xref: /netbsd/sys/arch/arm/gemini/gemini_reg.h (revision b3224e5f)
1 /*	$NetBSD: gemini_reg.h,v 1.5 2008/11/20 07:47:06 cliff Exp $	*/
2 
3 #ifndef _ARM_GEMINI_REG_H_
4 #define _ARM_GEMINI_REG_H_
5 
6 /*
7  * Register definitions for Gemini SOC
8  */
9 
10 #include "opt_gemini.h"
11 #include <machine/endian.h>
12 #include <sys/cdefs.h>
13 
14 #if defined(SL3516)
15 /*
16  * Gemini SL3516 memory map
17  */
18 #define GEMINI_SRAM_BASE	0x00000000	/* Internal SRAM  */
19 						/* NOTE: use the SHADOW to avoid conflict w/ DRAM */
20 #define GEMINI_SRAM_SIZE	0x10000000 	/* 128 MB */
21 #define GEMINI_DRAM_BASE	0x00000000 	/* DRAM (via DDR Control Module) */
22 						/* NOTE: this is a shadow of 0x10000000 */
23 #define GEMINI_DRAM_SIZE	0x20000000	/* 512 MB */
24 						/* NOTE: size of addr space, not necessarily populated */
25 #define GEMINI_FLASH_BASE	0x30000000 	/* DRAM (via DDR Control Module) */
26 #define GEMINI_FLASH_SIZE	0x10000000	/* 128 MB */
27 
28 /*
29  * Gemini SL3516 device map
30  */
31 #define GEMINI_GLOBAL_BASE	0x40000000 	/* Global registers */
32 #define GEMINI_WATCHDOG_BASE	0x41000000 	/* Watch dog timer module */
33 #define GEMINI_UART_BASE	0x42000000 	/* UART control module */
34 #define GEMINI_UART_SIZE	0x20
35 #define GEMINI_TIMER_BASE	0x43000000 	/* Timer module */
36 #define GEMINI_LCD_BASE		0x44000000 	/* LCD Interface module */
37 #define GEMINI_RTC_BASE		0x45000000 	/* Real Time Clock module */
38 #define GEMINI_SATA_BASE	0x46000000 	/* Serial ATA module */
39 #define GEMINI_LPCHC_BASE	0x47000000 	/* LPC Hosr Controller module */
40 #define GEMINI_LPCIO_BASE	0x47800000 	/* LPC Peripherals IO space */
41 #define GEMINI_IC0_BASE		0x48000000 	/* Interrupt Control module #0 */
42 #define GEMINI_IC1_BASE		0x49000000 	/* Interrupt Control module #1 */
43 #define GEMINI_SSPC_BASE	0x4a000000 	/* Synchronous Serial Port Control module */
44 #define GEMINI_PWRC_BASE	0x4b000000 	/* Power Control module */
45 #define GEMINI_CIR_BASE		0x4c000000 	/* CIR Control module */
46 #define GEMINI_GPIO0_BASE	0x4d000000 	/* GPIO module #0 */
47 #define GEMINI_GPIO1_BASE	0x4e000000 	/* GPIO module #1 */
48 #define GEMINI_GPIO2_BASE	0x4f000000 	/* GPIO module #2 */
49 #define GEMINI_PCICFG_BASE	0x50000000 	/* PCI IO, configuration and control space */
50 #define GEMINI_PCIIO_BASE	0x50001000 	/* PCI IO     space      */
51 #define GEMINI_PCIIO_SIZE	0x0007f000 	/* PCI IO     space size */
52 #define GEMINI_PCIMEM_BASE	0x58000000 	/* PCI Memory space      */
53 #define GEMINI_PCIMEM_SIZE	0x08000000 	/* PCI Memory space size */
54 #define GEMINI_NGC_BASE		0x60000000 	/* NetEngine & GMAC Configuration registers */
55 #define GEMINI_SDC_BASE		0x62000000 	/* Security DMA and Configure registers */
56 #define GEMINI_MIDE_BASE	0x63000000 	/* Multi IDE registers */
57 #define GEMINI_RXDC_BASE	0x64000000 	/* RAID XOR DMA Configuration registers */
58 #define GEMINI_FLASHC_BASE	0x65000000 	/* Flash Controller registers */
59 #define GEMINI_DRAMC_BASE	0x66000000 	/* DRAM (DDR/SDR) Controller registers */
60 #define GEMINI_GDMA_BASE	0x67000000 	/* General DMA registers */
61 #define GEMINI_USB0_BASE	0x68000000 	/* USB #0 registers */
62 #define GEMINI_USB1_BASE	0x69000000 	/* USB #1 registers */
63 #define GEMINI_TVE_BASE		0x6a000000 	/* TVE registers */
64 #define GEMINI_SRAM_SHADOW_BASE	0x70000000 	/* Shadow of internal SRAM */
65 
66 /*
67  * Gemini SL3516 Global register offsets and bits
68  */
69 #define GEMINI_GLOBAL_WORD_ID	0x0		/* Global Word ID */			/* ro */
70 #define  GLOBAL_ID_CHIP_ID	__BITS(31,8)
71 #define  GLOBAL_ID_CHIP_REV	__BITS(7,0)
72 #define GEMINI_GLOBAL_RESET_CTL	0xc		/* Global Soft Reset Control */		/* rw */
73 #define GLOBAL_RESET_GLOBAL	__BIT(31)	/* Global Soft Reset */
74 #define GLOBAL_RESET_CPU1	__BIT(30)	/* CPU#1 reset hold */
75 #define GEMINI_GLOBAL_MISC_CTL	0x30		/* Miscellaneous Control */		/* rw */
76 #define GEMINI_GLOBAL_CPU0	0x38		/* CPU #0 Status and Control */		/* rw */
77 #define  GLOBAL_CPU0_IPICPU1	__BIT(31)	/* IPI to CPU#1 */
78 #define GEMINI_GLOBAL_CPU1	0x3c		/* CPU #1 Status and Control */		/* rw */
79 #define  GLOBAL_CPU1_IPICPU0	__BIT(31)	/* IPI to CPU#0 */
80 
81 /*
82  * Gemini SL3516 Watchdog device register offsets and bits
83  */
84 #define GEMINI_WDT_WDCOUNTER	0x0		/* Watchdog Timer Counter */		/* ro */
85 #define GEMINI_WDT_WDLOAD	0x4		/* Watchdog Timer Load */		/* rw */
86 #define  WDT_WDLOAD_DFLT	0x3EF1480	/* default Load reg val */
87 #define GEMINI_WDT_WDRESTART	0x8		/* Watchdog Timer Restart */		/* wo */
88 #define  WDT_WDRESTART_Resv	__BITS(31,16)
89 #define  WDT_WDRESTART_RST	__BITS(15,0)
90 #define   WDT_WDRESTART_MAGIC	0x5ab9
91 #define GEMINI_WDT_WDCR		0xc		/* Watchdog Timer Control */		/* rw */
92 #define  WDT_WDCR_Resv		__BITS(31,5)
93 #define  WDT_WDCR_CLKSRC	__BIT(4)	/* Timer Clock Source: 5 MHz clock */
94 #define   WDCR_CLKSRC_PCLK	(0 << 4)	/* Timer Clock Source: PCLK (APB CLK) */
95 #define   WDCR_CLKSRC_5MHZ	(1 << 4)	/* Timer Clock Source: 5 MHz clock */
96 #define  WDT_WDCR_EXTSIG_ENB	__BIT(3)	/* Timer External Signal Enable */
97 #define  WDT_WDCR_INTR_ENB	__BIT(2)	/* Timer System Interrupt Enable */
98 #define  WDT_WDCR_RESET_ENB	__BIT(1)	/* Timer System Reset Enable */
99 #define  WDT_WDCR_ENB		__BIT(0)	/* Timer Enable */
100 #define GEMINI_WDT_WDSTATUS	0x10		/* Watchdog Timer Status */		/* ro */
101 #define  WDT_WDSTATUS_Resv	__BITS(31,1)
102 #define  WDT_WDSTATUS_ZERO	__BIT(0)	/* non-zero if timer counted down to zero! */
103 #define GEMINI_WDT_WDCLEAR	0x14		/* Watchdog Timer Clear */		/* wo */
104 #define  WDT_WDCLEAR_Resv	__BITS(31,1)
105 #define  WDT_WDCLEAR_CLEAR	__BIT(0)	/* write this bit to clear Status */
106 #define GEMINI_WDT_WDINTERLEN	0x18		/* Watchdog Timer Interrupt Length */	/* rw */
107 						/*  duration of signal assertion,  */
108 						/*  in units of clock cycles       */
109 #define  WDT_WDINTERLEN_DFLT	0xff		/*  default is 256 cycles          */
110 
111 
112 /*
113  * Gemini SL3516 Timer device register offsets and bits
114  *
115  * have 3 timers, here indexed 1<=(n)<=3 as in the doc
116  * each has 4 sequential 32bit rw regs
117  */
118 #define GEMINI_NTIMERS			3
119 #define GEMINI_TIMERn_REG(n, o)		((((n) - 1) * 0x10) + (o))
120 #define GEMINI_TIMERn_COUNTER(n)	GEMINI_TIMERn_REG((n), 0x0)			/* rw */
121 #define GEMINI_TIMERn_LOAD(n)		GEMINI_TIMERn_REG((n), 0x4)			/* rw */
122 #define GEMINI_TIMERn_MATCH1(n)		GEMINI_TIMERn_REG((n), 0x08)			/* rw */
123 #define GEMINI_TIMERn_MATCH2(n) 	GEMINI_TIMERn_REG((n), 0x0C)			/* rw */
124 #define GEMINI_TIMER_TMCR		0x30						/* rw */
125 #define  TIMER_TMCR_Resv		__BITS(31,12)
126 #define  TIMER_TMCR_TMnUPDOWN(n)	__BIT(9 + (n) - 1)
127 #define  TIMER_TMCR_TMnOFENABLE(n)	__BIT((((n) - 1) * 3) + 2)
128 #define  TIMER_TMCR_TMnCLOCK(n)		__BIT((((n) - 1) * 3) + 1)
129 #define  TIMER_TMCR_TMnENABLE(n)	__BIT((((n) - 1) * 3) + 0)
130 #define  GEMINI_TIMER_TMnCR_MASK(n) 		\
131 		( TIMER_TMCR_TMnUPDOWN(n)	\
132 		| TIMER_TMCR_TMnOFENABLE(n)	\
133 		| TIMER_TMCR_TMnCLOCK(n)	\
134 		| TIMER_TMCR_TMnENABLE(n) )
135 #define GEMINI_TIMER_INTRSTATE		0x34						/* rw */
136 #define  TIMER_INTRSTATE_Resv		__BITS(31,9)
137 #define  TIMER_INTRSTATE_TMnOVFLOW(n)	__BIT((((n) -1) * 3) + 2)
138 #define  TIMER_INTRSTATE_TMnMATCH2(n)	__BIT((((n) -1) * 3) + 1)
139 #define  TIMER_INTRSTATE_TMnMATCH1(n)	__BIT((((n) -1) * 3) + 0)
140 #define GEMINI_TIMER_INTRMASK		0x38						/* rw */
141 #define  TIMER_INTRMASK_Resv		__BITS(31,9)
142 #define  TIMER_INTRMASK_TMnOVFLOW(n)	__BIT((((n) -1) * 3) + 2)
143 #define  TIMER_INTRMASK_TMnMATCH2(n)	__BIT((((n) -1) * 3) + 1)
144 #define  TIMER_INTRMASK_TMnMATCH1(n)	__BIT((((n) -1) * 3) + 0)
145 #define GEMINI_TIMERn_INTRMASK(n) \
146 		( TIMER_INTRMASK_TMnOVFLOW(n)	\
147 		| TIMER_INTRMASK_TMnMATCH2(n)	\
148 		| TIMER_INTRMASK_TMnMATCH1(n) )
149 
150 /*
151  * Gemini SL3516 Interrupt Controller device register offsets and bits
152  */
153 #define GEMINI_ICU_IRQ_SOURCE		0x0						/* ro */
154 #define GEMINI_ICU_IRQ_ENABLE		0x4						/* rw */
155 #define GEMINI_ICU_IRQ_CLEAR		0x8						/* wo */
156 #define GEMINI_ICU_IRQ_TRIGMODE		0xc						/* rw */
157 #define  ICU_IRQ_TRIGMODE_EDGE		1		/* edge triggered */
158 #define  ICU_IRQ_TRIGMODE_LEVEL		0		/* level triggered */
159 #define GEMINI_ICU_IRQ_TRIGLEVEL	0x10						/* rw */
160 #define  ICU_IRQ_TRIGLEVEL_LO		1		/* active low or falling edge */
161 #define  ICU_IRQ_TRIGLEVEL_HI		0		/* active high or rising edge */
162 #define GEMINI_ICU_IRQ_STATUS		0x14						/* ro */
163 
164 #define GEMINI_ICU_FIQ_SOURCE		0x20						/* ro */
165 #define GEMINI_ICU_FIQ_ENABLE		0x24						/* rw */
166 #define GEMINI_ICU_FIQ_CLEAR		0x28						/* wo */
167 #define GEMINI_ICU_FIQ_TRIGMODE		0x2c						/* rw */
168 #define GEMINI_ICU_FIQ_TRIGLEVEL	0x30						/* rw */
169 #define GEMINI_ICU_FIQ_STATUS		0x34						/* ro */
170 
171 #define GEMINI_ICU_REVISION		0x50						/* ro */
172 #define GEMINI_ICU_INPUT_NUM		0x54						/* ro */
173 #define  ICU_INPUT_NUM_RESV		__BITS(31,16)
174 #define  ICU_INPUT_NUM_IRQ		__BITS(15,8)
175 #define  ICU_INPUT_NUM_FIQ		__BITS(7,0)
176 #define GEMINI_ICU_IRQ_DEBOUNCE		0x58						/* ro */
177 #define GEMINI_ICU_FIQ_DEBOUNCE		0x5c						/* ro */
178 
179 
180 /*
181  * Gemini LPC controller register offsets and bits
182  */
183 #define GEMINI_LPCHC_ID			0x00						/* ro */
184 # define LPCHC_ID_DEVICE		__BITS(31,8)	/* Device ID */
185 # define LPCHC_ID_REV			__BITS(7,0)	/* Revision */
186 # define _LPCHC_ID_DEVICE(r)		((typeof(r))(((r) & LPCHC_ID_DEVICE) >> 8))
187 # define _LPCHC_ID_REV(r)		((typeof(r))(((r) & LPCHC_ID_REV) >> 0))
188 #define GEMINI_LPCHC_CSR		0x04						/* rw */
189 # define LPCHC_CSR_RESa			__BITS(31,24)
190 # define LPCHC_CSR_STO			__BIT(23)	/* Sync Time Out */
191 # define LPCHC_CSR_SERR			__BIT(22)	/* Sync Error */
192 # define LPCHC_CSR_RESb			__BITS(21,8)
193 # define LPCHC_CSR_STOE			__BIT(7)	/* Sync Time Out Enable */
194 # define LPCHC_CSR_SERRE		__BIT(6)	/* Sync Error Enable */
195 # define LPCHC_CSR_RESc			__BITS(5,1)
196 # define LPCHC_CSR_BEN			__BIT(0)	/* Bridge Enable */
197 #define GEMINI_LPCHC_IRQCTL		0x08						/* rw */
198 # define LPCHC_IRQCTL_RESV		__BITS(31,8)
199 # define LPCHC_IRQCTL_SIRQEN		__BIT(7)	/* Serial IRQ Enable */
200 # define LPCHC_IRQCTL_SIRQMS		__BIT(6)	/* Serial IRQ Mode Select */
201 # define LPCHC_IRQCTL_SIRQFN		__BITS(5,2)	/* Serial IRQ Frame Number */
202 # define LPCHC_IRQCTL_SIRQFW		__BITS(1,0)	/* Serial IRQ Frame Width */
203 #  define IRQCTL_SIRQFW_4		0
204 #  define IRQCTL_SIRQFW_6		1
205 #  define IRQCTL_SIRQFW_8		2
206 #  define IRQCTL_SIRQFW_RESV		3
207 #define GEMINI_LPCHC_SERIRQSTS		0x0c						/* rwc */
208 # define LPCHC_SERIRQSTS_RESV		__BITS(31,17)
209 #define GEMINI_LPCHC_SERIRQTYP		0x10						/* rw */
210 # define LPCHC_SERIRQTYP_RESV		__BITS(31,17)
211 #  define SERIRQTYP_EDGE		1
212 #  define SERIRQTYP_LEVEL		0
213 #define GEMINI_LPCHC_SERIRQPOLARITY	0x14						/* rw */
214 # define LPCHC_SERIRQPOLARITY_RESV	__BITS(31,17)
215 #  define SERIRQPOLARITY_HI		1
216 #  define SERIRQPOLARITY_LO		0
217 #define GEMINI_LPCHC_SIZE		(GEMINI_LPCHC_SERIRQPOLARITY + 4)
218 #define GEMINI_LPCHC_NSERIRQ		17
219 
220 /*
221  * Gemini PCI controller register offsets and bits
222  */
223 #define GEMINI_PCI_IOSIZE		0x00		/* I/O Space Size */		/* rw */
224 #define GEMINI_PCI_PROT			0x04		/* AHB Protection */		/* rw */
225 #define GEMINI_PCI_PCICTRL		0x08		/* PCI Control Signal */	/* rw */
226 #define GEMINI_PCI_ERREN		0x0c		/* Soft Reset Counter and
227 							 * Response Error Enable */	/* rw */
228 #define GEMINI_PCI_SOFTRST		0x10		/* Soft Reset */
229 #define GEMINI_PCI_CFG_CMD		0x28		/* PCI Configuration Command */	/* rw */
230 #define  PCI_CFG_CMD_ENB		__BIT(31)	/*  Enable */
231 #define  PCI_CFG_CMD_RESa		__BITS(30,24)
232 #define  PCI_CFG_CMD_BUSNO		__BITS(23,16)	/*  Bus      Number */
233 #define  PCI_CFG_CMD_BUSn(n)		(((n) << 16) & PCI_CFG_CMD_BUSNO)
234 #define  PCI_CFG_CMD_DEVNO		__BITS(15,11)	/*  Device   Number */
235 #define  PCI_CFG_CMD_DEVn(n)		(((n) << 11) & PCI_CFG_CMD_DEVNO)
236 #define  PCI_CFG_CMD_FUNCNO		__BITS(10,8)	/*  Function Number */
237 #define  PCI_CFG_CMD_FUNCn(n)		(((n) << 8) & PCI_CFG_CMD_FUNCNO)
238 #define  PCI_CFG_CMD_REGNO		__BITS(7,2)	/*  Register Number */
239 #define  PCI_CFG_CMD_REGn(n)		(((n) << 0) & PCI_CFG_CMD_REGNO)
240 #define  PCI_CFG_CMD_RESb		__BITS(1,0)
241 #define  PCI_CFG_CMD_RESV	\
242 		(PCI_CFG_CMD_RESa | PCI_CFG_CMD_RESb)
243 #define GEMINI_PCI_CFG_DATA		0x2c		/* PCI Configuration Data */	/* rw */
244 
245 /*
246  * Gemini machine dependent PCI config registers
247  */
248 #define	GEMINI_PCI_CFG_REG_PMR1		0x40		/* Power Management 1 */	/* rw */
249 #define	GEMINI_PCI_CFG_REG_PMR2		0x44		/* Power Management 2 */	/* rw */
250 #define	GEMINI_PCI_CFG_REG_CTL1		0x48		/* Control 1 */			/* rw */
251 #define	GEMINI_PCI_CFG_REG_CTL2		0x4c		/* Control 2 */			/* rw */
252 #define	 PCI_CFG_REG_CTL2_INTSTS	__BITS(31,28)
253 #define	  CFG_REG_CTL2_INTSTS_INTD	__BIT(28 + 3)
254 #define	  CFG_REG_CTL2_INTSTS_INTC	__BIT(28 + 2)
255 #define	  CFG_REG_CTL2_INTSTS_INTB	__BIT(28 + 1)
256 #define	  CFG_REG_CTL2_INTSTS_INTA	__BIT(28 + 0)
257 #define	 PCI_CFG_REG_CTL2_INTMASK	__BITS(27,16)
258 #define	  CFG_REG_CTL2_INTMASK_CMDERR	__BIT(16 + 11)
259 #define	  CFG_REG_CTL2_INTMASK_PARERR	__BIT(16 + 10)
260 #define	  CFG_REG_CTL2_INTMASK_INTD	__BIT(16 + 9)
261 #define	  CFG_REG_CTL2_INTMASK_INTC	__BIT(16 + 8)
262 #define	  CFG_REG_CTL2_INTMASK_INTB	__BIT(16 + 7)
263 #define	  CFG_REG_CTL2_INTMASK_INTA	__BIT(16 + 6)
264 #define	  CFG_REG_CTL2_INTMASK_INT_ABCD	__BITS(16+9,16+6)
265 #define	  CFG_REG_CTL2_INTMASK_MABRT_RX	__BIT(16 + 5)
266 #define	  CFG_REG_CTL2_INTMASK_TABRT_RX	__BIT(16 + 4)
267 #define	  CFG_REG_CTL2_INTMASK_TABRT_TX	__BIT(16 + 3)
268 #define	  CFG_REG_CTL2_INTMASK_RETRY4	__BIT(16 + 2)
269 #define	  CFG_REG_CTL2_INTMASK_SERR_RX	__BIT(16 + 1)
270 #define	  CFG_REG_CTL2_INTMASK_PERR_RX	__BIT(16 + 0)
271 #define	 PCI_CFG_REG_CTL2_RESa		__BIT(15)
272 #define	 PCI_CFG_REG_CTL2_MSTPRI	__BITS(14,8)
273 #define	  CFG_REG_CTL2_MSTPRI_REQn(n)	__BIT(8 + (n))
274 #define	 PCI_CFG_REG_CTL2_RESb		__BITS(7,4)
275 #define	 PCI_CFG_REG_CTL2_TRDYW		__BITS(3,0)
276 #define	 PCI_CFG_REG_CTL2_RESV	\
277 		(PCI_CFG_REG_CTL2_RESa | PCI_CFG_REG_CTL2_RESb)
278 #define	GEMINI_PCI_CFG_REG_MEM1		0x50		/* Memory 1 Base */		/* rw */
279 #define	GEMINI_PCI_CFG_REG_MEM2		0x54		/* Memory 2 Base */		/* rw */
280 #define	GEMINI_PCI_CFG_REG_MEM3		0x58		/* Memory 3 Base */		/* rw */
281 #define	 PCI_CFG_REG_MEM_BASE_MASK	__BITS(31,20)
282 #define	 PCI_CFG_REG_MEM_BASE(base)	((base) & PCI_CFG_REG_MEM_BASE_MASK)
283 #define	 PCI_CFG_REG_MEM_SIZE_MASK	__BITS(19,16)
284 #define	 PCI_CFG_REG_MEM_SIZE_1MB	(0x0 << 16)
285 #define	 PCI_CFG_REG_MEM_SIZE_2MB	(0x1 << 16)
286 #define	 PCI_CFG_REG_MEM_SIZE_4MB	(0x2 << 16)
287 #define	 PCI_CFG_REG_MEM_SIZE_8MB	(0x3 << 16)
288 #define	 PCI_CFG_REG_MEM_SIZE_16MB	(0x4 << 16)
289 #define	 PCI_CFG_REG_MEM_SIZE_32MB	(0x5 << 16)
290 #define	 PCI_CFG_REG_MEM_SIZE_64MB	(0x6 << 16)
291 #define	 PCI_CFG_REG_MEM_SIZE_128MB	(0x7 << 16)
292 #define	 PCI_CFG_REG_MEM_SIZE_256MB	(0x8 << 16)
293 #define	 PCI_CFG_REG_MEM_SIZE_512MB	(0x9 << 16)
294 #define	 PCI_CFG_REG_MEM_SIZE_1GB	(0xa << 16)
295 #define	 PCI_CFG_REG_MEM_SIZE_2GB	(0xb << 16)
296 #define	 PCI_CFG_REG_MEM_RESV		__BITS(19,16)
297 
298 #ifndef _LOCORE
299 static inline unsigned int
300 gemini_pci_cfg_reg_mem_size(size_t sz)
301 {
302 	switch (sz) {
303 	case (1 << 20):
304 		return PCI_CFG_REG_MEM_SIZE_1MB;
305 	case (2 << 20):
306 		return PCI_CFG_REG_MEM_SIZE_2MB;
307 	case (4 << 20):
308 		return PCI_CFG_REG_MEM_SIZE_4MB;
309 	case (8 << 20):
310 		return PCI_CFG_REG_MEM_SIZE_8MB;
311 	case (16 << 20):
312 		return PCI_CFG_REG_MEM_SIZE_16MB;
313 	case (32 << 20):
314 		return PCI_CFG_REG_MEM_SIZE_32MB;
315 	case (64 << 20):
316 		return PCI_CFG_REG_MEM_SIZE_64MB;
317 	case (128 << 20):
318 		return PCI_CFG_REG_MEM_SIZE_128MB;
319 	case (256 << 20):
320 		return PCI_CFG_REG_MEM_SIZE_256MB;
321 	case (512 << 20):
322 		return PCI_CFG_REG_MEM_SIZE_512MB;
323 	case (1024 << 20):
324 		return PCI_CFG_REG_MEM_SIZE_1GB;
325 	case (2048 << 20):
326 		return PCI_CFG_REG_MEM_SIZE_2GB;
327 	default:
328 		panic("gemini_pci_cfg_reg_mem_size: bad size %#lx\n", sz);
329 	}
330 	/* NOTREACHED */
331 }
332 #endif	/* _LOCORE */
333 
334 /*
335  * Gemini SL3516 IDE device register offsets, &etc.
336  */
337 #define GEMINI_MIDE_NCHAN		2
338 #define GEMINI_MIDE_OFFSET(chan)	((chan == 0) ? 0x0 : 0x400000)
339 #define GEMINI_MIDE_BASEn(chan)		(GEMINI_MIDE_BASE + GEMINI_MIDE_OFFSET(chan))
340 #define GEMINI_MIDE_CMDBLK		0x20
341 #define GEMINI_MIDE_CTLBLK		0x36
342 #define GEMINI_MIDE_SIZE		0x40
343 
344 
345 /*
346  * Gemini DRAM Controller register offsets, &etc.
347  */
348 #define GEMINI_DRAMC_RMCR		0x40		/* CPU Remap Control */				/* rw */
349 #define  DRAMC_RMCR_RESa		__BITS(31,29)
350 #define  DRAMC_RMCR_RMBAR		__BITS(28,20)	/* Remap Base Address */
351 #define  DRAMC_RMCR_RMBAR_SHFT		20
352 #define  DRAMC_RMCR_RESb		__BITS(19,9)
353 #define  DRAMC_RMCR_RMSZR		__BITS(8,0)	/* Remap Size Address */
354 #define  DRAMC_RMCR_RMSZR_SHFT		0
355 
356 #else
357 # error unknown gemini cpu type
358 #endif
359 
360 #endif	/* _ARM_GEMINI_REG_H_ */
361