/* * linux/arch/sh/boards/magicpanel/setup.c * * Copyright (C) 2007 Markus Brunner, Mark Jonas * * Magic Panel Release 2 board setup * * 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. */ #include <linux/init.h> #include <linux/irq.h> #include <linux/platform_device.h> #include <linux/delay.h> #include <linux/gpio.h> #include <linux/smsc911x.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> #include <linux/mtd/map.h> #include <mach/magicpanelr2.h> #include <asm/heartbeat.h> #include <cpu/sh7720.h> #define LAN9115_READY (ctrl_inl(0xA8000084UL) & 0x00000001UL) /* Prefer cmdline over RedBoot */ static const char *probes[] = { "cmdlinepart", "RedBoot", NULL }; /* Wait until reset finished. Timeout is 100ms. */ static int __init ethernet_reset_finished(void) { int i; if (LAN9115_READY) return 1; for (i = 0; i < 10; ++i) { mdelay(10); if (LAN9115_READY) return 1; } return 0; } static void __init reset_ethernet(void) { /* PMDR: LAN_RESET=on */ CLRBITS_OUTB(0x10, PORT_PMDR); udelay(200); /* PMDR: LAN_RESET=off */ SETBITS_OUTB(0x10, PORT_PMDR); } static void __init setup_chip_select(void) { /* CS2: LAN (0x08000000 - 0x0bffffff) */ /* no idle cycles, normal space, 8 bit data bus */ ctrl_outl(0x36db0400, CS2BCR); /* (SW:1.5 WR:3 HW:1.5), ext. wait */ ctrl_outl(0x000003c0, CS2WCR); /* CS4: CAN1 (0xb0000000 - 0xb3ffffff) */ /* no idle cycles, normal space, 8 bit data bus */ ctrl_outl(0x00000200, CS4BCR); /* (SW:1.5 WR:3 HW:1.5), ext. wait */ ctrl_outl(0x00100981, CS4WCR); /* CS5a: CAN2 (0xb4000000 - 0xb5ffffff) */ /* no idle cycles, normal space, 8 bit data bus */ ctrl_outl(0x00000200, CS5ABCR); /* (SW:1.5 WR:3 HW:1.5), ext. wait */ ctrl_outl(0x00100981, CS5AWCR); /* CS5b: CAN3 (0xb6000000 - 0xb7ffffff) */ /* no idle cycles, normal space, 8 bit data bus */ ctrl_outl(0x00000200, CS5BBCR); /* (SW:1.5 WR:3 HW:1.5), ext. wait */ ctrl_outl(0x00100981, CS5BWCR); /* CS6a: Rotary (0xb8000000 - 0xb9ffffff) */ /* no idle cycles, normal space, 8 bit data bus */ ctrl_outl(0x00000200, CS6ABCR); /* (SW:1.5 WR:3 HW:1.5), no ext. wait */ ctrl_outl(0x001009C1, CS6AWCR); } static void __init setup_port_multiplexing(void) { /* A7 GPO(LED8); A6 GPO(LED7); A5 GPO(LED6); A4 GPO(LED5); * A3 GPO(LED4); A2 GPO(LED3); A1 GPO(LED2); A0 GPO(LED1); */ ctrl_outw(0x5555, PORT_PACR); /* 01 01 01 01 01 01 01 01 */ /* B7 GPO(RST4); B6 GPO(RST3); B5 GPO(RST2); B4 GPO(RST1); * B3 GPO(PB3); B2 GPO(PB2); B1 GPO(PB1); B0 GPO(PB0); */ ctrl_outw(0x5555, PORT_PBCR); /* 01 01 01 01 01 01 01 01 */ /* C7 GPO(PC7); C6 GPO(PC6); C5 GPO(PC5); C4 GPO(PC4); * C3 LCD_DATA3; C2 LCD_DATA2; C1 LCD_DATA1; C0 LCD_DATA0; */ ctrl_outw(0x5500, PORT_PCCR); /* 01 01 01 01 00 00 00 00 */ /* D7 GPO(PD7); D6 GPO(PD6); D5 GPO(PD5); D4 GPO(PD4); * D3 GPO(PD3); D2 GPO(PD2); D1 GPO(PD1); D0 GPO(PD0); */ ctrl_outw(0x5555, PORT_PDCR); /* 01 01 01 01 01 01 01 01 */ /* E7 (x); E6 GPI(nu); E5 GPI(nu); E4 LCD_M_DISP; * E3 LCD_CL1; E2 LCD_CL2; E1 LCD_DON; E0 LCD_FLM; */ ctrl_outw(0x3C00, PORT_PECR); /* 00 11 11 00 00 00 00 00 */ /* F7 (x); F6 DA1(VLCD); F5 DA0(nc); F4 AN3; * F3 AN2(MID_AD); F2 AN1(EARTH_AD); F1 AN0(TEMP); F0 GPI+(nc); */ ctrl_outw(0x0002, PORT_PFCR); /* 00 00 00 00 00 00 00 10 */ /* G7 (x); G6 IRQ5(TOUCH_BUSY); G5 IRQ4(TOUCH_IRQ); G4 GPI(KEY2); * G3 GPI(KEY1); G2 GPO(LED11); G1 GPO(LED10); G0 GPO(LED9); */ ctrl_outw(0x03D5, PORT_PGCR); /* 00 00 00 11 11 01 01 01 */ /* H7 (x); H6 /RAS(BRAS); H5 /CAS(BCAS); H4 CKE(BCKE); * H3 GPO(EARTH_OFF); H2 GPO(EARTH_TEST); H1 USB2_PWR; H0 USB1_PWR; */ ctrl_outw(0x0050, PORT_PHCR); /* 00 00 00 00 01 01 00 00 */ /* J7 (x); J6 AUDCK; J5 ASEBRKAK; J4 AUDATA3; * J3 AUDATA2; J2 AUDATA1; J1 AUDATA0; J0 AUDSYNC; */ ctrl_outw(0x0000, PORT_PJCR); /* 00 00 00 00 00 00 00 00 */ /* K7 (x); K6 (x); K5 (x); K4 (x); * K3 PINT7(/PWR2); K2 PINT6(/PWR1); K1 PINT5(nu); K0 PINT4(FLASH_READY) */ ctrl_outw(0x00FF, PORT_PKCR); /* 00 00 00 00 11 11 11 11 */ /* L7 TRST; L6 TMS; L5 TDO; L4 TDI; * L3 TCK; L2 (x); L1 (x); L0 (x); */ ctrl_outw(0x0000, PORT_PLCR); /* 00 00 00 00 00 00 00 00 */ /* M7 GPO(CURRENT_SINK); M6 GPO(PWR_SWITCH); M5 GPO(LAN_SPEED); * M4 GPO(LAN_RESET); M3 GPO(BUZZER); M2 GPO(LCD_BL); * M1 CS5B(CAN3_CS); M0 GPI+(nc); */ ctrl_outw(0x5552, PORT_PMCR); /* 01 01 01 01 01 01 00 10 */ /* CURRENT_SINK=off, PWR_SWITCH=off, LAN_SPEED=100MBit, * LAN_RESET=off, BUZZER=off, LCD_BL=off */ #if CONFIG_SH_MAGIC_PANEL_R2_VERSION == 2 ctrl_outb(0x30, PORT_PMDR); #elif CONFIG_SH_MAGIC_PANEL_R2_VERSION == 3 ctrl_outb(0xF0, PORT_PMDR); #else #error Unknown revision of PLATFORM_MP_R2 #endif /* P7 (x); P6 (x); P5 (x); * P4 GPO(nu); P3 IRQ3(LAN_IRQ); P2 IRQ2(CAN3_IRQ); * P1 IRQ1(CAN2_IRQ); P0 IRQ0(CAN1_IRQ) */ ctrl_outw(0x0100, PORT_PPCR); /* 00 00 00 01 00 00 00 00 */ ctrl_outb(0x10, PORT_PPDR); /* R7 A25; R6 A24; R5 A23; R4 A22; * R3 A21; R2 A20; R1 A19; R0 A0; */ gpio_request(GPIO_FN_A25, NULL); gpio_request(GPIO_FN_A24, NULL); gpio_request(GPIO_FN_A23, NULL); gpio_request(GPIO_FN_A22, NULL); gpio_request(GPIO_FN_A21, NULL); gpio_request(GPIO_FN_A20, NULL); gpio_request(GPIO_FN_A19, NULL); gpio_request(GPIO_FN_A0, NULL); /* S7 (x); S6 (x); S5 (x); S4 GPO(EEPROM_CS2); * S3 GPO(EEPROM_CS1); S2 SIOF0_TXD; S1 SIOF0_RXD; S0 SIOF0_SCK; */ ctrl_outw(0x0140, PORT_PSCR); /* 00 00 00 01 01 00 00 00 */ /* T7 (x); T6 (x); T5 (x); T4 COM1_CTS; * T3 COM1_RTS; T2 COM1_TXD; T1 COM1_RXD; T0 GPO(WDOG) */ ctrl_outw(0x0001, PORT_PTCR); /* 00 00 00 00 00 00 00 01 */ /* U7 (x); U6 (x); U5 (x); U4 GPI+(/AC_FAULT); * U3 GPO(TOUCH_CS); U2 TOUCH_TXD; U1 TOUCH_RXD; U0 TOUCH_SCK; */ ctrl_outw(0x0240, PORT_PUCR); /* 00 00 00 10 01 00 00 00 */ /* V7 (x); V6 (x); V5 (x); V4 GPO(MID2); * V3 GPO(MID1); V2 CARD_TxD; V1 CARD_RxD; V0 GPI+(/BAT_FAULT); */ ctrl_outw(0x0142, PORT_PVCR); /* 00 00 00 01 01 00 00 10 */ } static void __init mpr2_setup(char **cmdline_p) { __set_io_port_base(0xa0000000); /* set Pin Select Register A: * /PCC_CD1, /PCC_CD2, PCC_BVD1, PCC_BVD2, * /IOIS16, IRQ4, IRQ5, USB1d_SUSPEND */ ctrl_outw(0xAABC, PORT_PSELA); /* set Pin Select Register B: * /SCIF0_RTS, /SCIF0_CTS, LCD_VCPWC, * LCD_VEPWC, IIC_SDA, IIC_SCL, Reserved */ ctrl_outw(0x3C00, PORT_PSELB); /* set Pin Select Register C: * SIOF1_SCK, SIOF1_RxD, SCIF1_RxD, SCIF1_TxD, Reserved */ ctrl_outw(0x0000, PORT_PSELC); /* set Pin Select Register D: Reserved, SIOF1_TxD, Reserved, SIOF1_MCLK, * Reserved, SIOF1_SYNC, Reserved, SCIF1_SCK, Reserved */ ctrl_outw(0x0000, PORT_PSELD); /* set USB TxRx Control: Reserved, DRV, Reserved, USB_TRANS, USB_SEL */ ctrl_outw(0x0101, PORT_UTRCTL); /* set USB Clock Control: USSCS, USSTB, Reserved (HighByte always A5) */ ctrl_outw(0xA5C0, PORT_UCLKCR_W); setup_chip_select(); setup_port_multiplexing(); reset_ethernet(); printk(KERN_INFO "Magic Panel Release 2 A.%i\n", CONFIG_SH_MAGIC_PANEL_R2_VERSION); if (ethernet_reset_finished() == 0) printk(KERN_WARNING "Ethernet not ready\n"); } static struct resource smsc911x_resources[] = { [0] = { .start = 0xa8000000, .end = 0xabffffff, .flags = IORESOURCE_MEM, }, [1] = { .start = 35, .end = 35, .flags = IORESOURCE_IRQ, }, }; static struct smsc911x_platform_config smsc911x_config = { .phy_interface = PHY_INTERFACE_MODE_MII, .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, .flags = SMSC911X_USE_32BIT, }; static struct platform_device smsc911x_device = { .name = "smsc911x", .id = -1, .num_resources = ARRAY_SIZE(smsc911x_resources), .resource = smsc911x_resources, .dev = { .platform_data = &smsc911x_config, }, }; static struct resource heartbeat_resources[] = { [0] = { .start = PA_LED, .end = PA_LED, .flags = IORESOURCE_MEM, }, }; static struct heartbeat_data heartbeat_data = { .flags = HEARTBEAT_INVERTED, }; static struct platform_device heartbeat_device = { .name = "heartbeat", .id = -1, .dev = { .platform_data = &heartbeat_data, }, .num_resources = ARRAY_SIZE(heartbeat_resources), .resource = heartbeat_resources, }; static struct mtd_partition *parsed_partitions; static struct mtd_partition mpr2_partitions[] = { /* Reserved for bootloader, read-only */ { .name = "Bootloader", .offset = 0x00000000UL, .size = MPR2_MTD_BOOTLOADER_SIZE, .mask_flags = MTD_WRITEABLE, }, /* Reserved for kernel image */ { .name = "Kernel", .offset = MTDPART_OFS_NXTBLK, .size = MPR2_MTD_KERNEL_SIZE, }, /* Rest is used for Flash FS */ { .name = "Flash_FS", .offset = MTDPART_OFS_NXTBLK, .size = MTDPART_SIZ_FULL, } }; static struct physmap_flash_data flash_data = { .width = 2, }; static struct resource flash_resource = { .start = 0x00000000, .end = 0x2000000UL, .flags = IORESOURCE_MEM, }; static struct platform_device flash_device = { .name = "physmap-flash", .id = -1, .resource = &flash_resource, .num_resources = 1, .dev = { .platform_data = &flash_data, }, }; static struct mtd_info *flash_mtd; static struct map_info mpr2_flash_map = { .name = "Magic Panel R2 Flash", .size = 0x2000000UL, .bankwidth = 2, }; static void __init set_mtd_partitions(void) { int nr_parts = 0; simple_map_init(&mpr2_flash_map); flash_mtd = do_map_probe("cfi_probe", &mpr2_flash_map); nr_parts = parse_mtd_partitions(flash_mtd, probes, &parsed_partitions, 0); /* If there is no partition table, used the hard coded table */ if (nr_parts <= 0) { flash_data.parts = mpr2_partitions; flash_data.nr_parts = ARRAY_SIZE(mpr2_partitions); } else { flash_data.nr_parts = nr_parts; flash_data.parts = parsed_partitions; } } /* * Add all resources to the platform_device */ static struct platform_device *mpr2_devices[] __initdata = { &heartbeat_device, &smsc911x_device, &flash_device, }; static int __init mpr2_devices_setup(void) { set_mtd_partitions(); return platform_add_devices(mpr2_devices, ARRAY_SIZE(mpr2_devices)); } device_initcall(mpr2_devices_setup); /* * Initialize IRQ setting */ static void __init init_mpr2_IRQ(void) { plat_irq_setup_pins(IRQ_MODE_IRQ); /* install handlers for IRQ0-5 */ set_irq_type(32, IRQ_TYPE_LEVEL_LOW); /* IRQ0 CAN1 */ set_irq_type(33, IRQ_TYPE_LEVEL_LOW); /* IRQ1 CAN2 */ set_irq_type(34, IRQ_TYPE_LEVEL_LOW); /* IRQ2 CAN3 */ set_irq_type(35, IRQ_TYPE_LEVEL_LOW); /* IRQ3 SMSC9115 */ set_irq_type(36, IRQ_TYPE_EDGE_RISING); /* IRQ4 touchscreen */ set_irq_type(37, IRQ_TYPE_EDGE_FALLING); /* IRQ5 touchscreen */ intc_set_priority(32, 13); /* IRQ0 CAN1 */ intc_set_priority(33, 13); /* IRQ0 CAN2 */ intc_set_priority(34, 13); /* IRQ0 CAN3 */ intc_set_priority(35, 6); /* IRQ3 SMSC9115 */ } /* * The Machine Vector */ static struct sh_machine_vector mv_mpr2 __initmv = { .mv_name = "mpr2", .mv_setup = mpr2_setup, .mv_init_irq = init_mpr2_IRQ, };