diff options
Diffstat (limited to 'kernel/arch/sh/boards/board-magicpanelr2.c')
| -rw-r--r-- | kernel/arch/sh/boards/board-magicpanelr2.c | 393 |
1 files changed, 393 insertions, 0 deletions
diff --git a/kernel/arch/sh/boards/board-magicpanelr2.c b/kernel/arch/sh/boards/board-magicpanelr2.c new file mode 100644 index 000000000..20500858b --- /dev/null +++ b/kernel/arch/sh/boards/board-magicpanelr2.c @@ -0,0 +1,393 @@ +/* + * 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/regulator/fixed.h> +#include <linux/regulator/machine.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 <linux/sh_intc.h> +#include <mach/magicpanelr2.h> +#include <asm/heartbeat.h> +#include <cpu/sh7720.h> + +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x"), + REGULATOR_SUPPLY("vdd33a", "smsc911x"), +}; + +#define LAN9115_READY (__raw_readl(0xA8000084UL) & 0x00000001UL) + +/* 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 */ + __raw_writel(0x36db0400, CS2BCR); + /* (SW:1.5 WR:3 HW:1.5), ext. wait */ + __raw_writel(0x000003c0, CS2WCR); + + /* CS4: CAN1 (0xb0000000 - 0xb3ffffff) */ + /* no idle cycles, normal space, 8 bit data bus */ + __raw_writel(0x00000200, CS4BCR); + /* (SW:1.5 WR:3 HW:1.5), ext. wait */ + __raw_writel(0x00100981, CS4WCR); + + /* CS5a: CAN2 (0xb4000000 - 0xb5ffffff) */ + /* no idle cycles, normal space, 8 bit data bus */ + __raw_writel(0x00000200, CS5ABCR); + /* (SW:1.5 WR:3 HW:1.5), ext. wait */ + __raw_writel(0x00100981, CS5AWCR); + + /* CS5b: CAN3 (0xb6000000 - 0xb7ffffff) */ + /* no idle cycles, normal space, 8 bit data bus */ + __raw_writel(0x00000200, CS5BBCR); + /* (SW:1.5 WR:3 HW:1.5), ext. wait */ + __raw_writel(0x00100981, CS5BWCR); + + /* CS6a: Rotary (0xb8000000 - 0xb9ffffff) */ + /* no idle cycles, normal space, 8 bit data bus */ + __raw_writel(0x00000200, CS6ABCR); + /* (SW:1.5 WR:3 HW:1.5), no ext. wait */ + __raw_writel(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); + */ + __raw_writew(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); + */ + __raw_writew(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; + */ + __raw_writew(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); + */ + __raw_writew(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; + */ + __raw_writew(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); + */ + __raw_writew(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); + */ + __raw_writew(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; + */ + __raw_writew(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; + */ + __raw_writew(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) + */ + __raw_writew(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); + */ + __raw_writew(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); + */ + __raw_writew(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 + __raw_writeb(0x30, PORT_PMDR); +#elif CONFIG_SH_MAGIC_PANEL_R2_VERSION == 3 + __raw_writeb(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) + */ + __raw_writew(0x0100, PORT_PPCR); /* 00 00 00 01 00 00 00 00 */ + __raw_writeb(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; + */ + __raw_writew(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) + */ + __raw_writew(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; + */ + __raw_writew(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); + */ + __raw_writew(0x0142, PORT_PVCR); /* 00 00 00 01 01 00 00 10 */ +} + +static void __init mpr2_setup(char **cmdline_p) +{ + /* set Pin Select Register A: + * /PCC_CD1, /PCC_CD2, PCC_BVD1, PCC_BVD2, + * /IOIS16, IRQ4, IRQ5, USB1d_SUSPEND + */ + __raw_writew(0xAABC, PORT_PSELA); + /* set Pin Select Register B: + * /SCIF0_RTS, /SCIF0_CTS, LCD_VCPWC, + * LCD_VEPWC, IIC_SDA, IIC_SCL, Reserved + */ + __raw_writew(0x3C00, PORT_PSELB); + /* set Pin Select Register C: + * SIOF1_SCK, SIOF1_RxD, SCIF1_RxD, SCIF1_TxD, Reserved + */ + __raw_writew(0x0000, PORT_PSELC); + /* set Pin Select Register D: Reserved, SIOF1_TxD, Reserved, SIOF1_MCLK, + * Reserved, SIOF1_SYNC, Reserved, SCIF1_SCK, Reserved + */ + __raw_writew(0x0000, PORT_PSELD); + /* set USB TxRx Control: Reserved, DRV, Reserved, USB_TRANS, USB_SEL */ + __raw_writew(0x0101, PORT_UTRCTL); + /* set USB Clock Control: USSCS, USSTB, Reserved (HighByte always A5) */ + __raw_writew(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 = evt2irq(0x660), + .end = evt2irq(0x660), + .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 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 = { + .parts = mpr2_partitions, + .nr_parts = ARRAY_SIZE(mpr2_partitions), + .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, + }, +}; + +/* + * 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) +{ + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + + 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 */ + + irq_set_irq_type(evt2irq(0x600), IRQ_TYPE_LEVEL_LOW); /* IRQ0 CAN1 */ + irq_set_irq_type(evt2irq(0x620), IRQ_TYPE_LEVEL_LOW); /* IRQ1 CAN2 */ + irq_set_irq_type(evt2irq(0x640), IRQ_TYPE_LEVEL_LOW); /* IRQ2 CAN3 */ + irq_set_irq_type(evt2irq(0x660), IRQ_TYPE_LEVEL_LOW); /* IRQ3 SMSC9115 */ + irq_set_irq_type(evt2irq(0x680), IRQ_TYPE_EDGE_RISING); /* IRQ4 touchscreen */ + irq_set_irq_type(evt2irq(0x6a0), IRQ_TYPE_EDGE_FALLING); /* IRQ5 touchscreen */ + + intc_set_priority(evt2irq(0x600), 13); /* IRQ0 CAN1 */ + intc_set_priority(evt2irq(0x620), 13); /* IRQ0 CAN2 */ + intc_set_priority(evt2irq(0x640), 13); /* IRQ0 CAN3 */ + intc_set_priority(evt2irq(0x660), 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, +}; |