1 /* 2 * linux/arch/sh/boards/hp6xx/setup.c 3 * 4 * Copyright (C) 2002 Andriy Skulysh 5 * Copyright (C) 2007 Kristoffer Ericson <Kristoffer_e1@hotmail.com> 6 * 7 * May be copied or modified under the terms of the GNU General Public 8 * License. See linux/COPYING for more information. 9 * 10 * Setup code for HP620/HP660/HP680/HP690 (internal peripherials only) 11 */ 12 #include <linux/types.h> 13 #include <linux/init.h> 14 #include <linux/platform_device.h> 15 #include <asm/hd64461.h> 16 #include <asm/io.h> 17 #include <asm/irq.h> 18 #include <mach/hp6xx.h> 19 #include <cpu/dac.h> 20 21 #define SCPCR 0xa4000116 22 #define SCPDR 0xa4000136 23 24 /* CF Slot */ 25 static struct resource cf_ide_resources[] = { 26 [0] = { 27 .start = 0x15000000 + 0x1f0, 28 .end = 0x15000000 + 0x1f0 + 0x08 - 0x01, 29 .flags = IORESOURCE_MEM, 30 }, 31 [1] = { 32 .start = 0x15000000 + 0x1fe, 33 .end = 0x15000000 + 0x1fe + 0x01, 34 .flags = IORESOURCE_MEM, 35 }, 36 [2] = { 37 .start = 77, 38 .flags = IORESOURCE_IRQ, 39 }, 40 }; 41 42 static struct platform_device cf_ide_device = { 43 .name = "pata_platform", 44 .id = -1, 45 .num_resources = ARRAY_SIZE(cf_ide_resources), 46 .resource = cf_ide_resources, 47 }; 48 49 static struct platform_device jornadakbd_device = { 50 .name = "jornada680_kbd", 51 .id = -1, 52 }; 53 54 static struct platform_device *hp6xx_devices[] __initdata = { 55 &cf_ide_device, 56 &jornadakbd_device, 57 }; 58 59 static void __init hp6xx_init_irq(void) 60 { 61 /* Gets touchscreen and powerbutton IRQ working */ 62 plat_irq_setup_pins(IRQ_MODE_IRQ); 63 } 64 65 static int __init hp6xx_devices_setup(void) 66 { 67 return platform_add_devices(hp6xx_devices, ARRAY_SIZE(hp6xx_devices)); 68 } 69 70 static void __init hp6xx_setup(char **cmdline_p) 71 { 72 u8 v8; 73 u16 v; 74 75 v = inw(HD64461_STBCR); 76 v |= HD64461_STBCR_SURTST | HD64461_STBCR_SIRST | 77 HD64461_STBCR_STM1ST | HD64461_STBCR_STM0ST | 78 HD64461_STBCR_SAFEST | HD64461_STBCR_SPC0ST | 79 HD64461_STBCR_SMIAST | HD64461_STBCR_SAFECKE_OST| 80 HD64461_STBCR_SAFECKE_IST; 81 #ifndef CONFIG_HD64461_ENABLER 82 v |= HD64461_STBCR_SPC1ST; 83 #endif 84 outw(v, HD64461_STBCR); 85 v = inw(HD64461_GPADR); 86 v |= HD64461_GPADR_SPEAKER | HD64461_GPADR_PCMCIA0; 87 outw(v, HD64461_GPADR); 88 89 outw(HD64461_PCCGCR_VCC0 | HD64461_PCCSCR_VCC1, HD64461_PCC0GCR); 90 91 #ifndef CONFIG_HD64461_ENABLER 92 outw(HD64461_PCCGCR_VCC0 | HD64461_PCCSCR_VCC1, HD64461_PCC1GCR); 93 #endif 94 95 sh_dac_output(0, DAC_SPEAKER_VOLUME); 96 sh_dac_disable(DAC_SPEAKER_VOLUME); 97 v8 = ctrl_inb(DACR); 98 v8 &= ~DACR_DAE; 99 ctrl_outb(v8,DACR); 100 101 v8 = ctrl_inb(SCPDR); 102 v8 |= SCPDR_TS_SCAN_X | SCPDR_TS_SCAN_Y; 103 v8 &= ~SCPDR_TS_SCAN_ENABLE; 104 ctrl_outb(v8, SCPDR); 105 106 v = ctrl_inw(SCPCR); 107 v &= ~SCPCR_TS_MASK; 108 v |= SCPCR_TS_ENABLE; 109 ctrl_outw(v, SCPCR); 110 } 111 device_initcall(hp6xx_devices_setup); 112 113 static struct sh_machine_vector mv_hp6xx __initmv = { 114 .mv_name = "hp6xx", 115 .mv_setup = hp6xx_setup, 116 /* IRQ's : CPU(64) + CCHIP(16) + FREE_TO_USE(6) */ 117 .mv_nr_irqs = HD64461_IRQBASE + HD64461_IRQ_NUM + 6, 118 .mv_irq_demux = hd64461_irq_demux, 119 /* Enable IRQ0 -> IRQ3 in IRQ_MODE */ 120 .mv_init_irq = hp6xx_init_irq, 121 }; 122