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Openwrt/target/linux/cns3xxx/patches/100-laguna_support.patch
Imre Kaloz 0ace4636db rename 3.1 patches directory as it will be used for newer kernels as well 
SVN-Revision: 30454
2012-02-11 15:59:23 +00:00

993 lines
26 KiB
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--- /dev/null
+++ b/arch/arm/mach-cns3xxx/laguna.c
@@ -0,0 +1,761 @@
+/*
+ * Gateworks Corporation Laguna Platform
+ *
+ * Copyright 2000 Deep Blue Solutions Ltd
+ * Copyright 2008 ARM Limited
+ * Copyright 2008 Cavium Networks
+ * Scott Shu
+ * Copyright 2010 MontaVista Software, LLC.
+ * Anton Vorontsov <avorontsov@mvista.com>
+ * Copyright 2011 Gateworks Corporation
+ * Chris Lang <clang@gateworks.com>
+ *
+ * This file 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/init.h>
+#include <linux/kernel.h>
+#include <linux/compiler.h>
+#include <linux/io.h>
+#include <linux/dma-mapping.h>
+#include <linux/serial_core.h>
+#include <linux/serial_8250.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/partitions.h>
+#include <linux/leds.h>
+#include <linux/i2c.h>
+#include <linux/i2c/at24.h>
+#include <linux/i2c/pca953x.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+#include <linux/if_ether.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+#include <mach/cns3xxx.h>
+#include <mach/irqs.h>
+#include <mach/platform.h>
+#include <mach/pm.h>
+#include "core.h"
+#include "devices.h"
+
+// Config 1 Bitmap
+#define ETH0_LOAD BIT(0)
+#define ETH1_LOAD BIT(1)
+#define ETH2_LOAD BIT(2)
+#define SATA0_LOAD BIT(3)
+#define SATA1_LOAD BIT(4)
+#define PCM_LOAD BIT(5)
+#define I2S_LOAD BIT(6)
+#define SPI0_LOAD BIT(7)
+#define SPI1_LOAD BIT(8)
+#define PCIE0_LOAD BIT(9)
+#define PCIE1_LOAD BIT(10)
+#define USB0_LOAD BIT(11)
+#define USB1_LOAD BIT(12)
+#define USB1_ROUTE BIT(13)
+#define SD_LOAD BIT(14)
+#define UART0_LOAD BIT(15)
+#define UART1_LOAD BIT(16)
+#define UART2_LOAD BIT(17)
+#define MPCI0_LOAD BIT(18)
+#define MPCI1_LOAD BIT(19)
+#define MPCI2_LOAD BIT(20)
+#define MPCI3_LOAD BIT(21)
+#define FP_BUT_LOAD BIT(22)
+#define FP_BUT_HEADER_LOAD BIT(23)
+#define FP_LED_LOAD BIT(24)
+#define FP_LED_HEADER_LOAD BIT(25)
+#define FP_TAMPER_LOAD BIT(26)
+#define HEADER_33V_LOAD BIT(27)
+#define SATA_POWER_LOAD BIT(28)
+#define FP_POWER_LOAD BIT(29)
+#define GPIO_HEADER_LOAD BIT(30)
+#define GSP_BAT_LOAD BIT(31)
+
+// Config 2 Bitmap
+#define FAN_LOAD BIT(0)
+#define SPI_FLASH_LOAD BIT(1)
+#define NOR_FLASH_LOAD BIT(2)
+#define GPS_LOAD BIT(3)
+#define SUPPLY_5V_LOAD BIT(6)
+#define SUPPLY_33V_LOAD BIT(7)
+
+struct laguna_board_info {
+ char model[16];
+ u32 config_bitmap;
+ u32 config2_bitmap;
+ u8 nor_flash_size;
+ u8 spi_flash_size;
+};
+
+static struct laguna_board_info laguna_info __initdata;
+
+/*
+ * NOR Flash
+ */
+static struct mtd_partition laguna_nor_partitions[] = {
+ {
+ .name = "uboot",
+ .size = SZ_256K,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "params",
+ .size = SZ_128K,
+ .offset = SZ_256K,
+ }, {
+ .name = "kernel",
+ .size = SZ_2M,
+ .offset = SZ_256K + SZ_128K,
+ }, {
+ .name = "rootfs",
+ .size = SZ_16M - SZ_256K - SZ_128K - SZ_2M,
+ .offset = SZ_256K + SZ_128K + SZ_2M,
+ },
+};
+
+static struct physmap_flash_data laguna_nor_pdata = {
+ .width = 2,
+ .parts = laguna_nor_partitions,
+ .nr_parts = ARRAY_SIZE(laguna_nor_partitions),
+};
+
+static struct resource laguna_nor_res = {
+ .start = CNS3XXX_FLASH_BASE,
+ .end = CNS3XXX_FLASH_BASE + SZ_128M - 1,
+ .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
+};
+
+static struct platform_device laguna_nor_pdev = {
+ .name = "physmap-flash",
+ .id = 0,
+ .resource = &laguna_nor_res,
+ .num_resources = 1,
+ .dev = {
+ .platform_data = &laguna_nor_pdata,
+ },
+};
+
+/*
+ * SPI
+ */
+static struct mtd_partition laguna_spi_partitions[] = {
+ {
+ .name = "uboot",
+ .size = SZ_256K,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "params",
+ .size = SZ_256K,
+ .offset = SZ_256K,
+ }, {
+ .name = "kernel",
+ .size = SZ_1M + SZ_512K,
+ .offset = SZ_512K,
+ }, {
+ .name = "rootfs",
+ .size = SZ_16M - SZ_2M,
+ .offset = SZ_2M,
+ },
+};
+
+static struct flash_platform_data laguna_spi_pdata = {
+ .parts = laguna_spi_partitions,
+ .nr_parts = ARRAY_SIZE(laguna_spi_partitions),
+};
+
+static struct spi_board_info __initdata laguna_spi_devices[] = {
+ {
+ .modalias = "m25p80",
+ .platform_data = &laguna_spi_pdata,
+ .max_speed_hz = 50000000,
+ .bus_num = 1,
+ .chip_select = 0,
+ },
+};
+
+static struct platform_device laguna_spi_controller = {
+ .name = "cns3xxx_spi",
+};
+
+/*
+ * LED's
+ */
+static struct gpio_led laguna_gpio_leds[] = {
+ {
+ .name = "user1", /* Green Led */
+ .gpio = 115,
+ .active_low = 1,
+ },{
+ .name = "user2", /* Red Led */
+ .gpio = 114,
+ .active_low = 1,
+ },{
+ .name = "pwr1", /* Green Led */
+ .gpio = 116,
+ .active_low = 1,
+ },{
+ .name = "pwr2", /* Yellow Led */
+ .gpio = 117,
+ .active_low = 1,
+ },{
+ .name = "txd1", /* Green Led */
+ .gpio = 118,
+ .active_low = 1,
+ },{
+ .name = "txd2", /* Yellow Led */
+ .gpio = 119,
+ .active_low = 1,
+ },{
+ .name = "rxd1", /* Green Led */
+ .gpio = 120,
+ .active_low = 1,
+ },{
+ .name = "rxd2", /* Yellow Led */
+ .gpio = 121,
+ .active_low = 1,
+ },{
+ .name = "ser1", /* Green Led */
+ .gpio = 122,
+ .active_low = 1,
+ },{
+ .name = "ser2", /* Yellow Led */
+ .gpio = 123,
+ .active_low = 1,
+ },{
+ .name = "enet1", /* Green Led */
+ .gpio = 124,
+ .active_low = 1,
+ },{
+ .name = "enet2", /* Yellow Led */
+ .gpio = 125,
+ .active_low = 1,
+ },{
+ .name = "sig1_1", /* Green Led */
+ .gpio = 126,
+ .active_low = 1,
+ },{
+ .name = "sig1_2", /* Yellow Led */
+ .gpio = 127,
+ .active_low = 1,
+ },{
+ .name = "sig2_1", /* Green Led */
+ .gpio = 128,
+ .active_low = 1,
+ },{
+ .name = "sig2_2", /* Yellow Led */
+ .gpio = 129,
+ .active_low = 1,
+ },{
+ .name = "sig3_1", /* Green Led */
+ .gpio = 130,
+ .active_low = 1,
+ },{
+ .name = "sig3_2", /* Yellow Led */
+ .gpio = 131,
+ .active_low = 1,
+ },{
+ .name = "net1", /*Green Led */
+ .gpio = 109,
+ .active_low = 1,
+ },{
+ .name = "net2", /* Red Led */
+ .gpio = 110,
+ .active_low = 1,
+ },{
+ .name = "mod1", /* Green Led */
+ .gpio = 111,
+ .active_low = 1,
+ },{
+ .name = "mod2", /* Red Led */
+ .gpio = 112,
+ .active_low = 1,
+ },
+};
+
+static struct gpio_led_platform_data laguna_gpio_leds_data = {
+ .num_leds = 22,
+ .leds = laguna_gpio_leds,
+};
+
+static struct platform_device laguna_gpio_leds_device = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev.platform_data = &laguna_gpio_leds_data,
+};
+
+/*
+ * Ethernet
+ */
+static struct cns3xxx_plat_info laguna_net_data = {
+ .ports = 0,
+ .phy = {
+ 0,
+ 1,
+ 2,
+ },
+};
+
+static struct platform_device laguna_net_device = {
+ .name = "cns3xxx_eth",
+ .id = 0,
+ .dev.platform_data = &laguna_net_data,
+};
+
+/*
+ * UART
+ */
+static void __init laguna_early_serial_setup(void)
+{
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+ static struct uart_port laguna_serial_port = {
+ .membase = (void __iomem *)CNS3XXX_UART0_BASE_VIRT,
+ .mapbase = CNS3XXX_UART0_BASE,
+ .irq = IRQ_CNS3XXX_UART0,
+ .iotype = UPIO_MEM,
+ .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE,
+ .regshift = 2,
+ .uartclk = 24000000,
+ .line = 0,
+ .type = PORT_16550A,
+ .fifosize = 16,
+ };
+
+ early_serial_setup(&laguna_serial_port);
+#endif
+}
+
+static struct resource laguna_uart_resources[] = {
+ {
+ .start = CNS3XXX_UART0_BASE,
+ .end = CNS3XXX_UART0_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM
+ },{
+ .start = CNS3XXX_UART2_BASE,
+ .end = CNS3XXX_UART2_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM
+ },{
+ .start = CNS3XXX_UART2_BASE,
+ .end = CNS3XXX_UART2_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM
+ },
+};
+
+static struct plat_serial8250_port laguna_uart_data[] = {
+ {
+ .membase = (char*) (CNS3XXX_UART0_BASE_VIRT),
+ .mapbase = (CNS3XXX_UART0_BASE),
+ .irq = IRQ_CNS3XXX_UART0,
+ .iotype = UPIO_MEM,
+ .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST,
+ .regshift = 2,
+ .uartclk = 24000000,
+ .type = PORT_16550A,
+ },{
+ .membase = (char*) (CNS3XXX_UART1_BASE_VIRT),
+ .mapbase = (CNS3XXX_UART1_BASE),
+ .irq = IRQ_CNS3XXX_UART1,
+ .iotype = UPIO_MEM,
+ .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST,
+ .regshift = 2,
+ .uartclk = 24000000,
+ .type = PORT_16550A,
+ },{
+ .membase = (char*) (CNS3XXX_UART2_BASE_VIRT),
+ .mapbase = (CNS3XXX_UART2_BASE),
+ .irq = IRQ_CNS3XXX_UART2,
+ .iotype = UPIO_MEM,
+ .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST,
+ .regshift = 2,
+ .uartclk = 24000000,
+ .type = PORT_16550A,
+ },
+};
+
+static struct platform_device laguna_uart = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev.platform_data = laguna_uart_data,
+ .num_resources = 3,
+ .resource = laguna_uart_resources
+};
+
+/*
+ * USB
+ */
+static struct resource cns3xxx_usb_ehci_resources[] = {
+ [0] = {
+ .start = CNS3XXX_USB_BASE,
+ .end = CNS3XXX_USB_BASE + SZ_16M - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_CNS3XXX_USB_EHCI,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 cns3xxx_usb_ehci_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device cns3xxx_usb_ehci_device = {
+ .name = "cns3xxx-ehci",
+ .num_resources = ARRAY_SIZE(cns3xxx_usb_ehci_resources),
+ .resource = cns3xxx_usb_ehci_resources,
+ .dev = {
+ .dma_mask = &cns3xxx_usb_ehci_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
+static struct resource cns3xxx_usb_ohci_resources[] = {
+ [0] = {
+ .start = CNS3XXX_USB_OHCI_BASE,
+ .end = CNS3XXX_USB_OHCI_BASE + SZ_16M - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_CNS3XXX_USB_OHCI,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 cns3xxx_usb_ohci_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device cns3xxx_usb_ohci_device = {
+ .name = "cns3xxx-ohci",
+ .num_resources = ARRAY_SIZE(cns3xxx_usb_ohci_resources),
+ .resource = cns3xxx_usb_ohci_resources,
+ .dev = {
+ .dma_mask = &cns3xxx_usb_ohci_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
+static struct resource cns3xxx_usb_otg_resources[] = {
+ [0] = {
+ .start = CNS3XXX_USBOTG_BASE,
+ .end = CNS3XXX_USBOTG_BASE + SZ_16M - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_CNS3XXX_USB_OTG,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 cns3xxx_usb_otg_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device cns3xxx_usb_otg_device = {
+ .name = "dwc_otg",
+ .num_resources = ARRAY_SIZE(cns3xxx_usb_otg_resources),
+ .resource = cns3xxx_usb_otg_resources,
+ .dev = {
+ .dma_mask = &cns3xxx_usb_otg_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
+/*
+ * I2C
+ */
+static struct resource laguna_i2c_resource[] = {
+ {
+ .start = CNS3XXX_SSP_BASE + 0x20,
+ .end = 0x7100003f,
+ .flags = IORESOURCE_MEM,
+ },{
+ .start = IRQ_CNS3XXX_I2C,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device laguna_i2c_controller = {
+ .name = "cns3xxx-i2c",
+ .num_resources = 2,
+ .resource = laguna_i2c_resource,
+};
+
+static struct memory_accessor *at24_mem_acc;
+
+static void at24_setup(struct memory_accessor *mem_acc, void *context)
+{
+ char buf[8];
+
+ at24_mem_acc = mem_acc;
+
+ /* Read MAC addresses */
+ if (at24_mem_acc->read(at24_mem_acc, buf, 0x100, 6) == 6)
+ memcpy(&laguna_net_data.hwaddr[0], buf, ETH_ALEN);
+ if (at24_mem_acc->read(at24_mem_acc, buf, 0x106, 6) == 6)
+ memcpy(&laguna_net_data.hwaddr[1], buf, ETH_ALEN);
+ if (at24_mem_acc->read(at24_mem_acc, buf, 0x10C, 6) == 6)
+ memcpy(&laguna_net_data.hwaddr[2], buf, ETH_ALEN);
+ if (at24_mem_acc->read(at24_mem_acc, buf, 0x112, 6) == 6)
+ memcpy(&laguna_net_data.hwaddr[3], buf, ETH_ALEN);
+
+ /* Read out Model Information */
+ if (at24_mem_acc->read(at24_mem_acc, buf, 0x130, 16) == 16)
+ memcpy(&laguna_info.model, buf, 16);
+ if (at24_mem_acc->read(at24_mem_acc, buf, 0x140, 1) == 1)
+ memcpy(&laguna_info.nor_flash_size, buf, 1);
+ if (at24_mem_acc->read(at24_mem_acc, buf, 0x141, 1) == 1)
+ memcpy(&laguna_info.spi_flash_size, buf, 1);
+ if (at24_mem_acc->read(at24_mem_acc, buf, 0x142, 4) == 4)
+ memcpy(&laguna_info.config_bitmap, buf, 4);
+ if (at24_mem_acc->read(at24_mem_acc, buf, 0x146, 4) == 4)
+ memcpy(&laguna_info.config2_bitmap, buf, 4);
+};
+
+static struct at24_platform_data laguna_eeprom_info = {
+ .byte_len = 1024,
+ .page_size = 16,
+ .flags = AT24_FLAG_READONLY,
+ .setup = at24_setup,
+};
+
+static struct pca953x_platform_data laguna_pca_data = {
+ .gpio_base = 100,
+ .irq_base = -1,
+};
+
+static struct pca953x_platform_data laguna_pca2_data = {
+ .gpio_base = 116,
+ .irq_base = -1,
+};
+
+static struct i2c_board_info __initdata laguna_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("pca9555", 0x23),
+ .platform_data = &laguna_pca_data,
+ },{
+ I2C_BOARD_INFO("pca9555", 0x27),
+ .platform_data = &laguna_pca2_data,
+ },{
+ I2C_BOARD_INFO("gsp", 0x29),
+ },{
+ I2C_BOARD_INFO ("24c08",0x50),
+ .platform_data = &laguna_eeprom_info,
+ },{
+ I2C_BOARD_INFO("ds1672", 0x68),
+ },
+};
+
+/*
+ * Watchdog
+ */
+
+static struct resource laguna_watchdog_resources[] = {
+ [0] = {
+ .start = CNS3XXX_TC11MP_TWD_BASE,
+ .end = CNS3XXX_TC11MP_TWD_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_LOCALWDOG,
+ .end = IRQ_LOCALWDOG,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct platform_device laguna_watchdog = {
+ .name = "mpcore_wdt",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(laguna_watchdog_resources),
+ .resource = laguna_watchdog_resources,
+};
+
+/*
+ * Initialization
+ */
+
+static void __init laguna_init(void)
+{
+ cns3xxx_l2x0_init();
+
+ platform_device_register(&laguna_watchdog);
+
+ platform_device_register(&laguna_i2c_controller);
+
+ i2c_register_board_info(0, laguna_i2c_devices,
+ ARRAY_SIZE(laguna_i2c_devices));
+
+ pm_power_off = cns3xxx_power_off;
+}
+
+static struct map_desc laguna_io_desc[] __initdata = {
+ {
+ .virtual = CNS3XXX_UART0_BASE_VIRT,
+ .pfn = __phys_to_pfn(CNS3XXX_UART0_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ },{
+ .virtual = CNS3XXX_UART1_BASE_VIRT,
+ .pfn = __phys_to_pfn(CNS3XXX_UART1_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ },{
+ .virtual = CNS3XXX_UART2_BASE_VIRT,
+ .pfn = __phys_to_pfn(CNS3XXX_UART2_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ },
+};
+
+static void __init laguna_map_io(void)
+{
+ cns3xxx_map_io();
+ iotable_init(laguna_io_desc, ARRAY_SIZE(laguna_io_desc));
+ laguna_early_serial_setup();
+}
+
+static int __init laguna_model_setup(void)
+{
+ u32 __iomem *mem;
+ u32 reg;
+ u8 pcie_bitmap = 0;
+
+ printk("Running on Gateworks Laguna %s\n", laguna_info.model);
+
+ if (strncmp(laguna_info.model, "GW", 2) == 0) {
+ if (laguna_info.config_bitmap & ETH0_LOAD)
+ laguna_net_data.ports |= BIT(0);
+ if (laguna_info.config_bitmap & ETH1_LOAD)
+ laguna_net_data.ports |= BIT(1);
+ if (laguna_info.config_bitmap & ETH2_LOAD)
+ laguna_net_data.ports |= BIT(2);
+ if (laguna_net_data.ports)
+ platform_device_register(&laguna_net_device);
+
+ if ((laguna_info.config_bitmap & SATA0_LOAD) ||
+ (laguna_info.config_bitmap & SATA1_LOAD))
+ cns3xxx_ahci_init();
+
+ if (laguna_info.config_bitmap & (PCIE0_LOAD))
+ pcie_bitmap |= 0x1;
+
+ if (laguna_info.config_bitmap & (PCIE1_LOAD))
+ pcie_bitmap |= 0x2;
+
+ cns3xxx_pcie_init(pcie_bitmap);
+
+ if (laguna_info.config_bitmap & (USB0_LOAD)) {
+ cns3xxx_pwr_power_up(1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_USB);
+
+ /* DRVVBUS pins share with GPIOA */
+ mem = (void __iomem *)(CNS3XXX_MISC_BASE_VIRT + 0x0014);
+ reg = __raw_readl(mem);
+ reg |= 0x8;
+ __raw_writel(reg, mem);
+
+ /* Enable OTG */
+ mem = (void __iomem *)(CNS3XXX_MISC_BASE_VIRT + 0x0808);
+ reg = __raw_readl(mem);
+ reg &= ~(1 << 10);
+ __raw_writel(reg, mem);
+
+ platform_device_register(&cns3xxx_usb_otg_device);
+ }
+
+ if (laguna_info.config_bitmap & (USB1_LOAD)) {
+ platform_device_register(&cns3xxx_usb_ehci_device);
+ platform_device_register(&cns3xxx_usb_ohci_device);
+ }
+
+ if (laguna_info.config_bitmap & (SD_LOAD))
+ cns3xxx_sdhci_init();
+
+ if (laguna_info.config_bitmap & (UART0_LOAD))
+ laguna_uart.num_resources = 1;
+ if (laguna_info.config_bitmap & (UART1_LOAD))
+ laguna_uart.num_resources = 2;
+ if (laguna_info.config_bitmap & (UART2_LOAD))
+ laguna_uart.num_resources = 3;
+ platform_device_register(&laguna_uart);
+
+ if (laguna_info.config2_bitmap & (NOR_FLASH_LOAD)) {
+ switch (laguna_info.nor_flash_size) {
+ case 1:
+ laguna_nor_partitions[3].size = SZ_8M - SZ_256K - SZ_128K - SZ_2M;
+ laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_8M - 1;
+ break;
+ case 2:
+ laguna_nor_partitions[3].size = SZ_16M - SZ_256K - SZ_128K - SZ_2M;
+ laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_16M - 1;
+ break;
+ case 3:
+ laguna_nor_partitions[3].size = SZ_32M - SZ_256K - SZ_128K - SZ_2M;
+ laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_32M - 1;
+ break;
+ case 4:
+ laguna_nor_partitions[3].size = SZ_64M - SZ_256K - SZ_128K - SZ_2M;
+ laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_64M - 1;
+ break;
+ case 5:
+ laguna_nor_partitions[3].size = SZ_128M - SZ_256K - SZ_128K - SZ_2M;
+ laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_128M - 1;
+ break;
+ }
+ platform_device_register(&laguna_nor_pdev);
+ }
+
+ if (laguna_info.config2_bitmap & (SPI_FLASH_LOAD)) {
+ switch (laguna_info.spi_flash_size) {
+ case 1:
+ laguna_spi_partitions[3].size = SZ_4M - SZ_2M;
+ break;
+ case 2:
+ laguna_spi_partitions[3].size = SZ_8M - SZ_2M;
+ break;
+ case 3:
+ laguna_spi_partitions[3].size = SZ_16M - SZ_2M;
+ break;
+ case 4:
+ laguna_spi_partitions[3].size = SZ_32M - SZ_2M;
+ break;
+ case 5:
+ laguna_spi_partitions[3].size = SZ_64M - SZ_2M;
+ break;
+ }
+ spi_register_board_info(laguna_spi_devices, ARRAY_SIZE(laguna_spi_devices));
+ }
+
+ if ((laguna_info.config_bitmap & SPI0_LOAD) ||
+ (laguna_info.config_bitmap & SPI1_LOAD))
+ platform_device_register(&laguna_spi_controller);
+
+ /*
+ * Do any model specific setup not known by the bitmap by matching
+ * the first 6 characters of the model name
+ */
+
+ if (strncmp(laguna_info.model, "GW2388", 6) == 0) {
+ laguna_gpio_leds_data.num_leds = 2;
+ } else if (strncmp(laguna_info.model, "GW2380", 6) == 0) {
+ laguna_gpio_leds[0].gpio = 107;
+ laguna_gpio_leds[1].gpio = 106;
+ laguna_gpio_leds_data.num_leds = 2;
+ }
+ platform_device_register(&laguna_gpio_leds_device);
+ } else {
+ // Do some defaults here, not sure what yet
+ }
+ return 0;
+}
+
+late_initcall(laguna_model_setup);
+
+MACHINE_START(GW2388, "Gateworks Corporation Laguna Platform")
+ .boot_params = 0x00000100,
+ .map_io = laguna_map_io,
+ .init_irq = cns3xxx_init_irq,
+ .timer = &cns3xxx_timer,
+ .init_machine = laguna_init,
+MACHINE_END
--- a/arch/arm/mach-cns3xxx/Kconfig
+++ b/arch/arm/mach-cns3xxx/Kconfig
@@ -11,4 +11,14 @@ config MACH_CNS3420VB
This is a platform with an on-board ARM11 MPCore and has support
for USB, USB-OTG, MMC/SD/SDIO, SATA, PCI-E, etc.
+config MACH_GW2388
+ bool "Support for Gateworks Laguna Platform"
+ select HAVE_ARM_SCU if SMP
+ select MIGHT_HAVE_PCI
+ help
+ Include support for the Gateworks Laguna Platform
+
+ This is a platform with an on-board ARM11 MPCore and has support
+ for USB, USB-OTG, MMC/SD/SDIO, SATA, PCI-E, I2C, GIG, etc.
+
endmenu
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -16,6 +16,7 @@
#include <asm/mach/time.h>
#include <asm/mach/irq.h>
#include <asm/hardware/gic.h>
+#include <asm/smp_twd.h>
#include <asm/hardware/cache-l2x0.h>
#include <mach/cns3xxx.h>
#include "core.h"
@@ -61,11 +62,24 @@ static struct map_desc cns3xxx_io_desc[]
.pfn = __phys_to_pfn(CNS3XXX_PM_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
+ }, {
+ .virtual = CNS3XXX_SWITCH_BASE_VIRT,
+ .pfn = __phys_to_pfn(CNS3XXX_SWITCH_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = CNS3XXX_SSP_BASE_VIRT,
+ .pfn = __phys_to_pfn(CNS3XXX_SSP_BASE),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
},
};
void __init cns3xxx_map_io(void)
{
+#ifdef CONFIG_LOCAL_TIMERS
+ twd_base = (void __iomem *) CNS3XXX_TC11MP_TWD_BASE_VIRT;
+#endif
iotable_init(cns3xxx_io_desc, ARRAY_SIZE(cns3xxx_io_desc));
}
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -329,6 +329,7 @@ config ARCH_CLPS711X
config ARCH_CNS3XXX
bool "Cavium Networks CNS3XXX family"
select CPU_V6K
+ select ARCH_WANT_OPTIONAL_GPIOLIB
select GENERIC_CLOCKEVENTS
select ARM_GIC
select MIGHT_HAVE_PCI
--- /dev/null
+++ b/arch/arm/mach-cns3xxx/include/mach/gpio.h
@@ -0,0 +1,98 @@
+/*
+ * arch/arm/mach-cns3xxx/include/mach/gpio.h
+ *
+ * CNS3xxx GPIO wrappers for arch-neutral GPIO calls
+ *
+ * Copyright 2011 Gateworks Corporation
+ * Chris Lang <clang@gateworks.com>
+ *
+ * Based on IXP implementation by Milan Svoboda <msvoboda@ra.rockwell.com>
+ * Based on PXA implementation by Philipp Zabel <philipp.zabel@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ASM_ARCH_CNS3XXX_GPIO_H
+#define __ASM_ARCH_CNS3XXX_GPIO_H
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <mach/platform.h>
+#include <asm-generic/gpio.h> /* cansleep wrappers */
+
+#define NR_BUILTIN_GPIO 64
+
+#define CNS3XXX_GPIO_IN 0x0
+#define CNS3XXX_GPIO_OUT 0x1
+
+#define CNS3XXX_GPIO_LO 0
+#define CNS3XXX_GPIO_HI 1
+
+#define CNS3XXX_GPIO_OUTPUT 0x00
+#define CNS3XXX_GPIO_INPUT 0x04
+#define CNS3XXX_GPIO_DIR 0x08
+#define CNS3XXX_GPIO_SET 0x10
+#define CNS3XXX_GPIO_CLEAR 0x14
+
+static inline void gpio_line_get(u8 line, int *value)
+{
+ if (line < 32)
+ *value = ((__raw_readl(CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_INPUT) >> line) & 0x1);
+ else
+ *value = ((__raw_readl(CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_INPUT) >> (line - 32)) & 0x1);
+}
+
+static inline void gpio_line_set(u8 line, int value)
+{
+ if (line < 32) {
+ if (value)
+ __raw_writel((1 << line), CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_SET);
+ else
+ __raw_writel((1 << line), CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_CLEAR);
+ } else {
+ if (value)
+ __raw_writel((1 << line), CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_SET);
+ else
+ __raw_writel((1 << line), CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_CLEAR);
+ }
+}
+
+static inline int gpio_get_value(unsigned gpio)
+{
+ if (gpio < NR_BUILTIN_GPIO)
+ {
+ int value;
+ gpio_line_get(gpio, &value);
+ return value;
+ }
+ else
+ return __gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+ if (gpio < NR_BUILTIN_GPIO)
+ gpio_line_set(gpio, value);
+ else
+ __gpio_set_value(gpio, value);
+}
+
+#define gpio_cansleep __gpio_cansleep
+
+extern int gpio_to_irq(int gpio);
+extern int irq_to_gpio(int gpio);
+
+#endif
--- a/arch/arm/mach-cns3xxx/Makefile
+++ b/arch/arm/mach-cns3xxx/Makefile
@@ -1,6 +1,7 @@
obj-$(CONFIG_ARCH_CNS3XXX) += core.o pm.o devices.o
obj-$(CONFIG_PCI) += pcie.o
obj-$(CONFIG_MACH_CNS3420VB) += cns3420vb.o
+obj-$(CONFIG_MACH_GW2388) += laguna.o
obj-$(CONFIG_SMP) += platsmp.o headsmp.o
obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
obj-$(CONFIG_LOCAL_TIMERS) += localtimer.o
--- a/arch/arm/mach-cns3xxx/pcie.c
+++ b/arch/arm/mach-cns3xxx/pcie.c
@@ -365,7 +365,7 @@ static int cns3xxx_pcie_abort_handler(un
return 0;
}
-static int __init cns3xxx_pcie_init(void)
+int cns3xxx_pcie_init(u8 bitmap)
{
int i;
@@ -376,6 +376,9 @@ static int __init cns3xxx_pcie_init(void
"imprecise external abort");
for (i = 0; i < ARRAY_SIZE(cns3xxx_pcie); i++) {
+ if (!(bitmap & (1 << i)))
+ continue;
+
iotable_init(cns3xxx_pcie[i].cfg_bases,
ARRAY_SIZE(cns3xxx_pcie[i].cfg_bases));
cns3xxx_pcie_check_link(&cns3xxx_pcie[i]);
@@ -387,4 +390,3 @@ static int __init cns3xxx_pcie_init(void
return 0;
}
-device_initcall(cns3xxx_pcie_init);
--- a/arch/arm/mach-cns3xxx/cns3420vb.c
+++ b/arch/arm/mach-cns3xxx/cns3420vb.c
@@ -31,6 +31,7 @@
#include <asm/mach/time.h>
#include <mach/cns3xxx.h>
#include <mach/irqs.h>
+#include <mach/platform.h>
#include "core.h"
#include "devices.h"
@@ -198,6 +199,8 @@ static void __init cns3420_init(void)
cns3xxx_ahci_init();
cns3xxx_sdhci_init();
+ cns3xxx_pcie_init(0x3);
+
pm_power_off = cns3xxx_power_off;
}
--- a/arch/arm/mach-cns3xxx/core.h
+++ b/arch/arm/mach-cns3xxx/core.h
@@ -12,6 +12,7 @@
#define __CNS3XXX_CORE_H
extern struct sys_timer cns3xxx_timer;
+extern int cns3xxx_pcie_init(u8 bitmap);
#ifdef CONFIG_CACHE_L2X0
void __init cns3xxx_l2x0_init(void);
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