Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Sonics Silicon Backplane PCI-Hostbus related functions. |
| 3 | * |
| 4 | * Copyright (C) 2005-2006 Michael Buesch <mb@bu3sch.de> |
| 5 | * Copyright (C) 2005 Martin Langer <martin-langer@gmx.de> |
| 6 | * Copyright (C) 2005 Stefano Brivio <st3@riseup.net> |
| 7 | * Copyright (C) 2005 Danny van Dyk <kugelfang@gentoo.org> |
| 8 | * Copyright (C) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch> |
| 9 | * |
| 10 | * Derived from the Broadcom 4400 device driver. |
| 11 | * Copyright (C) 2002 David S. Miller (davem@redhat.com) |
| 12 | * Fixed by Pekka Pietikainen (pp@ee.oulu.fi) |
| 13 | * Copyright (C) 2006 Broadcom Corporation. |
| 14 | * |
| 15 | * Licensed under the GNU/GPL. See COPYING for details. |
| 16 | */ |
| 17 | |
| 18 | #include <linux/ssb/ssb.h> |
| 19 | #include <linux/ssb/ssb_regs.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 20 | #include <linux/slab.h> |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 21 | #include <linux/pci.h> |
| 22 | #include <linux/delay.h> |
| 23 | |
| 24 | #include "ssb_private.h" |
| 25 | |
| 26 | |
| 27 | /* Define the following to 1 to enable a printk on each coreswitch. */ |
| 28 | #define SSB_VERBOSE_PCICORESWITCH_DEBUG 0 |
| 29 | |
| 30 | |
| 31 | /* Lowlevel coreswitching */ |
| 32 | int ssb_pci_switch_coreidx(struct ssb_bus *bus, u8 coreidx) |
| 33 | { |
| 34 | int err; |
| 35 | int attempts = 0; |
| 36 | u32 cur_core; |
| 37 | |
| 38 | while (1) { |
| 39 | err = pci_write_config_dword(bus->host_pci, SSB_BAR0_WIN, |
| 40 | (coreidx * SSB_CORE_SIZE) |
| 41 | + SSB_ENUM_BASE); |
| 42 | if (err) |
| 43 | goto error; |
| 44 | err = pci_read_config_dword(bus->host_pci, SSB_BAR0_WIN, |
| 45 | &cur_core); |
| 46 | if (err) |
| 47 | goto error; |
| 48 | cur_core = (cur_core - SSB_ENUM_BASE) |
| 49 | / SSB_CORE_SIZE; |
| 50 | if (cur_core == coreidx) |
| 51 | break; |
| 52 | |
| 53 | if (attempts++ > SSB_BAR0_MAX_RETRIES) |
| 54 | goto error; |
| 55 | udelay(10); |
| 56 | } |
| 57 | return 0; |
| 58 | error: |
| 59 | ssb_printk(KERN_ERR PFX "Failed to switch to core %u\n", coreidx); |
| 60 | return -ENODEV; |
| 61 | } |
| 62 | |
| 63 | int ssb_pci_switch_core(struct ssb_bus *bus, |
| 64 | struct ssb_device *dev) |
| 65 | { |
| 66 | int err; |
| 67 | unsigned long flags; |
| 68 | |
| 69 | #if SSB_VERBOSE_PCICORESWITCH_DEBUG |
| 70 | ssb_printk(KERN_INFO PFX |
| 71 | "Switching to %s core, index %d\n", |
| 72 | ssb_core_name(dev->id.coreid), |
| 73 | dev->core_index); |
| 74 | #endif |
| 75 | |
| 76 | spin_lock_irqsave(&bus->bar_lock, flags); |
| 77 | err = ssb_pci_switch_coreidx(bus, dev->core_index); |
| 78 | if (!err) |
| 79 | bus->mapped_device = dev; |
| 80 | spin_unlock_irqrestore(&bus->bar_lock, flags); |
| 81 | |
| 82 | return err; |
| 83 | } |
| 84 | |
| 85 | /* Enable/disable the on board crystal oscillator and/or PLL. */ |
| 86 | int ssb_pci_xtal(struct ssb_bus *bus, u32 what, int turn_on) |
| 87 | { |
| 88 | int err; |
| 89 | u32 in, out, outenable; |
| 90 | u16 pci_status; |
| 91 | |
| 92 | if (bus->bustype != SSB_BUSTYPE_PCI) |
| 93 | return 0; |
| 94 | |
| 95 | err = pci_read_config_dword(bus->host_pci, SSB_GPIO_IN, &in); |
| 96 | if (err) |
| 97 | goto err_pci; |
| 98 | err = pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT, &out); |
| 99 | if (err) |
| 100 | goto err_pci; |
| 101 | err = pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE, &outenable); |
| 102 | if (err) |
| 103 | goto err_pci; |
| 104 | |
| 105 | outenable |= what; |
| 106 | |
| 107 | if (turn_on) { |
| 108 | /* Avoid glitching the clock if GPRS is already using it. |
| 109 | * We can't actually read the state of the PLLPD so we infer it |
| 110 | * by the value of XTAL_PU which *is* readable via gpioin. |
| 111 | */ |
| 112 | if (!(in & SSB_GPIO_XTAL)) { |
| 113 | if (what & SSB_GPIO_XTAL) { |
| 114 | /* Turn the crystal on */ |
| 115 | out |= SSB_GPIO_XTAL; |
| 116 | if (what & SSB_GPIO_PLL) |
| 117 | out |= SSB_GPIO_PLL; |
| 118 | err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out); |
| 119 | if (err) |
| 120 | goto err_pci; |
| 121 | err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE, |
| 122 | outenable); |
| 123 | if (err) |
| 124 | goto err_pci; |
| 125 | msleep(1); |
| 126 | } |
| 127 | if (what & SSB_GPIO_PLL) { |
| 128 | /* Turn the PLL on */ |
| 129 | out &= ~SSB_GPIO_PLL; |
| 130 | err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out); |
| 131 | if (err) |
| 132 | goto err_pci; |
| 133 | msleep(5); |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | err = pci_read_config_word(bus->host_pci, PCI_STATUS, &pci_status); |
| 138 | if (err) |
| 139 | goto err_pci; |
| 140 | pci_status &= ~PCI_STATUS_SIG_TARGET_ABORT; |
| 141 | err = pci_write_config_word(bus->host_pci, PCI_STATUS, pci_status); |
| 142 | if (err) |
| 143 | goto err_pci; |
| 144 | } else { |
| 145 | if (what & SSB_GPIO_XTAL) { |
| 146 | /* Turn the crystal off */ |
| 147 | out &= ~SSB_GPIO_XTAL; |
| 148 | } |
| 149 | if (what & SSB_GPIO_PLL) { |
| 150 | /* Turn the PLL off */ |
| 151 | out |= SSB_GPIO_PLL; |
| 152 | } |
| 153 | err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out); |
| 154 | if (err) |
| 155 | goto err_pci; |
| 156 | err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE, outenable); |
| 157 | if (err) |
| 158 | goto err_pci; |
| 159 | } |
| 160 | |
| 161 | out: |
| 162 | return err; |
| 163 | |
| 164 | err_pci: |
| 165 | printk(KERN_ERR PFX "Error: ssb_pci_xtal() could not access PCI config space!\n"); |
| 166 | err = -EBUSY; |
| 167 | goto out; |
| 168 | } |
| 169 | |
| 170 | /* Get the word-offset for a SSB_SPROM_XXX define. */ |
Rafał Miłecki | 0a182fd | 2010-03-31 22:54:18 +0200 | [diff] [blame] | 171 | #define SPOFF(offset) ((offset) / sizeof(u16)) |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 172 | /* Helper to extract some _offset, which is one of the SSB_SPROM_XXX defines. */ |
Gábor Stefanik | f679056 | 2009-08-10 21:23:08 +0200 | [diff] [blame] | 173 | #define SPEX16(_outvar, _offset, _mask, _shift) \ |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 174 | out->_outvar = ((in[SPOFF(_offset)] & (_mask)) >> (_shift)) |
Gábor Stefanik | f679056 | 2009-08-10 21:23:08 +0200 | [diff] [blame] | 175 | #define SPEX32(_outvar, _offset, _mask, _shift) \ |
| 176 | out->_outvar = ((((u32)in[SPOFF((_offset)+2)] << 16 | \ |
| 177 | in[SPOFF(_offset)]) & (_mask)) >> (_shift)) |
| 178 | #define SPEX(_outvar, _offset, _mask, _shift) \ |
| 179 | SPEX16(_outvar, _offset, _mask, _shift) |
| 180 | |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 181 | |
| 182 | static inline u8 ssb_crc8(u8 crc, u8 data) |
| 183 | { |
| 184 | /* Polynomial: x^8 + x^7 + x^6 + x^4 + x^2 + 1 */ |
| 185 | static const u8 t[] = { |
| 186 | 0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B, |
| 187 | 0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21, |
| 188 | 0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF, |
| 189 | 0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5, |
| 190 | 0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14, |
| 191 | 0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E, |
| 192 | 0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80, |
| 193 | 0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA, |
| 194 | 0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95, |
| 195 | 0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF, |
| 196 | 0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01, |
| 197 | 0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B, |
| 198 | 0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA, |
| 199 | 0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0, |
| 200 | 0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E, |
| 201 | 0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34, |
| 202 | 0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0, |
| 203 | 0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A, |
| 204 | 0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54, |
| 205 | 0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E, |
| 206 | 0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF, |
| 207 | 0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5, |
| 208 | 0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B, |
| 209 | 0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61, |
| 210 | 0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E, |
| 211 | 0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74, |
| 212 | 0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA, |
| 213 | 0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0, |
| 214 | 0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41, |
| 215 | 0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B, |
| 216 | 0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5, |
| 217 | 0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F, |
| 218 | }; |
| 219 | return t[crc ^ data]; |
| 220 | } |
| 221 | |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 222 | static u8 ssb_sprom_crc(const u16 *sprom, u16 size) |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 223 | { |
| 224 | int word; |
| 225 | u8 crc = 0xFF; |
| 226 | |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 227 | for (word = 0; word < size - 1; word++) { |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 228 | crc = ssb_crc8(crc, sprom[word] & 0x00FF); |
| 229 | crc = ssb_crc8(crc, (sprom[word] & 0xFF00) >> 8); |
| 230 | } |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 231 | crc = ssb_crc8(crc, sprom[size - 1] & 0x00FF); |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 232 | crc ^= 0xFF; |
| 233 | |
| 234 | return crc; |
| 235 | } |
| 236 | |
Michael Buesch | e7ec2e3 | 2008-03-10 17:26:32 +0100 | [diff] [blame] | 237 | static int sprom_check_crc(const u16 *sprom, size_t size) |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 238 | { |
| 239 | u8 crc; |
| 240 | u8 expected_crc; |
| 241 | u16 tmp; |
| 242 | |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 243 | crc = ssb_sprom_crc(sprom, size); |
| 244 | tmp = sprom[size - 1] & SSB_SPROM_REVISION_CRC; |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 245 | expected_crc = tmp >> SSB_SPROM_REVISION_CRC_SHIFT; |
| 246 | if (crc != expected_crc) |
| 247 | return -EPROTO; |
| 248 | |
| 249 | return 0; |
| 250 | } |
| 251 | |
Michael Buesch | e7ec2e3 | 2008-03-10 17:26:32 +0100 | [diff] [blame] | 252 | static int sprom_do_read(struct ssb_bus *bus, u16 *sprom) |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 253 | { |
| 254 | int i; |
| 255 | |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 256 | for (i = 0; i < bus->sprom_size; i++) |
Rafał Miłecki | ea2db49 | 2010-03-31 21:59:21 +0200 | [diff] [blame] | 257 | sprom[i] = ioread16(bus->mmio + bus->sprom_offset + (i * 2)); |
Michael Buesch | e7ec2e3 | 2008-03-10 17:26:32 +0100 | [diff] [blame] | 258 | |
| 259 | return 0; |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 260 | } |
| 261 | |
| 262 | static int sprom_do_write(struct ssb_bus *bus, const u16 *sprom) |
| 263 | { |
| 264 | struct pci_dev *pdev = bus->host_pci; |
| 265 | int i, err; |
| 266 | u32 spromctl; |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 267 | u16 size = bus->sprom_size; |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 268 | |
| 269 | ssb_printk(KERN_NOTICE PFX "Writing SPROM. Do NOT turn off the power! Please stand by...\n"); |
| 270 | err = pci_read_config_dword(pdev, SSB_SPROMCTL, &spromctl); |
| 271 | if (err) |
| 272 | goto err_ctlreg; |
| 273 | spromctl |= SSB_SPROMCTL_WE; |
| 274 | err = pci_write_config_dword(pdev, SSB_SPROMCTL, spromctl); |
| 275 | if (err) |
| 276 | goto err_ctlreg; |
| 277 | ssb_printk(KERN_NOTICE PFX "[ 0%%"); |
| 278 | msleep(500); |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 279 | for (i = 0; i < size; i++) { |
| 280 | if (i == size / 4) |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 281 | ssb_printk("25%%"); |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 282 | else if (i == size / 2) |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 283 | ssb_printk("50%%"); |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 284 | else if (i == (size * 3) / 4) |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 285 | ssb_printk("75%%"); |
| 286 | else if (i % 2) |
| 287 | ssb_printk("."); |
Rafał Miłecki | ea2db49 | 2010-03-31 21:59:21 +0200 | [diff] [blame] | 288 | writew(sprom[i], bus->mmio + bus->sprom_offset + (i * 2)); |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 289 | mmiowb(); |
| 290 | msleep(20); |
| 291 | } |
| 292 | err = pci_read_config_dword(pdev, SSB_SPROMCTL, &spromctl); |
| 293 | if (err) |
| 294 | goto err_ctlreg; |
| 295 | spromctl &= ~SSB_SPROMCTL_WE; |
| 296 | err = pci_write_config_dword(pdev, SSB_SPROMCTL, spromctl); |
| 297 | if (err) |
| 298 | goto err_ctlreg; |
| 299 | msleep(500); |
| 300 | ssb_printk("100%% ]\n"); |
| 301 | ssb_printk(KERN_NOTICE PFX "SPROM written.\n"); |
| 302 | |
| 303 | return 0; |
| 304 | err_ctlreg: |
| 305 | ssb_printk(KERN_ERR PFX "Could not access SPROM control register.\n"); |
| 306 | return err; |
| 307 | } |
| 308 | |
Michael Buesch | e861b98 | 2007-12-22 21:51:30 +0100 | [diff] [blame] | 309 | static s8 r123_extract_antgain(u8 sprom_revision, const u16 *in, |
| 310 | u16 mask, u16 shift) |
| 311 | { |
| 312 | u16 v; |
| 313 | u8 gain; |
| 314 | |
| 315 | v = in[SPOFF(SSB_SPROM1_AGAIN)]; |
| 316 | gain = (v & mask) >> shift; |
| 317 | if (gain == 0xFF) |
| 318 | gain = 2; /* If unset use 2dBm */ |
| 319 | if (sprom_revision == 1) { |
| 320 | /* Convert to Q5.2 */ |
| 321 | gain <<= 2; |
| 322 | } else { |
| 323 | /* Q5.2 Fractional part is stored in 0xC0 */ |
| 324 | gain = ((gain & 0xC0) >> 6) | ((gain & 0x3F) << 2); |
| 325 | } |
| 326 | |
| 327 | return (s8)gain; |
| 328 | } |
| 329 | |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 330 | static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in) |
| 331 | { |
| 332 | int i; |
| 333 | u16 v; |
Michael Buesch | e861b98 | 2007-12-22 21:51:30 +0100 | [diff] [blame] | 334 | s8 gain; |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 335 | u16 loc[3]; |
| 336 | |
Larry Finger | 31ce12f | 2008-08-20 17:45:06 -0500 | [diff] [blame] | 337 | if (out->revision == 3) /* rev 3 moved MAC */ |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 338 | loc[0] = SSB_SPROM3_IL0MAC; |
Larry Finger | 31ce12f | 2008-08-20 17:45:06 -0500 | [diff] [blame] | 339 | else { |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 340 | loc[0] = SSB_SPROM1_IL0MAC; |
| 341 | loc[1] = SSB_SPROM1_ET0MAC; |
| 342 | loc[2] = SSB_SPROM1_ET1MAC; |
| 343 | } |
| 344 | for (i = 0; i < 3; i++) { |
| 345 | v = in[SPOFF(loc[0]) + i]; |
| 346 | *(((__be16 *)out->il0mac) + i) = cpu_to_be16(v); |
| 347 | } |
Larry Finger | 31ce12f | 2008-08-20 17:45:06 -0500 | [diff] [blame] | 348 | if (out->revision < 3) { /* only rev 1-2 have et0, et1 */ |
| 349 | for (i = 0; i < 3; i++) { |
| 350 | v = in[SPOFF(loc[1]) + i]; |
| 351 | *(((__be16 *)out->et0mac) + i) = cpu_to_be16(v); |
| 352 | } |
| 353 | for (i = 0; i < 3; i++) { |
| 354 | v = in[SPOFF(loc[2]) + i]; |
| 355 | *(((__be16 *)out->et1mac) + i) = cpu_to_be16(v); |
| 356 | } |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 357 | } |
| 358 | SPEX(et0phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0A, 0); |
| 359 | SPEX(et1phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1A, |
| 360 | SSB_SPROM1_ETHPHY_ET1A_SHIFT); |
Michael Buesch | e861b98 | 2007-12-22 21:51:30 +0100 | [diff] [blame] | 361 | SPEX(et0mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0M, 14); |
| 362 | SPEX(et1mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1M, 15); |
| 363 | SPEX(board_rev, SSB_SPROM1_BINF, SSB_SPROM1_BINF_BREV, 0); |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 364 | SPEX(country_code, SSB_SPROM1_BINF, SSB_SPROM1_BINF_CCODE, |
| 365 | SSB_SPROM1_BINF_CCODE_SHIFT); |
Michael Buesch | e861b98 | 2007-12-22 21:51:30 +0100 | [diff] [blame] | 366 | SPEX(ant_available_a, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTA, |
| 367 | SSB_SPROM1_BINF_ANTA_SHIFT); |
| 368 | SPEX(ant_available_bg, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTBG, |
| 369 | SSB_SPROM1_BINF_ANTBG_SHIFT); |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 370 | SPEX(pa0b0, SSB_SPROM1_PA0B0, 0xFFFF, 0); |
| 371 | SPEX(pa0b1, SSB_SPROM1_PA0B1, 0xFFFF, 0); |
| 372 | SPEX(pa0b2, SSB_SPROM1_PA0B2, 0xFFFF, 0); |
| 373 | SPEX(pa1b0, SSB_SPROM1_PA1B0, 0xFFFF, 0); |
| 374 | SPEX(pa1b1, SSB_SPROM1_PA1B1, 0xFFFF, 0); |
| 375 | SPEX(pa1b2, SSB_SPROM1_PA1B2, 0xFFFF, 0); |
| 376 | SPEX(gpio0, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P0, 0); |
| 377 | SPEX(gpio1, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P1, |
| 378 | SSB_SPROM1_GPIOA_P1_SHIFT); |
| 379 | SPEX(gpio2, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P2, 0); |
| 380 | SPEX(gpio3, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P3, |
| 381 | SSB_SPROM1_GPIOB_P3_SHIFT); |
| 382 | SPEX(maxpwr_a, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_A, |
| 383 | SSB_SPROM1_MAXPWR_A_SHIFT); |
| 384 | SPEX(maxpwr_bg, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_BG, 0); |
| 385 | SPEX(itssi_a, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_A, |
| 386 | SSB_SPROM1_ITSSI_A_SHIFT); |
| 387 | SPEX(itssi_bg, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_BG, 0); |
| 388 | SPEX(boardflags_lo, SSB_SPROM1_BFLLO, 0xFFFF, 0); |
Michael Buesch | af4b7450 | 2008-01-13 21:08:24 +0100 | [diff] [blame] | 389 | if (out->revision >= 2) |
| 390 | SPEX(boardflags_hi, SSB_SPROM2_BFLHI, 0xFFFF, 0); |
Michael Buesch | e861b98 | 2007-12-22 21:51:30 +0100 | [diff] [blame] | 391 | |
| 392 | /* Extract the antenna gain values. */ |
| 393 | gain = r123_extract_antgain(out->revision, in, |
| 394 | SSB_SPROM1_AGAIN_BG, |
| 395 | SSB_SPROM1_AGAIN_BG_SHIFT); |
| 396 | out->antenna_gain.ghz24.a0 = gain; |
| 397 | out->antenna_gain.ghz24.a1 = gain; |
| 398 | out->antenna_gain.ghz24.a2 = gain; |
| 399 | out->antenna_gain.ghz24.a3 = gain; |
| 400 | gain = r123_extract_antgain(out->revision, in, |
| 401 | SSB_SPROM1_AGAIN_A, |
| 402 | SSB_SPROM1_AGAIN_A_SHIFT); |
| 403 | out->antenna_gain.ghz5.a0 = gain; |
| 404 | out->antenna_gain.ghz5.a1 = gain; |
| 405 | out->antenna_gain.ghz5.a2 = gain; |
| 406 | out->antenna_gain.ghz5.a3 = gain; |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 407 | } |
| 408 | |
Larry Finger | 095f695 | 2008-08-19 12:50:31 -0500 | [diff] [blame] | 409 | static void sprom_extract_r45(struct ssb_sprom *out, const u16 *in) |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 410 | { |
| 411 | int i; |
| 412 | u16 v; |
Larry Finger | 095f695 | 2008-08-19 12:50:31 -0500 | [diff] [blame] | 413 | u16 il0mac_offset; |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 414 | |
Larry Finger | 095f695 | 2008-08-19 12:50:31 -0500 | [diff] [blame] | 415 | if (out->revision == 4) |
| 416 | il0mac_offset = SSB_SPROM4_IL0MAC; |
| 417 | else |
| 418 | il0mac_offset = SSB_SPROM5_IL0MAC; |
Larry Finger | 31ce12f | 2008-08-20 17:45:06 -0500 | [diff] [blame] | 419 | /* extract the MAC address */ |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 420 | for (i = 0; i < 3; i++) { |
Larry Finger | 095f695 | 2008-08-19 12:50:31 -0500 | [diff] [blame] | 421 | v = in[SPOFF(il0mac_offset) + i]; |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 422 | *(((__be16 *)out->il0mac) + i) = cpu_to_be16(v); |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 423 | } |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 424 | SPEX(et0phyaddr, SSB_SPROM4_ETHPHY, SSB_SPROM4_ETHPHY_ET0A, 0); |
| 425 | SPEX(et1phyaddr, SSB_SPROM4_ETHPHY, SSB_SPROM4_ETHPHY_ET1A, |
| 426 | SSB_SPROM4_ETHPHY_ET1A_SHIFT); |
Larry Finger | 095f695 | 2008-08-19 12:50:31 -0500 | [diff] [blame] | 427 | if (out->revision == 4) { |
| 428 | SPEX(country_code, SSB_SPROM4_CCODE, 0xFFFF, 0); |
| 429 | SPEX(boardflags_lo, SSB_SPROM4_BFLLO, 0xFFFF, 0); |
| 430 | SPEX(boardflags_hi, SSB_SPROM4_BFLHI, 0xFFFF, 0); |
| 431 | } else { |
| 432 | SPEX(country_code, SSB_SPROM5_CCODE, 0xFFFF, 0); |
| 433 | SPEX(boardflags_lo, SSB_SPROM5_BFLLO, 0xFFFF, 0); |
| 434 | SPEX(boardflags_hi, SSB_SPROM5_BFLHI, 0xFFFF, 0); |
| 435 | } |
Michael Buesch | e861b98 | 2007-12-22 21:51:30 +0100 | [diff] [blame] | 436 | SPEX(ant_available_a, SSB_SPROM4_ANTAVAIL, SSB_SPROM4_ANTAVAIL_A, |
| 437 | SSB_SPROM4_ANTAVAIL_A_SHIFT); |
| 438 | SPEX(ant_available_bg, SSB_SPROM4_ANTAVAIL, SSB_SPROM4_ANTAVAIL_BG, |
| 439 | SSB_SPROM4_ANTAVAIL_BG_SHIFT); |
Larry Finger | d3c319f | 2007-11-09 16:58:20 -0600 | [diff] [blame] | 440 | SPEX(maxpwr_bg, SSB_SPROM4_MAXP_BG, SSB_SPROM4_MAXP_BG_MASK, 0); |
| 441 | SPEX(itssi_bg, SSB_SPROM4_MAXP_BG, SSB_SPROM4_ITSSI_BG, |
| 442 | SSB_SPROM4_ITSSI_BG_SHIFT); |
| 443 | SPEX(maxpwr_a, SSB_SPROM4_MAXP_A, SSB_SPROM4_MAXP_A_MASK, 0); |
| 444 | SPEX(itssi_a, SSB_SPROM4_MAXP_A, SSB_SPROM4_ITSSI_A, |
| 445 | SSB_SPROM4_ITSSI_A_SHIFT); |
Larry Finger | 095f695 | 2008-08-19 12:50:31 -0500 | [diff] [blame] | 446 | if (out->revision == 4) { |
| 447 | SPEX(gpio0, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P0, 0); |
| 448 | SPEX(gpio1, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P1, |
| 449 | SSB_SPROM4_GPIOA_P1_SHIFT); |
| 450 | SPEX(gpio2, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P2, 0); |
| 451 | SPEX(gpio3, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P3, |
| 452 | SSB_SPROM4_GPIOB_P3_SHIFT); |
| 453 | } else { |
| 454 | SPEX(gpio0, SSB_SPROM5_GPIOA, SSB_SPROM5_GPIOA_P0, 0); |
| 455 | SPEX(gpio1, SSB_SPROM5_GPIOA, SSB_SPROM5_GPIOA_P1, |
| 456 | SSB_SPROM5_GPIOA_P1_SHIFT); |
| 457 | SPEX(gpio2, SSB_SPROM5_GPIOB, SSB_SPROM5_GPIOB_P2, 0); |
| 458 | SPEX(gpio3, SSB_SPROM5_GPIOB, SSB_SPROM5_GPIOB_P3, |
| 459 | SSB_SPROM5_GPIOB_P3_SHIFT); |
| 460 | } |
Michael Buesch | e861b98 | 2007-12-22 21:51:30 +0100 | [diff] [blame] | 461 | |
| 462 | /* Extract the antenna gain values. */ |
| 463 | SPEX(antenna_gain.ghz24.a0, SSB_SPROM4_AGAIN01, |
| 464 | SSB_SPROM4_AGAIN0, SSB_SPROM4_AGAIN0_SHIFT); |
| 465 | SPEX(antenna_gain.ghz24.a1, SSB_SPROM4_AGAIN01, |
| 466 | SSB_SPROM4_AGAIN1, SSB_SPROM4_AGAIN1_SHIFT); |
| 467 | SPEX(antenna_gain.ghz24.a2, SSB_SPROM4_AGAIN23, |
| 468 | SSB_SPROM4_AGAIN2, SSB_SPROM4_AGAIN2_SHIFT); |
| 469 | SPEX(antenna_gain.ghz24.a3, SSB_SPROM4_AGAIN23, |
| 470 | SSB_SPROM4_AGAIN3, SSB_SPROM4_AGAIN3_SHIFT); |
| 471 | memcpy(&out->antenna_gain.ghz5, &out->antenna_gain.ghz24, |
| 472 | sizeof(out->antenna_gain.ghz5)); |
| 473 | |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 474 | /* TODO - get remaining rev 4 stuff needed */ |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 475 | } |
| 476 | |
Michael Buesch | 6b1c7c6 | 2008-12-25 00:39:28 +0100 | [diff] [blame] | 477 | static void sprom_extract_r8(struct ssb_sprom *out, const u16 *in) |
| 478 | { |
| 479 | int i; |
| 480 | u16 v; |
| 481 | |
| 482 | /* extract the MAC address */ |
| 483 | for (i = 0; i < 3; i++) { |
Gábor Stefanik | f0ea6ce | 2009-08-14 14:11:53 +0200 | [diff] [blame] | 484 | v = in[SPOFF(SSB_SPROM8_IL0MAC) + i]; |
Michael Buesch | 6b1c7c6 | 2008-12-25 00:39:28 +0100 | [diff] [blame] | 485 | *(((__be16 *)out->il0mac) + i) = cpu_to_be16(v); |
| 486 | } |
| 487 | SPEX(country_code, SSB_SPROM8_CCODE, 0xFFFF, 0); |
| 488 | SPEX(boardflags_lo, SSB_SPROM8_BFLLO, 0xFFFF, 0); |
| 489 | SPEX(boardflags_hi, SSB_SPROM8_BFLHI, 0xFFFF, 0); |
Gábor Stefanik | f679056 | 2009-08-10 21:23:08 +0200 | [diff] [blame] | 490 | SPEX(boardflags2_lo, SSB_SPROM8_BFL2LO, 0xFFFF, 0); |
| 491 | SPEX(boardflags2_hi, SSB_SPROM8_BFL2HI, 0xFFFF, 0); |
Michael Buesch | 6b1c7c6 | 2008-12-25 00:39:28 +0100 | [diff] [blame] | 492 | SPEX(ant_available_a, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_A, |
| 493 | SSB_SPROM8_ANTAVAIL_A_SHIFT); |
| 494 | SPEX(ant_available_bg, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_BG, |
| 495 | SSB_SPROM8_ANTAVAIL_BG_SHIFT); |
| 496 | SPEX(maxpwr_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_MAXP_BG_MASK, 0); |
| 497 | SPEX(itssi_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_ITSSI_BG, |
| 498 | SSB_SPROM8_ITSSI_BG_SHIFT); |
| 499 | SPEX(maxpwr_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_MAXP_A_MASK, 0); |
| 500 | SPEX(itssi_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_ITSSI_A, |
| 501 | SSB_SPROM8_ITSSI_A_SHIFT); |
Gábor Stefanik | f679056 | 2009-08-10 21:23:08 +0200 | [diff] [blame] | 502 | SPEX(maxpwr_ah, SSB_SPROM8_MAXP_AHL, SSB_SPROM8_MAXP_AH_MASK, 0); |
| 503 | SPEX(maxpwr_al, SSB_SPROM8_MAXP_AHL, SSB_SPROM8_MAXP_AL_MASK, |
| 504 | SSB_SPROM8_MAXP_AL_SHIFT); |
Michael Buesch | 6b1c7c6 | 2008-12-25 00:39:28 +0100 | [diff] [blame] | 505 | SPEX(gpio0, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P0, 0); |
| 506 | SPEX(gpio1, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P1, |
| 507 | SSB_SPROM8_GPIOA_P1_SHIFT); |
| 508 | SPEX(gpio2, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P2, 0); |
| 509 | SPEX(gpio3, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P3, |
| 510 | SSB_SPROM8_GPIOB_P3_SHIFT); |
Gábor Stefanik | f679056 | 2009-08-10 21:23:08 +0200 | [diff] [blame] | 511 | SPEX(tri2g, SSB_SPROM8_TRI25G, SSB_SPROM8_TRI2G, 0); |
| 512 | SPEX(tri5g, SSB_SPROM8_TRI25G, SSB_SPROM8_TRI5G, |
| 513 | SSB_SPROM8_TRI5G_SHIFT); |
| 514 | SPEX(tri5gl, SSB_SPROM8_TRI5GHL, SSB_SPROM8_TRI5GL, 0); |
| 515 | SPEX(tri5gh, SSB_SPROM8_TRI5GHL, SSB_SPROM8_TRI5GH, |
| 516 | SSB_SPROM8_TRI5GH_SHIFT); |
| 517 | SPEX(rxpo2g, SSB_SPROM8_RXPO, SSB_SPROM8_RXPO2G, 0); |
| 518 | SPEX(rxpo5g, SSB_SPROM8_RXPO, SSB_SPROM8_RXPO5G, |
| 519 | SSB_SPROM8_RXPO5G_SHIFT); |
| 520 | SPEX(rssismf2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISMF2G, 0); |
| 521 | SPEX(rssismc2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISMC2G, |
| 522 | SSB_SPROM8_RSSISMC2G_SHIFT); |
| 523 | SPEX(rssisav2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISAV2G, |
| 524 | SSB_SPROM8_RSSISAV2G_SHIFT); |
| 525 | SPEX(bxa2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_BXA2G, |
| 526 | SSB_SPROM8_BXA2G_SHIFT); |
| 527 | SPEX(rssismf5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISMF5G, 0); |
| 528 | SPEX(rssismc5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISMC5G, |
| 529 | SSB_SPROM8_RSSISMC5G_SHIFT); |
| 530 | SPEX(rssisav5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISAV5G, |
| 531 | SSB_SPROM8_RSSISAV5G_SHIFT); |
| 532 | SPEX(bxa5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_BXA5G, |
| 533 | SSB_SPROM8_BXA5G_SHIFT); |
| 534 | SPEX(pa0b0, SSB_SPROM8_PA0B0, 0xFFFF, 0); |
| 535 | SPEX(pa0b1, SSB_SPROM8_PA0B1, 0xFFFF, 0); |
| 536 | SPEX(pa0b2, SSB_SPROM8_PA0B2, 0xFFFF, 0); |
| 537 | SPEX(pa1b0, SSB_SPROM8_PA1B0, 0xFFFF, 0); |
| 538 | SPEX(pa1b1, SSB_SPROM8_PA1B1, 0xFFFF, 0); |
| 539 | SPEX(pa1b2, SSB_SPROM8_PA1B2, 0xFFFF, 0); |
| 540 | SPEX(pa1lob0, SSB_SPROM8_PA1LOB0, 0xFFFF, 0); |
| 541 | SPEX(pa1lob1, SSB_SPROM8_PA1LOB1, 0xFFFF, 0); |
| 542 | SPEX(pa1lob2, SSB_SPROM8_PA1LOB2, 0xFFFF, 0); |
| 543 | SPEX(pa1hib0, SSB_SPROM8_PA1HIB0, 0xFFFF, 0); |
| 544 | SPEX(pa1hib1, SSB_SPROM8_PA1HIB1, 0xFFFF, 0); |
| 545 | SPEX(pa1hib2, SSB_SPROM8_PA1HIB2, 0xFFFF, 0); |
| 546 | SPEX(cck2gpo, SSB_SPROM8_CCK2GPO, 0xFFFF, 0); |
| 547 | SPEX32(ofdm2gpo, SSB_SPROM8_OFDM2GPO, 0xFFFFFFFF, 0); |
| 548 | SPEX32(ofdm5glpo, SSB_SPROM8_OFDM5GLPO, 0xFFFFFFFF, 0); |
| 549 | SPEX32(ofdm5gpo, SSB_SPROM8_OFDM5GPO, 0xFFFFFFFF, 0); |
| 550 | SPEX32(ofdm5ghpo, SSB_SPROM8_OFDM5GHPO, 0xFFFFFFFF, 0); |
Michael Buesch | 6b1c7c6 | 2008-12-25 00:39:28 +0100 | [diff] [blame] | 551 | |
| 552 | /* Extract the antenna gain values. */ |
| 553 | SPEX(antenna_gain.ghz24.a0, SSB_SPROM8_AGAIN01, |
| 554 | SSB_SPROM8_AGAIN0, SSB_SPROM8_AGAIN0_SHIFT); |
| 555 | SPEX(antenna_gain.ghz24.a1, SSB_SPROM8_AGAIN01, |
| 556 | SSB_SPROM8_AGAIN1, SSB_SPROM8_AGAIN1_SHIFT); |
| 557 | SPEX(antenna_gain.ghz24.a2, SSB_SPROM8_AGAIN23, |
| 558 | SSB_SPROM8_AGAIN2, SSB_SPROM8_AGAIN2_SHIFT); |
| 559 | SPEX(antenna_gain.ghz24.a3, SSB_SPROM8_AGAIN23, |
| 560 | SSB_SPROM8_AGAIN3, SSB_SPROM8_AGAIN3_SHIFT); |
| 561 | memcpy(&out->antenna_gain.ghz5, &out->antenna_gain.ghz24, |
| 562 | sizeof(out->antenna_gain.ghz5)); |
| 563 | |
| 564 | /* TODO - get remaining rev 8 stuff needed */ |
| 565 | } |
| 566 | |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 567 | static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out, |
| 568 | const u16 *in, u16 size) |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 569 | { |
| 570 | memset(out, 0, sizeof(*out)); |
| 571 | |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 572 | out->revision = in[size - 1] & 0x00FF; |
Michael Buesch | e861b98 | 2007-12-22 21:51:30 +0100 | [diff] [blame] | 573 | ssb_dprintk(KERN_DEBUG PFX "SPROM revision %d detected.\n", out->revision); |
Larry Finger | 31ce12f | 2008-08-20 17:45:06 -0500 | [diff] [blame] | 574 | memset(out->et0mac, 0xFF, 6); /* preset et0 and et1 mac */ |
| 575 | memset(out->et1mac, 0xFF, 6); |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 576 | if ((bus->chip_id & 0xFF00) == 0x4400) { |
| 577 | /* Workaround: The BCM44XX chip has a stupid revision |
| 578 | * number stored in the SPROM. |
| 579 | * Always extract r1. */ |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 580 | out->revision = 1; |
| 581 | sprom_extract_r123(out, in); |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 582 | } else if (bus->chip_id == 0x4321) { |
| 583 | /* the BCM4328 has a chipid == 0x4321 and a rev 4 SPROM */ |
| 584 | out->revision = 4; |
Larry Finger | 095f695 | 2008-08-19 12:50:31 -0500 | [diff] [blame] | 585 | sprom_extract_r45(out, in); |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 586 | } else { |
Michael Buesch | 6b1c7c6 | 2008-12-25 00:39:28 +0100 | [diff] [blame] | 587 | switch (out->revision) { |
| 588 | case 1: |
| 589 | case 2: |
| 590 | case 3: |
| 591 | sprom_extract_r123(out, in); |
| 592 | break; |
| 593 | case 4: |
| 594 | case 5: |
| 595 | sprom_extract_r45(out, in); |
| 596 | break; |
| 597 | case 8: |
| 598 | sprom_extract_r8(out, in); |
| 599 | break; |
| 600 | default: |
| 601 | ssb_printk(KERN_WARNING PFX "Unsupported SPROM" |
| 602 | " revision %d detected. Will extract" |
| 603 | " v1\n", out->revision); |
Larry Finger | cd559b3 | 2009-09-13 15:55:13 -0500 | [diff] [blame] | 604 | out->revision = 1; |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 605 | sprom_extract_r123(out, in); |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 606 | } |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 607 | } |
| 608 | |
Larry Finger | 4503183 | 2008-04-19 17:52:12 +0200 | [diff] [blame] | 609 | if (out->boardflags_lo == 0xFFFF) |
| 610 | out->boardflags_lo = 0; /* per specs */ |
| 611 | if (out->boardflags_hi == 0xFFFF) |
| 612 | out->boardflags_hi = 0; /* per specs */ |
| 613 | |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 614 | return 0; |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 615 | } |
| 616 | |
| 617 | static int ssb_pci_sprom_get(struct ssb_bus *bus, |
| 618 | struct ssb_sprom *sprom) |
| 619 | { |
Michael Buesch | e79c1ba | 2009-02-27 16:59:05 +0100 | [diff] [blame] | 620 | const struct ssb_sprom *fallback; |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 621 | int err = -ENOMEM; |
| 622 | u16 *buf; |
| 623 | |
John W. Linville | d53cdbb | 2010-03-31 21:39:35 +0200 | [diff] [blame] | 624 | if (!ssb_is_sprom_available(bus)) { |
| 625 | ssb_printk(KERN_ERR PFX "No SPROM available!\n"); |
| 626 | return -ENODEV; |
| 627 | } |
Christoph Fritz | da1fdb0 | 2010-05-28 10:45:59 +0200 | [diff] [blame] | 628 | if (bus->chipco.dev) { /* can be unavailible! */ |
Larry Finger | 9d1ac34 | 2010-05-14 22:08:58 -0500 | [diff] [blame] | 629 | /* |
| 630 | * get SPROM offset: SSB_SPROM_BASE1 except for |
| 631 | * chipcommon rev >= 31 or chip ID is 0x4312 and |
| 632 | * chipcommon status & 3 == 2 |
| 633 | */ |
| 634 | if (bus->chipco.dev->id.revision >= 31) |
| 635 | bus->sprom_offset = SSB_SPROM_BASE31; |
| 636 | else if (bus->chip_id == 0x4312 && |
| 637 | (bus->chipco.status & 0x03) == 2) |
| 638 | bus->sprom_offset = SSB_SPROM_BASE31; |
| 639 | else |
| 640 | bus->sprom_offset = SSB_SPROM_BASE1; |
Christoph Fritz | da1fdb0 | 2010-05-28 10:45:59 +0200 | [diff] [blame] | 641 | } else { |
| 642 | bus->sprom_offset = SSB_SPROM_BASE1; |
| 643 | } |
Larry Finger | 9d1ac34 | 2010-05-14 22:08:58 -0500 | [diff] [blame] | 644 | ssb_dprintk(KERN_INFO PFX "SPROM offset is 0x%x\n", bus->sprom_offset); |
Rafał Miłecki | ea2db49 | 2010-03-31 21:59:21 +0200 | [diff] [blame] | 645 | |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 646 | buf = kcalloc(SSB_SPROMSIZE_WORDS_R123, sizeof(u16), GFP_KERNEL); |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 647 | if (!buf) |
| 648 | goto out; |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 649 | bus->sprom_size = SSB_SPROMSIZE_WORDS_R123; |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 650 | sprom_do_read(bus, buf); |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 651 | err = sprom_check_crc(buf, bus->sprom_size); |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 652 | if (err) { |
Larry.Finger@lwfinger.net | 2afc490 | 2008-04-19 16:24:09 +0200 | [diff] [blame] | 653 | /* try for a 440 byte SPROM - revision 4 and higher */ |
| 654 | kfree(buf); |
| 655 | buf = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16), |
| 656 | GFP_KERNEL); |
| 657 | if (!buf) |
| 658 | goto out; |
| 659 | bus->sprom_size = SSB_SPROMSIZE_WORDS_R4; |
| 660 | sprom_do_read(bus, buf); |
| 661 | err = sprom_check_crc(buf, bus->sprom_size); |
Michael Buesch | e79c1ba | 2009-02-27 16:59:05 +0100 | [diff] [blame] | 662 | if (err) { |
| 663 | /* All CRC attempts failed. |
| 664 | * Maybe there is no SPROM on the device? |
| 665 | * If we have a fallback, use that. */ |
| 666 | fallback = ssb_get_fallback_sprom(); |
| 667 | if (fallback) { |
| 668 | memcpy(sprom, fallback, sizeof(*sprom)); |
| 669 | err = 0; |
| 670 | goto out_free; |
| 671 | } |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 672 | ssb_printk(KERN_WARNING PFX "WARNING: Invalid" |
| 673 | " SPROM CRC (corrupt SPROM)\n"); |
Michael Buesch | e79c1ba | 2009-02-27 16:59:05 +0100 | [diff] [blame] | 674 | } |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 675 | } |
Larry Finger | c272ef4 | 2007-11-09 16:56:25 -0600 | [diff] [blame] | 676 | err = sprom_extract(bus, sprom, buf, bus->sprom_size); |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 677 | |
Michael Buesch | e79c1ba | 2009-02-27 16:59:05 +0100 | [diff] [blame] | 678 | out_free: |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 679 | kfree(buf); |
| 680 | out: |
| 681 | return err; |
| 682 | } |
| 683 | |
| 684 | static void ssb_pci_get_boardinfo(struct ssb_bus *bus, |
| 685 | struct ssb_boardinfo *bi) |
| 686 | { |
| 687 | pci_read_config_word(bus->host_pci, PCI_SUBSYSTEM_VENDOR_ID, |
| 688 | &bi->vendor); |
| 689 | pci_read_config_word(bus->host_pci, PCI_SUBSYSTEM_ID, |
| 690 | &bi->type); |
| 691 | pci_read_config_word(bus->host_pci, PCI_REVISION_ID, |
| 692 | &bi->rev); |
| 693 | } |
| 694 | |
| 695 | int ssb_pci_get_invariants(struct ssb_bus *bus, |
| 696 | struct ssb_init_invariants *iv) |
| 697 | { |
| 698 | int err; |
| 699 | |
| 700 | err = ssb_pci_sprom_get(bus, &iv->sprom); |
| 701 | if (err) |
| 702 | goto out; |
| 703 | ssb_pci_get_boardinfo(bus, &iv->boardinfo); |
| 704 | |
| 705 | out: |
| 706 | return err; |
| 707 | } |
| 708 | |
| 709 | #ifdef CONFIG_SSB_DEBUG |
| 710 | static int ssb_pci_assert_buspower(struct ssb_bus *bus) |
| 711 | { |
| 712 | if (likely(bus->powered_up)) |
| 713 | return 0; |
| 714 | |
| 715 | printk(KERN_ERR PFX "FATAL ERROR: Bus powered down " |
| 716 | "while accessing PCI MMIO space\n"); |
| 717 | if (bus->power_warn_count <= 10) { |
| 718 | bus->power_warn_count++; |
| 719 | dump_stack(); |
| 720 | } |
| 721 | |
| 722 | return -ENODEV; |
| 723 | } |
| 724 | #else /* DEBUG */ |
| 725 | static inline int ssb_pci_assert_buspower(struct ssb_bus *bus) |
| 726 | { |
| 727 | return 0; |
| 728 | } |
| 729 | #endif /* DEBUG */ |
| 730 | |
Michael Buesch | ffc7689 | 2008-02-20 19:08:10 +0100 | [diff] [blame] | 731 | static u8 ssb_pci_read8(struct ssb_device *dev, u16 offset) |
| 732 | { |
| 733 | struct ssb_bus *bus = dev->bus; |
| 734 | |
| 735 | if (unlikely(ssb_pci_assert_buspower(bus))) |
| 736 | return 0xFF; |
| 737 | if (unlikely(bus->mapped_device != dev)) { |
| 738 | if (unlikely(ssb_pci_switch_core(bus, dev))) |
| 739 | return 0xFF; |
| 740 | } |
| 741 | return ioread8(bus->mmio + offset); |
| 742 | } |
| 743 | |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 744 | static u16 ssb_pci_read16(struct ssb_device *dev, u16 offset) |
| 745 | { |
| 746 | struct ssb_bus *bus = dev->bus; |
| 747 | |
| 748 | if (unlikely(ssb_pci_assert_buspower(bus))) |
| 749 | return 0xFFFF; |
| 750 | if (unlikely(bus->mapped_device != dev)) { |
| 751 | if (unlikely(ssb_pci_switch_core(bus, dev))) |
| 752 | return 0xFFFF; |
| 753 | } |
Michael Buesch | 4b402c6 | 2007-09-19 18:53:44 +0200 | [diff] [blame] | 754 | return ioread16(bus->mmio + offset); |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 755 | } |
| 756 | |
| 757 | static u32 ssb_pci_read32(struct ssb_device *dev, u16 offset) |
| 758 | { |
| 759 | struct ssb_bus *bus = dev->bus; |
| 760 | |
| 761 | if (unlikely(ssb_pci_assert_buspower(bus))) |
| 762 | return 0xFFFFFFFF; |
| 763 | if (unlikely(bus->mapped_device != dev)) { |
| 764 | if (unlikely(ssb_pci_switch_core(bus, dev))) |
| 765 | return 0xFFFFFFFF; |
| 766 | } |
Michael Buesch | 4b402c6 | 2007-09-19 18:53:44 +0200 | [diff] [blame] | 767 | return ioread32(bus->mmio + offset); |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 768 | } |
| 769 | |
Michael Buesch | d625a29 | 2008-04-02 19:46:56 +0200 | [diff] [blame] | 770 | #ifdef CONFIG_SSB_BLOCKIO |
| 771 | static void ssb_pci_block_read(struct ssb_device *dev, void *buffer, |
| 772 | size_t count, u16 offset, u8 reg_width) |
| 773 | { |
| 774 | struct ssb_bus *bus = dev->bus; |
| 775 | void __iomem *addr = bus->mmio + offset; |
| 776 | |
| 777 | if (unlikely(ssb_pci_assert_buspower(bus))) |
| 778 | goto error; |
| 779 | if (unlikely(bus->mapped_device != dev)) { |
| 780 | if (unlikely(ssb_pci_switch_core(bus, dev))) |
| 781 | goto error; |
| 782 | } |
| 783 | switch (reg_width) { |
| 784 | case sizeof(u8): |
| 785 | ioread8_rep(addr, buffer, count); |
| 786 | break; |
| 787 | case sizeof(u16): |
| 788 | SSB_WARN_ON(count & 1); |
| 789 | ioread16_rep(addr, buffer, count >> 1); |
| 790 | break; |
| 791 | case sizeof(u32): |
| 792 | SSB_WARN_ON(count & 3); |
| 793 | ioread32_rep(addr, buffer, count >> 2); |
| 794 | break; |
| 795 | default: |
| 796 | SSB_WARN_ON(1); |
| 797 | } |
| 798 | |
| 799 | return; |
| 800 | error: |
| 801 | memset(buffer, 0xFF, count); |
| 802 | } |
| 803 | #endif /* CONFIG_SSB_BLOCKIO */ |
| 804 | |
Michael Buesch | ffc7689 | 2008-02-20 19:08:10 +0100 | [diff] [blame] | 805 | static void ssb_pci_write8(struct ssb_device *dev, u16 offset, u8 value) |
| 806 | { |
| 807 | struct ssb_bus *bus = dev->bus; |
| 808 | |
| 809 | if (unlikely(ssb_pci_assert_buspower(bus))) |
| 810 | return; |
| 811 | if (unlikely(bus->mapped_device != dev)) { |
| 812 | if (unlikely(ssb_pci_switch_core(bus, dev))) |
| 813 | return; |
| 814 | } |
| 815 | iowrite8(value, bus->mmio + offset); |
| 816 | } |
| 817 | |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 818 | static void ssb_pci_write16(struct ssb_device *dev, u16 offset, u16 value) |
| 819 | { |
| 820 | struct ssb_bus *bus = dev->bus; |
| 821 | |
| 822 | if (unlikely(ssb_pci_assert_buspower(bus))) |
| 823 | return; |
| 824 | if (unlikely(bus->mapped_device != dev)) { |
| 825 | if (unlikely(ssb_pci_switch_core(bus, dev))) |
| 826 | return; |
| 827 | } |
Michael Buesch | 4b402c6 | 2007-09-19 18:53:44 +0200 | [diff] [blame] | 828 | iowrite16(value, bus->mmio + offset); |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 829 | } |
| 830 | |
| 831 | static void ssb_pci_write32(struct ssb_device *dev, u16 offset, u32 value) |
| 832 | { |
| 833 | struct ssb_bus *bus = dev->bus; |
| 834 | |
| 835 | if (unlikely(ssb_pci_assert_buspower(bus))) |
| 836 | return; |
| 837 | if (unlikely(bus->mapped_device != dev)) { |
| 838 | if (unlikely(ssb_pci_switch_core(bus, dev))) |
| 839 | return; |
| 840 | } |
Michael Buesch | 4b402c6 | 2007-09-19 18:53:44 +0200 | [diff] [blame] | 841 | iowrite32(value, bus->mmio + offset); |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 842 | } |
| 843 | |
Michael Buesch | d625a29 | 2008-04-02 19:46:56 +0200 | [diff] [blame] | 844 | #ifdef CONFIG_SSB_BLOCKIO |
| 845 | static void ssb_pci_block_write(struct ssb_device *dev, const void *buffer, |
| 846 | size_t count, u16 offset, u8 reg_width) |
| 847 | { |
| 848 | struct ssb_bus *bus = dev->bus; |
| 849 | void __iomem *addr = bus->mmio + offset; |
| 850 | |
| 851 | if (unlikely(ssb_pci_assert_buspower(bus))) |
| 852 | return; |
| 853 | if (unlikely(bus->mapped_device != dev)) { |
| 854 | if (unlikely(ssb_pci_switch_core(bus, dev))) |
| 855 | return; |
| 856 | } |
| 857 | switch (reg_width) { |
| 858 | case sizeof(u8): |
| 859 | iowrite8_rep(addr, buffer, count); |
| 860 | break; |
| 861 | case sizeof(u16): |
| 862 | SSB_WARN_ON(count & 1); |
| 863 | iowrite16_rep(addr, buffer, count >> 1); |
| 864 | break; |
| 865 | case sizeof(u32): |
| 866 | SSB_WARN_ON(count & 3); |
| 867 | iowrite32_rep(addr, buffer, count >> 2); |
| 868 | break; |
| 869 | default: |
| 870 | SSB_WARN_ON(1); |
| 871 | } |
| 872 | } |
| 873 | #endif /* CONFIG_SSB_BLOCKIO */ |
| 874 | |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 875 | /* Not "static", as it's used in main.c */ |
| 876 | const struct ssb_bus_ops ssb_pci_ops = { |
Michael Buesch | ffc7689 | 2008-02-20 19:08:10 +0100 | [diff] [blame] | 877 | .read8 = ssb_pci_read8, |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 878 | .read16 = ssb_pci_read16, |
| 879 | .read32 = ssb_pci_read32, |
Michael Buesch | ffc7689 | 2008-02-20 19:08:10 +0100 | [diff] [blame] | 880 | .write8 = ssb_pci_write8, |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 881 | .write16 = ssb_pci_write16, |
| 882 | .write32 = ssb_pci_write32, |
Michael Buesch | d625a29 | 2008-04-02 19:46:56 +0200 | [diff] [blame] | 883 | #ifdef CONFIG_SSB_BLOCKIO |
| 884 | .block_read = ssb_pci_block_read, |
| 885 | .block_write = ssb_pci_block_write, |
| 886 | #endif |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 887 | }; |
| 888 | |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 889 | static ssize_t ssb_pci_attr_sprom_show(struct device *pcidev, |
| 890 | struct device_attribute *attr, |
| 891 | char *buf) |
| 892 | { |
| 893 | struct pci_dev *pdev = container_of(pcidev, struct pci_dev, dev); |
| 894 | struct ssb_bus *bus; |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 895 | |
| 896 | bus = ssb_pci_dev_to_bus(pdev); |
| 897 | if (!bus) |
Michael Buesch | e7ec2e3 | 2008-03-10 17:26:32 +0100 | [diff] [blame] | 898 | return -ENODEV; |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 899 | |
Michael Buesch | e7ec2e3 | 2008-03-10 17:26:32 +0100 | [diff] [blame] | 900 | return ssb_attr_sprom_show(bus, buf, sprom_do_read); |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 901 | } |
| 902 | |
| 903 | static ssize_t ssb_pci_attr_sprom_store(struct device *pcidev, |
| 904 | struct device_attribute *attr, |
| 905 | const char *buf, size_t count) |
| 906 | { |
| 907 | struct pci_dev *pdev = container_of(pcidev, struct pci_dev, dev); |
| 908 | struct ssb_bus *bus; |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 909 | |
| 910 | bus = ssb_pci_dev_to_bus(pdev); |
| 911 | if (!bus) |
Michael Buesch | e7ec2e3 | 2008-03-10 17:26:32 +0100 | [diff] [blame] | 912 | return -ENODEV; |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 913 | |
Michael Buesch | e7ec2e3 | 2008-03-10 17:26:32 +0100 | [diff] [blame] | 914 | return ssb_attr_sprom_store(bus, buf, count, |
| 915 | sprom_check_crc, sprom_do_write); |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 916 | } |
| 917 | |
| 918 | static DEVICE_ATTR(ssb_sprom, 0600, |
| 919 | ssb_pci_attr_sprom_show, |
| 920 | ssb_pci_attr_sprom_store); |
| 921 | |
| 922 | void ssb_pci_exit(struct ssb_bus *bus) |
| 923 | { |
| 924 | struct pci_dev *pdev; |
| 925 | |
| 926 | if (bus->bustype != SSB_BUSTYPE_PCI) |
| 927 | return; |
| 928 | |
| 929 | pdev = bus->host_pci; |
| 930 | device_remove_file(&pdev->dev, &dev_attr_ssb_sprom); |
| 931 | } |
| 932 | |
| 933 | int ssb_pci_init(struct ssb_bus *bus) |
| 934 | { |
| 935 | struct pci_dev *pdev; |
| 936 | int err; |
| 937 | |
| 938 | if (bus->bustype != SSB_BUSTYPE_PCI) |
| 939 | return 0; |
| 940 | |
| 941 | pdev = bus->host_pci; |
Michael Buesch | e7ec2e3 | 2008-03-10 17:26:32 +0100 | [diff] [blame] | 942 | mutex_init(&bus->sprom_mutex); |
Michael Buesch | 61e115a | 2007-09-18 15:12:50 -0400 | [diff] [blame] | 943 | err = device_create_file(&pdev->dev, &dev_attr_ssb_sprom); |
| 944 | if (err) |
| 945 | goto out; |
| 946 | |
| 947 | out: |
| 948 | return err; |
| 949 | } |