Merge branch 'work.splice_read' of git://git.kernel.org/pub/scm/linux/kernel/git...
[cascardo/linux.git] / arch / arm / mach-orion5x / rd88f5181l-ge-setup.c
1 /*
2  * arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
3  *
4  * Marvell Orion-VoIP GE Reference Design Setup
5  *
6  * This file is licensed under the terms of the GNU General Public
7  * License version 2.  This program is licensed "as is" without any
8  * warranty of any kind, whether express or implied.
9  */
10 #include <linux/gpio.h>
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/platform_device.h>
14 #include <linux/pci.h>
15 #include <linux/irq.h>
16 #include <linux/mtd/physmap.h>
17 #include <linux/mv643xx_eth.h>
18 #include <linux/ethtool.h>
19 #include <linux/i2c.h>
20 #include <net/dsa.h>
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
23 #include <asm/mach/pci.h>
24 #include "common.h"
25 #include "mpp.h"
26 #include "orion5x.h"
27
28 /*****************************************************************************
29  * RD-88F5181L GE Info
30  ****************************************************************************/
31 /*
32  * 16M NOR flash Device bus boot chip select
33  */
34 #define RD88F5181L_GE_NOR_BOOT_BASE             0xff000000
35 #define RD88F5181L_GE_NOR_BOOT_SIZE             SZ_16M
36
37
38 /*****************************************************************************
39  * 16M NOR Flash on Device bus Boot chip select
40  ****************************************************************************/
41 static struct physmap_flash_data rd88f5181l_ge_nor_boot_flash_data = {
42         .width          = 1,
43 };
44
45 static struct resource rd88f5181l_ge_nor_boot_flash_resource = {
46         .flags          = IORESOURCE_MEM,
47         .start          = RD88F5181L_GE_NOR_BOOT_BASE,
48         .end            = RD88F5181L_GE_NOR_BOOT_BASE +
49                           RD88F5181L_GE_NOR_BOOT_SIZE - 1,
50 };
51
52 static struct platform_device rd88f5181l_ge_nor_boot_flash = {
53         .name                   = "physmap-flash",
54         .id                     = 0,
55         .dev            = {
56                 .platform_data  = &rd88f5181l_ge_nor_boot_flash_data,
57         },
58         .num_resources          = 1,
59         .resource               = &rd88f5181l_ge_nor_boot_flash_resource,
60 };
61
62
63 /*****************************************************************************
64  * General Setup
65  ****************************************************************************/
66 static unsigned int rd88f5181l_ge_mpp_modes[] __initdata = {
67         MPP0_GPIO,              /* LED1 */
68         MPP1_GPIO,              /* LED5 */
69         MPP2_GPIO,              /* LED4 */
70         MPP3_GPIO,              /* LED3 */
71         MPP4_GPIO,              /* PCI_intA */
72         MPP5_GPIO,              /* RTC interrupt */
73         MPP6_PCI_CLK,           /* CPU PCI refclk */
74         MPP7_PCI_CLK,           /* PCI/PCIe refclk */
75         MPP8_GPIO,              /* 88e6131 interrupt */
76         MPP9_GPIO,              /* GE_RXERR */
77         MPP10_GPIO,             /* PCI_intB */
78         MPP11_GPIO,             /* LED2 */
79         MPP12_GIGE,             /* GE_TXD[4] */
80         MPP13_GIGE,             /* GE_TXD[5] */
81         MPP14_GIGE,             /* GE_TXD[6] */
82         MPP15_GIGE,             /* GE_TXD[7] */
83         MPP16_GIGE,             /* GE_RXD[4] */
84         MPP17_GIGE,             /* GE_RXD[5] */
85         MPP18_GIGE,             /* GE_RXD[6] */
86         MPP19_GIGE,             /* GE_RXD[7] */
87         0,
88 };
89
90 static struct mv643xx_eth_platform_data rd88f5181l_ge_eth_data = {
91         .phy_addr       = MV643XX_ETH_PHY_NONE,
92         .speed          = SPEED_1000,
93         .duplex         = DUPLEX_FULL,
94 };
95
96 static struct dsa_chip_data rd88f5181l_ge_switch_chip_data = {
97         .port_names[0]  = "lan2",
98         .port_names[1]  = "lan1",
99         .port_names[2]  = "wan",
100         .port_names[3]  = "cpu",
101         .port_names[5]  = "lan4",
102         .port_names[7]  = "lan3",
103 };
104
105 static struct dsa_platform_data __initdata rd88f5181l_ge_switch_plat_data = {
106         .nr_chips       = 1,
107         .chip           = &rd88f5181l_ge_switch_chip_data,
108 };
109
110 static struct i2c_board_info __initdata rd88f5181l_ge_i2c_rtc = {
111         I2C_BOARD_INFO("ds1338", 0x68),
112 };
113
114 static void __init rd88f5181l_ge_init(void)
115 {
116         /*
117          * Setup basic Orion functions. Need to be called early.
118          */
119         orion5x_init();
120
121         orion5x_mpp_conf(rd88f5181l_ge_mpp_modes);
122
123         /*
124          * Configure peripherals.
125          */
126         orion5x_ehci0_init();
127         orion5x_eth_init(&rd88f5181l_ge_eth_data);
128         orion5x_eth_switch_init(&rd88f5181l_ge_switch_plat_data);
129         orion5x_i2c_init();
130         orion5x_uart0_init();
131
132         mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
133                                     ORION_MBUS_DEVBUS_BOOT_ATTR,
134                                     RD88F5181L_GE_NOR_BOOT_BASE,
135                                     RD88F5181L_GE_NOR_BOOT_SIZE);
136         platform_device_register(&rd88f5181l_ge_nor_boot_flash);
137
138         i2c_register_board_info(0, &rd88f5181l_ge_i2c_rtc, 1);
139 }
140
141 static int __init
142 rd88f5181l_ge_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
143 {
144         int irq;
145
146         /*
147          * Check for devices with hard-wired IRQs.
148          */
149         irq = orion5x_pci_map_irq(dev, slot, pin);
150         if (irq != -1)
151                 return irq;
152
153         /*
154          * Cardbus slot.
155          */
156         if (pin == 1)
157                 return gpio_to_irq(4);
158         else
159                 return gpio_to_irq(10);
160 }
161
162 static struct hw_pci rd88f5181l_ge_pci __initdata = {
163         .nr_controllers = 2,
164         .setup          = orion5x_pci_sys_setup,
165         .scan           = orion5x_pci_sys_scan_bus,
166         .map_irq        = rd88f5181l_ge_pci_map_irq,
167 };
168
169 static int __init rd88f5181l_ge_pci_init(void)
170 {
171         if (machine_is_rd88f5181l_ge()) {
172                 orion5x_pci_set_cardbus_mode();
173                 pci_common_init(&rd88f5181l_ge_pci);
174         }
175
176         return 0;
177 }
178 subsys_initcall(rd88f5181l_ge_pci_init);
179
180 MACHINE_START(RD88F5181L_GE, "Marvell Orion-VoIP GE Reference Design")
181         /* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
182         .atag_offset    = 0x100,
183         .nr_irqs        = ORION5X_NR_IRQS,
184         .init_machine   = rd88f5181l_ge_init,
185         .map_io         = orion5x_map_io,
186         .init_early     = orion5x_init_early,
187         .init_irq       = orion5x_init_irq,
188         .init_time      = orion5x_timer_init,
189         .fixup          = tag_fixup_mem32,
190         .restart        = orion5x_restart,
191 MACHINE_END