4 * Prototypes, etc. for the Motorola MPC8220
7 * 2004 (c) Freescale, Inc.
8 * Author: TsiChung Liew <Tsi-Chung.Liew@freescale.com>
10 * See file CREDITS for list of people who contributed to this
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License as
15 * published by the Free Software Foundation; either version 2 of
16 * the License, or (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
32 #if defined(CONFIG_MPC8220)
33 #define CPU_ID_STR "MPC8220"
36 /* Exception offsets (PowerPC standard) */
37 #define EXC_OFF_SYS_RESET 0x0100
39 /* Internal memory map */
40 /* MPC8220 Internal Register MMAP */
41 #define MMAP_MBAR (CFG_MBAR + 0x00000000) /* chip selects */
42 #define MMAP_MEMCTL (CFG_MBAR + 0x00000100) /* sdram controller */
43 #define MMAP_XLBARB (CFG_MBAR + 0x00000200) /* xlb arbitration control */
44 #define MMAP_CDM (CFG_MBAR + 0x00000300) /* clock distribution module */
45 #define MMAP_VDOPLL (CFG_MBAR + 0x00000400) /* video PLL */
46 #define MMAP_FB (CFG_MBAR + 0x00000500) /* flex bus controller */
47 #define MMAP_PCFG (CFG_MBAR + 0x00000600) /* port config */
48 #define MMAP_ICTL (CFG_MBAR + 0x00000700) /* interrupt controller */
49 #define MMAP_GPTMR (CFG_MBAR + 0x00000800) /* general purpose timers */
50 #define MMAP_SLTMR (CFG_MBAR + 0x00000900) /* slice timers */
51 #define MMAP_GPIO (CFG_MBAR + 0x00000A00) /* gpio module */
52 #define MMAP_XCPCI (CFG_MBAR + 0x00000B00) /* pci controller */
53 #define MMAP_PCIARB (CFG_MBAR + 0x00000C00) /* pci arbiter */
54 #define MMAP_EXTDMA1 (CFG_MBAR + 0x00000D00) /* external dma1 */
55 #define MMAP_EXTDMA2 (CFG_MBAR + 0x00000E00) /* external dma1 */
56 #define MMAP_USBH (CFG_MBAR + 0x00001000) /* usb host */
57 #define MMAP_CMTMR (CFG_MBAR + 0x00007f00) /* comm timers */
58 #define MMAP_DMA (CFG_MBAR + 0x00008000) /* dma */
59 #define MMAP_USBD (CFG_MBAR + 0x00008200) /* usb device */
60 #define MMAP_COMMPCI (CFG_MBAR + 0x00008400) /* pci comm Bus regs */
61 #define MMAP_1284 (CFG_MBAR + 0x00008500) /* 1284 */
62 #define MMAP_PEV (CFG_MBAR + 0x00008600) /* print engine video */
63 #define MMAP_PSC1 (CFG_MBAR + 0x00008800) /* psc1 block */
64 #define MMAP_I2C (CFG_MBAR + 0x00008f00) /* i2c controller */
65 #define MMAP_FEC1 (CFG_MBAR + 0x00009000) /* fast ethernet 1 */
66 #define MMAP_FEC2 (CFG_MBAR + 0x00009800) /* fast ethernet 2 */
67 #define MMAP_JBIGRAM (CFG_MBAR + 0x0000a000) /* jbig RAM */
68 #define MMAP_JBIG (CFG_MBAR + 0x0000c000) /* jbig */
69 #define MMAP_PDLA (CFG_MBAR + 0x00010000) /* */
70 #define MMAP_SRAMCFG (CFG_MBAR + 0x0001ff00) /* SRAM config */
71 #define MMAP_SRAM (CFG_MBAR + 0x00020000) /* SRAM */
73 #define SRAM_SIZE 0x8000 /* 32 KB */
75 /* ------------------------------------------------------------------------ */
77 * Macro for Programmable Serial Channel
79 /* equates for mode reg. 1 for channel A or B */
80 #define PSC_MR1_RX_RTS 0x80000000 /* receiver RTS enabled */
81 #define PSC_MR1_RX_INT 0x40000000 /* receiver intrupt enabled */
82 #define PSC_MR1_ERR_MODE 0x20000000 /* block error mode */
83 #define PSC_MR1_PAR_MODE_MULTI 0x18000000 /* multi_drop mode */
84 #define PSC_MR1_NO_PARITY 0x10000000 /* no parity mode */
85 #define PSC_MR1_ALWAYS_0 0x08000000 /* force parity mode */
86 #define PSC_MR1_ALWAYS_1 0x0c000000 /* force parity mode */
87 #define PSC_MR1_EVEN_PARITY 0x00000000 /* parity mode */
88 #define PSC_MR1_ODD_PARITY 0x04000000 /* 0 = even, 1 = odd */
89 #define PSC_MR1_BITS_CHAR_8 0x03000000 /* 8 bits */
90 #define PSC_MR1_BITS_CHAR_7 0x02000000 /* 7 bits */
91 #define PSC_MR1_BITS_CHAR_6 0x01000000 /* 6 bits */
92 #define PSC_MR1_BITS_CHAR_5 0x00000000 /* 5 bits */
94 /* equates for mode reg. 2 for channel A or B */
95 #define PSC_MR2_NORMAL_MODE 0x00000000 /* normal channel mode */
96 #define PSC_MR2_AUTO_MODE 0x40000000 /* automatic channel mode */
97 #define PSC_MR2_LOOPBACK_LOCL 0x80000000 /* local loopback channel mode */
98 #define PSC_MR2_LOOPBACK_REMT 0xc0000000 /* remote loopback channel mode */
99 #define PSC_MR2_TX_RTS 0x20000000 /* transmitter RTS enabled */
100 #define PSC_MR2_TX_CTS 0x10000000 /* transmitter CTS enabled */
101 #define PSC_MR2_STOP_BITS_2 0x0f000000 /* 2 stop bits */
102 #define PSC_MR2_STOP_BITS_1 0x07000000 /* 1 stop bit */
104 /* equates for status reg. A or B */
105 #define PSC_SR_BREAK 0x80000000 /* received break */
106 #define PSC_SR_NEOF PSC_SR_BREAK /* Next byte is EOF - MIR/FIR */
107 #define PSC_SR_FRAMING 0x40000000 /* framing error */
108 #define PSC_SR_PHYERR PSC_SR_FRAMING/* Physical Layer error - MIR/FIR */
109 #define PSC_SR_PARITY 0x20000000 /* parity error */
110 #define PSC_SR_CRCERR PSC_SR_PARITY /* CRC error */
111 #define PSC_SR_OVERRUN 0x10000000 /* overrun error */
112 #define PSC_SR_TXEMT 0x08000000 /* transmitter empty */
113 #define PSC_SR_TXRDY 0x04000000 /* transmitter ready*/
114 #define PSC_SR_FFULL 0x02000000 /* fifo full */
115 #define PSC_SR_RXRDY 0x01000000 /* receiver ready */
116 #define PSC_SR_DEOF 0x00800000 /* Detect EOF or RX-FIFO contain EOF */
117 #define PSC_SR_ERR 0x00400000 /* Error Status including FIFO */
119 /* equates for clock select reg. */
120 #define PSC_CSRX16EXT_CLK 0x1110 /* x 16 ext_clock */
121 #define PSC_CSRX1EXT_CLK 0x1111 /* x 1 ext_clock */
123 /* equates for command reg. A or B */
124 #define PSC_CR_NO_COMMAND 0x00000000 /* no command */
125 #define PSC_CR_RST_MR_PTR_CMD 0x10000000 /* reset mr pointer command */
126 #define PSC_CR_RST_RX_CMD 0x20000000 /* reset receiver command */
127 #define PSC_CR_RST_TX_CMD 0x30000000 /* reset transmitter command */
128 #define PSC_CR_RST_ERR_STS_CMD 0x40000000 /* reset error status cmnd */
129 #define PSC_CR_RST_BRK_INT_CMD 0x50000000 /* reset break int. command */
130 #define PSC_CR_STR_BREAK_CMD 0x60000000 /* start break command */
131 #define PSC_CR_STP_BREAK_CMD 0x70000000 /* stop break command */
132 #define PSC_CR_RX_ENABLE 0x01000000 /* receiver enabled */
133 #define PSC_CR_RX_DISABLE 0x02000000 /* receiver disabled */
134 #define PSC_CR_TX_ENABLE 0x04000000 /* transmitter enabled */
135 #define PSC_CR_TX_DISABLE 0x08000000 /* transmitter disabled */
137 /* equates for input port change reg. */
138 #define PSC_IPCR_SYNC 0x80000000 /* Sync Detect */
139 #define PSC_IPCR_D_CTS 0x10000000 /* Delta CTS */
140 #define PSC_IPCR_CTS 0x01000000 /* CTS - current state of PSC_CTS */
142 /* equates for auxiliary control reg. (timer and counter clock selects) */
143 #define PSC_ACR_BRG 0x80000000 /* for 68681 compatibility
146 equates are set 2 ONLY */
147 #define PSC_ACR_TMR_EXT_CLK_16 0x70000000 /* xtnl clock divided by 16 */
148 #define PSC_ACR_TMR_EXT_CLK 0x60000000 /* external clock */
149 #define PSC_ACR_TMR_IP2_16 0x50000000 /* ip2 divided by 16 */
150 #define PSC_ACR_TMR_IP2 0x40000000 /* ip2 */
151 #define PSC_ACR_CTR_EXT_CLK_16 0x30000000 /* xtnl clock divided by 16 */
152 #define PSC_ACR_CTR_TXCB 0x20000000 /* channel B xmitr clock */
153 #define PSC_ACR_CTR_TXCA 0x10000000 /* channel A xmitr clock */
154 #define PSC_ACR_CTR_IP2 0x00000000 /* ip2 */
155 #define PSC_ACR_IEC0 0x01000000 /* interrupt enable ctrl for D_CTS */
157 /* equates for int. status reg. */
158 #define PSC_ISR_IPC 0x80000000 /* input port change*/
159 #define PSC_ISR_BREAK 0x04000000 /* delta break */
160 #define PSC_ISR_RX_RDY 0x02000000 /* receiver rdy /fifo full */
161 #define PSC_ISR_TX_RDY 0x01000000 /* transmitter ready */
162 #define PSC_ISR_DEOF 0x00800000 /* Detect EOF / RX-FIFO contains EOF */
163 #define PSC_ISR_ERR 0x00400000 /* Error Status including FIFO */
165 /* equates for int. mask reg. */
166 #define PSC_IMR_CLEAR 0xff000000 /* Clear the imr */
167 #define PSC_IMR_IPC 0x80000000 /* input port change*/
168 #define PSC_IMR_BREAK 0x04000000 /* delta break */
169 #define PSC_IMR_RX_RDY 0x02000000 /* rcvr ready / fifo full */
170 #define PSC_IMR_TX_RDY 0x01000000 /* transmitter ready */
171 #define PSC_IMR_DEOF 0x00800000 /* Detect EOF / RX-FIFO contains EOF */
172 #define PSC_IMR_ERR 0x00400000 /* Error Status including FIFO */
174 /* equates for input port reg. */
175 #define PSC_IP_LPWRB 0x80000000 /* Low power mode in Ac97 */
176 #define PSC_IP_TGL 0x40000000 /* test usage */
177 #define PSC_IP_CTS 0x01000000 /* CTS */
179 /* equates for output port bit set reg. */
180 #define PSC_OPSET_RTS 0x01000000 /* Assert PSC_RTS output */
182 /* equates for output port bit reset reg. */
183 #define PSC_OPRESET_RTS 0x01000000 /* Assert PSC_RTS output */
185 /* equates for rx FIFO number of data reg. */
186 #define PSC_RFNUM(x) ((x&0xff)<<24)/* receive count */
188 /* equates for tx FIFO number of data reg. */
189 #define PSC_TFNUM(x) ((x&0xff)<<24)/* receive count */
191 /* equates for rx FIFO status reg */
192 #define PSC_RFSTAT_TAG(x) ((x&3)<<28) /* tag */
193 #define PSC_RFSTAT_FRAME0 0x08 /* Frame Indicator 0 */
194 #define PSC_RFSTAT_FRAME1 0x04 /* Frame Indicator 1 */
195 #define PSC_RFSTAT_FRAME2 0x02 /* Frame Indicator 2 */
196 #define PSC_RFSTAT_FRAME3 0x01 /* Frame Indicator 3 */
197 #define PSC_RFSTAT_FRAME(x) ((x&0x0f)<<24)/* Frame indicator */
198 #define PSC_RFSTAT_ERR 0x00400000 /* Fifo err */
199 #define PSC_RFSTAT_UF 0x00200000 /* Underflow */
200 #define PSC_RFSTAT_OF 0x00100000 /* overflow */
201 #define PSC_RFSTAT_FR 0x00080000 /* frame ready */
202 #define PSC_RFSTAT_FULL 0x00040000 /* full */
203 #define PSC_RFSTAT_ALARM 0x00020000 /* alarm */
204 #define PSC_RFSTAT_EMPTY 0x00010000 /* empty */
206 /* equates for tx FIFO status reg */
207 #define PSC_TFSTAT_TAG(x) ((x&3)<<28) /* tag */
208 #define PSC_TFSTAT_FRAME0 0x08 /* Frame Indicator 0 */
209 #define PSC_TFSTAT_FRAME1 0x04 /* Frame Indicator 1 */
210 #define PSC_TFSTAT_FRAME2 0x02 /* Frame Indicator 2 */
211 #define PSC_TFSTAT_FRAME3 0x01 /* Frame Indicator 3 */
212 #define PSC_TFSTAT_FRAME(x) ((x&0x0f)<<24)/* Frame indicator */
213 #define PSC_TFSTAT_ERR 0x00400000 /* Fifo err */
214 #define PSC_TFSTAT_UF 0x00200000 /* Underflow */
215 #define PSC_TFSTAT_OF 0x00100000 /* overflow */
216 #define PSC_TFSTAT_FR 0x00080000 /* frame ready */
217 #define PSC_TFSTAT_FULL 0x00040000 /* full */
218 #define PSC_TFSTAT_ALARM 0x00020000 /* alarm */
219 #define PSC_TFSTAT_EMPTY 0x00010000 /* empty */
221 /* equates for rx FIFO control reg. */
222 #define PSC_RFCNTL_WTAG(x) ((x&3)<<29) /* Write tag */
223 #define PSC_RFCNTL_FRAME 0x08000000 /* Frame mode enable */
224 #define PSC_RFCNTL_GR(x) ((x&7)<<24) /* Granularity */
226 /* equates for tx FIFO control reg. */
227 #define PSC_TFCNTL_WTAG(x) ((x&3)<<29) /* Write tag */
228 #define PSC_TFCNTL_FRAME 0x08000000 /* Frame mode enable */
229 #define PSC_TFCNTL_GR(x) ((x&7)<<24) /* Granularity */
231 /* equates for rx FIFO alarm reg */
232 #define PSC_RFALARM(x) (x&0x1ff) /* Alarm */
234 /* equates for tx FIFO alarm reg */
235 #define PSC_TFALARM(x) (x&0x1ff) /* Alarm */
237 /* equates for rx FIFO read pointer */
238 #define PSC_RFRPTR(x) (x&0x1ff) /* read pointer */
240 /* equates for tx FIFO read pointer */
241 #define PSC_TFRPTR(x) (x&0x1ff) /* read pointer */
243 /* equates for rx FIFO write pointer */
244 #define PSC_RFWPTR(x) (x&0x1ff) /* write pointer */
246 /* equates for rx FIFO write pointer */
247 #define PSC_TFWPTR(x) (x&0x1ff) /* write pointer */
249 /* equates for rx FIFO last read frame pointer reg */
250 #define PSC_RFLRFPTR(x) (x&0x1ff) /* last read frame pointer */
252 /* equates for tx FIFO last read frame pointer reg */
253 #define PSC_TFLRFPTR(x) (x&0x1ff) /* last read frame pointer */
255 /* equates for rx FIFO last write frame pointer reg */
256 #define PSC_RFLWFPTR(x) (x&0x1ff) /* last write frame pointer */
258 /* equates for tx FIFO last write frame pointer reg */
259 #define PSC_TFLWFPTR(x) (x&0x1ff) /* last write frame pointer */
261 /* PCI configuration (only for PLL determination)*/
262 #define PCI_REG_PCIGSCR (MMAP_XCPCI + 0x60) /* Global status/control register */
263 #define PCI_REG_PCIGSCR_PCI2XLB_CLK_MASK 0x07000000
264 #define PCI_REG_PCIGSCR_PCI2XLB_CLK_BIT 24
266 #define PCI_REG_PCICAR (MMAP_XCPCI + 0xF8) /* Configuration Address Register */
268 /* ------------------------------------------------------------------------ */
270 * Macro for General Purpose Timer
272 /* Enable and Mode Select */
273 #define GPT_OCT(x) (x & 0x3)<<4/* Output Compare Type */
274 #define GPT_ICT(x) (x & 0x3) /* Input Capture Type */
275 #define GPT_CTRL_WDEN 0x80 /* Watchdog Enable */
276 #define GPT_CTRL_CE 0x10 /* Counter Enable */
277 #define GPT_CTRL_STPCNT 0x04 /* Stop continous */
278 #define GPT_CTRL_ODRAIN 0x02 /* Open Drain */
279 #define GPT_CTRL_INTEN 0x01 /* Interrupt Enable */
280 #define GPT_MODE_GPIO(x) (x & 0x3)<<4/* Gpio Mode Type */
281 #define GPT_TMS_ICT 0x01 /* Input Capture Enable */
282 #define GPT_TMS_OCT 0x02 /* Output Capture Enable */
283 #define GPT_TMS_PWM 0x03 /* PWM Capture Enable */
284 #define GPT_TMS_SGPIO 0x04 /* PWM Capture Enable */
286 #define GPT_PWM_WIDTH(x) (x & 0xffff)
289 #define GPT_STA_CAPTURE(x) (x & 0xffff)/* Read of internal counter */
291 #define GPT_OVFPIN_OVF(x) (x & 0x70) /* Internal counter roll over */
292 #define GPT_OVFPIN_PIN 0x01 /* Input pin - Timer 0 and 1 */
294 #define GPT_INT_TEXP 0x08 /* Timer Expired in Internal Timer mode */
295 #define GPT_INT_PWMP 0x04 /* PWM end of period occurred */
296 #define GPT_INT_COMP 0x02 /* OC reference event occurred */
297 #define GPT_INT_CAPT 0x01 /* IC reference event occurred */
299 /* ------------------------------------------------------------------------ */
303 #define CFG_FEC1_PORT0_CONFIG 0x00000000
304 #define CFG_FEC1_PORT1_CONFIG 0x00000000
305 #define CFG_1284_PORT0_CONFIG 0x00000000
306 #define CFG_1284_PORT1_CONFIG 0x00000000
307 #define CFG_FEC2_PORT2_CONFIG 0x00000000
308 #define CFG_PEV_PORT2_CONFIG 0x00000000
309 #define CFG_GP0_PORT0_CONFIG 0x00000000
310 #define CFG_GP1_PORT2_CONFIG 0xaaaaaac0
311 #define CFG_PSC_PORT3_CONFIG 0x00020000
312 #define CFG_CS1_PORT3_CONFIG 0x00000000
313 #define CFG_CS2_PORT3_CONFIG 0x10000000
314 #define CFG_CS3_PORT3_CONFIG 0x40000000
315 #define CFG_CS4_PORT3_CONFIG 0x00000400
316 #define CFG_CS5_PORT3_CONFIG 0x00000200
317 #define CFG_PCI_PORT3_CONFIG 0x01400180
318 #define CFG_I2C_PORT3_CONFIG 0x00000000
319 #define CFG_GP2_PORT3_CONFIG 0x000200a0
321 /* ------------------------------------------------------------------------ */
326 /* Field definitions for the control register */
327 #define CTL_MODE_ENABLE_SHIFT 31
328 #define CTL_CKE_SHIFT 30
329 #define CTL_DDR_SHIFT 29
330 #define CTL_REFRESH_SHIFT 28
331 #define CTL_ADDRMUX_SHIFT 24
332 #define CTL_PRECHARGE_SHIFT 23
333 #define CTL_DRIVE_RULE_SHIFT 22
334 #define CTL_REFRESH_INTERVAL_SHIFT 16
335 #define CTL_DQSOEN_SHIFT 8
336 #define CTL_BUFFERED_SHIFT 4
337 #define CTL_REFRESH_CMD_SHIFT 2
338 #define CTL_PRECHARGE_CMD_SHIFT 1
340 #define CTL_MODE_ENABLE (1<<CTL_MODE_ENABLE_SHIFT)
341 #define CTL_CKE_HIGH (1<<CTL_CKE_SHIFT)
342 #define CTL_DDR_MODE (1<<CTL_DDR_SHIFT)
343 #define CTL_REFRESH_ENABLE (1<<CTL_REFRESH_SHIFT)
344 #define CTL_ADDRMUX(value) ((value)<<CTL_ADDRMUX_SHIFT)
345 #define CTL_A8PRECHARGE (1<<CTL_PRECHARGE_SHIFT)
346 #define CTL_REFRESH_INTERVAL(value) ((value)<<CTL_REFRESH_INTERVAL_SHIFT)
347 #define CTL_DQSOEN(value) ((value)<<CTL_DQSOEN_SHIFT)
348 #define CTL_BUFFERED (1<<CTL_BUFFERED_SHIFT)
349 #define CTL_REFRESH_CMD (1<<CTL_REFRESH_CMD_SHIFT)
350 #define CTL_PRECHARGE_CMD (1<<CTL_PRECHARGE_CMD_SHIFT)
352 /* Field definitions for config register 1 */
354 #define CFG1_SRD2RWP_SHIFT 28
355 #define CFG1_SWT2RWP_SHIFT 24
356 #define CFG1_RLATENCY_SHIFT 20
357 #define CFG1_ACT2WR_SHIFT 16
358 #define CFG1_PRE2ACT_SHIFT 12
359 #define CFG1_REF2ACT_SHIFT 8
360 #define CFG1_WLATENCY_SHIFT 4
362 #define CFG1_SRD2RWP(value) ((value)<<CFG1_SRD2RWP_SHIFT)
363 #define CFG1_SWT2RWP(value) ((value)<<CFG1_SWT2RWP_SHIFT)
364 #define CFG1_RLATENCY(value) ((value)<<CFG1_RLATENCY_SHIFT)
365 #define CFG1_ACT2WR(value) ((value)<<CFG1_ACT2WR_SHIFT)
366 #define CFG1_PRE2ACT(value) ((value)<<CFG1_PRE2ACT_SHIFT)
367 #define CFG1_REF2ACT(value) ((value)<<CFG1_REF2ACT_SHIFT)
368 #define CFG1_WLATENCY(value) ((value)<<CFG1_WLATENCY_SHIFT)
370 /* Field definitions for config register 2 */
371 #define CFG2_BRD2RP_SHIFT 28
372 #define CFG2_BWT2RWP_SHIFT 24
373 #define CFG2_BRD2WT_SHIFT 20
374 #define CFG2_BURSTLEN_SHIFT 16
376 #define CFG2_BRD2RP(value) ((value)<<CFG2_BRD2RP_SHIFT)
377 #define CFG2_BWT2RWP(value) ((value)<<CFG2_BWT2RWP_SHIFT)
378 #define CFG2_BRD2WT(value) ((value)<<CFG2_BRD2WT_SHIFT)
379 #define CFG2_BURSTLEN(value) ((value)<<CFG2_BURSTLEN_SHIFT)
381 /* Field definitions for the mode/extended mode register - mode
384 #define MODE_REG_SHIFT 30
385 #define MODE_OPMODE_SHIFT 25
386 #define MODE_CL_SHIFT 22
387 #define MODE_BT_SHIFT 21
388 #define MODE_BURSTLEN_SHIFT 18
389 #define MODE_CMD_SHIFT 16
392 #define MODE_OPMODE(value) ((value)<<MODE_OPMODE_SHIFT)
393 #define MODE_CL(value) ((value)<<MODE_CL_SHIFT)
394 #define MODE_BT_INTERLEAVED (1<<MODE_BT_SHIFT)
395 #define MODE_BT_SEQUENTIAL (0<<MODE_BT_SHIFT)
396 #define MODE_BURSTLEN(value) ((value)<<MODE_BURSTLEN_SHIFT)
397 #define MODE_CMD (1<<MODE_CMD_SHIFT)
399 #define MODE_BURSTLEN_8 3
400 #define MODE_BURSTLEN_4 2
401 #define MODE_BURSTLEN_2 1
404 #define MODE_CL_2p5 6
405 #define MODE_OPMODE_NORMAL 0
406 #define MODE_OPMODE_RESETDLL 2
409 /* Field definitions for the mode/extended mode register - extended
410 * mode register access
412 #define MODE_X_DLL_SHIFT 18 /* DLL enable/disable */
413 #define MODE_X_DS_SHIFT 19 /* Drive strength normal/reduced */
414 #define MODE_X_QFC_SHIFT 20 /* QFC function (whatever that is) */
415 #define MODE_X_OPMODE_SHIFT 21
417 #define MODE_EXTENDED (1<<MODE_REG_SHIFT)
418 #define MODE_X_DLL_ENABLE 0
419 #define MODE_X_DLL_DISABLE (1<<MODE_X_DLL_SHIFT)
420 #define MODE_X_DS_NORMAL 0
421 #define MODE_X_DS_REDUCED (1<<MODE_X_DS_SHIFT)
422 #define MODE_X_QFC_DISABLED 0
423 #define MODE_X_OPMODE(value) ((value)<<MODE_X_OPMODE_SHIFT)
427 * DMA control/status registers.
430 u32 taskBar; /* DMA + 0x00 */
431 u32 currentPointer; /* DMA + 0x04 */
432 u32 endPointer; /* DMA + 0x08 */
433 u32 variablePointer;/* DMA + 0x0c */
435 u8 IntVect1; /* DMA + 0x10 */
436 u8 IntVect2; /* DMA + 0x11 */
437 u16 PtdCntrl; /* DMA + 0x12 */
439 u32 IntPend; /* DMA + 0x14 */
440 u32 IntMask; /* DMA + 0x18 */
442 u16 tcr_0; /* DMA + 0x1c */
443 u16 tcr_1; /* DMA + 0x1e */
444 u16 tcr_2; /* DMA + 0x20 */
445 u16 tcr_3; /* DMA + 0x22 */
446 u16 tcr_4; /* DMA + 0x24 */
447 u16 tcr_5; /* DMA + 0x26 */
448 u16 tcr_6; /* DMA + 0x28 */
449 u16 tcr_7; /* DMA + 0x2a */
450 u16 tcr_8; /* DMA + 0x2c */
451 u16 tcr_9; /* DMA + 0x2e */
452 u16 tcr_a; /* DMA + 0x30 */
453 u16 tcr_b; /* DMA + 0x32 */
454 u16 tcr_c; /* DMA + 0x34 */
455 u16 tcr_d; /* DMA + 0x36 */
456 u16 tcr_e; /* DMA + 0x38 */
457 u16 tcr_f; /* DMA + 0x3a */
459 u8 IPR0; /* DMA + 0x3c */
460 u8 IPR1; /* DMA + 0x3d */
461 u8 IPR2; /* DMA + 0x3e */
462 u8 IPR3; /* DMA + 0x3f */
463 u8 IPR4; /* DMA + 0x40 */
464 u8 IPR5; /* DMA + 0x41 */
465 u8 IPR6; /* DMA + 0x42 */
466 u8 IPR7; /* DMA + 0x43 */
467 u8 IPR8; /* DMA + 0x44 */
468 u8 IPR9; /* DMA + 0x45 */
469 u8 IPR10; /* DMA + 0x46 */
470 u8 IPR11; /* DMA + 0x47 */
471 u8 IPR12; /* DMA + 0x48 */
472 u8 IPR13; /* DMA + 0x49 */
473 u8 IPR14; /* DMA + 0x4a */
474 u8 IPR15; /* DMA + 0x4b */
475 u8 IPR16; /* DMA + 0x4c */
476 u8 IPR17; /* DMA + 0x4d */
477 u8 IPR18; /* DMA + 0x4e */
478 u8 IPR19; /* DMA + 0x4f */
479 u8 IPR20; /* DMA + 0x50 */
480 u8 IPR21; /* DMA + 0x51 */
481 u8 IPR22; /* DMA + 0x52 */
482 u8 IPR23; /* DMA + 0x53 */
483 u8 IPR24; /* DMA + 0x54 */
484 u8 IPR25; /* DMA + 0x55 */
485 u8 IPR26; /* DMA + 0x56 */
486 u8 IPR27; /* DMA + 0x57 */
487 u8 IPR28; /* DMA + 0x58 */
488 u8 IPR29; /* DMA + 0x59 */
489 u8 IPR30; /* DMA + 0x5a */
490 u8 IPR31; /* DMA + 0x5b */
492 u32 res1; /* DMA + 0x5c */
493 u32 res2; /* DMA + 0x60 */
494 u32 res3; /* DMA + 0x64 */
495 u32 MDEDebug; /* DMA + 0x68 */
496 u32 ADSDebug; /* DMA + 0x6c */
497 u32 Value1; /* DMA + 0x70 */
498 u32 Value2; /* DMA + 0x74 */
499 u32 Control; /* DMA + 0x78 */
500 u32 Status; /* DMA + 0x7c */
501 u32 EU00; /* DMA + 0x80 */
502 u32 EU01; /* DMA + 0x84 */
503 u32 EU02; /* DMA + 0x88 */
504 u32 EU03; /* DMA + 0x8c */
505 u32 EU04; /* DMA + 0x90 */
506 u32 EU05; /* DMA + 0x94 */
507 u32 EU06; /* DMA + 0x98 */
508 u32 EU07; /* DMA + 0x9c */
509 u32 EU10; /* DMA + 0xa0 */
510 u32 EU11; /* DMA + 0xa4 */
511 u32 EU12; /* DMA + 0xa8 */
512 u32 EU13; /* DMA + 0xac */
513 u32 EU14; /* DMA + 0xb0 */
514 u32 EU15; /* DMA + 0xb4 */
515 u32 EU16; /* DMA + 0xb8 */
516 u32 EU17; /* DMA + 0xbc */
517 u32 EU20; /* DMA + 0xc0 */
518 u32 EU21; /* DMA + 0xc4 */
519 u32 EU22; /* DMA + 0xc8 */
520 u32 EU23; /* DMA + 0xcc */
521 u32 EU24; /* DMA + 0xd0 */
522 u32 EU25; /* DMA + 0xd4 */
523 u32 EU26; /* DMA + 0xd8 */
524 u32 EU27; /* DMA + 0xdc */
525 u32 EU30; /* DMA + 0xe0 */
526 u32 EU31; /* DMA + 0xe4 */
527 u32 EU32; /* DMA + 0xe8 */
528 u32 EU33; /* DMA + 0xec */
529 u32 EU34; /* DMA + 0xf0 */
530 u32 EU35; /* DMA + 0xf4 */
531 u32 EU36; /* DMA + 0xf8 */
532 u32 EU37; /* DMA + 0xfc */
536 * PCI Header Registers
538 typedef struct mpc8220_xcpci {
539 u32 dev_ven_id; /* 0xb00 - device/vendor ID */
540 u32 stat_cmd_reg; /* 0xb04 - status command register */
541 u32 class_code_rev_id; /* 0xb08 - class code / revision ID */
542 u32 bist_htyp_lat_cshl; /* 0xb0c - BIST/HeaderType/Latency/cache line */
543 u32 base0; /* 0xb10 - base address 0 */
544 u32 base1; /* 0xb14 - base address 1 */
545 u32 reserved1[4]; /* 0xb18->0xd27 - base address 2 - 5 */
546 u32 cis; /* 0xb28 - cardBus CIS pointer */
547 u32 sub_sys_ven_id; /* 0xb2c - sub system ID/ subsystem vendor ID */
548 u32 reserved2; /* 0xb30 - expansion ROM base address */
549 u32 reserved3; /* 0xb00 - reserved */
550 u32 reserved4; /* 0xb00 - reserved */
551 u32 mlat_mgnt_ipl; /* 0xb3c - MaxLat/MinGnt/ int pin/int line */
553 /* MPC8220 specific - not accessible in PCI header space externally */
554 u32 glb_stat_ctl; /* 0xb60 - Global Status Control */
555 u32 target_bar0; /* 0xb64 - Target Base Address 0 */
556 u32 target_bar1; /* 0xb68 - Target Base Address 1 */
557 u32 target_ctrl; /* 0xb6c - Target Control */
558 u32 init_win0; /* 0xb70 - Initiator Window 0 Base/Translation */
559 u32 init_win1; /* 0xb74 - Initiator Window 1 Base/Translation */
560 u32 init_win2; /* 0xb78 - Initiator Window 2 Base/Translation */
561 u32 reserved6; /* 0xb7c - reserved */
562 u32 init_win_cfg; /* 0xb80 */
563 u32 init_ctrl; /* 0xb84 */
564 u32 init_stat; /* 0xb88 */
566 u32 cfg_adr; /* 0xbf8 */
570 /* PCI->XLB space translation (MPC8220 target), reg0 can address max 256MB,
572 #define PCI_BASE_ADDR_REG0 0x40000000
573 #define PCI_BASE_ADDR_REG1 (CFG_SDRAM_BASE)
574 #define PCI_TARGET_BASE_ADDR_REG0 (CFG_MBAR)
575 #define PCI_TARGET_BASE_ADDR_REG1 (CFG_SDRAM_BASE)
576 #define PCI_TARGET_BASE_ADDR_EN 1<<0
579 /* PCI Global Status/Control Register (PCIGSCR) */
580 #define PCI_GLB_STAT_CTRL_PE_SHIFT 29
581 #define PCI_GLB_STAT_CTRL_SE_SHIFT 28
582 #define PCI_GLB_STAT_CTRL_XLB_TO_PCI_CLK_SHIFT 24
583 #define PCI_GLB_STAT_CTRL_XLB_TO_PCI_CLK_MASK 0x7
584 #define PCI_GLB_STAT_CTRL_IPG_TO_PCI_CLK_SHIFT 16
585 #define PCI_GLB_STAT_CTRL_IPG_TO_PCI_CLK_MASK 0x7
586 #define PCI_GLB_STAT_CTRL_PEE_SHIFT 13
587 #define PCI_GLB_STAT_CTRL_SEE_SHIFT 12
588 #define PCI_GLB_STAT_CTRL_PR_SHIFT 0
590 #define PCI_GLB_STAT_CTRL_PE (1<<PCI_GLB_STAT_CTRL_PE_SHIFT)
591 #define PCI_GLB_STAT_CTRL_SE (1<<PCI_GLB_STAT_CTRL_SE_SHIFT)
592 #define PCI_GLB_STAT_CTRL_PEE (1<<PCI_GLB_STAT_CTRL_PEE_SHIFT)
593 #define PCI_GLB_STAT_CTRL_SEE (1<<PCI_GLB_STAT_CTRL_SEE_SHIFT)
594 #define PCI_GLB_STAT_CTRL_PR (1<<PCI_GLB_STAT_CTRL_PR_SHIFT)
596 /* PCI Target Control Register (PCITCR) */
597 #define PCI_TARGET_CTRL_LD_SHIFT 24
598 #define PCI_TARGET_CTRL_P_SHIFT 16
600 #define PCI_TARGET_CTRL_LD (1<<PCI_TARGET_CTRL_LD_SHIFT)
601 #define PCI_TARGET_CTRL_P (1<<PCI_TARGET_CTRL_P_SHIFT)
603 /* PCI Initiator Window Configuration Register (PCIIWCR) */
604 #define PCI_INIT_WIN_CFG_WIN0_CTRL_IO_SHIFT 27
605 #define PCI_INIT_WIN_CFG_WIN0_CTRL_PRC_SHIFT 25
606 #define PCI_INIT_WIN_CFG_WIN0_CTRL_PRC_MASK 0x3
607 #define PCI_INIT_WIN_CFG_WIN0_CTRL_EN_SHIFT 24
608 #define PCI_INIT_WIN_CFG_WIN1_CTRL_IO_SHIFT 19
609 #define PCI_INIT_WIN_CFG_WIN1_CTRL_PRC_SHIFT 17
610 #define PCI_INIT_WIN_CFG_WIN1_CTRL_PRC_MASK 0x3
611 #define PCI_INIT_WIN_CFG_WIN1_CTRL_EN_SHIFT 16
612 #define PCI_INIT_WIN_CFG_WIN2_CTRL_IO_SHIFT 11
613 #define PCI_INIT_WIN_CFG_WIN2_CTRL_PRC_SHIFT 9
614 #define PCI_INIT_WIN_CFG_WIN2_CTRL_PRC_MASK 0x3
615 #define PCI_INIT_WIN_CFG_WIN2_CTRL_EN_SHIFT 8
617 #define PCI_INIT_WIN_CFG_WIN_MEM_READ 0x0
618 #define PCI_INIT_WIN_CFG_WIN_MEM_READ_LINE 0x1
619 #define PCI_INIT_WIN_CFG_WIN_MEM_READ_MULTIPLE 0x2
621 #define PCI_INIT_WIN_CFG_WIN0_CTRL_IO (1<<PCI_INIT_WIN_CFG_WIN0_CTRL_IO_SHIFT)
622 #define PCI_INIT_WIN_CFG_WIN0_CTRL_EN (1<<PCI_INIT_WIN_CFG_WIN0_CTRL_EN_SHIFT)
623 #define PCI_INIT_WIN_CFG_WIN1_CTRL_IO (1<<PCI_INIT_WIN_CFG_WIN1_CTRL_IO_SHIFT)
624 #define PCI_INIT_WIN_CFG_WIN1_CTRL_EN (1<<PCI_INIT_WIN_CFG_WIN1_CTRL_EN_SHIFT)
625 #define PCI_INIT_WIN_CFG_WIN2_CTRL_IO (1<<PCI_INIT_WIN_CFG_WIN2_CTRL_IO_SHIFT)
626 #define PCI_INIT_WIN_CFG_WIN2_CTRL_EN (1<<PCI_INIT_WIN_CFG_WIN2_CTRL_EN_SHIFT)
628 /* PCI Initiator Control Register (PCIICR) */
629 #define PCI_INIT_CTRL_REE_SHIFT 26
630 #define PCI_INIT_CTRL_IAE_SHIFT 25
631 #define PCI_INIT_CTRL_TAE_SHIFT 24
632 #define PCI_INIT_CTRL_MAX_RETRIES_SHIFT 0
633 #define PCI_INIT_CTRL_MAX_RETRIES_MASK 0xff
635 #define PCI_INIT_CTRL_REE (1<<PCI_INIT_CTRL_REE_SHIFT)
636 #define PCI_INIT_CTRL_IAE (1<<PCI_INIT_CTRL_IAE_SHIFT)
637 #define PCI_INIT_CTRL_TAE (1<<PCI_INIT_CTRL_TAE_SHIFT)
639 /* PCI Status/Command Register (PCISCR) - PCI Dword 1 */
640 #define PCI_STAT_CMD_PE_SHIFT 31
641 #define PCI_STAT_CMD_SE_SHIFT 30
642 #define PCI_STAT_CMD_MA_SHIFT 29
643 #define PCI_STAT_CMD_TR_SHIFT 28
644 #define PCI_STAT_CMD_TS_SHIFT 27
645 #define PCI_STAT_CMD_DT_SHIFT 25
646 #define PCI_STAT_CMD_DT_MASK 0x3
647 #define PCI_STAT_CMD_DP_SHIFT 24
648 #define PCI_STAT_CMD_FC_SHIFT 23
649 #define PCI_STAT_CMD_R_SHIFT 22
650 #define PCI_STAT_CMD_66M_SHIFT 21
651 #define PCI_STAT_CMD_C_SHIFT 20
652 #define PCI_STAT_CMD_F_SHIFT 9
653 #define PCI_STAT_CMD_S_SHIFT 8
654 #define PCI_STAT_CMD_ST_SHIFT 7
655 #define PCI_STAT_CMD_PER_SHIFT 6
656 #define PCI_STAT_CMD_V_SHIFT 5
657 #define PCI_STAT_CMD_MW_SHIFT 4
658 #define PCI_STAT_CMD_SP_SHIFT 3
659 #define PCI_STAT_CMD_B_SHIFT 2
660 #define PCI_STAT_CMD_M_SHIFT 1
661 #define PCI_STAT_CMD_IO_SHIFT 0
663 #define PCI_STAT_CMD_PE (1<<PCI_STAT_CMD_PE_SHIFT)
664 #define PCI_STAT_CMD_SE (1<<PCI_STAT_CMD_SE_SHIFT)
665 #define PCI_STAT_CMD_MA (1<<PCI_STAT_CMD_MA_SHIFT)
666 #define PCI_STAT_CMD_TR (1<<PCI_STAT_CMD_TR_SHIFT)
667 #define PCI_STAT_CMD_TS (1<<PCI_STAT_CMD_TS_SHIFT)
668 #define PCI_STAT_CMD_DP (1<<PCI_STAT_CMD_DP_SHIFT)
669 #define PCI_STAT_CMD_FC (1<<PCI_STAT_CMD_FC_SHIFT)
670 #define PCI_STAT_CMD_R (1<<PCI_STAT_CMD_R_SHIFT)
671 #define PCI_STAT_CMD_66M (1<<PCI_STAT_CMD_66M_SHIFT)
672 #define PCI_STAT_CMD_C (1<<PCI_STAT_CMD_C_SHIFT)
673 #define PCI_STAT_CMD_F (1<<PCI_STAT_CMD_F_SHIFT)
674 #define PCI_STAT_CMD_S (1<<PCI_STAT_CMD_S_SHIFT)
675 #define PCI_STAT_CMD_ST (1<<PCI_STAT_CMD_ST_SHIFT)
676 #define PCI_STAT_CMD_PER (1<<PCI_STAT_CMD_PER_SHIFT)
677 #define PCI_STAT_CMD_V (1<<PCI_STAT_CMD_V_SHIFT)
678 #define PCI_STAT_CMD_MW (1<<PCI_STAT_CMD_MW_SHIFT)
679 #define PCI_STAT_CMD_SP (1<<PCI_STAT_CMD_SP_SHIFT)
680 #define PCI_STAT_CMD_B (1<<PCI_STAT_CMD_B_SHIFT)
681 #define PCI_STAT_CMD_M (1<<PCI_STAT_CMD_M_SHIFT)
682 #define PCI_STAT_CMD_IO (1<<PCI_STAT_CMD_IO_SHIFT)
684 /* PCI Configuration 1 Register (PCICR1) - PCI Dword 3 */
685 #define PCI_CFG1_HT_SHIFT 16
686 #define PCI_CFG1_HT_MASK 0xff
687 #define PCI_CFG1_LT_SHIFT 8
688 #define PCI_CFG1_LT_MASK 0xff
689 #define PCI_CFG1_CLS_SHIFT 0
690 #define PCI_CFG1_CLS_MASK 0xf
692 /* function prototypes */
693 void loadtask(int basetask, int tasks);
696 #if defined(CONFIG_PSC_CONSOLE)
697 int psc_serial_init (void);
698 void psc_serial_putc(const char c);
699 void psc_serial_puts (const char *s);
700 int psc_serial_getc(void);
701 int psc_serial_tstc(void);
702 void psc_serial_setbrg(void);
705 #if defined (CONFIG_EXTUART_CONSOLE)
706 int ext_serial_init (void);
707 void ext_serial_putc(const char c);
708 void ext_serial_puts (const char *s);
709 int ext_serial_getc(void);
710 int ext_serial_tstc(void);
711 void ext_serial_setbrg(void);
714 #endif /* __ASSEMBLY__ */
716 #endif /* __MPC8220_H__ */