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> |
Andrew Lunn | 2f129bf | 2011-12-15 08:15:07 +0100 | [diff] [blame] | 21 | #include <linux/clk-provider.h> |
Arnd Bergmann | 7b2fea1 | 2013-04-25 17:10:04 +0200 | [diff] [blame] | 22 | #include <linux/cpu.h> |
Lennert Buytenhek | dcf1cec | 2008-09-25 16:23:48 +0200 | [diff] [blame] | 23 | #include <net/dsa.h> |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 24 | #include <asm/page.h> |
| 25 | #include <asm/setup.h> |
David Howells | 9f97da7 | 2012-03-28 18:30:01 +0100 | [diff] [blame] | 26 | #include <asm/system_misc.h> |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 27 | #include <asm/timex.h> |
| 28 | #include <asm/mach/arch.h> |
| 29 | #include <asm/mach/map.h> |
| 30 | #include <asm/mach/time.h> |
Lennert Buytenhek | 4ee1f6b | 2010-10-15 16:50:26 +0200 | [diff] [blame] | 31 | #include <mach/bridge-regs.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 32 | #include <mach/hardware.h> |
| 33 | #include <mach/orion5x.h> |
Arnd Bergmann | c02cecb | 2012-08-24 15:21:54 +0200 | [diff] [blame] | 34 | #include <linux/platform_data/mtd-orion_nand.h> |
| 35 | #include <linux/platform_data/usb-ehci-orion.h> |
Lennert Buytenhek | 6f088f1 | 2008-08-09 13:44:58 +0200 | [diff] [blame] | 36 | #include <plat/time.h> |
Andrew Lunn | 28a2b45 | 2011-05-15 13:32:41 +0200 | [diff] [blame] | 37 | #include <plat/common.h> |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 38 | #include "common.h" |
| 39 | |
| 40 | /***************************************************************************** |
| 41 | * I/O Address Mapping |
| 42 | ****************************************************************************/ |
| 43 | static struct map_desc orion5x_io_desc[] __initdata = { |
| 44 | { |
Thomas Petazzoni | 3904a39 | 2012-09-11 14:27:21 +0200 | [diff] [blame] | 45 | .virtual = (unsigned long) ORION5X_REGS_VIRT_BASE, |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 46 | .pfn = __phys_to_pfn(ORION5X_REGS_PHYS_BASE), |
| 47 | .length = ORION5X_REGS_SIZE, |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 48 | .type = MT_DEVICE, |
| 49 | }, { |
Thomas Petazzoni | 3904a39 | 2012-09-11 14:27:21 +0200 | [diff] [blame] | 50 | .virtual = (unsigned long) ORION5X_PCIE_WA_VIRT_BASE, |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 51 | .pfn = __phys_to_pfn(ORION5X_PCIE_WA_PHYS_BASE), |
| 52 | .length = ORION5X_PCIE_WA_SIZE, |
Lennert Buytenhek | e7068ad | 2008-05-10 16:30:01 +0200 | [diff] [blame] | 53 | .type = MT_DEVICE, |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 54 | }, |
| 55 | }; |
| 56 | |
| 57 | void __init orion5x_map_io(void) |
| 58 | { |
| 59 | iotable_init(orion5x_io_desc, ARRAY_SIZE(orion5x_io_desc)); |
| 60 | } |
| 61 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 62 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 63 | /***************************************************************************** |
Andrew Lunn | 2f129bf | 2011-12-15 08:15:07 +0100 | [diff] [blame] | 64 | * CLK tree |
| 65 | ****************************************************************************/ |
| 66 | static struct clk *tclk; |
| 67 | |
Thomas Petazzoni | 1bffb4a | 2012-11-16 16:39:45 +0100 | [diff] [blame] | 68 | void __init clk_init(void) |
Andrew Lunn | 2f129bf | 2011-12-15 08:15:07 +0100 | [diff] [blame] | 69 | { |
| 70 | tclk = clk_register_fixed_rate(NULL, "tclk", NULL, CLK_IS_ROOT, |
| 71 | orion5x_tclk); |
Andrew Lunn | 4574b88 | 2012-04-06 17:17:26 +0200 | [diff] [blame] | 72 | |
| 73 | orion_clkdev_init(tclk); |
Andrew Lunn | 2f129bf | 2011-12-15 08:15:07 +0100 | [diff] [blame] | 74 | } |
| 75 | |
| 76 | /***************************************************************************** |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 77 | * EHCI0 |
| 78 | ****************************************************************************/ |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 79 | void __init orion5x_ehci0_init(void) |
| 80 | { |
Andrew Lunn | 7205335 | 2012-02-08 15:52:47 +0100 | [diff] [blame] | 81 | orion_ehci_init(ORION5X_USB0_PHYS_BASE, IRQ_ORION5X_USB0_CTRL, |
| 82 | EHCI_PHY_ORION); |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | |
| 86 | /***************************************************************************** |
| 87 | * EHCI1 |
| 88 | ****************************************************************************/ |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 89 | void __init orion5x_ehci1_init(void) |
| 90 | { |
Andrew Lunn | db33f4d | 2011-12-07 21:48:08 +0100 | [diff] [blame] | 91 | orion_ehci_1_init(ORION5X_USB1_PHYS_BASE, IRQ_ORION5X_USB1_CTRL); |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 92 | } |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 93 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 94 | |
| 95 | /***************************************************************************** |
Andrew Lunn | 5c60255 | 2011-05-15 13:32:40 +0200 | [diff] [blame] | 96 | * GE00 |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 97 | ****************************************************************************/ |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 98 | void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data) |
| 99 | { |
Andrew Lunn | db33f4d | 2011-12-07 21:48:08 +0100 | [diff] [blame] | 100 | orion_ge00_init(eth_data, |
Andrew Lunn | 7e3819d | 2011-05-15 13:32:44 +0200 | [diff] [blame] | 101 | ORION5X_ETH_PHYS_BASE, IRQ_ORION5X_ETH_SUM, |
Arnaud Patard (Rtp) | 58569ae | 2012-07-26 12:15:46 +0200 | [diff] [blame] | 102 | IRQ_ORION5X_ETH_ERR, |
| 103 | MV643XX_TX_CSUM_DEFAULT_LIMIT); |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 104 | } |
| 105 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 106 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 107 | /***************************************************************************** |
Lennert Buytenhek | dcf1cec | 2008-09-25 16:23:48 +0200 | [diff] [blame] | 108 | * Ethernet switch |
| 109 | ****************************************************************************/ |
Lennert Buytenhek | dcf1cec | 2008-09-25 16:23:48 +0200 | [diff] [blame] | 110 | void __init orion5x_eth_switch_init(struct dsa_platform_data *d, int irq) |
| 111 | { |
Andrew Lunn | 7e3819d | 2011-05-15 13:32:44 +0200 | [diff] [blame] | 112 | orion_ge00_switch_init(d, irq); |
Lennert Buytenhek | dcf1cec | 2008-09-25 16:23:48 +0200 | [diff] [blame] | 113 | } |
| 114 | |
| 115 | |
| 116 | /***************************************************************************** |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 117 | * I2C |
| 118 | ****************************************************************************/ |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 119 | void __init orion5x_i2c_init(void) |
| 120 | { |
Andrew Lunn | aac7ffa | 2011-05-15 13:32:45 +0200 | [diff] [blame] | 121 | orion_i2c_init(I2C_PHYS_BASE, IRQ_ORION5X_I2C, 8); |
| 122 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 123 | } |
| 124 | |
| 125 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 126 | /***************************************************************************** |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 127 | * SATA |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 128 | ****************************************************************************/ |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 129 | void __init orion5x_sata_init(struct mv_sata_platform_data *sata_data) |
| 130 | { |
Andrew Lunn | db33f4d | 2011-12-07 21:48:08 +0100 | [diff] [blame] | 131 | orion_sata_init(sata_data, ORION5X_SATA_PHYS_BASE, IRQ_ORION5X_SATA); |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 132 | } |
| 133 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 134 | |
| 135 | /***************************************************************************** |
Lennert Buytenhek | d323ade | 2008-08-29 06:55:06 +0200 | [diff] [blame] | 136 | * SPI |
| 137 | ****************************************************************************/ |
Lennert Buytenhek | d323ade | 2008-08-29 06:55:06 +0200 | [diff] [blame] | 138 | void __init orion5x_spi_init() |
| 139 | { |
Andrew Lunn | 4574b88 | 2012-04-06 17:17:26 +0200 | [diff] [blame] | 140 | orion_spi_init(SPI_PHYS_BASE); |
Lennert Buytenhek | d323ade | 2008-08-29 06:55:06 +0200 | [diff] [blame] | 141 | } |
| 142 | |
| 143 | |
| 144 | /***************************************************************************** |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 145 | * UART0 |
| 146 | ****************************************************************************/ |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 147 | void __init orion5x_uart0_init(void) |
| 148 | { |
Andrew Lunn | 28a2b45 | 2011-05-15 13:32:41 +0200 | [diff] [blame] | 149 | orion_uart0_init(UART0_VIRT_BASE, UART0_PHYS_BASE, |
Andrew Lunn | 74c3357 | 2011-12-24 03:06:34 +0100 | [diff] [blame] | 150 | IRQ_ORION5X_UART0, tclk); |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 151 | } |
| 152 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 153 | /***************************************************************************** |
| 154 | * UART1 |
| 155 | ****************************************************************************/ |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 156 | void __init orion5x_uart1_init(void) |
| 157 | { |
Andrew Lunn | 28a2b45 | 2011-05-15 13:32:41 +0200 | [diff] [blame] | 158 | orion_uart1_init(UART1_VIRT_BASE, UART1_PHYS_BASE, |
Andrew Lunn | 74c3357 | 2011-12-24 03:06:34 +0100 | [diff] [blame] | 159 | IRQ_ORION5X_UART1, tclk); |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 160 | } |
| 161 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 162 | /***************************************************************************** |
Saeed Bishara | 1d5a1a6 | 2008-06-16 23:25:12 -1100 | [diff] [blame] | 163 | * XOR engine |
| 164 | ****************************************************************************/ |
Saeed Bishara | 1d5a1a6 | 2008-06-16 23:25:12 -1100 | [diff] [blame] | 165 | void __init orion5x_xor_init(void) |
| 166 | { |
Andrew Lunn | db33f4d | 2011-12-07 21:48:08 +0100 | [diff] [blame] | 167 | orion_xor0_init(ORION5X_XOR_PHYS_BASE, |
Andrew Lunn | ee96272 | 2011-05-15 13:32:48 +0200 | [diff] [blame] | 168 | ORION5X_XOR_PHYS_BASE + 0x200, |
| 169 | IRQ_ORION5X_XOR0, IRQ_ORION5X_XOR1); |
Saeed Bishara | 1d5a1a6 | 2008-06-16 23:25:12 -1100 | [diff] [blame] | 170 | } |
| 171 | |
Andrew Lunn | 4435006 | 2011-05-15 13:32:51 +0200 | [diff] [blame] | 172 | /***************************************************************************** |
| 173 | * Cryptographic Engines and Security Accelerator (CESA) |
| 174 | ****************************************************************************/ |
| 175 | static void __init orion5x_crypto_init(void) |
Sebastian Andrzej Siewior | 3a8f744 | 2009-05-07 22:59:24 +0200 | [diff] [blame] | 176 | { |
Thomas Petazzoni | 4ca2c04 | 2013-07-26 10:17:42 -0300 | [diff] [blame] | 177 | mvebu_mbus_add_window_by_id(ORION_MBUS_SRAM_TARGET, |
| 178 | ORION_MBUS_SRAM_ATTR, |
| 179 | ORION5X_SRAM_PHYS_BASE, |
| 180 | ORION5X_SRAM_SIZE); |
Andrew Lunn | 4435006 | 2011-05-15 13:32:51 +0200 | [diff] [blame] | 181 | orion_crypto_init(ORION5X_CRYPTO_PHYS_BASE, ORION5X_SRAM_PHYS_BASE, |
| 182 | SZ_8K, IRQ_ORION5X_CESA); |
Sebastian Andrzej Siewior | 3a8f744 | 2009-05-07 22:59:24 +0200 | [diff] [blame] | 183 | } |
Saeed Bishara | 1d5a1a6 | 2008-06-16 23:25:12 -1100 | [diff] [blame] | 184 | |
| 185 | /***************************************************************************** |
Thomas Reitmayr | 9e058d4 | 2009-02-24 14:59:22 -0800 | [diff] [blame] | 186 | * Watchdog |
| 187 | ****************************************************************************/ |
Thomas Reitmayr | 9e058d4 | 2009-02-24 14:59:22 -0800 | [diff] [blame] | 188 | void __init orion5x_wdt_init(void) |
| 189 | { |
Andrew Lunn | 4f04be6 | 2012-03-04 16:57:31 +0100 | [diff] [blame] | 190 | orion_wdt_init(); |
Thomas Reitmayr | 9e058d4 | 2009-02-24 14:59:22 -0800 | [diff] [blame] | 191 | } |
| 192 | |
| 193 | |
| 194 | /***************************************************************************** |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 195 | * Time handling |
| 196 | ****************************************************************************/ |
Lennert Buytenhek | 4ee1f6b | 2010-10-15 16:50:26 +0200 | [diff] [blame] | 197 | void __init orion5x_init_early(void) |
| 198 | { |
Thomas Petazzoni | 5d1190e | 2013-03-21 17:59:18 +0100 | [diff] [blame] | 199 | u32 rev, dev; |
| 200 | const char *mbus_soc_name; |
| 201 | |
Lennert Buytenhek | 4ee1f6b | 2010-10-15 16:50:26 +0200 | [diff] [blame] | 202 | orion_time_set_base(TIMER_VIRT_BASE); |
Andrew Lunn | 84d5dfb | 2012-09-24 07:54:33 +0200 | [diff] [blame] | 203 | |
Thomas Petazzoni | 5d1190e | 2013-03-21 17:59:18 +0100 | [diff] [blame] | 204 | /* Initialize the MBUS driver */ |
| 205 | orion5x_pcie_id(&dev, &rev); |
| 206 | if (dev == MV88F5281_DEV_ID) |
| 207 | mbus_soc_name = "marvell,orion5x-88f5281-mbus"; |
| 208 | else if (dev == MV88F5182_DEV_ID) |
| 209 | mbus_soc_name = "marvell,orion5x-88f5182-mbus"; |
| 210 | else if (dev == MV88F5181_DEV_ID) |
| 211 | mbus_soc_name = "marvell,orion5x-88f5181-mbus"; |
| 212 | else if (dev == MV88F6183_DEV_ID) |
| 213 | mbus_soc_name = "marvell,orion5x-88f6183-mbus"; |
| 214 | else |
| 215 | mbus_soc_name = NULL; |
| 216 | mvebu_mbus_init(mbus_soc_name, ORION5X_BRIDGE_WINS_BASE, |
| 217 | ORION5X_BRIDGE_WINS_SZ, |
| 218 | ORION5X_DDR_WINS_BASE, ORION5X_DDR_WINS_SZ); |
| 219 | } |
| 220 | |
| 221 | void orion5x_setup_wins(void) |
| 222 | { |
| 223 | /* |
| 224 | * The PCIe windows will no longer be statically allocated |
| 225 | * here once Orion5x is migrated to the pci-mvebu driver. |
| 226 | */ |
Thomas Petazzoni | 4ca2c04 | 2013-07-26 10:17:42 -0300 | [diff] [blame] | 227 | mvebu_mbus_add_window_remap_by_id(ORION_MBUS_PCIE_IO_TARGET, |
| 228 | ORION_MBUS_PCIE_IO_ATTR, |
| 229 | ORION5X_PCIE_IO_PHYS_BASE, |
Thomas Petazzoni | 5d1190e | 2013-03-21 17:59:18 +0100 | [diff] [blame] | 230 | ORION5X_PCIE_IO_SIZE, |
Thomas Petazzoni | 4ca2c04 | 2013-07-26 10:17:42 -0300 | [diff] [blame] | 231 | ORION5X_PCIE_IO_BUS_BASE); |
| 232 | mvebu_mbus_add_window_by_id(ORION_MBUS_PCIE_MEM_TARGET, |
| 233 | ORION_MBUS_PCIE_MEM_ATTR, |
| 234 | ORION5X_PCIE_MEM_PHYS_BASE, |
| 235 | ORION5X_PCIE_MEM_SIZE); |
| 236 | mvebu_mbus_add_window_remap_by_id(ORION_MBUS_PCI_IO_TARGET, |
| 237 | ORION_MBUS_PCI_IO_ATTR, |
| 238 | ORION5X_PCI_IO_PHYS_BASE, |
Thomas Petazzoni | 5d1190e | 2013-03-21 17:59:18 +0100 | [diff] [blame] | 239 | ORION5X_PCI_IO_SIZE, |
Thomas Petazzoni | 4ca2c04 | 2013-07-26 10:17:42 -0300 | [diff] [blame] | 240 | ORION5X_PCI_IO_BUS_BASE); |
| 241 | mvebu_mbus_add_window_by_id(ORION_MBUS_PCI_MEM_TARGET, |
| 242 | ORION_MBUS_PCI_MEM_ATTR, |
| 243 | ORION5X_PCI_MEM_PHYS_BASE, |
| 244 | ORION5X_PCI_MEM_SIZE); |
Lennert Buytenhek | 4ee1f6b | 2010-10-15 16:50:26 +0200 | [diff] [blame] | 245 | } |
| 246 | |
Lennert Buytenhek | ebe35af | 2008-08-29 05:55:51 +0200 | [diff] [blame] | 247 | int orion5x_tclk; |
| 248 | |
| 249 | int __init orion5x_find_tclk(void) |
| 250 | { |
Lennert Buytenhek | d323ade | 2008-08-29 06:55:06 +0200 | [diff] [blame] | 251 | u32 dev, rev; |
| 252 | |
| 253 | orion5x_pcie_id(&dev, &rev); |
| 254 | if (dev == MV88F6183_DEV_ID && |
| 255 | (readl(MPP_RESET_SAMPLE) & 0x00000200) == 0) |
| 256 | return 133333333; |
| 257 | |
Lennert Buytenhek | ebe35af | 2008-08-29 05:55:51 +0200 | [diff] [blame] | 258 | return 166666667; |
| 259 | } |
| 260 | |
Stephen Warren | 6bb27d7 | 2012-11-08 12:40:59 -0700 | [diff] [blame] | 261 | void __init orion5x_timer_init(void) |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 262 | { |
Lennert Buytenhek | ebe35af | 2008-08-29 05:55:51 +0200 | [diff] [blame] | 263 | orion5x_tclk = orion5x_find_tclk(); |
Lennert Buytenhek | 4ee1f6b | 2010-10-15 16:50:26 +0200 | [diff] [blame] | 264 | |
| 265 | orion_time_init(ORION5X_BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR, |
| 266 | IRQ_ORION5X_BRIDGE, orion5x_tclk); |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 267 | } |
| 268 | |
Lennert Buytenhek | 044f6c7 | 2008-04-22 05:37:12 +0200 | [diff] [blame] | 269 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 270 | /***************************************************************************** |
| 271 | * General |
| 272 | ****************************************************************************/ |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 273 | /* |
Lennert Buytenhek | b46926b | 2008-04-25 16:31:32 -0400 | [diff] [blame] | 274 | * Identify device ID and rev from PCIe configuration header space '0'. |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 275 | */ |
Thomas Petazzoni | 1bffb4a | 2012-11-16 16:39:45 +0100 | [diff] [blame] | 276 | void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name) |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 277 | { |
| 278 | orion5x_pcie_id(dev, rev); |
| 279 | |
| 280 | if (*dev == MV88F5281_DEV_ID) { |
| 281 | if (*rev == MV88F5281_REV_D2) { |
| 282 | *dev_name = "MV88F5281-D2"; |
| 283 | } else if (*rev == MV88F5281_REV_D1) { |
| 284 | *dev_name = "MV88F5281-D1"; |
Lennert Buytenhek | ce72e36e | 2008-08-09 15:17:27 +0200 | [diff] [blame] | 285 | } else if (*rev == MV88F5281_REV_D0) { |
| 286 | *dev_name = "MV88F5281-D0"; |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 287 | } else { |
| 288 | *dev_name = "MV88F5281-Rev-Unsupported"; |
| 289 | } |
| 290 | } else if (*dev == MV88F5182_DEV_ID) { |
| 291 | if (*rev == MV88F5182_REV_A2) { |
| 292 | *dev_name = "MV88F5182-A2"; |
| 293 | } else { |
| 294 | *dev_name = "MV88F5182-Rev-Unsupported"; |
| 295 | } |
| 296 | } else if (*dev == MV88F5181_DEV_ID) { |
| 297 | if (*rev == MV88F5181_REV_B1) { |
| 298 | *dev_name = "MV88F5181-Rev-B1"; |
Lennert Buytenhek | d2b2a6b | 2008-05-31 08:30:40 +0200 | [diff] [blame] | 299 | } else if (*rev == MV88F5181L_REV_A1) { |
| 300 | *dev_name = "MV88F5181L-Rev-A1"; |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 301 | } else { |
Lennert Buytenhek | d2b2a6b | 2008-05-31 08:30:40 +0200 | [diff] [blame] | 302 | *dev_name = "MV88F5181(L)-Rev-Unsupported"; |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 303 | } |
Lennert Buytenhek | d323ade | 2008-08-29 06:55:06 +0200 | [diff] [blame] | 304 | } else if (*dev == MV88F6183_DEV_ID) { |
| 305 | if (*rev == MV88F6183_REV_B0) { |
| 306 | *dev_name = "MV88F6183-Rev-B0"; |
| 307 | } else { |
| 308 | *dev_name = "MV88F6183-Rev-Unsupported"; |
| 309 | } |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 310 | } else { |
| 311 | *dev_name = "Device-Unknown"; |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | void __init orion5x_init(void) |
| 316 | { |
| 317 | char *dev_name; |
| 318 | u32 dev, rev; |
| 319 | |
| 320 | orion5x_id(&dev, &rev, &dev_name); |
Lennert Buytenhek | ebe35af | 2008-08-29 05:55:51 +0200 | [diff] [blame] | 321 | printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk); |
| 322 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 323 | /* |
| 324 | * Setup Orion address map |
| 325 | */ |
Thomas Petazzoni | 5d1190e | 2013-03-21 17:59:18 +0100 | [diff] [blame] | 326 | orion5x_setup_wins(); |
Lennert Buytenhek | ce72e36e | 2008-08-09 15:17:27 +0200 | [diff] [blame] | 327 | |
Andrew Lunn | 2f129bf | 2011-12-15 08:15:07 +0100 | [diff] [blame] | 328 | /* Setup root of clk tree */ |
| 329 | clk_init(); |
| 330 | |
Lennert Buytenhek | ce72e36e | 2008-08-09 15:17:27 +0200 | [diff] [blame] | 331 | /* |
| 332 | * Don't issue "Wait for Interrupt" instruction if we are |
| 333 | * running on D0 5281 silicon. |
| 334 | */ |
| 335 | if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) { |
| 336 | printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n"); |
Thomas Gleixner | f7b861b | 2013-03-21 22:49:38 +0100 | [diff] [blame] | 337 | cpu_idle_poll_ctrl(true); |
Lennert Buytenhek | ce72e36e | 2008-08-09 15:17:27 +0200 | [diff] [blame] | 338 | } |
Thomas Reitmayr | 9e058d4 | 2009-02-24 14:59:22 -0800 | [diff] [blame] | 339 | |
| 340 | /* |
Nicolas Pitre | 3fade49 | 2009-06-11 22:27:20 +0200 | [diff] [blame] | 341 | * The 5082/5181l/5182/6082/6082l/6183 have crypto |
| 342 | * while 5180n/5181/5281 don't have crypto. |
| 343 | */ |
| 344 | if ((dev == MV88F5181_DEV_ID && rev >= MV88F5181L_REV_A0) || |
| 345 | dev == MV88F5182_DEV_ID || dev == MV88F6183_DEV_ID) |
| 346 | orion5x_crypto_init(); |
| 347 | |
| 348 | /* |
Thomas Reitmayr | 9e058d4 | 2009-02-24 14:59:22 -0800 | [diff] [blame] | 349 | * Register watchdog driver |
| 350 | */ |
| 351 | orion5x_wdt_init(); |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 352 | } |
| 353 | |
Robin Holt | 7b6d864 | 2013-07-08 16:01:40 -0700 | [diff] [blame] | 354 | void orion5x_restart(enum reboot_mode mode, const char *cmd) |
Russell King | 764cbcc2 | 2011-11-05 10:13:41 +0000 | [diff] [blame] | 355 | { |
| 356 | /* |
| 357 | * Enable and issue soft reset |
| 358 | */ |
| 359 | orion5x_setbits(RSTOUTn_MASK, (1 << 2)); |
| 360 | orion5x_setbits(CPU_SOFT_RESET, 1); |
| 361 | mdelay(200); |
| 362 | orion5x_clrbits(CPU_SOFT_RESET, 1); |
| 363 | } |
| 364 | |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 365 | /* |
| 366 | * Many orion-based systems have buggy bootloader implementations. |
| 367 | * This is a common fixup for bogus memory tags. |
| 368 | */ |
Russell King | 0744a3e | 2010-12-20 10:37:50 +0000 | [diff] [blame] | 369 | void __init tag_fixup_mem32(struct tag *t, char **from, |
| 370 | struct meminfo *meminfo) |
Lennert Buytenhek | 9dd0b19 | 2008-03-27 14:51:41 -0400 | [diff] [blame] | 371 | { |
| 372 | for (; t->hdr.size; t = tag_next(t)) |
| 373 | if (t->hdr.tag == ATAG_MEM && |
| 374 | (!t->u.mem.size || t->u.mem.size & ~PAGE_MASK || |
| 375 | t->u.mem.start & ~PAGE_MASK)) { |
| 376 | printk(KERN_WARNING |
| 377 | "Clearing invalid memory bank %dKB@0x%08x\n", |
| 378 | t->u.mem.size / 1024, t->u.mem.start); |
| 379 | t->hdr.tag = 0; |
| 380 | } |
| 381 | } |