Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/mach-orion5x/common.c |
| 3 | * |
| 4 | * Core functions for Marvell Orion 5x SoCs |
| 5 | * |
| 6 | * Maintainer: Tzachi Perelstein <tzachi@marvell.com> |
| 7 | * |
| 8 | * This file is licensed under the terms of the GNU General Public |
| 9 | * License version 2. This program is licensed "as is" without any |
| 10 | * warranty of any kind, whether express or implied. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/kernel.h> |
| 14 | #include <linux/init.h> |
| 15 | #include <linux/platform_device.h> |
Andrew Lunn | ee96272 | 2011-05-15 13:32:48 +0200 | [diff] [blame] | 16 | #include <linux/dma-mapping.h> |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 17 | #include <linux/serial_8250.h> |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 18 | #include <linux/mv643xx_i2c.h> |
| 19 | #include <linux/ata_platform.h> |
Russell King | 764cbcc2 | 2011-11-05 10:13:41 +0000 | [diff] [blame] | 20 | #include <linux/delay.h> |
Lennert Buytenhek | dcf1cec | 2008-09-25 16:23:48 +0200 | [diff] [blame] | 21 | #include <net/dsa.h> |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 22 | #include <asm/page.h> |
| 23 | #include <asm/setup.h> |
David Howells | 9f97da7 | 2012-03-28 18:30:01 +0100 | [diff] [blame^] | 24 | #include <asm/system_misc.h> |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 25 | #include <asm/timex.h> |
| 26 | #include <asm/mach/arch.h> |
| 27 | #include <asm/mach/map.h> |
| 28 | #include <asm/mach/time.h> |
Lennert Buytenhek | 4ee1f6b | 2010-10-15 16:50:26 +0200 | [diff] [blame] | 29 | #include <mach/bridge-regs.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 30 | #include <mach/hardware.h> |
| 31 | #include <mach/orion5x.h> |
Lennert Buytenhek | 6f088f1 | 2008-08-09 13:44:58 +0200 | [diff] [blame] | 32 | #include <plat/orion_nand.h> |
Andrew Lunn | 7205335 | 2012-02-08 15:52:47 +0100 | [diff] [blame] | 33 | #include <plat/ehci-orion.h> |
Lennert Buytenhek | 6f088f1 | 2008-08-09 13:44:58 +0200 | [diff] [blame] | 34 | #include <plat/time.h> |
Andrew Lunn | 28a2b45 | 2011-05-15 13:32:41 +0200 | [diff] [blame] | 35 | #include <plat/common.h> |
Andrew Lunn | 45173d5 | 2011-12-07 21:48:06 +0100 | [diff] [blame] | 36 | #include <plat/addr-map.h> |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 37 | #include "common.h" |
| 38 | |
| 39 | /***************************************************************************** |
| 40 | * I/O Address Mapping |
| 41 | ****************************************************************************/ |
| 42 | static struct map_desc orion5x_io_desc[] __initdata = { |
| 43 | { |
| 44 | .virtual = ORION5X_REGS_VIRT_BASE, |
| 45 | .pfn = __phys_to_pfn(ORION5X_REGS_PHYS_BASE), |
| 46 | .length = ORION5X_REGS_SIZE, |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 47 | .type = MT_DEVICE, |
| 48 | }, { |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 49 | .virtual = ORION5X_PCIE_IO_VIRT_BASE, |
| 50 | .pfn = __phys_to_pfn(ORION5X_PCIE_IO_PHYS_BASE), |
| 51 | .length = ORION5X_PCIE_IO_SIZE, |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 52 | .type = MT_DEVICE, |
| 53 | }, { |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 54 | .virtual = ORION5X_PCI_IO_VIRT_BASE, |
| 55 | .pfn = __phys_to_pfn(ORION5X_PCI_IO_PHYS_BASE), |
| 56 | .length = ORION5X_PCI_IO_SIZE, |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 57 | .type = MT_DEVICE, |
| 58 | }, { |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 59 | .virtual = ORION5X_PCIE_WA_VIRT_BASE, |
| 60 | .pfn = __phys_to_pfn(ORION5X_PCIE_WA_PHYS_BASE), |
| 61 | .length = ORION5X_PCIE_WA_SIZE, |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 62 | .type = MT_DEVICE, |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 63 | }, |
| 64 | }; |
| 65 | |
| 66 | void __init orion5x_map_io(void) |
| 67 | { |
| 68 | iotable_init(orion5x_io_desc, ARRAY_SIZE(orion5x_io_desc)); |
| 69 | } |
| 70 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 71 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 72 | /***************************************************************************** |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 73 | * EHCI0 |
| 74 | ****************************************************************************/ |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 75 | void __init orion5x_ehci0_init(void) |
| 76 | { |
Andrew Lunn | 7205335 | 2012-02-08 15:52:47 +0100 | [diff] [blame] | 77 | orion_ehci_init(ORION5X_USB0_PHYS_BASE, IRQ_ORION5X_USB0_CTRL, |
| 78 | EHCI_PHY_ORION); |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 79 | } |
| 80 | |
| 81 | |
| 82 | /***************************************************************************** |
| 83 | * EHCI1 |
| 84 | ****************************************************************************/ |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 85 | void __init orion5x_ehci1_init(void) |
| 86 | { |
Andrew Lunn | db33f4d | 2011-12-07 21:48:08 +0100 | [diff] [blame] | 87 | orion_ehci_1_init(ORION5X_USB1_PHYS_BASE, IRQ_ORION5X_USB1_CTRL); |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 88 | } |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 89 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 90 | |
| 91 | /***************************************************************************** |
Andrew Lunn | 5c60255 | 2011-05-15 13:32:40 +0200 | [diff] [blame] | 92 | * GE00 |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 93 | ****************************************************************************/ |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 94 | void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data) |
| 95 | { |
Andrew Lunn | db33f4d | 2011-12-07 21:48:08 +0100 | [diff] [blame] | 96 | orion_ge00_init(eth_data, |
Andrew Lunn | 7e3819d | 2011-05-15 13:32:44 +0200 | [diff] [blame] | 97 | ORION5X_ETH_PHYS_BASE, IRQ_ORION5X_ETH_SUM, |
| 98 | IRQ_ORION5X_ETH_ERR, orion5x_tclk); |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 99 | } |
| 100 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 101 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 102 | /***************************************************************************** |
Lennert Buytenhek | dcf1cec | 2008-09-25 16:23:48 +0200 | [diff] [blame] | 103 | * Ethernet switch |
| 104 | ****************************************************************************/ |
Lennert Buytenhek | dcf1cec | 2008-09-25 16:23:48 +0200 | [diff] [blame] | 105 | void __init orion5x_eth_switch_init(struct dsa_platform_data *d, int irq) |
| 106 | { |
Andrew Lunn | 7e3819d | 2011-05-15 13:32:44 +0200 | [diff] [blame] | 107 | orion_ge00_switch_init(d, irq); |
Lennert Buytenhek | dcf1cec | 2008-09-25 16:23:48 +0200 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | |
| 111 | /***************************************************************************** |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 112 | * I2C |
| 113 | ****************************************************************************/ |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 114 | void __init orion5x_i2c_init(void) |
| 115 | { |
Andrew Lunn | aac7ffa | 2011-05-15 13:32:45 +0200 | [diff] [blame] | 116 | orion_i2c_init(I2C_PHYS_BASE, IRQ_ORION5X_I2C, 8); |
| 117 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 118 | } |
| 119 | |
| 120 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 121 | /***************************************************************************** |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 122 | * SATA |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 123 | ****************************************************************************/ |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 124 | void __init orion5x_sata_init(struct mv_sata_platform_data *sata_data) |
| 125 | { |
Andrew Lunn | db33f4d | 2011-12-07 21:48:08 +0100 | [diff] [blame] | 126 | orion_sata_init(sata_data, ORION5X_SATA_PHYS_BASE, IRQ_ORION5X_SATA); |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 127 | } |
| 128 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 129 | |
| 130 | /***************************************************************************** |
Lennert Buytenhek | d323ade | 2008-08-29 06:55:06 +0200 | [diff] [blame] | 131 | * SPI |
| 132 | ****************************************************************************/ |
Lennert Buytenhek | d323ade | 2008-08-29 06:55:06 +0200 | [diff] [blame] | 133 | void __init orion5x_spi_init() |
| 134 | { |
Andrew Lunn | 980f9f6 | 2011-05-15 13:32:46 +0200 | [diff] [blame] | 135 | orion_spi_init(SPI_PHYS_BASE, orion5x_tclk); |
Lennert Buytenhek | d323ade | 2008-08-29 06:55:06 +0200 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | |
| 139 | /***************************************************************************** |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 140 | * UART0 |
| 141 | ****************************************************************************/ |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 142 | void __init orion5x_uart0_init(void) |
| 143 | { |
Andrew Lunn | 28a2b45 | 2011-05-15 13:32:41 +0200 | [diff] [blame] | 144 | orion_uart0_init(UART0_VIRT_BASE, UART0_PHYS_BASE, |
| 145 | IRQ_ORION5X_UART0, orion5x_tclk); |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 146 | } |
| 147 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 148 | /***************************************************************************** |
| 149 | * UART1 |
| 150 | ****************************************************************************/ |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 151 | void __init orion5x_uart1_init(void) |
| 152 | { |
Andrew Lunn | 28a2b45 | 2011-05-15 13:32:41 +0200 | [diff] [blame] | 153 | orion_uart1_init(UART1_VIRT_BASE, UART1_PHYS_BASE, |
| 154 | IRQ_ORION5X_UART1, orion5x_tclk); |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 155 | } |
| 156 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 157 | /***************************************************************************** |
Saeed Bishara | 1d5a1a6 | 2008-06-16 23:25:12 -1100 | [diff] [blame] | 158 | * XOR engine |
| 159 | ****************************************************************************/ |
Saeed Bishara | 1d5a1a6 | 2008-06-16 23:25:12 -1100 | [diff] [blame] | 160 | void __init orion5x_xor_init(void) |
| 161 | { |
Andrew Lunn | db33f4d | 2011-12-07 21:48:08 +0100 | [diff] [blame] | 162 | orion_xor0_init(ORION5X_XOR_PHYS_BASE, |
Andrew Lunn | ee96272 | 2011-05-15 13:32:48 +0200 | [diff] [blame] | 163 | ORION5X_XOR_PHYS_BASE + 0x200, |
| 164 | IRQ_ORION5X_XOR0, IRQ_ORION5X_XOR1); |
Saeed Bishara | 1d5a1a6 | 2008-06-16 23:25:12 -1100 | [diff] [blame] | 165 | } |
| 166 | |
Andrew Lunn | 4435006 | 2011-05-15 13:32:51 +0200 | [diff] [blame] | 167 | /***************************************************************************** |
| 168 | * Cryptographic Engines and Security Accelerator (CESA) |
| 169 | ****************************************************************************/ |
| 170 | static void __init orion5x_crypto_init(void) |
Sebastian Andrzej Siewior | 3a8f744 | 2009-05-07 22:59:24 +0200 | [diff] [blame] | 171 | { |
Andrew Lunn | b6d1c33 | 2011-12-07 21:48:05 +0100 | [diff] [blame] | 172 | orion5x_setup_sram_win(); |
Andrew Lunn | 4435006 | 2011-05-15 13:32:51 +0200 | [diff] [blame] | 173 | orion_crypto_init(ORION5X_CRYPTO_PHYS_BASE, ORION5X_SRAM_PHYS_BASE, |
| 174 | SZ_8K, IRQ_ORION5X_CESA); |
Sebastian Andrzej Siewior | 3a8f744 | 2009-05-07 22:59:24 +0200 | [diff] [blame] | 175 | } |
Saeed Bishara | 1d5a1a6 | 2008-06-16 23:25:12 -1100 | [diff] [blame] | 176 | |
| 177 | /***************************************************************************** |
Thomas Reitmayr | 9e058d4 | 2009-02-24 14:59:22 -0800 | [diff] [blame] | 178 | * Watchdog |
| 179 | ****************************************************************************/ |
Thomas Reitmayr | 9e058d4 | 2009-02-24 14:59:22 -0800 | [diff] [blame] | 180 | void __init orion5x_wdt_init(void) |
| 181 | { |
Andrew Lunn | 5e00d37 | 2011-05-15 13:32:47 +0200 | [diff] [blame] | 182 | orion_wdt_init(orion5x_tclk); |
Thomas Reitmayr | 9e058d4 | 2009-02-24 14:59:22 -0800 | [diff] [blame] | 183 | } |
| 184 | |
| 185 | |
| 186 | /***************************************************************************** |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 187 | * Time handling |
| 188 | ****************************************************************************/ |
Lennert Buytenhek | 4ee1f6b | 2010-10-15 16:50:26 +0200 | [diff] [blame] | 189 | void __init orion5x_init_early(void) |
| 190 | { |
| 191 | orion_time_set_base(TIMER_VIRT_BASE); |
| 192 | } |
| 193 | |
Lennert Buytenhek | ebe35af | 2008-08-29 05:55:51 +0200 | [diff] [blame] | 194 | int orion5x_tclk; |
| 195 | |
| 196 | int __init orion5x_find_tclk(void) |
| 197 | { |
Lennert Buytenhek | d323ade | 2008-08-29 06:55:06 +0200 | [diff] [blame] | 198 | u32 dev, rev; |
| 199 | |
| 200 | orion5x_pcie_id(&dev, &rev); |
| 201 | if (dev == MV88F6183_DEV_ID && |
| 202 | (readl(MPP_RESET_SAMPLE) & 0x00000200) == 0) |
| 203 | return 133333333; |
| 204 | |
Lennert Buytenhek | ebe35af | 2008-08-29 05:55:51 +0200 | [diff] [blame] | 205 | return 166666667; |
| 206 | } |
| 207 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 208 | static void orion5x_timer_init(void) |
| 209 | { |
Lennert Buytenhek | ebe35af | 2008-08-29 05:55:51 +0200 | [diff] [blame] | 210 | orion5x_tclk = orion5x_find_tclk(); |
Lennert Buytenhek | 4ee1f6b | 2010-10-15 16:50:26 +0200 | [diff] [blame] | 211 | |
| 212 | orion_time_init(ORION5X_BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR, |
| 213 | IRQ_ORION5X_BRIDGE, orion5x_tclk); |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 214 | } |
| 215 | |
| 216 | struct sys_timer orion5x_timer = { |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 217 | .init = orion5x_timer_init, |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 218 | }; |
| 219 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 220 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 221 | /***************************************************************************** |
| 222 | * General |
| 223 | ****************************************************************************/ |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 224 | /* |
Lennert Buytenhek | b46926b | 2008-04-25 16:31:32 -0400 | [diff] [blame] | 225 | * Identify device ID and rev from PCIe configuration header space '0'. |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 226 | */ |
| 227 | static void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name) |
| 228 | { |
| 229 | orion5x_pcie_id(dev, rev); |
| 230 | |
| 231 | if (*dev == MV88F5281_DEV_ID) { |
| 232 | if (*rev == MV88F5281_REV_D2) { |
| 233 | *dev_name = "MV88F5281-D2"; |
| 234 | } else if (*rev == MV88F5281_REV_D1) { |
| 235 | *dev_name = "MV88F5281-D1"; |
Lennert Buytenhek | ce72e36e | 2008-08-09 15:17:27 +0200 | [diff] [blame] | 236 | } else if (*rev == MV88F5281_REV_D0) { |
| 237 | *dev_name = "MV88F5281-D0"; |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 238 | } else { |
| 239 | *dev_name = "MV88F5281-Rev-Unsupported"; |
| 240 | } |
| 241 | } else if (*dev == MV88F5182_DEV_ID) { |
| 242 | if (*rev == MV88F5182_REV_A2) { |
| 243 | *dev_name = "MV88F5182-A2"; |
| 244 | } else { |
| 245 | *dev_name = "MV88F5182-Rev-Unsupported"; |
| 246 | } |
| 247 | } else if (*dev == MV88F5181_DEV_ID) { |
| 248 | if (*rev == MV88F5181_REV_B1) { |
| 249 | *dev_name = "MV88F5181-Rev-B1"; |
Lennert Buytenhek | d2b2a6b | 2008-05-31 08:30:40 +0200 | [diff] [blame] | 250 | } else if (*rev == MV88F5181L_REV_A1) { |
| 251 | *dev_name = "MV88F5181L-Rev-A1"; |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 252 | } else { |
Lennert Buytenhek | d2b2a6b | 2008-05-31 08:30:40 +0200 | [diff] [blame] | 253 | *dev_name = "MV88F5181(L)-Rev-Unsupported"; |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 254 | } |
Lennert Buytenhek | d323ade | 2008-08-29 06:55:06 +0200 | [diff] [blame] | 255 | } else if (*dev == MV88F6183_DEV_ID) { |
| 256 | if (*rev == MV88F6183_REV_B0) { |
| 257 | *dev_name = "MV88F6183-Rev-B0"; |
| 258 | } else { |
| 259 | *dev_name = "MV88F6183-Rev-Unsupported"; |
| 260 | } |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 261 | } else { |
| 262 | *dev_name = "Device-Unknown"; |
| 263 | } |
| 264 | } |
| 265 | |
| 266 | void __init orion5x_init(void) |
| 267 | { |
| 268 | char *dev_name; |
| 269 | u32 dev, rev; |
| 270 | |
| 271 | orion5x_id(&dev, &rev, &dev_name); |
Lennert Buytenhek | ebe35af | 2008-08-29 05:55:51 +0200 | [diff] [blame] | 272 | printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk); |
| 273 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 274 | /* |
| 275 | * Setup Orion address map |
| 276 | */ |
| 277 | orion5x_setup_cpu_mbus_bridge(); |
Lennert Buytenhek | ce72e36e | 2008-08-09 15:17:27 +0200 | [diff] [blame] | 278 | |
| 279 | /* |
| 280 | * Don't issue "Wait for Interrupt" instruction if we are |
| 281 | * running on D0 5281 silicon. |
| 282 | */ |
| 283 | if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) { |
| 284 | printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n"); |
| 285 | disable_hlt(); |
| 286 | } |
Thomas Reitmayr | 9e058d4 | 2009-02-24 14:59:22 -0800 | [diff] [blame] | 287 | |
| 288 | /* |
Nicolas Pitre | 3fade49 | 2009-06-11 22:27:20 +0200 | [diff] [blame] | 289 | * The 5082/5181l/5182/6082/6082l/6183 have crypto |
| 290 | * while 5180n/5181/5281 don't have crypto. |
| 291 | */ |
| 292 | if ((dev == MV88F5181_DEV_ID && rev >= MV88F5181L_REV_A0) || |
| 293 | dev == MV88F5182_DEV_ID || dev == MV88F6183_DEV_ID) |
| 294 | orion5x_crypto_init(); |
| 295 | |
| 296 | /* |
Thomas Reitmayr | 9e058d4 | 2009-02-24 14:59:22 -0800 | [diff] [blame] | 297 | * Register watchdog driver |
| 298 | */ |
| 299 | orion5x_wdt_init(); |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 300 | } |
| 301 | |
Russell King | 764cbcc2 | 2011-11-05 10:13:41 +0000 | [diff] [blame] | 302 | void orion5x_restart(char mode, const char *cmd) |
| 303 | { |
| 304 | /* |
| 305 | * Enable and issue soft reset |
| 306 | */ |
| 307 | orion5x_setbits(RSTOUTn_MASK, (1 << 2)); |
| 308 | orion5x_setbits(CPU_SOFT_RESET, 1); |
| 309 | mdelay(200); |
| 310 | orion5x_clrbits(CPU_SOFT_RESET, 1); |
| 311 | } |
| 312 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 313 | /* |
| 314 | * Many orion-based systems have buggy bootloader implementations. |
| 315 | * This is a common fixup for bogus memory tags. |
| 316 | */ |
Russell King | 0744a3e | 2010-12-20 10:37:50 +0000 | [diff] [blame] | 317 | void __init tag_fixup_mem32(struct tag *t, char **from, |
| 318 | struct meminfo *meminfo) |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 319 | { |
| 320 | for (; t->hdr.size; t = tag_next(t)) |
| 321 | if (t->hdr.tag == ATAG_MEM && |
| 322 | (!t->u.mem.size || t->u.mem.size & ~PAGE_MASK || |
| 323 | t->u.mem.start & ~PAGE_MASK)) { |
| 324 | printk(KERN_WARNING |
| 325 | "Clearing invalid memory bank %dKB@0x%08x\n", |
| 326 | t->u.mem.size / 1024, t->u.mem.start); |
| 327 | t->hdr.tag = 0; |
| 328 | } |
| 329 | } |