#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/nand.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/gpio.h>
#include <asm/arch/orion5x.h>
#include <asm/plat-orion/orion_nand.h>
#include "common.h"
+#include "mpp.h"
/*****************************************************************************
* KUROBOX-PRO Info
.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),
/*
* PCI isn't used on the Kuro
*/
- printk(KERN_ERR "kurobox_pro_pci_map_irq failed, unknown bus\n");
-
return -1;
}
static struct hw_pci kurobox_pro_pci __initdata = {
- .nr_controllers = 1,
+ .nr_controllers = 2,
.swizzle = pci_std_swizzle,
.setup = orion5x_pci_sys_setup,
.scan = orion5x_pci_sys_scan_bus,
static struct mv643xx_eth_platform_data kurobox_pro_eth_data = {
.phy_addr = 8,
- .force_phy_addr = 1,
};
/*****************************************************************************
* SATA
****************************************************************************/
static struct mv_sata_platform_data kurobox_pro_sata_data = {
- .n_ports = 2,
+ .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 struct orion5x_mpp_mode kurobox_pro_mpp_modes[] __initdata = {
+ { 0, MPP_UNUSED },
+ { 1, MPP_UNUSED },
+ { 2, MPP_GPIO }, /* GPIO Micon */
+ { 3, MPP_GPIO }, /* GPIO Rtc */
+ { 4, MPP_UNUSED },
+ { 5, MPP_UNUSED },
+ { 6, MPP_NAND }, /* NAND Flash REn */
+ { 7, MPP_NAND }, /* NAND Flash WEn */
+ { 8, MPP_UNUSED },
+ { 9, MPP_UNUSED },
+ { 10, MPP_UNUSED },
+ { 11, MPP_UNUSED },
+ { 12, MPP_SATA_LED }, /* SATA 0 presence */
+ { 13, MPP_SATA_LED }, /* SATA 1 presence */
+ { 14, MPP_SATA_LED }, /* SATA 0 active */
+ { 15, MPP_SATA_LED }, /* SATA 1 active */
+ { 16, MPP_UART }, /* UART1 RXD */
+ { 17, MPP_UART }, /* UART1 TXD */
+ { 18, MPP_UART }, /* UART1 CTSn */
+ { 19, MPP_UART }, /* UART1 RTSn */
+ { -1 },
+};
static void __init kurobox_pro_init(void)
{
*/
orion5x_init();
- /*
- * Setup the CPU address decode windows for our devices
- */
- orion5x_setup_dev_boot_win(KUROBOX_PRO_NOR_BOOT_BASE,
- KUROBOX_PRO_NOR_BOOT_SIZE);
- orion5x_setup_dev0_win(KUROBOX_PRO_NAND_BASE, KUROBOX_PRO_NAND_SIZE);
+ orion5x_mpp_conf(kurobox_pro_mpp_modes);
/*
- * Open a special address decode windows for the PCIe WA.
+ * Configure peripherals.
*/
- orion5x_setup_pcie_wa_win(ORION5X_PCIE_WA_PHYS_BASE,
- ORION5X_PCIE_WA_SIZE);
-
- /*
- * Setup Multiplexing Pins --
- * MPP[0-1] Not used
- * MPP[2] GPIO Micon
- * MPP[3] GPIO RTC
- * MPP[4-5] Not used
- * MPP[6] Nand Flash REn
- * MPP[7] Nand Flash WEn
- * MPP[8-11] Not used
- * MPP[12] SATA 0 presence Indication
- * MPP[13] SATA 1 presence Indication
- * MPP[14] SATA 0 active Indication
- * MPP[15] SATA 1 active indication
- * MPP[16-19] Not used
- */
- orion5x_write(MPP_0_7_CTRL, 0x44220003);
- orion5x_write(MPP_8_15_CTRL, 0x55550000);
- orion5x_write(MPP_16_19_CTRL, 0x0);
-
- orion5x_gpio_set_valid_pins(0x0000000c);
+ 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_setup_dev_boot_win(KUROBOX_PRO_NOR_BOOT_BASE,
+ KUROBOX_PRO_NOR_BOOT_SIZE);
platform_device_register(&kurobox_pro_nor_flash);
- if (machine_is_kurobox_pro())
+
+ if (machine_is_kurobox_pro()) {
+ orion5x_setup_dev0_win(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);
- orion5x_eth_init(&kurobox_pro_eth_data);
- orion5x_sata_init(&kurobox_pro_sata_data);
+
+ /* register Kurobox Pro specific power-off method */
+ pm_power_off = kurobox_pro_power_off;
}
#ifdef CONFIG_MACH_KUROBOX_PRO
git.openpandora.org / pandora-kernel.git / blobdiff