summaryrefslogtreecommitdiffstats
path: root/arch/sh/boards/board-magicpanelr2.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/boards/board-magicpanelr2.c')
-rw-r--r--arch/sh/boards/board-magicpanelr2.c394
1 files changed, 394 insertions, 0 deletions
diff --git a/arch/sh/boards/board-magicpanelr2.c b/arch/sh/boards/board-magicpanelr2.c
new file mode 100644
index 000000000000..f3b8b07ea5d6
--- /dev/null
+++ b/arch/sh/boards/board-magicpanelr2.c
@@ -0,0 +1,394 @@
+/*
+ * 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/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/map.h>
+#include <asm/magicpanelr2.h>
+#include <asm/heartbeat.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;
+ */
+ ctrl_outw(0x0000, PORT_PRCR); /* 00 00 00 00 00 00 00 00 */
+
+ /* 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 smc911x_resources[] = {
+ [0] = {
+ .start = 0xa8000000,
+ .end = 0xabffffff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 35,
+ .end = 35,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device smc911x_device = {
+ .name = "smc911x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(smc911x_resources),
+ .resource = smc911x_resources,
+};
+
+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,
+ &smc911x_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,
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 11:09:47 +0100