Home | History | Annotate | Line # | Download | only in ingenic
ingenic_regs.h revision 1.13
      1 /*	$NetBSD: ingenic_regs.h,v 1.13 2015/04/21 19:19:31 macallan Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2014 Michael Lorenz
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef INGENIC_REGS_H
     30 #define INGENIC_REGS_H
     31 
     32 /* for wbflush() */
     33 #include <mips/locore.h>
     34 
     35 /* UARTs, mostly 16550 compatible with 32bit spaced registers */
     36 #define JZ_UART0 0x10030000
     37 #define JZ_UART1 0x10031000
     38 #define JZ_UART2 0x10032000
     39 #define JZ_UART3 0x10033000
     40 #define JZ_UART4 0x10034000
     41 
     42 /* LCD controller base addresses, registers are in jzfb_regs.h */
     43 #define JZ_LCDC0_BASE 0x13050000
     44 #define JZ_LCDC1_BASE 0x130a0000
     45 
     46 /* watchdog */
     47 #define JZ_WDOG_TDR	0x10002000	/* compare */
     48 #define JZ_WDOG_TCER	0x10002004
     49 	#define TCER_ENABLE	0x01	/* enable counter */
     50 #define JZ_WDOG_TCNT	0x10002008	/* 16bit up count */
     51 #define JZ_WDOG_TCSR	0x1000200c
     52 	#define TCSR_PCK_EN	0x01	/* PCLK */
     53 	#define TCSR_RTC_EN	0x02	/* RTCCLK - 32.768kHz */
     54 	#define TCSR_EXT_EN	0x04	/* EXTCLK - 48MHz */
     55 	#define TCSR_PRESCALE_M	0x38
     56 	#define TCSR_DIV_1	0x00
     57 	#define TCSR_DIV_4	0x08
     58 	#define TCSR_DIV_16	0x10
     59 	#define TCSR_DIV_64	0x18
     60 	#define TCSR_DIV_256	0x20
     61 	#define TCSR_DIV_1024	0x28
     62 
     63 /* timers and PWMs */
     64 #define JZ_TC_TER	0x10002010	/* TC enable reg, ro */
     65 #define JZ_TC_TESR	0x10002014	/* TC enable set reg. */
     66 	#define TESR_TCST0	0x0001	/* enable counter 0 */
     67 	#define TESR_TCST1	0x0002	/* enable counter 1 */
     68 	#define TESR_TCST2	0x0004	/* enable counter 2 */
     69 	#define TESR_TCST3	0x0008	/* enable counter 3 */
     70 	#define TESR_TCST4	0x0010	/* enable counter 4 */
     71 	#define TESR_TCST5	0x0020	/* enable counter 5 */
     72 	#define TESR_TCST6	0x0040	/* enable counter 6 */
     73 	#define TESR_TCST7	0x0080	/* enable counter 7 */
     74 	#define TESR_OST	0x8000	/* enable OST */
     75 #define JZ_TC_TECR	0x10002018	/* TC enable clear reg. */
     76 #define JZ_TC_TFR	0x10002020
     77 	#define TFR_FFLAG0	0x00000001	/* channel 0 */
     78 	#define TFR_FFLAG1	0x00000002	/* channel 1 */
     79 	#define TFR_FFLAG2	0x00000004	/* channel 2 */
     80 	#define TFR_FFLAG3	0x00000008	/* channel 3 */
     81 	#define TFR_FFLAG4	0x00000010	/* channel 4 */
     82 	#define TFR_FFLAG5	0x00000020	/* channel 5 */
     83 	#define TFR_FFLAG6	0x00000040	/* channel 6 */
     84 	#define TFR_FFLAG7	0x00000080	/* channel 7 */
     85 	#define TFR_OSTFLAG	0x00008000	/* OS timer */
     86 #define JZ_TC_TFSR	0x10002024	/* timer flag set */
     87 #define JZ_TC_TFCR	0x10002028	/* timer flag clear */
     88 #define JZ_TC_TMR	0x10002030	/* timer flag mask */
     89 #define JZ_TC_TMSR	0x10002034	/* timer flag mask set */
     90 #define JZ_TC_TMCR	0x10002038	/* timer flag mask clear*/
     91 
     92 #define JZ_TC_TDFR(n)	(0x10002040 + (n * 0x10))	/* FULL compare */
     93 #define JZ_TC_TDHR(n)	(0x10002044 + (n * 0x10))	/* HALF compare */
     94 #define JZ_TC_TCNT(n)	(0x10002048 + (n * 0x10))	/* count */
     95 
     96 #define JZ_TC_TCSR(n)	(0x1000204c + (n * 0x10))
     97 /* same bits as in JZ_WDOG_TCSR	*/
     98 
     99 /* operating system timer */
    100 #define JZ_OST_DATA	0x100020e0	/* compare */
    101 #define JZ_OST_CNT_LO	0x100020e4
    102 #define JZ_OST_CNT_HI	0x100020e8
    103 #define JZ_OST_CTRL	0x100020ec
    104 	#define OSTC_PCK_EN	0x0001	/* use PCLK */
    105 	#define OSTC_RTC_EN	0x0002	/* use RTCCLK */
    106 	#define OSTC_EXT_EN	0x0004	/* use EXTCLK */
    107 	#define OSTC_PRESCALE_M	0x0038
    108 	#define OSTC_DIV_1	0x0000
    109 	#define OSTC_DIV_4	0x0008
    110 	#define OSTC_DIV_16	0x0010
    111 	#define OSTC_DIV_64	0x0018
    112 	#define OSTC_DIV_256	0x0020
    113 	#define OSTC_DIV_1024	0x0028
    114 	#define OSTC_SHUTDOWN	0x0200
    115 	#define OSTC_MODE	0x8000	/* 0 - reset to 0 when = OST_DATA */
    116 #define JZ_OST_CNT_U32	0x100020fc	/* copy of CNT_HI when reading CNT_LO */
    117 
    118 static inline void
    119 writereg(uint32_t reg, uint32_t val)
    120 {
    121 	*(int32_t *)MIPS_PHYS_TO_KSEG1(reg) = val;
    122 	wbflush();
    123 }
    124 
    125 static inline uint32_t
    126 readreg(uint32_t reg)
    127 {
    128 	wbflush();
    129 	return *(int32_t *)MIPS_PHYS_TO_KSEG1(reg);
    130 }
    131 
    132 /* extra CP0 registers */
    133 static inline uint32_t
    134 MFC0(uint32_t r, uint32_t s)
    135 {
    136 	uint32_t ret = 0x12345678;
    137 
    138 	__asm volatile("mfc0 %0, $%1, %2; nop;" : "=r"(ret) : "i"(r), "i"(s));
    139 	return ret;
    140 }
    141 
    142 #define MTC0(v, r, s) __asm volatile("mtc0 %0, $%1, %2; nop;" :: "r"(v), "i"(r), "i"(s))
    143 
    144 #define CP0_CORE_CTRL	12	/* select 2 */
    145 	#define CC_SW_RST0	1	/* reset core 0 */
    146 	#define CC_SW_RST1	2	/* reset core 1 */
    147 	#define CC_RPC0		0x100	/* dedicater reset entry core 0 */
    148 	#define CC_RPC1		0x200	/* -- || -- core 1 */
    149 	#define CC_SLEEP0M	0x10000	/* mask sleep core 0 */
    150 	#define CC_SLEEP1M	0x20000	/* mask sleep core 1 */
    151 
    152 /* cores status, 12 select 3 */
    153 #define CS_MIRQ0_P	0x00001	/* mailbox IRQ for 0 pending */
    154 #define CS_MIRQ1_P	0x00002	/* || core 1 */
    155 #define CS_IRQ0_P	0x00100	/* peripheral IRQ for core 0 */
    156 #define CS_IRQ1_P	0x00200	/* || core 1 */
    157 #define CS_SLEEP0	0x10000	/* core 0 sleeping */
    158 #define CS_SLEEP1	0x20000	/* core 1 sleeping */
    159 
    160 /* cores reset entry & IRQ masks - 12 select 4 */
    161 #define REIM_MIRQ0_M	0x00001	/* allow mailbox IRQ for core 0 */
    162 #define REIM_MIRQ1_M	0x00002	/* allow mailbox IRQ for core 1 */
    163 #define REIM_IRQ0_M	0x00100	/* allow peripheral IRQ for core 0 */
    164 #define REIM_IRQ1_M	0x00200	/* allow peripheral IRQ for core 1 */
    165 #define REIM_ENTRY_M	0xffff0000	/* reset exception entry if RPCn=1 */
    166 
    167 #define CP0_CORE_MBOX	20	/* select 0 for core 0, 1 for 1 */
    168 
    169 /* power management */
    170 #define JZ_CPCCR	0x10000000	/* Clock Control Register */
    171 	#define JZ_PDIV_M	0x000f0000	/* PCLK divider mask */
    172 	#define JZ_PDIV_S	16		/* PCLK divider shift */
    173 #define JZ_CPMPCR	0x00000014	/* MPLL */
    174 	#define JZ_PLLM_S	19		/* PLL multiplier shift */
    175 	#define JZ_PLLM_M	0xfff80000	/* PLL multiplier mask */
    176 	#define JZ_PLLN_S	13		/* PLL divider shift */
    177 	#define JZ_PLLN_M	0x0007e000	/* PLL divider mask */
    178 	#define JZ_PLLP_S	9		/* PLL postdivider shift */
    179 	#define JZ_PLLP_M	0x00001700	/* PLL postdivider mask */
    180 	#define JZ_PLLON	0x00000010	/* PLL is on and stable */
    181 	#define JZ_PLLBP	0x00000002	/* PLL bypass */
    182 	#define JZ_PLLEN	0x00000001	/* PLL enable */
    183 #define JZ_CLKGR0	0x10000020	/* CLocK Gating Registers */
    184 #define JZ_OPCR		0x10000024	/* Oscillator Power Control Reg. */
    185 	#define OPCR_IDLE_DIS	0x80000000	/* don't stop CPU clk on idle */
    186 	#define OPCR_GPU_CLK_ST	0x40000000	/* stop GPU clock */
    187 	#define OPCR_L2CM_M	0x0c000000
    188 	#define OPCR_L2CM_ON	0x00000000	/* L2 stays on in sleep */
    189 	#define OPCR_L2CM_RET	0x04000000	/* L2 retention mode in sleep */
    190 	#define OPCR_L2CM_OFF	0x08000000	/* L2 powers down in sleep */
    191 	#define OPCR_SPENDN0	0x00000080	/* OTG port forced down */
    192 	#define OPCR_SPENDN1	0x00000040	/* UHC port forced down */
    193 	#define OPCR_BUS_MODE	0x00000020	/* 1 - bursts */
    194 	#define OPCR_O1SE	0x00000010	/* EXTCLK on in sleep */
    195 	#define OPCR_PD		0x00000008	/* P0 down in sleep */
    196 	#define OPCR_ERCS	0x00000004	/* 1 RTCCLK, 0 EXTCLK/512 */
    197 	#define OPCR_CPU_MODE	0x00000002	/* 1 access 'accelerated' */
    198 	#define OPCR_OSE	0x00000001	/* disable EXTCLK */
    199 #define JZ_CLKGR1	0x10000028	/* CLocK Gating Registers */
    200 #define JZ_USBPCR	0x1000003c
    201 	#define PCR_USB_MODE		0x80000000	/* 1 - otg */
    202 	#define PCR_AVLD_REG		0x40000000
    203 	#define PCR_IDPULLUP_MASK	0x30000000
    204 	#define PCR_INCR_MASK		0x08000000
    205 	#define PCR_TCRISETUNE		0x04000000
    206 	#define PCR_COMMONONN		0x02000000
    207 	#define PCR_VBUSVLDEXT		0x01000000
    208 	#define PCR_VBUSVLDEXTSEL	0x00800000
    209 	#define PCR_POR			0x00400000
    210 	#define PCR_SIDDQ		0x00200000
    211 	#define PCR_OTG_DISABLE		0x00100000
    212 	#define PCR_COMPDISTN_M		0x000e0000
    213 	#define PCR_OTGTUNE		0x0001c000
    214 	#define PCR_SQRXTUNE		0x00003800
    215 	#define PCR_TXFSLSTUNE		0x00000780
    216 	#define PCR_TXPREEMPHTUNE	0x00000040
    217 	#define PCR_TXHSXVTUNE		0x00000030
    218 	#define PCR_TXVREFTUNE		0x0000000f
    219 #define JZ_USBRDT	0x10000040	/* Reset Detect Timer Register */
    220 #define JZ_USBPCR1	0x10000048
    221 	#define PCR_SYNOPSYS	0x10000000	/* Mentor mode otherwise */
    222 	#define PCR_REFCLK_CORE	0x0c000000
    223 	#define PCR_REFCLK_XO25	0x04000000
    224 	#define PCR_REFCLK_CO	0x00000000
    225 	#define PCR_CLK_M	0x03000000	/* clock */
    226 	#define PCR_CLK_192	0x03000000	/* 19.2MHz */
    227 	#define PCR_CLK_48	0x02000000	/* 48MHz */
    228 	#define PCR_CLK_24	0x01000000	/* 24MHz */
    229 	#define PCR_CLK_12	0x00000000	/* 12MHz */
    230 	#define PCR_DMPD1	0x00800000	/* pull down D- on port 1 */
    231 	#define PCR_DPPD1	0x00400000	/* pull down D+ on port 1 */
    232 	#define PCR_PORT0_RST	0x00200000	/* port 0 reset */
    233 	#define PCR_PORT1_RST	0x00100000	/* port 1 reset */
    234 	#define PCR_WORD_I_F0	0x00080000	/* 1: 16bit/30M, 8/60 otherw. */
    235 	#define PCR_WORD_I_F1	0x00040000	/* same for port 1 */
    236 	#define PCR_COMPDISTUNE	0x00038000	/* disconnect threshold */
    237 	#define PCR_SQRXTUNE1	0x00007000	/* squelch threshold */
    238 	#define PCR_TXFSLSTUNE1	0x00000f00	/* FS/LS impedance adj. */
    239 	#define PCR_TXPREEMPH	0x00000080	/* HS transm. pre-emphasis */
    240 	#define PCR_TXHSXVTUNE1	0x00000060	/* dp/dm voltage adj. */
    241 	#define PCR_TXVREFTUNE1	0x00000017	/* HS DC voltage adj. */
    242 	#define PCR_TXRISETUNE1	0x00000001	/* rise/fall wave adj. */
    243 
    244 #define JZ_UHCCDR	0x1000006c	/* UHC Clock Divider Register */
    245 #define JZ_SPCR0	0x100000b8	/* SRAM Power Control Registers */
    246 #define JZ_SPCR1	0x100000bc
    247 #define JZ_SRBC		0x100000c4	/* Soft Reset & Bus Control */
    248 
    249 /* interrupt controller */
    250 #define JZ_ICSR0	0x10001000	/* raw IRQ line status */
    251 #define JZ_ICMR0	0x10001004	/* IRQ mask, 1 masks IRQ */
    252 #define JZ_ICMSR0	0x10001008	/* sets bits in mask register */
    253 #define JZ_ICMCR0	0x1000100c	/* clears bits in mask register */
    254 #define JZ_ICPR0	0x10001010	/* line status after masking */
    255 
    256 #define JZ_ICSR1	0x10001020	/* raw IRQ line status */
    257 #define JZ_ICMR1	0x10001024	/* IRQ mask, 1 masks IRQ */
    258 #define JZ_ICMSR1	0x10001028	/* sets bits in mask register */
    259 #define JZ_ICMCR1	0x1000102c	/* clears bits in maks register */
    260 #define JZ_ICPR1	0x10001030	/* line status after masking */
    261 
    262 #define JZ_DSR0		0x10001034	/* source for PDMA */
    263 #define JZ_DMR0		0x10001038	/* mask for PDMA */
    264 #define JZ_DPR0		0x1000103c	/* pending for PDMA */
    265 
    266 #define JZ_DSR1		0x10001040	/* source for PDMA */
    267 #define JZ_DMR1		0x10001044	/* mask for PDMA */
    268 #define JZ_DPR1		0x10001048	/* pending for PDMA */
    269 
    270 /* memory controller */
    271 #define JZ_DMMAP0	0x13010024
    272 #define JZ_DMMAP1	0x13010028
    273 	#define	DMMAP_BASE	0x0000ff00	/* base PADDR of memory chunk */
    274 	#define DMMAP_MASK	0x000000ff	/* mask which bits of PADDR are
    275 						 * constant */
    276 /* USB controllers */
    277 #define JZ_EHCI_BASE	0x13490000
    278 #define JZ_OHCI_BASE	0x134a0000
    279 #define JZ_DWC2_BASE	0x13500000
    280 
    281 /* Ethernet */
    282 #define JZ_DME_BASE	0x16000000
    283 #define JZ_DME_IO	0
    284 #define JZ_DME_DATA	2
    285 
    286 /* GPIO */
    287 #define JZ_GPIO_A_BASE	0x10010000
    288 #define JZ_GPIO_B_BASE	0x10010100
    289 #define JZ_GPIO_C_BASE	0x10010200
    290 #define JZ_GPIO_D_BASE	0x10010300
    291 #define JZ_GPIO_E_BASE	0x10010400
    292 #define JZ_GPIO_F_BASE	0x10010500
    293 
    294 /* GPIO registers per port */
    295 #define JZ_GPIO_PIN	0x00000000	/* pin level register */
    296 /* 0 - normal gpio, 1 - interrupt */
    297 #define JZ_GPIO_INT	0x00000010	/* interrupt register */
    298 #define JZ_GPIO_INTS	0x00000014	/* interrupt set register */
    299 #define JZ_GPIO_INTC	0x00000018	/* interrupt clear register */
    300 /*
    301  * INT == 1: 1 disables interrupt
    302  * INT == 0: device select, see below
    303  */
    304 #define JZ_GPIO_MASK	0x00000020	/* port mask register */
    305 #define JZ_GPIO_MASKS	0x00000024	/* port mask set register */
    306 #define JZ_GPIO_MASKC	0x00000028	/* port mask clear register */
    307 /*
    308  * INT == 1: 0 - level triggered, 1 - edge triggered
    309  * INT == 0: 0 - device select, see below
    310  */
    311 #define JZ_GPIO_PAT1	0x00000030	/* pattern 1 register */
    312 #define JZ_GPIO_PAT1S	0x00000034	/* pattern 1 set register */
    313 #define JZ_GPIO_PAT1C	0x00000038	/* pattern 1 clear register */
    314 /*
    315  * INT == 1:
    316  *   PAT1 == 0: 0 - trigger on low, 1 - trigger on high
    317  *   PAT1 == 1: 0 - trigger on falling edge, 1 - trigger on rising edge
    318  * INT == 0:
    319  *   MASK == 0:
    320  *     PAT1 == 0: 0 - device 0, 1 - device 1
    321  *     PAT1 == 1: 0 - device 2, 1 - device 3
    322  *   MASK == 1:
    323  *     PAT1 == 0: set gpio output
    324  *     PAT1 == 1: pin is input
    325  */
    326 #define JZ_GPIO_PAT0	0x00000040	/* pattern 0 register */
    327 #define JZ_GPIO_PAT0S	0x00000044	/* pattern 0 set register */
    328 #define JZ_GPIO_PAT0C	0x00000048	/* pattern 0 clear register */
    329 /* 1 - interrupt happened */
    330 #define JZ_GPIO_FLAG	0x00000050	/* flag register */
    331 #define JZ_GPIO_FLAGC	0x00000058	/* flag clear register */
    332 /* 1 - disable pull up/down resistors */
    333 #define JZ_GPIO_DPULL	0x00000070	/* pull disable register */
    334 #define JZ_GPIO_DPULLS	0x00000074	/* pull disable set register */
    335 #define JZ_GPIO_DPULLC	0x00000078	/* pull disable clear register */
    336 /* the following are uncommented in the manual */
    337 #define JZ_GPIO_DRVL	0x00000080	/* drive low register */
    338 #define JZ_GPIO_DRVLS	0x00000084	/* drive low set register */
    339 #define JZ_GPIO_DRVLC	0x00000088	/* drive low clear register */
    340 #define JZ_GPIO_DIR	0x00000090	/* direction register */
    341 #define JZ_GPIO_DIRS	0x00000094	/* direction register */
    342 #define JZ_GPIO_DIRC	0x00000098	/* direction register */
    343 #define JZ_GPIO_DRVH	0x000000a0	/* drive high register */
    344 #define JZ_GPIO_DRVHS	0x000000a4	/* drive high set register */
    345 #define JZ_GPIO_DRVHC	0x000000a8	/* drive high clear register */
    346 
    347 static inline void
    348 gpio_as_output(uint32_t g, int pin)
    349 {
    350 	uint32_t mask = 1 << pin;
    351 	uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
    352 
    353 	writereg(reg + JZ_GPIO_INTC, mask);	/* use as gpio */
    354 	writereg(reg + JZ_GPIO_MASKS, mask);
    355 	writereg(reg + JZ_GPIO_PAT1C, mask);	/* make output */
    356 }
    357 
    358 static inline void
    359 gpio_set(uint32_t g, int pin, int level)
    360 {
    361 	uint32_t mask = 1 << pin;
    362 	uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
    363 
    364 	reg += (level == 0) ? JZ_GPIO_PAT0C : JZ_GPIO_PAT0S;
    365 	writereg(reg, mask);
    366 }
    367 
    368 static inline void
    369 gpio_as_dev0(uint32_t g, int pin)
    370 {
    371 	uint32_t mask = 1 << pin;
    372 	uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
    373 
    374 	writereg(reg + JZ_GPIO_INTC, mask);	/* use as gpio */
    375 	writereg(reg + JZ_GPIO_MASKC, mask);	/* device mode */
    376 	writereg(reg + JZ_GPIO_PAT1C, mask);	/* select 0 */
    377 	writereg(reg + JZ_GPIO_PAT0C, mask);
    378 }
    379 
    380 static inline void
    381 gpio_as_dev1(uint32_t g, int pin)
    382 {
    383 	uint32_t mask = 1 << pin;
    384 	uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
    385 
    386 	writereg(reg + JZ_GPIO_INTC, mask);	/* use as gpio */
    387 	writereg(reg + JZ_GPIO_MASKC, mask);	/* device mode */
    388 	writereg(reg + JZ_GPIO_PAT1C, mask);	/* select 1 */
    389 	writereg(reg + JZ_GPIO_PAT0S, mask);
    390 }
    391 
    392 static inline void
    393 gpio_as_dev2(uint32_t g, int pin)
    394 {
    395 	uint32_t mask = 1 << pin;
    396 	uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
    397 
    398 	writereg(reg + JZ_GPIO_INTC, mask);	/* use as gpio */
    399 	writereg(reg + JZ_GPIO_MASKC, mask);	/* device mode */
    400 	writereg(reg + JZ_GPIO_PAT1S, mask);	/* select 2 */
    401 	writereg(reg + JZ_GPIO_PAT0C, mask);
    402 }
    403 
    404 static inline void
    405 gpio_as_dev3(uint32_t g, int pin)
    406 {
    407 	uint32_t mask = 1 << pin;
    408 	uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
    409 
    410 	writereg(reg + JZ_GPIO_INTC, mask);	/* use as gpio */
    411 	writereg(reg + JZ_GPIO_MASKC, mask);	/* device mode */
    412 	writereg(reg + JZ_GPIO_PAT1S, mask);	/* select 3 */
    413 	writereg(reg + JZ_GPIO_PAT0S, mask);
    414 }
    415 
    416 static inline void
    417 gpio_as_intr_level(uint32_t g, int pin)
    418 {
    419 	uint32_t mask = 1 << pin;
    420 	uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
    421 
    422 	writereg(reg + JZ_GPIO_MASKS, mask);	/* mask it */
    423 	writereg(reg + JZ_GPIO_INTS, mask);	/* use as interrupt */
    424 	writereg(reg + JZ_GPIO_PAT1C, mask);	/* level trigger */
    425 	writereg(reg + JZ_GPIO_PAT0S, mask);	/* trigger on high */
    426 	writereg(reg + JZ_GPIO_FLAGC, mask);	/* clear it */
    427 	writereg(reg + JZ_GPIO_MASKC, mask);	/* enable it */
    428 }
    429 
    430 /* I2C / SMBus */
    431 #define JZ_SMB0_BASE	0x10050000
    432 #define JZ_SMB1_BASE	0x10051000
    433 #define JZ_SMB2_BASE	0x10052000
    434 #define JZ_SMB3_BASE	0x10053000
    435 #define JZ_SMB4_BASE	0x10054000
    436 
    437 /* SMBus register offsets, per port */
    438 #define JZ_SMBCON	0x00 /* SMB control */
    439 	#define JZ_STPHLD	0x80 /* Stop Hold Enable bit */
    440 	#define JZ_SLVDIS	0x40 /* 1 - slave disabled */
    441 	#define JZ_REST		0x20 /* 1 - allow RESTART */
    442 	#define JZ_MATP		0x10 /* 1 - enable 10bit addr. for master */
    443 	#define JZ_SATP		0x08 /* 1 - enable 10bit addr. for slave */
    444 	#define JZ_SPD_M	0x06 /* bus speed control */
    445 	#define JZ_SPD_100KB	0x02 /* 100kBit/s mode */
    446 	#define JZ_SPD_400KB	0x04 /* 400kBit/s mode */
    447 	#define JZ_MD		0x01 /* enable master */
    448 #define JZ_SMBTAR	0x04 /* SMB target address */
    449 	#define JZ_SMATP	0x1000 /* enable 10bit master addr */
    450 	#define JZ_SPECIAL	0x0800 /* 1 - special command */
    451 	#define JZ_START	0x0400 /* 1 - send START */
    452 	#define JZ_SMBTAR_M	0x03ff /* target address */
    453 #define JZ_SMBSAR	0x08 /* SMB slave address */
    454 #define JZ_SMBDC	0x10 /* SMB data buffer and command */
    455 	#define JZ_CMD	0x100 /* 1 - read, 0 - write */
    456 	#define JZ_DATA	0x0ff
    457 #define JZ_SMBSHCNT	0x14 /* Standard speed SMB SCL high count */
    458 #define JZ_SMBSLCNT	0x18 /* Standard speed SMB SCL low count */
    459 #define JZ_SMBFHCNT	0x1C /* Fast speed SMB SCL high count */
    460 #define JZ_SMBFLCNT	0x20 /* Fast speed SMB SCL low count */
    461 #define JZ_SMBINTST	0x2C /* SMB Interrupt Status */
    462 	#define JZ_ISTT		0x400	/* START or RESTART occured */
    463 	#define JZ_ISTP		0x200	/* STOP occured */
    464 	#define JZ_TXABT	0x40	/* ABORT occured */
    465 	#define JZ_TXEMP	0x10	/* TX FIFO is low */
    466 	#define JZ_TXOF		0x08	/* TX FIFO is high */
    467 	#define JZ_RXFL		0x04	/* RX FIFO is at  JZ_SMBRXTL*/
    468 	#define JZ_RXOF		0x02	/* RX FIFO is high */
    469 	#define JZ_RXUF		0x01	/* RX FIFO underflow */
    470 #define JZ_SMBINTM	0x30 /* SMB Interrupt Mask */
    471 #define JZ_SMBRXTL	0x38 /* SMB RxFIFO Threshold */
    472 #define JZ_SMBTXTL	0x3C /* SMB TxFIFO Threshold */
    473 #define JZ_SMBCINT	0x40 /* Clear Interrupts */
    474 	#define JZ_CLEARALL	0x01
    475 #define JZ_SMBCRXUF	0x44 /* Clear RXUF Interrupt */
    476 #define JZ_SMBCRXOF	0x48 /* Clear RX_OVER Interrupt */
    477 #define JZ_SMBCTXOF	0x4C /* Clear TX_OVER Interrupt */
    478 #define JZ_SMBCRXREQ	0x50 /* Clear RDREQ Interrupt */
    479 #define JZ_SMBCTXABT	0x54 /* Clear TX_ABRT Interrupt */
    480 #define JZ_SMBCRXDN	0x58 /* Clear RX_DONE Interrupt */
    481 #define JZ_SMBCACT	0x5c /* Clear ACTIVITY Interrupt */
    482 #define JZ_SMBCSTP	0x60 /* Clear STOP Interrupt */
    483 #define JZ_SMBCSTT	0x64 /* Clear START Interrupt */
    484 #define JZ_SMBCGC	0x68 /* Clear GEN_CALL Interrupt */
    485 #define JZ_SMBENB	0x6C /* SMB Enable */
    486 	#define JZ_ENABLE	0x01
    487 #define JZ_SMBST	0x70 /* SMB Status register */
    488 	#define JZ_SLVACT	0x40 /* slave is active */
    489 	#define JZ_MSTACT	0x20 /* master is active */
    490 	#define JZ_RFF		0x10 /* RX FIFO is full */
    491 	#define JZ_RFNE		0x08 /* RX FIFO not empty */
    492 	#define JZ_TFE		0x04 /* TX FIFO is empty */
    493 	#define JZ_TFNF		0x02 /* TX FIFO is not full */
    494 	#define JZ_ACT		0x01 /* JZ_SLVACT | JZ_MSTACT */
    495 #define JZ_SMBABTSRC	0x80 /* SMB Transmit Abort Status Register */
    496 #define JZ_SMBDMACR	0x88 /* DMA Control Register */
    497 #define JZ_SMBDMATDL	0x8c /* DMA Transmit Data Level */
    498 #define JZ_SMBDMARDL	0x90 /* DMA Receive Data Level */
    499 #define JZ_SMBSDASU	0x94 /* SMB SDA Setup Register */
    500 #define JZ_SMBACKGC	0x98 /* SMB ACK General Call Register */
    501 #define JZ_SMBENBST	0x9C /* SMB Enable Status Register */
    502 #define JZ_SMBSDAHD	0xD0 /* SMB SDA HolD time Register */
    503 	#define JZ_HDENB	0x100	/* enable hold time */
    504 
    505 #endif /* INGENIC_REGS_H */
    506