Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / arch / arm / mach-omap1 / board-innovator.c
diff --git a/kernel/arch/arm/mach-omap1/board-innovator.c b/kernel/arch/arm/mach-omap1/board-innovator.c
new file mode 100644 (file)
index 0000000..c49ce83
--- /dev/null
@@ -0,0 +1,463 @@
+/*
+ * linux/arch/arm/mach-omap1/board-innovator.c
+ *
+ * Board specific inits for OMAP-1510 and OMAP-1610 Innovator
+ *
+ * Copyright (C) 2001 RidgeRun, Inc.
+ * Author: Greg Lonnon <glonnon@ridgerun.com>
+ *
+ * Copyright (C) 2002 MontaVista Software, Inc.
+ *
+ * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
+ * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/gpio.h>
+#include <linux/kernel.h>
+#include <linux/init.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/input.h>
+#include <linux/smc91x.h>
+#include <linux/omapfb.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/mux.h>
+#include <mach/flash.h>
+#include <mach/tc.h>
+#include <linux/platform_data/keypad-omap.h>
+
+#include <mach/hardware.h>
+#include <mach/usb.h>
+
+#include "iomap.h"
+#include "common.h"
+#include "mmc.h"
+
+/* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
+#define INNOVATOR1610_ETHR_START       0x04000300
+
+static const unsigned int innovator_keymap[] = {
+       KEY(0, 0, KEY_F1),
+       KEY(3, 0, KEY_DOWN),
+       KEY(1, 1, KEY_F2),
+       KEY(2, 1, KEY_RIGHT),
+       KEY(0, 2, KEY_F3),
+       KEY(1, 2, KEY_F4),
+       KEY(2, 2, KEY_UP),
+       KEY(2, 3, KEY_ENTER),
+       KEY(3, 3, KEY_LEFT),
+};
+
+static struct mtd_partition innovator_partitions[] = {
+       /* bootloader (U-Boot, etc) in first sector */
+       {
+             .name             = "bootloader",
+             .offset           = 0,
+             .size             = SZ_128K,
+             .mask_flags       = MTD_WRITEABLE, /* force read-only */
+       },
+       /* bootloader params in the next sector */
+       {
+             .name             = "params",
+             .offset           = MTDPART_OFS_APPEND,
+             .size             = SZ_128K,
+             .mask_flags       = 0,
+       },
+       /* kernel */
+       {
+             .name             = "kernel",
+             .offset           = MTDPART_OFS_APPEND,
+             .size             = SZ_2M,
+             .mask_flags       = 0
+       },
+       /* rest of flash1 is a file system */
+       {
+             .name             = "rootfs",
+             .offset           = MTDPART_OFS_APPEND,
+             .size             = SZ_16M - SZ_2M - 2 * SZ_128K,
+             .mask_flags       = 0
+       },
+       /* file system */
+       {
+             .name             = "filesystem",
+             .offset           = MTDPART_OFS_APPEND,
+             .size             = MTDPART_SIZ_FULL,
+             .mask_flags       = 0
+       }
+};
+
+static struct physmap_flash_data innovator_flash_data = {
+       .width          = 2,
+       .set_vpp        = omap1_set_vpp,
+       .parts          = innovator_partitions,
+       .nr_parts       = ARRAY_SIZE(innovator_partitions),
+};
+
+static struct resource innovator_flash_resource = {
+       .start          = OMAP_CS0_PHYS,
+       .end            = OMAP_CS0_PHYS + SZ_32M - 1,
+       .flags          = IORESOURCE_MEM,
+};
+
+static struct platform_device innovator_flash_device = {
+       .name           = "physmap-flash",
+       .id             = 0,
+       .dev            = {
+               .platform_data  = &innovator_flash_data,
+       },
+       .num_resources  = 1,
+       .resource       = &innovator_flash_resource,
+};
+
+static struct resource innovator_kp_resources[] = {
+       [0] = {
+               .start  = INT_KEYBOARD,
+               .end    = INT_KEYBOARD,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static const struct matrix_keymap_data innovator_keymap_data = {
+       .keymap         = innovator_keymap,
+       .keymap_size    = ARRAY_SIZE(innovator_keymap),
+};
+
+static struct omap_kp_platform_data innovator_kp_data = {
+       .rows           = 8,
+       .cols           = 8,
+       .keymap_data    = &innovator_keymap_data,
+       .delay          = 4,
+};
+
+static struct platform_device innovator_kp_device = {
+       .name           = "omap-keypad",
+       .id             = -1,
+       .dev            = {
+               .platform_data = &innovator_kp_data,
+       },
+       .num_resources  = ARRAY_SIZE(innovator_kp_resources),
+       .resource       = innovator_kp_resources,
+};
+
+static struct smc91x_platdata innovator_smc91x_info = {
+       .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
+       .leda   = RPC_LED_100_10,
+       .ledb   = RPC_LED_TX_RX,
+};
+
+#ifdef CONFIG_ARCH_OMAP15XX
+
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+
+
+/* Only FPGA needs to be mapped here. All others are done with ioremap */
+static struct map_desc innovator1510_io_desc[] __initdata = {
+       {
+               .virtual        = OMAP1510_FPGA_BASE,
+               .pfn            = __phys_to_pfn(OMAP1510_FPGA_START),
+               .length         = OMAP1510_FPGA_SIZE,
+               .type           = MT_DEVICE
+       }
+};
+
+static struct resource innovator1510_smc91x_resources[] = {
+       [0] = {
+               .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
+               .end    = OMAP1510_FPGA_ETHR_START + 0xf,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = OMAP1510_INT_ETHER,
+               .end    = OMAP1510_INT_ETHER,
+               .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+       },
+};
+
+static struct platform_device innovator1510_smc91x_device = {
+       .name           = "smc91x",
+       .id             = 0,
+       .dev    = {
+               .platform_data  = &innovator_smc91x_info,
+       },
+       .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
+       .resource       = innovator1510_smc91x_resources,
+};
+
+static struct platform_device innovator1510_lcd_device = {
+       .name           = "lcd_inn1510",
+       .id             = -1,
+};
+
+static struct platform_device innovator1510_spi_device = {
+       .name           = "spi_inn1510",
+       .id             = -1,
+};
+
+static struct platform_device *innovator1510_devices[] __initdata = {
+       &innovator_flash_device,
+       &innovator1510_smc91x_device,
+       &innovator_kp_device,
+       &innovator1510_lcd_device,
+       &innovator1510_spi_device,
+};
+
+static int innovator_get_pendown_state(void)
+{
+       return !(__raw_readb(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
+}
+
+static const struct ads7846_platform_data innovator1510_ts_info = {
+       .model                  = 7846,
+       .vref_delay_usecs       = 100,  /* internal, no capacitor */
+       .x_plate_ohms           = 419,
+       .y_plate_ohms           = 486,
+       .get_pendown_state      = innovator_get_pendown_state,
+};
+
+static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
+       /* FPGA (bus "10") CS0 has an ads7846e */
+       .modalias               = "ads7846",
+       .platform_data          = &innovator1510_ts_info,
+       .irq                    = OMAP1510_INT_FPGA_TS,
+       .max_speed_hz           = 120000 /* max sample rate at 3V */
+                                       * 26 /* command + data + overhead */,
+       .bus_num                = 10,
+       .chip_select            = 0,
+} };
+
+#endif /* CONFIG_ARCH_OMAP15XX */
+
+#ifdef CONFIG_ARCH_OMAP16XX
+
+static struct resource innovator1610_smc91x_resources[] = {
+       [0] = {
+               .start  = INNOVATOR1610_ETHR_START,             /* Physical */
+               .end    = INNOVATOR1610_ETHR_START + 0xf,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
+       },
+};
+
+static struct platform_device innovator1610_smc91x_device = {
+       .name           = "smc91x",
+       .id             = 0,
+       .dev    = {
+               .platform_data  = &innovator_smc91x_info,
+       },
+       .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
+       .resource       = innovator1610_smc91x_resources,
+};
+
+static struct platform_device innovator1610_lcd_device = {
+       .name           = "inn1610_lcd",
+       .id             = -1,
+};
+
+static struct platform_device *innovator1610_devices[] __initdata = {
+       &innovator_flash_device,
+       &innovator1610_smc91x_device,
+       &innovator_kp_device,
+       &innovator1610_lcd_device,
+};
+
+#endif /* CONFIG_ARCH_OMAP16XX */
+
+static void __init innovator_init_smc91x(void)
+{
+       if (cpu_is_omap1510()) {
+               __raw_writeb(__raw_readb(OMAP1510_FPGA_RST) & ~1,
+                          OMAP1510_FPGA_RST);
+               udelay(750);
+       } else {
+               if (gpio_request(0, "SMC91x irq") < 0) {
+                       printk("Error requesting gpio 0 for smc91x irq\n");
+                       return;
+               }
+       }
+}
+
+#ifdef CONFIG_ARCH_OMAP15XX
+static struct omap_usb_config innovator1510_usb_config __initdata = {
+       /* for bundled non-standard host and peripheral cables */
+       .hmc_mode       = 4,
+
+       .register_host  = 1,
+       .pins[1]        = 6,
+       .pins[2]        = 6,            /* Conflicts with UART2 */
+
+       .register_dev   = 1,
+       .pins[0]        = 2,
+};
+
+static struct omap_lcd_config innovator1510_lcd_config __initdata = {
+       .ctrl_name      = "internal",
+};
+#endif
+
+#ifdef CONFIG_ARCH_OMAP16XX
+static struct omap_usb_config h2_usb_config __initdata = {
+       /* usb1 has a Mini-AB port and external isp1301 transceiver */
+       .otg            = 2,
+
+#if IS_ENABLED(CONFIG_USB_OMAP)
+       .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
+       /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
+#elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+       /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
+       .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
+#endif
+
+       .pins[1]        = 3,
+};
+
+static struct omap_lcd_config innovator1610_lcd_config __initdata = {
+       .ctrl_name      = "internal",
+};
+#endif
+
+#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
+
+static int mmc_set_power(struct device *dev, int slot, int power_on,
+                               int vdd)
+{
+       if (power_on)
+               __raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) | (1 << 3),
+                               OMAP1510_FPGA_POWER);
+       else
+               __raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) & ~(1 << 3),
+                               OMAP1510_FPGA_POWER);
+
+       return 0;
+}
+
+/*
+ * Innovator could use the following functions tested:
+ * - mmc_get_wp that uses OMAP_MPUIO(3)
+ * - mmc_get_cover_state that uses FPGA F4 UIO43
+ */
+static struct omap_mmc_platform_data mmc1_data = {
+       .nr_slots                       = 1,
+       .slots[0]       = {
+               .set_power              = mmc_set_power,
+               .wires                  = 4,
+               .name                   = "mmcblk",
+       },
+};
+
+static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
+
+static void __init innovator_mmc_init(void)
+{
+       mmc_data[0] = &mmc1_data;
+       omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
+}
+
+#else
+static inline void innovator_mmc_init(void)
+{
+}
+#endif
+
+static void __init innovator_init(void)
+{
+       if (cpu_is_omap1510())
+               omap1510_fpga_init_irq();
+       innovator_init_smc91x();
+
+#ifdef CONFIG_ARCH_OMAP15XX
+       if (cpu_is_omap1510()) {
+               unsigned char reg;
+
+               /* mux pins for uarts */
+               omap_cfg_reg(UART1_TX);
+               omap_cfg_reg(UART1_RTS);
+               omap_cfg_reg(UART2_TX);
+               omap_cfg_reg(UART2_RTS);
+               omap_cfg_reg(UART3_TX);
+               omap_cfg_reg(UART3_RX);
+
+               reg = __raw_readb(OMAP1510_FPGA_POWER);
+               reg |= OMAP1510_FPGA_PCR_COM1_EN;
+               __raw_writeb(reg, OMAP1510_FPGA_POWER);
+               udelay(10);
+
+               reg = __raw_readb(OMAP1510_FPGA_POWER);
+               reg |= OMAP1510_FPGA_PCR_COM2_EN;
+               __raw_writeb(reg, OMAP1510_FPGA_POWER);
+               udelay(10);
+
+               platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
+               spi_register_board_info(innovator1510_boardinfo,
+                               ARRAY_SIZE(innovator1510_boardinfo));
+       }
+#endif
+#ifdef CONFIG_ARCH_OMAP16XX
+       if (!cpu_is_omap1510()) {
+               innovator1610_smc91x_resources[1].start = gpio_to_irq(0);
+               innovator1610_smc91x_resources[1].end = gpio_to_irq(0);
+               platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
+       }
+#endif
+
+#ifdef CONFIG_ARCH_OMAP15XX
+       if (cpu_is_omap1510()) {
+               omap1_usb_init(&innovator1510_usb_config);
+               omapfb_set_lcd_config(&innovator1510_lcd_config);
+       }
+#endif
+#ifdef CONFIG_ARCH_OMAP16XX
+       if (cpu_is_omap1610()) {
+               omap1_usb_init(&h2_usb_config);
+               omapfb_set_lcd_config(&innovator1610_lcd_config);
+       }
+#endif
+       omap_serial_init();
+       omap_register_i2c_bus(1, 100, NULL, 0);
+       innovator_mmc_init();
+}
+
+/*
+ * REVISIT: Assume 15xx for now, we don't want to do revision check
+ * until later on. The right way to fix this is to set up a different
+ * machine_id for 16xx Innovator, or use device tree.
+ */
+static void __init innovator_map_io(void)
+{
+#ifdef CONFIG_ARCH_OMAP15XX
+       omap15xx_map_io();
+
+       iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
+       udelay(10);     /* Delay needed for FPGA */
+
+       /* Dump the Innovator FPGA rev early - useful info for support. */
+       pr_debug("Innovator FPGA Rev %d.%d Board Rev %d\n",
+                       __raw_readb(OMAP1510_FPGA_REV_HIGH),
+                       __raw_readb(OMAP1510_FPGA_REV_LOW),
+                       __raw_readb(OMAP1510_FPGA_BOARD_REV));
+#endif
+}
+
+MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
+       /* Maintainer: MontaVista Software, Inc. */
+       .atag_offset    = 0x100,
+       .map_io         = innovator_map_io,
+       .init_early     = omap1_init_early,
+       .init_irq       = omap1_init_irq,
+       .init_machine   = innovator_init,
+       .init_late      = omap1_init_late,
+       .init_time      = omap1_timer_init,
+       .restart        = omap1_restart,
+MACHINE_END