Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
au1000.h
Go to the documentation of this file.
1 /*
2  *
3  * BRIEF MODULE DESCRIPTION
4  * Include file for Alchemy Semiconductor's Au1k CPU.
5  *
6  * Copyright 2000-2001, 2006-2008 MontaVista Software Inc.
7  * Author: MontaVista Software, Inc. <[email protected]>
8  *
9  * This program is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU General Public License as published by the
11  * Free Software Foundation; either version 2 of the License, or (at your
12  * option) any later version.
13  *
14  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
15  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
17  * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
20  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  *
25  * You should have received a copy of the GNU General Public License along
26  * with this program; if not, write to the Free Software Foundation, Inc.,
27  * 675 Mass Ave, Cambridge, MA 02139, USA.
28  */
29 
30  /*
31  * some definitions add by [email protected] and [email protected]
32  */
33 
34 #ifndef _AU1000_H_
35 #define _AU1000_H_
36 
37 
38 #ifndef _LANGUAGE_ASSEMBLY
39 
40 #include <linux/delay.h>
41 #include <linux/types.h>
42 
43 #include <linux/io.h>
44 #include <linux/irq.h>
45 
46 /* cpu pipeline flush */
47 void static inline au_sync(void)
48 {
49  __asm__ volatile ("sync");
50 }
51 
52 void static inline au_sync_udelay(int us)
53 {
54  __asm__ volatile ("sync");
55  udelay(us);
56 }
57 
58 void static inline au_sync_delay(int ms)
59 {
60  __asm__ volatile ("sync");
61  mdelay(ms);
62 }
63 
64 void static inline au_writeb(u8 val, unsigned long reg)
65 {
66  *(volatile u8 *)reg = val;
67 }
68 
69 void static inline au_writew(u16 val, unsigned long reg)
70 {
71  *(volatile u16 *)reg = val;
72 }
73 
74 void static inline au_writel(u32 val, unsigned long reg)
75 {
76  *(volatile u32 *)reg = val;
77 }
78 
79 static inline u8 au_readb(unsigned long reg)
80 {
81  return *(volatile u8 *)reg;
82 }
83 
84 static inline u16 au_readw(unsigned long reg)
85 {
86  return *(volatile u16 *)reg;
87 }
88 
89 static inline u32 au_readl(unsigned long reg)
90 {
91  return *(volatile u32 *)reg;
92 }
93 
94 /* Early Au1000 have a write-only SYS_CPUPLL register. */
95 static inline int au1xxx_cpu_has_pll_wo(void)
96 {
97  switch (read_c0_prid()) {
98  case 0x00030100: /* Au1000 DA */
99  case 0x00030201: /* Au1000 HA */
100  case 0x00030202: /* Au1000 HB */
101  return 1;
102  }
103  return 0;
104 }
105 
106 /* does CPU need CONFIG[OD] set to fix tons of errata? */
107 static inline int au1xxx_cpu_needs_config_od(void)
108 {
109  /*
110  * c0_config.od (bit 19) was write only (and read as 0) on the
111  * early revisions of Alchemy SOCs. It disables the bus trans-
112  * action overlapping and needs to be set to fix various errata.
113  */
114  switch (read_c0_prid()) {
115  case 0x00030100: /* Au1000 DA */
116  case 0x00030201: /* Au1000 HA */
117  case 0x00030202: /* Au1000 HB */
118  case 0x01030200: /* Au1500 AB */
119  /*
120  * Au1100/Au1200 errata actually keep silence about this bit,
121  * so we set it just in case for those revisions that require
122  * it to be set according to the (now gone) cpu_table.
123  */
124  case 0x02030200: /* Au1100 AB */
125  case 0x02030201: /* Au1100 BA */
126  case 0x02030202: /* Au1100 BC */
127  case 0x04030201: /* Au1200 AC */
128  return 1;
129  }
130  return 0;
131 }
132 
133 #define ALCHEMY_CPU_UNKNOWN -1
134 #define ALCHEMY_CPU_AU1000 0
135 #define ALCHEMY_CPU_AU1500 1
136 #define ALCHEMY_CPU_AU1100 2
137 #define ALCHEMY_CPU_AU1550 3
138 #define ALCHEMY_CPU_AU1200 4
139 #define ALCHEMY_CPU_AU1300 5
140 
141 static inline int alchemy_get_cputype(void)
142 {
143  switch (read_c0_prid() & 0xffff0000) {
144  case 0x00030000:
145  return ALCHEMY_CPU_AU1000;
146  break;
147  case 0x01030000:
148  return ALCHEMY_CPU_AU1500;
149  break;
150  case 0x02030000:
151  return ALCHEMY_CPU_AU1100;
152  break;
153  case 0x03030000:
154  return ALCHEMY_CPU_AU1550;
155  break;
156  case 0x04030000:
157  case 0x05030000:
158  return ALCHEMY_CPU_AU1200;
159  break;
160  case 0x800c0000:
161  return ALCHEMY_CPU_AU1300;
162  break;
163  }
164 
165  return ALCHEMY_CPU_UNKNOWN;
166 }
167 
168 /* return number of uarts on a given cputype */
169 static inline int alchemy_get_uarts(int type)
170 {
171  switch (type) {
172  case ALCHEMY_CPU_AU1000:
173  case ALCHEMY_CPU_AU1300:
174  return 4;
175  case ALCHEMY_CPU_AU1500:
176  case ALCHEMY_CPU_AU1200:
177  return 2;
178  case ALCHEMY_CPU_AU1100:
179  case ALCHEMY_CPU_AU1550:
180  return 3;
181  }
182  return 0;
183 }
184 
185 /* enable an UART block if it isn't already */
186 static inline void alchemy_uart_enable(u32 uart_phys)
187 {
188  void __iomem *addr = (void __iomem *)KSEG1ADDR(uart_phys);
189 
190  /* reset, enable clock, deassert reset */
191  if ((__raw_readl(addr + 0x100) & 3) != 3) {
192  __raw_writel(0, addr + 0x100);
193  wmb();
194  __raw_writel(1, addr + 0x100);
195  wmb();
196  }
197  __raw_writel(3, addr + 0x100);
198  wmb();
199 }
200 
201 static inline void alchemy_uart_disable(u32 uart_phys)
202 {
203  void __iomem *addr = (void __iomem *)KSEG1ADDR(uart_phys);
204  __raw_writel(0, addr + 0x100); /* UART_MOD_CNTRL */
205  wmb();
206 }
207 
208 static inline void alchemy_uart_putchar(u32 uart_phys, u8 c)
209 {
210  void __iomem *base = (void __iomem *)KSEG1ADDR(uart_phys);
211  int timeout, i;
212 
213  /* check LSR TX_EMPTY bit */
214  timeout = 0xffffff;
215  do {
216  if (__raw_readl(base + 0x1c) & 0x20)
217  break;
218  /* slow down */
219  for (i = 10000; i; i--)
220  asm volatile ("nop");
221  } while (--timeout);
222 
223  __raw_writel(c, base + 0x04); /* tx */
224  wmb();
225 }
226 
227 /* return number of ethernet MACs on a given cputype */
228 static inline int alchemy_get_macs(int type)
229 {
230  switch (type) {
231  case ALCHEMY_CPU_AU1000:
232  case ALCHEMY_CPU_AU1500:
233  case ALCHEMY_CPU_AU1550:
234  return 2;
235  case ALCHEMY_CPU_AU1100:
236  return 1;
237  }
238  return 0;
239 }
240 
241 /* arch/mips/au1000/common/clocks.c */
242 extern void set_au1x00_speed(unsigned int new_freq);
243 extern unsigned int get_au1x00_speed(void);
244 extern void set_au1x00_uart_baud_base(unsigned long new_baud_base);
245 extern unsigned long get_au1x00_uart_baud_base(void);
246 extern unsigned long au1xxx_calc_clock(void);
247 
248 /* PM: arch/mips/alchemy/common/sleeper.S, power.c, irq.c */
249 void alchemy_sleep_au1000(void);
250 void alchemy_sleep_au1550(void);
251 void alchemy_sleep_au1300(void);
252 void au_sleep(void);
253 
254 /* USB: drivers/usb/host/alchemy-common.c */
261 };
262 int alchemy_usb_control(int block, int enable);
263 
264 /* PCI controller platform data */
266  int (*board_map_irq)(const struct pci_dev *d, u8 slot, u8 pin);
267  int (*board_pci_idsel)(unsigned int devsel, int assert);
268  /* bits to set/clear in PCI_CONFIG register */
269  unsigned long pci_cfg_set;
270  unsigned long pci_cfg_clr;
271 };
272 
273 /* Multifunction pins: Each of these pins can either be assigned to the
274  * GPIO controller or a on-chip peripheral.
275  * Call "au1300_pinfunc_to_dev()" or "au1300_pinfunc_to_gpio()" to
276  * assign one of these to either the GPIO controller or the device.
277  */
279  /* wake-from-str pins 0-3 */
282  /* external clock sources for PSCs: 4-5 */
284  /* 8bit MMC interface on SD0: 6-9 */
287  /* aux clk input for freqgen 3: 10 */
289  /* UART1 pins: 11-18 */
293  /* UART0 pins: 19-24 */
296  /* UART2: 25-26 */
298  /* UART3: 27-28 */
300  /* LCD controller PWMs, ext pixclock: 29-31 */
302  /* SD1 interface: 32-37 */
305  /* SD2 interface: 38-43 */
308  /* PSC0/1 clocks: 44-45 */
310  /* PSCs: 46-49/50-53/54-57/58-61 */
319  /* PCMCIA interface: 62-70 */
323  /* camera interface H/V sync inputs: 71-72 */
325  /* PSC2/3 clocks: 73-74 */
327 };
328 
329 /* GPIC (Au1300) pin management: arch/mips/alchemy/common/gpioint.c */
332 extern void au1300_set_irq_priority(unsigned int irq, int p);
333 extern void au1300_set_dbdma_gpio(int dchan, unsigned int gpio);
334 
335 /* Au1300 allows to disconnect certain blocks from internal power supply */
341 };
342 
343 extern void au1300_vss_block_control(int block, int enable);
344 
345 
346 /* SOC Interrupt numbers */
347 /* Au1000-style (IC0/1): 2 controllers with 32 sources each */
348 #define AU1000_INTC0_INT_BASE (MIPS_CPU_IRQ_BASE + 8)
349 #define AU1000_INTC0_INT_LAST (AU1000_INTC0_INT_BASE + 31)
350 #define AU1000_INTC1_INT_BASE (AU1000_INTC0_INT_LAST + 1)
351 #define AU1000_INTC1_INT_LAST (AU1000_INTC1_INT_BASE + 31)
352 #define AU1000_MAX_INTR AU1000_INTC1_INT_LAST
353 
354 /* Au1300-style (GPIC): 1 controller with up to 128 sources */
355 #define ALCHEMY_GPIC_INT_BASE (MIPS_CPU_IRQ_BASE + 8)
356 #define ALCHEMY_GPIC_INT_NUM 128
357 #define ALCHEMY_GPIC_INT_LAST (ALCHEMY_GPIC_INT_BASE + ALCHEMY_GPIC_INT_NUM - 1)
358 
368 
419 };
420 
430 
481 };
482 
492 
542 };
543 
568 
592  AU1550_GPIO201_205_INT, /* Logical or of GPIO201:205 */
606  AU1550_GPIO208_215_INT, /* Logical or of GPIO208:215 */
607 };
608 
639  AU1200_GPIO208_215_INT, /* Logical OR of 208:215 */
675 };
676 
677 #endif /* !defined (_LANGUAGE_ASSEMBLY) */
678 
679 /* Au1300 peripheral interrupt numbers */
680 #define AU1300_FIRST_INT (ALCHEMY_GPIC_INT_BASE)
681 #define AU1300_UART1_INT (AU1300_FIRST_INT + 17)
682 #define AU1300_UART2_INT (AU1300_FIRST_INT + 25)
683 #define AU1300_UART3_INT (AU1300_FIRST_INT + 27)
684 #define AU1300_SD1_INT (AU1300_FIRST_INT + 32)
685 #define AU1300_SD2_INT (AU1300_FIRST_INT + 38)
686 #define AU1300_PSC0_INT (AU1300_FIRST_INT + 48)
687 #define AU1300_PSC1_INT (AU1300_FIRST_INT + 52)
688 #define AU1300_PSC2_INT (AU1300_FIRST_INT + 56)
689 #define AU1300_PSC3_INT (AU1300_FIRST_INT + 60)
690 #define AU1300_NAND_INT (AU1300_FIRST_INT + 62)
691 #define AU1300_DDMA_INT (AU1300_FIRST_INT + 75)
692 #define AU1300_MMU_INT (AU1300_FIRST_INT + 76)
693 #define AU1300_MPU_INT (AU1300_FIRST_INT + 77)
694 #define AU1300_GPU_INT (AU1300_FIRST_INT + 78)
695 #define AU1300_UDMA_INT (AU1300_FIRST_INT + 79)
696 #define AU1300_TOY_INT (AU1300_FIRST_INT + 80)
697 #define AU1300_TOY_MATCH0_INT (AU1300_FIRST_INT + 81)
698 #define AU1300_TOY_MATCH1_INT (AU1300_FIRST_INT + 82)
699 #define AU1300_TOY_MATCH2_INT (AU1300_FIRST_INT + 83)
700 #define AU1300_RTC_INT (AU1300_FIRST_INT + 84)
701 #define AU1300_RTC_MATCH0_INT (AU1300_FIRST_INT + 85)
702 #define AU1300_RTC_MATCH1_INT (AU1300_FIRST_INT + 86)
703 #define AU1300_RTC_MATCH2_INT (AU1300_FIRST_INT + 87)
704 #define AU1300_UART0_INT (AU1300_FIRST_INT + 88)
705 #define AU1300_SD0_INT (AU1300_FIRST_INT + 89)
706 #define AU1300_USB_INT (AU1300_FIRST_INT + 90)
707 #define AU1300_LCD_INT (AU1300_FIRST_INT + 91)
708 #define AU1300_BSA_INT (AU1300_FIRST_INT + 92)
709 #define AU1300_MPE_INT (AU1300_FIRST_INT + 93)
710 #define AU1300_ITE_INT (AU1300_FIRST_INT + 94)
711 #define AU1300_AES_INT (AU1300_FIRST_INT + 95)
712 #define AU1300_CIM_INT (AU1300_FIRST_INT + 96)
713 
714 /**********************************************************************/
715 
716 /*
717  * Physical base addresses for integrated peripherals
718  * 0..au1000 1..au1500 2..au1100 3..au1550 4..au1200 5..au1300
719  */
720 
721 #define AU1000_AC97_PHYS_ADDR 0x10000000 /* 012 */
722 #define AU1300_ROM_PHYS_ADDR 0x10000000 /* 5 */
723 #define AU1300_OTP_PHYS_ADDR 0x10002000 /* 5 */
724 #define AU1300_VSS_PHYS_ADDR 0x10003000 /* 5 */
725 #define AU1300_UART0_PHYS_ADDR 0x10100000 /* 5 */
726 #define AU1300_UART1_PHYS_ADDR 0x10101000 /* 5 */
727 #define AU1300_UART2_PHYS_ADDR 0x10102000 /* 5 */
728 #define AU1300_UART3_PHYS_ADDR 0x10103000 /* 5 */
729 #define AU1000_USB_OHCI_PHYS_ADDR 0x10100000 /* 012 */
730 #define AU1000_USB_UDC_PHYS_ADDR 0x10200000 /* 0123 */
731 #define AU1300_GPIC_PHYS_ADDR 0x10200000 /* 5 */
732 #define AU1000_IRDA_PHYS_ADDR 0x10300000 /* 02 */
733 #define AU1200_AES_PHYS_ADDR 0x10300000 /* 45 */
734 #define AU1000_IC0_PHYS_ADDR 0x10400000 /* 01234 */
735 #define AU1300_GPU_PHYS_ADDR 0x10500000 /* 5 */
736 #define AU1000_MAC0_PHYS_ADDR 0x10500000 /* 023 */
737 #define AU1000_MAC1_PHYS_ADDR 0x10510000 /* 023 */
738 #define AU1000_MACEN_PHYS_ADDR 0x10520000 /* 023 */
739 #define AU1100_SD0_PHYS_ADDR 0x10600000 /* 245 */
740 #define AU1300_SD1_PHYS_ADDR 0x10601000 /* 5 */
741 #define AU1300_SD2_PHYS_ADDR 0x10602000 /* 5 */
742 #define AU1100_SD1_PHYS_ADDR 0x10680000 /* 24 */
743 #define AU1300_SYS_PHYS_ADDR 0x10900000 /* 5 */
744 #define AU1550_PSC2_PHYS_ADDR 0x10A00000 /* 3 */
745 #define AU1550_PSC3_PHYS_ADDR 0x10B00000 /* 3 */
746 #define AU1300_PSC0_PHYS_ADDR 0x10A00000 /* 5 */
747 #define AU1300_PSC1_PHYS_ADDR 0x10A01000 /* 5 */
748 #define AU1300_PSC2_PHYS_ADDR 0x10A02000 /* 5 */
749 #define AU1300_PSC3_PHYS_ADDR 0x10A03000 /* 5 */
750 #define AU1000_I2S_PHYS_ADDR 0x11000000 /* 02 */
751 #define AU1500_MAC0_PHYS_ADDR 0x11500000 /* 1 */
752 #define AU1500_MAC1_PHYS_ADDR 0x11510000 /* 1 */
753 #define AU1500_MACEN_PHYS_ADDR 0x11520000 /* 1 */
754 #define AU1000_UART0_PHYS_ADDR 0x11100000 /* 01234 */
755 #define AU1200_SWCNT_PHYS_ADDR 0x1110010C /* 4 */
756 #define AU1000_UART1_PHYS_ADDR 0x11200000 /* 0234 */
757 #define AU1000_UART2_PHYS_ADDR 0x11300000 /* 0 */
758 #define AU1000_UART3_PHYS_ADDR 0x11400000 /* 0123 */
759 #define AU1000_SSI0_PHYS_ADDR 0x11600000 /* 02 */
760 #define AU1000_SSI1_PHYS_ADDR 0x11680000 /* 02 */
761 #define AU1500_GPIO2_PHYS_ADDR 0x11700000 /* 1234 */
762 #define AU1000_IC1_PHYS_ADDR 0x11800000 /* 01234 */
763 #define AU1000_SYS_PHYS_ADDR 0x11900000 /* 012345 */
764 #define AU1550_PSC0_PHYS_ADDR 0x11A00000 /* 34 */
765 #define AU1550_PSC1_PHYS_ADDR 0x11B00000 /* 34 */
766 #define AU1000_MEM_PHYS_ADDR 0x14000000 /* 01234 */
767 #define AU1000_STATIC_MEM_PHYS_ADDR 0x14001000 /* 01234 */
768 #define AU1300_UDMA_PHYS_ADDR 0x14001800 /* 5 */
769 #define AU1000_DMA_PHYS_ADDR 0x14002000 /* 012 */
770 #define AU1550_DBDMA_PHYS_ADDR 0x14002000 /* 345 */
771 #define AU1550_DBDMA_CONF_PHYS_ADDR 0x14003000 /* 345 */
772 #define AU1000_MACDMA0_PHYS_ADDR 0x14004000 /* 0123 */
773 #define AU1000_MACDMA1_PHYS_ADDR 0x14004200 /* 0123 */
774 #define AU1200_CIM_PHYS_ADDR 0x14004000 /* 45 */
775 #define AU1500_PCI_PHYS_ADDR 0x14005000 /* 13 */
776 #define AU1550_PE_PHYS_ADDR 0x14008000 /* 3 */
777 #define AU1200_MAEBE_PHYS_ADDR 0x14010000 /* 4 */
778 #define AU1200_MAEFE_PHYS_ADDR 0x14012000 /* 4 */
779 #define AU1300_MAEITE_PHYS_ADDR 0x14010000 /* 5 */
780 #define AU1300_MAEMPE_PHYS_ADDR 0x14014000 /* 5 */
781 #define AU1550_USB_OHCI_PHYS_ADDR 0x14020000 /* 3 */
782 #define AU1200_USB_CTL_PHYS_ADDR 0x14020000 /* 4 */
783 #define AU1200_USB_OTG_PHYS_ADDR 0x14020020 /* 4 */
784 #define AU1200_USB_OHCI_PHYS_ADDR 0x14020100 /* 4 */
785 #define AU1200_USB_EHCI_PHYS_ADDR 0x14020200 /* 4 */
786 #define AU1200_USB_UDC_PHYS_ADDR 0x14022000 /* 4 */
787 #define AU1300_USB_EHCI_PHYS_ADDR 0x14020000 /* 5 */
788 #define AU1300_USB_OHCI0_PHYS_ADDR 0x14020400 /* 5 */
789 #define AU1300_USB_OHCI1_PHYS_ADDR 0x14020800 /* 5 */
790 #define AU1300_USB_CTL_PHYS_ADDR 0x14021000 /* 5 */
791 #define AU1300_USB_OTG_PHYS_ADDR 0x14022000 /* 5 */
792 #define AU1300_MAEBSA_PHYS_ADDR 0x14030000 /* 5 */
793 #define AU1100_LCD_PHYS_ADDR 0x15000000 /* 2 */
794 #define AU1200_LCD_PHYS_ADDR 0x15000000 /* 45 */
795 #define AU1500_PCI_MEM_PHYS_ADDR 0x400000000ULL /* 13 */
796 #define AU1500_PCI_IO_PHYS_ADDR 0x500000000ULL /* 13 */
797 #define AU1500_PCI_CONFIG0_PHYS_ADDR 0x600000000ULL /* 13 */
798 #define AU1500_PCI_CONFIG1_PHYS_ADDR 0x680000000ULL /* 13 */
799 #define AU1000_PCMCIA_IO_PHYS_ADDR 0xF00000000ULL /* 012345 */
800 #define AU1000_PCMCIA_ATTR_PHYS_ADDR 0xF40000000ULL /* 012345 */
801 #define AU1000_PCMCIA_MEM_PHYS_ADDR 0xF80000000ULL /* 012345 */
802 
803 /**********************************************************************/
804 
805 
806 /*
807  * Au1300 GPIO+INT controller (GPIC) register offsets and bits
808  * Registers are 128bits (0x10 bytes), divided into 4 "banks".
809  */
810 #define AU1300_GPIC_PINVAL 0x0000
811 #define AU1300_GPIC_PINVALCLR 0x0010
812 #define AU1300_GPIC_IPEND 0x0020
813 #define AU1300_GPIC_PRIENC 0x0030
814 #define AU1300_GPIC_IEN 0x0040 /* int_mask in manual */
815 #define AU1300_GPIC_IDIS 0x0050 /* int_maskclr in manual */
816 #define AU1300_GPIC_DMASEL 0x0060
817 #define AU1300_GPIC_DEVSEL 0x0080
818 #define AU1300_GPIC_DEVCLR 0x0090
819 #define AU1300_GPIC_RSTVAL 0x00a0
820 /* pin configuration space. one 32bit register for up to 128 IRQs */
821 #define AU1300_GPIC_PINCFG 0x1000
822 
823 #define GPIC_GPIO_TO_BIT(gpio) \
824  (1 << ((gpio) & 0x1f))
825 
826 #define GPIC_GPIO_BANKOFF(gpio) \
827  (((gpio) >> 5) * 4)
828 
829 /* Pin Control bits: who owns the pin, what does it do */
830 #define GPIC_CFG_PC_GPIN 0
831 #define GPIC_CFG_PC_DEV 1
832 #define GPIC_CFG_PC_GPOLOW 2
833 #define GPIC_CFG_PC_GPOHIGH 3
834 #define GPIC_CFG_PC_MASK 3
835 
836 /* assign pin to MIPS IRQ line */
837 #define GPIC_CFG_IL_SET(x) (((x) & 3) << 2)
838 #define GPIC_CFG_IL_MASK (3 << 2)
839 
840 /* pin interrupt type setup */
841 #define GPIC_CFG_IC_OFF (0 << 4)
842 #define GPIC_CFG_IC_LEVEL_LOW (1 << 4)
843 #define GPIC_CFG_IC_LEVEL_HIGH (2 << 4)
844 #define GPIC_CFG_IC_EDGE_FALL (5 << 4)
845 #define GPIC_CFG_IC_EDGE_RISE (6 << 4)
846 #define GPIC_CFG_IC_EDGE_BOTH (7 << 4)
847 #define GPIC_CFG_IC_MASK (7 << 4)
848 
849 /* allow interrupt to wake cpu from 'wait' */
850 #define GPIC_CFG_IDLEWAKE (1 << 7)
851 
852 /***********************************************************************/
853 
854 /* Au1000 SDRAM memory controller register offsets */
855 #define AU1000_MEM_SDMODE0 0x0000
856 #define AU1000_MEM_SDMODE1 0x0004
857 #define AU1000_MEM_SDMODE2 0x0008
858 #define AU1000_MEM_SDADDR0 0x000C
859 #define AU1000_MEM_SDADDR1 0x0010
860 #define AU1000_MEM_SDADDR2 0x0014
861 #define AU1000_MEM_SDREFCFG 0x0018
862 #define AU1000_MEM_SDPRECMD 0x001C
863 #define AU1000_MEM_SDAUTOREF 0x0020
864 #define AU1000_MEM_SDWRMD0 0x0024
865 #define AU1000_MEM_SDWRMD1 0x0028
866 #define AU1000_MEM_SDWRMD2 0x002C
867 #define AU1000_MEM_SDSLEEP 0x0030
868 #define AU1000_MEM_SDSMCKE 0x0034
869 
870 /* MEM_SDMODE register content definitions */
871 #define MEM_SDMODE_F (1 << 22)
872 #define MEM_SDMODE_SR (1 << 21)
873 #define MEM_SDMODE_BS (1 << 20)
874 #define MEM_SDMODE_RS (3 << 18)
875 #define MEM_SDMODE_CS (7 << 15)
876 #define MEM_SDMODE_TRAS (15 << 11)
877 #define MEM_SDMODE_TMRD (3 << 9)
878 #define MEM_SDMODE_TWR (3 << 7)
879 #define MEM_SDMODE_TRP (3 << 5)
880 #define MEM_SDMODE_TRCD (3 << 3)
881 #define MEM_SDMODE_TCL (7 << 0)
882 
883 #define MEM_SDMODE_BS_2Bank (0 << 20)
884 #define MEM_SDMODE_BS_4Bank (1 << 20)
885 #define MEM_SDMODE_RS_11Row (0 << 18)
886 #define MEM_SDMODE_RS_12Row (1 << 18)
887 #define MEM_SDMODE_RS_13Row (2 << 18)
888 #define MEM_SDMODE_RS_N(N) ((N) << 18)
889 #define MEM_SDMODE_CS_7Col (0 << 15)
890 #define MEM_SDMODE_CS_8Col (1 << 15)
891 #define MEM_SDMODE_CS_9Col (2 << 15)
892 #define MEM_SDMODE_CS_10Col (3 << 15)
893 #define MEM_SDMODE_CS_11Col (4 << 15)
894 #define MEM_SDMODE_CS_N(N) ((N) << 15)
895 #define MEM_SDMODE_TRAS_N(N) ((N) << 11)
896 #define MEM_SDMODE_TMRD_N(N) ((N) << 9)
897 #define MEM_SDMODE_TWR_N(N) ((N) << 7)
898 #define MEM_SDMODE_TRP_N(N) ((N) << 5)
899 #define MEM_SDMODE_TRCD_N(N) ((N) << 3)
900 #define MEM_SDMODE_TCL_N(N) ((N) << 0)
901 
902 /* MEM_SDADDR register contents definitions */
903 #define MEM_SDADDR_E (1 << 20)
904 #define MEM_SDADDR_CSBA (0x03FF << 10)
905 #define MEM_SDADDR_CSMASK (0x03FF << 0)
906 #define MEM_SDADDR_CSBA_N(N) ((N) & (0x03FF << 22) >> 12)
907 #define MEM_SDADDR_CSMASK_N(N) ((N)&(0x03FF << 22) >> 22)
908 
909 /* MEM_SDREFCFG register content definitions */
910 #define MEM_SDREFCFG_TRC (15 << 28)
911 #define MEM_SDREFCFG_TRPM (3 << 26)
912 #define MEM_SDREFCFG_E (1 << 25)
913 #define MEM_SDREFCFG_RE (0x1ffffff << 0)
914 #define MEM_SDREFCFG_TRC_N(N) ((N) << MEM_SDREFCFG_TRC)
915 #define MEM_SDREFCFG_TRPM_N(N) ((N) << MEM_SDREFCFG_TRPM)
916 #define MEM_SDREFCFG_REF_N(N) (N)
917 
918 /* Au1550 SDRAM Register Offsets */
919 #define AU1550_MEM_SDMODE0 0x0800
920 #define AU1550_MEM_SDMODE1 0x0808
921 #define AU1550_MEM_SDMODE2 0x0810
922 #define AU1550_MEM_SDADDR0 0x0820
923 #define AU1550_MEM_SDADDR1 0x0828
924 #define AU1550_MEM_SDADDR2 0x0830
925 #define AU1550_MEM_SDCONFIGA 0x0840
926 #define AU1550_MEM_SDCONFIGB 0x0848
927 #define AU1550_MEM_SDSTAT 0x0850
928 #define AU1550_MEM_SDERRADDR 0x0858
929 #define AU1550_MEM_SDSTRIDE0 0x0860
930 #define AU1550_MEM_SDSTRIDE1 0x0868
931 #define AU1550_MEM_SDSTRIDE2 0x0870
932 #define AU1550_MEM_SDWRMD0 0x0880
933 #define AU1550_MEM_SDWRMD1 0x0888
934 #define AU1550_MEM_SDWRMD2 0x0890
935 #define AU1550_MEM_SDPRECMD 0x08C0
936 #define AU1550_MEM_SDAUTOREF 0x08C8
937 #define AU1550_MEM_SDSREF 0x08D0
938 #define AU1550_MEM_SDSLEEP MEM_SDSREF
939 
940 /* Static Bus Controller */
941 #define MEM_STCFG0 0xB4001000
942 #define MEM_STTIME0 0xB4001004
943 #define MEM_STADDR0 0xB4001008
944 
945 #define MEM_STCFG1 0xB4001010
946 #define MEM_STTIME1 0xB4001014
947 #define MEM_STADDR1 0xB4001018
948 
949 #define MEM_STCFG2 0xB4001020
950 #define MEM_STTIME2 0xB4001024
951 #define MEM_STADDR2 0xB4001028
952 
953 #define MEM_STCFG3 0xB4001030
954 #define MEM_STTIME3 0xB4001034
955 #define MEM_STADDR3 0xB4001038
956 
957 #define MEM_STNDCTL 0xB4001100
958 #define MEM_STSTAT 0xB4001104
959 
960 #define MEM_STNAND_CMD 0x0
961 #define MEM_STNAND_ADDR 0x4
962 #define MEM_STNAND_DATA 0x20
963 
964 
965 /* Programmable Counters 0 and 1 */
966 #define SYS_BASE 0xB1900000
967 #define SYS_COUNTER_CNTRL (SYS_BASE + 0x14)
968 # define SYS_CNTRL_E1S (1 << 23)
969 # define SYS_CNTRL_T1S (1 << 20)
970 # define SYS_CNTRL_M21 (1 << 19)
971 # define SYS_CNTRL_M11 (1 << 18)
972 # define SYS_CNTRL_M01 (1 << 17)
973 # define SYS_CNTRL_C1S (1 << 16)
974 # define SYS_CNTRL_BP (1 << 14)
975 # define SYS_CNTRL_EN1 (1 << 13)
976 # define SYS_CNTRL_BT1 (1 << 12)
977 # define SYS_CNTRL_EN0 (1 << 11)
978 # define SYS_CNTRL_BT0 (1 << 10)
979 # define SYS_CNTRL_E0 (1 << 8)
980 # define SYS_CNTRL_E0S (1 << 7)
981 # define SYS_CNTRL_32S (1 << 5)
982 # define SYS_CNTRL_T0S (1 << 4)
983 # define SYS_CNTRL_M20 (1 << 3)
984 # define SYS_CNTRL_M10 (1 << 2)
985 # define SYS_CNTRL_M00 (1 << 1)
986 # define SYS_CNTRL_C0S (1 << 0)
987 
988 /* Programmable Counter 0 Registers */
989 #define SYS_TOYTRIM (SYS_BASE + 0)
990 #define SYS_TOYWRITE (SYS_BASE + 4)
991 #define SYS_TOYMATCH0 (SYS_BASE + 8)
992 #define SYS_TOYMATCH1 (SYS_BASE + 0xC)
993 #define SYS_TOYMATCH2 (SYS_BASE + 0x10)
994 #define SYS_TOYREAD (SYS_BASE + 0x40)
995 
996 /* Programmable Counter 1 Registers */
997 #define SYS_RTCTRIM (SYS_BASE + 0x44)
998 #define SYS_RTCWRITE (SYS_BASE + 0x48)
999 #define SYS_RTCMATCH0 (SYS_BASE + 0x4C)
1000 #define SYS_RTCMATCH1 (SYS_BASE + 0x50)
1001 #define SYS_RTCMATCH2 (SYS_BASE + 0x54)
1002 #define SYS_RTCREAD (SYS_BASE + 0x58)
1003 
1004 /* I2S Controller */
1005 #define I2S_DATA 0xB1000000
1006 # define I2S_DATA_MASK 0xffffff
1007 #define I2S_CONFIG 0xB1000004
1008 # define I2S_CONFIG_XU (1 << 25)
1009 # define I2S_CONFIG_XO (1 << 24)
1010 # define I2S_CONFIG_RU (1 << 23)
1011 # define I2S_CONFIG_RO (1 << 22)
1012 # define I2S_CONFIG_TR (1 << 21)
1013 # define I2S_CONFIG_TE (1 << 20)
1014 # define I2S_CONFIG_TF (1 << 19)
1015 # define I2S_CONFIG_RR (1 << 18)
1016 # define I2S_CONFIG_RE (1 << 17)
1017 # define I2S_CONFIG_RF (1 << 16)
1018 # define I2S_CONFIG_PD (1 << 11)
1019 # define I2S_CONFIG_LB (1 << 10)
1020 # define I2S_CONFIG_IC (1 << 9)
1021 # define I2S_CONFIG_FM_BIT 7
1022 # define I2S_CONFIG_FM_MASK (0x3 << I2S_CONFIG_FM_BIT)
1023 # define I2S_CONFIG_FM_I2S (0x0 << I2S_CONFIG_FM_BIT)
1024 # define I2S_CONFIG_FM_LJ (0x1 << I2S_CONFIG_FM_BIT)
1025 # define I2S_CONFIG_FM_RJ (0x2 << I2S_CONFIG_FM_BIT)
1026 # define I2S_CONFIG_TN (1 << 6)
1027 # define I2S_CONFIG_RN (1 << 5)
1028 # define I2S_CONFIG_SZ_BIT 0
1029 # define I2S_CONFIG_SZ_MASK (0x1F << I2S_CONFIG_SZ_BIT)
1030 
1031 #define I2S_CONTROL 0xB1000008
1032 # define I2S_CONTROL_D (1 << 1)
1033 # define I2S_CONTROL_CE (1 << 0)
1034 
1035 
1036 /* Ethernet Controllers */
1037 
1038 /* 4 byte offsets from AU1000_ETH_BASE */
1039 #define MAC_CONTROL 0x0
1040 # define MAC_RX_ENABLE (1 << 2)
1041 # define MAC_TX_ENABLE (1 << 3)
1042 # define MAC_DEF_CHECK (1 << 5)
1043 # define MAC_SET_BL(X) (((X) & 0x3) << 6)
1044 # define MAC_AUTO_PAD (1 << 8)
1045 # define MAC_DISABLE_RETRY (1 << 10)
1046 # define MAC_DISABLE_BCAST (1 << 11)
1047 # define MAC_LATE_COL (1 << 12)
1048 # define MAC_HASH_MODE (1 << 13)
1049 # define MAC_HASH_ONLY (1 << 15)
1050 # define MAC_PASS_ALL (1 << 16)
1051 # define MAC_INVERSE_FILTER (1 << 17)
1052 # define MAC_PROMISCUOUS (1 << 18)
1053 # define MAC_PASS_ALL_MULTI (1 << 19)
1054 # define MAC_FULL_DUPLEX (1 << 20)
1055 # define MAC_NORMAL_MODE 0
1056 # define MAC_INT_LOOPBACK (1 << 21)
1057 # define MAC_EXT_LOOPBACK (1 << 22)
1058 # define MAC_DISABLE_RX_OWN (1 << 23)
1059 # define MAC_BIG_ENDIAN (1 << 30)
1060 # define MAC_RX_ALL (1 << 31)
1061 #define MAC_ADDRESS_HIGH 0x4
1062 #define MAC_ADDRESS_LOW 0x8
1063 #define MAC_MCAST_HIGH 0xC
1064 #define MAC_MCAST_LOW 0x10
1065 #define MAC_MII_CNTRL 0x14
1066 # define MAC_MII_BUSY (1 << 0)
1067 # define MAC_MII_READ 0
1068 # define MAC_MII_WRITE (1 << 1)
1069 # define MAC_SET_MII_SELECT_REG(X) (((X) & 0x1f) << 6)
1070 # define MAC_SET_MII_SELECT_PHY(X) (((X) & 0x1f) << 11)
1071 #define MAC_MII_DATA 0x18
1072 #define MAC_FLOW_CNTRL 0x1C
1073 # define MAC_FLOW_CNTRL_BUSY (1 << 0)
1074 # define MAC_FLOW_CNTRL_ENABLE (1 << 1)
1075 # define MAC_PASS_CONTROL (1 << 2)
1076 # define MAC_SET_PAUSE(X) (((X) & 0xffff) << 16)
1077 #define MAC_VLAN1_TAG 0x20
1078 #define MAC_VLAN2_TAG 0x24
1079 
1080 /* Ethernet Controller Enable */
1081 
1082 # define MAC_EN_CLOCK_ENABLE (1 << 0)
1083 # define MAC_EN_RESET0 (1 << 1)
1084 # define MAC_EN_TOSS (0 << 2)
1085 # define MAC_EN_CACHEABLE (1 << 3)
1086 # define MAC_EN_RESET1 (1 << 4)
1087 # define MAC_EN_RESET2 (1 << 5)
1088 # define MAC_DMA_RESET (1 << 6)
1089 
1090 /* Ethernet Controller DMA Channels */
1091 
1092 #define MAC0_TX_DMA_ADDR 0xB4004000
1093 #define MAC1_TX_DMA_ADDR 0xB4004200
1094 /* offsets from MAC_TX_RING_ADDR address */
1095 #define MAC_TX_BUFF0_STATUS 0x0
1096 # define TX_FRAME_ABORTED (1 << 0)
1097 # define TX_JAB_TIMEOUT (1 << 1)
1098 # define TX_NO_CARRIER (1 << 2)
1099 # define TX_LOSS_CARRIER (1 << 3)
1100 # define TX_EXC_DEF (1 << 4)
1101 # define TX_LATE_COLL_ABORT (1 << 5)
1102 # define TX_EXC_COLL (1 << 6)
1103 # define TX_UNDERRUN (1 << 7)
1104 # define TX_DEFERRED (1 << 8)
1105 # define TX_LATE_COLL (1 << 9)
1106 # define TX_COLL_CNT_MASK (0xF << 10)
1107 # define TX_PKT_RETRY (1 << 31)
1108 #define MAC_TX_BUFF0_ADDR 0x4
1109 # define TX_DMA_ENABLE (1 << 0)
1110 # define TX_T_DONE (1 << 1)
1111 # define TX_GET_DMA_BUFFER(X) (((X) >> 2) & 0x3)
1112 #define MAC_TX_BUFF0_LEN 0x8
1113 #define MAC_TX_BUFF1_STATUS 0x10
1114 #define MAC_TX_BUFF1_ADDR 0x14
1115 #define MAC_TX_BUFF1_LEN 0x18
1116 #define MAC_TX_BUFF2_STATUS 0x20
1117 #define MAC_TX_BUFF2_ADDR 0x24
1118 #define MAC_TX_BUFF2_LEN 0x28
1119 #define MAC_TX_BUFF3_STATUS 0x30
1120 #define MAC_TX_BUFF3_ADDR 0x34
1121 #define MAC_TX_BUFF3_LEN 0x38
1122 
1123 #define MAC0_RX_DMA_ADDR 0xB4004100
1124 #define MAC1_RX_DMA_ADDR 0xB4004300
1125 /* offsets from MAC_RX_RING_ADDR */
1126 #define MAC_RX_BUFF0_STATUS 0x0
1127 # define RX_FRAME_LEN_MASK 0x3fff
1128 # define RX_WDOG_TIMER (1 << 14)
1129 # define RX_RUNT (1 << 15)
1130 # define RX_OVERLEN (1 << 16)
1131 # define RX_COLL (1 << 17)
1132 # define RX_ETHER (1 << 18)
1133 # define RX_MII_ERROR (1 << 19)
1134 # define RX_DRIBBLING (1 << 20)
1135 # define RX_CRC_ERROR (1 << 21)
1136 # define RX_VLAN1 (1 << 22)
1137 # define RX_VLAN2 (1 << 23)
1138 # define RX_LEN_ERROR (1 << 24)
1139 # define RX_CNTRL_FRAME (1 << 25)
1140 # define RX_U_CNTRL_FRAME (1 << 26)
1141 # define RX_MCAST_FRAME (1 << 27)
1142 # define RX_BCAST_FRAME (1 << 28)
1143 # define RX_FILTER_FAIL (1 << 29)
1144 # define RX_PACKET_FILTER (1 << 30)
1145 # define RX_MISSED_FRAME (1 << 31)
1146 
1147 # define RX_ERROR (RX_WDOG_TIMER | RX_RUNT | RX_OVERLEN | \
1148  RX_COLL | RX_MII_ERROR | RX_CRC_ERROR | \
1149  RX_LEN_ERROR | RX_U_CNTRL_FRAME | RX_MISSED_FRAME)
1150 #define MAC_RX_BUFF0_ADDR 0x4
1151 # define RX_DMA_ENABLE (1 << 0)
1152 # define RX_T_DONE (1 << 1)
1153 # define RX_GET_DMA_BUFFER(X) (((X) >> 2) & 0x3)
1154 # define RX_SET_BUFF_ADDR(X) ((X) & 0xffffffc0)
1155 #define MAC_RX_BUFF1_STATUS 0x10
1156 #define MAC_RX_BUFF1_ADDR 0x14
1157 #define MAC_RX_BUFF2_STATUS 0x20
1158 #define MAC_RX_BUFF2_ADDR 0x24
1159 #define MAC_RX_BUFF3_STATUS 0x30
1160 #define MAC_RX_BUFF3_ADDR 0x34
1161 
1162 #define UART_RX 0 /* Receive buffer */
1163 #define UART_TX 4 /* Transmit buffer */
1164 #define UART_IER 8 /* Interrupt Enable Register */
1165 #define UART_IIR 0xC /* Interrupt ID Register */
1166 #define UART_FCR 0x10 /* FIFO Control Register */
1167 #define UART_LCR 0x14 /* Line Control Register */
1168 #define UART_MCR 0x18 /* Modem Control Register */
1169 #define UART_LSR 0x1C /* Line Status Register */
1170 #define UART_MSR 0x20 /* Modem Status Register */
1171 #define UART_CLK 0x28 /* Baud Rate Clock Divider */
1172 #define UART_MOD_CNTRL 0x100 /* Module Control */
1173 
1174 /* SSIO */
1175 #define SSI0_STATUS 0xB1600000
1176 # define SSI_STATUS_BF (1 << 4)
1177 # define SSI_STATUS_OF (1 << 3)
1178 # define SSI_STATUS_UF (1 << 2)
1179 # define SSI_STATUS_D (1 << 1)
1180 # define SSI_STATUS_B (1 << 0)
1181 #define SSI0_INT 0xB1600004
1182 # define SSI_INT_OI (1 << 3)
1183 # define SSI_INT_UI (1 << 2)
1184 # define SSI_INT_DI (1 << 1)
1185 #define SSI0_INT_ENABLE 0xB1600008
1186 # define SSI_INTE_OIE (1 << 3)
1187 # define SSI_INTE_UIE (1 << 2)
1188 # define SSI_INTE_DIE (1 << 1)
1189 #define SSI0_CONFIG 0xB1600020
1190 # define SSI_CONFIG_AO (1 << 24)
1191 # define SSI_CONFIG_DO (1 << 23)
1192 # define SSI_CONFIG_ALEN_BIT 20
1193 # define SSI_CONFIG_ALEN_MASK (0x7 << 20)
1194 # define SSI_CONFIG_DLEN_BIT 16
1195 # define SSI_CONFIG_DLEN_MASK (0x7 << 16)
1196 # define SSI_CONFIG_DD (1 << 11)
1197 # define SSI_CONFIG_AD (1 << 10)
1198 # define SSI_CONFIG_BM_BIT 8
1199 # define SSI_CONFIG_BM_MASK (0x3 << 8)
1200 # define SSI_CONFIG_CE (1 << 7)
1201 # define SSI_CONFIG_DP (1 << 6)
1202 # define SSI_CONFIG_DL (1 << 5)
1203 # define SSI_CONFIG_EP (1 << 4)
1204 #define SSI0_ADATA 0xB1600024
1205 # define SSI_AD_D (1 << 24)
1206 # define SSI_AD_ADDR_BIT 16
1207 # define SSI_AD_ADDR_MASK (0xff << 16)
1208 # define SSI_AD_DATA_BIT 0
1209 # define SSI_AD_DATA_MASK (0xfff << 0)
1210 #define SSI0_CLKDIV 0xB1600028
1211 #define SSI0_CONTROL 0xB1600100
1212 # define SSI_CONTROL_CD (1 << 1)
1213 # define SSI_CONTROL_E (1 << 0)
1214 
1215 /* SSI1 */
1216 #define SSI1_STATUS 0xB1680000
1217 #define SSI1_INT 0xB1680004
1218 #define SSI1_INT_ENABLE 0xB1680008
1219 #define SSI1_CONFIG 0xB1680020
1220 #define SSI1_ADATA 0xB1680024
1221 #define SSI1_CLKDIV 0xB1680028
1222 #define SSI1_ENABLE 0xB1680100
1223 
1224 /*
1225  * Register content definitions
1226  */
1227 #define SSI_STATUS_BF (1 << 4)
1228 #define SSI_STATUS_OF (1 << 3)
1229 #define SSI_STATUS_UF (1 << 2)
1230 #define SSI_STATUS_D (1 << 1)
1231 #define SSI_STATUS_B (1 << 0)
1232 
1233 /* SSI_INT */
1234 #define SSI_INT_OI (1 << 3)
1235 #define SSI_INT_UI (1 << 2)
1236 #define SSI_INT_DI (1 << 1)
1237 
1238 /* SSI_INTEN */
1239 #define SSI_INTEN_OIE (1 << 3)
1240 #define SSI_INTEN_UIE (1 << 2)
1241 #define SSI_INTEN_DIE (1 << 1)
1242 
1243 #define SSI_CONFIG_AO (1 << 24)
1244 #define SSI_CONFIG_DO (1 << 23)
1245 #define SSI_CONFIG_ALEN (7 << 20)
1246 #define SSI_CONFIG_DLEN (15 << 16)
1247 #define SSI_CONFIG_DD (1 << 11)
1248 #define SSI_CONFIG_AD (1 << 10)
1249 #define SSI_CONFIG_BM (3 << 8)
1250 #define SSI_CONFIG_CE (1 << 7)
1251 #define SSI_CONFIG_DP (1 << 6)
1252 #define SSI_CONFIG_DL (1 << 5)
1253 #define SSI_CONFIG_EP (1 << 4)
1254 #define SSI_CONFIG_ALEN_N(N) ((N-1) << 20)
1255 #define SSI_CONFIG_DLEN_N(N) ((N-1) << 16)
1256 #define SSI_CONFIG_BM_HI (0 << 8)
1257 #define SSI_CONFIG_BM_LO (1 << 8)
1258 #define SSI_CONFIG_BM_CY (2 << 8)
1259 
1260 #define SSI_ADATA_D (1 << 24)
1261 #define SSI_ADATA_ADDR (0xFF << 16)
1262 #define SSI_ADATA_DATA 0x0FFF
1263 #define SSI_ADATA_ADDR_N(N) (N << 16)
1264 
1265 #define SSI_ENABLE_CD (1 << 1)
1266 #define SSI_ENABLE_E (1 << 0)
1267 
1268 
1269 /*
1270  * The IrDA peripheral has an IRFIRSEL pin, but on the DB/PB boards it's not
1271  * used to select FIR/SIR mode on the transceiver but as a GPIO. Instead a
1272  * CPLD has to be told about the mode.
1273  */
1274 #define AU1000_IRDA_PHY_MODE_OFF 0
1275 #define AU1000_IRDA_PHY_MODE_SIR 1
1276 #define AU1000_IRDA_PHY_MODE_FIR 2
1277 
1280 };
1281 
1282 
1283 /* GPIO */
1284 #define SYS_PINFUNC 0xB190002C
1285 # define SYS_PF_USB (1 << 15) /* 2nd USB device/host */
1286 # define SYS_PF_U3 (1 << 14) /* GPIO23/U3TXD */
1287 # define SYS_PF_U2 (1 << 13) /* GPIO22/U2TXD */
1288 # define SYS_PF_U1 (1 << 12) /* GPIO21/U1TXD */
1289 # define SYS_PF_SRC (1 << 11) /* GPIO6/SROMCKE */
1290 # define SYS_PF_CK5 (1 << 10) /* GPIO3/CLK5 */
1291 # define SYS_PF_CK4 (1 << 9) /* GPIO2/CLK4 */
1292 # define SYS_PF_IRF (1 << 8) /* GPIO15/IRFIRSEL */
1293 # define SYS_PF_UR3 (1 << 7) /* GPIO[14:9]/UART3 */
1294 # define SYS_PF_I2D (1 << 6) /* GPIO8/I2SDI */
1295 # define SYS_PF_I2S (1 << 5) /* I2S/GPIO[29:31] */
1296 # define SYS_PF_NI2 (1 << 4) /* NI2/GPIO[24:28] */
1297 # define SYS_PF_U0 (1 << 3) /* U0TXD/GPIO20 */
1298 # define SYS_PF_RD (1 << 2) /* IRTXD/GPIO19 */
1299 # define SYS_PF_A97 (1 << 1) /* AC97/SSL1 */
1300 # define SYS_PF_S0 (1 << 0) /* SSI_0/GPIO[16:18] */
1301 
1302 /* Au1100 only */
1303 # define SYS_PF_PC (1 << 18) /* PCMCIA/GPIO[207:204] */
1304 # define SYS_PF_LCD (1 << 17) /* extern lcd/GPIO[203:200] */
1305 # define SYS_PF_CS (1 << 16) /* EXTCLK0/32KHz to gpio2 */
1306 # define SYS_PF_EX0 (1 << 9) /* GPIO2/clock */
1307 
1308 /* Au1550 only. Redefines lots of pins */
1309 # define SYS_PF_PSC2_MASK (7 << 17)
1310 # define SYS_PF_PSC2_AC97 0
1311 # define SYS_PF_PSC2_SPI 0
1312 # define SYS_PF_PSC2_I2S (1 << 17)
1313 # define SYS_PF_PSC2_SMBUS (3 << 17)
1314 # define SYS_PF_PSC2_GPIO (7 << 17)
1315 # define SYS_PF_PSC3_MASK (7 << 20)
1316 # define SYS_PF_PSC3_AC97 0
1317 # define SYS_PF_PSC3_SPI 0
1318 # define SYS_PF_PSC3_I2S (1 << 20)
1319 # define SYS_PF_PSC3_SMBUS (3 << 20)
1320 # define SYS_PF_PSC3_GPIO (7 << 20)
1321 # define SYS_PF_PSC1_S1 (1 << 1)
1322 # define SYS_PF_MUST_BE_SET ((1 << 5) | (1 << 2))
1323 
1324 /* Au1200 only */
1325 #define SYS_PINFUNC_DMA (1 << 31)
1326 #define SYS_PINFUNC_S0A (1 << 30)
1327 #define SYS_PINFUNC_S1A (1 << 29)
1328 #define SYS_PINFUNC_LP0 (1 << 28)
1329 #define SYS_PINFUNC_LP1 (1 << 27)
1330 #define SYS_PINFUNC_LD16 (1 << 26)
1331 #define SYS_PINFUNC_LD8 (1 << 25)
1332 #define SYS_PINFUNC_LD1 (1 << 24)
1333 #define SYS_PINFUNC_LD0 (1 << 23)
1334 #define SYS_PINFUNC_P1A (3 << 21)
1335 #define SYS_PINFUNC_P1B (1 << 20)
1336 #define SYS_PINFUNC_FS3 (1 << 19)
1337 #define SYS_PINFUNC_P0A (3 << 17)
1338 #define SYS_PINFUNC_CS (1 << 16)
1339 #define SYS_PINFUNC_CIM (1 << 15)
1340 #define SYS_PINFUNC_P1C (1 << 14)
1341 #define SYS_PINFUNC_U1T (1 << 12)
1342 #define SYS_PINFUNC_U1R (1 << 11)
1343 #define SYS_PINFUNC_EX1 (1 << 10)
1344 #define SYS_PINFUNC_EX0 (1 << 9)
1345 #define SYS_PINFUNC_U0R (1 << 8)
1346 #define SYS_PINFUNC_MC (1 << 7)
1347 #define SYS_PINFUNC_S0B (1 << 6)
1348 #define SYS_PINFUNC_S0C (1 << 5)
1349 #define SYS_PINFUNC_P0B (1 << 4)
1350 #define SYS_PINFUNC_U0T (1 << 3)
1351 #define SYS_PINFUNC_S1B (1 << 2)
1352 
1353 /* Power Management */
1354 #define SYS_SCRATCH0 0xB1900018
1355 #define SYS_SCRATCH1 0xB190001C
1356 #define SYS_WAKEMSK 0xB1900034
1357 #define SYS_ENDIAN 0xB1900038
1358 #define SYS_POWERCTRL 0xB190003C
1359 #define SYS_WAKESRC 0xB190005C
1360 #define SYS_SLPPWR 0xB1900078
1361 #define SYS_SLEEP 0xB190007C
1362 
1363 #define SYS_WAKEMSK_D2 (1 << 9)
1364 #define SYS_WAKEMSK_M2 (1 << 8)
1365 #define SYS_WAKEMSK_GPIO(x) (1 << (x))
1366 
1367 /* Clock Controller */
1368 #define SYS_FREQCTRL0 0xB1900020
1369 # define SYS_FC_FRDIV2_BIT 22
1370 # define SYS_FC_FRDIV2_MASK (0xff << SYS_FC_FRDIV2_BIT)
1371 # define SYS_FC_FE2 (1 << 21)
1372 # define SYS_FC_FS2 (1 << 20)
1373 # define SYS_FC_FRDIV1_BIT 12
1374 # define SYS_FC_FRDIV1_MASK (0xff << SYS_FC_FRDIV1_BIT)
1375 # define SYS_FC_FE1 (1 << 11)
1376 # define SYS_FC_FS1 (1 << 10)
1377 # define SYS_FC_FRDIV0_BIT 2
1378 # define SYS_FC_FRDIV0_MASK (0xff << SYS_FC_FRDIV0_BIT)
1379 # define SYS_FC_FE0 (1 << 1)
1380 # define SYS_FC_FS0 (1 << 0)
1381 #define SYS_FREQCTRL1 0xB1900024
1382 # define SYS_FC_FRDIV5_BIT 22
1383 # define SYS_FC_FRDIV5_MASK (0xff << SYS_FC_FRDIV5_BIT)
1384 # define SYS_FC_FE5 (1 << 21)
1385 # define SYS_FC_FS5 (1 << 20)
1386 # define SYS_FC_FRDIV4_BIT 12
1387 # define SYS_FC_FRDIV4_MASK (0xff << SYS_FC_FRDIV4_BIT)
1388 # define SYS_FC_FE4 (1 << 11)
1389 # define SYS_FC_FS4 (1 << 10)
1390 # define SYS_FC_FRDIV3_BIT 2
1391 # define SYS_FC_FRDIV3_MASK (0xff << SYS_FC_FRDIV3_BIT)
1392 # define SYS_FC_FE3 (1 << 1)
1393 # define SYS_FC_FS3 (1 << 0)
1394 #define SYS_CLKSRC 0xB1900028
1395 # define SYS_CS_ME1_BIT 27
1396 # define SYS_CS_ME1_MASK (0x7 << SYS_CS_ME1_BIT)
1397 # define SYS_CS_DE1 (1 << 26)
1398 # define SYS_CS_CE1 (1 << 25)
1399 # define SYS_CS_ME0_BIT 22
1400 # define SYS_CS_ME0_MASK (0x7 << SYS_CS_ME0_BIT)
1401 # define SYS_CS_DE0 (1 << 21)
1402 # define SYS_CS_CE0 (1 << 20)
1403 # define SYS_CS_MI2_BIT 17
1404 # define SYS_CS_MI2_MASK (0x7 << SYS_CS_MI2_BIT)
1405 # define SYS_CS_DI2 (1 << 16)
1406 # define SYS_CS_CI2 (1 << 15)
1407 
1408 # define SYS_CS_ML_BIT 7
1409 # define SYS_CS_ML_MASK (0x7 << SYS_CS_ML_BIT)
1410 # define SYS_CS_DL (1 << 6)
1411 # define SYS_CS_CL (1 << 5)
1412 
1413 # define SYS_CS_MUH_BIT 12
1414 # define SYS_CS_MUH_MASK (0x7 << SYS_CS_MUH_BIT)
1415 # define SYS_CS_DUH (1 << 11)
1416 # define SYS_CS_CUH (1 << 10)
1417 # define SYS_CS_MUD_BIT 7
1418 # define SYS_CS_MUD_MASK (0x7 << SYS_CS_MUD_BIT)
1419 # define SYS_CS_DUD (1 << 6)
1420 # define SYS_CS_CUD (1 << 5)
1421 
1422 # define SYS_CS_MIR_BIT 2
1423 # define SYS_CS_MIR_MASK (0x7 << SYS_CS_MIR_BIT)
1424 # define SYS_CS_DIR (1 << 1)
1425 # define SYS_CS_CIR (1 << 0)
1426 
1427 # define SYS_CS_MUX_AUX 0x1
1428 # define SYS_CS_MUX_FQ0 0x2
1429 # define SYS_CS_MUX_FQ1 0x3
1430 # define SYS_CS_MUX_FQ2 0x4
1431 # define SYS_CS_MUX_FQ3 0x5
1432 # define SYS_CS_MUX_FQ4 0x6
1433 # define SYS_CS_MUX_FQ5 0x7
1434 #define SYS_CPUPLL 0xB1900060
1435 #define SYS_AUXPLL 0xB1900064
1436 
1437 /* AC97 Controller */
1438 #define AC97C_CONFIG 0xB0000000
1439 # define AC97C_RECV_SLOTS_BIT 13
1440 # define AC97C_RECV_SLOTS_MASK (0x3ff << AC97C_RECV_SLOTS_BIT)
1441 # define AC97C_XMIT_SLOTS_BIT 3
1442 # define AC97C_XMIT_SLOTS_MASK (0x3ff << AC97C_XMIT_SLOTS_BIT)
1443 # define AC97C_SG (1 << 2)
1444 # define AC97C_SYNC (1 << 1)
1445 # define AC97C_RESET (1 << 0)
1446 #define AC97C_STATUS 0xB0000004
1447 # define AC97C_XU (1 << 11)
1448 # define AC97C_XO (1 << 10)
1449 # define AC97C_RU (1 << 9)
1450 # define AC97C_RO (1 << 8)
1451 # define AC97C_READY (1 << 7)
1452 # define AC97C_CP (1 << 6)
1453 # define AC97C_TR (1 << 5)
1454 # define AC97C_TE (1 << 4)
1455 # define AC97C_TF (1 << 3)
1456 # define AC97C_RR (1 << 2)
1457 # define AC97C_RE (1 << 1)
1458 # define AC97C_RF (1 << 0)
1459 #define AC97C_DATA 0xB0000008
1460 #define AC97C_CMD 0xB000000C
1461 # define AC97C_WD_BIT 16
1462 # define AC97C_READ (1 << 7)
1463 # define AC97C_INDEX_MASK 0x7f
1464 #define AC97C_CNTRL 0xB0000010
1465 # define AC97C_RS (1 << 1)
1466 # define AC97C_CE (1 << 0)
1467 
1468 
1469 /* The PCI chip selects are outside the 32bit space, and since we can't
1470  * just program the 36bit addresses into BARs, we have to take a chunk
1471  * out of the 32bit space and reserve it for PCI. When these addresses
1472  * are ioremap()ed, they'll be fixed up to the real 36bit address before
1473  * being passed to the real ioremap function.
1474  */
1475 #define ALCHEMY_PCI_MEMWIN_START (AU1500_PCI_MEM_PHYS_ADDR >> 4)
1476 #define ALCHEMY_PCI_MEMWIN_END (ALCHEMY_PCI_MEMWIN_START + 0x0FFFFFFF)
1477 
1478 /* for PCI IO it's simpler because we get to do the ioremap ourselves and then
1479  * adjust the device's resources.
1480  */
1481 #define ALCHEMY_PCI_IOWIN_START 0x00001000
1482 #define ALCHEMY_PCI_IOWIN_END 0x0000FFFF
1483 
1484 #ifdef CONFIG_PCI
1485 
1486 #define IOPORT_RESOURCE_START 0x00001000 /* skip legacy probing */
1487 #define IOPORT_RESOURCE_END 0xffffffff
1488 #define IOMEM_RESOURCE_START 0x10000000
1489 #define IOMEM_RESOURCE_END 0xfffffffffULL
1490 
1491 #else
1492 
1493 /* Don't allow any legacy ports probing */
1494 #define IOPORT_RESOURCE_START 0x10000000
1495 #define IOPORT_RESOURCE_END 0xffffffff
1496 #define IOMEM_RESOURCE_START 0x10000000
1497 #define IOMEM_RESOURCE_END 0xfffffffffULL
1498 
1499 #endif
1500 
1501 /* PCI controller block register offsets */
1502 #define PCI_REG_CMEM 0x0000
1503 #define PCI_REG_CONFIG 0x0004
1504 #define PCI_REG_B2BMASK_CCH 0x0008
1505 #define PCI_REG_B2BBASE0_VID 0x000C
1506 #define PCI_REG_B2BBASE1_SID 0x0010
1507 #define PCI_REG_MWMASK_DEV 0x0014
1508 #define PCI_REG_MWBASE_REV_CCL 0x0018
1509 #define PCI_REG_ERR_ADDR 0x001C
1510 #define PCI_REG_SPEC_INTACK 0x0020
1511 #define PCI_REG_ID 0x0100
1512 #define PCI_REG_STATCMD 0x0104
1513 #define PCI_REG_CLASSREV 0x0108
1514 #define PCI_REG_PARAM 0x010C
1515 #define PCI_REG_MBAR 0x0110
1516 #define PCI_REG_TIMEOUT 0x0140
1517 
1518 /* PCI controller block register bits */
1519 #define PCI_CMEM_E (1 << 28) /* enable cacheable memory */
1520 #define PCI_CMEM_CMBASE(x) (((x) & 0x3fff) << 14)
1521 #define PCI_CMEM_CMMASK(x) ((x) & 0x3fff)
1522 #define PCI_CONFIG_ERD (1 << 27) /* pci error during R/W */
1523 #define PCI_CONFIG_ET (1 << 26) /* error in target mode */
1524 #define PCI_CONFIG_EF (1 << 25) /* fatal error */
1525 #define PCI_CONFIG_EP (1 << 24) /* parity error */
1526 #define PCI_CONFIG_EM (1 << 23) /* multiple errors */
1527 #define PCI_CONFIG_BM (1 << 22) /* bad master error */
1528 #define PCI_CONFIG_PD (1 << 20) /* PCI Disable */
1529 #define PCI_CONFIG_BME (1 << 19) /* Byte Mask Enable for reads */
1530 #define PCI_CONFIG_NC (1 << 16) /* mark mem access non-coherent */
1531 #define PCI_CONFIG_IA (1 << 15) /* INTA# enabled (target mode) */
1532 #define PCI_CONFIG_IP (1 << 13) /* int on PCI_PERR# */
1533 #define PCI_CONFIG_IS (1 << 12) /* int on PCI_SERR# */
1534 #define PCI_CONFIG_IMM (1 << 11) /* int on master abort */
1535 #define PCI_CONFIG_ITM (1 << 10) /* int on target abort (as master) */
1536 #define PCI_CONFIG_ITT (1 << 9) /* int on target abort (as target) */
1537 #define PCI_CONFIG_IPB (1 << 8) /* int on PERR# in bus master acc */
1538 #define PCI_CONFIG_SIC_NO (0 << 6) /* no byte mask changes */
1539 #define PCI_CONFIG_SIC_BA_ADR (1 << 6) /* on byte/hw acc, invert adr bits */
1540 #define PCI_CONFIG_SIC_HWA_DAT (2 << 6) /* on halfword acc, swap data */
1541 #define PCI_CONFIG_SIC_ALL (3 << 6) /* swap data bytes on all accesses */
1542 #define PCI_CONFIG_ST (1 << 5) /* swap data by target transactions */
1543 #define PCI_CONFIG_SM (1 << 4) /* swap data from PCI ctl */
1544 #define PCI_CONFIG_AEN (1 << 3) /* enable internal arbiter */
1545 #define PCI_CONFIG_R2H (1 << 2) /* REQ2# to hi-prio arbiter */
1546 #define PCI_CONFIG_R1H (1 << 1) /* REQ1# to hi-prio arbiter */
1547 #define PCI_CONFIG_CH (1 << 0) /* PCI ctl to hi-prio arbiter */
1548 #define PCI_B2BMASK_B2BMASK(x) (((x) & 0xffff) << 16)
1549 #define PCI_B2BMASK_CCH(x) ((x) & 0xffff) /* 16 upper bits of class code */
1550 #define PCI_B2BBASE0_VID_B0(x) (((x) & 0xffff) << 16)
1551 #define PCI_B2BBASE0_VID_SV(x) ((x) & 0xffff)
1552 #define PCI_B2BBASE1_SID_B1(x) (((x) & 0xffff) << 16)
1553 #define PCI_B2BBASE1_SID_SI(x) ((x) & 0xffff)
1554 #define PCI_MWMASKDEV_MWMASK(x) (((x) & 0xffff) << 16)
1555 #define PCI_MWMASKDEV_DEVID(x) ((x) & 0xffff)
1556 #define PCI_MWBASEREVCCL_BASE(x) (((x) & 0xffff) << 16)
1557 #define PCI_MWBASEREVCCL_REV(x) (((x) & 0xff) << 8)
1558 #define PCI_MWBASEREVCCL_CCL(x) ((x) & 0xff)
1559 #define PCI_ID_DID(x) (((x) & 0xffff) << 16)
1560 #define PCI_ID_VID(x) ((x) & 0xffff)
1561 #define PCI_STATCMD_STATUS(x) (((x) & 0xffff) << 16)
1562 #define PCI_STATCMD_CMD(x) ((x) & 0xffff)
1563 #define PCI_CLASSREV_CLASS(x) (((x) & 0x00ffffff) << 8)
1564 #define PCI_CLASSREV_REV(x) ((x) & 0xff)
1565 #define PCI_PARAM_BIST(x) (((x) & 0xff) << 24)
1566 #define PCI_PARAM_HT(x) (((x) & 0xff) << 16)
1567 #define PCI_PARAM_LT(x) (((x) & 0xff) << 8)
1568 #define PCI_PARAM_CLS(x) ((x) & 0xff)
1569 #define PCI_TIMEOUT_RETRIES(x) (((x) & 0xff) << 8) /* max retries */
1570 #define PCI_TIMEOUT_TO(x) ((x) & 0xff) /* target ready timeout */
1571 
1572 #endif