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/* SPDX-License-Identifier: GPL-2.0 */
/*
*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 LEON3_GPTIMER_TIMERS 0x7

#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)

#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

Filemanager

Name Type Size Permission Actions
Kbuild File 491 B 0644
agp.h File 434 B 0644
apb.h File 1.06 KB 0644
asm-offsets.h File 35 B 0644
asm-prototypes.h File 727 B 0644
asm.h File 1.08 KB 0644
asmmacro.h File 1.16 KB 0644
atomic.h File 219 B 0644
atomic_32.h File 2.26 KB 0644
atomic_64.h File 3.34 KB 0644
auxio.h File 310 B 0644
auxio_32.h File 2.55 KB 0644
auxio_64.h File 3.18 KB 0644
backoff.h File 2.7 KB 0644
barrier.h File 223 B 0644
barrier_32.h File 160 B 0644
barrier_64.h File 1.96 KB 0644
bbc.h File 9.76 KB 0644
bitext.h File 631 B 0644
bitops.h File 219 B 0644
bitops_32.h File 2.79 KB 0644
bitops_64.h File 1.64 KB 0644
btext.h File 145 B 0644
bug.h File 588 B 0644
bugs.h File 404 B 0644
cache.h File 649 B 0644
cacheflush.h File 373 B 0644
cacheflush_32.h File 1.97 KB 0644
cacheflush_64.h File 2.56 KB 0644
cachetlb_32.h File 882 B 0644
chafsr.h File 9.48 KB 0644
checksum.h File 227 B 0644
checksum_32.h File 6.81 KB 0644
checksum_64.h File 4.4 KB 0644
chmctrl.h File 7.91 KB 0644
clock.h File 231 B 0644
clocksource.h File 407 B 0644
cmpxchg.h File 223 B 0644
cmpxchg_32.h File 2.4 KB 0644
cmpxchg_64.h File 5.13 KB 0644
compat.h File 6.45 KB 0644
compat_signal.h File 565 B 0644
contregs.h File 1.9 KB 0644
cpu_type.h File 579 B 0644
cpudata.h File 378 B 0644
cpudata_32.h File 729 B 0644
cpudata_64.h File 1.13 KB 0644
current.h File 991 B 0644
dcr.h File 728 B 0644
dcu.h File 1.48 KB 0644
delay.h File 215 B 0644
delay_32.h File 907 B 0644
delay_64.h File 403 B 0644
device.h File 565 B 0644
dma-mapping.h File 632 B 0644
dma.h File 6.6 KB 0644
ebus_dma.h File 1.07 KB 0644
ecc.h File 4.34 KB 0644
eeprom.h File 254 B 0644
elf.h File 207 B 0644
elf_32.h File 3.19 KB 0644
elf_64.h File 6.47 KB 0644
estate.h File 2.23 KB 0644
extable_64.h File 727 B 0644
fb.h File 680 B 0644
fbio.h File 2.26 KB 0644
fhc.h File 4.43 KB 0644
floppy.h File 219 B 0644
floppy_32.h File 9.74 KB 0644
floppy_64.h File 18.83 KB 0644
fpumacro.h File 710 B 0644
ftrace.h File 800 B 0644
futex.h File 215 B 0644
futex_32.h File 82 B 0644
futex_64.h File 2.15 KB 0644
hardirq.h File 223 B 0644
hardirq_32.h File 334 B 0644
hardirq_64.h File 417 B 0644
head.h File 211 B 0644
head_32.h File 2.56 KB 0644
head_64.h File 2.13 KB 0644
hibernate.h File 421 B 0644
highmem.h File 2.02 KB 0644
hugetlb.h File 2.09 KB 0644
hvtramp.h File 782 B 0644
hw_irq.h File 88 B 0644
hypervisor.h File 110.71 KB 0644
ide.h File 2.19 KB 0644
idprom.h File 656 B 0644
intr_queue.h File 794 B 0644
io-unit.h File 2.41 KB 0644
io.h File 620 B 0644
io_32.h File 3.51 KB 0644
io_64.h File 10.66 KB 0644
ioctls.h File 358 B 0644
iommu.h File 215 B 0644
iommu_32.h File 5.73 KB 0644
iommu_64.h File 2.43 KB 0644
irq.h File 207 B 0644
irq_32.h File 526 B 0644
irq_64.h File 3.06 KB 0644
irqflags.h File 227 B 0644
irqflags_32.h File 1.03 KB 0644
irqflags_64.h File 1.91 KB 0644
jump_label.h File 1.01 KB 0644
kdebug.h File 219 B 0644
kdebug_32.h File 1.99 KB 0644
kdebug_64.h File 393 B 0644
kgdb.h File 1014 B 0644
kmap_types.h File 233 B 0644
kprobes.h File 1.41 KB 0644
ldc.h File 4.37 KB 0644
leon.h File 7.37 KB 0644
leon_amba.h File 8.09 KB 0644
leon_pci.h File 512 B 0644
lsu.h File 1.04 KB 0644
machines.h File 1.5 KB 0644
mbus.h File 2.93 KB 0644
mc146818rtc.h File 298 B 0644
mc146818rtc_32.h File 699 B 0644
mc146818rtc_64.h File 689 B 0644
mdesc.h File 2.99 KB 0644
memctrl.h File 311 B 0644
mman.h File 304 B 0644
mmu.h File 207 B 0644
mmu_32.h File 209 B 0644
mmu_64.h File 3.14 KB 0644
mmu_context.h File 239 B 0644
mmu_context_32.h File 1.07 KB 0644
mmu_context_64.h File 4.15 KB 0644
mmzone.h File 393 B 0644
msi.h File 774 B 0644
mxcc.h File 4.33 KB 0644
nmi.h File 354 B 0644
ns87303.h File 3.22 KB 0644
obio.h File 6.26 KB 0644
openprom.h File 7.3 KB 0644
oplib.h File 215 B 0644
oplib_32.h File 5.92 KB 0644
oplib_64.h File 8.12 KB 0644
page.h File 274 B 0644
page_32.h File 3.91 KB 0644
page_64.h File 4.49 KB 0644
parport.h File 5.68 KB 0644
pbm.h File 1.47 KB 0644
pci.h File 207 B 0644
pci_32.h File 1.09 KB 0644
pci_64.h File 1.49 KB 0644
pcic.h File 5.77 KB 0644
pcr.h File 1.85 KB 0644
percpu.h File 219 B 0644
percpu_32.h File 168 B 0644
percpu_64.h File 515 B 0644
perf_event.h File 802 B 0644
pgalloc.h File 223 B 0644
pgalloc_32.h File 1.91 KB 0644
pgalloc_64.h File 2.85 KB 0644
pgtable.h File 223 B 0644
pgtable_32.h File 11.35 KB 0644
pgtable_64.h File 30.71 KB 0644
pgtsrmmu.h File 6.05 KB 0644
pil.h File 1.08 KB 0644
processor.h File 231 B 0644
processor_32.h File 3.13 KB 0644
processor_64.h File 7.58 KB 0644
prom.h File 2.02 KB 0644
psr.h File 1.38 KB 0644
ptrace.h File 4.19 KB 0644
qrwlock.h File 205 B 0644
qspinlock.h File 215 B 0644
ross.h File 5.52 KB 0644
sbi.h File 3.34 KB 0644
scratchpad.h File 547 B 0644
seccomp.h File 225 B 0644
sections.h File 289 B 0644
setup.h File 1.52 KB 0644
sfafsr.h File 3.14 KB 0644
sfp-machine.h File 239 B 0644
sfp-machine_32.h File 6.79 KB 0644
sfp-machine_64.h File 3.1 KB 0644
shmparam.h File 227 B 0644
shmparam_32.h File 253 B 0644
shmparam_64.h File 306 B 0644
sigcontext.h File 2.55 KB 0644
signal.h File 835 B 0644
smp.h File 207 B 0644
smp_32.h File 3.29 KB 0644
smp_64.h File 1.84 KB 0644
sparsemem.h File 349 B 0644
spinlock.h File 227 B 0644
spinlock_32.h File 4.22 KB 0644
spinlock_64.h File 409 B 0644
spinlock_types.h File 549 B 0644
spitfire.h File 9.73 KB 0644
stacktrace.h File 166 B 0644
starfire.h File 418 B 0644
string.h File 1.13 KB 0644
string_32.h File 405 B 0644
string_64.h File 505 B 0644
sunbpp.h File 3.27 KB 0644
swift.h File 3.07 KB 0644
switch_to.h File 231 B 0644
switch_to_32.h File 3.53 KB 0644
switch_to_64.h File 2.58 KB 0644
syscall.h File 3.41 KB 0644
syscalls.h File 307 B 0644
termbits.h File 198 B 0644
termios.h File 4.94 KB 0644
thread_info.h File 239 B 0644
thread_info_32.h File 3.66 KB 0644
thread_info_64.h File 7.84 KB 0644
timer.h File 215 B 0644
timer_32.h File 1.18 KB 0644
timer_64.h File 2.37 KB 0644
timex.h File 215 B 0644
timex_32.h File 266 B 0644
timex_64.h File 423 B 0644
tlb.h File 207 B 0644
tlb_32.h File 520 B 0644
tlb_64.h File 913 B 0644
tlbflush.h File 227 B 0644
tlbflush_32.h File 621 B 0644
tlbflush_64.h File 1.73 KB 0644
topology.h File 227 B 0644
topology_32.h File 170 B 0644
topology_64.h File 1.51 KB 0644
trap_block.h File 6.51 KB 0644
traps.h File 577 B 0644
tsb.h File 12.17 KB 0644
tsunami.h File 1.85 KB 0644
ttable.h File 20.08 KB 0644
turbosparc.h File 3.78 KB 0644
uaccess.h File 363 B 0644
uaccess_32.h File 8.31 KB 0644
uaccess_64.h File 6.05 KB 0644
unaligned.h File 339 B 0644
unistd.h File 1.37 KB 0644
upa.h File 3.72 KB 0644
uprobes.h File 1.86 KB 0644
user.h File 102 B 0644
vaddrs.h File 2.02 KB 0644
vdso.h File 662 B 0644
vga.h File 964 B 0644
viking.h File 8.14 KB 0644
vio.h File 11.81 KB 0644
visasm.h File 1.51 KB 0644
vvar.h File 1.52 KB 0644
winmacro.h File 4.66 KB 0644
xor.h File 207 B 0644
xor_32.h File 7.31 KB 0644
xor_64.h File 2.5 KB 0644