405 lines
10 KiB
C
405 lines
10 KiB
C
/*
|
|
* 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/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/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/mach/arch.h>
|
|
#include <asm/mach/pci.h>
|
|
#include <mach/orion5x.h>
|
|
#include <plat/orion_nand.h>
|
|
#include "common.h"
|
|
#include "mpp.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,
|
|
.swizzle = pci_std_swizzle,
|
|
.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();
|
|
|
|
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()) {
|
|
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);
|
|
|
|
/* 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> */
|
|
.boot_params = 0x00000100,
|
|
.init_machine = kurobox_pro_init,
|
|
.map_io = orion5x_map_io,
|
|
.init_early = orion5x_init_early,
|
|
.init_irq = orion5x_init_irq,
|
|
.timer = &orion5x_timer,
|
|
.fixup = tag_fixup_mem32,
|
|
MACHINE_END
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_LINKSTATION_PRO
|
|
MACHINE_START(LINKSTATION_PRO, "Buffalo Linkstation Pro/Live")
|
|
/* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
|
|
.boot_params = 0x00000100,
|
|
.init_machine = kurobox_pro_init,
|
|
.map_io = orion5x_map_io,
|
|
.init_early = orion5x_init_early,
|
|
.init_irq = orion5x_init_irq,
|
|
.timer = &orion5x_timer,
|
|
.fixup = tag_fixup_mem32,
|
|
MACHINE_END
|
|
#endif
|