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OpenCloudOS-Kernel/arch/mips/ath25/ar2315_regs.h

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MIPS: ath25: Add basic AR2315 SoC support Add basic support for Atheros AR2315+ SoCs: registers definition file and initial setup code. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com> Cc: Linux MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/8239/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-10-29 07:18:40 +08:00
/*
* Register definitions for AR2315+
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
* Copyright (C) 2006 FON Technology, SL.
* Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
* Copyright (C) 2006-2008 Felix Fietkau <nbd@openwrt.org>
*/
#ifndef __ASM_MACH_ATH25_AR2315_REGS_H
#define __ASM_MACH_ATH25_AR2315_REGS_H
MIPS: ath25: add interrupts handling routines Add interrupts initialization and handling routines, also add AHB bus error interrupt handlers for both SoCs families. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com> Cc: Linux MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/8240/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-10-29 07:18:41 +08:00
/*
* IRQs
*/
#define AR2315_IRQ_MISC (MIPS_CPU_IRQ_BASE + 2) /* C0_CAUSE: 0x0400 */
#define AR2315_IRQ_WLAN0 (MIPS_CPU_IRQ_BASE + 3) /* C0_CAUSE: 0x0800 */
#define AR2315_IRQ_ENET0 (MIPS_CPU_IRQ_BASE + 4) /* C0_CAUSE: 0x1000 */
#define AR2315_IRQ_LCBUS_PCI (MIPS_CPU_IRQ_BASE + 5) /* C0_CAUSE: 0x2000 */
#define AR2315_IRQ_WLAN0_POLL (MIPS_CPU_IRQ_BASE + 6) /* C0_CAUSE: 0x4000 */
/*
* Miscellaneous interrupts, which share IP2.
*/
#define AR2315_MISC_IRQ_UART0 0
#define AR2315_MISC_IRQ_I2C_RSVD 1
#define AR2315_MISC_IRQ_SPI 2
#define AR2315_MISC_IRQ_AHB 3
#define AR2315_MISC_IRQ_APB 4
#define AR2315_MISC_IRQ_TIMER 5
#define AR2315_MISC_IRQ_GPIO 6
#define AR2315_MISC_IRQ_WATCHDOG 7
#define AR2315_MISC_IRQ_IR_RSVD 8
#define AR2315_MISC_IRQ_COUNT 9
MIPS: ath25: Add basic AR2315 SoC support Add basic support for Atheros AR2315+ SoCs: registers definition file and initial setup code. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com> Cc: Linux MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/8239/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-10-29 07:18:40 +08:00
/*
* Address map
*/
#define AR2315_SPI_READ_BASE 0x08000000 /* SPI flash */
#define AR2315_SPI_READ_SIZE 0x01000000
#define AR2315_WLAN0_BASE 0x10000000 /* Wireless MMR */
#define AR2315_PCI_BASE 0x10100000 /* PCI MMR */
#define AR2315_PCI_SIZE 0x00001000
#define AR2315_SDRAMCTL_BASE 0x10300000 /* SDRAM MMR */
#define AR2315_SDRAMCTL_SIZE 0x00000020
#define AR2315_LOCAL_BASE 0x10400000 /* Local bus MMR */
#define AR2315_ENET0_BASE 0x10500000 /* Ethernet MMR */
#define AR2315_RST_BASE 0x11000000 /* Reset control MMR */
#define AR2315_RST_SIZE 0x00000100
#define AR2315_UART0_BASE 0x11100000 /* UART MMR */
#define AR2315_SPI_MMR_BASE 0x11300000 /* SPI flash MMR */
#define AR2315_SPI_MMR_SIZE 0x00000010
#define AR2315_PCI_EXT_BASE 0x80000000 /* PCI external */
#define AR2315_PCI_EXT_SIZE 0x40000000
/*
* Configuration registers
*/
/* Cold reset register */
#define AR2315_COLD_RESET 0x0000
#define AR2315_RESET_COLD_AHB 0x00000001
#define AR2315_RESET_COLD_APB 0x00000002
#define AR2315_RESET_COLD_CPU 0x00000004
#define AR2315_RESET_COLD_CPUWARM 0x00000008
#define AR2315_RESET_SYSTEM (RESET_COLD_CPU |\
RESET_COLD_APB |\
RESET_COLD_AHB) /* full system */
#define AR2317_RESET_SYSTEM 0x00000010
/* Reset register */
#define AR2315_RESET 0x0004
#define AR2315_RESET_WARM_WLAN0_MAC 0x00000001 /* warm reset WLAN0 MAC */
#define AR2315_RESET_WARM_WLAN0_BB 0x00000002 /* warm reset WLAN0 BB */
#define AR2315_RESET_MPEGTS_RSVD 0x00000004 /* warm reset MPEG-TS */
#define AR2315_RESET_PCIDMA 0x00000008 /* warm reset PCI ahb/dma */
#define AR2315_RESET_MEMCTL 0x00000010 /* warm reset mem control */
#define AR2315_RESET_LOCAL 0x00000020 /* warm reset local bus */
#define AR2315_RESET_I2C_RSVD 0x00000040 /* warm reset I2C bus */
#define AR2315_RESET_SPI 0x00000080 /* warm reset SPI iface */
#define AR2315_RESET_UART0 0x00000100 /* warm reset UART0 */
#define AR2315_RESET_IR_RSVD 0x00000200 /* warm reset IR iface */
#define AR2315_RESET_EPHY0 0x00000400 /* cold reset ENET0 phy */
#define AR2315_RESET_ENET0 0x00000800 /* cold reset ENET0 MAC */
/* AHB master arbitration control */
#define AR2315_AHB_ARB_CTL 0x0008
#define AR2315_ARB_CPU 0x00000001 /* CPU, default */
#define AR2315_ARB_WLAN 0x00000002 /* WLAN */
#define AR2315_ARB_MPEGTS_RSVD 0x00000004 /* MPEG-TS */
#define AR2315_ARB_LOCAL 0x00000008 /* Local bus */
#define AR2315_ARB_PCI 0x00000010 /* PCI bus */
#define AR2315_ARB_ETHERNET 0x00000020 /* Ethernet */
#define AR2315_ARB_RETRY 0x00000100 /* Retry policy (debug) */
/* Config Register */
#define AR2315_ENDIAN_CTL 0x000c
#define AR2315_CONFIG_AHB 0x00000001 /* EC-AHB bridge endian */
#define AR2315_CONFIG_WLAN 0x00000002 /* WLAN byteswap */
#define AR2315_CONFIG_MPEGTS_RSVD 0x00000004 /* MPEG-TS byteswap */
#define AR2315_CONFIG_PCI 0x00000008 /* PCI byteswap */
#define AR2315_CONFIG_MEMCTL 0x00000010 /* Mem controller endian */
#define AR2315_CONFIG_LOCAL 0x00000020 /* Local bus byteswap */
#define AR2315_CONFIG_ETHERNET 0x00000040 /* Ethernet byteswap */
#define AR2315_CONFIG_MERGE 0x00000200 /* CPU write buffer merge */
#define AR2315_CONFIG_CPU 0x00000400 /* CPU big endian */
#define AR2315_CONFIG_BIG 0x00000400
#define AR2315_CONFIG_PCIAHB 0x00000800
#define AR2315_CONFIG_PCIAHB_BRIDGE 0x00001000
#define AR2315_CONFIG_SPI 0x00008000 /* SPI byteswap */
#define AR2315_CONFIG_CPU_DRAM 0x00010000
#define AR2315_CONFIG_CPU_PCI 0x00020000
#define AR2315_CONFIG_CPU_MMR 0x00040000
/* NMI control */
#define AR2315_NMI_CTL 0x0010
#define AR2315_NMI_EN 1
/* Revision Register - Initial value is 0x3010 (WMAC 3.0, AR231X 1.0). */
#define AR2315_SREV 0x0014
#define AR2315_REV_MAJ 0x000000f0
#define AR2315_REV_MAJ_S 4
#define AR2315_REV_MIN 0x0000000f
#define AR2315_REV_MIN_S 0
#define AR2315_REV_CHIP (AR2315_REV_MAJ | AR2315_REV_MIN)
/* Interface Enable */
#define AR2315_IF_CTL 0x0018
#define AR2315_IF_MASK 0x00000007
#define AR2315_IF_DISABLED 0 /* Disable all */
#define AR2315_IF_PCI 1 /* PCI */
#define AR2315_IF_TS_LOCAL 2 /* Local bus */
#define AR2315_IF_ALL 3 /* Emulation only */
#define AR2315_IF_LOCAL_HOST 0x00000008
#define AR2315_IF_PCI_HOST 0x00000010
#define AR2315_IF_PCI_INTR 0x00000020
#define AR2315_IF_PCI_CLK_MASK 0x00030000
#define AR2315_IF_PCI_CLK_INPUT 0
#define AR2315_IF_PCI_CLK_OUTPUT_LOW 1
#define AR2315_IF_PCI_CLK_OUTPUT_CLK 2
#define AR2315_IF_PCI_CLK_OUTPUT_HIGH 3
#define AR2315_IF_PCI_CLK_SHIFT 16
/* APB Interrupt control */
#define AR2315_ISR 0x0020
#define AR2315_IMR 0x0024
#define AR2315_GISR 0x0028
#define AR2315_ISR_UART0 0x00000001 /* high speed UART */
#define AR2315_ISR_I2C_RSVD 0x00000002 /* I2C bus */
#define AR2315_ISR_SPI 0x00000004 /* SPI bus */
#define AR2315_ISR_AHB 0x00000008 /* AHB error */
#define AR2315_ISR_APB 0x00000010 /* APB error */
#define AR2315_ISR_TIMER 0x00000020 /* Timer */
#define AR2315_ISR_GPIO 0x00000040 /* GPIO */
#define AR2315_ISR_WD 0x00000080 /* Watchdog */
#define AR2315_ISR_IR_RSVD 0x00000100 /* IR */
#define AR2315_GISR_MISC 0x00000001 /* Misc */
#define AR2315_GISR_WLAN0 0x00000002 /* WLAN0 */
#define AR2315_GISR_MPEGTS_RSVD 0x00000004 /* MPEG-TS */
#define AR2315_GISR_LOCALPCI 0x00000008 /* Local/PCI bus */
#define AR2315_GISR_WMACPOLL 0x00000010
#define AR2315_GISR_TIMER 0x00000020
#define AR2315_GISR_ETHERNET 0x00000040 /* Ethernet */
/* Generic timer */
#define AR2315_TIMER 0x0030
#define AR2315_RELOAD 0x0034
/* Watchdog timer */
#define AR2315_WDT_TIMER 0x0038
#define AR2315_WDT_CTRL 0x003c
#define AR2315_WDT_CTRL_IGNORE 0x00000000 /* ignore expiration */
#define AR2315_WDT_CTRL_NMI 0x00000001 /* NMI on watchdog */
#define AR2315_WDT_CTRL_RESET 0x00000002 /* reset on watchdog */
/* CPU Performance Counters */
#define AR2315_PERFCNT0 0x0048
#define AR2315_PERFCNT1 0x004c
#define AR2315_PERF0_DATAHIT 0x00000001 /* Count Data Cache Hits */
#define AR2315_PERF0_DATAMISS 0x00000002 /* Count Data Cache Misses */
#define AR2315_PERF0_INSTHIT 0x00000004 /* Count Instruction Cache Hits */
#define AR2315_PERF0_INSTMISS 0x00000008 /* Count Instruction Cache Misses */
#define AR2315_PERF0_ACTIVE 0x00000010 /* Count Active Processor Cycles */
#define AR2315_PERF0_WBHIT 0x00000020 /* Count CPU Write Buffer Hits */
#define AR2315_PERF0_WBMISS 0x00000040 /* Count CPU Write Buffer Misses */
#define AR2315_PERF1_EB_ARDY 0x00000001 /* Count EB_ARdy signal */
#define AR2315_PERF1_EB_AVALID 0x00000002 /* Count EB_AValid signal */
#define AR2315_PERF1_EB_WDRDY 0x00000004 /* Count EB_WDRdy signal */
#define AR2315_PERF1_EB_RDVAL 0x00000008 /* Count EB_RdVal signal */
#define AR2315_PERF1_VRADDR 0x00000010 /* Count valid read address cycles*/
#define AR2315_PERF1_VWADDR 0x00000020 /* Count valid write address cycl.*/
#define AR2315_PERF1_VWDATA 0x00000040 /* Count valid write data cycles */
/* AHB Error Reporting */
#define AR2315_AHB_ERR0 0x0050 /* error */
#define AR2315_AHB_ERR1 0x0054 /* haddr */
#define AR2315_AHB_ERR2 0x0058 /* hwdata */
#define AR2315_AHB_ERR3 0x005c /* hrdata */
#define AR2315_AHB_ERR4 0x0060 /* status */
#define AR2315_AHB_ERROR_DET 1 /* AHB Error has been detected, */
/* write 1 to clear all bits in ERR0 */
#define AR2315_AHB_ERROR_OVR 2 /* AHB Error overflow has been detected */
#define AR2315_AHB_ERROR_WDT 4 /* AHB Error due to wdt instead of hresp */
#define AR2315_PROCERR_HMAST 0x0000000f
#define AR2315_PROCERR_HMAST_DFLT 0
#define AR2315_PROCERR_HMAST_WMAC 1
#define AR2315_PROCERR_HMAST_ENET 2
#define AR2315_PROCERR_HMAST_PCIENDPT 3
#define AR2315_PROCERR_HMAST_LOCAL 4
#define AR2315_PROCERR_HMAST_CPU 5
#define AR2315_PROCERR_HMAST_PCITGT 6
#define AR2315_PROCERR_HMAST_S 0
#define AR2315_PROCERR_HWRITE 0x00000010
#define AR2315_PROCERR_HSIZE 0x00000060
#define AR2315_PROCERR_HSIZE_S 5
#define AR2315_PROCERR_HTRANS 0x00000180
#define AR2315_PROCERR_HTRANS_S 7
#define AR2315_PROCERR_HBURST 0x00000e00
#define AR2315_PROCERR_HBURST_S 9
/* Clock Control */
#define AR2315_PLLC_CTL 0x0064
#define AR2315_PLLV_CTL 0x0068
#define AR2315_CPUCLK 0x006c
#define AR2315_AMBACLK 0x0070
#define AR2315_SYNCCLK 0x0074
#define AR2315_DSL_SLEEP_CTL 0x0080
#define AR2315_DSL_SLEEP_DUR 0x0084
/* PLLc Control fields */
#define AR2315_PLLC_REF_DIV_M 0x00000003
#define AR2315_PLLC_REF_DIV_S 0
#define AR2315_PLLC_FDBACK_DIV_M 0x0000007c
#define AR2315_PLLC_FDBACK_DIV_S 2
#define AR2315_PLLC_ADD_FDBACK_DIV_M 0x00000080
#define AR2315_PLLC_ADD_FDBACK_DIV_S 7
#define AR2315_PLLC_CLKC_DIV_M 0x0001c000
#define AR2315_PLLC_CLKC_DIV_S 14
#define AR2315_PLLC_CLKM_DIV_M 0x00700000
#define AR2315_PLLC_CLKM_DIV_S 20
/* CPU CLK Control fields */
#define AR2315_CPUCLK_CLK_SEL_M 0x00000003
#define AR2315_CPUCLK_CLK_SEL_S 0
#define AR2315_CPUCLK_CLK_DIV_M 0x0000000c
#define AR2315_CPUCLK_CLK_DIV_S 2
/* AMBA CLK Control fields */
#define AR2315_AMBACLK_CLK_SEL_M 0x00000003
#define AR2315_AMBACLK_CLK_SEL_S 0
#define AR2315_AMBACLK_CLK_DIV_M 0x0000000c
#define AR2315_AMBACLK_CLK_DIV_S 2
/* PCI Clock Control */
#define AR2315_PCICLK 0x00a4
#define AR2315_PCICLK_INPUT_M 0x00000003
#define AR2315_PCICLK_INPUT_S 0
#define AR2315_PCICLK_PLLC_CLKM 0
#define AR2315_PCICLK_PLLC_CLKM1 1
#define AR2315_PCICLK_PLLC_CLKC 2
#define AR2315_PCICLK_REF_CLK 3
#define AR2315_PCICLK_DIV_M 0x0000000c
#define AR2315_PCICLK_DIV_S 2
#define AR2315_PCICLK_IN_FREQ 0
#define AR2315_PCICLK_IN_FREQ_DIV_6 1
#define AR2315_PCICLK_IN_FREQ_DIV_8 2
#define AR2315_PCICLK_IN_FREQ_DIV_10 3
/* Observation Control Register */
#define AR2315_OCR 0x00b0
#define AR2315_OCR_GPIO0_IRIN 0x00000040
#define AR2315_OCR_GPIO1_IROUT 0x00000080
#define AR2315_OCR_GPIO3_RXCLR 0x00000200
/* General Clock Control */
#define AR2315_MISCCLK 0x00b4
#define AR2315_MISCCLK_PLLBYPASS_EN 0x00000001
#define AR2315_MISCCLK_PROCREFCLK 0x00000002
/*
* SDRAM Controller
* - No read or write buffers are included.
*/
#define AR2315_MEM_CFG 0x0000
#define AR2315_MEM_CTRL 0x000c
#define AR2315_MEM_REF 0x0010
#define AR2315_MEM_CFG_DATA_WIDTH_M 0x00006000
#define AR2315_MEM_CFG_DATA_WIDTH_S 13
#define AR2315_MEM_CFG_COL_WIDTH_M 0x00001e00
#define AR2315_MEM_CFG_COL_WIDTH_S 9
#define AR2315_MEM_CFG_ROW_WIDTH_M 0x000001e0
#define AR2315_MEM_CFG_ROW_WIDTH_S 5
#define AR2315_MEM_CFG_BANKADDR_BITS_M 0x00000018
#define AR2315_MEM_CFG_BANKADDR_BITS_S 3
/*
* Local Bus Interface Registers
*/
#define AR2315_LB_CONFIG 0x0000
#define AR2315_LBCONF_OE 0x00000001 /* =1 OE is low-true */
#define AR2315_LBCONF_CS0 0x00000002 /* =1 first CS is low-true */
#define AR2315_LBCONF_CS1 0x00000004 /* =1 2nd CS is low-true */
#define AR2315_LBCONF_RDY 0x00000008 /* =1 RDY is low-true */
#define AR2315_LBCONF_WE 0x00000010 /* =1 Write En is low-true */
#define AR2315_LBCONF_WAIT 0x00000020 /* =1 WAIT is low-true */
#define AR2315_LBCONF_ADS 0x00000040 /* =1 Adr Strobe is low-true */
#define AR2315_LBCONF_MOT 0x00000080 /* =0 Intel, =1 Motorola */
#define AR2315_LBCONF_8CS 0x00000100 /* =1 8 bits CS, 0= 16bits */
#define AR2315_LBCONF_8DS 0x00000200 /* =1 8 bits Data S, 0=16bits */
#define AR2315_LBCONF_ADS_EN 0x00000400 /* =1 Enable ADS */
#define AR2315_LBCONF_ADR_OE 0x00000800 /* =1 Adr cap on OE, WE or DS */
#define AR2315_LBCONF_ADDT_MUX 0x00001000 /* =1 Adr and Data share bus */
#define AR2315_LBCONF_DATA_OE 0x00002000 /* =1 Data cap on OE, WE, DS */
#define AR2315_LBCONF_16DATA 0x00004000 /* =1 Data is 16 bits wide */
#define AR2315_LBCONF_SWAPDT 0x00008000 /* =1 Byte swap data */
#define AR2315_LBCONF_SYNC 0x00010000 /* =1 Bus synchronous to clk */
#define AR2315_LBCONF_INT 0x00020000 /* =1 Intr is low true */
#define AR2315_LBCONF_INT_CTR0 0x00000000 /* GND high-Z, Vdd is high-Z */
#define AR2315_LBCONF_INT_CTR1 0x00040000 /* GND drive, Vdd is high-Z */
#define AR2315_LBCONF_INT_CTR2 0x00080000 /* GND high-Z, Vdd drive */
#define AR2315_LBCONF_INT_CTR3 0x000c0000 /* GND drive, Vdd drive */
#define AR2315_LBCONF_RDY_WAIT 0x00100000 /* =1 RDY is negative of WAIT */
#define AR2315_LBCONF_INT_PULSE 0x00200000 /* =1 Interrupt is a pulse */
#define AR2315_LBCONF_ENABLE 0x00400000 /* =1 Falcon respond to LB */
#define AR2315_LB_CLKSEL 0x0004
#define AR2315_LBCLK_EXT 0x00000001 /* use external clk for lb */
#define AR2315_LB_1MS 0x0008
#define AR2315_LB1MS_MASK 0x0003ffff /* # of AHB clk cycles in 1ms */
#define AR2315_LB_MISCCFG 0x000c
#define AR2315_LBM_TXD_EN 0x00000001 /* Enable TXD for fragments */
#define AR2315_LBM_RX_INTEN 0x00000002 /* Enable LB ints on RX ready */
#define AR2315_LBM_MBOXWR_INTEN 0x00000004 /* Enable LB ints on mbox wr */
#define AR2315_LBM_MBOXRD_INTEN 0x00000008 /* Enable LB ints on mbox rd */
#define AR2315_LMB_DESCSWAP_EN 0x00000010 /* Byte swap desc enable */
#define AR2315_LBM_TIMEOUT_M 0x00ffff80
#define AR2315_LBM_TIMEOUT_S 7
#define AR2315_LBM_PORTMUX 0x07000000
#define AR2315_LB_RXTSOFF 0x0010
#define AR2315_LB_TX_CHAIN_EN 0x0100
#define AR2315_LB_TXEN_0 0x00000001
#define AR2315_LB_TXEN_1 0x00000002
#define AR2315_LB_TXEN_2 0x00000004
#define AR2315_LB_TXEN_3 0x00000008
#define AR2315_LB_TX_CHAIN_DIS 0x0104
#define AR2315_LB_TX_DESC_PTR 0x0200
#define AR2315_LB_RX_CHAIN_EN 0x0400
#define AR2315_LB_RXEN 0x00000001
#define AR2315_LB_RX_CHAIN_DIS 0x0404
#define AR2315_LB_RX_DESC_PTR 0x0408
#define AR2315_LB_INT_STATUS 0x0500
#define AR2315_LB_INT_TX_DESC 0x00000001
#define AR2315_LB_INT_TX_OK 0x00000002
#define AR2315_LB_INT_TX_ERR 0x00000004
#define AR2315_LB_INT_TX_EOF 0x00000008
#define AR2315_LB_INT_RX_DESC 0x00000010
#define AR2315_LB_INT_RX_OK 0x00000020
#define AR2315_LB_INT_RX_ERR 0x00000040
#define AR2315_LB_INT_RX_EOF 0x00000080
#define AR2315_LB_INT_TX_TRUNC 0x00000100
#define AR2315_LB_INT_TX_STARVE 0x00000200
#define AR2315_LB_INT_LB_TIMEOUT 0x00000400
#define AR2315_LB_INT_LB_ERR 0x00000800
#define AR2315_LB_INT_MBOX_WR 0x00001000
#define AR2315_LB_INT_MBOX_RD 0x00002000
/* Bit definitions for INT MASK are the same as INT_STATUS */
#define AR2315_LB_INT_MASK 0x0504
#define AR2315_LB_INT_EN 0x0508
#define AR2315_LB_MBOX 0x0600
#endif /* __ASM_MACH_ATH25_AR2315_REGS_H */