| /* |
| * arch/arm/mach-orion5x/kurobox_pro-setup.c |
| * |
| * Maintainer: Ronen Shitrit <rshitrit@marvell.com> |
| * |
| * This file is licensed under the terms of the GNU General Public |
| * License version 2. This program is licensed "as is" without any |
| * warranty of any kind, whether express or implied. |
| */ |
| #include <linux/gpio.h> |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/platform_device.h> |
| #include <linux/pci.h> |
| #include <linux/irq.h> |
| #include <linux/delay.h> |
| #include <linux/mtd/physmap.h> |
| #include <linux/mtd/rawnand.h> |
| #include <linux/mv643xx_eth.h> |
| #include <linux/i2c.h> |
| #include <linux/serial_reg.h> |
| #include <linux/ata_platform.h> |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/pci.h> |
| #include <linux/platform_data/mtd-orion_nand.h> |
| #include "common.h" |
| #include "mpp.h" |
| #include "orion5x.h" |
| |
| /***************************************************************************** |
| * KUROBOX-PRO Info |
| ****************************************************************************/ |
| |
| /* |
| * 256K NOR flash Device bus boot chip select |
| */ |
| |
| #define KUROBOX_PRO_NOR_BOOT_BASE 0xf4000000 |
| #define KUROBOX_PRO_NOR_BOOT_SIZE SZ_256K |
| |
| /* |
| * 256M NAND flash on Device bus chip select 1 |
| */ |
| |
| #define KUROBOX_PRO_NAND_BASE 0xfc000000 |
| #define KUROBOX_PRO_NAND_SIZE SZ_2M |
| |
| /***************************************************************************** |
| * 256MB NAND Flash on Device bus CS0 |
| ****************************************************************************/ |
| |
| static struct mtd_partition kurobox_pro_nand_parts[] = { |
| { |
| .name = "uImage", |
| .offset = 0, |
| .size = SZ_4M, |
| }, { |
| .name = "rootfs", |
| .offset = SZ_4M, |
| .size = SZ_64M, |
| }, { |
| .name = "extra", |
| .offset = SZ_4M + SZ_64M, |
| .size = SZ_256M - (SZ_4M + SZ_64M), |
| }, |
| }; |
| |
| static struct resource kurobox_pro_nand_resource = { |
| .flags = IORESOURCE_MEM, |
| .start = KUROBOX_PRO_NAND_BASE, |
| .end = KUROBOX_PRO_NAND_BASE + KUROBOX_PRO_NAND_SIZE - 1, |
| }; |
| |
| static struct orion_nand_data kurobox_pro_nand_data = { |
| .parts = kurobox_pro_nand_parts, |
| .nr_parts = ARRAY_SIZE(kurobox_pro_nand_parts), |
| .cle = 0, |
| .ale = 1, |
| .width = 8, |
| }; |
| |
| static struct platform_device kurobox_pro_nand_flash = { |
| .name = "orion_nand", |
| .id = -1, |
| .dev = { |
| .platform_data = &kurobox_pro_nand_data, |
| }, |
| .resource = &kurobox_pro_nand_resource, |
| .num_resources = 1, |
| }; |
| |
| /***************************************************************************** |
| * 256KB NOR Flash on BOOT Device |
| ****************************************************************************/ |
| |
| static struct physmap_flash_data kurobox_pro_nor_flash_data = { |
| .width = 1, |
| }; |
| |
| static struct resource kurobox_pro_nor_flash_resource = { |
| .flags = IORESOURCE_MEM, |
| .start = KUROBOX_PRO_NOR_BOOT_BASE, |
| .end = KUROBOX_PRO_NOR_BOOT_BASE + KUROBOX_PRO_NOR_BOOT_SIZE - 1, |
| }; |
| |
| static struct platform_device kurobox_pro_nor_flash = { |
| .name = "physmap-flash", |
| .id = 0, |
| .dev = { |
| .platform_data = &kurobox_pro_nor_flash_data, |
| }, |
| .num_resources = 1, |
| .resource = &kurobox_pro_nor_flash_resource, |
| }; |
| |
| /***************************************************************************** |
| * PCI |
| ****************************************************************************/ |
| |
| static int __init kurobox_pro_pci_map_irq(const struct pci_dev *dev, u8 slot, |
| u8 pin) |
| { |
| int irq; |
| |
| /* |
| * Check for devices with hard-wired IRQs. |
| */ |
| irq = orion5x_pci_map_irq(dev, slot, pin); |
| if (irq != -1) |
| return irq; |
| |
| /* |
| * PCI isn't used on the Kuro |
| */ |
| return -1; |
| } |
| |
| static struct hw_pci kurobox_pro_pci __initdata = { |
| .nr_controllers = 2, |
| .setup = orion5x_pci_sys_setup, |
| .scan = orion5x_pci_sys_scan_bus, |
| .map_irq = kurobox_pro_pci_map_irq, |
| }; |
| |
| static int __init kurobox_pro_pci_init(void) |
| { |
| if (machine_is_kurobox_pro()) { |
| orion5x_pci_disable(); |
| pci_common_init(&kurobox_pro_pci); |
| } |
| |
| return 0; |
| } |
| |
| subsys_initcall(kurobox_pro_pci_init); |
| |
| /***************************************************************************** |
| * Ethernet |
| ****************************************************************************/ |
| |
| static struct mv643xx_eth_platform_data kurobox_pro_eth_data = { |
| .phy_addr = MV643XX_ETH_PHY_ADDR(8), |
| }; |
| |
| /***************************************************************************** |
| * RTC 5C372a on I2C bus |
| ****************************************************************************/ |
| static struct i2c_board_info __initdata kurobox_pro_i2c_rtc = { |
| I2C_BOARD_INFO("rs5c372a", 0x32), |
| }; |
| |
| /***************************************************************************** |
| * SATA |
| ****************************************************************************/ |
| static struct mv_sata_platform_data kurobox_pro_sata_data = { |
| .n_ports = 2, |
| }; |
| |
| /***************************************************************************** |
| * Kurobox Pro specific power off method via UART1-attached microcontroller |
| ****************************************************************************/ |
| |
| #define UART1_REG(x) (UART1_VIRT_BASE + ((UART_##x) << 2)) |
| |
| static int kurobox_pro_miconread(unsigned char *buf, int count) |
| { |
| int i; |
| int timeout; |
| |
| for (i = 0; i < count; i++) { |
| timeout = 10; |
| |
| while (!(readl(UART1_REG(LSR)) & UART_LSR_DR)) { |
| if (--timeout == 0) |
| break; |
| udelay(1000); |
| } |
| |
| if (timeout == 0) |
| break; |
| buf[i] = readl(UART1_REG(RX)); |
| } |
| |
| /* return read bytes */ |
| return i; |
| } |
| |
| static int kurobox_pro_miconwrite(const unsigned char *buf, int count) |
| { |
| int i = 0; |
| |
| while (count--) { |
| while (!(readl(UART1_REG(LSR)) & UART_LSR_THRE)) |
| barrier(); |
| writel(buf[i++], UART1_REG(TX)); |
| } |
| |
| return 0; |
| } |
| |
| static int kurobox_pro_miconsend(const unsigned char *data, int count) |
| { |
| int i; |
| unsigned char checksum = 0; |
| unsigned char recv_buf[40]; |
| unsigned char send_buf[40]; |
| unsigned char correct_ack[3]; |
| int retry = 2; |
| |
| /* Generate checksum */ |
| for (i = 0; i < count; i++) |
| checksum -= data[i]; |
| |
| do { |
| /* Send data */ |
| kurobox_pro_miconwrite(data, count); |
| |
| /* send checksum */ |
| kurobox_pro_miconwrite(&checksum, 1); |
| |
| if (kurobox_pro_miconread(recv_buf, sizeof(recv_buf)) <= 3) { |
| printk(KERN_ERR ">%s: receive failed.\n", __func__); |
| |
| /* send preamble to clear the receive buffer */ |
| memset(&send_buf, 0xff, sizeof(send_buf)); |
| kurobox_pro_miconwrite(send_buf, sizeof(send_buf)); |
| |
| /* make dummy reads */ |
| mdelay(100); |
| kurobox_pro_miconread(recv_buf, sizeof(recv_buf)); |
| } else { |
| /* Generate expected ack */ |
| correct_ack[0] = 0x01; |
| correct_ack[1] = data[1]; |
| correct_ack[2] = 0x00; |
| |
| /* checksum Check */ |
| if ((recv_buf[0] + recv_buf[1] + recv_buf[2] + |
| recv_buf[3]) & 0xFF) { |
| printk(KERN_ERR ">%s: Checksum Error : " |
| "Received data[%02x, %02x, %02x, %02x]" |
| "\n", __func__, recv_buf[0], |
| recv_buf[1], recv_buf[2], recv_buf[3]); |
| } else { |
| /* Check Received Data */ |
| if (correct_ack[0] == recv_buf[0] && |
| correct_ack[1] == recv_buf[1] && |
| correct_ack[2] == recv_buf[2]) { |
| /* Interval for next command */ |
| mdelay(10); |
| |
| /* Receive ACK */ |
| return 0; |
| } |
| } |
| /* Received NAK or illegal Data */ |
| printk(KERN_ERR ">%s: Error : NAK or Illegal Data " |
| "Received\n", __func__); |
| } |
| } while (retry--); |
| |
| /* Interval for next command */ |
| mdelay(10); |
| |
| return -1; |
| } |
| |
| static void kurobox_pro_power_off(void) |
| { |
| const unsigned char watchdogkill[] = {0x01, 0x35, 0x00}; |
| const unsigned char shutdownwait[] = {0x00, 0x0c}; |
| const unsigned char poweroff[] = {0x00, 0x06}; |
| /* 38400 baud divisor */ |
| const unsigned divisor = ((orion5x_tclk + (8 * 38400)) / (16 * 38400)); |
| |
| pr_info("%s: triggering power-off...\n", __func__); |
| |
| /* hijack uart1 and reset into sane state (38400,8n1,even parity) */ |
| writel(0x83, UART1_REG(LCR)); |
| writel(divisor & 0xff, UART1_REG(DLL)); |
| writel((divisor >> 8) & 0xff, UART1_REG(DLM)); |
| writel(0x1b, UART1_REG(LCR)); |
| writel(0x00, UART1_REG(IER)); |
| writel(0x07, UART1_REG(FCR)); |
| writel(0x00, UART1_REG(MCR)); |
| |
| /* Send the commands to shutdown the Kurobox Pro */ |
| kurobox_pro_miconsend(watchdogkill, sizeof(watchdogkill)) ; |
| kurobox_pro_miconsend(shutdownwait, sizeof(shutdownwait)) ; |
| kurobox_pro_miconsend(poweroff, sizeof(poweroff)); |
| } |
| |
| /***************************************************************************** |
| * General Setup |
| ****************************************************************************/ |
| static unsigned int kurobox_pro_mpp_modes[] __initdata = { |
| MPP0_UNUSED, |
| MPP1_UNUSED, |
| MPP2_GPIO, /* GPIO Micon */ |
| MPP3_GPIO, /* GPIO Rtc */ |
| MPP4_UNUSED, |
| MPP5_UNUSED, |
| MPP6_NAND, /* NAND Flash REn */ |
| MPP7_NAND, /* NAND Flash WEn */ |
| MPP8_UNUSED, |
| MPP9_UNUSED, |
| MPP10_UNUSED, |
| MPP11_UNUSED, |
| MPP12_SATA_LED, /* SATA 0 presence */ |
| MPP13_SATA_LED, /* SATA 1 presence */ |
| MPP14_SATA_LED, /* SATA 0 active */ |
| MPP15_SATA_LED, /* SATA 1 active */ |
| MPP16_UART, /* UART1 RXD */ |
| MPP17_UART, /* UART1 TXD */ |
| MPP18_UART, /* UART1 CTSn */ |
| MPP19_UART, /* UART1 RTSn */ |
| 0, |
| }; |
| |
| static void __init kurobox_pro_init(void) |
| { |
| /* |
| * Setup basic Orion functions. Need to be called early. |
| */ |
| orion5x_init(); |
| |
| orion5x_mpp_conf(kurobox_pro_mpp_modes); |
| |
| /* |
| * Configure peripherals. |
| */ |
| orion5x_ehci0_init(); |
| orion5x_ehci1_init(); |
| orion5x_eth_init(&kurobox_pro_eth_data); |
| orion5x_i2c_init(); |
| orion5x_sata_init(&kurobox_pro_sata_data); |
| orion5x_uart0_init(); |
| orion5x_uart1_init(); |
| orion5x_xor_init(); |
| |
| mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET, |
| ORION_MBUS_DEVBUS_BOOT_ATTR, |
| KUROBOX_PRO_NOR_BOOT_BASE, |
| KUROBOX_PRO_NOR_BOOT_SIZE); |
| platform_device_register(&kurobox_pro_nor_flash); |
| |
| if (machine_is_kurobox_pro()) { |
| mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_TARGET(0), |
| ORION_MBUS_DEVBUS_ATTR(0), |
| KUROBOX_PRO_NAND_BASE, |
| KUROBOX_PRO_NAND_SIZE); |
| platform_device_register(&kurobox_pro_nand_flash); |
| } |
| |
| i2c_register_board_info(0, &kurobox_pro_i2c_rtc, 1); |
| |
| /* register Kurobox Pro specific power-off method */ |
| pm_power_off = kurobox_pro_power_off; |
| } |
| |
| #ifdef CONFIG_MACH_KUROBOX_PRO |
| MACHINE_START(KUROBOX_PRO, "Buffalo/Revogear Kurobox Pro") |
| /* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */ |
| .atag_offset = 0x100, |
| .nr_irqs = ORION5X_NR_IRQS, |
| .init_machine = kurobox_pro_init, |
| .map_io = orion5x_map_io, |
| .init_early = orion5x_init_early, |
| .init_irq = orion5x_init_irq, |
| .init_time = orion5x_timer_init, |
| .fixup = tag_fixup_mem32, |
| .restart = orion5x_restart, |
| MACHINE_END |
| #endif |
| |
| #ifdef CONFIG_MACH_LINKSTATION_PRO |
| MACHINE_START(LINKSTATION_PRO, "Buffalo Linkstation Pro/Live") |
| /* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */ |
| .atag_offset = 0x100, |
| .nr_irqs = ORION5X_NR_IRQS, |
| .init_machine = kurobox_pro_init, |
| .map_io = orion5x_map_io, |
| .init_early = orion5x_init_early, |
| .init_irq = orion5x_init_irq, |
| .init_time = orion5x_timer_init, |
| .fixup = tag_fixup_mem32, |
| .restart = orion5x_restart, |
| MACHINE_END |
| #endif |
