[people/ms/u-boot.git] / include / ambapp.h

/* Interface for accessing Gaisler AMBA Plug&Play Bus.
 * The AHB bus can be interfaced with a simpler bus -
 * the APB bus, also freely available in GRLIB at
 * www.gaisler.com.
 *
 * (C) Copyright 2007
 * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __AMBAPP_H__
#define __AMBAPP_H__

/* Default location of Plug&Play info
 * normally 0xfffff000 for AHB masters
 * and 0xfffff800 for AHB slaves.
 * Normally no need to change this.
 */
#define LEON3_IO_AREA 0xfff00000
#define LEON3_CONF_AREA  0xff000
#define LEON3_AHB_SLAVE_CONF_AREA (1 << 11)

/* Max devices this software will support */
#define LEON3_AHB_MASTERS 16
#define LEON3_AHB_SLAVES 16
/*#define LEON3_APB_MASTERS 1*/ /* Number of APB buses that has Plug&Play */
#define LEON3_APB_SLAVES 16	/* Total number of APB slaves per APB bus */

/* Vendor codes */
#define VENDOR_GAISLER       1
#define VENDOR_PENDER        2
#define VENDOR_ESA           4
#define VENDOR_ASTRIUM       6
#define VENDOR_OPENCHIP      7
#define VENDOR_OPENCORES     8
#define VENDOR_CONTRIB       9
#define VENDOR_EONIC         11
#define VENDOR_RADIONOR      15
#define VENDOR_GLEICHMANN    16
#define VENDOR_MENTA         17
#define VENDOR_SUN           19
#define VENDOR_EMBEDDIT      234
#define VENDOR_CAL           202

/* Gaisler Research device id's */
#define GAISLER_LEON3    0x003
#define GAISLER_LEON3DSU 0x004
#define GAISLER_ETHAHB   0x005
#define GAISLER_APBMST   0x006
#define GAISLER_AHBUART  0x007
#define GAISLER_SRCTRL   0x008
#define GAISLER_SDCTRL   0x009
#define GAISLER_APBUART  0x00C
#define GAISLER_IRQMP    0x00D
#define GAISLER_AHBRAM   0x00E
#define GAISLER_GPTIMER  0x011
#define GAISLER_PCITRG   0x012
#define GAISLER_PCISBRG  0x013
#define GAISLER_PCIFBRG  0x014
#define GAISLER_PCITRACE 0x015
#define GAISLER_PCIDMA   0x016
#define GAISLER_AHBTRACE 0x017
#define GAISLER_ETHDSU   0x018
#define GAISLER_PIOPORT  0x01A
#define GAISLER_AHBJTAG  0x01c
#define GAISLER_SPW      0x01f
#define GAISLER_ATACTRL  0x024
#define GAISLER_VGA      0x061
#define GAISLER_KBD      0X060
#define GAISLER_ETHMAC   0x01D
#define GAISLER_DDRSPA   0x025
#define GAISLER_EHCI     0x026
#define GAISLER_UHCI     0x027
#define GAISLER_SPW2     0x029
#define GAISLER_DDR2SPA  0x02E
#define GAISLER_AHBSTAT  0x052
#define GAISLER_FTMCTRL  0x054

#define GAISLER_L2TIME   0xffd	/* internal device: leon2 timer */
#define GAISLER_L2C      0xffe	/* internal device: leon2compat */
#define GAISLER_PLUGPLAY 0xfff	/* internal device: plug & play configarea */

/* European Space Agency device id's */
#define ESA_LEON2        0x2
#define ESA_MCTRL        0xF

/* Opencores device id's */
#define OPENCORES_PCIBR  0x4
#define OPENCORES_ETHMAC 0x5

/* Vendor codes */

/*
 *
 * Macros for manipulating Configuration registers
 *
 */

#define amba_vendor(x) (((x) >> 24) & 0xff)

#define amba_device(x) (((x) >> 12) & 0xfff)

#define amba_membar_start(mbar) \
 (((mbar) & 0xfff00000) & (((mbar) & 0xfff0) << 16))

#define amba_iobar_start(base, iobar) \
 ((base) | ((((iobar) & 0xfff00000)>>12) & (((iobar) & 0xfff0)<<4)) )

#define amba_irq(conf) ((conf) & 0xf)

#define amba_ver(conf) (((conf)>>5) & 0x1f)

#define amba_membar_type(mbar) ((mbar) & 0xf)

#define amba_membar_mask(mbar) (((mbar)>>4) & 0xfff)

#define AMBA_TYPE_APBIO 0x1
#define AMBA_TYPE_MEM   0x2
#define AMBA_TYPE_AHBIO 0x3

#define AMBA_TYPE_AHBIO_ADDR(addr) (LEON3_IO_AREA | ((addr) >> 12))

#ifndef __ASSEMBLER__

#ifdef CONFIG_CMD_AMBAPP

/* AMBA Plug&Play relocation & initialization */
int ambapp_init_reloc(void);

/* AMBA Plug&Play Name of Vendors and devices */

/* Return name of device */
char *ambapp_device_id2str(int vendor, int id);

/* Return name of vendor */
char *ambapp_vendor_id2str(int vendor);
#endif

/*
 *  Types and structure used for AMBA Plug & Play bus scanning
 */

/* AMBA Plug&Play AHB information layout */
typedef struct {
	unsigned int conf;
	unsigned int userdef[3];
	unsigned int bars[4];
} ahbctrl_pp_dev;

/* Prototypes for scanning AMBA Plug&Play bus for AMBA
 *  i)   AHB Masters
 *  ii)  AHB Slaves
 *  iii) APB Slaves (APB MST is a AHB Slave)
 */

typedef struct {
	unsigned char irq;
	unsigned char ver;
	unsigned int address;
} ambapp_apbdev;

typedef struct {
	unsigned char irq;
	unsigned char ver;
	unsigned int userdef[3];
	unsigned int address[4];
} ambapp_ahbdev;

/* AMBA Plug&Play AHB Masters & Slaves information locations
 * Max devices is 64 supported by HW, however often only 8
 * are used.
 */
typedef struct {
	ahbctrl_pp_dev masters[64];
	ahbctrl_pp_dev slaves[64];
} ahbctrl_info;

/* AMBA Plug&Play AHB information layout */
typedef struct {
	unsigned int conf;
	unsigned int bar;
} apbctrl_pp_dev;

/* All functions return the number of found devices
 * 0 = no devices found
 */

/****************************** APB SLAVES ******************************/
int ambapp_apb_count(unsigned int vendor, unsigned int driver);

int ambapp_apb_first(unsigned int vendor,
		     unsigned int driver, ambapp_apbdev * dev);

int ambapp_apb_next(unsigned int vendor,
		    unsigned int driver, ambapp_apbdev * dev, int index);

int ambapp_apbs_first(unsigned int vendor,
		      unsigned int driver, ambapp_apbdev * dev, int max_cnt);

/****************************** AHB MASTERS ******************************/
int ambapp_ahbmst_count(unsigned int vendor, unsigned int driver);

int ambapp_ahbmst_first(unsigned int vendor,
			unsigned int driver, ambapp_ahbdev * dev);

int ambapp_ahbmst_next(unsigned int vendor,
		       unsigned int driver, ambapp_ahbdev * dev, int index);

int ambapp_ahbmsts_first(unsigned int vendor,
			 unsigned int driver, ambapp_ahbdev * dev, int max_cnt);

/****************************** AHB SLAVES ******************************/
int ambapp_ahbslv_count(unsigned int vendor, unsigned int driver);

int ambapp_ahbslv_first(unsigned int vendor,
			unsigned int driver, ambapp_ahbdev * dev);

int ambapp_ahbslv_next(unsigned int vendor,
		       unsigned int driver, ambapp_ahbdev * dev, int index);

int ambapp_ahbslvs_first(unsigned int vendor,
			 unsigned int driver, ambapp_ahbdev * dev, int max_cnt);

/*************************** AHB/APB only regs functions *************************
 * During start up, no memory is available we can use the simplified functions
 * to get to the memory controller.
 *
 * Functions uses no stack/memory, only registers.
 */
unsigned int ambapp_apb_next_nomem(register unsigned int vendor,	/* Plug&Play Vendor ID */
				   register unsigned int driver,	/* Plug&Play Device ID */
				   register int index);

ahbctrl_pp_dev *ambapp_ahb_next_nomem(register unsigned int vendor,	/* Plug&Play Vendor ID */
				      register unsigned int driver,	/* Plug&Play Device ID */
				      register unsigned int opts,	/* scan for AHB 1=slave, 0=masters */
				      register int index);

unsigned int ambapp_ahb_get_info(ahbctrl_pp_dev * ahb, int info);

/*************************** AMBA Plug&Play device register MAPS *****************/

/*
 *  The following defines the bits in the LEON UART Status Registers.
 */

#define LEON_REG_UART_STATUS_DR   0x00000001	/* Data Ready */
#define LEON_REG_UART_STATUS_TSE  0x00000002	/* TX Send Register Empty */
#define LEON_REG_UART_STATUS_THE  0x00000004	/* TX Hold Register Empty */
#define LEON_REG_UART_STATUS_BR   0x00000008	/* Break Error */
#define LEON_REG_UART_STATUS_OE   0x00000010	/* RX Overrun Error */
#define LEON_REG_UART_STATUS_PE   0x00000020	/* RX Parity Error */
#define LEON_REG_UART_STATUS_FE   0x00000040	/* RX Framing Error */
#define LEON_REG_UART_STATUS_ERR  0x00000078	/* Error Mask */

/*
 *  The following defines the bits in the LEON UART Ctrl Registers.
 */

#define LEON_REG_UART_CTRL_RE     0x00000001	/* Receiver enable */
#define LEON_REG_UART_CTRL_TE     0x00000002	/* Transmitter enable */
#define LEON_REG_UART_CTRL_RI     0x00000004	/* Receiver interrupt enable */
#define LEON_REG_UART_CTRL_TI     0x00000008	/* Transmitter interrupt enable */
#define LEON_REG_UART_CTRL_PS     0x00000010	/* Parity select */
#define LEON_REG_UART_CTRL_PE     0x00000020	/* Parity enable */
#define LEON_REG_UART_CTRL_FL     0x00000040	/* Flow control enable */
#define LEON_REG_UART_CTRL_LB     0x00000080	/* Loop Back enable */
#define LEON_REG_UART_CTRL_DBG    (1<<11)	/* Debug Bit used by GRMON */

#define LEON3_GPTIMER_EN 1
#define LEON3_GPTIMER_RL 2
#define LEON3_GPTIMER_LD 4
#define LEON3_GPTIMER_IRQEN 8

/*
 *  The following defines the bits in the LEON PS/2 Status Registers.
 */

#define LEON_REG_PS2_STATUS_DR   0x00000001	/* Data Ready */
#define LEON_REG_PS2_STATUS_PE   0x00000002	/* Parity error */
#define LEON_REG_PS2_STATUS_FE   0x00000004	/* Framing error */
#define LEON_REG_PS2_STATUS_KI   0x00000008	/* Keyboard inhibit */

/*
 *  The following defines the bits in the LEON PS/2 Ctrl Registers.
 */

#define LEON_REG_PS2_CTRL_RE     0x00000001	/* Receiver enable */
#define LEON_REG_PS2_CTRL_TE     0x00000002	/* Transmitter enable */
#define LEON_REG_PS2_CTRL_RI     0x00000004	/* Keyboard receive interrupt  */
#define LEON_REG_PS2_CTRL_TI     0x00000008	/* Keyboard transmit interrupt */

typedef struct {
	volatile unsigned int ilevel;
	volatile unsigned int ipend;
	volatile unsigned int iforce;
	volatile unsigned int iclear;
	volatile unsigned int mstatus;
	volatile unsigned int notused[11];
	volatile unsigned int cpu_mask[16];
	volatile unsigned int cpu_force[16];
} ambapp_dev_irqmp;

typedef struct {
	volatile unsigned int data;
	volatile unsigned int status;
	volatile unsigned int ctrl;
	volatile unsigned int scaler;
} ambapp_dev_apbuart;

typedef struct {
	volatile unsigned int val;
	volatile unsigned int rld;
	volatile unsigned int ctrl;
	volatile unsigned int unused;
} ambapp_dev_gptimer_element;

#define LEON3_GPTIMER_CTRL_EN	0x1	/* Timer enable */
#define LEON3_GPTIMER_CTRL_RS	0x2	/* Timer reStart  */
#define LEON3_GPTIMER_CTRL_LD	0x4	/* Timer reLoad */
#define LEON3_GPTIMER_CTRL_IE	0x8	/* interrupt enable */
#define LEON3_GPTIMER_CTRL_IP	0x10	/* interrupt flag/pending */
#define LEON3_GPTIMER_CTRL_CH	0x20	/* Chain with previous timer */

typedef struct {
	volatile unsigned int scalar;
	volatile unsigned int scalar_reload;
	volatile unsigned int config;
	volatile unsigned int unused;
	volatile ambapp_dev_gptimer_element e[8];
} ambapp_dev_gptimer;

typedef struct {
	volatile unsigned int iodata;
	volatile unsigned int ioout;
	volatile unsigned int iodir;
	volatile unsigned int irqmask;
	volatile unsigned int irqpol;
	volatile unsigned int irqedge;
} ambapp_dev_ioport;

typedef struct {
	volatile unsigned int write;
	volatile unsigned int dummy;
	volatile unsigned int txcolor;
	volatile unsigned int bgcolor;
} ambapp_dev_textvga;

typedef struct {
	volatile unsigned int data;
	volatile unsigned int status;
	volatile unsigned int ctrl;
} ambapp_dev_apbps2;

typedef struct {
	unsigned int mcfg1, mcfg2, mcfg3;
} ambapp_dev_mctrl;

typedef struct {
	unsigned int sdcfg;
} ambapp_dev_sdctrl;

typedef struct {
	unsigned int cfg1;
	unsigned int cfg2;
	unsigned int cfg3;
} ambapp_dev_ddr2spa;

typedef struct {
	unsigned int ctrl;
	unsigned int cfg;
} ambapp_dev_ddrspa;

#endif

#endif
Commit	Line	Data
1e9a164e DH	1	/* Interface for accessing Gaisler AMBA Plug&Play Bus.
	2	* The AHB bus can be interfaced with a simpler bus -
	3	* the APB bus, also freely available in GRLIB at
	4	* www.gaisler.com.
	5	*
	6	* (C) Copyright 2007
	7	* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
	8	*
1a459660	9	* SPDX-License-Identifier: GPL-2.0+
1e9a164e DH	10	*/
	11
	12	#ifndef __AMBAPP_H__
	13	#define __AMBAPP_H__
	14
	15	/* Default location of Plug&Play info
	16	* normally 0xfffff000 for AHB masters
	17	* and 0xfffff800 for AHB slaves.
	18	* Normally no need to change this.
	19	*/
	20	#define LEON3_IO_AREA 0xfff00000
	21	#define LEON3_CONF_AREA 0xff000
	22	#define LEON3_AHB_SLAVE_CONF_AREA (1 << 11)
	23
	24	/* Max devices this software will support */
	25	#define LEON3_AHB_MASTERS 16
	26	#define LEON3_AHB_SLAVES 16
1aeed8d7	27	/#define LEON3_APB_MASTERS 1/ /* Number of APB buses that has Plug&Play */
1e9a164e DH	28	#define LEON3_APB_SLAVES 16 /* Total number of APB slaves per APB bus */
	29
	30	/* Vendor codes */
	31	#define VENDOR_GAISLER 1
	32	#define VENDOR_PENDER 2
	33	#define VENDOR_ESA 4
	34	#define VENDOR_ASTRIUM 6
	35	#define VENDOR_OPENCHIP 7
	36	#define VENDOR_OPENCORES 8
	37	#define VENDOR_CONTRIB 9
	38	#define VENDOR_EONIC 11
	39	#define VENDOR_RADIONOR 15
	40	#define VENDOR_GLEICHMANN 16
	41	#define VENDOR_MENTA 17
	42	#define VENDOR_SUN 19
	43	#define VENDOR_EMBEDDIT 234
	44	#define VENDOR_CAL 202
	45
	46	/* Gaisler Research device id's */
	47	#define GAISLER_LEON3 0x003
	48	#define GAISLER_LEON3DSU 0x004
	49	#define GAISLER_ETHAHB 0x005
	50	#define GAISLER_APBMST 0x006
	51	#define GAISLER_AHBUART 0x007
	52	#define GAISLER_SRCTRL 0x008
	53	#define GAISLER_SDCTRL 0x009
	54	#define GAISLER_APBUART 0x00C
	55	#define GAISLER_IRQMP 0x00D
	56	#define GAISLER_AHBRAM 0x00E
	57	#define GAISLER_GPTIMER 0x011
	58	#define GAISLER_PCITRG 0x012
	59	#define GAISLER_PCISBRG 0x013
	60	#define GAISLER_PCIFBRG 0x014
	61	#define GAISLER_PCITRACE 0x015
	62	#define GAISLER_PCIDMA 0x016
	63	#define GAISLER_AHBTRACE 0x017
	64	#define GAISLER_ETHDSU 0x018
	65	#define GAISLER_PIOPORT 0x01A
	66	#define GAISLER_AHBJTAG 0x01c
	67	#define GAISLER_SPW 0x01f
	68	#define GAISLER_ATACTRL 0x024
	69	#define GAISLER_VGA 0x061
	70	#define GAISLER_KBD 0X060
	71	#define GAISLER_ETHMAC 0x01D
	72	#define GAISLER_DDRSPA 0x025
	73	#define GAISLER_EHCI 0x026
	74	#define GAISLER_UHCI 0x027
	75	#define GAISLER_SPW2 0x029
	76	#define GAISLER_DDR2SPA 0x02E
	77	#define GAISLER_AHBSTAT 0x052
	78	#define GAISLER_FTMCTRL 0x054
	79
	80	#define GAISLER_L2TIME 0xffd /* internal device: leon2 timer */
	81	#define GAISLER_L2C 0xffe /* internal device: leon2compat */
	82	#define GAISLER_PLUGPLAY 0xfff /* internal device: plug & play configarea */
	83
	84	/* European Space Agency device id's */
	85	#define ESA_LEON2 0x2
	86	#define ESA_MCTRL 0xF
	87
	88	/* Opencores device id's */
	89	#define OPENCORES_PCIBR 0x4
	90	#define OPENCORES_ETHMAC 0x5
	91
92	/* Vendor codes */
93
94	/*
95	*
96	* Macros for manipulating Configuration registers
97	*
98	*/
99
100	#define amba_vendor(x) (((x) >> 24) & 0xff)
101
102	#define amba_device(x) (((x) >> 12) & 0xfff)
103
104	#define amba_membar_start(mbar) \
105	(((mbar) & 0xfff00000) & (((mbar) & 0xfff0) << 16))
106
107	#define amba_iobar_start(base, iobar) \
108	((base) \| ((((iobar) & 0xfff00000)>>12) & (((iobar) & 0xfff0)<<4)) )
109
110	#define amba_irq(conf) ((conf) & 0xf)
111
112	#define amba_ver(conf) (((conf)>>5) & 0x1f)
113
114	#define amba_membar_type(mbar) ((mbar) & 0xf)
115
116	#define amba_membar_mask(mbar) (((mbar)>>4) & 0xfff)
117
118	#define AMBA_TYPE_APBIO 0x1
119	#define AMBA_TYPE_MEM 0x2
120	#define AMBA_TYPE_AHBIO 0x3
121
122	#define AMBA_TYPE_AHBIO_ADDR(addr) (LEON3_IO_AREA \| ((addr) >> 12))
123
124	#ifndef __ASSEMBLER__
125
2a2fa797 DH	126	#ifdef CONFIG_CMD_AMBAPP
	127
	128	/* AMBA Plug&Play relocation & initialization */
	129	int ambapp_init_reloc(void);
	130
	131	/* AMBA Plug&Play Name of Vendors and devices */
	132
	133	/* Return name of device */
	134	char *ambapp_device_id2str(int vendor, int id);
	135
	136	/* Return name of vendor */
	137	char *ambapp_vendor_id2str(int vendor);
	138	#endif
	139
1e9a164e DH	140	/*
	141	* Types and structure used for AMBA Plug & Play bus scanning
	142	*/
	143
	144	/* AMBA Plug&Play AHB information layout */
	145	typedef struct {
	146	unsigned int conf;
	147	unsigned int userdef[3];
	148	unsigned int bars[4];
	149	} ahbctrl_pp_dev;
	150
	151	/* Prototypes for scanning AMBA Plug&Play bus for AMBA
	152	* i) AHB Masters
	153	* ii) AHB Slaves
	154	* iii) APB Slaves (APB MST is a AHB Slave)
	155	*/
	156
	157	typedef struct {
	158	unsigned char irq;
	159	unsigned char ver;
	160	unsigned int address;
	161	} ambapp_apbdev;
	162
	163	typedef struct {
	164	unsigned char irq;
	165	unsigned char ver;
	166	unsigned int userdef[3];
	167	unsigned int address[4];
	168	} ambapp_ahbdev;
	169
	170	/* AMBA Plug&Play AHB Masters & Slaves information locations
	171	* Max devices is 64 supported by HW, however often only 8
	172	* are used.
	173	*/
	174	typedef struct {
	175	ahbctrl_pp_dev masters[64];
	176	ahbctrl_pp_dev slaves[64];
	177	} ahbctrl_info;
	178
	179	/* AMBA Plug&Play AHB information layout */
	180	typedef struct {
	181	unsigned int conf;
	182	unsigned int bar;
	183	} apbctrl_pp_dev;
	184
	185	/* All functions return the number of found devices
	186	* 0 = no devices found
	187	*/
	188
	189	/**************************** APB SLAVES ****************************/
	190	int ambapp_apb_count(unsigned int vendor, unsigned int driver);
	191
	192	int ambapp_apb_first(unsigned int vendor,
	193	unsigned int driver, ambapp_apbdev * dev);
	194
	195	int ambapp_apb_next(unsigned int vendor,
	196	unsigned int driver, ambapp_apbdev * dev, int index);
	197
	198	int ambapp_apbs_first(unsigned int vendor,
	199	unsigned int driver, ambapp_apbdev * dev, int max_cnt);
	200
	201	/**************************** AHB MASTERS ****************************/
	202	int ambapp_ahbmst_count(unsigned int vendor, unsigned int driver);
	203
204	int ambapp_ahbmst_first(unsigned int vendor,
205	unsigned int driver, ambapp_ahbdev * dev);
206
207	int ambapp_ahbmst_next(unsigned int vendor,
208	unsigned int driver, ambapp_ahbdev * dev, int index);
209
210	int ambapp_ahbmsts_first(unsigned int vendor,
211	unsigned int driver, ambapp_ahbdev * dev, int max_cnt);
212
213	/**************************** AHB SLAVES ****************************/
214	int ambapp_ahbslv_count(unsigned int vendor, unsigned int driver);
215
216	int ambapp_ahbslv_first(unsigned int vendor,
217	unsigned int driver, ambapp_ahbdev * dev);
218
219	int ambapp_ahbslv_next(unsigned int vendor,
220	unsigned int driver, ambapp_ahbdev * dev, int index);
221
222	int ambapp_ahbslvs_first(unsigned int vendor,
223	unsigned int driver, ambapp_ahbdev * dev, int max_cnt);
224
225	/************************* AHB/APB only regs functions ***********************
226	* During start up, no memory is available we can use the simplified functions
227	* to get to the memory controller.
228	*
229	* Functions uses no stack/memory, only registers.
230	*/
231	unsigned int ambapp_apb_next_nomem(register unsigned int vendor, /* Plug&Play Vendor ID */
232	register unsigned int driver, /* Plug&Play Device ID */
233	register int index);
234
235	ahbctrl_pp_dev ambapp_ahb_next_nomem(register unsigned int vendor, / Plug&Play Vendor ID */
236	register unsigned int driver, /* Plug&Play Device ID */
237	register unsigned int opts, /* scan for AHB 1=slave, 0=masters */
238	register int index);
239
240	unsigned int ambapp_ahb_get_info(ahbctrl_pp_dev * ahb, int info);
241
242	/************************* AMBA Plug&Play device register MAPS ***************/
243
244	/*
245	* The following defines the bits in the LEON UART Status Registers.
246	*/
247
248	#define LEON_REG_UART_STATUS_DR 0x00000001 /* Data Ready */
249	#define LEON_REG_UART_STATUS_TSE 0x00000002 /* TX Send Register Empty */
250	#define LEON_REG_UART_STATUS_THE 0x00000004 /* TX Hold Register Empty */
251	#define LEON_REG_UART_STATUS_BR 0x00000008 /* Break Error */
252	#define LEON_REG_UART_STATUS_OE 0x00000010 /* RX Overrun Error */
253	#define LEON_REG_UART_STATUS_PE 0x00000020 /* RX Parity Error */
254	#define LEON_REG_UART_STATUS_FE 0x00000040 /* RX Framing Error */
255	#define LEON_REG_UART_STATUS_ERR 0x00000078 /* Error Mask */
256
257	/*
258	* The following defines the bits in the LEON UART Ctrl Registers.
259	*/
260
261	#define LEON_REG_UART_CTRL_RE 0x00000001 /* Receiver enable */
262	#define LEON_REG_UART_CTRL_TE 0x00000002 /* Transmitter enable */
263	#define LEON_REG_UART_CTRL_RI 0x00000004 /* Receiver interrupt enable */
264	#define LEON_REG_UART_CTRL_TI 0x00000008 /* Transmitter interrupt enable */
265	#define LEON_REG_UART_CTRL_PS 0x00000010 /* Parity select */
266	#define LEON_REG_UART_CTRL_PE 0x00000020 /* Parity enable */
267	#define LEON_REG_UART_CTRL_FL 0x00000040 /* Flow control enable */
268	#define LEON_REG_UART_CTRL_LB 0x00000080 /* Loop Back enable */
269	#define LEON_REG_UART_CTRL_DBG (1<<11) /* Debug Bit used by GRMON */
270
271	#define LEON3_GPTIMER_EN 1
272	#define LEON3_GPTIMER_RL 2
273	#define LEON3_GPTIMER_LD 4
274	#define LEON3_GPTIMER_IRQEN 8
275
276	/*
277	* The following defines the bits in the LEON PS/2 Status Registers.
278	*/
279
280	#define LEON_REG_PS2_STATUS_DR 0x00000001 /* Data Ready */
281	#define LEON_REG_PS2_STATUS_PE 0x00000002 /* Parity error */
282	#define LEON_REG_PS2_STATUS_FE 0x00000004 /* Framing error */
283	#define LEON_REG_PS2_STATUS_KI 0x00000008 /* Keyboard inhibit */
284
285	/*
286	* The following defines the bits in the LEON PS/2 Ctrl Registers.
287	*/
288
289	#define LEON_REG_PS2_CTRL_RE 0x00000001 /* Receiver enable */
290	#define LEON_REG_PS2_CTRL_TE 0x00000002 /* Transmitter enable */
291	#define LEON_REG_PS2_CTRL_RI 0x00000004 /* Keyboard receive interrupt */
292	#define LEON_REG_PS2_CTRL_TI 0x00000008 /* Keyboard transmit interrupt */
293
294	typedef struct {
295	volatile unsigned int ilevel;
296	volatile unsigned int ipend;
297	volatile unsigned int iforce;
298	volatile unsigned int iclear;
299	volatile unsigned int mstatus;
300	volatile unsigned int notused[11];
301	volatile unsigned int cpu_mask[16];
302	volatile unsigned int cpu_force[16];
303	} ambapp_dev_irqmp;
304
305	typedef struct {
306	volatile unsigned int data;
307	volatile unsigned int status;
308	volatile unsigned int ctrl;
309	volatile unsigned int scaler;
310	} ambapp_dev_apbuart;
311
312	typedef struct {
313	volatile unsigned int val;
314	volatile unsigned int rld;
315	volatile unsigned int ctrl;
316	volatile unsigned int unused;
317	} ambapp_dev_gptimer_element;
318
319	#define LEON3_GPTIMER_CTRL_EN 0x1 /* Timer enable */
320	#define LEON3_GPTIMER_CTRL_RS 0x2 /* Timer reStart */
321	#define LEON3_GPTIMER_CTRL_LD 0x4 /* Timer reLoad */
322	#define LEON3_GPTIMER_CTRL_IE 0x8 /* interrupt enable */
323	#define LEON3_GPTIMER_CTRL_IP 0x10 /* interrupt flag/pending */
324	#define LEON3_GPTIMER_CTRL_CH 0x20 /* Chain with previous timer */
325
326	typedef struct {
327	volatile unsigned int scalar;
328	volatile unsigned int scalar_reload;
329	volatile unsigned int config;
330	volatile unsigned int unused;
331	volatile ambapp_dev_gptimer_element e[8];
332	} ambapp_dev_gptimer;
333
334	typedef struct {
335	volatile unsigned int iodata;
336	volatile unsigned int ioout;
337	volatile unsigned int iodir;
338	volatile unsigned int irqmask;
339	volatile unsigned int irqpol;
340	volatile unsigned int irqedge;
341	} ambapp_dev_ioport;
342
343	typedef struct {
344	volatile unsigned int write;
345	volatile unsigned int dummy;
346	volatile unsigned int txcolor;
347	volatile unsigned int bgcolor;
348	} ambapp_dev_textvga;
349
350	typedef struct {
351	volatile unsigned int data;
352	volatile unsigned int status;
353	volatile unsigned int ctrl;
354	} ambapp_dev_apbps2;
355
356	typedef struct {
357	unsigned int mcfg1, mcfg2, mcfg3;
358	} ambapp_dev_mctrl;
359
360	typedef struct {
361	unsigned int sdcfg;
362	} ambapp_dev_sdctrl;
363
364	typedef struct {
365	unsigned int cfg1;
366	unsigned int cfg2;
367	unsigned int cfg3;
368	} ambapp_dev_ddr2spa;
369
370	typedef struct {
371	unsigned int ctrl;
372	unsigned int cfg;
373	} ambapp_dev_ddrspa;
374
375	#endif
376
377	#endif