| /* 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 |
