1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * arch/arm/mach-mv78xx0/buffalo-wxl-setup.c
4 *
5 * Buffalo WXL (Terastation Duo) Setup routines
6 *
7 * sebastien requiem <sebastien@requiem.fr>
8 */
9
10 #include <linux/kernel.h>
11 #include <linux/init.h>
12 #include <linux/platform_device.h>
13 #include <linux/ata_platform.h>
14 #include <linux/mv643xx_eth.h>
15 #include <linux/ethtool.h>
16 #include <linux/i2c.h>
17 #include <asm/mach-types.h>
18 #include <asm/mach/arch.h>
19 #include "mv78xx0.h"
20 #include "common.h"
21 #include "mpp.h"
22
23
24 /* This arch has 2 Giga Ethernet */
25
26 static struct mv643xx_eth_platform_data db78x00_ge00_data = {
27 .phy_addr = MV643XX_ETH_PHY_ADDR(0),
28 };
29
30 static struct mv643xx_eth_platform_data db78x00_ge01_data = {
31 .phy_addr = MV643XX_ETH_PHY_ADDR(8),
32 };
33
34
35 /* 2 SATA controller supporting HotPlug */
36
37 static struct mv_sata_platform_data db78x00_sata_data = {
38 .n_ports = 2,
39 };
40
41 static struct i2c_board_info __initdata db78x00_i2c_rtc = {
42 I2C_BOARD_INFO("ds1338", 0x68),
43 };
44
45
46 static unsigned int wxl_mpp_config[] __initdata = {
47 MPP0_GE1_TXCLK,
48 MPP1_GE1_TXCTL,
49 MPP2_GE1_RXCTL,
50 MPP3_GE1_RXCLK,
51 MPP4_GE1_TXD0,
52 MPP5_GE1_TXD1,
53 MPP6_GE1_TXD2,
54 MPP7_GE1_TXD3,
55 MPP8_GE1_RXD0,
56 MPP9_GE1_RXD1,
57 MPP10_GE1_RXD2,
58 MPP11_GE1_RXD3,
59 MPP12_GPIO,
60 MPP13_SYSRST_OUTn,
61 MPP14_SATA1_ACTn,
62 MPP15_SATA0_ACTn,
63 MPP16_GPIO,
64 MPP17_GPIO,
65 MPP18_GPIO,
66 MPP19_GPIO,
67 MPP20_GPIO,
68 MPP21_GPIO,
69 MPP22_GPIO,
70 MPP23_GPIO,
71 MPP24_UA2_TXD,
72 MPP25_UA2_RXD,
73 MPP26_UA2_CTSn,
74 MPP27_UA2_RTSn,
75 MPP28_GPIO,
76 MPP29_SYSRST_OUTn,
77 MPP30_GPIO,
78 MPP31_GPIO,
79 MPP32_GPIO,
80 MPP33_GPIO,
81 MPP34_GPIO,
82 MPP35_GPIO,
83 MPP36_GPIO,
84 MPP37_GPIO,
85 MPP38_GPIO,
86 MPP39_GPIO,
87 MPP40_UNUSED,
88 MPP41_UNUSED,
89 MPP42_UNUSED,
90 MPP43_UNUSED,
91 MPP44_UNUSED,
92 MPP45_UNUSED,
93 MPP46_UNUSED,
94 MPP47_UNUSED,
95 MPP48_SATA1_ACTn,
96 MPP49_SATA0_ACTn,
97 0
98 };
99
100
wxl_init(void)101 static void __init wxl_init(void)
102 {
103 /*
104 * Basic MV78xx0 setup. Needs to be called early.
105 */
106 mv78xx0_init();
107 mv78xx0_mpp_conf(wxl_mpp_config);
108
109 /*
110 * Partition on-chip peripherals between the two CPU cores.
111 */
112 mv78xx0_ehci0_init();
113 mv78xx0_ehci1_init();
114 mv78xx0_ehci2_init();
115 mv78xx0_ge00_init(&db78x00_ge00_data);
116 mv78xx0_ge01_init(&db78x00_ge01_data);
117 mv78xx0_sata_init(&db78x00_sata_data);
118 mv78xx0_uart0_init();
119 mv78xx0_uart1_init();
120 mv78xx0_uart2_init();
121 mv78xx0_uart3_init();
122 mv78xx0_i2c_init();
123 i2c_register_board_info(0, &db78x00_i2c_rtc, 1);
124 }
125
wxl_pci_init(void)126 static int __init wxl_pci_init(void)
127 {
128 if (machine_is_terastation_wxl()) {
129 /*
130 * Assign the x16 PCIe slot on the board to CPU core
131 * #0, and let CPU core #1 have the four x1 slots.
132 */
133 if (mv78xx0_core_index() == 0)
134 mv78xx0_pcie_init(0, 1);
135 else
136 mv78xx0_pcie_init(1, 0);
137 }
138
139 return 0;
140 }
141 subsys_initcall(wxl_pci_init);
142
143 MACHINE_START(TERASTATION_WXL, "Buffalo Nas WXL")
144 /* Maintainer: Sebastien Requiem <sebastien@requiem.fr> */
145 .atag_offset = 0x100,
146 .nr_irqs = MV78XX0_NR_IRQS,
147 .init_machine = wxl_init,
148 .map_io = mv78xx0_map_io,
149 .init_early = mv78xx0_init_early,
150 .init_irq = mv78xx0_init_irq,
151 .init_time = mv78xx0_timer_init,
152 .restart = mv78xx0_restart,
153 MACHINE_END
154