diff options
Diffstat (limited to 'arch/mips/include/asm/mach-au1x00')
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/au1000.h | 1211 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/au1000_dma.h | 453 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/au1100_mmc.h | 210 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/au1200fb.h | 15 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/au1550_spi.h | 16 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/au1550nd.h | 17 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h | 388 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/au1xxx_eth.h | 19 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/au1xxx_psc.h | 466 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/cpu-feature-overrides.h | 94 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/gpio-au1000.h | 532 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/gpio-au1300.h | 123 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/prom.h | 13 |
13 files changed, 3557 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-au1x00/au1000.h b/arch/mips/include/asm/mach-au1x00/au1000.h new file mode 100644 index 000000000..a7eec3364 --- /dev/null +++ b/arch/mips/include/asm/mach-au1x00/au1000.h @@ -0,0 +1,1211 @@ +/* + * + * BRIEF MODULE DESCRIPTION + * Include file for Alchemy Semiconductor's Au1k CPU. + * + * Copyright 2000-2001, 2006-2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + + /* + * some definitions add by takuzo@sm.sony.co.jp and sato@sm.sony.co.jp + */ + +#ifndef _AU1000_H_ +#define _AU1000_H_ + +/* SOC Interrupt numbers */ +/* Au1000-style (IC0/1): 2 controllers with 32 sources each */ +#define AU1000_INTC0_INT_BASE (MIPS_CPU_IRQ_BASE + 8) +#define AU1000_INTC0_INT_LAST (AU1000_INTC0_INT_BASE + 31) +#define AU1000_INTC1_INT_BASE (AU1000_INTC0_INT_LAST + 1) +#define AU1000_INTC1_INT_LAST (AU1000_INTC1_INT_BASE + 31) +#define AU1000_MAX_INTR AU1000_INTC1_INT_LAST + +/* Au1300-style (GPIC): 1 controller with up to 128 sources */ +#define ALCHEMY_GPIC_INT_BASE (MIPS_CPU_IRQ_BASE + 8) +#define ALCHEMY_GPIC_INT_NUM 128 +#define ALCHEMY_GPIC_INT_LAST (ALCHEMY_GPIC_INT_BASE + ALCHEMY_GPIC_INT_NUM - 1) + +/* common clock names, shared among all variants. AUXPLL2 is Au1300 */ +#define ALCHEMY_ROOT_CLK "root_clk" +#define ALCHEMY_CPU_CLK "cpu_clk" +#define ALCHEMY_AUXPLL_CLK "auxpll_clk" +#define ALCHEMY_AUXPLL2_CLK "auxpll2_clk" +#define ALCHEMY_SYSBUS_CLK "sysbus_clk" +#define ALCHEMY_PERIPH_CLK "periph_clk" +#define ALCHEMY_MEM_CLK "mem_clk" +#define ALCHEMY_LR_CLK "lr_clk" +#define ALCHEMY_FG0_CLK "fg0_clk" +#define ALCHEMY_FG1_CLK "fg1_clk" +#define ALCHEMY_FG2_CLK "fg2_clk" +#define ALCHEMY_FG3_CLK "fg3_clk" +#define ALCHEMY_FG4_CLK "fg4_clk" +#define ALCHEMY_FG5_CLK "fg5_clk" + +/* Au1300 peripheral interrupt numbers */ +#define AU1300_FIRST_INT (ALCHEMY_GPIC_INT_BASE) +#define AU1300_UART1_INT (AU1300_FIRST_INT + 17) +#define AU1300_UART2_INT (AU1300_FIRST_INT + 25) +#define AU1300_UART3_INT (AU1300_FIRST_INT + 27) +#define AU1300_SD1_INT (AU1300_FIRST_INT + 32) +#define AU1300_SD2_INT (AU1300_FIRST_INT + 38) +#define AU1300_PSC0_INT (AU1300_FIRST_INT + 48) +#define AU1300_PSC1_INT (AU1300_FIRST_INT + 52) +#define AU1300_PSC2_INT (AU1300_FIRST_INT + 56) +#define AU1300_PSC3_INT (AU1300_FIRST_INT + 60) +#define AU1300_NAND_INT (AU1300_FIRST_INT + 62) +#define AU1300_DDMA_INT (AU1300_FIRST_INT + 75) +#define AU1300_MMU_INT (AU1300_FIRST_INT + 76) +#define AU1300_MPU_INT (AU1300_FIRST_INT + 77) +#define AU1300_GPU_INT (AU1300_FIRST_INT + 78) +#define AU1300_UDMA_INT (AU1300_FIRST_INT + 79) +#define AU1300_TOY_INT (AU1300_FIRST_INT + 80) +#define AU1300_TOY_MATCH0_INT (AU1300_FIRST_INT + 81) +#define AU1300_TOY_MATCH1_INT (AU1300_FIRST_INT + 82) +#define AU1300_TOY_MATCH2_INT (AU1300_FIRST_INT + 83) +#define AU1300_RTC_INT (AU1300_FIRST_INT + 84) +#define AU1300_RTC_MATCH0_INT (AU1300_FIRST_INT + 85) +#define AU1300_RTC_MATCH1_INT (AU1300_FIRST_INT + 86) +#define AU1300_RTC_MATCH2_INT (AU1300_FIRST_INT + 87) +#define AU1300_UART0_INT (AU1300_FIRST_INT + 88) +#define AU1300_SD0_INT (AU1300_FIRST_INT + 89) +#define AU1300_USB_INT (AU1300_FIRST_INT + 90) +#define AU1300_LCD_INT (AU1300_FIRST_INT + 91) +#define AU1300_BSA_INT (AU1300_FIRST_INT + 92) +#define AU1300_MPE_INT (AU1300_FIRST_INT + 93) +#define AU1300_ITE_INT (AU1300_FIRST_INT + 94) +#define AU1300_AES_INT (AU1300_FIRST_INT + 95) +#define AU1300_CIM_INT (AU1300_FIRST_INT + 96) + +/**********************************************************************/ + +/* + * Physical base addresses for integrated peripherals + * 0..au1000 1..au1500 2..au1100 3..au1550 4..au1200 5..au1300 + */ + +#define AU1000_AC97_PHYS_ADDR 0x10000000 /* 012 */ +#define AU1300_ROM_PHYS_ADDR 0x10000000 /* 5 */ +#define AU1300_OTP_PHYS_ADDR 0x10002000 /* 5 */ +#define AU1300_VSS_PHYS_ADDR 0x10003000 /* 5 */ +#define AU1300_UART0_PHYS_ADDR 0x10100000 /* 5 */ +#define AU1300_UART1_PHYS_ADDR 0x10101000 /* 5 */ +#define AU1300_UART2_PHYS_ADDR 0x10102000 /* 5 */ +#define AU1300_UART3_PHYS_ADDR 0x10103000 /* 5 */ +#define AU1000_USB_OHCI_PHYS_ADDR 0x10100000 /* 012 */ +#define AU1000_USB_UDC_PHYS_ADDR 0x10200000 /* 0123 */ +#define AU1300_GPIC_PHYS_ADDR 0x10200000 /* 5 */ +#define AU1000_IRDA_PHYS_ADDR 0x10300000 /* 02 */ +#define AU1200_AES_PHYS_ADDR 0x10300000 /* 45 */ +#define AU1000_IC0_PHYS_ADDR 0x10400000 /* 01234 */ +#define AU1300_GPU_PHYS_ADDR 0x10500000 /* 5 */ +#define AU1000_MAC0_PHYS_ADDR 0x10500000 /* 023 */ +#define AU1000_MAC1_PHYS_ADDR 0x10510000 /* 023 */ +#define AU1000_MACEN_PHYS_ADDR 0x10520000 /* 023 */ +#define AU1100_SD0_PHYS_ADDR 0x10600000 /* 245 */ +#define AU1300_SD1_PHYS_ADDR 0x10601000 /* 5 */ +#define AU1300_SD2_PHYS_ADDR 0x10602000 /* 5 */ +#define AU1100_SD1_PHYS_ADDR 0x10680000 /* 24 */ +#define AU1300_SYS_PHYS_ADDR 0x10900000 /* 5 */ +#define AU1550_PSC2_PHYS_ADDR 0x10A00000 /* 3 */ +#define AU1550_PSC3_PHYS_ADDR 0x10B00000 /* 3 */ +#define AU1300_PSC0_PHYS_ADDR 0x10A00000 /* 5 */ +#define AU1300_PSC1_PHYS_ADDR 0x10A01000 /* 5 */ +#define AU1300_PSC2_PHYS_ADDR 0x10A02000 /* 5 */ +#define AU1300_PSC3_PHYS_ADDR 0x10A03000 /* 5 */ +#define AU1000_I2S_PHYS_ADDR 0x11000000 /* 02 */ +#define AU1500_MAC0_PHYS_ADDR 0x11500000 /* 1 */ +#define AU1500_MAC1_PHYS_ADDR 0x11510000 /* 1 */ +#define AU1500_MACEN_PHYS_ADDR 0x11520000 /* 1 */ +#define AU1000_UART0_PHYS_ADDR 0x11100000 /* 01234 */ +#define AU1200_SWCNT_PHYS_ADDR 0x1110010C /* 4 */ +#define AU1000_UART1_PHYS_ADDR 0x11200000 /* 0234 */ +#define AU1000_UART2_PHYS_ADDR 0x11300000 /* 0 */ +#define AU1000_UART3_PHYS_ADDR 0x11400000 /* 0123 */ +#define AU1000_SSI0_PHYS_ADDR 0x11600000 /* 02 */ +#define AU1000_SSI1_PHYS_ADDR 0x11680000 /* 02 */ +#define AU1500_GPIO2_PHYS_ADDR 0x11700000 /* 1234 */ +#define AU1000_IC1_PHYS_ADDR 0x11800000 /* 01234 */ +#define AU1000_SYS_PHYS_ADDR 0x11900000 /* 012345 */ +#define AU1550_PSC0_PHYS_ADDR 0x11A00000 /* 34 */ +#define AU1550_PSC1_PHYS_ADDR 0x11B00000 /* 34 */ +#define AU1000_MEM_PHYS_ADDR 0x14000000 /* 01234 */ +#define AU1000_STATIC_MEM_PHYS_ADDR 0x14001000 /* 01234 */ +#define AU1300_UDMA_PHYS_ADDR 0x14001800 /* 5 */ +#define AU1000_DMA_PHYS_ADDR 0x14002000 /* 012 */ +#define AU1550_DBDMA_PHYS_ADDR 0x14002000 /* 345 */ +#define AU1550_DBDMA_CONF_PHYS_ADDR 0x14003000 /* 345 */ +#define AU1000_MACDMA0_PHYS_ADDR 0x14004000 /* 0123 */ +#define AU1000_MACDMA1_PHYS_ADDR 0x14004200 /* 0123 */ +#define AU1200_CIM_PHYS_ADDR 0x14004000 /* 45 */ +#define AU1500_PCI_PHYS_ADDR 0x14005000 /* 13 */ +#define AU1550_PE_PHYS_ADDR 0x14008000 /* 3 */ +#define AU1200_MAEBE_PHYS_ADDR 0x14010000 /* 4 */ +#define AU1200_MAEFE_PHYS_ADDR 0x14012000 /* 4 */ +#define AU1300_MAEITE_PHYS_ADDR 0x14010000 /* 5 */ +#define AU1300_MAEMPE_PHYS_ADDR 0x14014000 /* 5 */ +#define AU1550_USB_OHCI_PHYS_ADDR 0x14020000 /* 3 */ +#define AU1200_USB_CTL_PHYS_ADDR 0x14020000 /* 4 */ +#define AU1200_USB_OTG_PHYS_ADDR 0x14020020 /* 4 */ +#define AU1200_USB_OHCI_PHYS_ADDR 0x14020100 /* 4 */ +#define AU1200_USB_EHCI_PHYS_ADDR 0x14020200 /* 4 */ +#define AU1200_USB_UDC_PHYS_ADDR 0x14022000 /* 4 */ +#define AU1300_USB_EHCI_PHYS_ADDR 0x14020000 /* 5 */ +#define AU1300_USB_OHCI0_PHYS_ADDR 0x14020400 /* 5 */ +#define AU1300_USB_OHCI1_PHYS_ADDR 0x14020800 /* 5 */ +#define AU1300_USB_CTL_PHYS_ADDR 0x14021000 /* 5 */ +#define AU1300_USB_OTG_PHYS_ADDR 0x14022000 /* 5 */ +#define AU1300_MAEBSA_PHYS_ADDR 0x14030000 /* 5 */ +#define AU1100_LCD_PHYS_ADDR 0x15000000 /* 2 */ +#define AU1200_LCD_PHYS_ADDR 0x15000000 /* 45 */ +#define AU1500_PCI_MEM_PHYS_ADDR 0x400000000ULL /* 13 */ +#define AU1500_PCI_IO_PHYS_ADDR 0x500000000ULL /* 13 */ +#define AU1500_PCI_CONFIG0_PHYS_ADDR 0x600000000ULL /* 13 */ +#define AU1500_PCI_CONFIG1_PHYS_ADDR 0x680000000ULL /* 13 */ +#define AU1000_PCMCIA_IO_PHYS_ADDR 0xF00000000ULL /* 012345 */ +#define AU1000_PCMCIA_ATTR_PHYS_ADDR 0xF40000000ULL /* 012345 */ +#define AU1000_PCMCIA_MEM_PHYS_ADDR 0xF80000000ULL /* 012345 */ + +/**********************************************************************/ + + +/* + * Au1300 GPIO+INT controller (GPIC) register offsets and bits + * Registers are 128bits (0x10 bytes), divided into 4 "banks". + */ +#define AU1300_GPIC_PINVAL 0x0000 +#define AU1300_GPIC_PINVALCLR 0x0010 +#define AU1300_GPIC_IPEND 0x0020 +#define AU1300_GPIC_PRIENC 0x0030 +#define AU1300_GPIC_IEN 0x0040 /* int_mask in manual */ +#define AU1300_GPIC_IDIS 0x0050 /* int_maskclr in manual */ +#define AU1300_GPIC_DMASEL 0x0060 +#define AU1300_GPIC_DEVSEL 0x0080 +#define AU1300_GPIC_DEVCLR 0x0090 +#define AU1300_GPIC_RSTVAL 0x00a0 +/* pin configuration space. one 32bit register for up to 128 IRQs */ +#define AU1300_GPIC_PINCFG 0x1000 + +#define GPIC_GPIO_TO_BIT(gpio) \ + (1 << ((gpio) & 0x1f)) + +#define GPIC_GPIO_BANKOFF(gpio) \ + (((gpio) >> 5) * 4) + +/* Pin Control bits: who owns the pin, what does it do */ +#define GPIC_CFG_PC_GPIN 0 +#define GPIC_CFG_PC_DEV 1 +#define GPIC_CFG_PC_GPOLOW 2 +#define GPIC_CFG_PC_GPOHIGH 3 +#define GPIC_CFG_PC_MASK 3 + +/* assign pin to MIPS IRQ line */ +#define GPIC_CFG_IL_SET(x) (((x) & 3) << 2) +#define GPIC_CFG_IL_MASK (3 << 2) + +/* pin interrupt type setup */ +#define GPIC_CFG_IC_OFF (0 << 4) +#define GPIC_CFG_IC_LEVEL_LOW (1 << 4) +#define GPIC_CFG_IC_LEVEL_HIGH (2 << 4) +#define GPIC_CFG_IC_EDGE_FALL (5 << 4) +#define GPIC_CFG_IC_EDGE_RISE (6 << 4) +#define GPIC_CFG_IC_EDGE_BOTH (7 << 4) +#define GPIC_CFG_IC_MASK (7 << 4) + +/* allow interrupt to wake cpu from 'wait' */ +#define GPIC_CFG_IDLEWAKE (1 << 7) + +/***********************************************************************/ + +/* Au1000 SDRAM memory controller register offsets */ +#define AU1000_MEM_SDMODE0 0x0000 +#define AU1000_MEM_SDMODE1 0x0004 +#define AU1000_MEM_SDMODE2 0x0008 +#define AU1000_MEM_SDADDR0 0x000C +#define AU1000_MEM_SDADDR1 0x0010 +#define AU1000_MEM_SDADDR2 0x0014 +#define AU1000_MEM_SDREFCFG 0x0018 +#define AU1000_MEM_SDPRECMD 0x001C +#define AU1000_MEM_SDAUTOREF 0x0020 +#define AU1000_MEM_SDWRMD0 0x0024 +#define AU1000_MEM_SDWRMD1 0x0028 +#define AU1000_MEM_SDWRMD2 0x002C +#define AU1000_MEM_SDSLEEP 0x0030 +#define AU1000_MEM_SDSMCKE 0x0034 + +/* MEM_SDMODE register content definitions */ +#define MEM_SDMODE_F (1 << 22) +#define MEM_SDMODE_SR (1 << 21) +#define MEM_SDMODE_BS (1 << 20) +#define MEM_SDMODE_RS (3 << 18) +#define MEM_SDMODE_CS (7 << 15) +#define MEM_SDMODE_TRAS (15 << 11) +#define MEM_SDMODE_TMRD (3 << 9) +#define MEM_SDMODE_TWR (3 << 7) +#define MEM_SDMODE_TRP (3 << 5) +#define MEM_SDMODE_TRCD (3 << 3) +#define MEM_SDMODE_TCL (7 << 0) + +#define MEM_SDMODE_BS_2Bank (0 << 20) +#define MEM_SDMODE_BS_4Bank (1 << 20) +#define MEM_SDMODE_RS_11Row (0 << 18) +#define MEM_SDMODE_RS_12Row (1 << 18) +#define MEM_SDMODE_RS_13Row (2 << 18) +#define MEM_SDMODE_RS_N(N) ((N) << 18) +#define MEM_SDMODE_CS_7Col (0 << 15) +#define MEM_SDMODE_CS_8Col (1 << 15) +#define MEM_SDMODE_CS_9Col (2 << 15) +#define MEM_SDMODE_CS_10Col (3 << 15) +#define MEM_SDMODE_CS_11Col (4 << 15) +#define MEM_SDMODE_CS_N(N) ((N) << 15) +#define MEM_SDMODE_TRAS_N(N) ((N) << 11) +#define MEM_SDMODE_TMRD_N(N) ((N) << 9) +#define MEM_SDMODE_TWR_N(N) ((N) << 7) +#define MEM_SDMODE_TRP_N(N) ((N) << 5) +#define MEM_SDMODE_TRCD_N(N) ((N) << 3) +#define MEM_SDMODE_TCL_N(N) ((N) << 0) + +/* MEM_SDADDR register contents definitions */ +#define MEM_SDADDR_E (1 << 20) +#define MEM_SDADDR_CSBA (0x03FF << 10) +#define MEM_SDADDR_CSMASK (0x03FF << 0) +#define MEM_SDADDR_CSBA_N(N) ((N) & (0x03FF << 22) >> 12) +#define MEM_SDADDR_CSMASK_N(N) ((N)&(0x03FF << 22) >> 22) + +/* MEM_SDREFCFG register content definitions */ +#define MEM_SDREFCFG_TRC (15 << 28) +#define MEM_SDREFCFG_TRPM (3 << 26) +#define MEM_SDREFCFG_E (1 << 25) +#define MEM_SDREFCFG_RE (0x1ffffff << 0) +#define MEM_SDREFCFG_TRC_N(N) ((N) << MEM_SDREFCFG_TRC) +#define MEM_SDREFCFG_TRPM_N(N) ((N) << MEM_SDREFCFG_TRPM) +#define MEM_SDREFCFG_REF_N(N) (N) + +/* Au1550 SDRAM Register Offsets */ +#define AU1550_MEM_SDMODE0 0x0800 +#define AU1550_MEM_SDMODE1 0x0808 +#define AU1550_MEM_SDMODE2 0x0810 +#define AU1550_MEM_SDADDR0 0x0820 +#define AU1550_MEM_SDADDR1 0x0828 +#define AU1550_MEM_SDADDR2 0x0830 +#define AU1550_MEM_SDCONFIGA 0x0840 +#define AU1550_MEM_SDCONFIGB 0x0848 +#define AU1550_MEM_SDSTAT 0x0850 +#define AU1550_MEM_SDERRADDR 0x0858 +#define AU1550_MEM_SDSTRIDE0 0x0860 +#define AU1550_MEM_SDSTRIDE1 0x0868 +#define AU1550_MEM_SDSTRIDE2 0x0870 +#define AU1550_MEM_SDWRMD0 0x0880 +#define AU1550_MEM_SDWRMD1 0x0888 +#define AU1550_MEM_SDWRMD2 0x0890 +#define AU1550_MEM_SDPRECMD 0x08C0 +#define AU1550_MEM_SDAUTOREF 0x08C8 +#define AU1550_MEM_SDSREF 0x08D0 +#define AU1550_MEM_SDSLEEP MEM_SDSREF + +/* Static Bus Controller register offsets */ +#define AU1000_MEM_STCFG0 0x000 +#define AU1000_MEM_STTIME0 0x004 +#define AU1000_MEM_STADDR0 0x008 +#define AU1000_MEM_STCFG1 0x010 +#define AU1000_MEM_STTIME1 0x014 +#define AU1000_MEM_STADDR1 0x018 +#define AU1000_MEM_STCFG2 0x020 +#define AU1000_MEM_STTIME2 0x024 +#define AU1000_MEM_STADDR2 0x028 +#define AU1000_MEM_STCFG3 0x030 +#define AU1000_MEM_STTIME3 0x034 +#define AU1000_MEM_STADDR3 0x038 +#define AU1000_MEM_STNDCTL 0x100 +#define AU1000_MEM_STSTAT 0x104 + +#define MEM_STNAND_CMD 0x0 +#define MEM_STNAND_ADDR 0x4 +#define MEM_STNAND_DATA 0x20 + + +/* Programmable Counters 0 and 1 */ +#define AU1000_SYS_CNTRCTRL 0x14 +# define SYS_CNTRL_E1S (1 << 23) +# define SYS_CNTRL_T1S (1 << 20) +# define SYS_CNTRL_M21 (1 << 19) +# define SYS_CNTRL_M11 (1 << 18) +# define SYS_CNTRL_M01 (1 << 17) +# define SYS_CNTRL_C1S (1 << 16) +# define SYS_CNTRL_BP (1 << 14) +# define SYS_CNTRL_EN1 (1 << 13) +# define SYS_CNTRL_BT1 (1 << 12) +# define SYS_CNTRL_EN0 (1 << 11) +# define SYS_CNTRL_BT0 (1 << 10) +# define SYS_CNTRL_E0 (1 << 8) +# define SYS_CNTRL_E0S (1 << 7) +# define SYS_CNTRL_32S (1 << 5) +# define SYS_CNTRL_T0S (1 << 4) +# define SYS_CNTRL_M20 (1 << 3) +# define SYS_CNTRL_M10 (1 << 2) +# define SYS_CNTRL_M00 (1 << 1) +# define SYS_CNTRL_C0S (1 << 0) + +/* Programmable Counter 0 Registers */ +#define AU1000_SYS_TOYTRIM 0x00 +#define AU1000_SYS_TOYWRITE 0x04 +#define AU1000_SYS_TOYMATCH0 0x08 +#define AU1000_SYS_TOYMATCH1 0x0c +#define AU1000_SYS_TOYMATCH2 0x10 +#define AU1000_SYS_TOYREAD 0x40 + +/* Programmable Counter 1 Registers */ +#define AU1000_SYS_RTCTRIM 0x44 +#define AU1000_SYS_RTCWRITE 0x48 +#define AU1000_SYS_RTCMATCH0 0x4c +#define AU1000_SYS_RTCMATCH1 0x50 +#define AU1000_SYS_RTCMATCH2 0x54 +#define AU1000_SYS_RTCREAD 0x58 + + +/* GPIO */ +#define AU1000_SYS_PINFUNC 0x2C +# define SYS_PF_USB (1 << 15) /* 2nd USB device/host */ +# define SYS_PF_U3 (1 << 14) /* GPIO23/U3TXD */ +# define SYS_PF_U2 (1 << 13) /* GPIO22/U2TXD */ +# define SYS_PF_U1 (1 << 12) /* GPIO21/U1TXD */ +# define SYS_PF_SRC (1 << 11) /* GPIO6/SROMCKE */ +# define SYS_PF_CK5 (1 << 10) /* GPIO3/CLK5 */ +# define SYS_PF_CK4 (1 << 9) /* GPIO2/CLK4 */ +# define SYS_PF_IRF (1 << 8) /* GPIO15/IRFIRSEL */ +# define SYS_PF_UR3 (1 << 7) /* GPIO[14:9]/UART3 */ +# define SYS_PF_I2D (1 << 6) /* GPIO8/I2SDI */ +# define SYS_PF_I2S (1 << 5) /* I2S/GPIO[29:31] */ +# define SYS_PF_NI2 (1 << 4) /* NI2/GPIO[24:28] */ +# define SYS_PF_U0 (1 << 3) /* U0TXD/GPIO20 */ +# define SYS_PF_RD (1 << 2) /* IRTXD/GPIO19 */ +# define SYS_PF_A97 (1 << 1) /* AC97/SSL1 */ +# define SYS_PF_S0 (1 << 0) /* SSI_0/GPIO[16:18] */ + +/* Au1100 only */ +# define SYS_PF_PC (1 << 18) /* PCMCIA/GPIO[207:204] */ +# define SYS_PF_LCD (1 << 17) /* extern lcd/GPIO[203:200] */ +# define SYS_PF_CS (1 << 16) /* EXTCLK0/32KHz to gpio2 */ +# define SYS_PF_EX0 (1 << 9) /* GPIO2/clock */ + +/* Au1550 only. Redefines lots of pins */ +# define SYS_PF_PSC2_MASK (7 << 17) +# define SYS_PF_PSC2_AC97 0 +# define SYS_PF_PSC2_SPI 0 +# define SYS_PF_PSC2_I2S (1 << 17) +# define SYS_PF_PSC2_SMBUS (3 << 17) +# define SYS_PF_PSC2_GPIO (7 << 17) +# define SYS_PF_PSC3_MASK (7 << 20) +# define SYS_PF_PSC3_AC97 0 +# define SYS_PF_PSC3_SPI 0 +# define SYS_PF_PSC3_I2S (1 << 20) +# define SYS_PF_PSC3_SMBUS (3 << 20) +# define SYS_PF_PSC3_GPIO (7 << 20) +# define SYS_PF_PSC1_S1 (1 << 1) +# define SYS_PF_MUST_BE_SET ((1 << 5) | (1 << 2)) + +/* Au1200 only */ +#define SYS_PINFUNC_DMA (1 << 31) +#define SYS_PINFUNC_S0A (1 << 30) +#define SYS_PINFUNC_S1A (1 << 29) +#define SYS_PINFUNC_LP0 (1 << 28) +#define SYS_PINFUNC_LP1 (1 << 27) +#define SYS_PINFUNC_LD16 (1 << 26) +#define SYS_PINFUNC_LD8 (1 << 25) +#define SYS_PINFUNC_LD1 (1 << 24) +#define SYS_PINFUNC_LD0 (1 << 23) +#define SYS_PINFUNC_P1A (3 << 21) +#define SYS_PINFUNC_P1B (1 << 20) +#define SYS_PINFUNC_FS3 (1 << 19) +#define SYS_PINFUNC_P0A (3 << 17) +#define SYS_PINFUNC_CS (1 << 16) +#define SYS_PINFUNC_CIM (1 << 15) +#define SYS_PINFUNC_P1C (1 << 14) +#define SYS_PINFUNC_U1T (1 << 12) +#define SYS_PINFUNC_U1R (1 << 11) +#define SYS_PINFUNC_EX1 (1 << 10) +#define SYS_PINFUNC_EX0 (1 << 9) +#define SYS_PINFUNC_U0R (1 << 8) +#define SYS_PINFUNC_MC (1 << 7) +#define SYS_PINFUNC_S0B (1 << 6) +#define SYS_PINFUNC_S0C (1 << 5) +#define SYS_PINFUNC_P0B (1 << 4) +#define SYS_PINFUNC_U0T (1 << 3) +#define SYS_PINFUNC_S1B (1 << 2) + +/* Power Management */ +#define AU1000_SYS_SCRATCH0 0x18 +#define AU1000_SYS_SCRATCH1 0x1c +#define AU1000_SYS_WAKEMSK 0x34 +#define AU1000_SYS_ENDIAN 0x38 +#define AU1000_SYS_POWERCTRL 0x3c +#define AU1000_SYS_WAKESRC 0x5c +#define AU1000_SYS_SLPPWR 0x78 +#define AU1000_SYS_SLEEP 0x7c + +#define SYS_WAKEMSK_D2 (1 << 9) +#define SYS_WAKEMSK_M2 (1 << 8) +#define SYS_WAKEMSK_GPIO(x) (1 << (x)) + +/* Clock Controller */ +#define AU1000_SYS_FREQCTRL0 0x20 +#define AU1000_SYS_FREQCTRL1 0x24 +#define AU1000_SYS_CLKSRC 0x28 +#define AU1000_SYS_CPUPLL 0x60 +#define AU1000_SYS_AUXPLL 0x64 +#define AU1300_SYS_AUXPLL2 0x68 + + +/**********************************************************************/ + + +/* The PCI chip selects are outside the 32bit space, and since we can't + * just program the 36bit addresses into BARs, we have to take a chunk + * out of the 32bit space and reserve it for PCI. When these addresses + * are ioremap()ed, they'll be fixed up to the real 36bit address before + * being passed to the real ioremap function. + */ +#define ALCHEMY_PCI_MEMWIN_START (AU1500_PCI_MEM_PHYS_ADDR >> 4) +#define ALCHEMY_PCI_MEMWIN_END (ALCHEMY_PCI_MEMWIN_START + 0x0FFFFFFF) + +/* for PCI IO it's simpler because we get to do the ioremap ourselves and then + * adjust the device's resources. + */ +#define ALCHEMY_PCI_IOWIN_START 0x00001000 +#define ALCHEMY_PCI_IOWIN_END 0x0000FFFF + +#ifdef CONFIG_PCI + +#define IOPORT_RESOURCE_START 0x00001000 /* skip legacy probing */ +#define IOPORT_RESOURCE_END 0xffffffff +#define IOMEM_RESOURCE_START 0x10000000 +#define IOMEM_RESOURCE_END 0xfffffffffULL + +#else + +/* Don't allow any legacy ports probing */ +#define IOPORT_RESOURCE_START 0x10000000 +#define IOPORT_RESOURCE_END 0xffffffff +#define IOMEM_RESOURCE_START 0x10000000 +#define IOMEM_RESOURCE_END 0xfffffffffULL + +#endif + +/* PCI controller block register offsets */ +#define PCI_REG_CMEM 0x0000 +#define PCI_REG_CONFIG 0x0004 +#define PCI_REG_B2BMASK_CCH 0x0008 +#define PCI_REG_B2BBASE0_VID 0x000C +#define PCI_REG_B2BBASE1_SID 0x0010 +#define PCI_REG_MWMASK_DEV 0x0014 +#define PCI_REG_MWBASE_REV_CCL 0x0018 +#define PCI_REG_ERR_ADDR 0x001C +#define PCI_REG_SPEC_INTACK 0x0020 +#define PCI_REG_ID 0x0100 +#define PCI_REG_STATCMD 0x0104 +#define PCI_REG_CLASSREV 0x0108 +#define PCI_REG_PARAM 0x010C +#define PCI_REG_MBAR 0x0110 +#define PCI_REG_TIMEOUT 0x0140 + +/* PCI controller block register bits */ +#define PCI_CMEM_E (1 << 28) /* enable cacheable memory */ +#define PCI_CMEM_CMBASE(x) (((x) & 0x3fff) << 14) +#define PCI_CMEM_CMMASK(x) ((x) & 0x3fff) +#define PCI_CONFIG_ERD (1 << 27) /* pci error during R/W */ +#define PCI_CONFIG_ET (1 << 26) /* error in target mode */ +#define PCI_CONFIG_EF (1 << 25) /* fatal error */ +#define PCI_CONFIG_EP (1 << 24) /* parity error */ +#define PCI_CONFIG_EM (1 << 23) /* multiple errors */ +#define PCI_CONFIG_BM (1 << 22) /* bad master error */ +#define PCI_CONFIG_PD (1 << 20) /* PCI Disable */ +#define PCI_CONFIG_BME (1 << 19) /* Byte Mask Enable for reads */ +#define PCI_CONFIG_NC (1 << 16) /* mark mem access non-coherent */ +#define PCI_CONFIG_IA (1 << 15) /* INTA# enabled (target mode) */ +#define PCI_CONFIG_IP (1 << 13) /* int on PCI_PERR# */ +#define PCI_CONFIG_IS (1 << 12) /* int on PCI_SERR# */ +#define PCI_CONFIG_IMM (1 << 11) /* int on master abort */ +#define PCI_CONFIG_ITM (1 << 10) /* int on target abort (as master) */ +#define PCI_CONFIG_ITT (1 << 9) /* int on target abort (as target) */ +#define PCI_CONFIG_IPB (1 << 8) /* int on PERR# in bus master acc */ +#define PCI_CONFIG_SIC_NO (0 << 6) /* no byte mask changes */ +#define PCI_CONFIG_SIC_BA_ADR (1 << 6) /* on byte/hw acc, invert adr bits */ +#define PCI_CONFIG_SIC_HWA_DAT (2 << 6) /* on halfword acc, swap data */ +#define PCI_CONFIG_SIC_ALL (3 << 6) /* swap data bytes on all accesses */ +#define PCI_CONFIG_ST (1 << 5) /* swap data by target transactions */ +#define PCI_CONFIG_SM (1 << 4) /* swap data from PCI ctl */ +#define PCI_CONFIG_AEN (1 << 3) /* enable internal arbiter */ +#define PCI_CONFIG_R2H (1 << 2) /* REQ2# to hi-prio arbiter */ +#define PCI_CONFIG_R1H (1 << 1) /* REQ1# to hi-prio arbiter */ +#define PCI_CONFIG_CH (1 << 0) /* PCI ctl to hi-prio arbiter */ +#define PCI_B2BMASK_B2BMASK(x) (((x) & 0xffff) << 16) +#define PCI_B2BMASK_CCH(x) ((x) & 0xffff) /* 16 upper bits of class code */ +#define PCI_B2BBASE0_VID_B0(x) (((x) & 0xffff) << 16) +#define PCI_B2BBASE0_VID_SV(x) ((x) & 0xffff) +#define PCI_B2BBASE1_SID_B1(x) (((x) & 0xffff) << 16) +#define PCI_B2BBASE1_SID_SI(x) ((x) & 0xffff) +#define PCI_MWMASKDEV_MWMASK(x) (((x) & 0xffff) << 16) +#define PCI_MWMASKDEV_DEVID(x) ((x) & 0xffff) +#define PCI_MWBASEREVCCL_BASE(x) (((x) & 0xffff) << 16) +#define PCI_MWBASEREVCCL_REV(x) (((x) & 0xff) << 8) +#define PCI_MWBASEREVCCL_CCL(x) ((x) & 0xff) +#define PCI_ID_DID(x) (((x) & 0xffff) << 16) +#define PCI_ID_VID(x) ((x) & 0xffff) +#define PCI_STATCMD_STATUS(x) (((x) & 0xffff) << 16) +#define PCI_STATCMD_CMD(x) ((x) & 0xffff) +#define PCI_CLASSREV_CLASS(x) (((x) & 0x00ffffff) << 8) +#define PCI_CLASSREV_REV(x) ((x) & 0xff) +#define PCI_PARAM_BIST(x) (((x) & 0xff) << 24) +#define PCI_PARAM_HT(x) (((x) & 0xff) << 16) +#define PCI_PARAM_LT(x) (((x) & 0xff) << 8) +#define PCI_PARAM_CLS(x) ((x) & 0xff) +#define PCI_TIMEOUT_RETRIES(x) (((x) & 0xff) << 8) /* max retries */ +#define PCI_TIMEOUT_TO(x) ((x) & 0xff) /* target ready timeout */ + + +/**********************************************************************/ + + +#ifndef _LANGUAGE_ASSEMBLY + +#include <linux/delay.h> +#include <linux/types.h> + +#include <linux/io.h> +#include <linux/irq.h> + +#include <asm/cpu.h> + +/* helpers to access the SYS_* registers */ +static inline unsigned long alchemy_rdsys(int regofs) +{ + void __iomem *b = (void __iomem *)KSEG1ADDR(AU1000_SYS_PHYS_ADDR); + + return __raw_readl(b + regofs); +} + +static inline void alchemy_wrsys(unsigned long v, int regofs) +{ + void __iomem *b = (void __iomem *)KSEG1ADDR(AU1000_SYS_PHYS_ADDR); + + __raw_writel(v, b + regofs); + wmb(); /* drain writebuffer */ +} + +/* helpers to access static memctrl registers */ +static inline unsigned long alchemy_rdsmem(int regofs) +{ + void __iomem *b = (void __iomem *)KSEG1ADDR(AU1000_STATIC_MEM_PHYS_ADDR); + + return __raw_readl(b + regofs); +} + +static inline void alchemy_wrsmem(unsigned long v, int regofs) +{ + void __iomem *b = (void __iomem *)KSEG1ADDR(AU1000_STATIC_MEM_PHYS_ADDR); + + __raw_writel(v, b + regofs); + wmb(); /* drain writebuffer */ +} + +/* Early Au1000 have a write-only SYS_CPUPLL register. */ +static inline int au1xxx_cpu_has_pll_wo(void) +{ + switch (read_c0_prid()) { + case 0x00030100: /* Au1000 DA */ + case 0x00030201: /* Au1000 HA */ + case 0x00030202: /* Au1000 HB */ + return 1; + } + return 0; +} + +/* does CPU need CONFIG[OD] set to fix tons of errata? */ +static inline int au1xxx_cpu_needs_config_od(void) +{ + /* + * c0_config.od (bit 19) was write only (and read as 0) on the + * early revisions of Alchemy SOCs. It disables the bus trans- + * action overlapping and needs to be set to fix various errata. + */ + switch (read_c0_prid()) { + case 0x00030100: /* Au1000 DA */ + case 0x00030201: /* Au1000 HA */ + case 0x00030202: /* Au1000 HB */ + case 0x01030200: /* Au1500 AB */ + /* + * Au1100/Au1200 errata actually keep silence about this bit, + * so we set it just in case for those revisions that require + * it to be set according to the (now gone) cpu_table. + */ + case 0x02030200: /* Au1100 AB */ + case 0x02030201: /* Au1100 BA */ + case 0x02030202: /* Au1100 BC */ + case 0x04030201: /* Au1200 AC */ + return 1; + } + return 0; +} + +#define ALCHEMY_CPU_UNKNOWN -1 +#define ALCHEMY_CPU_AU1000 0 +#define ALCHEMY_CPU_AU1500 1 +#define ALCHEMY_CPU_AU1100 2 +#define ALCHEMY_CPU_AU1550 3 +#define ALCHEMY_CPU_AU1200 4 +#define ALCHEMY_CPU_AU1300 5 + +static inline int alchemy_get_cputype(void) +{ + switch (read_c0_prid() & (PRID_OPT_MASK | PRID_COMP_MASK)) { + case 0x00030000: + return ALCHEMY_CPU_AU1000; + break; + case 0x01030000: + return ALCHEMY_CPU_AU1500; + break; + case 0x02030000: + return ALCHEMY_CPU_AU1100; + break; + case 0x03030000: + return ALCHEMY_CPU_AU1550; + break; + case 0x04030000: + case 0x05030000: + return ALCHEMY_CPU_AU1200; + break; + case 0x800c0000: + return ALCHEMY_CPU_AU1300; + break; + } + + return ALCHEMY_CPU_UNKNOWN; +} + +/* return number of uarts on a given cputype */ +static inline int alchemy_get_uarts(int type) +{ + switch (type) { + case ALCHEMY_CPU_AU1000: + case ALCHEMY_CPU_AU1300: + return 4; + case ALCHEMY_CPU_AU1500: + case ALCHEMY_CPU_AU1200: + return 2; + case ALCHEMY_CPU_AU1100: + case ALCHEMY_CPU_AU1550: + return 3; + } + return 0; +} + +/* enable an UART block if it isn't already */ +static inline void alchemy_uart_enable(u32 uart_phys) +{ + void __iomem *addr = (void __iomem *)KSEG1ADDR(uart_phys); + + /* reset, enable clock, deassert reset */ + if ((__raw_readl(addr + 0x100) & 3) != 3) { + __raw_writel(0, addr + 0x100); + wmb(); /* drain writebuffer */ + __raw_writel(1, addr + 0x100); + wmb(); /* drain writebuffer */ + } + __raw_writel(3, addr + 0x100); + wmb(); /* drain writebuffer */ +} + +static inline void alchemy_uart_disable(u32 uart_phys) +{ + void __iomem *addr = (void __iomem *)KSEG1ADDR(uart_phys); + + __raw_writel(0, addr + 0x100); /* UART_MOD_CNTRL */ + wmb(); /* drain writebuffer */ +} + +static inline void alchemy_uart_putchar(u32 uart_phys, u8 c) +{ + void __iomem *base = (void __iomem *)KSEG1ADDR(uart_phys); + int timeout, i; + + /* check LSR TX_EMPTY bit */ + timeout = 0xffffff; + do { + if (__raw_readl(base + 0x1c) & 0x20) + break; + /* slow down */ + for (i = 10000; i; i--) + asm volatile ("nop"); + } while (--timeout); + + __raw_writel(c, base + 0x04); /* tx */ + wmb(); /* drain writebuffer */ +} + +/* return number of ethernet MACs on a given cputype */ +static inline int alchemy_get_macs(int type) +{ + switch (type) { + case ALCHEMY_CPU_AU1000: + case ALCHEMY_CPU_AU1500: + case ALCHEMY_CPU_AU1550: + return 2; + case ALCHEMY_CPU_AU1100: + return 1; + } + return 0; +} + +/* PM: arch/mips/alchemy/common/sleeper.S, power.c, irq.c */ +void alchemy_sleep_au1000(void); +void alchemy_sleep_au1550(void); +void alchemy_sleep_au1300(void); +void au_sleep(void); + +/* USB: arch/mips/alchemy/common/usb.c */ +enum alchemy_usb_block { + ALCHEMY_USB_OHCI0, + ALCHEMY_USB_UDC0, + ALCHEMY_USB_EHCI0, + ALCHEMY_USB_OTG0, + ALCHEMY_USB_OHCI1, +}; +int alchemy_usb_control(int block, int enable); + +/* PCI controller platform data */ +struct alchemy_pci_platdata { + int (*board_map_irq)(const struct pci_dev *d, u8 slot, u8 pin); + int (*board_pci_idsel)(unsigned int devsel, int assert); + /* bits to set/clear in PCI_CONFIG register */ + unsigned long pci_cfg_set; + unsigned long pci_cfg_clr; +}; + +/* The IrDA peripheral has an IRFIRSEL pin, but on the DB/PB boards it's + * not used to select FIR/SIR mode on the transceiver but as a GPIO. + * Instead a CPLD has to be told about the mode. The driver calls the + * set_phy_mode() function in addition to driving the IRFIRSEL pin. + */ +#define AU1000_IRDA_PHY_MODE_OFF 0 +#define AU1000_IRDA_PHY_MODE_SIR 1 +#define AU1000_IRDA_PHY_MODE_FIR 2 + +struct au1k_irda_platform_data { + void (*set_phy_mode)(int mode); +}; + + +/* Multifunction pins: Each of these pins can either be assigned to the + * GPIO controller or a on-chip peripheral. + * Call "au1300_pinfunc_to_dev()" or "au1300_pinfunc_to_gpio()" to + * assign one of these to either the GPIO controller or the device. + */ +enum au1300_multifunc_pins { + /* wake-from-str pins 0-3 */ + AU1300_PIN_WAKE0 = 0, AU1300_PIN_WAKE1, AU1300_PIN_WAKE2, + AU1300_PIN_WAKE3, + /* external clock sources for PSCs: 4-5 */ + AU1300_PIN_EXTCLK0, AU1300_PIN_EXTCLK1, + /* 8bit MMC interface on SD0: 6-9 */ + AU1300_PIN_SD0DAT4, AU1300_PIN_SD0DAT5, AU1300_PIN_SD0DAT6, + AU1300_PIN_SD0DAT7, + /* aux clk input for freqgen 3: 10 */ + AU1300_PIN_FG3AUX, + /* UART1 pins: 11-18 */ + AU1300_PIN_U1RI, AU1300_PIN_U1DCD, AU1300_PIN_U1DSR, + AU1300_PIN_U1CTS, AU1300_PIN_U1RTS, AU1300_PIN_U1DTR, + AU1300_PIN_U1RX, AU1300_PIN_U1TX, + /* UART0 pins: 19-24 */ + AU1300_PIN_U0RI, AU1300_PIN_U0DCD, AU1300_PIN_U0DSR, + AU1300_PIN_U0CTS, AU1300_PIN_U0RTS, AU1300_PIN_U0DTR, + /* UART2: 25-26 */ + AU1300_PIN_U2RX, AU1300_PIN_U2TX, + /* UART3: 27-28 */ + AU1300_PIN_U3RX, AU1300_PIN_U3TX, + /* LCD controller PWMs, ext pixclock: 29-31 */ + AU1300_PIN_LCDPWM0, AU1300_PIN_LCDPWM1, AU1300_PIN_LCDCLKIN, + /* SD1 interface: 32-37 */ + AU1300_PIN_SD1DAT0, AU1300_PIN_SD1DAT1, AU1300_PIN_SD1DAT2, + AU1300_PIN_SD1DAT3, AU1300_PIN_SD1CMD, AU1300_PIN_SD1CLK, + /* SD2 interface: 38-43 */ + AU1300_PIN_SD2DAT0, AU1300_PIN_SD2DAT1, AU1300_PIN_SD2DAT2, + AU1300_PIN_SD2DAT3, AU1300_PIN_SD2CMD, AU1300_PIN_SD2CLK, + /* PSC0/1 clocks: 44-45 */ + AU1300_PIN_PSC0CLK, AU1300_PIN_PSC1CLK, + /* PSCs: 46-49/50-53/54-57/58-61 */ + AU1300_PIN_PSC0SYNC0, AU1300_PIN_PSC0SYNC1, AU1300_PIN_PSC0D0, + AU1300_PIN_PSC0D1, + AU1300_PIN_PSC1SYNC0, AU1300_PIN_PSC1SYNC1, AU1300_PIN_PSC1D0, + AU1300_PIN_PSC1D1, + AU1300_PIN_PSC2SYNC0, AU1300_PIN_PSC2SYNC1, AU1300_PIN_PSC2D0, + AU1300_PIN_PSC2D1, + AU1300_PIN_PSC3SYNC0, AU1300_PIN_PSC3SYNC1, AU1300_PIN_PSC3D0, + AU1300_PIN_PSC3D1, + /* PCMCIA interface: 62-70 */ + AU1300_PIN_PCE2, AU1300_PIN_PCE1, AU1300_PIN_PIOS16, + AU1300_PIN_PIOR, AU1300_PIN_PWE, AU1300_PIN_PWAIT, + AU1300_PIN_PREG, AU1300_PIN_POE, AU1300_PIN_PIOW, + /* camera interface H/V sync inputs: 71-72 */ + AU1300_PIN_CIMLS, AU1300_PIN_CIMFS, + /* PSC2/3 clocks: 73-74 */ + AU1300_PIN_PSC2CLK, AU1300_PIN_PSC3CLK, +}; + +/* GPIC (Au1300) pin management: arch/mips/alchemy/common/gpioint.c */ +extern void au1300_pinfunc_to_gpio(enum au1300_multifunc_pins gpio); +extern void au1300_pinfunc_to_dev(enum au1300_multifunc_pins gpio); +extern void au1300_set_irq_priority(unsigned int irq, int p); +extern void au1300_set_dbdma_gpio(int dchan, unsigned int gpio); + +/* Au1300 allows to disconnect certain blocks from internal power supply */ +enum au1300_vss_block { + AU1300_VSS_MPE = 0, + AU1300_VSS_BSA, + AU1300_VSS_GPE, + AU1300_VSS_MGP, +}; + +extern void au1300_vss_block_control(int block, int enable); + +enum soc_au1000_ints { + AU1000_FIRST_INT = AU1000_INTC0_INT_BASE, + AU1000_UART0_INT = AU1000_FIRST_INT, + AU1000_UART1_INT, + AU1000_UART2_INT, + AU1000_UART3_INT, + AU1000_SSI0_INT, + AU1000_SSI1_INT, + AU1000_DMA_INT_BASE, + + AU1000_TOY_INT = AU1000_FIRST_INT + 14, + AU1000_TOY_MATCH0_INT, + AU1000_TOY_MATCH1_INT, + AU1000_TOY_MATCH2_INT, + AU1000_RTC_INT, + AU1000_RTC_MATCH0_INT, + AU1000_RTC_MATCH1_INT, + AU1000_RTC_MATCH2_INT, + AU1000_IRDA_TX_INT, + AU1000_IRDA_RX_INT, + AU1000_USB_DEV_REQ_INT, + AU1000_USB_DEV_SUS_INT, + AU1000_USB_HOST_INT, + AU1000_ACSYNC_INT, + AU1000_MAC0_DMA_INT, + AU1000_MAC1_DMA_INT, + AU1000_I2S_UO_INT, + AU1000_AC97C_INT, + AU1000_GPIO0_INT, + AU1000_GPIO1_INT, + AU1000_GPIO2_INT, + AU1000_GPIO3_INT, + AU1000_GPIO4_INT, + AU1000_GPIO5_INT, + AU1000_GPIO6_INT, + AU1000_GPIO7_INT, + AU1000_GPIO8_INT, + AU1000_GPIO9_INT, + AU1000_GPIO10_INT, + AU1000_GPIO11_INT, + AU1000_GPIO12_INT, + AU1000_GPIO13_INT, + AU1000_GPIO14_INT, + AU1000_GPIO15_INT, + AU1000_GPIO16_INT, + AU1000_GPIO17_INT, + AU1000_GPIO18_INT, + AU1000_GPIO19_INT, + AU1000_GPIO20_INT, + AU1000_GPIO21_INT, + AU1000_GPIO22_INT, + AU1000_GPIO23_INT, + AU1000_GPIO24_INT, + AU1000_GPIO25_INT, + AU1000_GPIO26_INT, + AU1000_GPIO27_INT, + AU1000_GPIO28_INT, + AU1000_GPIO29_INT, + AU1000_GPIO30_INT, + AU1000_GPIO31_INT, +}; + +enum soc_au1100_ints { + AU1100_FIRST_INT = AU1000_INTC0_INT_BASE, + AU1100_UART0_INT = AU1100_FIRST_INT, + AU1100_UART1_INT, + AU1100_SD_INT, + AU1100_UART3_INT, + AU1100_SSI0_INT, + AU1100_SSI1_INT, + AU1100_DMA_INT_BASE, + + AU1100_TOY_INT = AU1100_FIRST_INT + 14, + AU1100_TOY_MATCH0_INT, + AU1100_TOY_MATCH1_INT, + AU1100_TOY_MATCH2_INT, + AU1100_RTC_INT, + AU1100_RTC_MATCH0_INT, + AU1100_RTC_MATCH1_INT, + AU1100_RTC_MATCH2_INT, + AU1100_IRDA_TX_INT, + AU1100_IRDA_RX_INT, + AU1100_USB_DEV_REQ_INT, + AU1100_USB_DEV_SUS_INT, + AU1100_USB_HOST_INT, + AU1100_ACSYNC_INT, + AU1100_MAC0_DMA_INT, + AU1100_GPIO208_215_INT, + AU1100_LCD_INT, + AU1100_AC97C_INT, + AU1100_GPIO0_INT, + AU1100_GPIO1_INT, + AU1100_GPIO2_INT, + AU1100_GPIO3_INT, + AU1100_GPIO4_INT, + AU1100_GPIO5_INT, + AU1100_GPIO6_INT, + AU1100_GPIO7_INT, + AU1100_GPIO8_INT, + AU1100_GPIO9_INT, + AU1100_GPIO10_INT, + AU1100_GPIO11_INT, + AU1100_GPIO12_INT, + AU1100_GPIO13_INT, + AU1100_GPIO14_INT, + AU1100_GPIO15_INT, + AU1100_GPIO16_INT, + AU1100_GPIO17_INT, + AU1100_GPIO18_INT, + AU1100_GPIO19_INT, + AU1100_GPIO20_INT, + AU1100_GPIO21_INT, + AU1100_GPIO22_INT, + AU1100_GPIO23_INT, + AU1100_GPIO24_INT, + AU1100_GPIO25_INT, + AU1100_GPIO26_INT, + AU1100_GPIO27_INT, + AU1100_GPIO28_INT, + AU1100_GPIO29_INT, + AU1100_GPIO30_INT, + AU1100_GPIO31_INT, +}; + +enum soc_au1500_ints { + AU1500_FIRST_INT = AU1000_INTC0_INT_BASE, + AU1500_UART0_INT = AU1500_FIRST_INT, + AU1500_PCI_INTA, + AU1500_PCI_INTB, + AU1500_UART3_INT, + AU1500_PCI_INTC, + AU1500_PCI_INTD, + AU1500_DMA_INT_BASE, + + AU1500_TOY_INT = AU1500_FIRST_INT + 14, + AU1500_TOY_MATCH0_INT, + AU1500_TOY_MATCH1_INT, + AU1500_TOY_MATCH2_INT, + AU1500_RTC_INT, + AU1500_RTC_MATCH0_INT, + AU1500_RTC_MATCH1_INT, + AU1500_RTC_MATCH2_INT, + AU1500_PCI_ERR_INT, + AU1500_RESERVED_INT, + AU1500_USB_DEV_REQ_INT, + AU1500_USB_DEV_SUS_INT, + AU1500_USB_HOST_INT, + AU1500_ACSYNC_INT, + AU1500_MAC0_DMA_INT, + AU1500_MAC1_DMA_INT, + AU1500_AC97C_INT = AU1500_FIRST_INT + 31, + AU1500_GPIO0_INT, + AU1500_GPIO1_INT, + AU1500_GPIO2_INT, + AU1500_GPIO3_INT, + AU1500_GPIO4_INT, + AU1500_GPIO5_INT, + AU1500_GPIO6_INT, + AU1500_GPIO7_INT, + AU1500_GPIO8_INT, + AU1500_GPIO9_INT, + AU1500_GPIO10_INT, + AU1500_GPIO11_INT, + AU1500_GPIO12_INT, + AU1500_GPIO13_INT, + AU1500_GPIO14_INT, + AU1500_GPIO15_INT, + AU1500_GPIO200_INT, + AU1500_GPIO201_INT, + AU1500_GPIO202_INT, + AU1500_GPIO203_INT, + AU1500_GPIO20_INT, + AU1500_GPIO204_INT, + AU1500_GPIO205_INT, + AU1500_GPIO23_INT, + AU1500_GPIO24_INT, + AU1500_GPIO25_INT, + AU1500_GPIO26_INT, + AU1500_GPIO27_INT, + AU1500_GPIO28_INT, + AU1500_GPIO206_INT, + AU1500_GPIO207_INT, + AU1500_GPIO208_215_INT, +}; + +enum soc_au1550_ints { + AU1550_FIRST_INT = AU1000_INTC0_INT_BASE, + AU1550_UART0_INT = AU1550_FIRST_INT, + AU1550_PCI_INTA, + AU1550_PCI_INTB, + AU1550_DDMA_INT, + AU1550_CRYPTO_INT, + AU1550_PCI_INTC, + AU1550_PCI_INTD, + AU1550_PCI_RST_INT, + AU1550_UART1_INT, + AU1550_UART3_INT, + AU1550_PSC0_INT, + AU1550_PSC1_INT, + AU1550_PSC2_INT, + AU1550_PSC3_INT, + AU1550_TOY_INT, + AU1550_TOY_MATCH0_INT, + AU1550_TOY_MATCH1_INT, + AU1550_TOY_MATCH2_INT, + AU1550_RTC_INT, + AU1550_RTC_MATCH0_INT, + AU1550_RTC_MATCH1_INT, + AU1550_RTC_MATCH2_INT, + + AU1550_NAND_INT = AU1550_FIRST_INT + 23, + AU1550_USB_DEV_REQ_INT, + AU1550_USB_DEV_SUS_INT, + AU1550_USB_HOST_INT, + AU1550_MAC0_DMA_INT, + AU1550_MAC1_DMA_INT, + AU1550_GPIO0_INT = AU1550_FIRST_INT + 32, + AU1550_GPIO1_INT, + AU1550_GPIO2_INT, + AU1550_GPIO3_INT, + AU1550_GPIO4_INT, + AU1550_GPIO5_INT, + AU1550_GPIO6_INT, + AU1550_GPIO7_INT, + AU1550_GPIO8_INT, + AU1550_GPIO9_INT, + AU1550_GPIO10_INT, + AU1550_GPIO11_INT, + AU1550_GPIO12_INT, + AU1550_GPIO13_INT, + AU1550_GPIO14_INT, + AU1550_GPIO15_INT, + AU1550_GPIO200_INT, + AU1550_GPIO201_205_INT, /* Logical or of GPIO201:205 */ + AU1550_GPIO16_INT, + AU1550_GPIO17_INT, + AU1550_GPIO20_INT, + AU1550_GPIO21_INT, + AU1550_GPIO22_INT, + AU1550_GPIO23_INT, + AU1550_GPIO24_INT, + AU1550_GPIO25_INT, + AU1550_GPIO26_INT, + AU1550_GPIO27_INT, + AU1550_GPIO28_INT, + AU1550_GPIO206_INT, + AU1550_GPIO207_INT, + AU1550_GPIO208_215_INT, /* Logical or of GPIO208:215 */ +}; + +enum soc_au1200_ints { + AU1200_FIRST_INT = AU1000_INTC0_INT_BASE, + AU1200_UART0_INT = AU1200_FIRST_INT, + AU1200_SWT_INT, + AU1200_SD_INT, + AU1200_DDMA_INT, + AU1200_MAE_BE_INT, + AU1200_GPIO200_INT, + AU1200_GPIO201_INT, + AU1200_GPIO202_INT, + AU1200_UART1_INT, + AU1200_MAE_FE_INT, + AU1200_PSC0_INT, + AU1200_PSC1_INT, + AU1200_AES_INT, + AU1200_CAMERA_INT, + AU1200_TOY_INT, + AU1200_TOY_MATCH0_INT, + AU1200_TOY_MATCH1_INT, + AU1200_TOY_MATCH2_INT, + AU1200_RTC_INT, + AU1200_RTC_MATCH0_INT, + AU1200_RTC_MATCH1_INT, + AU1200_RTC_MATCH2_INT, + AU1200_GPIO203_INT, + AU1200_NAND_INT, + AU1200_GPIO204_INT, + AU1200_GPIO205_INT, + AU1200_GPIO206_INT, + AU1200_GPIO207_INT, + AU1200_GPIO208_215_INT, /* Logical OR of 208:215 */ + AU1200_USB_INT, + AU1200_LCD_INT, + AU1200_MAE_BOTH_INT, + AU1200_GPIO0_INT, + AU1200_GPIO1_INT, + AU1200_GPIO2_INT, + AU1200_GPIO3_INT, + AU1200_GPIO4_INT, + AU1200_GPIO5_INT, + AU1200_GPIO6_INT, + AU1200_GPIO7_INT, + AU1200_GPIO8_INT, + AU1200_GPIO9_INT, + AU1200_GPIO10_INT, + AU1200_GPIO11_INT, + AU1200_GPIO12_INT, + AU1200_GPIO13_INT, + AU1200_GPIO14_INT, + AU1200_GPIO15_INT, + AU1200_GPIO16_INT, + AU1200_GPIO17_INT, + AU1200_GPIO18_INT, + AU1200_GPIO19_INT, + AU1200_GPIO20_INT, + AU1200_GPIO21_INT, + AU1200_GPIO22_INT, + AU1200_GPIO23_INT, + AU1200_GPIO24_INT, + AU1200_GPIO25_INT, + AU1200_GPIO26_INT, + AU1200_GPIO27_INT, + AU1200_GPIO28_INT, + AU1200_GPIO29_INT, + AU1200_GPIO30_INT, + AU1200_GPIO31_INT, +}; + +#endif /* !defined (_LANGUAGE_ASSEMBLY) */ + +#endif diff --git a/arch/mips/include/asm/mach-au1x00/au1000_dma.h b/arch/mips/include/asm/mach-au1x00/au1000_dma.h new file mode 100644 index 000000000..0a0cd4270 --- /dev/null +++ b/arch/mips/include/asm/mach-au1x00/au1000_dma.h @@ -0,0 +1,453 @@ +/* + * BRIEF MODULE DESCRIPTION + * Defines for using and allocating DMA channels on the Alchemy + * Au1x00 MIPS processors. + * + * Copyright 2000, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ +#ifndef __ASM_AU1000_DMA_H +#define __ASM_AU1000_DMA_H + +#include <linux/io.h> /* need byte IO */ +#include <linux/spinlock.h> /* And spinlocks */ +#include <linux/delay.h> + +#define NUM_AU1000_DMA_CHANNELS 8 + +/* DMA Channel Register Offsets */ +#define DMA_MODE_SET 0x00000000 +#define DMA_MODE_READ DMA_MODE_SET +#define DMA_MODE_CLEAR 0x00000004 +/* DMA Mode register bits follow */ +#define DMA_DAH_MASK (0x0f << 20) +#define DMA_DID_BIT 16 +#define DMA_DID_MASK (0x0f << DMA_DID_BIT) +#define DMA_DS (1 << 15) +#define DMA_BE (1 << 13) +#define DMA_DR (1 << 12) +#define DMA_TS8 (1 << 11) +#define DMA_DW_BIT 9 +#define DMA_DW_MASK (0x03 << DMA_DW_BIT) +#define DMA_DW8 (0 << DMA_DW_BIT) +#define DMA_DW16 (1 << DMA_DW_BIT) +#define DMA_DW32 (2 << DMA_DW_BIT) +#define DMA_NC (1 << 8) +#define DMA_IE (1 << 7) +#define DMA_HALT (1 << 6) +#define DMA_GO (1 << 5) +#define DMA_AB (1 << 4) +#define DMA_D1 (1 << 3) +#define DMA_BE1 (1 << 2) +#define DMA_D0 (1 << 1) +#define DMA_BE0 (1 << 0) + +#define DMA_PERIPHERAL_ADDR 0x00000008 +#define DMA_BUFFER0_START 0x0000000C +#define DMA_BUFFER1_START 0x00000014 +#define DMA_BUFFER0_COUNT 0x00000010 +#define DMA_BUFFER1_COUNT 0x00000018 +#define DMA_BAH_BIT 16 +#define DMA_BAH_MASK (0x0f << DMA_BAH_BIT) +#define DMA_COUNT_BIT 0 +#define DMA_COUNT_MASK (0xffff << DMA_COUNT_BIT) + +/* DMA Device IDs follow */ +enum { + DMA_ID_UART0_TX = 0, + DMA_ID_UART0_RX, + DMA_ID_GP04, + DMA_ID_GP05, + DMA_ID_AC97C_TX, + DMA_ID_AC97C_RX, + DMA_ID_UART3_TX, + DMA_ID_UART3_RX, + DMA_ID_USBDEV_EP0_RX, + DMA_ID_USBDEV_EP0_TX, + DMA_ID_USBDEV_EP2_TX, + DMA_ID_USBDEV_EP3_TX, + DMA_ID_USBDEV_EP4_RX, + DMA_ID_USBDEV_EP5_RX, + DMA_ID_I2S_TX, + DMA_ID_I2S_RX, + DMA_NUM_DEV +}; + +/* DMA Device ID's for 2nd bank (AU1100) follow */ +enum { + DMA_ID_SD0_TX = 0, + DMA_ID_SD0_RX, + DMA_ID_SD1_TX, + DMA_ID_SD1_RX, + DMA_NUM_DEV_BANK2 +}; + +struct dma_chan { + int dev_id; /* this channel is allocated if >= 0, */ + /* free otherwise */ + void __iomem *io; + const char *dev_str; + int irq; + void *irq_dev; + unsigned int fifo_addr; + unsigned int mode; +}; + +/* These are in arch/mips/au1000/common/dma.c */ +extern struct dma_chan au1000_dma_table[]; +extern int request_au1000_dma(int dev_id, + const char *dev_str, + irq_handler_t irqhandler, + unsigned long irqflags, + void *irq_dev_id); +extern void free_au1000_dma(unsigned int dmanr); +extern int au1000_dma_read_proc(char *buf, char **start, off_t fpos, + int length, int *eof, void *data); +extern void dump_au1000_dma_channel(unsigned int dmanr); +extern spinlock_t au1000_dma_spin_lock; + +static inline struct dma_chan *get_dma_chan(unsigned int dmanr) +{ + if (dmanr >= NUM_AU1000_DMA_CHANNELS || + au1000_dma_table[dmanr].dev_id < 0) + return NULL; + return &au1000_dma_table[dmanr]; +} + +static inline unsigned long claim_dma_lock(void) +{ + unsigned long flags; + + spin_lock_irqsave(&au1000_dma_spin_lock, flags); + return flags; +} + +static inline void release_dma_lock(unsigned long flags) +{ + spin_unlock_irqrestore(&au1000_dma_spin_lock, flags); +} + +/* + * Set the DMA buffer enable bits in the mode register. + */ +static inline void enable_dma_buffer0(unsigned int dmanr) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return; + __raw_writel(DMA_BE0, chan->io + DMA_MODE_SET); +} + +static inline void enable_dma_buffer1(unsigned int dmanr) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return; + __raw_writel(DMA_BE1, chan->io + DMA_MODE_SET); +} +static inline void enable_dma_buffers(unsigned int dmanr) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return; + __raw_writel(DMA_BE0 | DMA_BE1, chan->io + DMA_MODE_SET); +} + +static inline void start_dma(unsigned int dmanr) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return; + __raw_writel(DMA_GO, chan->io + DMA_MODE_SET); +} + +#define DMA_HALT_POLL 0x5000 + +static inline void halt_dma(unsigned int dmanr) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + int i; + + if (!chan) + return; + __raw_writel(DMA_GO, chan->io + DMA_MODE_CLEAR); + + /* Poll the halt bit */ + for (i = 0; i < DMA_HALT_POLL; i++) + if (__raw_readl(chan->io + DMA_MODE_READ) & DMA_HALT) + break; + if (i == DMA_HALT_POLL) + printk(KERN_INFO "halt_dma: HALT poll expired!\n"); +} + +static inline void disable_dma(unsigned int dmanr) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return; + + halt_dma(dmanr); + + /* Now we can disable the buffers */ + __raw_writel(~DMA_GO, chan->io + DMA_MODE_CLEAR); +} + +static inline int dma_halted(unsigned int dmanr) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return 1; + return (__raw_readl(chan->io + DMA_MODE_READ) & DMA_HALT) ? 1 : 0; +} + +/* Initialize a DMA channel. */ +static inline void init_dma(unsigned int dmanr) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + u32 mode; + + if (!chan) + return; + + disable_dma(dmanr); + + /* Set device FIFO address */ + __raw_writel(CPHYSADDR(chan->fifo_addr), chan->io + DMA_PERIPHERAL_ADDR); + + mode = chan->mode | (chan->dev_id << DMA_DID_BIT); + if (chan->irq) + mode |= DMA_IE; + + __raw_writel(~mode, chan->io + DMA_MODE_CLEAR); + __raw_writel(mode, chan->io + DMA_MODE_SET); +} + +/* + * Set mode for a specific DMA channel + */ +static inline void set_dma_mode(unsigned int dmanr, unsigned int mode) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return; + /* + * set_dma_mode is only allowed to change endianess, direction, + * transfer size, device FIFO width, and coherency settings. + * Make sure anything else is masked off. + */ + mode &= (DMA_BE | DMA_DR | DMA_TS8 | DMA_DW_MASK | DMA_NC); + chan->mode &= ~(DMA_BE | DMA_DR | DMA_TS8 | DMA_DW_MASK | DMA_NC); + chan->mode |= mode; +} + +static inline unsigned int get_dma_mode(unsigned int dmanr) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return 0; + return chan->mode; +} + +static inline int get_dma_active_buffer(unsigned int dmanr) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return -1; + return (__raw_readl(chan->io + DMA_MODE_READ) & DMA_AB) ? 1 : 0; +} + +/* + * Set the device FIFO address for a specific DMA channel - only + * applicable to GPO4 and GPO5. All the other devices have fixed + * FIFO addresses. + */ +static inline void set_dma_fifo_addr(unsigned int dmanr, unsigned int a) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return; + + if (chan->mode & DMA_DS) /* second bank of device IDs */ + return; + + if (chan->dev_id != DMA_ID_GP04 && chan->dev_id != DMA_ID_GP05) + return; + + __raw_writel(CPHYSADDR(a), chan->io + DMA_PERIPHERAL_ADDR); +} + +/* + * Clear the DMA buffer done bits in the mode register. + */ +static inline void clear_dma_done0(unsigned int dmanr) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return; + __raw_writel(DMA_D0, chan->io + DMA_MODE_CLEAR); +} + +static inline void clear_dma_done1(unsigned int dmanr) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return; + __raw_writel(DMA_D1, chan->io + DMA_MODE_CLEAR); +} + +/* + * This does nothing - not applicable to Au1000 DMA. + */ +static inline void set_dma_page(unsigned int dmanr, char pagenr) +{ +} + +/* + * Set Buffer 0 transfer address for specific DMA channel. + */ +static inline void set_dma_addr0(unsigned int dmanr, unsigned int a) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return; + __raw_writel(a, chan->io + DMA_BUFFER0_START); +} + +/* + * Set Buffer 1 transfer address for specific DMA channel. + */ +static inline void set_dma_addr1(unsigned int dmanr, unsigned int a) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return; + __raw_writel(a, chan->io + DMA_BUFFER1_START); +} + + +/* + * Set Buffer 0 transfer size (max 64k) for a specific DMA channel. + */ +static inline void set_dma_count0(unsigned int dmanr, unsigned int count) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return; + count &= DMA_COUNT_MASK; + __raw_writel(count, chan->io + DMA_BUFFER0_COUNT); +} + +/* + * Set Buffer 1 transfer size (max 64k) for a specific DMA channel. + */ +static inline void set_dma_count1(unsigned int dmanr, unsigned int count) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return; + count &= DMA_COUNT_MASK; + __raw_writel(count, chan->io + DMA_BUFFER1_COUNT); +} + +/* + * Set both buffer transfer sizes (max 64k) for a specific DMA channel. + */ +static inline void set_dma_count(unsigned int dmanr, unsigned int count) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return; + count &= DMA_COUNT_MASK; + __raw_writel(count, chan->io + DMA_BUFFER0_COUNT); + __raw_writel(count, chan->io + DMA_BUFFER1_COUNT); +} + +/* + * Returns which buffer has its done bit set in the mode register. + * Returns -1 if neither or both done bits set. + */ +static inline unsigned int get_dma_buffer_done(unsigned int dmanr) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return 0; + return __raw_readl(chan->io + DMA_MODE_READ) & (DMA_D0 | DMA_D1); +} + + +/* + * Returns the DMA channel's Buffer Done IRQ number. + */ +static inline int get_dma_done_irq(unsigned int dmanr) +{ + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return -1; + return chan->irq; +} + +/* + * Get DMA residue count. Returns the number of _bytes_ left to transfer. + */ +static inline int get_dma_residue(unsigned int dmanr) +{ + int curBufCntReg, count; + struct dma_chan *chan = get_dma_chan(dmanr); + + if (!chan) + return 0; + + curBufCntReg = (__raw_readl(chan->io + DMA_MODE_READ) & DMA_AB) ? + DMA_BUFFER1_COUNT : DMA_BUFFER0_COUNT; + + count = __raw_readl(chan->io + curBufCntReg) & DMA_COUNT_MASK; + + if ((chan->mode & DMA_DW_MASK) == DMA_DW16) + count <<= 1; + else if ((chan->mode & DMA_DW_MASK) == DMA_DW32) + count <<= 2; + + return count; +} + +#endif /* __ASM_AU1000_DMA_H */ diff --git a/arch/mips/include/asm/mach-au1x00/au1100_mmc.h b/arch/mips/include/asm/mach-au1x00/au1100_mmc.h new file mode 100644 index 000000000..cadab91ce --- /dev/null +++ b/arch/mips/include/asm/mach-au1x00/au1100_mmc.h @@ -0,0 +1,210 @@ +/* + * BRIEF MODULE DESCRIPTION + * Defines for using the MMC/SD controllers on the + * Alchemy Au1100 mips processor. + * + * Copyright (c) 2003 Embedded Edge, LLC. + * Author: Embedded Edge, LLC. + * dan@embeddededge.com or tim@embeddededge.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ +/* + * AU1100 MMC/SD definitions. + * + * From "AMD Alchemy Solutions Au1100 Processor Data Book - Preliminary" + * June, 2003 + */ + +#ifndef __ASM_AU1100_MMC_H +#define __ASM_AU1100_MMC_H + +#include <linux/leds.h> + +struct au1xmmc_platform_data { + int(*cd_setup)(void *mmc_host, int on); + int(*card_inserted)(void *mmc_host); + int(*card_readonly)(void *mmc_host); + void(*set_power)(void *mmc_host, int state); + struct led_classdev *led; + unsigned long mask_host_caps; +}; + +#define SD0_BASE 0xB0600000 +#define SD1_BASE 0xB0680000 + + +/* + * Register offsets. + */ +#define SD_TXPORT (0x0000) +#define SD_RXPORT (0x0004) +#define SD_CONFIG (0x0008) +#define SD_ENABLE (0x000C) +#define SD_CONFIG2 (0x0010) +#define SD_BLKSIZE (0x0014) +#define SD_STATUS (0x0018) +#define SD_DEBUG (0x001C) +#define SD_CMD (0x0020) +#define SD_CMDARG (0x0024) +#define SD_RESP3 (0x0028) +#define SD_RESP2 (0x002C) +#define SD_RESP1 (0x0030) +#define SD_RESP0 (0x0034) +#define SD_TIMEOUT (0x0038) + + +/* + * SD_TXPORT bit definitions. + */ +#define SD_TXPORT_TXD (0x000000ff) + + +/* + * SD_RXPORT bit definitions. + */ +#define SD_RXPORT_RXD (0x000000ff) + + +/* + * SD_CONFIG bit definitions. + */ +#define SD_CONFIG_DIV (0x000001ff) +#define SD_CONFIG_DE (0x00000200) +#define SD_CONFIG_NE (0x00000400) +#define SD_CONFIG_TU (0x00000800) +#define SD_CONFIG_TO (0x00001000) +#define SD_CONFIG_RU (0x00002000) +#define SD_CONFIG_RO (0x00004000) +#define SD_CONFIG_I (0x00008000) +#define SD_CONFIG_CR (0x00010000) +#define SD_CONFIG_RAT (0x00020000) +#define SD_CONFIG_DD (0x00040000) +#define SD_CONFIG_DT (0x00080000) +#define SD_CONFIG_SC (0x00100000) +#define SD_CONFIG_RC (0x00200000) +#define SD_CONFIG_WC (0x00400000) +#define SD_CONFIG_xxx (0x00800000) +#define SD_CONFIG_TH (0x01000000) +#define SD_CONFIG_TE (0x02000000) +#define SD_CONFIG_TA (0x04000000) +#define SD_CONFIG_RH (0x08000000) +#define SD_CONFIG_RA (0x10000000) +#define SD_CONFIG_RF (0x20000000) +#define SD_CONFIG_CD (0x40000000) +#define SD_CONFIG_SI (0x80000000) + + +/* + * SD_ENABLE bit definitions. + */ +#define SD_ENABLE_CE (0x00000001) +#define SD_ENABLE_R (0x00000002) + + +/* + * SD_CONFIG2 bit definitions. + */ +#define SD_CONFIG2_EN (0x00000001) +#define SD_CONFIG2_FF (0x00000002) +#define SD_CONFIG2_xx1 (0x00000004) +#define SD_CONFIG2_DF (0x00000008) +#define SD_CONFIG2_DC (0x00000010) +#define SD_CONFIG2_xx2 (0x000000e0) +#define SD_CONFIG2_BB (0x00000080) +#define SD_CONFIG2_WB (0x00000100) +#define SD_CONFIG2_RW (0x00000200) +#define SD_CONFIG2_DP (0x00000400) + + +/* + * SD_BLKSIZE bit definitions. + */ +#define SD_BLKSIZE_BS (0x000007ff) +#define SD_BLKSIZE_BS_SHIFT (0) +#define SD_BLKSIZE_BC (0x01ff0000) +#define SD_BLKSIZE_BC_SHIFT (16) + + +/* + * SD_STATUS bit definitions. + */ +#define SD_STATUS_DCRCW (0x00000007) +#define SD_STATUS_xx1 (0x00000008) +#define SD_STATUS_CB (0x00000010) +#define SD_STATUS_DB (0x00000020) +#define SD_STATUS_CF (0x00000040) +#define SD_STATUS_D3 (0x00000080) +#define SD_STATUS_xx2 (0x00000300) +#define SD_STATUS_NE (0x00000400) +#define SD_STATUS_TU (0x00000800) +#define SD_STATUS_TO (0x00001000) +#define SD_STATUS_RU (0x00002000) +#define SD_STATUS_RO (0x00004000) +#define SD_STATUS_I (0x00008000) +#define SD_STATUS_CR (0x00010000) +#define SD_STATUS_RAT (0x00020000) +#define SD_STATUS_DD (0x00040000) +#define SD_STATUS_DT (0x00080000) +#define SD_STATUS_SC (0x00100000) +#define SD_STATUS_RC (0x00200000) +#define SD_STATUS_WC (0x00400000) +#define SD_STATUS_xx3 (0x00800000) +#define SD_STATUS_TH (0x01000000) +#define SD_STATUS_TE (0x02000000) +#define SD_STATUS_TA (0x04000000) +#define SD_STATUS_RH (0x08000000) +#define SD_STATUS_RA (0x10000000) +#define SD_STATUS_RF (0x20000000) +#define SD_STATUS_CD (0x40000000) +#define SD_STATUS_SI (0x80000000) + + +/* + * SD_CMD bit definitions. + */ +#define SD_CMD_GO (0x00000001) +#define SD_CMD_RY (0x00000002) +#define SD_CMD_xx1 (0x0000000c) +#define SD_CMD_CT_MASK (0x000000f0) +#define SD_CMD_CT_0 (0x00000000) +#define SD_CMD_CT_1 (0x00000010) +#define SD_CMD_CT_2 (0x00000020) +#define SD_CMD_CT_3 (0x00000030) +#define SD_CMD_CT_4 (0x00000040) +#define SD_CMD_CT_5 (0x00000050) +#define SD_CMD_CT_6 (0x00000060) +#define SD_CMD_CT_7 (0x00000070) +#define SD_CMD_CI (0x0000ff00) +#define SD_CMD_CI_SHIFT (8) +#define SD_CMD_RT_MASK (0x00ff0000) +#define SD_CMD_RT_0 (0x00000000) +#define SD_CMD_RT_1 (0x00010000) +#define SD_CMD_RT_2 (0x00020000) +#define SD_CMD_RT_3 (0x00030000) +#define SD_CMD_RT_4 (0x00040000) +#define SD_CMD_RT_5 (0x00050000) +#define SD_CMD_RT_6 (0x00060000) +#define SD_CMD_RT_1B (0x00810000) + + +#endif /* __ASM_AU1100_MMC_H */ diff --git a/arch/mips/include/asm/mach-au1x00/au1200fb.h b/arch/mips/include/asm/mach-au1x00/au1200fb.h new file mode 100644 index 000000000..e0e98f06c --- /dev/null +++ b/arch/mips/include/asm/mach-au1x00/au1200fb.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * platform data for au1200fb driver. + */ + +#ifndef _AU1200FB_PLAT_H_ +#define _AU1200FB_PLAT_H_ + +struct au1200fb_platdata { + int (*panel_index)(void); + int (*panel_init)(void); + int (*panel_shutdown)(void); +}; + +#endif diff --git a/arch/mips/include/asm/mach-au1x00/au1550_spi.h b/arch/mips/include/asm/mach-au1x00/au1550_spi.h new file mode 100644 index 000000000..fe6ca4606 --- /dev/null +++ b/arch/mips/include/asm/mach-au1x00/au1550_spi.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * au1550_spi.h - Au1550 PSC SPI controller driver - platform data structure + */ + +#ifndef _AU1550_SPI_H_ +#define _AU1550_SPI_H_ + +struct au1550_spi_info { + u32 mainclk_hz; /* main input clock frequency of PSC */ + u16 num_chipselect; /* number of chipselects supported */ + void (*activate_cs)(struct au1550_spi_info *spi, int cs, int polarity); + void (*deactivate_cs)(struct au1550_spi_info *spi, int cs, int polarity); +}; + +#endif diff --git a/arch/mips/include/asm/mach-au1x00/au1550nd.h b/arch/mips/include/asm/mach-au1x00/au1550nd.h new file mode 100644 index 000000000..d26dc1dad --- /dev/null +++ b/arch/mips/include/asm/mach-au1x00/au1550nd.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * platform data for the Au1550 NAND driver + */ + +#ifndef _AU1550ND_H_ +#define _AU1550ND_H_ + +#include <linux/mtd/partitions.h> + +struct au1550nd_platdata { + struct mtd_partition *parts; + int num_parts; + int devwidth; /* 0 = 8bit device, 1 = 16bit device */ +}; + +#endif diff --git a/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h b/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h new file mode 100644 index 000000000..456ddba15 --- /dev/null +++ b/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h @@ -0,0 +1,388 @@ +/* + * + * BRIEF MODULE DESCRIPTION + * Include file for Alchemy Semiconductor's Au1550 Descriptor + * Based DMA Controller. + * + * Copyright 2004 Embedded Edge, LLC + * dan@embeddededge.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/* + * Specifics for the Au1xxx Descriptor-Based DMA Controller, + * first seen in the AU1550 part. + */ +#ifndef _AU1000_DBDMA_H_ +#define _AU1000_DBDMA_H_ + +#ifndef _LANGUAGE_ASSEMBLY + +typedef volatile struct dbdma_global { + u32 ddma_config; + u32 ddma_intstat; + u32 ddma_throttle; + u32 ddma_inten; +} dbdma_global_t; + +/* General Configuration. */ +#define DDMA_CONFIG_AF (1 << 2) +#define DDMA_CONFIG_AH (1 << 1) +#define DDMA_CONFIG_AL (1 << 0) + +#define DDMA_THROTTLE_EN (1 << 31) + +/* The structure of a DMA Channel. */ +typedef volatile struct au1xxx_dma_channel { + u32 ddma_cfg; /* See below */ + u32 ddma_desptr; /* 32-byte aligned pointer to descriptor */ + u32 ddma_statptr; /* word aligned pointer to status word */ + u32 ddma_dbell; /* A write activates channel operation */ + u32 ddma_irq; /* If bit 0 set, interrupt pending */ + u32 ddma_stat; /* See below */ + u32 ddma_bytecnt; /* Byte count, valid only when chan idle */ + /* Remainder, up to the 256 byte boundary, is reserved. */ +} au1x_dma_chan_t; + +#define DDMA_CFG_SED (1 << 9) /* source DMA level/edge detect */ +#define DDMA_CFG_SP (1 << 8) /* source DMA polarity */ +#define DDMA_CFG_DED (1 << 7) /* destination DMA level/edge detect */ +#define DDMA_CFG_DP (1 << 6) /* destination DMA polarity */ +#define DDMA_CFG_SYNC (1 << 5) /* Sync static bus controller */ +#define DDMA_CFG_PPR (1 << 4) /* PCI posted read/write control */ +#define DDMA_CFG_DFN (1 << 3) /* Descriptor fetch non-coherent */ +#define DDMA_CFG_SBE (1 << 2) /* Source big endian */ +#define DDMA_CFG_DBE (1 << 1) /* Destination big endian */ +#define DDMA_CFG_EN (1 << 0) /* Channel enable */ + +/* + * Always set when descriptor processing done, regardless of + * interrupt enable state. Reflected in global intstat, don't + * clear this until global intstat is read/used. + */ +#define DDMA_IRQ_IN (1 << 0) + +#define DDMA_STAT_DB (1 << 2) /* Doorbell pushed */ +#define DDMA_STAT_V (1 << 1) /* Descriptor valid */ +#define DDMA_STAT_H (1 << 0) /* Channel Halted */ + +/* + * "Standard" DDMA Descriptor. + * Must be 32-byte aligned. + */ +typedef volatile struct au1xxx_ddma_desc { + u32 dscr_cmd0; /* See below */ + u32 dscr_cmd1; /* See below */ + u32 dscr_source0; /* source phys address */ + u32 dscr_source1; /* See below */ + u32 dscr_dest0; /* Destination address */ + u32 dscr_dest1; /* See below */ + u32 dscr_stat; /* completion status */ + u32 dscr_nxtptr; /* Next descriptor pointer (mostly) */ + /* + * First 32 bytes are HW specific!!! + * Let's have some SW data following -- make sure it's 32 bytes. + */ + u32 sw_status; + u32 sw_context; + u32 sw_reserved[6]; +} au1x_ddma_desc_t; + +#define DSCR_CMD0_V (1 << 31) /* Descriptor valid */ +#define DSCR_CMD0_MEM (1 << 30) /* mem-mem transfer */ +#define DSCR_CMD0_SID_MASK (0x1f << 25) /* Source ID */ +#define DSCR_CMD0_DID_MASK (0x1f << 20) /* Destination ID */ +#define DSCR_CMD0_SW_MASK (0x3 << 18) /* Source Width */ +#define DSCR_CMD0_DW_MASK (0x3 << 16) /* Destination Width */ +#define DSCR_CMD0_ARB (0x1 << 15) /* Set for Hi Pri */ +#define DSCR_CMD0_DT_MASK (0x3 << 13) /* Descriptor Type */ +#define DSCR_CMD0_SN (0x1 << 12) /* Source non-coherent */ +#define DSCR_CMD0_DN (0x1 << 11) /* Destination non-coherent */ +#define DSCR_CMD0_SM (0x1 << 10) /* Stride mode */ +#define DSCR_CMD0_IE (0x1 << 8) /* Interrupt Enable */ +#define DSCR_CMD0_SP (0x1 << 4) /* Status pointer select */ +#define DSCR_CMD0_CV (0x1 << 2) /* Clear Valid when done */ +#define DSCR_CMD0_ST_MASK (0x3 << 0) /* Status instruction */ + +#define SW_STATUS_INUSE (1 << 0) + +/* Command 0 device IDs. */ +#define AU1550_DSCR_CMD0_UART0_TX 0 +#define AU1550_DSCR_CMD0_UART0_RX 1 +#define AU1550_DSCR_CMD0_UART3_TX 2 +#define AU1550_DSCR_CMD0_UART3_RX 3 +#define AU1550_DSCR_CMD0_DMA_REQ0 4 +#define AU1550_DSCR_CMD0_DMA_REQ1 5 +#define AU1550_DSCR_CMD0_DMA_REQ2 6 +#define AU1550_DSCR_CMD0_DMA_REQ3 7 +#define AU1550_DSCR_CMD0_USBDEV_RX0 8 +#define AU1550_DSCR_CMD0_USBDEV_TX0 9 +#define AU1550_DSCR_CMD0_USBDEV_TX1 10 +#define AU1550_DSCR_CMD0_USBDEV_TX2 11 +#define AU1550_DSCR_CMD0_USBDEV_RX3 12 +#define AU1550_DSCR_CMD0_USBDEV_RX4 13 +#define AU1550_DSCR_CMD0_PSC0_TX 14 +#define AU1550_DSCR_CMD0_PSC0_RX 15 +#define AU1550_DSCR_CMD0_PSC1_TX 16 +#define AU1550_DSCR_CMD0_PSC1_RX 17 +#define AU1550_DSCR_CMD0_PSC2_TX 18 +#define AU1550_DSCR_CMD0_PSC2_RX 19 +#define AU1550_DSCR_CMD0_PSC3_TX 20 +#define AU1550_DSCR_CMD0_PSC3_RX 21 +#define AU1550_DSCR_CMD0_PCI_WRITE 22 +#define AU1550_DSCR_CMD0_NAND_FLASH 23 +#define AU1550_DSCR_CMD0_MAC0_RX 24 +#define AU1550_DSCR_CMD0_MAC0_TX 25 +#define AU1550_DSCR_CMD0_MAC1_RX 26 +#define AU1550_DSCR_CMD0_MAC1_TX 27 + +#define AU1200_DSCR_CMD0_UART0_TX 0 +#define AU1200_DSCR_CMD0_UART0_RX 1 +#define AU1200_DSCR_CMD0_UART1_TX 2 +#define AU1200_DSCR_CMD0_UART1_RX 3 +#define AU1200_DSCR_CMD0_DMA_REQ0 4 +#define AU1200_DSCR_CMD0_DMA_REQ1 5 +#define AU1200_DSCR_CMD0_MAE_BE 6 +#define AU1200_DSCR_CMD0_MAE_FE 7 +#define AU1200_DSCR_CMD0_SDMS_TX0 8 +#define AU1200_DSCR_CMD0_SDMS_RX0 9 +#define AU1200_DSCR_CMD0_SDMS_TX1 10 +#define AU1200_DSCR_CMD0_SDMS_RX1 11 +#define AU1200_DSCR_CMD0_AES_TX 13 +#define AU1200_DSCR_CMD0_AES_RX 12 +#define AU1200_DSCR_CMD0_PSC0_TX 14 +#define AU1200_DSCR_CMD0_PSC0_RX 15 +#define AU1200_DSCR_CMD0_PSC1_TX 16 +#define AU1200_DSCR_CMD0_PSC1_RX 17 +#define AU1200_DSCR_CMD0_CIM_RXA 18 +#define AU1200_DSCR_CMD0_CIM_RXB 19 +#define AU1200_DSCR_CMD0_CIM_RXC 20 +#define AU1200_DSCR_CMD0_MAE_BOTH 21 +#define AU1200_DSCR_CMD0_LCD 22 +#define AU1200_DSCR_CMD0_NAND_FLASH 23 +#define AU1200_DSCR_CMD0_PSC0_SYNC 24 +#define AU1200_DSCR_CMD0_PSC1_SYNC 25 +#define AU1200_DSCR_CMD0_CIM_SYNC 26 + +#define AU1300_DSCR_CMD0_UART0_TX 0 +#define AU1300_DSCR_CMD0_UART0_RX 1 +#define AU1300_DSCR_CMD0_UART1_TX 2 +#define AU1300_DSCR_CMD0_UART1_RX 3 +#define AU1300_DSCR_CMD0_UART2_TX 4 +#define AU1300_DSCR_CMD0_UART2_RX 5 +#define AU1300_DSCR_CMD0_UART3_TX 6 +#define AU1300_DSCR_CMD0_UART3_RX 7 +#define AU1300_DSCR_CMD0_SDMS_TX0 8 +#define AU1300_DSCR_CMD0_SDMS_RX0 9 +#define AU1300_DSCR_CMD0_SDMS_TX1 10 +#define AU1300_DSCR_CMD0_SDMS_RX1 11 +#define AU1300_DSCR_CMD0_AES_TX 12 +#define AU1300_DSCR_CMD0_AES_RX 13 +#define AU1300_DSCR_CMD0_PSC0_TX 14 +#define AU1300_DSCR_CMD0_PSC0_RX 15 +#define AU1300_DSCR_CMD0_PSC1_TX 16 +#define AU1300_DSCR_CMD0_PSC1_RX 17 +#define AU1300_DSCR_CMD0_PSC2_TX 18 +#define AU1300_DSCR_CMD0_PSC2_RX 19 +#define AU1300_DSCR_CMD0_PSC3_TX 20 +#define AU1300_DSCR_CMD0_PSC3_RX 21 +#define AU1300_DSCR_CMD0_LCD 22 +#define AU1300_DSCR_CMD0_NAND_FLASH 23 +#define AU1300_DSCR_CMD0_SDMS_TX2 24 +#define AU1300_DSCR_CMD0_SDMS_RX2 25 +#define AU1300_DSCR_CMD0_CIM_SYNC 26 +#define AU1300_DSCR_CMD0_UDMA 27 +#define AU1300_DSCR_CMD0_DMA_REQ0 28 +#define AU1300_DSCR_CMD0_DMA_REQ1 29 + +#define DSCR_CMD0_THROTTLE 30 +#define DSCR_CMD0_ALWAYS 31 +#define DSCR_NDEV_IDS 32 +/* This macro is used to find/create custom device types */ +#define DSCR_DEV2CUSTOM_ID(x, d) (((((x) & 0xFFFF) << 8) | 0x32000000) | \ + ((d) & 0xFF)) +#define DSCR_CUSTOM2DEV_ID(x) ((x) & 0xFF) + +#define DSCR_CMD0_SID(x) (((x) & 0x1f) << 25) +#define DSCR_CMD0_DID(x) (((x) & 0x1f) << 20) + +/* Source/Destination transfer width. */ +#define DSCR_CMD0_BYTE 0 +#define DSCR_CMD0_HALFWORD 1 +#define DSCR_CMD0_WORD 2 + +#define DSCR_CMD0_SW(x) (((x) & 0x3) << 18) +#define DSCR_CMD0_DW(x) (((x) & 0x3) << 16) + +/* DDMA Descriptor Type. */ +#define DSCR_CMD0_STANDARD 0 +#define DSCR_CMD0_LITERAL 1 +#define DSCR_CMD0_CMP_BRANCH 2 + +#define DSCR_CMD0_DT(x) (((x) & 0x3) << 13) + +/* Status Instruction. */ +#define DSCR_CMD0_ST_NOCHANGE 0 /* Don't change */ +#define DSCR_CMD0_ST_CURRENT 1 /* Write current status */ +#define DSCR_CMD0_ST_CMD0 2 /* Write cmd0 with V cleared */ +#define DSCR_CMD0_ST_BYTECNT 3 /* Write remaining byte count */ + +#define DSCR_CMD0_ST(x) (((x) & 0x3) << 0) + +/* Descriptor Command 1. */ +#define DSCR_CMD1_SUPTR_MASK (0xf << 28) /* upper 4 bits of src addr */ +#define DSCR_CMD1_DUPTR_MASK (0xf << 24) /* upper 4 bits of dest addr */ +#define DSCR_CMD1_FL_MASK (0x3 << 22) /* Flag bits */ +#define DSCR_CMD1_BC_MASK (0x3fffff) /* Byte count */ + +/* Flag description. */ +#define DSCR_CMD1_FL_MEM_STRIDE0 0 +#define DSCR_CMD1_FL_MEM_STRIDE1 1 +#define DSCR_CMD1_FL_MEM_STRIDE2 2 + +#define DSCR_CMD1_FL(x) (((x) & 0x3) << 22) + +/* Source1, 1-dimensional stride. */ +#define DSCR_SRC1_STS_MASK (3 << 30) /* Src xfer size */ +#define DSCR_SRC1_SAM_MASK (3 << 28) /* Src xfer movement */ +#define DSCR_SRC1_SB_MASK (0x3fff << 14) /* Block size */ +#define DSCR_SRC1_SB(x) (((x) & 0x3fff) << 14) +#define DSCR_SRC1_SS_MASK (0x3fff << 0) /* Stride */ +#define DSCR_SRC1_SS(x) (((x) & 0x3fff) << 0) + +/* Dest1, 1-dimensional stride. */ +#define DSCR_DEST1_DTS_MASK (3 << 30) /* Dest xfer size */ +#define DSCR_DEST1_DAM_MASK (3 << 28) /* Dest xfer movement */ +#define DSCR_DEST1_DB_MASK (0x3fff << 14) /* Block size */ +#define DSCR_DEST1_DB(x) (((x) & 0x3fff) << 14) +#define DSCR_DEST1_DS_MASK (0x3fff << 0) /* Stride */ +#define DSCR_DEST1_DS(x) (((x) & 0x3fff) << 0) + +#define DSCR_xTS_SIZE1 0 +#define DSCR_xTS_SIZE2 1 +#define DSCR_xTS_SIZE4 2 +#define DSCR_xTS_SIZE8 3 +#define DSCR_SRC1_STS(x) (((x) & 3) << 30) +#define DSCR_DEST1_DTS(x) (((x) & 3) << 30) + +#define DSCR_xAM_INCREMENT 0 +#define DSCR_xAM_DECREMENT 1 +#define DSCR_xAM_STATIC 2 +#define DSCR_xAM_BURST 3 +#define DSCR_SRC1_SAM(x) (((x) & 3) << 28) +#define DSCR_DEST1_DAM(x) (((x) & 3) << 28) + +/* The next descriptor pointer. */ +#define DSCR_NXTPTR_MASK (0x07ffffff) +#define DSCR_NXTPTR(x) ((x) >> 5) +#define DSCR_GET_NXTPTR(x) ((x) << 5) +#define DSCR_NXTPTR_MS (1 << 27) + +/* The number of DBDMA channels. */ +#define NUM_DBDMA_CHANS 16 + +/* + * DDMA API definitions + * FIXME: may not fit to this header file + */ +typedef struct dbdma_device_table { + u32 dev_id; + u32 dev_flags; + u32 dev_tsize; + u32 dev_devwidth; + u32 dev_physaddr; /* If FIFO */ + u32 dev_intlevel; + u32 dev_intpolarity; +} dbdev_tab_t; + + +typedef struct dbdma_chan_config { + spinlock_t lock; + + u32 chan_flags; + u32 chan_index; + dbdev_tab_t *chan_src; + dbdev_tab_t *chan_dest; + au1x_dma_chan_t *chan_ptr; + au1x_ddma_desc_t *chan_desc_base; + u32 cdb_membase; /* kmalloc base of above */ + au1x_ddma_desc_t *get_ptr, *put_ptr, *cur_ptr; + void *chan_callparam; + void (*chan_callback)(int, void *); +} chan_tab_t; + +#define DEV_FLAGS_INUSE (1 << 0) +#define DEV_FLAGS_ANYUSE (1 << 1) +#define DEV_FLAGS_OUT (1 << 2) +#define DEV_FLAGS_IN (1 << 3) +#define DEV_FLAGS_BURSTABLE (1 << 4) +#define DEV_FLAGS_SYNC (1 << 5) +/* end DDMA API definitions */ + +/* + * External functions for drivers to use. + * Use this to allocate a DBDMA channel. The device IDs are one of + * the DSCR_CMD0 devices IDs, which is usually redefined to a more + * meaningful name. The 'callback' is called during DMA completion + * interrupt. + */ +extern u32 au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, + void (*callback)(int, void *), + void *callparam); + +#define DBDMA_MEM_CHAN DSCR_CMD0_ALWAYS + +/* Set the device width of an in/out FIFO. */ +u32 au1xxx_dbdma_set_devwidth(u32 chanid, int bits); + +/* Allocate a ring of descriptors for DBDMA. */ +u32 au1xxx_dbdma_ring_alloc(u32 chanid, int entries); + +/* Put buffers on source/destination descriptors. */ +u32 au1xxx_dbdma_put_source(u32 chanid, dma_addr_t buf, int nbytes, u32 flags); +u32 au1xxx_dbdma_put_dest(u32 chanid, dma_addr_t buf, int nbytes, u32 flags); + +/* Get a buffer from the destination descriptor. */ +u32 au1xxx_dbdma_get_dest(u32 chanid, void **buf, int *nbytes); + +void au1xxx_dbdma_stop(u32 chanid); +void au1xxx_dbdma_start(u32 chanid); +void au1xxx_dbdma_reset(u32 chanid); +u32 au1xxx_get_dma_residue(u32 chanid); + +void au1xxx_dbdma_chan_free(u32 chanid); +void au1xxx_dbdma_dump(u32 chanid); + +u32 au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr); + +u32 au1xxx_ddma_add_device(dbdev_tab_t *dev); +extern void au1xxx_ddma_del_device(u32 devid); +void *au1xxx_ddma_get_nextptr_virt(au1x_ddma_desc_t *dp); + +/* + * Flags for the put_source/put_dest functions. + */ +#define DDMA_FLAGS_IE (1 << 0) +#define DDMA_FLAGS_NOIE (1 << 1) + +#endif /* _LANGUAGE_ASSEMBLY */ +#endif /* _AU1000_DBDMA_H_ */ diff --git a/arch/mips/include/asm/mach-au1x00/au1xxx_eth.h b/arch/mips/include/asm/mach-au1x00/au1xxx_eth.h new file mode 100644 index 000000000..9d1c8d5ed --- /dev/null +++ b/arch/mips/include/asm/mach-au1x00/au1xxx_eth.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __AU1X00_ETH_DATA_H +#define __AU1X00_ETH_DATA_H + +/* Platform specific PHY configuration passed to the MAC driver */ +struct au1000_eth_platform_data { + int phy_static_config; + int phy_search_highest_addr; + int phy1_search_mac0; + int phy_addr; + int phy_busid; + int phy_irq; + char mac[6]; +}; + +void __init au1xxx_override_eth_cfg(unsigned port, + struct au1000_eth_platform_data *eth_data); + +#endif /* __AU1X00_ETH_DATA_H */ diff --git a/arch/mips/include/asm/mach-au1x00/au1xxx_psc.h b/arch/mips/include/asm/mach-au1x00/au1xxx_psc.h new file mode 100644 index 000000000..8a9cd754b --- /dev/null +++ b/arch/mips/include/asm/mach-au1x00/au1xxx_psc.h @@ -0,0 +1,466 @@ +/* + * + * BRIEF MODULE DESCRIPTION + * Include file for Alchemy Semiconductor's Au1k CPU. + * + * Copyright 2004 Embedded Edge, LLC + * dan@embeddededge.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/* Specifics for the Au1xxx Programmable Serial Controllers, first + * seen in the AU1550 part. + */ +#ifndef _AU1000_PSC_H_ +#define _AU1000_PSC_H_ + +/* + * The PSC select and control registers are common to all protocols. + */ +#define PSC_SEL_OFFSET 0x00000000 +#define PSC_CTRL_OFFSET 0x00000004 + +#define PSC_SEL_CLK_MASK (3 << 4) +#define PSC_SEL_CLK_INTCLK (0 << 4) +#define PSC_SEL_CLK_EXTCLK (1 << 4) +#define PSC_SEL_CLK_SERCLK (2 << 4) + +#define PSC_SEL_PS_MASK 0x00000007 +#define PSC_SEL_PS_DISABLED 0 +#define PSC_SEL_PS_SPIMODE 2 +#define PSC_SEL_PS_I2SMODE 3 +#define PSC_SEL_PS_AC97MODE 4 +#define PSC_SEL_PS_SMBUSMODE 5 + +#define PSC_CTRL_DISABLE 0 +#define PSC_CTRL_SUSPEND 2 +#define PSC_CTRL_ENABLE 3 + +/* AC97 Registers. */ +#define PSC_AC97CFG_OFFSET 0x00000008 +#define PSC_AC97MSK_OFFSET 0x0000000c +#define PSC_AC97PCR_OFFSET 0x00000010 +#define PSC_AC97STAT_OFFSET 0x00000014 +#define PSC_AC97EVNT_OFFSET 0x00000018 +#define PSC_AC97TXRX_OFFSET 0x0000001c +#define PSC_AC97CDC_OFFSET 0x00000020 +#define PSC_AC97RST_OFFSET 0x00000024 +#define PSC_AC97GPO_OFFSET 0x00000028 +#define PSC_AC97GPI_OFFSET 0x0000002c + +/* AC97 Config Register. */ +#define PSC_AC97CFG_RT_MASK (3 << 30) +#define PSC_AC97CFG_RT_FIFO1 (0 << 30) +#define PSC_AC97CFG_RT_FIFO2 (1 << 30) +#define PSC_AC97CFG_RT_FIFO4 (2 << 30) +#define PSC_AC97CFG_RT_FIFO8 (3 << 30) + +#define PSC_AC97CFG_TT_MASK (3 << 28) +#define PSC_AC97CFG_TT_FIFO1 (0 << 28) +#define PSC_AC97CFG_TT_FIFO2 (1 << 28) +#define PSC_AC97CFG_TT_FIFO4 (2 << 28) +#define PSC_AC97CFG_TT_FIFO8 (3 << 28) + +#define PSC_AC97CFG_DD_DISABLE (1 << 27) +#define PSC_AC97CFG_DE_ENABLE (1 << 26) +#define PSC_AC97CFG_SE_ENABLE (1 << 25) + +#define PSC_AC97CFG_LEN_MASK (0xf << 21) +#define PSC_AC97CFG_TXSLOT_MASK (0x3ff << 11) +#define PSC_AC97CFG_RXSLOT_MASK (0x3ff << 1) +#define PSC_AC97CFG_GE_ENABLE (1) + +/* Enable slots 3-12. */ +#define PSC_AC97CFG_TXSLOT_ENA(x) (1 << (((x) - 3) + 11)) +#define PSC_AC97CFG_RXSLOT_ENA(x) (1 << (((x) - 3) + 1)) + +/* + * The word length equation is ((x) * 2) + 2, so choose 'x' appropriately. + * The only sensible numbers are 7, 9, or possibly 11. Nah, just do the + * arithmetic in the macro. + */ +#define PSC_AC97CFG_SET_LEN(x) (((((x) - 2) / 2) & 0xf) << 21) +#define PSC_AC97CFG_GET_LEN(x) (((((x) >> 21) & 0xf) * 2) + 2) + +/* AC97 Mask Register. */ +#define PSC_AC97MSK_GR (1 << 25) +#define PSC_AC97MSK_CD (1 << 24) +#define PSC_AC97MSK_RR (1 << 13) +#define PSC_AC97MSK_RO (1 << 12) +#define PSC_AC97MSK_RU (1 << 11) +#define PSC_AC97MSK_TR (1 << 10) +#define PSC_AC97MSK_TO (1 << 9) +#define PSC_AC97MSK_TU (1 << 8) +#define PSC_AC97MSK_RD (1 << 5) +#define PSC_AC97MSK_TD (1 << 4) +#define PSC_AC97MSK_ALLMASK (PSC_AC97MSK_GR | PSC_AC97MSK_CD | \ + PSC_AC97MSK_RR | PSC_AC97MSK_RO | \ + PSC_AC97MSK_RU | PSC_AC97MSK_TR | \ + PSC_AC97MSK_TO | PSC_AC97MSK_TU | \ + PSC_AC97MSK_RD | PSC_AC97MSK_TD) + +/* AC97 Protocol Control Register. */ +#define PSC_AC97PCR_RC (1 << 6) +#define PSC_AC97PCR_RP (1 << 5) +#define PSC_AC97PCR_RS (1 << 4) +#define PSC_AC97PCR_TC (1 << 2) +#define PSC_AC97PCR_TP (1 << 1) +#define PSC_AC97PCR_TS (1 << 0) + +/* AC97 Status register (read only). */ +#define PSC_AC97STAT_CB (1 << 26) +#define PSC_AC97STAT_CP (1 << 25) +#define PSC_AC97STAT_CR (1 << 24) +#define PSC_AC97STAT_RF (1 << 13) +#define PSC_AC97STAT_RE (1 << 12) +#define PSC_AC97STAT_RR (1 << 11) +#define PSC_AC97STAT_TF (1 << 10) +#define PSC_AC97STAT_TE (1 << 9) +#define PSC_AC97STAT_TR (1 << 8) +#define PSC_AC97STAT_RB (1 << 5) +#define PSC_AC97STAT_TB (1 << 4) +#define PSC_AC97STAT_DI (1 << 2) +#define PSC_AC97STAT_DR (1 << 1) +#define PSC_AC97STAT_SR (1 << 0) + +/* AC97 Event Register. */ +#define PSC_AC97EVNT_GR (1 << 25) +#define PSC_AC97EVNT_CD (1 << 24) +#define PSC_AC97EVNT_RR (1 << 13) +#define PSC_AC97EVNT_RO (1 << 12) +#define PSC_AC97EVNT_RU (1 << 11) +#define PSC_AC97EVNT_TR (1 << 10) +#define PSC_AC97EVNT_TO (1 << 9) +#define PSC_AC97EVNT_TU (1 << 8) +#define PSC_AC97EVNT_RD (1 << 5) +#define PSC_AC97EVNT_TD (1 << 4) + +/* CODEC Command Register. */ +#define PSC_AC97CDC_RD (1 << 25) +#define PSC_AC97CDC_ID_MASK (3 << 23) +#define PSC_AC97CDC_INDX_MASK (0x7f << 16) +#define PSC_AC97CDC_ID(x) (((x) & 0x03) << 23) +#define PSC_AC97CDC_INDX(x) (((x) & 0x7f) << 16) + +/* AC97 Reset Control Register. */ +#define PSC_AC97RST_RST (1 << 1) +#define PSC_AC97RST_SNC (1 << 0) + +/* PSC in I2S Mode. */ +typedef struct psc_i2s { + u32 psc_sel; + u32 psc_ctrl; + u32 psc_i2scfg; + u32 psc_i2smsk; + u32 psc_i2spcr; + u32 psc_i2sstat; + u32 psc_i2sevent; + u32 psc_i2stxrx; + u32 psc_i2sudf; +} psc_i2s_t; + +#define PSC_I2SCFG_OFFSET 0x08 +#define PSC_I2SMASK_OFFSET 0x0C +#define PSC_I2SPCR_OFFSET 0x10 +#define PSC_I2SSTAT_OFFSET 0x14 +#define PSC_I2SEVENT_OFFSET 0x18 +#define PSC_I2SRXTX_OFFSET 0x1C +#define PSC_I2SUDF_OFFSET 0x20 + +/* I2S Config Register. */ +#define PSC_I2SCFG_RT_MASK (3 << 30) +#define PSC_I2SCFG_RT_FIFO1 (0 << 30) +#define PSC_I2SCFG_RT_FIFO2 (1 << 30) +#define PSC_I2SCFG_RT_FIFO4 (2 << 30) +#define PSC_I2SCFG_RT_FIFO8 (3 << 30) + +#define PSC_I2SCFG_TT_MASK (3 << 28) +#define PSC_I2SCFG_TT_FIFO1 (0 << 28) +#define PSC_I2SCFG_TT_FIFO2 (1 << 28) +#define PSC_I2SCFG_TT_FIFO4 (2 << 28) +#define PSC_I2SCFG_TT_FIFO8 (3 << 28) + +#define PSC_I2SCFG_DD_DISABLE (1 << 27) +#define PSC_I2SCFG_DE_ENABLE (1 << 26) +#define PSC_I2SCFG_SET_WS(x) (((((x) / 2) - 1) & 0x7f) << 16) +#define PSC_I2SCFG_WS(n) ((n & 0xFF) << 16) +#define PSC_I2SCFG_WS_MASK (PSC_I2SCFG_WS(0x3F)) +#define PSC_I2SCFG_WI (1 << 15) + +#define PSC_I2SCFG_DIV_MASK (3 << 13) +#define PSC_I2SCFG_DIV2 (0 << 13) +#define PSC_I2SCFG_DIV4 (1 << 13) +#define PSC_I2SCFG_DIV8 (2 << 13) +#define PSC_I2SCFG_DIV16 (3 << 13) + +#define PSC_I2SCFG_BI (1 << 12) +#define PSC_I2SCFG_BUF (1 << 11) +#define PSC_I2SCFG_MLJ (1 << 10) +#define PSC_I2SCFG_XM (1 << 9) + +/* The word length equation is simply LEN+1. */ +#define PSC_I2SCFG_SET_LEN(x) ((((x) - 1) & 0x1f) << 4) +#define PSC_I2SCFG_GET_LEN(x) ((((x) >> 4) & 0x1f) + 1) + +#define PSC_I2SCFG_LB (1 << 2) +#define PSC_I2SCFG_MLF (1 << 1) +#define PSC_I2SCFG_MS (1 << 0) + +/* I2S Mask Register. */ +#define PSC_I2SMSK_RR (1 << 13) +#define PSC_I2SMSK_RO (1 << 12) +#define PSC_I2SMSK_RU (1 << 11) +#define PSC_I2SMSK_TR (1 << 10) +#define PSC_I2SMSK_TO (1 << 9) +#define PSC_I2SMSK_TU (1 << 8) +#define PSC_I2SMSK_RD (1 << 5) +#define PSC_I2SMSK_TD (1 << 4) +#define PSC_I2SMSK_ALLMASK (PSC_I2SMSK_RR | PSC_I2SMSK_RO | \ + PSC_I2SMSK_RU | PSC_I2SMSK_TR | \ + PSC_I2SMSK_TO | PSC_I2SMSK_TU | \ + PSC_I2SMSK_RD | PSC_I2SMSK_TD) + +/* I2S Protocol Control Register. */ +#define PSC_I2SPCR_RC (1 << 6) +#define PSC_I2SPCR_RP (1 << 5) +#define PSC_I2SPCR_RS (1 << 4) +#define PSC_I2SPCR_TC (1 << 2) +#define PSC_I2SPCR_TP (1 << 1) +#define PSC_I2SPCR_TS (1 << 0) + +/* I2S Status register (read only). */ +#define PSC_I2SSTAT_RF (1 << 13) +#define PSC_I2SSTAT_RE (1 << 12) +#define PSC_I2SSTAT_RR (1 << 11) +#define PSC_I2SSTAT_TF (1 << 10) +#define PSC_I2SSTAT_TE (1 << 9) +#define PSC_I2SSTAT_TR (1 << 8) +#define PSC_I2SSTAT_RB (1 << 5) +#define PSC_I2SSTAT_TB (1 << 4) +#define PSC_I2SSTAT_DI (1 << 2) +#define PSC_I2SSTAT_DR (1 << 1) +#define PSC_I2SSTAT_SR (1 << 0) + +/* I2S Event Register. */ +#define PSC_I2SEVNT_RR (1 << 13) +#define PSC_I2SEVNT_RO (1 << 12) +#define PSC_I2SEVNT_RU (1 << 11) +#define PSC_I2SEVNT_TR (1 << 10) +#define PSC_I2SEVNT_TO (1 << 9) +#define PSC_I2SEVNT_TU (1 << 8) +#define PSC_I2SEVNT_RD (1 << 5) +#define PSC_I2SEVNT_TD (1 << 4) + +/* PSC in SPI Mode. */ +typedef struct psc_spi { + u32 psc_sel; + u32 psc_ctrl; + u32 psc_spicfg; + u32 psc_spimsk; + u32 psc_spipcr; + u32 psc_spistat; + u32 psc_spievent; + u32 psc_spitxrx; +} psc_spi_t; + +/* SPI Config Register. */ +#define PSC_SPICFG_RT_MASK (3 << 30) +#define PSC_SPICFG_RT_FIFO1 (0 << 30) +#define PSC_SPICFG_RT_FIFO2 (1 << 30) +#define PSC_SPICFG_RT_FIFO4 (2 << 30) +#define PSC_SPICFG_RT_FIFO8 (3 << 30) + +#define PSC_SPICFG_TT_MASK (3 << 28) +#define PSC_SPICFG_TT_FIFO1 (0 << 28) +#define PSC_SPICFG_TT_FIFO2 (1 << 28) +#define PSC_SPICFG_TT_FIFO4 (2 << 28) +#define PSC_SPICFG_TT_FIFO8 (3 << 28) + +#define PSC_SPICFG_DD_DISABLE (1 << 27) +#define PSC_SPICFG_DE_ENABLE (1 << 26) +#define PSC_SPICFG_CLR_BAUD(x) ((x) & ~((0x3f) << 15)) +#define PSC_SPICFG_SET_BAUD(x) (((x) & 0x3f) << 15) + +#define PSC_SPICFG_SET_DIV(x) (((x) & 0x03) << 13) +#define PSC_SPICFG_DIV2 0 +#define PSC_SPICFG_DIV4 1 +#define PSC_SPICFG_DIV8 2 +#define PSC_SPICFG_DIV16 3 + +#define PSC_SPICFG_BI (1 << 12) +#define PSC_SPICFG_PSE (1 << 11) +#define PSC_SPICFG_CGE (1 << 10) +#define PSC_SPICFG_CDE (1 << 9) + +#define PSC_SPICFG_CLR_LEN(x) ((x) & ~((0x1f) << 4)) +#define PSC_SPICFG_SET_LEN(x) (((x-1) & 0x1f) << 4) + +#define PSC_SPICFG_LB (1 << 3) +#define PSC_SPICFG_MLF (1 << 1) +#define PSC_SPICFG_MO (1 << 0) + +/* SPI Mask Register. */ +#define PSC_SPIMSK_MM (1 << 16) +#define PSC_SPIMSK_RR (1 << 13) +#define PSC_SPIMSK_RO (1 << 12) +#define PSC_SPIMSK_RU (1 << 11) +#define PSC_SPIMSK_TR (1 << 10) +#define PSC_SPIMSK_TO (1 << 9) +#define PSC_SPIMSK_TU (1 << 8) +#define PSC_SPIMSK_SD (1 << 5) +#define PSC_SPIMSK_MD (1 << 4) +#define PSC_SPIMSK_ALLMASK (PSC_SPIMSK_MM | PSC_SPIMSK_RR | \ + PSC_SPIMSK_RO | PSC_SPIMSK_TO | \ + PSC_SPIMSK_TU | PSC_SPIMSK_SD | \ + PSC_SPIMSK_MD) + +/* SPI Protocol Control Register. */ +#define PSC_SPIPCR_RC (1 << 6) +#define PSC_SPIPCR_SP (1 << 5) +#define PSC_SPIPCR_SS (1 << 4) +#define PSC_SPIPCR_TC (1 << 2) +#define PSC_SPIPCR_MS (1 << 0) + +/* SPI Status register (read only). */ +#define PSC_SPISTAT_RF (1 << 13) +#define PSC_SPISTAT_RE (1 << 12) +#define PSC_SPISTAT_RR (1 << 11) +#define PSC_SPISTAT_TF (1 << 10) +#define PSC_SPISTAT_TE (1 << 9) +#define PSC_SPISTAT_TR (1 << 8) +#define PSC_SPISTAT_SB (1 << 5) +#define PSC_SPISTAT_MB (1 << 4) +#define PSC_SPISTAT_DI (1 << 2) +#define PSC_SPISTAT_DR (1 << 1) +#define PSC_SPISTAT_SR (1 << 0) + +/* SPI Event Register. */ +#define PSC_SPIEVNT_MM (1 << 16) +#define PSC_SPIEVNT_RR (1 << 13) +#define PSC_SPIEVNT_RO (1 << 12) +#define PSC_SPIEVNT_RU (1 << 11) +#define PSC_SPIEVNT_TR (1 << 10) +#define PSC_SPIEVNT_TO (1 << 9) +#define PSC_SPIEVNT_TU (1 << 8) +#define PSC_SPIEVNT_SD (1 << 5) +#define PSC_SPIEVNT_MD (1 << 4) + +/* Transmit register control. */ +#define PSC_SPITXRX_LC (1 << 29) +#define PSC_SPITXRX_SR (1 << 28) + +/* SMBus Config Register. */ +#define PSC_SMBCFG_RT_MASK (3 << 30) +#define PSC_SMBCFG_RT_FIFO1 (0 << 30) +#define PSC_SMBCFG_RT_FIFO2 (1 << 30) +#define PSC_SMBCFG_RT_FIFO4 (2 << 30) +#define PSC_SMBCFG_RT_FIFO8 (3 << 30) + +#define PSC_SMBCFG_TT_MASK (3 << 28) +#define PSC_SMBCFG_TT_FIFO1 (0 << 28) +#define PSC_SMBCFG_TT_FIFO2 (1 << 28) +#define PSC_SMBCFG_TT_FIFO4 (2 << 28) +#define PSC_SMBCFG_TT_FIFO8 (3 << 28) + +#define PSC_SMBCFG_DD_DISABLE (1 << 27) +#define PSC_SMBCFG_DE_ENABLE (1 << 26) + +#define PSC_SMBCFG_SET_DIV(x) (((x) & 0x03) << 13) +#define PSC_SMBCFG_DIV2 0 +#define PSC_SMBCFG_DIV4 1 +#define PSC_SMBCFG_DIV8 2 +#define PSC_SMBCFG_DIV16 3 + +#define PSC_SMBCFG_GCE (1 << 9) +#define PSC_SMBCFG_SFM (1 << 8) + +#define PSC_SMBCFG_SET_SLV(x) (((x) & 0x7f) << 1) + +/* SMBus Mask Register. */ +#define PSC_SMBMSK_DN (1 << 30) +#define PSC_SMBMSK_AN (1 << 29) +#define PSC_SMBMSK_AL (1 << 28) +#define PSC_SMBMSK_RR (1 << 13) +#define PSC_SMBMSK_RO (1 << 12) +#define PSC_SMBMSK_RU (1 << 11) +#define PSC_SMBMSK_TR (1 << 10) +#define PSC_SMBMSK_TO (1 << 9) +#define PSC_SMBMSK_TU (1 << 8) +#define PSC_SMBMSK_SD (1 << 5) +#define PSC_SMBMSK_MD (1 << 4) +#define PSC_SMBMSK_ALLMASK (PSC_SMBMSK_DN | PSC_SMBMSK_AN | \ + PSC_SMBMSK_AL | PSC_SMBMSK_RR | \ + PSC_SMBMSK_RO | PSC_SMBMSK_TO | \ + PSC_SMBMSK_TU | PSC_SMBMSK_SD | \ + PSC_SMBMSK_MD) + +/* SMBus Protocol Control Register. */ +#define PSC_SMBPCR_DC (1 << 2) +#define PSC_SMBPCR_MS (1 << 0) + +/* SMBus Status register (read only). */ +#define PSC_SMBSTAT_BB (1 << 28) +#define PSC_SMBSTAT_RF (1 << 13) +#define PSC_SMBSTAT_RE (1 << 12) +#define PSC_SMBSTAT_RR (1 << 11) +#define PSC_SMBSTAT_TF (1 << 10) +#define PSC_SMBSTAT_TE (1 << 9) +#define PSC_SMBSTAT_TR (1 << 8) +#define PSC_SMBSTAT_SB (1 << 5) +#define PSC_SMBSTAT_MB (1 << 4) +#define PSC_SMBSTAT_DI (1 << 2) +#define PSC_SMBSTAT_DR (1 << 1) +#define PSC_SMBSTAT_SR (1 << 0) + +/* SMBus Event Register. */ +#define PSC_SMBEVNT_DN (1 << 30) +#define PSC_SMBEVNT_AN (1 << 29) +#define PSC_SMBEVNT_AL (1 << 28) +#define PSC_SMBEVNT_RR (1 << 13) +#define PSC_SMBEVNT_RO (1 << 12) +#define PSC_SMBEVNT_RU (1 << 11) +#define PSC_SMBEVNT_TR (1 << 10) +#define PSC_SMBEVNT_TO (1 << 9) +#define PSC_SMBEVNT_TU (1 << 8) +#define PSC_SMBEVNT_SD (1 << 5) +#define PSC_SMBEVNT_MD (1 << 4) +#define PSC_SMBEVNT_ALLCLR (PSC_SMBEVNT_DN | PSC_SMBEVNT_AN | \ + PSC_SMBEVNT_AL | PSC_SMBEVNT_RR | \ + PSC_SMBEVNT_RO | PSC_SMBEVNT_TO | \ + PSC_SMBEVNT_TU | PSC_SMBEVNT_SD | \ + PSC_SMBEVNT_MD) + +/* Transmit register control. */ +#define PSC_SMBTXRX_RSR (1 << 28) +#define PSC_SMBTXRX_STP (1 << 29) +#define PSC_SMBTXRX_DATAMASK 0xff + +/* SMBus protocol timers register. */ +#define PSC_SMBTMR_SET_TH(x) (((x) & 0x03) << 30) +#define PSC_SMBTMR_SET_PS(x) (((x) & 0x1f) << 25) +#define PSC_SMBTMR_SET_PU(x) (((x) & 0x1f) << 20) +#define PSC_SMBTMR_SET_SH(x) (((x) & 0x1f) << 15) +#define PSC_SMBTMR_SET_SU(x) (((x) & 0x1f) << 10) +#define PSC_SMBTMR_SET_CL(x) (((x) & 0x1f) << 5) +#define PSC_SMBTMR_SET_CH(x) (((x) & 0x1f) << 0) + +#endif /* _AU1000_PSC_H_ */ diff --git a/arch/mips/include/asm/mach-au1x00/cpu-feature-overrides.h b/arch/mips/include/asm/mach-au1x00/cpu-feature-overrides.h new file mode 100644 index 000000000..e6e527224 --- /dev/null +++ b/arch/mips/include/asm/mach-au1x00/cpu-feature-overrides.h @@ -0,0 +1,94 @@ +/* + * 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. + */ + +#ifndef __ASM_MACH_AU1X00_CPU_FEATURE_OVERRIDES_H +#define __ASM_MACH_AU1X00_CPU_FEATURE_OVERRIDES_H + +#define cpu_has_tlb 1 +#define cpu_has_ftlb 0 +#define cpu_has_tlbinv 0 +#define cpu_has_segments 0 +#define cpu_has_eva 0 +#define cpu_has_htw 0 +#define cpu_has_ldpte 0 +#define cpu_has_rixiex 0 +#define cpu_has_maar 0 +#define cpu_has_rw_llb 0 +#define cpu_has_3kex 0 +#define cpu_has_4kex 1 +#define cpu_has_3k_cache 0 +#define cpu_has_4k_cache 1 +#define cpu_has_tx39_cache 0 +#define cpu_has_fpu 0 +#define cpu_has_32fpr 0 +#define cpu_has_counter 1 +#define cpu_has_watch 1 +#define cpu_has_divec 1 +#define cpu_has_vce 0 +#define cpu_has_cache_cdex_p 0 +#define cpu_has_cache_cdex_s 0 +#define cpu_has_prefetch 1 +#define cpu_has_mcheck 1 +#define cpu_has_ejtag 1 +#define cpu_has_llsc 1 +#define cpu_has_guestctl0ext 0 +#define cpu_has_guestctl1 0 +#define cpu_has_guestctl2 0 +#define cpu_has_guestid 0 +#define cpu_has_drg 0 +#define cpu_has_mips16 0 +#define cpu_has_mips16e2 0 +#define cpu_has_mdmx 0 +#define cpu_has_mips3d 0 +#define cpu_has_smartmips 0 +#define cpu_has_rixi 0 +#define cpu_has_mmips 0 +#define cpu_has_lpa 0 +#define cpu_has_mhv 0 +#define cpu_has_vtag_icache 0 +#define cpu_has_dc_aliases 0 +#define cpu_has_ic_fills_f_dc 1 +#define cpu_has_pindexed_dcache 0 +#define cpu_has_mips32r1 1 +#define cpu_has_mips32r2 0 +#define cpu_has_mips32r6 0 +#define cpu_has_mips64r1 0 +#define cpu_has_mips64r2 0 +#define cpu_has_mips64r6 0 +#define cpu_has_dsp 0 +#define cpu_has_dsp2 0 +#define cpu_has_dsp3 0 +#define cpu_has_mipsmt 0 +#define cpu_has_vp 0 +#define cpu_has_userlocal 0 +#define cpu_has_nofpuex 0 +#define cpu_has_64bits 0 +#define cpu_has_64bit_zero_reg 0 +#define cpu_has_vint 0 +#define cpu_has_veic 0 +#define cpu_has_inclusive_pcaches 0 + +#define cpu_dcache_line_size() 32 +#define cpu_icache_line_size() 32 +#define cpu_scache_line_size() 0 +#define cpu_tcache_line_size() 0 + +#define cpu_has_perf_cntr_intr_bit 0 +#define cpu_has_vz 0 +#define cpu_has_msa 0 +#define cpu_has_ufr 0 +#define cpu_has_fre 0 +#define cpu_has_cdmm 0 +#define cpu_has_small_pages 0 +#define cpu_has_nan_legacy 1 +#define cpu_has_nan_2008 1 +#define cpu_has_ebase_wg 0 +#define cpu_has_badinstr 0 +#define cpu_has_badinstrp 0 +#define cpu_has_contextconfig 0 +#define cpu_has_perf 0 + +#endif /* __ASM_MACH_AU1X00_CPU_FEATURE_OVERRIDES_H */ diff --git a/arch/mips/include/asm/mach-au1x00/gpio-au1000.h b/arch/mips/include/asm/mach-au1x00/gpio-au1000.h new file mode 100644 index 000000000..adde1fa50 --- /dev/null +++ b/arch/mips/include/asm/mach-au1x00/gpio-au1000.h @@ -0,0 +1,532 @@ +/* + * GPIO functions for Au1000, Au1500, Au1100, Au1550, Au1200 + * + * Copyright (c) 2009 Manuel Lauss. + * + * Licensed under the terms outlined in the file COPYING. + */ + +#ifndef _ALCHEMY_GPIO_AU1000_H_ +#define _ALCHEMY_GPIO_AU1000_H_ + +#include <asm/mach-au1x00/au1000.h> + +/* The default GPIO numberspace as documented in the Alchemy manuals. + * GPIO0-31 from GPIO1 block, GPIO200-215 from GPIO2 block. + */ +#define ALCHEMY_GPIO1_BASE 0 +#define ALCHEMY_GPIO2_BASE 200 + +#define ALCHEMY_GPIO1_NUM 32 +#define ALCHEMY_GPIO2_NUM 16 +#define ALCHEMY_GPIO1_MAX (ALCHEMY_GPIO1_BASE + ALCHEMY_GPIO1_NUM - 1) +#define ALCHEMY_GPIO2_MAX (ALCHEMY_GPIO2_BASE + ALCHEMY_GPIO2_NUM - 1) + +#define MAKE_IRQ(intc, off) (AU1000_INTC##intc##_INT_BASE + (off)) + +/* GPIO1 registers within SYS_ area */ +#define AU1000_SYS_TRIOUTRD 0x100 +#define AU1000_SYS_TRIOUTCLR 0x100 +#define AU1000_SYS_OUTPUTRD 0x108 +#define AU1000_SYS_OUTPUTSET 0x108 +#define AU1000_SYS_OUTPUTCLR 0x10C +#define AU1000_SYS_PINSTATERD 0x110 +#define AU1000_SYS_PININPUTEN 0x110 + +/* register offsets within GPIO2 block */ +#define AU1000_GPIO2_DIR 0x00 +#define AU1000_GPIO2_OUTPUT 0x08 +#define AU1000_GPIO2_PINSTATE 0x0C +#define AU1000_GPIO2_INTENABLE 0x10 +#define AU1000_GPIO2_ENABLE 0x14 + +struct gpio; + +static inline int au1000_gpio1_to_irq(int gpio) +{ + return MAKE_IRQ(1, gpio - ALCHEMY_GPIO1_BASE); +} + +static inline int au1000_gpio2_to_irq(int gpio) +{ + return -ENXIO; +} + +static inline int au1000_irq_to_gpio(int irq) +{ + if ((irq >= AU1000_GPIO0_INT) && (irq <= AU1000_GPIO31_INT)) + return ALCHEMY_GPIO1_BASE + (irq - AU1000_GPIO0_INT) + 0; + + return -ENXIO; +} + +static inline int au1500_gpio1_to_irq(int gpio) +{ + gpio -= ALCHEMY_GPIO1_BASE; + + switch (gpio) { + case 0 ... 15: + case 20: + case 23 ... 28: return MAKE_IRQ(1, gpio); + } + + return -ENXIO; +} + +static inline int au1500_gpio2_to_irq(int gpio) +{ + gpio -= ALCHEMY_GPIO2_BASE; + + switch (gpio) { + case 0 ... 3: return MAKE_IRQ(1, 16 + gpio - 0); + case 4 ... 5: return MAKE_IRQ(1, 21 + gpio - 4); + case 6 ... 7: return MAKE_IRQ(1, 29 + gpio - 6); + } + + return -ENXIO; +} + +static inline int au1500_irq_to_gpio(int irq) +{ + switch (irq) { + case AU1500_GPIO0_INT ... AU1500_GPIO15_INT: + case AU1500_GPIO20_INT: + case AU1500_GPIO23_INT ... AU1500_GPIO28_INT: + return ALCHEMY_GPIO1_BASE + (irq - AU1500_GPIO0_INT) + 0; + case AU1500_GPIO200_INT ... AU1500_GPIO203_INT: + return ALCHEMY_GPIO2_BASE + (irq - AU1500_GPIO200_INT) + 0; + case AU1500_GPIO204_INT ... AU1500_GPIO205_INT: + return ALCHEMY_GPIO2_BASE + (irq - AU1500_GPIO204_INT) + 4; + case AU1500_GPIO206_INT ... AU1500_GPIO207_INT: + return ALCHEMY_GPIO2_BASE + (irq - AU1500_GPIO206_INT) + 6; + case AU1500_GPIO208_215_INT: + return ALCHEMY_GPIO2_BASE + 8; + } + + return -ENXIO; +} + +static inline int au1100_gpio1_to_irq(int gpio) +{ + return MAKE_IRQ(1, gpio - ALCHEMY_GPIO1_BASE); +} + +static inline int au1100_gpio2_to_irq(int gpio) +{ + gpio -= ALCHEMY_GPIO2_BASE; + + if ((gpio >= 8) && (gpio <= 15)) + return MAKE_IRQ(0, 29); /* shared GPIO208_215 */ + + return -ENXIO; +} + +static inline int au1100_irq_to_gpio(int irq) +{ + switch (irq) { + case AU1100_GPIO0_INT ... AU1100_GPIO31_INT: + return ALCHEMY_GPIO1_BASE + (irq - AU1100_GPIO0_INT) + 0; + case AU1100_GPIO208_215_INT: + return ALCHEMY_GPIO2_BASE + 8; + } + + return -ENXIO; +} + +static inline int au1550_gpio1_to_irq(int gpio) +{ + gpio -= ALCHEMY_GPIO1_BASE; + + switch (gpio) { + case 0 ... 15: + case 20 ... 28: return MAKE_IRQ(1, gpio); + case 16 ... 17: return MAKE_IRQ(1, 18 + gpio - 16); + } + + return -ENXIO; +} + +static inline int au1550_gpio2_to_irq(int gpio) +{ + gpio -= ALCHEMY_GPIO2_BASE; + + switch (gpio) { + case 0: return MAKE_IRQ(1, 16); + case 1 ... 5: return MAKE_IRQ(1, 17); /* shared GPIO201_205 */ + case 6 ... 7: return MAKE_IRQ(1, 29 + gpio - 6); + case 8 ... 15: return MAKE_IRQ(1, 31); /* shared GPIO208_215 */ + } + + return -ENXIO; +} + +static inline int au1550_irq_to_gpio(int irq) +{ + switch (irq) { + case AU1550_GPIO0_INT ... AU1550_GPIO15_INT: + return ALCHEMY_GPIO1_BASE + (irq - AU1550_GPIO0_INT) + 0; + case AU1550_GPIO200_INT: + case AU1550_GPIO201_205_INT: + return ALCHEMY_GPIO2_BASE + (irq - AU1550_GPIO200_INT) + 0; + case AU1550_GPIO16_INT ... AU1550_GPIO28_INT: + return ALCHEMY_GPIO1_BASE + (irq - AU1550_GPIO16_INT) + 16; + case AU1550_GPIO206_INT ... AU1550_GPIO208_215_INT: + return ALCHEMY_GPIO2_BASE + (irq - AU1550_GPIO206_INT) + 6; + } + + return -ENXIO; +} + +static inline int au1200_gpio1_to_irq(int gpio) +{ + return MAKE_IRQ(1, gpio - ALCHEMY_GPIO1_BASE); +} + +static inline int au1200_gpio2_to_irq(int gpio) +{ + gpio -= ALCHEMY_GPIO2_BASE; + + switch (gpio) { + case 0 ... 2: return MAKE_IRQ(0, 5 + gpio - 0); + case 3: return MAKE_IRQ(0, 22); + case 4 ... 7: return MAKE_IRQ(0, 24 + gpio - 4); + case 8 ... 15: return MAKE_IRQ(0, 28); /* shared GPIO208_215 */ + } + + return -ENXIO; +} + +static inline int au1200_irq_to_gpio(int irq) +{ + switch (irq) { + case AU1200_GPIO0_INT ... AU1200_GPIO31_INT: + return ALCHEMY_GPIO1_BASE + (irq - AU1200_GPIO0_INT) + 0; + case AU1200_GPIO200_INT ... AU1200_GPIO202_INT: + return ALCHEMY_GPIO2_BASE + (irq - AU1200_GPIO200_INT) + 0; + case AU1200_GPIO203_INT: + return ALCHEMY_GPIO2_BASE + 3; + case AU1200_GPIO204_INT ... AU1200_GPIO208_215_INT: + return ALCHEMY_GPIO2_BASE + (irq - AU1200_GPIO204_INT) + 4; + } + + return -ENXIO; +} + +/* + * GPIO1 block macros for common linux gpio functions. + */ +static inline void alchemy_gpio1_set_value(int gpio, int v) +{ + unsigned long mask = 1 << (gpio - ALCHEMY_GPIO1_BASE); + unsigned long r = v ? AU1000_SYS_OUTPUTSET : AU1000_SYS_OUTPUTCLR; + alchemy_wrsys(mask, r); +} + +static inline int alchemy_gpio1_get_value(int gpio) +{ + unsigned long mask = 1 << (gpio - ALCHEMY_GPIO1_BASE); + return alchemy_rdsys(AU1000_SYS_PINSTATERD) & mask; +} + +static inline int alchemy_gpio1_direction_input(int gpio) +{ + unsigned long mask = 1 << (gpio - ALCHEMY_GPIO1_BASE); + alchemy_wrsys(mask, AU1000_SYS_TRIOUTCLR); + return 0; +} + +static inline int alchemy_gpio1_direction_output(int gpio, int v) +{ + /* hardware switches to "output" mode when one of the two + * "set_value" registers is accessed. + */ + alchemy_gpio1_set_value(gpio, v); + return 0; +} + +static inline int alchemy_gpio1_is_valid(int gpio) +{ + return ((gpio >= ALCHEMY_GPIO1_BASE) && (gpio <= ALCHEMY_GPIO1_MAX)); +} + +static inline int alchemy_gpio1_to_irq(int gpio) +{ + switch (alchemy_get_cputype()) { + case ALCHEMY_CPU_AU1000: + return au1000_gpio1_to_irq(gpio); + case ALCHEMY_CPU_AU1100: + return au1100_gpio1_to_irq(gpio); + case ALCHEMY_CPU_AU1500: + return au1500_gpio1_to_irq(gpio); + case ALCHEMY_CPU_AU1550: + return au1550_gpio1_to_irq(gpio); + case ALCHEMY_CPU_AU1200: + return au1200_gpio1_to_irq(gpio); + } + return -ENXIO; +} + +/* On Au1000, Au1500 and Au1100 GPIOs won't work as inputs before + * SYS_PININPUTEN is written to at least once. On Au1550/Au1200/Au1300 this + * register enables use of GPIOs as wake source. + */ +static inline void alchemy_gpio1_input_enable(void) +{ + void __iomem *base = (void __iomem *)KSEG1ADDR(AU1000_SYS_PHYS_ADDR); + __raw_writel(0, base + 0x110); /* the write op is key */ + wmb(); +} + +/* + * GPIO2 block macros for common linux GPIO functions. The 'gpio' + * parameter must be in range of ALCHEMY_GPIO2_BASE..ALCHEMY_GPIO2_MAX. + */ +static inline void __alchemy_gpio2_mod_dir(int gpio, int to_out) +{ + void __iomem *base = (void __iomem *)KSEG1ADDR(AU1500_GPIO2_PHYS_ADDR); + unsigned long mask = 1 << (gpio - ALCHEMY_GPIO2_BASE); + unsigned long d = __raw_readl(base + AU1000_GPIO2_DIR); + + if (to_out) + d |= mask; + else + d &= ~mask; + __raw_writel(d, base + AU1000_GPIO2_DIR); + wmb(); +} + +static inline void alchemy_gpio2_set_value(int gpio, int v) +{ + void __iomem *base = (void __iomem *)KSEG1ADDR(AU1500_GPIO2_PHYS_ADDR); + unsigned long mask; + mask = ((v) ? 0x00010001 : 0x00010000) << (gpio - ALCHEMY_GPIO2_BASE); + __raw_writel(mask, base + AU1000_GPIO2_OUTPUT); + wmb(); +} + +static inline int alchemy_gpio2_get_value(int gpio) +{ + void __iomem *base = (void __iomem *)KSEG1ADDR(AU1500_GPIO2_PHYS_ADDR); + return __raw_readl(base + AU1000_GPIO2_PINSTATE) & + (1 << (gpio - ALCHEMY_GPIO2_BASE)); +} + +static inline int alchemy_gpio2_direction_input(int gpio) +{ + unsigned long flags; + local_irq_save(flags); + __alchemy_gpio2_mod_dir(gpio, 0); + local_irq_restore(flags); + return 0; +} + +static inline int alchemy_gpio2_direction_output(int gpio, int v) +{ + unsigned long flags; + alchemy_gpio2_set_value(gpio, v); + local_irq_save(flags); + __alchemy_gpio2_mod_dir(gpio, 1); + local_irq_restore(flags); + return 0; +} + +static inline int alchemy_gpio2_is_valid(int gpio) +{ + return ((gpio >= ALCHEMY_GPIO2_BASE) && (gpio <= ALCHEMY_GPIO2_MAX)); +} + +static inline int alchemy_gpio2_to_irq(int gpio) +{ + switch (alchemy_get_cputype()) { + case ALCHEMY_CPU_AU1000: + return au1000_gpio2_to_irq(gpio); + case ALCHEMY_CPU_AU1100: + return au1100_gpio2_to_irq(gpio); + case ALCHEMY_CPU_AU1500: + return au1500_gpio2_to_irq(gpio); + case ALCHEMY_CPU_AU1550: + return au1550_gpio2_to_irq(gpio); + case ALCHEMY_CPU_AU1200: + return au1200_gpio2_to_irq(gpio); + } + return -ENXIO; +} + +/**********************************************************************/ + +/* GPIO2 shared interrupts and control */ + +static inline void __alchemy_gpio2_mod_int(int gpio2, int en) +{ + void __iomem *base = (void __iomem *)KSEG1ADDR(AU1500_GPIO2_PHYS_ADDR); + unsigned long r = __raw_readl(base + AU1000_GPIO2_INTENABLE); + if (en) + r |= 1 << gpio2; + else + r &= ~(1 << gpio2); + __raw_writel(r, base + AU1000_GPIO2_INTENABLE); + wmb(); +} + +/** + * alchemy_gpio2_enable_int - Enable a GPIO2 pins' shared irq contribution. + * @gpio2: The GPIO2 pin to activate (200...215). + * + * GPIO208-215 have one shared interrupt line to the INTC. They are + * and'ed with a per-pin enable bit and finally or'ed together to form + * a single irq request (useful for active-high sources). + * With this function, a pins' individual contribution to the int request + * can be enabled. As with all other GPIO-based interrupts, the INTC + * must be programmed to accept the GPIO208_215 interrupt as well. + * + * NOTE: Calling this macro is only necessary for GPIO208-215; all other + * GPIO2-based interrupts have their own request to the INTC. Please + * consult your Alchemy databook for more information! + * + * NOTE: On the Au1550, GPIOs 201-205 also have a shared interrupt request + * line to the INTC, GPIO201_205. This function can be used for those + * as well. + * + * NOTE: 'gpio2' parameter must be in range of the GPIO2 numberspace + * (200-215 by default). No sanity checks are made, + */ +static inline void alchemy_gpio2_enable_int(int gpio2) +{ + unsigned long flags; + + gpio2 -= ALCHEMY_GPIO2_BASE; + + /* Au1100/Au1500 have GPIO208-215 enable bits at 0..7 */ + switch (alchemy_get_cputype()) { + case ALCHEMY_CPU_AU1100: + case ALCHEMY_CPU_AU1500: + gpio2 -= 8; + } + + local_irq_save(flags); + __alchemy_gpio2_mod_int(gpio2, 1); + local_irq_restore(flags); +} + +/** + * alchemy_gpio2_disable_int - Disable a GPIO2 pins' shared irq contribution. + * @gpio2: The GPIO2 pin to activate (200...215). + * + * see function alchemy_gpio2_enable_int() for more information. + */ +static inline void alchemy_gpio2_disable_int(int gpio2) +{ + unsigned long flags; + + gpio2 -= ALCHEMY_GPIO2_BASE; + + /* Au1100/Au1500 have GPIO208-215 enable bits at 0..7 */ + switch (alchemy_get_cputype()) { + case ALCHEMY_CPU_AU1100: + case ALCHEMY_CPU_AU1500: + gpio2 -= 8; + } + + local_irq_save(flags); + __alchemy_gpio2_mod_int(gpio2, 0); + local_irq_restore(flags); +} + +/** + * alchemy_gpio2_enable - Activate GPIO2 block. + * + * The GPIO2 block must be enabled excplicitly to work. On systems + * where this isn't done by the bootloader, this macro can be used. + */ +static inline void alchemy_gpio2_enable(void) +{ + void __iomem *base = (void __iomem *)KSEG1ADDR(AU1500_GPIO2_PHYS_ADDR); + __raw_writel(3, base + AU1000_GPIO2_ENABLE); /* reset, clock enabled */ + wmb(); + __raw_writel(1, base + AU1000_GPIO2_ENABLE); /* clock enabled */ + wmb(); +} + +/** + * alchemy_gpio2_disable - disable GPIO2 block. + * + * Disable and put GPIO2 block in low-power mode. + */ +static inline void alchemy_gpio2_disable(void) +{ + void __iomem *base = (void __iomem *)KSEG1ADDR(AU1500_GPIO2_PHYS_ADDR); + __raw_writel(2, base + AU1000_GPIO2_ENABLE); /* reset, clock disabled */ + wmb(); +} + +/**********************************************************************/ + +/* wrappers for on-chip gpios; can be used before gpio chips have been + * registered with gpiolib. + */ +static inline int alchemy_gpio_direction_input(int gpio) +{ + return (gpio >= ALCHEMY_GPIO2_BASE) ? + alchemy_gpio2_direction_input(gpio) : + alchemy_gpio1_direction_input(gpio); +} + +static inline int alchemy_gpio_direction_output(int gpio, int v) +{ + return (gpio >= ALCHEMY_GPIO2_BASE) ? + alchemy_gpio2_direction_output(gpio, v) : + alchemy_gpio1_direction_output(gpio, v); +} + +static inline int alchemy_gpio_get_value(int gpio) +{ + return (gpio >= ALCHEMY_GPIO2_BASE) ? + alchemy_gpio2_get_value(gpio) : + alchemy_gpio1_get_value(gpio); +} + +static inline void alchemy_gpio_set_value(int gpio, int v) +{ + if (gpio >= ALCHEMY_GPIO2_BASE) + alchemy_gpio2_set_value(gpio, v); + else + alchemy_gpio1_set_value(gpio, v); +} + +static inline int alchemy_gpio_is_valid(int gpio) +{ + return (gpio >= ALCHEMY_GPIO2_BASE) ? + alchemy_gpio2_is_valid(gpio) : + alchemy_gpio1_is_valid(gpio); +} + +static inline int alchemy_gpio_cansleep(int gpio) +{ + return 0; /* Alchemy never gets tired */ +} + +static inline int alchemy_gpio_to_irq(int gpio) +{ + return (gpio >= ALCHEMY_GPIO2_BASE) ? + alchemy_gpio2_to_irq(gpio) : + alchemy_gpio1_to_irq(gpio); +} + +static inline int alchemy_irq_to_gpio(int irq) +{ + switch (alchemy_get_cputype()) { + case ALCHEMY_CPU_AU1000: + return au1000_irq_to_gpio(irq); + case ALCHEMY_CPU_AU1100: + return au1100_irq_to_gpio(irq); + case ALCHEMY_CPU_AU1500: + return au1500_irq_to_gpio(irq); + case ALCHEMY_CPU_AU1550: + return au1550_irq_to_gpio(irq); + case ALCHEMY_CPU_AU1200: + return au1200_irq_to_gpio(irq); + } + return -ENXIO; +} + +#endif /* _ALCHEMY_GPIO_AU1000_H_ */ diff --git a/arch/mips/include/asm/mach-au1x00/gpio-au1300.h b/arch/mips/include/asm/mach-au1x00/gpio-au1300.h new file mode 100644 index 000000000..d16add7ba --- /dev/null +++ b/arch/mips/include/asm/mach-au1x00/gpio-au1300.h @@ -0,0 +1,123 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * gpio-au1300.h -- GPIO control for Au1300 GPIC and compatibles. + * + * Copyright (c) 2009-2011 Manuel Lauss <manuel.lauss@googlemail.com> + */ + +#ifndef _GPIO_AU1300_H_ +#define _GPIO_AU1300_H_ + +#include <asm/addrspace.h> +#include <asm/io.h> +#include <asm/mach-au1x00/au1000.h> + +struct gpio; +struct gpio_chip; + +/* with the current GPIC design, up to 128 GPIOs are possible. + * The only implementation so far is in the Au1300, which has 75 externally + * available GPIOs. + */ +#define AU1300_GPIO_BASE 0 +#define AU1300_GPIO_NUM 75 +#define AU1300_GPIO_MAX (AU1300_GPIO_BASE + AU1300_GPIO_NUM - 1) + +#define AU1300_GPIC_ADDR \ + (void __iomem *)KSEG1ADDR(AU1300_GPIC_PHYS_ADDR) + +static inline int au1300_gpio_get_value(unsigned int gpio) +{ + void __iomem *roff = AU1300_GPIC_ADDR; + int bit; + + gpio -= AU1300_GPIO_BASE; + roff += GPIC_GPIO_BANKOFF(gpio); + bit = GPIC_GPIO_TO_BIT(gpio); + return __raw_readl(roff + AU1300_GPIC_PINVAL) & bit; +} + +static inline int au1300_gpio_direction_input(unsigned int gpio) +{ + void __iomem *roff = AU1300_GPIC_ADDR; + unsigned long bit; + + gpio -= AU1300_GPIO_BASE; + + roff += GPIC_GPIO_BANKOFF(gpio); + bit = GPIC_GPIO_TO_BIT(gpio); + __raw_writel(bit, roff + AU1300_GPIC_DEVCLR); + wmb(); + + return 0; +} + +static inline int au1300_gpio_set_value(unsigned int gpio, int v) +{ + void __iomem *roff = AU1300_GPIC_ADDR; + unsigned long bit; + + gpio -= AU1300_GPIO_BASE; + + roff += GPIC_GPIO_BANKOFF(gpio); + bit = GPIC_GPIO_TO_BIT(gpio); + __raw_writel(bit, roff + (v ? AU1300_GPIC_PINVAL + : AU1300_GPIC_PINVALCLR)); + wmb(); + + return 0; +} + +static inline int au1300_gpio_direction_output(unsigned int gpio, int v) +{ + /* hw switches to output automatically */ + return au1300_gpio_set_value(gpio, v); +} + +static inline int au1300_gpio_to_irq(unsigned int gpio) +{ + return AU1300_FIRST_INT + (gpio - AU1300_GPIO_BASE); +} + +static inline int au1300_irq_to_gpio(unsigned int irq) +{ + return (irq - AU1300_FIRST_INT) + AU1300_GPIO_BASE; +} + +static inline int au1300_gpio_is_valid(unsigned int gpio) +{ + int ret; + + switch (alchemy_get_cputype()) { + case ALCHEMY_CPU_AU1300: + ret = ((gpio >= AU1300_GPIO_BASE) && (gpio <= AU1300_GPIO_MAX)); + break; + default: + ret = 0; + } + return ret; +} + +static inline int au1300_gpio_cansleep(unsigned int gpio) +{ + return 0; +} + +/* hardware remembers gpio 0-63 levels on powerup */ +static inline int au1300_gpio_getinitlvl(unsigned int gpio) +{ + void __iomem *roff = AU1300_GPIC_ADDR; + unsigned long v; + + if (unlikely(gpio > 63)) + return 0; + else if (gpio > 31) { + gpio -= 32; + roff += 4; + } + + v = __raw_readl(roff + AU1300_GPIC_RSTVAL); + return (v >> gpio) & 1; +} + +#endif /* _GPIO_AU1300_H_ */ diff --git a/arch/mips/include/asm/mach-au1x00/prom.h b/arch/mips/include/asm/mach-au1x00/prom.h new file mode 100644 index 000000000..c62ee0246 --- /dev/null +++ b/arch/mips/include/asm/mach-au1x00/prom.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __AU1X00_PROM_H +#define __AU1X00_PROM_H + +extern int prom_argc; +extern char **prom_argv; +extern char **prom_envp; + +extern void prom_init_cmdline(void); +extern char *prom_getenv(char *envname); +extern int prom_get_ethernet_addr(char *ethernet_addr); + +#endif |