBAR + 0x00008200) /* usb device */
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#define MMAP_COMMPCI (CONFIG_SYS_MBAR + 0x00008400) /* pci comm Bus regs */
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#define MMAP_1284 (CONFIG_SYS_MBAR + 0x00008500) /* 1284 */
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#define MMAP_PEV (CONFIG_SYS_MBAR + 0x00008600) /* print engine video */
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#define MMAP_PSC1 (CONFIG_SYS_MBAR + 0x00008800) /* psc1 block */
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#define MMAP_I2C (CONFIG_SYS_MBAR + 0x00008f00) /* i2c controller */
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#define MMAP_FEC1 (CONFIG_SYS_MBAR + 0x00009000) /* fast ethernet 1 */
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#define MMAP_FEC2 (CONFIG_SYS_MBAR + 0x00009800) /* fast ethernet 2 */
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#define MMAP_JBIGRAM (CONFIG_SYS_MBAR + 0x0000a000) /* jbig RAM */
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#define MMAP_JBIG (CONFIG_SYS_MBAR + 0x0000c000) /* jbig */
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#define MMAP_PDLA (CONFIG_SYS_MBAR + 0x00010000) /* */
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#define MMAP_SRAMCFG (CONFIG_SYS_MBAR + 0x0001ff00) /* SRAM config */
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#define MMAP_SRAM (CONFIG_SYS_MBAR + 0x00020000) /* SRAM */
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#define SRAM_SIZE 0x8000 /* 32 KB */
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/* ------------------------------------------------------------------------ */
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/*
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* Macro for Programmable Serial Channel
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*/
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/* equates for mode reg. 1 for channel A or B */
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#define PSC_MR1_RX_RTS 0x80000000 /* receiver RTS enabled */
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#define PSC_MR1_RX_INT 0x40000000 /* receiver intrupt enabled */
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#define PSC_MR1_ERR_MODE 0x20000000 /* block error mode */
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#define PSC_MR1_PAR_MODE_MULTI 0x18000000 /* multi_drop mode */
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#define PSC_MR1_NO_PARITY 0x10000000 /* no parity mode */
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#define PSC_MR1_ALWAYS_0 0x08000000 /* force parity mode */
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#define PSC_MR1_ALWAYS_1 0x0c000000 /* force parity mode */
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#define PSC_MR1_EVEN_PARITY 0x00000000 /* parity mode */
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#define PSC_MR1_ODD_PARITY 0x04000000 /* 0 = even, 1 = odd */
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#define PSC_MR1_BITS_CHAR_8 0x03000000 /* 8 bits */
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#define PSC_MR1_BITS_CHAR_7 0x02000000 /* 7 bits */
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#define PSC_MR1_BITS_CHAR_6 0x01000000 /* 6 bits */
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#define PSC_MR1_BITS_CHAR_5 0x00000000 /* 5 bits */
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/* equates for mode reg. 2 for channel A or B */
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#define PSC_MR2_NORMAL_MODE 0x00000000 /* normal channel mode */
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#define PSC_MR2_AUTO_MODE 0x40000000 /* automatic channel mode */
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#define PSC_MR2_LOOPBACK_LOCL 0x80000000 /* local loopback channel mode */
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#define PSC_MR2_LOOPBACK_REMT 0xc0000000 /* remote loopback channel mode */
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#define PSC_MR2_TX_RTS 0x20000000 /* transmitter RTS enabled */
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#define PSC_MR2_TX_CTS 0x10000000 /* transmitter CTS enabled */
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#define PSC_MR2_STOP_BITS_2 0x0f000000 /* 2 stop bits */
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#define PSC_MR2_STOP_BITS_1 0x07000000 /* 1 stop bit */
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/* equates for status reg. A or B */
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#define PSC_SR_BREAK 0x80000000 /* received break */
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#define PSC_SR_NEOF PSC_SR_BREAK /* Next byte is EOF - MIR/FIR */
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#define PSC_SR_FRAMING 0x40000000 /* framing error */
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#define PSC_SR_PHYERR PSC_SR_FRAMING/* Physical Layer error - MIR/FIR */
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#define PSC_SR_PARITY 0x20000000 /* parity error */
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#define PSC_SR_CRCERR PSC_SR_PARITY /* CRC error */
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#define PSC_SR_OVERRUN 0x10000000 /* overrun error */
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#define PSC_SR_TXEMT 0x08000000 /* transmitter empty */
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#define PSC_SR_TXRDY 0x04000000 /* transmitter ready*/
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#define PSC_SR_FFULL 0x02000000 /* fifo full */
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#define PSC_SR_RXRDY 0x01000000 /* receiver ready */
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#define PSC_SR_DEOF 0x00800000 /* Detect EOF or RX-FIFO contain EOF */
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#define PSC_SR_ERR 0x00400000 /* Error Status including FIFO */
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/* equates for clock select reg. */
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#define PSC_CSRX16EXT_CLK 0x1110 /* x 16 ext_clock */
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#define PSC_CSRX1EXT_CLK 0x1111 /* x 1 ext_clock */
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/* equates for command reg. A or B */
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#define PSC_CR_NO_COMMAND 0x00000000 /* no command */
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#define PSC_CR_RST_MR_PTR_CMD 0x10000000 /* reset mr pointer command */
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#define PSC_CR_RST_RX_CMD 0x20000000 /* reset receiver command */
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#define PSC_CR_RST_TX_CMD 0x30000000 /* reset transmitter command */
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#define PSC_CR_RST_ERR_STS_CMD 0x40000000 /* reset error status cmnd */
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#define PSC_CR_RST_BRK_INT_CMD 0x50000000 /* reset break int. command */
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#define PSC_CR_STR_BREAK_CMD 0x60000000 /* start break command */
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#define PSC_CR_STP_BREAK_CMD 0x70000000 /* stop break command */
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#define PSC_CR_RX_ENABLE 0x01000000 /* receiver enabled */
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#define PSC_CR_RX_DISABLE 0x02000000 /* receiver disabled */
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#define PSC_CR_TX_ENABLE 0x04000000 /* transmitter enabled */
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#define PSC_CR_TX_DISABLE 0x08000000 /* transmitter disabled */
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/* equates for input port change reg. */
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#define PSC_IPCR_SYNC 0x80000000 /* Sync Detect */
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#define PSC_IPCR_D_CTS 0x10000000 /* Delta CTS */
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#define PSC_IPCR_CTS 0x01000000 /* CTS - current state of PSC_CTS */
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/* equates for auxiliary control reg. (timer and counter clock selects) */
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#define PSC_ACR_BRG 0x80000000 /* for 68681 compatibility
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baud rate gen select
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0 = set 1; 1 = set 2
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equates are set 2 ONLY */
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#define PSC_ACR_TMR_EXT_CLK_16 0x70000000 /* xtnl clock divided by 16 */
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#define PSC_ACR_TMR_EXT_CLK 0x60000000 /* external clock */
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#define PSC_ACR_TMR_IP2_16 0x50000000 /* ip2 divided by 16 */
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#define PSC_ACR_TMR_IP2 0x40000000 /* ip2 */
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#define PSC_ACR_CTR_EXT_CLK_16 0x30000000 /* xtnl clock divided by 16 */
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#define PSC_ACR_CTR_TXCB 0x20000000 /* channel B xmitr clock */
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#define PSC_ACR_CTR_TXCA 0x10000000 /* channel A xmitr clock */
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#define PSC_ACR_CTR_IP2 0x00000000 /* ip2 */
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#define PSC_ACR_IEC0 0x01000000 /* interrupt enable ctrl for D_CTS */
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/* equates for int. status reg. */
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#define PSC_ISR_IPC 0x80000000 /* input port change*/
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#define PSC_ISR_BREAK 0x04000000 /* delta break */
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#define PSC_ISR_RX_RDY 0x02000000 /* receiver rdy /fifo full */
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#define PSC_ISR_TX_RDY 0x01000000 /* transmitter ready */
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#define PSC_ISR_DEOF 0x00800000 /* Detect EOF / RX-FIFO contains EOF */
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#define PSC_ISR_ERR 0x00400000 /* Error Status including FIFO */
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/* equates for int. mask reg. */
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#define PSC_IMR_CLEAR 0xff000000 /* Clear the imr */
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#define PSC_IMR_IPC 0x80000000 /* input port change*/
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#define PSC_IMR_BREAK 0x04000000 /* delta break */
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#define PSC_IMR_RX_RDY 0x02000000 /* rcvr ready / fifo full */
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#define PSC_IMR_TX_RDY 0x01000000 /* transmitter ready */
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#define PSC_IMR_DEOF 0x00800000 /* Detect EOF / RX-FIFO contains EOF */
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#define PSC_IMR_ERR 0x00400000 /* Error Status including FIFO */
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/* equates for input port reg. */
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#define PSC_IP_LPWRB 0x80000000 /* Low power mode in Ac97 */
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#define PSC_IP_TGL 0x40000000 /* test usage */
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#define PSC_IP_CTS 0x01000000 /* CTS */
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/* equates for output port bit set reg. */
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#define PSC_OPSET_RTS 0x01000000 /* Assert PSC_RTS output */
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/* equates for output port bit reset reg. */
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#define PSC_OPRESET_RTS 0x01000000 /* Assert PSC_RTS output */
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/* equates for rx FIFO number of data reg. */
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#define PSC_RFNUM(x) ((x&0xff)<<24)/* receive count */
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/* equates for tx FIFO number of data reg. */
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#define PSC_TFNUM(x) ((x&0xff)<<24)/* receive count */
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/* equates for rx FIFO status reg */
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#define PSC_RFSTAT_TAG(x) ((x&3)<<28) /* tag */
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#define PSC_RFSTAT_FRAME0 0x08 /* Frame Indicator 0 */
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#define PSC_RFSTAT_FRAME1 0x04 /* Frame Indicator 1 */
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#define PSC_RFSTAT_FRAME2 0x02 /* Frame Indicator 2 */
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#define PSC_RFSTAT_FRAME3 0x01 /* Frame Indicator 3 */
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#define PSC_RFSTAT_FRAME(x) ((x&0x0f)<<24)/* Frame indicator */
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#define PSC_RFSTAT_ERR 0x00400000 /* Fifo err */
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#define PSC_RFSTAT_UF 0x00200000 /* Underflow */
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#define PSC_RFSTAT_OF 0x00100000 /* overflow */
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#define PSC_RFSTAT_FR 0x00080000 /* frame ready */
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#define PSC_RFSTAT_FULL 0x00040000 /* full */
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#define PSC_RFSTAT_ALARM 0x00020000 /* alarm */
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#define PSC_RFSTAT_EMPTY 0x00010000 /* empty */
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/* equates for tx FIFO status reg */
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#define PSC_TFSTAT_TAG(x) ((x&3)<<28) /* tag */
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#define PSC_TFSTAT_FRAME0 0x08 /* Frame Indicator 0 */
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#define PSC_TFSTAT_FRAME1 0x04 /* Frame Indicator 1 */
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#define PSC_TFSTAT_FRAME2 0x02 /* Frame Indicator 2 */
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#define PSC_TFSTAT_FRAME3 0x01 /* Frame Indicator 3 */
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#define PSC_TFSTAT_FRAME(x) ((x&0x0f)<<24)/* Frame indicator */
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#define PSC_TFSTAT_ERR 0x00400000 /* Fifo err */
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#define PSC_TFSTAT_UF 0x00200000 /* Underflow */
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#define PSC_TFSTAT_OF 0x00100000 /* overflow */
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#define PSC_TFSTAT_FR 0x00080000 /* frame ready */
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#define PSC_TFSTAT_FULL 0x00040000 /* full */
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#define PSC_TFSTAT_ALARM 0x00020000 /* alarm */
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#define PSC_TFSTAT_EMPTY 0x00010000 /* empty */
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/* equates for rx FIFO control reg. */
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#define PSC_RFCNTL_WTAG(x) ((x&3)<<29) /* Write tag */
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#define PSC_RFCNTL_FRAME 0x08000000 /* Frame mode enable */
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#define PSC_RFCNTL_GR(x) ((x&7)<<24) /* Granularity */
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/* equates for tx FIFO control reg. */
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#define PSC_TFCNTL_WTAG(x) ((x&3)<<29) /* Write tag */
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#define PSC_TFCNTL_FRAME 0x08000000 /* Frame mode enable */
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#define PSC_TFCNTL_GR(x) ((x&7)<<24) /* Granularity */
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/* equates for rx FIFO alarm reg */
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#define PSC_RFALARM(x) (x&0x1ff) /* Alarm */
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/* equates for tx FIFO alarm reg */
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#define PSC_TFALARM(x) (x&0x1ff) /* Alarm */
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/* equates for rx FIFO read pointer */
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#define PSC_RFRPTR(x) (x&0x1ff) /* read pointer */
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/* equates for tx FIFO read pointer */
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#define PSC_TFRPTR(x) (x&0x1ff) /* read pointer */
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/* equates for rx FIFO write pointer */
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#define PSC_RFWPTR(x) (x&0x1ff) /* write pointer */
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/* equates for rx FIFO write pointer */
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#define PSC_TFWPTR(x) (x&0x1ff) /* write pointer */
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/* equates for rx FIFO last read frame pointer reg */
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#define PSC_RFLRFPTR(x) (x&0x1ff) /* last read frame pointer */
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/* equates for tx FIFO last read frame pointer reg */
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#define PSC_TFLRFPTR(x) (x&0x1ff) /* last read frame pointer */
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/* equates for rx FIFO last write frame pointer reg */
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#define PSC_RFLWFPTR(x) (x&0x1ff) /* last write frame pointer */
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/* equates for tx FIFO last write frame pointer reg */
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#define PSC_TFLWFPTR(x) (x&0x1ff) /* last write frame pointer */
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/* PCI configuration (only for PLL determination)*/
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#define PCI_REG_PCIGSCR (MMAP_XCPCI + 0x60) /* Global status/control register */
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#define PCI_REG_PCIGSCR_PCI2XLB_CLK_MASK 0x07000000
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#define PCI_REG_PCIGSCR_PCI2XLB_CLK_BIT 24
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#define PCI_REG_PCICAR (MMAP_XCPCI + 0xF8) /* Configuration Address Register */
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/* ------------------------------------------------------------------------ */
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/*
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* Macro for General Purpose Timer
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*/
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/* Enable and Mode Select */
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#define GPT_OCT(x) (x & 0x3)<<4/* Output Compare Type */
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#define GPT_ICT(x) (x & 0x3) /* Input Capture Type */
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#define GPT_CTRL_WDEN 0x80 /* Watchdog Enable */
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#define GPT_CTRL_CE 0x10 /* Counter Enable */
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#define GPT_CTRL_STPCNT 0x04 /* Stop continous */
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#define GPT_CTRL_ODRAIN 0x02 /* Open Drain */
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#define GPT_CTRL_INTEN 0x01 /* Interrupt Enable */
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#define GPT_MODE_GPIO(x) (x & 0x3)<<4/* Gpio Mode Type */
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#define GPT_TMS_ICT 0x01 /* Input Capture Enable */
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#define GPT_TMS_OCT 0x02 /* Output Capture Enable */
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#define GPT_TMS_PWM 0x03 /* PWM Capture Enable */
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#define GPT_TMS_SGPIO 0x04 /* PWM Capture Enable */
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#define GPT_PWM_WIDTH(x) (x & 0xffff)
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/* Status */
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#define GPT_STA_CAPTURE(x) (x & 0xffff)/* Read of internal counter */
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#define GPT_OVFPIN_OVF(x) (x & 0x70) /* Internal counter roll over */
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#define GPT_OVFPIN_PIN 0x01 /* Input pin - Timer 0 and 1 */
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#define GPT_INT_TEXP 0x08 /* Timer Expired in Internal Timer mode */
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#define GPT_INT_PWMP 0x04 /* PWM end of period occurred */
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#define GPT_INT_COMP 0x02 /* OC reference event occurred */
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#define GPT_INT_CAPT 0x01 /* IC reference event occurred */
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/* ------------------------------------------------------------------------ */
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/*
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* Port configuration
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*/
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#define CONFIG_SYS_FEC1_PORT0_CONFIG 0x00000000
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#define CONFIG_SYS_FEC1_PORT1_CONFIG 0x00000000
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#define CONFIG_SYS_1284_PORT0_CONFIG 0x00000000
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#define CONFIG_SYS_1284_PORT1_CONFIG 0x00000000
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#define CONFIG_SYS_FEC2_PORT2_CONFIG 0x00000000
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#define CONFIG_SYS_PEV_PORT2_CONFIG 0x00000000
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#define CONFIG_SYS_GP0_PORT0_CONFIG 0x00000000
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#define CONFIG_SYS_GP1_PORT2_CONFIG 0xaaaaaac0
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#define CONFIG_SYS_PSC_PORT3_CONFIG 0x00020000
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#define CONFIG_SYS_CS1_PORT3_CONFIG 0x00000000
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#define CONFIG_SYS_CS2_PORT3_CONFIG 0x10000000
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#define CONFIG_SYS_CS3_PORT3_CONFIG 0x40000000
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#define CONFIG_SYS_CS4_PORT3_CONFIG 0x00000400
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#define CONFIG_SYS_CS5_PORT3_CONFIG 0x00000200
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#define CONFIG_SYS_PCI_PORT3_CONFIG 0x01400180
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#define CONFIG_SYS_I2C_PORT3_CONFIG 0x00000000
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#define CONFIG_SYS_GP2_PORT3_CONFIG 0x000200a0
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/* ------------------------------------------------------------------------ */
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/*
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* DRAM configuration
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*/
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/* Field definitions for the control register */
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#define CTL_MODE_ENABLE_SHIFT 31
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#define CTL_CKE_SHIFT 30
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#define CTL_DDR_SHIFT 29
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#define CTL_REFRESH_SHIFT 28
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#define CTL_ADDRMUX_SHIFT 24
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#define CTL_PRECHARGE_SHIFT 23
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#define CTL_DRIVE_RULE_SHIFT 22
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#define CTL_REFRESH_INTERVAL_SHIFT 16
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#define CTL_DQSOEN_SHIFT 8
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#define CTL_BUFFERED_SHIFT 4
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#define CTL_REFRESH_CMD_SHIFT 2
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#define CTL_PRECHARGE_CMD_SHIFT 1
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#define CTL_MODE_ENABLE (1<<CTL_MODE_ENABLE_SHIFT)
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#define CTL_CKE_HIGH (1<<CTL_CKE_SHIFT)
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#define CTL_DDR_MODE (1<<CTL_DDR_SHIFT)
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#define CTL_REFRESH_ENABLE (1<<CTL_REFRESH_SHIFT)
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#define CTL_ADDRMUX(value) ((value)<<CTL_ADDRMUX_SHIFT)
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#define CTL_A8PRECHARGE (1<<CTL_PRECHARGE_SHIFT)
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#define CTL_REFRESH_INTERVAL(value) ((value)<<CTL_REFRESH_INTERVAL_SHIFT)
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#define CTL_DQSOEN(value) ((value)<<CTL_DQSOEN_SHIFT)
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#define CTL_BUFFERED (1<<CTL_BUFFERED_SHIFT)
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#define CTL_REFRESH_CMD (1<<CTL_REFRESH_CMD_SHIFT)
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#define CTL_PRECHARGE_CMD (1<<CTL_PRECHARGE_CMD_SHIFT)
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/* Field definitions for config register 1 */
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#define CFG1_SRD2RWP_SHIFT 28
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#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__ */
|