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/
usr/
src/
linux-headers-3.0.0-14/
arch/
sparc/
include/
asm/
- drwxr-xr-x
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Viewing file:  leon_amba.h (8.08 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
/*
*Copyright (C) 2004 Konrad Eisele (eiselekd@web.de,konrad@gaisler.com), Gaisler Research
*Copyright (C) 2004 Stefan Holst (mail@s-holst.de), Uni-Stuttgart
*Copyright (C) 2009 Daniel Hellstrom (daniel@gaisler.com),Konrad Eisele (konrad@gaisler.com) Aeroflex Gaisler AB
*/
#ifndef LEON_AMBA_H_INCLUDE
#define LEON_AMBA_H_INCLUDE
#ifndef __ASSEMBLY__
struct amba_prom_registers {
unsigned int phys_addr; /* The physical address of this register */
unsigned int reg_size; /* How many bytes does this register take up? */
};
#endif
/*
* 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 irq */
#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 LEON3_GPTIMER_EN 1
#define LEON3_GPTIMER_RL 2
#define LEON3_GPTIMER_LD 4
#define LEON3_GPTIMER_IRQEN 8
#define LEON3_GPTIMER_SEPIRQ 8
#define LEON23_REG_TIMER_CONTROL_EN 0x00000001 /* 1 = enable counting */
/* 0 = hold scalar and counter */
#define LEON23_REG_TIMER_CONTROL_RL 0x00000002 /* 1 = reload at 0 */
/* 0 = stop at 0 */
#define LEON23_REG_TIMER_CONTROL_LD 0x00000004 /* 1 = load counter */
/* 0 = no function */
#define LEON23_REG_TIMER_CONTROL_IQ 0x00000008 /* 1 = irq enable */
/* 0 = no function */
/*
* 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 */
#define LEON_REG_PS2_STATUS_RF 0x00000010 /* RX buffer full */
#define LEON_REG_PS2_STATUS_TF 0x00000020 /* TX buffer full */
/*
* 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 irq */
#define LEON_REG_PS2_CTRL_TI 0x00000008 /* Keyboard transmit irq */
#define LEON3_IRQMPSTATUS_CPUNR 28
#define LEON3_IRQMPSTATUS_BROADCAST 27
#define GPTIMER_CONFIG_IRQNT(a) (((a) >> 3) & 0x1f)
#define GPTIMER_CONFIG_ISSEP(a) ((a) & (1 << 8))
#define GPTIMER_CONFIG_NTIMERS(a) ((a) & (0x7))
#define LEON3_GPTIMER_CTRL_PENDING 0x10
#define LEON3_GPTIMER_CONFIG_NRTIMERS(c) ((c)->config & 0x7)
#define LEON3_GPTIMER_CTRL_ISPENDING(r) (((r)&LEON3_GPTIMER_CTRL_PENDING) ? 1 : 0)
#ifdef CONFIG_SPARC_LEON
#ifndef __ASSEMBLY__
struct leon3_irqctrl_regs_map {
u32 ilevel;
u32 ipend;
u32 iforce;
u32 iclear;
u32 mpstatus;
u32 mpbroadcast;
u32 notused02;
u32 notused03;
u32 ampctrl;
u32 icsel[2];
u32 notused13;
u32 notused20;
u32 notused21;
u32 notused22;
u32 notused23;
u32 mask[16];
u32 force[16];
/* Extended IRQ registers */
u32 intid[16]; /* 0xc0 */
u32 unused[(0x1000-0x100)/4];
};
struct leon3_apbuart_regs_map {
u32 data;
u32 status;
u32 ctrl;
u32 scaler;
};
struct leon3_gptimerelem_regs_map {
u32 val;
u32 rld;
u32 ctrl;
u32 unused;
};
struct leon3_gptimer_regs_map {
u32 scalar;
u32 scalar_reload;
u32 config;
u32 unused;
struct leon3_gptimerelem_regs_map e[8];
};
/*
* Types and structure used for AMBA Plug & Play bus scanning
*/
#define AMBA_MAXAPB_DEVS 64
#define AMBA_MAXAPB_DEVS_PERBUS 16
struct amba_device_table {
int devnr; /* number of devices on AHB or APB bus */
unsigned int *addr[16]; /* addresses to the devices configuration tables */
unsigned int allocbits[1]; /* 0=unallocated, 1=allocated driver */
};
struct amba_apbslv_device_table {
int devnr; /* number of devices on AHB or APB bus */
unsigned int *addr[AMBA_MAXAPB_DEVS]; /* addresses to the devices configuration tables */
unsigned int apbmst[AMBA_MAXAPB_DEVS]; /* apb master if a entry is a apb slave */
unsigned int apbmstidx[AMBA_MAXAPB_DEVS]; /* apb master idx if a entry is a apb slave */
unsigned int allocbits[4]; /* 0=unallocated, 1=allocated driver */
};
struct amba_confarea_type {
struct amba_confarea_type *next;/* next bus in chain */
struct amba_device_table ahbmst;
struct amba_device_table ahbslv;
struct amba_apbslv_device_table apbslv;
unsigned int apbmst;
};
/* collect apb slaves */
struct amba_apb_device {
unsigned int start, irq, bus_id;
struct amba_confarea_type *bus;
};
/* collect ahb slaves */
struct amba_ahb_device {
unsigned int start[4], irq, bus_id;
struct amba_confarea_type *bus;
};
struct device_node;
void _amba_init(struct device_node *dp, struct device_node ***nextp);
extern unsigned long amba_system_id;
extern struct leon3_irqctrl_regs_map *leon3_irqctrl_regs;
extern struct leon3_gptimer_regs_map *leon3_gptimer_regs;
extern struct amba_apb_device leon_percpu_timer_dev[16];
extern int leondebug_irq_disable;
extern int leon_debug_irqout;
extern unsigned long leon3_gptimer_irq;
extern unsigned int sparc_leon_eirq;
#endif /* __ASSEMBLY__ */
#define LEON3_IO_AREA 0xfff00000
#define LEON3_CONF_AREA 0xff000
#define LEON3_AHB_SLAVE_CONF_AREA (1 << 11)
#define LEON3_AHB_CONF_WORDS 8
#define LEON3_APB_CONF_WORDS 2
#define LEON3_AHB_MASTERS 16
#define LEON3_AHB_SLAVES 16
#define LEON3_APB_SLAVES 16
#define LEON3_APBUARTS 8
/* Vendor codes */
#define VENDOR_GAISLER 1
#define VENDOR_PENDER 2
#define VENDOR_ESA 4
#define VENDOR_OPENCORES 8
/* 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_GRGPIO 0x01A
#define GAISLER_AHBJTAG 0x01c
#define GAISLER_ETHMAC 0x01D
#define GAISLER_AHB2AHB 0x020
#define GAISLER_USBDC 0x021
#define GAISLER_ATACTRL 0x024
#define GAISLER_DDRSPA 0x025
#define GAISLER_USBEHC 0x026
#define GAISLER_USBUHC 0x027
#define GAISLER_I2CMST 0x028
#define GAISLER_SPICTRL 0x02D
#define GAISLER_DDR2SPA 0x02E
#define GAISLER_SPIMCTRL 0x045
#define GAISLER_LEON4 0x048
#define GAISLER_LEON4DSU 0x049
#define GAISLER_AHBSTAT 0x052
#define GAISLER_FTMCTRL 0x054
#define GAISLER_KBD 0x060
#define GAISLER_VGA 0x061
#define GAISLER_SVGA 0x063
#define GAISLER_GRSYSMON 0x066
#define GAISLER_GRACECTRL 0x067
#define GAISLER_L2TIME 0xffd /* internal device: leon2 timer */
#define GAISLER_L2C 0xffe /* internal device: leon2compat */
#define GAISLER_PLUGPLAY 0xfff /* internal device: plug & play configarea */
/* Chip IDs */
#define AEROFLEX_UT699 0x0699
#define LEON4_NEXTREME1 0x0102
#define GAISLER_GR712RC 0x0712
#define amba_vendor(x) (((x) >> 24) & 0xff)
#define amba_device(x) (((x) >> 12) & 0xfff)
#endif /* !defined(CONFIG_SPARC_LEON) */
#endif
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