2 * Maxtor Shared Storage II Board Setup
4 * Maintainer: Sylver Bruneau <sylver.bruneau@googlemail.com>
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/platform_device.h>
15 #include <linux/pci.h>
16 #include <linux/irq.h>
17 #include <linux/mtd/physmap.h>
18 #include <linux/mv643xx_eth.h>
19 #include <linux/leds.h>
20 #include <linux/gpio_keys.h>
21 #include <linux/input.h>
22 #include <linux/i2c.h>
23 #include <linux/ata_platform.h>
24 #include <linux/gpio.h>
25 #include <asm/mach-types.h>
26 #include <asm/mach/arch.h>
27 #include <asm/mach/pci.h>
28 #include <mach/orion5x.h>
29 #include <mach/bridge-regs.h>
33 #define MSS2_NOR_BOOT_BASE 0xff800000
34 #define MSS2_NOR_BOOT_SIZE SZ_256K
36 /*****************************************************************************
37 * Maxtor Shared Storage II Info
38 ****************************************************************************/
41 * Maxtor Shared Storage II hardware :
42 * - Marvell 88F5182-A2 C500
43 * - Marvell 88E1111 Gigabit Ethernet PHY
44 * - RTC M41T81 (@0x68) on I2C bus
49 /*****************************************************************************
50 * 256KB NOR Flash on BOOT Device
51 ****************************************************************************/
53 static struct physmap_flash_data mss2_nor_flash_data
= {
57 static struct resource mss2_nor_flash_resource
= {
58 .flags
= IORESOURCE_MEM
,
59 .start
= MSS2_NOR_BOOT_BASE
,
60 .end
= MSS2_NOR_BOOT_BASE
+ MSS2_NOR_BOOT_SIZE
- 1,
63 static struct platform_device mss2_nor_flash
= {
64 .name
= "physmap-flash",
67 .platform_data
= &mss2_nor_flash_data
,
69 .resource
= &mss2_nor_flash_resource
,
73 /****************************************************************************
75 ****************************************************************************/
76 static int __init
mss2_pci_map_irq(struct pci_dev
*dev
, u8 slot
, u8 pin
)
81 * Check for devices with hard-wired IRQs.
83 irq
= orion5x_pci_map_irq(dev
, slot
, pin
);
90 static struct hw_pci mss2_pci __initdata
= {
92 .swizzle
= pci_std_swizzle
,
93 .setup
= orion5x_pci_sys_setup
,
94 .scan
= orion5x_pci_sys_scan_bus
,
95 .map_irq
= mss2_pci_map_irq
,
98 static int __init
mss2_pci_init(void)
100 if (machine_is_mss2())
101 pci_common_init(&mss2_pci
);
105 subsys_initcall(mss2_pci_init
);
108 /*****************************************************************************
110 ****************************************************************************/
112 static struct mv643xx_eth_platform_data mss2_eth_data
= {
113 .phy_addr
= MV643XX_ETH_PHY_ADDR(8),
116 /*****************************************************************************
118 ****************************************************************************/
120 static struct mv_sata_platform_data mss2_sata_data
= {
124 /*****************************************************************************
126 ****************************************************************************/
128 #define MSS2_GPIO_KEY_RESET 12
129 #define MSS2_GPIO_KEY_POWER 11
131 static struct gpio_keys_button mss2_buttons
[] = {
134 .gpio
= MSS2_GPIO_KEY_POWER
,
139 .gpio
= MSS2_GPIO_KEY_RESET
,
145 static struct gpio_keys_platform_data mss2_button_data
= {
146 .buttons
= mss2_buttons
,
147 .nbuttons
= ARRAY_SIZE(mss2_buttons
),
150 static struct platform_device mss2_button_device
= {
154 .platform_data
= &mss2_button_data
,
158 /*****************************************************************************
159 * RTC m41t81 on I2C bus
160 ****************************************************************************/
162 #define MSS2_GPIO_RTC_IRQ 3
164 static struct i2c_board_info __initdata mss2_i2c_rtc
= {
165 I2C_BOARD_INFO("m41t81", 0x68),
168 /*****************************************************************************
169 * MSS2 power off method
170 ****************************************************************************/
172 * On the Maxtor Shared Storage II, the shutdown process is the following :
173 * - Userland modifies U-boot env to tell U-boot to go idle at next boot
174 * - The board reboots
175 * - U-boot starts and go into an idle mode until the user press "power"
177 static void mss2_power_off(void)
182 * Enable and issue soft reset
184 reg
= readl(RSTOUTn_MASK
);
186 writel(reg
, RSTOUTn_MASK
);
188 reg
= readl(CPU_SOFT_RESET
);
190 writel(reg
, CPU_SOFT_RESET
);
193 /****************************************************************************
195 ****************************************************************************/
196 static struct orion5x_mpp_mode mss2_mpp_modes
[] __initdata
= {
197 { 0, MPP_GPIO
}, /* Power LED */
198 { 1, MPP_GPIO
}, /* Error LED */
200 { 3, MPP_GPIO
}, /* RTC interrupt */
201 { 4, MPP_GPIO
}, /* HDD ind. (Single/Dual)*/
202 { 5, MPP_GPIO
}, /* HD0 5V control */
203 { 6, MPP_GPIO
}, /* HD0 12V control */
204 { 7, MPP_GPIO
}, /* HD1 5V control */
205 { 8, MPP_GPIO
}, /* HD1 12V control */
207 { 10, MPP_GPIO
}, /* Fan control */
208 { 11, MPP_GPIO
}, /* Power button */
209 { 12, MPP_GPIO
}, /* Reset button */
211 { 14, MPP_SATA_LED
}, /* SATA 0 active */
212 { 15, MPP_SATA_LED
}, /* SATA 1 active */
220 static void __init
mss2_init(void)
222 /* Setup basic Orion functions. Need to be called early. */
225 orion5x_mpp_conf(mss2_mpp_modes
);
230 * MPP[22] USB 0 over current
231 * MPP[23] USB 1 over current
235 * Configure peripherals.
237 orion5x_ehci0_init();
238 orion5x_ehci1_init();
239 orion5x_eth_init(&mss2_eth_data
);
241 orion5x_sata_init(&mss2_sata_data
);
242 orion5x_uart0_init();
245 orion5x_setup_dev_boot_win(MSS2_NOR_BOOT_BASE
, MSS2_NOR_BOOT_SIZE
);
246 platform_device_register(&mss2_nor_flash
);
248 platform_device_register(&mss2_button_device
);
250 if (gpio_request(MSS2_GPIO_RTC_IRQ
, "rtc") == 0) {
251 if (gpio_direction_input(MSS2_GPIO_RTC_IRQ
) == 0)
252 mss2_i2c_rtc
.irq
= gpio_to_irq(MSS2_GPIO_RTC_IRQ
);
254 gpio_free(MSS2_GPIO_RTC_IRQ
);
256 i2c_register_board_info(0, &mss2_i2c_rtc
, 1);
258 /* register mss2 specific power-off method */
259 pm_power_off
= mss2_power_off
;
262 MACHINE_START(MSS2
, "Maxtor Shared Storage II")
263 /* Maintainer: Sylver Bruneau <sylver.bruneau@googlemail.com> */
264 .phys_io
= ORION5X_REGS_PHYS_BASE
,
265 .io_pg_offst
= ((ORION5X_REGS_VIRT_BASE
) >> 18) & 0xFFFC,
266 .boot_params
= 0x00000100,
267 .init_machine
= mss2_init
,
268 .map_io
= orion5x_map_io
,
269 .init_irq
= orion5x_init_irq
,
270 .timer
= &orion5x_timer
,
271 .fixup
= tag_fixup_mem32