mirror of
https://source.denx.de/u-boot/u-boot.git
synced 2026-06-13 15:03:58 +03:00
sparc: leon3: Reimplemented AMBA Plug&Play scanning routines.
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
This commit is contained in:
Daniel Hellstrom
committed by
Francois Retief
Francois Retief
parent
0070109f68
commit
898cc81da3
385
include/ambapp.h
385
include/ambapp.h
@@ -3,8 +3,8 @@
|
||||
* the APB bus, also freely available in GRLIB at
|
||||
* www.gaisler.com.
|
||||
*
|
||||
* (C) Copyright 2007
|
||||
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
|
||||
* (C) Copyright 2009, 2015
|
||||
* Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com.
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
*/
|
||||
@@ -12,116 +12,136 @@
|
||||
#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))
|
||||
#include <ambapp_ids.h>
|
||||
|
||||
#ifndef __ASSEMBLER__
|
||||
/* Structures used to access Plug&Play information directly */
|
||||
struct ambapp_pnp_ahb {
|
||||
const unsigned int id; /* VENDOR, DEVICE, VER, IRQ, */
|
||||
const unsigned int custom[3];
|
||||
const unsigned int mbar[4]; /* MASK, ADDRESS, TYPE,
|
||||
* CACHABLE/PREFETCHABLE */
|
||||
};
|
||||
|
||||
struct ambapp_pnp_apb {
|
||||
const unsigned int id; /* VENDOR, DEVICE, VER, IRQ, */
|
||||
const unsigned int iobar; /* MASK, ADDRESS, TYPE,
|
||||
* CACHABLE/PREFETCHABLE */
|
||||
};
|
||||
|
||||
/* AMBA Plug&Play AHB Masters & Slaves information locations
|
||||
* Max devices is 64 supported by HW, however often only 16
|
||||
* are used.
|
||||
*/
|
||||
struct ambapp_pnp_info {
|
||||
struct ambapp_pnp_ahb masters[64];
|
||||
struct ambapp_pnp_ahb slaves[63];
|
||||
const unsigned int unused[4];
|
||||
const unsigned int systemid[4];
|
||||
};
|
||||
|
||||
/* Describes a AMBA PnP bus */
|
||||
struct ambapp_bus {
|
||||
int buses; /* Number of buses */
|
||||
unsigned int ioareas[6]; /* PnP I/O AREAs of AHB buses */
|
||||
unsigned int freq; /* Frequency of bus0 [Hz] */
|
||||
};
|
||||
|
||||
/* Processor Local AMBA bus */
|
||||
extern struct ambapp_bus ambapp_plb;
|
||||
|
||||
/* Get Bus frequency of a certain AMBA bus */
|
||||
extern unsigned int ambapp_bus_freq(
|
||||
struct ambapp_bus *abus,
|
||||
int ahb_bus_index
|
||||
);
|
||||
|
||||
/* AMBA PnP information of a APB Device */
|
||||
typedef struct {
|
||||
unsigned int vendor;
|
||||
unsigned int device;
|
||||
unsigned char irq;
|
||||
unsigned char ver;
|
||||
unsigned int address;
|
||||
unsigned int mask;
|
||||
int ahb_bus_index;
|
||||
} ambapp_apbdev;
|
||||
|
||||
/* AMBA PnP information of a AHB Device */
|
||||
typedef struct {
|
||||
unsigned int vendor;
|
||||
unsigned int device;
|
||||
unsigned char irq;
|
||||
unsigned char ver;
|
||||
unsigned int userdef[3];
|
||||
unsigned int address[4];
|
||||
unsigned int mask[4];
|
||||
int type[4];
|
||||
int ahb_bus_index;
|
||||
} ambapp_ahbdev;
|
||||
|
||||
/* Scan AMBA Bus for AHB Bridges */
|
||||
extern void ambapp_bus_init(
|
||||
unsigned int ioarea,
|
||||
unsigned int freq,
|
||||
struct ambapp_bus *abus);
|
||||
|
||||
/* Find APB Slave device by index using breath first search.
|
||||
*
|
||||
* When vendor and device are both set to zero, any device
|
||||
* with a non-zero device ID will match the search. It may be
|
||||
* useful when processing all devices on a AMBA bus.
|
||||
*/
|
||||
extern int ambapp_apb_find(
|
||||
struct ambapp_bus *abus,
|
||||
int vendor,
|
||||
int device,
|
||||
int index,
|
||||
ambapp_apbdev *dev
|
||||
);
|
||||
|
||||
/* Find AHB Master device by index using breath first search.
|
||||
*
|
||||
* When vendor and device are both set to zero, any device
|
||||
* with a non-zero device ID will match the search. It may be
|
||||
* useful when processing all devices on a AMBA bus.
|
||||
*/
|
||||
extern int ambapp_ahbmst_find(
|
||||
struct ambapp_bus *abus,
|
||||
int vendor,
|
||||
int device,
|
||||
int index,
|
||||
ambapp_ahbdev *dev
|
||||
);
|
||||
|
||||
/* Find AHB Slave device by index using breath first search.
|
||||
*
|
||||
* When vendor and device are both set to zero, any device
|
||||
* with a non-zero device ID will match the search. It may be
|
||||
* useful when processing all devices on a AMBA bus.
|
||||
*/
|
||||
extern int ambapp_ahbslv_find(
|
||||
struct ambapp_bus *abus,
|
||||
int vendor,
|
||||
int device,
|
||||
int index,
|
||||
ambapp_ahbdev *dev
|
||||
);
|
||||
|
||||
/* Return number of APB Slave devices of a certain ID (VENDOR:DEVICE)
|
||||
* zero is returned if no devices was found.
|
||||
*/
|
||||
extern int ambapp_apb_count(struct ambapp_bus *abus, int vendor, int device);
|
||||
|
||||
/* Return number of AHB Master devices of a certain ID (VENDOR:DEVICE)
|
||||
* zero is returned if no devices was found.
|
||||
*/
|
||||
extern int ambapp_ahbmst_count(struct ambapp_bus *abus, int vendor, int device);
|
||||
|
||||
/* Return number of AHB Slave devices of a certain ID (VENDOR:DEVICE)
|
||||
* zero is returned if no devices was found.
|
||||
*/
|
||||
extern int ambapp_ahbslv_count(struct ambapp_bus *abus, int vendor, int device);
|
||||
|
||||
#ifdef CONFIG_CMD_AMBAPP
|
||||
|
||||
@@ -135,109 +155,72 @@ char *ambapp_device_id2str(int vendor, int id);
|
||||
|
||||
/* Return name of vendor */
|
||||
char *ambapp_vendor_id2str(int vendor);
|
||||
|
||||
/* Return description of a device */
|
||||
char *ambapp_device_id2desc(int vendor, int id);
|
||||
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Types and structure used for AMBA Plug & Play bus scanning
|
||||
#endif /* defined(__ASSEMBLER__) */
|
||||
|
||||
#define AMBA_DEFAULT_IOAREA 0xfff00000
|
||||
#define AMBA_CONF_AREA 0xff000
|
||||
#define AMBA_AHB_SLAVE_CONF_AREA 0x800
|
||||
|
||||
#define DEV_NONE 0
|
||||
#define DEV_AHB_MST 1
|
||||
#define DEV_AHB_SLV 2
|
||||
#define DEV_APB_SLV 3
|
||||
|
||||
#define AMBA_TYPE_APBIO 0x1
|
||||
#define AMBA_TYPE_MEM 0x2
|
||||
#define AMBA_TYPE_AHBIO 0x3
|
||||
|
||||
/* ID layout for APB and AHB devices */
|
||||
#define AMBA_PNP_ID(vendor, device) (((vendor)<<24) | ((device)<<12))
|
||||
|
||||
/* APB Slave PnP layout definitions */
|
||||
#define AMBA_APB_ID_OFS (0*4)
|
||||
#define AMBA_APB_IOBAR_OFS (1*4)
|
||||
#define AMBA_APB_CONF_LENGH (2*4)
|
||||
|
||||
/* AHB Master/Slave layout PnP definitions */
|
||||
#define AMBA_AHB_ID_OFS (0*4)
|
||||
#define AMBA_AHB_CUSTOM0_OFS (1*4)
|
||||
#define AMBA_AHB_CUSTOM1_OFS (2*4)
|
||||
#define AMBA_AHB_CUSTOM2_OFS (3*4)
|
||||
#define AMBA_AHB_MBAR0_OFS (4*4)
|
||||
#define AMBA_AHB_MBAR1_OFS (5*4)
|
||||
#define AMBA_AHB_MBAR2_OFS (6*4)
|
||||
#define AMBA_AHB_MBAR3_OFS (7*4)
|
||||
#define AMBA_AHB_CONF_LENGH (8*4)
|
||||
|
||||
/* Macros for extracting information from AMBA PnP information
|
||||
* registers.
|
||||
*/
|
||||
|
||||
/* AMBA Plug&Play AHB information layout */
|
||||
typedef struct {
|
||||
unsigned int conf;
|
||||
unsigned int userdef[3];
|
||||
unsigned int bars[4];
|
||||
} ahbctrl_pp_dev;
|
||||
#define amba_vendor(x) (((x) >> 24) & 0xff)
|
||||
|
||||
/* Prototypes for scanning AMBA Plug&Play bus for AMBA
|
||||
* i) AHB Masters
|
||||
* ii) AHB Slaves
|
||||
* iii) APB Slaves (APB MST is a AHB Slave)
|
||||
*/
|
||||
#define amba_device(x) (((x) >> 12) & 0xfff)
|
||||
|
||||
typedef struct {
|
||||
unsigned char irq;
|
||||
unsigned char ver;
|
||||
unsigned int address;
|
||||
} ambapp_apbdev;
|
||||
#define amba_irq(conf) ((conf) & 0x1f)
|
||||
|
||||
typedef struct {
|
||||
unsigned char irq;
|
||||
unsigned char ver;
|
||||
unsigned int userdef[3];
|
||||
unsigned int address[4];
|
||||
} ambapp_ahbdev;
|
||||
#define amba_ver(conf) (((conf)>>5) & 0x1f)
|
||||
|
||||
/* 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;
|
||||
#define amba_iobar_start(base, iobar) \
|
||||
((base) | ((((iobar) & 0xfff00000)>>12) & (((iobar) & 0xfff0)<<4)))
|
||||
|
||||
/* AMBA Plug&Play AHB information layout */
|
||||
typedef struct {
|
||||
unsigned int conf;
|
||||
unsigned int bar;
|
||||
} apbctrl_pp_dev;
|
||||
#define amba_membar_start(mbar) \
|
||||
(((mbar) & 0xfff00000) & (((mbar) & 0xfff0) << 16))
|
||||
|
||||
/* All functions return the number of found devices
|
||||
* 0 = no devices found
|
||||
*/
|
||||
#define amba_membar_type(mbar) ((mbar) & 0xf)
|
||||
|
||||
/****************************** APB SLAVES ******************************/
|
||||
int ambapp_apb_count(unsigned int vendor, unsigned int driver);
|
||||
#define amba_membar_mask(mbar) (((mbar) >> 4) & 0xfff)
|
||||
|
||||
int ambapp_apb_first(unsigned int vendor,
|
||||
unsigned int driver, ambapp_apbdev * dev);
|
||||
#define amba_ahbio_adr(addr, base_ioarea) \
|
||||
((unsigned int)(base_ioarea) | ((addr) >> 12))
|
||||
|
||||
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);
|
||||
#define amba_apb_mask(iobar) ((~(amba_membar_mask(iobar)<<8) & 0x000fffff) + 1)
|
||||
|
||||
/*************************** AMBA Plug&Play device register MAPS *****************/
|
||||
|
||||
@@ -291,6 +274,8 @@ unsigned int ambapp_ahb_get_info(ahbctrl_pp_dev * ahb, int info);
|
||||
#define LEON_REG_PS2_CTRL_RI 0x00000004 /* Keyboard receive interrupt */
|
||||
#define LEON_REG_PS2_CTRL_TI 0x00000008 /* Keyboard transmit interrupt */
|
||||
|
||||
#ifndef __ASSEMBLER__
|
||||
|
||||
typedef struct {
|
||||
volatile unsigned int ilevel;
|
||||
volatile unsigned int ipend;
|
||||
|
||||
Reference in New Issue
Block a user