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      1 /*	$NetBSD: wzero3_machdep.c,v 1.2 2011/06/23 12:40:32 nonaka Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994-1998 Mark Brinicombe.
      5  * Copyright (c) 1994 Brini.
      6  * All rights reserved.
      7  *
      8  * This code is derived from software written for Brini by Mark Brinicombe
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *      This product includes software developed by Brini.
     21  * 4. The name of the company nor the name of the author may be used to
     22  *    endorse or promote products derived from this software without specific
     23  *    prior written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
     26  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     27  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     28  * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
     29  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     30  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     35  * SUCH DAMAGE.
     36  */
     37 
     38 #include <sys/cdefs.h>
     39 __KERNEL_RCSID(0, "$NetBSD: wzero3_machdep.c,v 1.2 2011/06/23 12:40:32 nonaka Exp $");
     40 
     41 #include <sys/systm.h>
     42 #include <sys/param.h>
     43 #include <sys/termios.h>
     44 
     45 #include <uvm/uvm.h>
     46 
     47 #include <machine/bootconfig.h>
     48 #include <machine/bootinfo.h>
     49 #include <machine/platid.h>
     50 #include <machine/platid_mask.h>
     51 
     52 #include <arm/xscale/pxa2x0reg.h>
     53 #include <arm/xscale/pxa2x0var.h>
     54 #include <arm/xscale/pxa2x0_gpio.h>
     55 
     56 #include "com.h"
     57 #if (NCOM > 0)
     58 #include "opt_com.h"
     59 #include <dev/ic/comvar.h>
     60 #endif	/* NCOM > 0 */
     61 #include "lcd.h"
     62 #include "wzero3lcd.h"
     63 
     64 #if (NCOM > 0) && defined(COM_PXA2X0)
     65 #ifndef	CONSPEED
     66 #define	CONSPEED 9600
     67 #endif
     68 #ifndef	CONMODE
     69 #define	CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
     70 #endif
     71 
     72 int comcnspeed = CONSPEED;
     73 int comcnmode = CONMODE;
     74 
     75 #if defined(HWUARTCONSOLE)
     76 #define	CONADDR	PXA2X0_HWUART_BASE
     77 #elsif defined(BTUARTCONSOLE)
     78 #define	CONADDR	PXA2X0_BTUART_BASE
     79 #elsif defined(STUARTCONSOLE)
     80 #define	CONADDR	PXA2X0_STUART_BASE
     81 #else
     82 #define	CONADDR	PXA2X0_FFUART_BASE
     83 #endif
     84 
     85 bus_addr_t comcnaddr = CONADDR;
     86 #endif	/* NCOM > 0 && COM_PXA2X0 */
     87 
     88 const struct pmap_devmap machdep_devmap[] = { { 0, 0, 0, 0, 0, } };
     89 
     90 void pxa2x0_machdep_init(void);
     91 
     92 
     93 static void
     94 ws003sh_cpu_reset(void)
     95 {
     96 	uint32_t rv;
     97 
     98 	rv = pxa2x0_memctl_read(MEMCTL_MSC0);
     99 	if ((rv & 0xffff0000) == 0x7ff00000) {
    100 		pxa2x0_memctl_write(MEMCTL_MSC0, (rv & 0xffff) | 0x7ee00000);
    101 	}
    102 
    103 	pxa2x0_gpio_set_function(89, GPIO_OUT | GPIO_SET);
    104 	for (;;)
    105 		continue;
    106 }
    107 
    108 static struct pxa2x0_gpioconf ws003sh_boarddep_gpioconf[] = {
    109 	/* FFUART */
    110 	{  98, GPIO_ALT_FN_3_OUT },	/* FFRTS */
    111 	{  99, GPIO_ALT_FN_3_OUT },	/* FFTXD */
    112 	/* SSP3 */
    113 	{  34, GPIO_ALT_FN_3_OUT },	/* SSPSCLK3 */
    114 	{  38, GPIO_ALT_FN_1_OUT },	/* SSPTXD3 */
    115 	{  82, GPIO_ALT_FN_1_IN },	/* SSPRXD3 */
    116 
    117 	{ -1 }
    118 };
    119 
    120 static struct pxa2x0_gpioconf ws007sh_boarddep_gpioconf[] = {
    121 	/* FFUART */
    122 	{  98, GPIO_ALT_FN_3_OUT },	/* FFRTS */
    123 	{  99, GPIO_ALT_FN_3_OUT },	/* FFTXD */
    124 	/* SSP2 */
    125 	{  19, GPIO_ALT_FN_1_OUT },	/* SSPSCLK2 */
    126 	{  86, GPIO_ALT_FN_1_IN },	/* SSPRXD2 */
    127 	{  87, GPIO_ALT_FN_1_OUT },	/* SSPTXD2 */
    128 	/* SSP3 */
    129 	{  38, GPIO_ALT_FN_1_OUT },	/* SSPTXD3 */
    130 	{  52, GPIO_ALT_FN_2_OUT },	/* SSPSCLK3 */
    131 	{  89, GPIO_ALT_FN_1_IN },	/* SSPRXD3 */
    132 
    133 	{ -1 }
    134 };
    135 
    136 static struct pxa2x0_gpioconf ws011sh_boarddep_gpioconf[] = {
    137 	/* FFUART */
    138 	{  98, GPIO_ALT_FN_3_OUT },	/* FFRTS */
    139 	{  99, GPIO_ALT_FN_3_OUT },	/* FFTXD */
    140 	/* SSP2 */
    141 	{  19, GPIO_ALT_FN_1_OUT },	/* SSPSCLK2 */
    142 	{  86, GPIO_ALT_FN_1_IN },	/* SSPRXD2 */
    143 	{  87, GPIO_ALT_FN_1_OUT },	/* SSPTXD2 */
    144 
    145 	{ -1 }
    146 };
    147 
    148 static struct pxa2x0_gpioconf *ws003sh_gpioconf[] = {
    149 	pxa27x_com_ffuart_gpioconf,
    150 	pxa27x_pxamci_gpioconf,
    151 	pxa27x_ohci_gpioconf,
    152 	ws003sh_boarddep_gpioconf,
    153 	NULL
    154 };
    155 
    156 static struct pxa2x0_gpioconf *ws007sh_gpioconf[] = {
    157 	pxa27x_com_ffuart_gpioconf,
    158 	pxa27x_pxamci_gpioconf,
    159 	pxa27x_ohci_gpioconf,
    160 	ws007sh_boarddep_gpioconf,
    161 	NULL
    162 };
    163 
    164 static struct pxa2x0_gpioconf *ws011sh_gpioconf[] = {
    165 	pxa27x_com_ffuart_gpioconf,
    166 	pxa27x_pxamci_gpioconf,
    167 	pxa27x_ohci_gpioconf,
    168 	ws011sh_boarddep_gpioconf,
    169 	NULL
    170 };
    171 
    172 void
    173 pxa2x0_machdep_init(void)
    174 {
    175 	extern void (*__cpu_reset)(void);
    176 	extern BootConfig bootconfig;		/* Boot config storage */
    177 
    178 	if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS003SH)
    179 	 || platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS004SH)) {
    180 		pxa2x0_gpio_config(ws003sh_gpioconf);
    181 		__cpu_reset = ws003sh_cpu_reset;
    182 	} else if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS007SH)) {
    183 		pxa2x0_gpio_config(ws007sh_gpioconf);
    184 	} else if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS011SH)) {
    185 		pxa2x0_gpio_config(ws011sh_gpioconf);
    186 	}
    187 	pxa2x0_clkman_config(CKEN_FFUART, 1);
    188 	pxa2x0_clkman_config(CKEN_OST, 1);
    189 	pxa2x0_clkman_config(CKEN_USBHC, 0);
    190 	pxa2x0_clkman_config(CKEN_USBDC, 0);
    191 	pxa2x0_clkman_config(CKEN_AC97, 0);
    192 	pxa2x0_clkman_config(CKEN_SSP, 0);
    193 	pxa2x0_clkman_config(CKEN_HWUART, 0);
    194 	pxa2x0_clkman_config(CKEN_STUART, 0);
    195 	pxa2x0_clkman_config(CKEN_BTUART, 0);
    196 	pxa2x0_clkman_config(CKEN_I2S, 0);
    197 	pxa2x0_clkman_config(CKEN_MMC, 0);
    198 	pxa2x0_clkman_config(CKEN_FICP, 0);
    199 	pxa2x0_clkman_config(CKEN_I2C, 0);
    200 	pxa2x0_clkman_config(CKEN_PWM1, 0);
    201 	if (!platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS011SH)) {
    202 		pxa2x0_clkman_config(CKEN_PWM0, 0); /* WS011SH: DON'T DISABLE */
    203 	}
    204 
    205 	if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS003SH)
    206 	 || platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS004SH)
    207 	 || platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS007SH)) {
    208 		bootconfig.dram[0].pages = 16384; /* 64MiB */
    209 	} else
    210 	if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS011SH)
    211 	 || platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS020SH)) {
    212 		bootconfig.dram[0].pages = 32768; /* 128MiB */
    213 	}
    214 }
    215 
    216 void
    217 consinit(void)
    218 {
    219 	static int consinit_called = 0;
    220 
    221 	if (consinit_called != 0)
    222 		return;
    223 
    224 	consinit_called = 1;
    225 
    226 	if (bootinfo->bi_cnuse == BI_CNUSE_SERIAL) {
    227 #if (NCOM > 0) && defined(COM_PXA2X0)
    228 		comcnattach(&pxa2x0_a4x_bs_tag, comcnaddr, comcnspeed,
    229 		    PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode);
    230 #endif
    231 	} else {
    232 #if (NLCD > 0)
    233 #if NWZERO3LCD > 0
    234 		extern void wzero3lcd_cnattach(void);
    235 		wzero3lcd_cnattach();
    236 		return;
    237 #endif
    238 #endif
    239 	}
    240 }
    241