Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Renesas Technology Sales RTS7751R2D Support.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (C) 2002 - 2006 Atom Create Engineering Co., Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Copyright (C) 2004 - 2007 Paul Mundt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/mtd/mtd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/mtd/partitions.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/mtd/physmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/ata_platform.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/sm501.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/sm501-regs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/pm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/fb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <linux/spi/spi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <linux/spi/spi_bitbang.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <asm/machvec.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <mach/r2d.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include <asm/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <asm/io_trapped.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include <asm/spi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) static struct resource cf_ide_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	[0] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 		.start	= PA_AREA5_IO + 0x1000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 		.end	= PA_AREA5_IO + 0x1000 + 0x10 - 0x2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 		.flags	= IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	[1] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 		.start	= PA_AREA5_IO + 0x80c,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 		.end	= PA_AREA5_IO + 0x80c,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 		.flags	= IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) #ifndef CONFIG_RTS7751R2D_1 /* For R2D-1 polling is preferred */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	[2] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 		.start	= IRQ_CF_IDE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 		.flags	= IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) static struct pata_platform_info pata_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	.ioport_shift	= 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) static struct platform_device cf_ide_device  = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	.name		= "pata_platform",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	.id		= -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	.num_resources	= ARRAY_SIZE(cf_ide_resources),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	.resource	= cf_ide_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	.dev	= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 		.platform_data	= &pata_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) static struct spi_board_info spi_bus[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		.modalias	= "rtc-r9701",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		.max_speed_hz	= 1000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		.mode		= SPI_MODE_3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) static void r2d_chip_select(struct sh_spi_info *spi, int cs, int state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	BUG_ON(cs != 0);  /* Single Epson RTC-9701JE attached on CS0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	__raw_writew(state == BITBANG_CS_ACTIVE, PA_RTCCE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) static struct sh_spi_info spi_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	.num_chipselect = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	.chip_select = r2d_chip_select,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) static struct resource spi_sh_sci_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		.start	= 0xffe00000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 		.end	= 0xffe0001f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 		.flags	= IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) static struct platform_device spi_sh_sci_device  = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	.name		= "spi_sh_sci",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	.id		= -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	.num_resources	= ARRAY_SIZE(spi_sh_sci_resources),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	.resource	= spi_sh_sci_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	.dev	= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		.platform_data	= &spi_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) static struct resource heartbeat_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	[0] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 		.start	= PA_OUTPORT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 		.end	= PA_OUTPORT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 		.flags	= IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) static struct platform_device heartbeat_device = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	.name		= "heartbeat",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	.id		= -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	.num_resources	= ARRAY_SIZE(heartbeat_resources),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	.resource	= heartbeat_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) static struct resource sm501_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	[0]	= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		.start	= 0x10000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 		.end	= 0x13e00000 - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 		.flags	= IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	[1]	= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 		.start	= 0x13e00000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 		.end	= 0x13ffffff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 		.flags	= IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	[2]	= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 		.start	= IRQ_VOYAGER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 		.flags	= IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static struct fb_videomode sm501_default_mode = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	.pixclock	= 35714,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	.xres		= 640,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	.yres		= 480,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	.left_margin	= 105,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	.right_margin	= 50,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	.upper_margin	= 35,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	.lower_margin	= 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	.hsync_len	= 96,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	.vsync_len	= 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) static struct sm501_platdata_fbsub sm501_pdata_fbsub_pnl = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	.def_bpp	= 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	.def_mode	= &sm501_default_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	.flags		= SM501FB_FLAG_USE_INIT_MODE |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 			  SM501FB_FLAG_USE_HWCURSOR |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 			  SM501FB_FLAG_USE_HWACCEL |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 			  SM501FB_FLAG_DISABLE_AT_EXIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) static struct sm501_platdata_fbsub sm501_pdata_fbsub_crt = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	.flags		= (SM501FB_FLAG_USE_INIT_MODE |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 			   SM501FB_FLAG_USE_HWCURSOR |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 			   SM501FB_FLAG_USE_HWACCEL |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 			   SM501FB_FLAG_DISABLE_AT_EXIT),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) static struct sm501_platdata_fb sm501_fb_pdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	.fb_route	= SM501_FB_OWN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	.fb_crt		= &sm501_pdata_fbsub_crt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	.fb_pnl		= &sm501_pdata_fbsub_pnl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	.flags		= SM501_FBPD_SWAP_FB_ENDIAN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) static struct sm501_initdata sm501_initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	.devices	= SM501_USE_USB_HOST | SM501_USE_UART0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) static struct sm501_platdata sm501_platform_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	.init		= &sm501_initdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	.fb		= &sm501_fb_pdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) static struct platform_device sm501_device = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	.name		= "sm501",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	.id		= -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	.dev		= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 		.platform_data	= &sm501_platform_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	.num_resources	= ARRAY_SIZE(sm501_resources),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	.resource	= sm501_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) static struct mtd_partition r2d_partitions[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 		.name		= "U-Boot",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 		.offset		= 0x00000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		.size		= 0x00040000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		.mask_flags	= MTD_WRITEABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		.name		= "Environment",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		.offset		= MTDPART_OFS_NXTBLK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		.size		= 0x00040000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 		.mask_flags	= MTD_WRITEABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		.name		= "Kernel",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		.offset		= MTDPART_OFS_NXTBLK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		.size		= 0x001c0000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 		.name		= "Flash_FS",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 		.offset		= MTDPART_OFS_NXTBLK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 		.size		= MTDPART_SIZ_FULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) static struct physmap_flash_data flash_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	.width		= 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	.nr_parts	= ARRAY_SIZE(r2d_partitions),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	.parts		= r2d_partitions,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) static struct resource flash_resource = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	.start		= 0x00000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	.end		= 0x02000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	.flags		= IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) static struct platform_device flash_device = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	.name		= "physmap-flash",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	.id		= -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	.resource	= &flash_resource,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	.num_resources	= 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	.dev		= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 		.platform_data = &flash_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) static struct platform_device *rts7751r2d_devices[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	&sm501_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	&heartbeat_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	&spi_sh_sci_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)  * The CF is connected with a 16-bit bus where 8-bit operations are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)  * unsupported. The linux ata driver is however using 8-bit operations, so
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)  * insert a trapped io filter to convert 8-bit operations into 16-bit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) static struct trapped_io cf_trapped_io = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	.resource		= cf_ide_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	.num_resources		= 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	.minimum_bus_width	= 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) static int __init rts7751r2d_devices_setup(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	if (register_trapped_io(&cf_trapped_io) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 		platform_device_register(&cf_ide_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	if (mach_is_r2d_plus())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 		platform_device_register(&flash_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	spi_register_board_info(spi_bus, ARRAY_SIZE(spi_bus));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	return platform_add_devices(rts7751r2d_devices,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 				    ARRAY_SIZE(rts7751r2d_devices));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) device_initcall(rts7751r2d_devices_setup);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) static void rts7751r2d_power_off(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	__raw_writew(0x0001, PA_POWOFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)  * Initialize the board
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) static void __init rts7751r2d_setup(char **cmdline_p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	void __iomem *sm501_reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	u16 ver = __raw_readw(PA_VERREG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	printk(KERN_INFO "FPGA version:%d (revision:%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 					(ver >> 4) & 0xf, ver & 0xf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	__raw_writew(0x0000, PA_OUTPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	pm_power_off = rts7751r2d_power_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	/* sm501 dram configuration:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	 * ColSizeX = 11 - External Memory Column Size: 256 words.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	 * APX = 1 - External Memory Active to Pre-Charge Delay: 7 clocks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	 * RstX = 1 - External Memory Reset: Normal.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	 * Rfsh = 1 - Local Memory Refresh to Command Delay: 12 clocks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	 * BwC =  1 - Local Memory Block Write Cycle Time: 2 clocks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	 * BwP =  1 - Local Memory Block Write to Pre-Charge Delay: 1 clock.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	 * AP = 1 - Internal Memory Active to Pre-Charge Delay: 7 clocks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	 * Rst = 1 - Internal Memory Reset: Normal.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	 * RA = 1 - Internal Memory Remain in Active State: Do not remain.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	sm501_reg = (void __iomem *)0xb3e00000 + SM501_DRAM_CONTROL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	writel(readl(sm501_reg) | 0x00f107c0, sm501_reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)  * The Machine Vector
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) static struct sh_machine_vector mv_rts7751r2d __initmv = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 	.mv_name		= "RTS7751R2D",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 	.mv_setup		= rts7751r2d_setup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 	.mv_init_irq		= init_rts7751r2d_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 	.mv_irq_demux		= rts7751r2d_irq_demux,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) };