Blame view
drivers/ata/ahci.c
29.2 KB
83d290c56 SPDX: Convert all... |
1 |
// SPDX-License-Identifier: GPL-2.0+ |
4782ac80b Add AHCI support ... |
2 |
/* |
4c2e3da82 Update Freescale ... |
3 |
* Copyright (C) Freescale Semiconductor, Inc. 2006. |
4782ac80b Add AHCI support ... |
4 5 6 |
* Author: Jason Jin<Jason.jin@freescale.com> * Zhang Wei<wei.zhang@freescale.com> * |
4782ac80b Add AHCI support ... |
7 |
* with the reference on libata and ahci drvier in kernel |
7cf1afce7 dm: ahci: Unwind ... |
8 9 |
* * This driver provides a SCSI interface to SATA. |
4782ac80b Add AHCI support ... |
10 11 |
*/ #include <common.h> |
1eb69ae49 common: Move ARM ... |
12 |
#include <cpu_func.h> |
4782ac80b Add AHCI support ... |
13 |
|
4782ac80b Add AHCI support ... |
14 |
#include <command.h> |
ff758ccc8 dm: ahci: Convert... |
15 |
#include <dm.h> |
4782ac80b Add AHCI support ... |
16 17 |
#include <pci.h> #include <asm/processor.h> |
1221ce459 treewide: replace... |
18 |
#include <linux/errno.h> |
4782ac80b Add AHCI support ... |
19 20 |
#include <asm/io.h> #include <malloc.h> |
cf92e05c0 Move ALLOC_CACHE_... |
21 |
#include <memalign.h> |
681357ffd dm: ahci: Add a d... |
22 |
#include <pci.h> |
4782ac80b Add AHCI support ... |
23 |
#include <scsi.h> |
344ca0b40 ahci: convert to ... |
24 |
#include <libata.h> |
4782ac80b Add AHCI support ... |
25 26 |
#include <linux/ctype.h> #include <ahci.h> |
681357ffd dm: ahci: Add a d... |
27 28 |
#include <dm/device-internal.h> #include <dm/lists.h> |
4782ac80b Add AHCI support ... |
29 |
|
225b1da7b dm: ahci: Refacto... |
30 |
static int ata_io_flush(struct ahci_uc_priv *uc_priv, u8 port); |
766b16fe1 ahci: Perform SAT... |
31 |
|
4682c8a19 dm: scsi: Add a d... |
32 |
#ifndef CONFIG_DM_SCSI |
2c9f9efb3 dm: ahci: Rename ... |
33 |
struct ahci_uc_priv *probe_ent = NULL; |
4682c8a19 dm: scsi: Add a d... |
34 |
#endif |
4782ac80b Add AHCI support ... |
35 |
|
4a7cc0f21 Cleanup and linde... |
36 |
#define writel_with_flush(a,b) do { writel(a,b); readl(b); } while (0) |
284231e49 ahci: Support spl... |
37 |
/* |
b7a21b70d ahci: support scs... |
38 39 40 41 |
* Some controllers limit number of blocks they can read/write at once. * Contemporary SSD devices work much faster if the read/write size is aligned * to a power of 2. Let's set default to 128 and allowing to be overwritten if * needed. |
284231e49 ahci: Support spl... |
42 |
*/ |
b7a21b70d ahci: support scs... |
43 44 |
#ifndef MAX_SATA_BLOCKS_READ_WRITE #define MAX_SATA_BLOCKS_READ_WRITE 0x80 |
284231e49 ahci: Support spl... |
45 |
#endif |
4782ac80b Add AHCI support ... |
46 |
|
57847660b ahci: Adjust SATA... |
47 |
/* Maximum timeouts for each event */ |
7610b41dd ahci: increase sp... |
48 |
#define WAIT_MS_SPINUP 20000 |
f8b009e8b ahci: extend data... |
49 |
#define WAIT_MS_DATAIO 10000 |
766b16fe1 ahci: Perform SAT... |
50 |
#define WAIT_MS_FLUSH 5000 |
e0ddcf93b AHCI: Increase li... |
51 |
#define WAIT_MS_LINKUP 200 |
57847660b ahci: Adjust SATA... |
52 |
|
6e7325533 ata: ahci allow 6... |
53 |
#define AHCI_CAP_S64A BIT(31) |
22f5de6b5 ahci: Make ahci_p... |
54 |
__weak void __iomem *ahci_port_base(void __iomem *base, u32 port) |
4782ac80b Add AHCI support ... |
55 56 57 |
{ return base + 0x100 + (port * 0x80); } |
4782ac80b Add AHCI support ... |
58 |
#define msleep(a) udelay(a * 1000) |
4a7cc0f21 Cleanup and linde... |
59 |
|
fa31377ef ahci: Fix compili... |
60 |
static void ahci_dcache_flush_range(unsigned long begin, unsigned long len) |
90b276f6a ahci: flush / inv... |
61 62 63 64 65 66 67 68 69 70 71 72 73 74 |
{ const unsigned long start = begin; const unsigned long end = start + len; debug("%s: flush dcache: [%#lx, %#lx) ", __func__, start, end); flush_dcache_range(start, end); } /* * SATA controller DMAs to physical RAM. Ensure data from the * controller is invalidated from dcache; next access comes from * physical RAM. */ |
fa31377ef ahci: Fix compili... |
75 |
static void ahci_dcache_invalidate_range(unsigned long begin, unsigned long len) |
90b276f6a ahci: flush / inv... |
76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 |
{ const unsigned long start = begin; const unsigned long end = start + len; debug("%s: invalidate dcache: [%#lx, %#lx) ", __func__, start, end); invalidate_dcache_range(start, end); } /* * Ensure data for SATA controller is flushed out of dcache and * written to physical memory. */ static void ahci_dcache_flush_sata_cmd(struct ahci_ioports *pp) { ahci_dcache_flush_range((unsigned long)pp->cmd_slot, AHCI_PORT_PRIV_DMA_SZ); } |
fa31377ef ahci: Fix compili... |
94 |
static int waiting_for_cmd_completed(void __iomem *offset, |
4a7cc0f21 Cleanup and linde... |
95 96 |
int timeout_msec, u32 sign) |
4782ac80b Add AHCI support ... |
97 98 99 |
{ int i; u32 status; |
4a7cc0f21 Cleanup and linde... |
100 101 |
for (i = 0; ((status = readl(offset)) & sign) && i < timeout_msec; i++) |
4782ac80b Add AHCI support ... |
102 |
msleep(1); |
4a7cc0f21 Cleanup and linde... |
103 |
return (i < timeout_msec) ? 0 : -1; |
4782ac80b Add AHCI support ... |
104 |
} |
4b62b2ff5 dm: sata: Move at... |
105 |
int __weak ahci_link_up(struct ahci_uc_priv *uc_priv, u8 port) |
124e9fa13 ahci: move link b... |
106 107 108 |
{ u32 tmp; int j = 0; |
4b62b2ff5 dm: sata: Move at... |
109 |
void __iomem *port_mmio = uc_priv->port[port].port_mmio; |
124e9fa13 ahci: move link b... |
110 |
|
3765b3e7b Coding Style clea... |
111 |
/* |
124e9fa13 ahci: move link b... |
112 113 114 115 116 117 118 119 120 121 122 123 124 125 |
* Bring up SATA link. * SATA link bringup time is usually less than 1 ms; only very * rarely has it taken between 1-2 ms. Never seen it above 2 ms. */ while (j < WAIT_MS_LINKUP) { tmp = readl(port_mmio + PORT_SCR_STAT); tmp &= PORT_SCR_STAT_DET_MASK; if (tmp == PORT_SCR_STAT_DET_PHYRDY) return 0; udelay(1000); j++; } return 1; } |
4782ac80b Add AHCI support ... |
126 |
|
a6e50a88d ahci: provide sun... |
127 128 |
#ifdef CONFIG_SUNXI_AHCI /* The sunxi AHCI controller requires this undocumented setup */ |
fa31377ef ahci: Fix compili... |
129 |
static void sunxi_dma_init(void __iomem *port_mmio) |
a6e50a88d ahci: provide sun... |
130 131 132 133 |
{ clrsetbits_le32(port_mmio + PORT_P0DMACR, 0x0000ff00, 0x00004400); } #endif |
9efaca3e8 ahci: mmio_base i... |
134 |
int ahci_reset(void __iomem *base) |
6b68888a3 ahci: introduce a... |
135 136 |
{ int i = 1000; |
9efaca3e8 ahci: mmio_base i... |
137 |
u32 __iomem *host_ctl_reg = base + HOST_CTL; |
6b68888a3 ahci: introduce a... |
138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 |
u32 tmp = readl(host_ctl_reg); /* global controller reset */ if ((tmp & HOST_RESET) == 0) writel_with_flush(tmp | HOST_RESET, host_ctl_reg); /* * reset must complete within 1 second, or * the hardware should be considered fried. */ do { udelay(1000); tmp = readl(host_ctl_reg); i--; } while ((i > 0) && (tmp & HOST_RESET)); if (i == 0) { printf("controller reset failed (0x%x) ", tmp); return -1; } return 0; } |
225b1da7b dm: ahci: Refacto... |
161 |
static int ahci_host_init(struct ahci_uc_priv *uc_priv) |
4782ac80b Add AHCI support ... |
162 |
{ |
e8a016b53 dm: Add support f... |
163 |
#if !defined(CONFIG_SCSI_AHCI_PLAT) && !defined(CONFIG_DM_SCSI) |
ff758ccc8 dm: ahci: Convert... |
164 |
# ifdef CONFIG_DM_PCI |
225b1da7b dm: ahci: Refacto... |
165 |
struct udevice *dev = uc_priv->dev; |
ff758ccc8 dm: ahci: Convert... |
166 167 |
struct pci_child_platdata *pplat = dev_get_parent_platdata(dev); # else |
225b1da7b dm: ahci: Refacto... |
168 |
pci_dev_t pdev = uc_priv->dev; |
942e31437 scsi/ahci: add su... |
169 |
unsigned short vendor; |
ff758ccc8 dm: ahci: Convert... |
170 171 |
# endif u16 tmp16; |
942e31437 scsi/ahci: add su... |
172 |
#endif |
225b1da7b dm: ahci: Refacto... |
173 |
void __iomem *mmio = uc_priv->mmio_base; |
2a0c61d40 ahci: Support spi... |
174 |
u32 tmp, cap_save, cmd; |
124e9fa13 ahci: move link b... |
175 |
int i, j, ret; |
fa31377ef ahci: Fix compili... |
176 |
void __iomem *port_mmio; |
2915a0223 ahci: use ports i... |
177 |
u32 port_map; |
4782ac80b Add AHCI support ... |
178 |
|
284231e49 ahci: Support spl... |
179 180 |
debug("ahci_host_init: start "); |
4782ac80b Add AHCI support ... |
181 |
cap_save = readl(mmio + HOST_CAP); |
4a7cc0f21 Cleanup and linde... |
182 |
cap_save &= ((1 << 28) | (1 << 17)); |
2a0c61d40 ahci: Support spi... |
183 |
cap_save |= (1 << 27); /* Staggered Spin-up. Not needed. */ |
4782ac80b Add AHCI support ... |
184 |
|
225b1da7b dm: ahci: Refacto... |
185 |
ret = ahci_reset(uc_priv->mmio_base); |
6b68888a3 ahci: introduce a... |
186 187 |
if (ret) return ret; |
4782ac80b Add AHCI support ... |
188 189 190 191 |
writel_with_flush(HOST_AHCI_EN, mmio + HOST_CTL); writel(cap_save, mmio + HOST_CAP); writel_with_flush(0xf, mmio + HOST_PORTS_IMPL); |
e8a016b53 dm: Add support f... |
192 |
#if !defined(CONFIG_SCSI_AHCI_PLAT) && !defined(CONFIG_DM_SCSI) |
ff758ccc8 dm: ahci: Convert... |
193 194 195 196 197 198 199 200 |
# ifdef CONFIG_DM_PCI if (pplat->vendor == PCI_VENDOR_ID_INTEL) { u16 tmp16; dm_pci_read_config16(dev, 0x92, &tmp16); dm_pci_write_config16(dev, 0x92, tmp16 | 0xf); } # else |
4782ac80b Add AHCI support ... |
201 202 203 204 205 206 207 208 |
pci_read_config_word(pdev, PCI_VENDOR_ID, &vendor); if (vendor == PCI_VENDOR_ID_INTEL) { u16 tmp16; pci_read_config_word(pdev, 0x92, &tmp16); tmp16 |= 0xf; pci_write_config_word(pdev, 0x92, tmp16); } |
ff758ccc8 dm: ahci: Convert... |
209 |
# endif |
942e31437 scsi/ahci: add su... |
210 |
#endif |
225b1da7b dm: ahci: Refacto... |
211 212 213 214 |
uc_priv->cap = readl(mmio + HOST_CAP); uc_priv->port_map = readl(mmio + HOST_PORTS_IMPL); port_map = uc_priv->port_map; uc_priv->n_ports = (uc_priv->cap & 0x1f) + 1; |
4782ac80b Add AHCI support ... |
215 216 217 |
debug("cap 0x%x port_map 0x%x n_ports %d ", |
225b1da7b dm: ahci: Refacto... |
218 |
uc_priv->cap, uc_priv->port_map, uc_priv->n_ports); |
4782ac80b Add AHCI support ... |
219 |
|
0545ac989 ata: ahci: Don't ... |
220 |
#if !defined(CONFIG_DM_SCSI) |
225b1da7b dm: ahci: Refacto... |
221 222 |
if (uc_priv->n_ports > CONFIG_SYS_SCSI_MAX_SCSI_ID) uc_priv->n_ports = CONFIG_SYS_SCSI_MAX_SCSI_ID; |
0545ac989 ata: ahci: Don't ... |
223 |
#endif |
284231e49 ahci: Support spl... |
224 |
|
225b1da7b dm: ahci: Refacto... |
225 |
for (i = 0; i < uc_priv->n_ports; i++) { |
2915a0223 ahci: use ports i... |
226 227 |
if (!(port_map & (1 << i))) continue; |
225b1da7b dm: ahci: Refacto... |
228 229 |
uc_priv->port[i].port_mmio = ahci_port_base(mmio, i); port_mmio = (u8 *)uc_priv->port[i].port_mmio; |
4782ac80b Add AHCI support ... |
230 231 232 233 234 |
/* make sure port is not active */ tmp = readl(port_mmio + PORT_CMD); if (tmp & (PORT_CMD_LIST_ON | PORT_CMD_FIS_ON | PORT_CMD_FIS_RX | PORT_CMD_START)) { |
7ba7917c9 ahci: Improve AHC... |
235 236 |
debug("Port %d is active. Deactivating. ", i); |
4782ac80b Add AHCI support ... |
237 238 239 240 241 242 243 244 245 |
tmp &= ~(PORT_CMD_LIST_ON | PORT_CMD_FIS_ON | PORT_CMD_FIS_RX | PORT_CMD_START); writel_with_flush(tmp, port_mmio + PORT_CMD); /* spec says 500 msecs for each bit, so * this is slightly incorrect. */ msleep(500); } |
a6e50a88d ahci: provide sun... |
246 247 248 |
#ifdef CONFIG_SUNXI_AHCI sunxi_dma_init(port_mmio); #endif |
2a0c61d40 ahci: Support spi... |
249 250 251 252 |
/* Add the spinup command to whatever mode bits may * already be on in the command register. */ cmd = readl(port_mmio + PORT_CMD); |
2a0c61d40 ahci: Support spi... |
253 254 |
cmd |= PORT_CMD_SPIN_UP; writel_with_flush(cmd, port_mmio + PORT_CMD); |
124e9fa13 ahci: move link b... |
255 |
/* Bring up SATA link. */ |
225b1da7b dm: ahci: Refacto... |
256 |
ret = ahci_link_up(uc_priv, i); |
124e9fa13 ahci: move link b... |
257 |
if (ret) { |
2a0c61d40 ahci: Support spi... |
258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 |
printf("SATA link %d timeout. ", i); continue; } else { debug("SATA link ok. "); } /* Clear error status */ tmp = readl(port_mmio + PORT_SCR_ERR); if (tmp) writel(tmp, port_mmio + PORT_SCR_ERR); debug("Spinning up device on SATA port %d... ", i); j = 0; while (j < WAIT_MS_SPINUP) { tmp = readl(port_mmio + PORT_TFDATA); |
344ca0b40 ahci: convert to ... |
276 |
if (!(tmp & (ATA_BUSY | ATA_DRQ))) |
2a0c61d40 ahci: Support spi... |
277 278 |
break; udelay(1000); |
178210847 ahci: handle COMI... |
279 280 281 282 |
tmp = readl(port_mmio + PORT_SCR_STAT); tmp &= PORT_SCR_STAT_DET_MASK; if (tmp == PORT_SCR_STAT_DET_PHYRDY) break; |
2a0c61d40 ahci: Support spi... |
283 284 |
j++; } |
178210847 ahci: handle COMI... |
285 286 287 288 289 290 291 292 |
tmp = readl(port_mmio + PORT_SCR_STAT) & PORT_SCR_STAT_DET_MASK; if (tmp == PORT_SCR_STAT_DET_COMINIT) { debug("SATA link %d down (COMINIT received), retrying... ", i); i--; continue; } |
2a0c61d40 ahci: Support spi... |
293 294 295 |
printf("Target spinup took %d ms. ", j); if (j == WAIT_MS_SPINUP) |
9a65b8754 ahci: Optimise AH... |
296 297 298 299 300 |
debug("timeout. "); else debug("ok. "); |
4782ac80b Add AHCI support ... |
301 302 303 304 305 306 307 308 309 310 311 312 313 314 |
tmp = readl(port_mmio + PORT_SCR_ERR); debug("PORT_SCR_ERR 0x%x ", tmp); writel(tmp, port_mmio + PORT_SCR_ERR); /* ack any pending irq events for this port */ tmp = readl(port_mmio + PORT_IRQ_STAT); debug("PORT_IRQ_STAT 0x%x ", tmp); if (tmp) writel(tmp, port_mmio + PORT_IRQ_STAT); writel(1 << i, mmio + HOST_IRQ_STAT); |
4e422bce8 ahci: cosmetics a... |
315 |
/* register linkup ports */ |
4782ac80b Add AHCI support ... |
316 |
tmp = readl(port_mmio + PORT_SCR_STAT); |
766b16fe1 ahci: Perform SAT... |
317 318 |
debug("SATA port %d status: 0x%x ", i, tmp); |
2bdb10dbf ahci: add defines... |
319 |
if ((tmp & PORT_SCR_STAT_DET_MASK) == PORT_SCR_STAT_DET_PHYRDY) |
225b1da7b dm: ahci: Refacto... |
320 |
uc_priv->link_port_map |= (0x01 << i); |
4782ac80b Add AHCI support ... |
321 322 323 324 325 326 327 328 329 |
} tmp = readl(mmio + HOST_CTL); debug("HOST_CTL 0x%x ", tmp); writel(tmp | HOST_IRQ_EN, mmio + HOST_CTL); tmp = readl(mmio + HOST_CTL); debug("HOST_CTL 0x%x ", tmp); |
e8a016b53 dm: Add support f... |
330 |
#if !defined(CONFIG_DM_SCSI) |
942e31437 scsi/ahci: add su... |
331 |
#ifndef CONFIG_SCSI_AHCI_PLAT |
ff758ccc8 dm: ahci: Convert... |
332 333 334 335 336 |
# ifdef CONFIG_DM_PCI dm_pci_read_config16(dev, PCI_COMMAND, &tmp16); tmp |= PCI_COMMAND_MASTER; dm_pci_write_config16(dev, PCI_COMMAND, tmp16); # else |
4782ac80b Add AHCI support ... |
337 338 339 |
pci_read_config_word(pdev, PCI_COMMAND, &tmp16); tmp |= PCI_COMMAND_MASTER; pci_write_config_word(pdev, PCI_COMMAND, tmp16); |
ff758ccc8 dm: ahci: Convert... |
340 |
# endif |
942e31437 scsi/ahci: add su... |
341 |
#endif |
e8a016b53 dm: Add support f... |
342 |
#endif |
4782ac80b Add AHCI support ... |
343 344 |
return 0; } |
225b1da7b dm: ahci: Refacto... |
345 |
static void ahci_print_info(struct ahci_uc_priv *uc_priv) |
4782ac80b Add AHCI support ... |
346 |
{ |
e8a016b53 dm: Add support f... |
347 348 |
#if !defined(CONFIG_SCSI_AHCI_PLAT) && !defined(CONFIG_DM_SCSI) # if defined(CONFIG_DM_PCI) |
225b1da7b dm: ahci: Refacto... |
349 |
struct udevice *dev = uc_priv->dev; |
ff758ccc8 dm: ahci: Convert... |
350 |
# else |
225b1da7b dm: ahci: Refacto... |
351 |
pci_dev_t pdev = uc_priv->dev; |
ff758ccc8 dm: ahci: Convert... |
352 |
# endif |
942e31437 scsi/ahci: add su... |
353 354 |
u16 cc; #endif |
225b1da7b dm: ahci: Refacto... |
355 |
void __iomem *mmio = uc_priv->mmio_base; |
4e422bce8 ahci: cosmetics a... |
356 |
u32 vers, cap, cap2, impl, speed; |
4782ac80b Add AHCI support ... |
357 |
const char *speed_s; |
4782ac80b Add AHCI support ... |
358 359 360 |
const char *scc_s; vers = readl(mmio + HOST_VERSION); |
225b1da7b dm: ahci: Refacto... |
361 |
cap = uc_priv->cap; |
4e422bce8 ahci: cosmetics a... |
362 |
cap2 = readl(mmio + HOST_CAP2); |
225b1da7b dm: ahci: Refacto... |
363 |
impl = uc_priv->port_map; |
4782ac80b Add AHCI support ... |
364 365 366 367 368 369 |
speed = (cap >> 20) & 0xf; if (speed == 1) speed_s = "1.5"; else if (speed == 2) speed_s = "3"; |
4e422bce8 ahci: cosmetics a... |
370 371 |
else if (speed == 3) speed_s = "6"; |
4782ac80b Add AHCI support ... |
372 373 |
else speed_s = "?"; |
e8a016b53 dm: Add support f... |
374 |
#if defined(CONFIG_SCSI_AHCI_PLAT) || defined(CONFIG_DM_SCSI) |
942e31437 scsi/ahci: add su... |
375 376 |
scc_s = "SATA"; #else |
ff758ccc8 dm: ahci: Convert... |
377 378 379 |
# ifdef CONFIG_DM_PCI dm_pci_read_config16(dev, 0x0a, &cc); # else |
4782ac80b Add AHCI support ... |
380 |
pci_read_config_word(pdev, 0x0a, &cc); |
ff758ccc8 dm: ahci: Convert... |
381 |
# endif |
4782ac80b Add AHCI support ... |
382 383 384 385 386 387 388 389 |
if (cc == 0x0101) scc_s = "IDE"; else if (cc == 0x0106) scc_s = "SATA"; else if (cc == 0x0104) scc_s = "RAID"; else scc_s = "unknown"; |
942e31437 scsi/ahci: add su... |
390 |
#endif |
4a7cc0f21 Cleanup and linde... |
391 392 393 394 395 396 397 398 |
printf("AHCI %02x%02x.%02x%02x " "%u slots %u ports %s Gbps 0x%x impl %s mode ", (vers >> 24) & 0xff, (vers >> 16) & 0xff, (vers >> 8) & 0xff, vers & 0xff, ((cap >> 8) & 0x1f) + 1, (cap & 0x1f) + 1, speed_s, impl, scc_s); |
4782ac80b Add AHCI support ... |
399 400 |
printf("flags: " |
4e422bce8 ahci: cosmetics a... |
401 402 403 404 |
"%s%s%s%s%s%s%s" "%s%s%s%s%s%s%s" "%s%s%s%s%s%s ", |
4a7cc0f21 Cleanup and linde... |
405 406 407 408 409 410 411 412 413 414 |
cap & (1 << 31) ? "64bit " : "", cap & (1 << 30) ? "ncq " : "", cap & (1 << 28) ? "ilck " : "", cap & (1 << 27) ? "stag " : "", cap & (1 << 26) ? "pm " : "", cap & (1 << 25) ? "led " : "", cap & (1 << 24) ? "clo " : "", cap & (1 << 19) ? "nz " : "", cap & (1 << 18) ? "only " : "", cap & (1 << 17) ? "pmp " : "", |
4e422bce8 ahci: cosmetics a... |
415 |
cap & (1 << 16) ? "fbss " : "", |
4a7cc0f21 Cleanup and linde... |
416 417 |
cap & (1 << 15) ? "pio " : "", cap & (1 << 14) ? "slum " : "", |
4e422bce8 ahci: cosmetics a... |
418 419 420 421 422 423 424 |
cap & (1 << 13) ? "part " : "", cap & (1 << 7) ? "ccc " : "", cap & (1 << 6) ? "ems " : "", cap & (1 << 5) ? "sxs " : "", cap2 & (1 << 2) ? "apst " : "", cap2 & (1 << 1) ? "nvmp " : "", cap2 & (1 << 0) ? "boh " : ""); |
4782ac80b Add AHCI support ... |
425 |
} |
745a94f35 ahci: Support non... |
426 |
#if defined(CONFIG_DM_SCSI) || !defined(CONFIG_SCSI_AHCI_PLAT) |
e8a016b53 dm: Add support f... |
427 |
# if defined(CONFIG_DM_PCI) || defined(CONFIG_DM_SCSI) |
4279efc4c dm: ahci: Drop us... |
428 |
static int ahci_init_one(struct ahci_uc_priv *uc_priv, struct udevice *dev) |
ff758ccc8 dm: ahci: Convert... |
429 |
# else |
4279efc4c dm: ahci: Drop us... |
430 |
static int ahci_init_one(struct ahci_uc_priv *uc_priv, pci_dev_t dev) |
ff758ccc8 dm: ahci: Convert... |
431 |
# endif |
4782ac80b Add AHCI support ... |
432 |
{ |
e8a016b53 dm: Add support f... |
433 |
#if !defined(CONFIG_DM_SCSI) |
63cec5814 Make MPC8641's PC... |
434 |
u16 vendor; |
e8a016b53 dm: Add support f... |
435 |
#endif |
4782ac80b Add AHCI support ... |
436 |
int rc; |
225b1da7b dm: ahci: Refacto... |
437 |
uc_priv->dev = dev; |
4782ac80b Add AHCI support ... |
438 |
|
225b1da7b dm: ahci: Refacto... |
439 |
uc_priv->host_flags = ATA_FLAG_SATA |
4a7cc0f21 Cleanup and linde... |
440 441 442 443 |
| ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA | ATA_FLAG_NO_ATAPI; |
225b1da7b dm: ahci: Refacto... |
444 445 |
uc_priv->pio_mask = 0x1f; uc_priv->udma_mask = 0x7f; /*Fixme,assume to support UDMA6 */ |
4782ac80b Add AHCI support ... |
446 |
|
e8a016b53 dm: Add support f... |
447 |
#if !defined(CONFIG_DM_SCSI) |
ff758ccc8 dm: ahci: Convert... |
448 |
#ifdef CONFIG_DM_PCI |
225b1da7b dm: ahci: Refacto... |
449 |
uc_priv->mmio_base = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_5, |
ff758ccc8 dm: ahci: Convert... |
450 451 452 453 454 455 456 457 458 459 |
PCI_REGION_MEM); /* Take from kernel: * JMicron-specific fixup: * make sure we're in AHCI mode */ dm_pci_read_config16(dev, PCI_VENDOR_ID, &vendor); if (vendor == 0x197b) dm_pci_write_config8(dev, 0x41, 0xa1); #else |
225b1da7b dm: ahci: Refacto... |
460 |
uc_priv->mmio_base = pci_map_bar(dev, PCI_BASE_ADDRESS_5, |
9efaca3e8 ahci: mmio_base i... |
461 |
PCI_REGION_MEM); |
4782ac80b Add AHCI support ... |
462 463 464 465 466 |
/* Take from kernel: * JMicron-specific fixup: * make sure we're in AHCI mode */ |
ff758ccc8 dm: ahci: Convert... |
467 |
pci_read_config_word(dev, PCI_VENDOR_ID, &vendor); |
4a7cc0f21 Cleanup and linde... |
468 |
if (vendor == 0x197b) |
ff758ccc8 dm: ahci: Convert... |
469 470 |
pci_write_config_byte(dev, 0x41, 0xa1); #endif |
e8a016b53 dm: Add support f... |
471 |
#else |
1dc64f6c0 dm: scsi: Use the... |
472 |
struct scsi_platdata *plat = dev_get_uclass_platdata(dev); |
225b1da7b dm: ahci: Refacto... |
473 |
uc_priv->mmio_base = (void *)plat->base; |
e8a016b53 dm: Add support f... |
474 |
#endif |
4782ac80b Add AHCI support ... |
475 |
|
225b1da7b dm: ahci: Refacto... |
476 477 |
debug("ahci mmio_base=0x%p ", uc_priv->mmio_base); |
4782ac80b Add AHCI support ... |
478 |
/* initialize adapter */ |
225b1da7b dm: ahci: Refacto... |
479 |
rc = ahci_host_init(uc_priv); |
4782ac80b Add AHCI support ... |
480 481 |
if (rc) goto err_out; |
225b1da7b dm: ahci: Refacto... |
482 |
ahci_print_info(uc_priv); |
4782ac80b Add AHCI support ... |
483 484 |
return 0; |
4a7cc0f21 Cleanup and linde... |
485 |
err_out: |
4782ac80b Add AHCI support ... |
486 487 |
return rc; } |
942e31437 scsi/ahci: add su... |
488 |
#endif |
4782ac80b Add AHCI support ... |
489 490 |
#define MAX_DATA_BYTE_COUNT (4*1024*1024) |
4a7cc0f21 Cleanup and linde... |
491 |
|
225b1da7b dm: ahci: Refacto... |
492 493 |
static int ahci_fill_sg(struct ahci_uc_priv *uc_priv, u8 port, unsigned char *buf, int buf_len) |
4782ac80b Add AHCI support ... |
494 |
{ |
225b1da7b dm: ahci: Refacto... |
495 |
struct ahci_ioports *pp = &(uc_priv->port[port]); |
4782ac80b Add AHCI support ... |
496 497 498 499 500 |
struct ahci_sg *ahci_sg = pp->cmd_tbl_sg; u32 sg_count; int i; sg_count = ((buf_len - 1) / MAX_DATA_BYTE_COUNT) + 1; |
4a7cc0f21 Cleanup and linde... |
501 |
if (sg_count > AHCI_MAX_SG) { |
4782ac80b Add AHCI support ... |
502 503 504 505 |
printf("Error:Too much sg! "); return -1; } |
4a7cc0f21 Cleanup and linde... |
506 |
for (i = 0; i < sg_count; i++) { |
6e7325533 ata: ahci allow 6... |
507 508 509 510 511 512 513 514 515 516 |
/* We assume virt=phys */ phys_addr_t pa = (unsigned long)buf + i * MAX_DATA_BYTE_COUNT; ahci_sg->addr = cpu_to_le32(lower_32_bits(pa)); ahci_sg->addr_hi = cpu_to_le32(upper_32_bits(pa)); if (ahci_sg->addr_hi && !(uc_priv->cap & AHCI_CAP_S64A)) { printf("Error: DMA address too high "); return -1; } |
4a7cc0f21 Cleanup and linde... |
517 518 519 520 |
ahci_sg->flags_size = cpu_to_le32(0x3fffff & (buf_len < MAX_DATA_BYTE_COUNT ? (buf_len - 1) : (MAX_DATA_BYTE_COUNT - 1))); |
4782ac80b Add AHCI support ... |
521 522 523 524 525 526 527 528 529 530 531 532 |
ahci_sg++; buf_len -= MAX_DATA_BYTE_COUNT; } return sg_count; } static void ahci_fill_cmd_slot(struct ahci_ioports *pp, u32 opts) { pp->cmd_slot->opts = cpu_to_le32(opts); pp->cmd_slot->status = 0; |
fa31377ef ahci: Fix compili... |
533 534 535 536 537 |
pp->cmd_slot->tbl_addr = cpu_to_le32((u32)pp->cmd_tbl & 0xffffffff); #ifdef CONFIG_PHYS_64BIT pp->cmd_slot->tbl_addr_hi = cpu_to_le32((u32)(((pp->cmd_tbl) >> 16) >> 16)); #endif |
4782ac80b Add AHCI support ... |
538 |
} |
fa31377ef ahci: Fix compili... |
539 |
static int wait_spinup(void __iomem *port_mmio) |
4df2b48fb x86: ahci: Make s... |
540 541 542 543 544 545 546 547 548 549 550 551 552 |
{ ulong start; u32 tf_data; start = get_timer(0); do { tf_data = readl(port_mmio + PORT_TFDATA); if (!(tf_data & ATA_BUSY)) return 0; } while (get_timer(start) < WAIT_MS_SPINUP); return -ETIMEDOUT; } |
4782ac80b Add AHCI support ... |
553 |
|
225b1da7b dm: ahci: Refacto... |
554 |
static int ahci_port_start(struct ahci_uc_priv *uc_priv, u8 port) |
4782ac80b Add AHCI support ... |
555 |
{ |
225b1da7b dm: ahci: Refacto... |
556 |
struct ahci_ioports *pp = &(uc_priv->port[port]); |
fa31377ef ahci: Fix compili... |
557 |
void __iomem *port_mmio = pp->port_mmio; |
5b7a2bf31 ata: ahci: Don't ... |
558 |
u64 dma_addr; |
4782ac80b Add AHCI support ... |
559 |
u32 port_status; |
fa31377ef ahci: Fix compili... |
560 |
void __iomem *mem; |
4782ac80b Add AHCI support ... |
561 |
|
4a7cc0f21 Cleanup and linde... |
562 563 |
debug("Enter start port: %d ", port); |
4782ac80b Add AHCI support ... |
564 |
port_status = readl(port_mmio + PORT_SCR_STAT); |
4a7cc0f21 Cleanup and linde... |
565 566 567 |
debug("Port %d status: %x ", port, port_status); if ((port_status & 0xf) != 0x03) { |
4782ac80b Add AHCI support ... |
568 569 570 571 |
printf("No Link on this port! "); return -1; } |
28b4ba948 ata: ahci: fix me... |
572 |
mem = memalign(2048, AHCI_PORT_PRIV_DMA_SZ); |
4782ac80b Add AHCI support ... |
573 574 |
if (!mem) { free(pp); |
d73763a4f ahci: Error out w... |
575 576 |
printf("%s: No mem for table! ", __func__); |
4782ac80b Add AHCI support ... |
577 578 |
return -ENOMEM; } |
fa31377ef ahci: Fix compili... |
579 |
memset(mem, 0, AHCI_PORT_PRIV_DMA_SZ); |
4782ac80b Add AHCI support ... |
580 |
|
4782ac80b Add AHCI support ... |
581 582 583 584 |
/* * First item in chunk of DMA memory: 32-slot command table, * 32 bytes each in size */ |
64738e8ae ahci: Use virt_to... |
585 586 |
pp->cmd_slot = (struct ahci_cmd_hdr *)(uintptr_t)virt_to_phys((void *)mem); |
fa31377ef ahci: Fix compili... |
587 588 |
debug("cmd_slot = %p ", pp->cmd_slot); |
4782ac80b Add AHCI support ... |
589 |
mem += (AHCI_CMD_SLOT_SZ + 224); |
4a7cc0f21 Cleanup and linde... |
590 |
|
4782ac80b Add AHCI support ... |
591 592 593 |
/* * Second item: Received-FIS area */ |
64738e8ae ahci: Use virt_to... |
594 |
pp->rx_fis = virt_to_phys((void *)mem); |
4782ac80b Add AHCI support ... |
595 |
mem += AHCI_RX_FIS_SZ; |
4a7cc0f21 Cleanup and linde... |
596 |
|
4782ac80b Add AHCI support ... |
597 598 599 600 |
/* * Third item: data area for storing a single command * and its scatter-gather table */ |
64738e8ae ahci: Use virt_to... |
601 |
pp->cmd_tbl = virt_to_phys((void *)mem); |
fa31377ef ahci: Fix compili... |
602 603 |
debug("cmd_tbl_dma = %lx ", pp->cmd_tbl); |
4782ac80b Add AHCI support ... |
604 605 |
mem += AHCI_CMD_TBL_HDR; |
64738e8ae ahci: Use virt_to... |
606 607 |
pp->cmd_tbl_sg = (struct ahci_sg *)(uintptr_t)virt_to_phys((void *)mem); |
4782ac80b Add AHCI support ... |
608 |
|
5b7a2bf31 ata: ahci: Don't ... |
609 610 611 612 613 614 |
dma_addr = (ulong)pp->cmd_slot; writel_with_flush(dma_addr, port_mmio + PORT_LST_ADDR); writel_with_flush(dma_addr >> 32, port_mmio + PORT_LST_ADDR_HI); dma_addr = (ulong)pp->rx_fis; writel_with_flush(dma_addr, port_mmio + PORT_FIS_ADDR); writel_with_flush(dma_addr >> 32, port_mmio + PORT_FIS_ADDR_HI); |
4782ac80b Add AHCI support ... |
615 |
|
a6e50a88d ahci: provide sun... |
616 617 618 |
#ifdef CONFIG_SUNXI_AHCI sunxi_dma_init(port_mmio); #endif |
4782ac80b Add AHCI support ... |
619 |
writel_with_flush(PORT_CMD_ICC_ACTIVE | PORT_CMD_FIS_RX | |
4a7cc0f21 Cleanup and linde... |
620 621 |
PORT_CMD_POWER_ON | PORT_CMD_SPIN_UP | PORT_CMD_START, port_mmio + PORT_CMD); |
4782ac80b Add AHCI support ... |
622 |
|
4a7cc0f21 Cleanup and linde... |
623 624 |
debug("Exit start port %d ", port); |
4782ac80b Add AHCI support ... |
625 |
|
4df2b48fb x86: ahci: Make s... |
626 627 628 629 630 |
/* * Make sure interface is not busy based on error and status * information from task file data register before proceeding */ return wait_spinup(port_mmio); |
4782ac80b Add AHCI support ... |
631 |
} |
225b1da7b dm: ahci: Refacto... |
632 633 |
static int ahci_device_data_io(struct ahci_uc_priv *uc_priv, u8 port, u8 *fis, int fis_len, u8 *buf, int buf_len, u8 is_write) |
4782ac80b Add AHCI support ... |
634 |
{ |
225b1da7b dm: ahci: Refacto... |
635 |
struct ahci_ioports *pp = &(uc_priv->port[port]); |
fa31377ef ahci: Fix compili... |
636 |
void __iomem *port_mmio = pp->port_mmio; |
4782ac80b Add AHCI support ... |
637 638 639 |
u32 opts; u32 port_status; int sg_count; |
b7a21b70d ahci: support scs... |
640 641 |
debug("Enter %s: for port %d ", __func__, port); |
4782ac80b Add AHCI support ... |
642 |
|
2d5c658e8 MLK-22293-3 ata: ... |
643 644 645 |
if (port >= uc_priv->n_ports) { debug("Invalid port number %d ", port); |
4782ac80b Add AHCI support ... |
646 647 648 649 |
return -1; } port_status = readl(port_mmio + PORT_SCR_STAT); |
4a7cc0f21 Cleanup and linde... |
650 651 652 |
if ((port_status & 0xf) != 0x03) { debug("No Link on port %d! ", port); |
4782ac80b Add AHCI support ... |
653 654 655 656 |
return -1; } memcpy((unsigned char *)pp->cmd_tbl, fis, fis_len); |
225b1da7b dm: ahci: Refacto... |
657 |
sg_count = ahci_fill_sg(uc_priv, port, buf, buf_len); |
b7a21b70d ahci: support scs... |
658 |
opts = (fis_len >> 2) | (sg_count << 16) | (is_write << 6); |
4782ac80b Add AHCI support ... |
659 |
ahci_fill_cmd_slot(pp, opts); |
90b276f6a ahci: flush / inv... |
660 |
ahci_dcache_flush_sata_cmd(pp); |
fa31377ef ahci: Fix compili... |
661 |
ahci_dcache_flush_range((unsigned long)buf, (unsigned long)buf_len); |
90b276f6a ahci: flush / inv... |
662 |
|
4782ac80b Add AHCI support ... |
663 |
writel_with_flush(1, port_mmio + PORT_CMD_ISSUE); |
57847660b ahci: Adjust SATA... |
664 665 |
if (waiting_for_cmd_completed(port_mmio + PORT_CMD_ISSUE, WAIT_MS_DATAIO, 0x1)) { |
4782ac80b Add AHCI support ... |
666 667 668 669 |
printf("timeout exit! "); return -1; } |
90b276f6a ahci: flush / inv... |
670 |
|
fa31377ef ahci: Fix compili... |
671 672 |
ahci_dcache_invalidate_range((unsigned long)buf, (unsigned long)buf_len); |
b7a21b70d ahci: support scs... |
673 674 |
debug("%s: %d byte transferred. ", __func__, pp->cmd_slot->status); |
4782ac80b Add AHCI support ... |
675 676 677 678 679 680 681 682 |
return 0; } static char *ata_id_strcpy(u16 *target, u16 *src, int len) { int i; |
4a7cc0f21 Cleanup and linde... |
683 |
for (i = 0; i < len / 2; i++) |
e5a6c79d4 scsi/ahci: ata id... |
684 |
target[i] = swab16(src[i]); |
4782ac80b Add AHCI support ... |
685 686 |
return (char *)target; } |
4782ac80b Add AHCI support ... |
687 688 689 |
/* * SCSI INQUIRY command operation. */ |
4b62b2ff5 dm: sata: Move at... |
690 691 |
static int ata_scsiop_inquiry(struct ahci_uc_priv *uc_priv, struct scsi_cmd *pccb) |
4782ac80b Add AHCI support ... |
692 |
{ |
48c3a87c0 ahci: fix unalign... |
693 |
static const u8 hdr[] = { |
4782ac80b Add AHCI support ... |
694 695 |
0, 0, |
4a7cc0f21 Cleanup and linde... |
696 |
0x5, /* claim SPC-3 version compatibility */ |
4782ac80b Add AHCI support ... |
697 698 699 700 |
2, 95 - 4, }; u8 fis[20]; |
3f6297116 ahci: Fix data ab... |
701 |
u16 *idbuf; |
2faf5fb82 ahci: Fix cache a... |
702 |
ALLOC_CACHE_ALIGN_BUFFER(u16, tmpid, ATA_ID_WORDS); |
4782ac80b Add AHCI support ... |
703 704 705 706 707 708 |
u8 port; /* Clean ccb data buffer */ memset(pccb->pdata, 0, pccb->datalen); memcpy(pccb->pdata, hdr, sizeof(hdr)); |
4a7cc0f21 Cleanup and linde... |
709 |
if (pccb->datalen <= 35) |
4782ac80b Add AHCI support ... |
710 |
return 0; |
c87311156 ahci: Use sizeof(... |
711 |
memset(fis, 0, sizeof(fis)); |
4782ac80b Add AHCI support ... |
712 |
/* Construct the FIS */ |
4a7cc0f21 Cleanup and linde... |
713 714 |
fis[0] = 0x27; /* Host to device FIS. */ fis[1] = 1 << 7; /* Command FIS. */ |
344ca0b40 ahci: convert to ... |
715 |
fis[2] = ATA_CMD_ID_ATA; /* Command byte. */ |
4782ac80b Add AHCI support ... |
716 717 718 |
/* Read id from sata */ port = pccb->target; |
4782ac80b Add AHCI support ... |
719 |
|
225b1da7b dm: ahci: Refacto... |
720 721 |
if (ahci_device_data_io(uc_priv, port, (u8 *)&fis, sizeof(fis), (u8 *)tmpid, ATA_ID_WORDS * 2, 0)) { |
4782ac80b Add AHCI support ... |
722 723 724 725 |
debug("scsi_ahci: SCSI inquiry command failure. "); return -EIO; } |
4b62b2ff5 dm: sata: Move at... |
726 727 728 |
if (!uc_priv->ataid[port]) { uc_priv->ataid[port] = malloc(ATA_ID_WORDS * 2); if (!uc_priv->ataid[port]) { |
3f6297116 ahci: Fix data ab... |
729 730 731 732 733 |
printf("%s: No memory for ataid[port] ", __func__); return -ENOMEM; } } |
4b62b2ff5 dm: sata: Move at... |
734 |
idbuf = uc_priv->ataid[port]; |
3f6297116 ahci: Fix data ab... |
735 736 737 |
memcpy(idbuf, tmpid, ATA_ID_WORDS * 2); ata_swap_buf_le16(idbuf, ATA_ID_WORDS); |
4782ac80b Add AHCI support ... |
738 739 |
memcpy(&pccb->pdata[8], "ATA ", 8); |
3f6297116 ahci: Fix data ab... |
740 741 |
ata_id_strcpy((u16 *)&pccb->pdata[16], &idbuf[ATA_ID_PROD], 16); ata_id_strcpy((u16 *)&pccb->pdata[32], &idbuf[ATA_ID_FW_REV], 4); |
4782ac80b Add AHCI support ... |
742 |
|
344ca0b40 ahci: convert to ... |
743 |
#ifdef DEBUG |
3f6297116 ahci: Fix data ab... |
744 |
ata_dump_id(idbuf); |
344ca0b40 ahci: convert to ... |
745 |
#endif |
4782ac80b Add AHCI support ... |
746 747 748 749 750 |
return 0; } /* |
b7a21b70d ahci: support scs... |
751 |
* SCSI READ10/WRITE10 command operation. |
4782ac80b Add AHCI support ... |
752 |
*/ |
225b1da7b dm: ahci: Refacto... |
753 754 |
static int ata_scsiop_read_write(struct ahci_uc_priv *uc_priv, struct scsi_cmd *pccb, u8 is_write) |
4782ac80b Add AHCI support ... |
755 |
{ |
2b42c9317 ahci: support LBA... |
756 |
lbaint_t lba = 0; |
284231e49 ahci: Support spl... |
757 |
u16 blocks = 0; |
4782ac80b Add AHCI support ... |
758 |
u8 fis[20]; |
284231e49 ahci: Support spl... |
759 760 |
u8 *user_buffer = pccb->pdata; u32 user_buffer_size = pccb->datalen; |
4782ac80b Add AHCI support ... |
761 |
|
284231e49 ahci: Support spl... |
762 |
/* Retrieve the base LBA number from the ccb structure. */ |
2b42c9317 ahci: support LBA... |
763 764 765 766 767 768 769 770 |
if (pccb->cmd[0] == SCSI_READ16) { memcpy(&lba, pccb->cmd + 2, 8); lba = be64_to_cpu(lba); } else { u32 temp; memcpy(&temp, pccb->cmd + 2, 4); lba = be32_to_cpu(temp); } |
4782ac80b Add AHCI support ... |
771 |
|
284231e49 ahci: Support spl... |
772 |
/* |
2b42c9317 ahci: support LBA... |
773 774 |
* Retrieve the base LBA number and the block count from * the ccb structure. |
284231e49 ahci: Support spl... |
775 776 |
* * For 10-byte and 16-byte SCSI R/W commands, transfer |
4782ac80b Add AHCI support ... |
777 778 779 780 781 782 |
* length 0 means transfer 0 block of data. * However, for ATA R/W commands, sector count 0 means * 256 or 65536 sectors, not 0 sectors as in SCSI. * * WARNING: one or two older ATA drives treat 0 as 0... */ |
2b42c9317 ahci: support LBA... |
783 784 785 786 |
if (pccb->cmd[0] == SCSI_READ16) blocks = (((u16)pccb->cmd[13]) << 8) | ((u16) pccb->cmd[14]); else blocks = (((u16)pccb->cmd[7]) << 8) | ((u16) pccb->cmd[8]); |
284231e49 ahci: Support spl... |
787 |
|
2b42c9317 ahci: support LBA... |
788 789 790 |
debug("scsi_ahci: %s %u blocks starting from lba 0x" LBAFU " ", is_write ? "write" : "read", blocks, lba); |
284231e49 ahci: Support spl... |
791 792 |
/* Preset the FIS */ |
c87311156 ahci: Use sizeof(... |
793 |
memset(fis, 0, sizeof(fis)); |
284231e49 ahci: Support spl... |
794 795 |
fis[0] = 0x27; /* Host to device FIS. */ fis[1] = 1 << 7; /* Command FIS. */ |
b7a21b70d ahci: support scs... |
796 |
/* Command byte (read/write). */ |
fe1f808ce ahci: Expand HDD ... |
797 |
fis[2] = is_write ? ATA_CMD_WRITE_EXT : ATA_CMD_READ_EXT; |
4782ac80b Add AHCI support ... |
798 |
|
284231e49 ahci: Support spl... |
799 800 801 |
while (blocks) { u16 now_blocks; /* number of blocks per iteration */ u32 transfer_size; /* number of bytes per iteration */ |
b41411954 linux/kernel.h: s... |
802 |
now_blocks = min((u16)MAX_SATA_BLOCKS_READ_WRITE, blocks); |
284231e49 ahci: Support spl... |
803 |
|
344ca0b40 ahci: convert to ... |
804 |
transfer_size = ATA_SECT_SIZE * now_blocks; |
284231e49 ahci: Support spl... |
805 806 807 808 809 |
if (transfer_size > user_buffer_size) { printf("scsi_ahci: Error: buffer too small. "); return -EIO; } |
2b42c9317 ahci: support LBA... |
810 811 812 813 |
/* * LBA48 SATA command but only use 32bit address range within * that (unless we've enabled 64bit LBA support). The next * smaller command range (28bit) is too small. |
fe1f808ce ahci: Expand HDD ... |
814 |
*/ |
284231e49 ahci: Support spl... |
815 816 817 |
fis[4] = (lba >> 0) & 0xff; fis[5] = (lba >> 8) & 0xff; fis[6] = (lba >> 16) & 0xff; |
fe1f808ce ahci: Expand HDD ... |
818 819 |
fis[7] = 1 << 6; /* device reg: set LBA mode */ fis[8] = ((lba >> 24) & 0xff); |
2b42c9317 ahci: support LBA... |
820 821 822 823 824 825 |
#ifdef CONFIG_SYS_64BIT_LBA if (pccb->cmd[0] == SCSI_READ16) { fis[9] = ((lba >> 32) & 0xff); fis[10] = ((lba >> 40) & 0xff); } #endif |
fe1f808ce ahci: Expand HDD ... |
826 |
fis[3] = 0xe0; /* features */ |
284231e49 ahci: Support spl... |
827 828 829 830 |
/* Block (sector) count */ fis[12] = (now_blocks >> 0) & 0xff; fis[13] = (now_blocks >> 8) & 0xff; |
b7a21b70d ahci: support scs... |
831 |
/* Read/Write from ahci */ |
225b1da7b dm: ahci: Refacto... |
832 833 |
if (ahci_device_data_io(uc_priv, pccb->target, (u8 *)&fis, sizeof(fis), user_buffer, transfer_size, |
b7a21b70d ahci: support scs... |
834 835 836 837 |
is_write)) { debug("scsi_ahci: SCSI %s10 command failure. ", is_write ? "WRITE" : "READ"); |
284231e49 ahci: Support spl... |
838 839 |
return -EIO; } |
766b16fe1 ahci: Perform SAT... |
840 841 842 843 844 845 846 847 |
/* If this transaction is a write, do a following flush. * Writes in u-boot are so rare, and the logic to know when is * the last write and do a flush only there is sufficiently * difficult. Just do a flush after every write. This incurs, * usually, one extra flush when the rare writes do happen. */ if (is_write) { |
225b1da7b dm: ahci: Refacto... |
848 |
if (-EIO == ata_io_flush(uc_priv, pccb->target)) |
766b16fe1 ahci: Perform SAT... |
849 850 |
return -EIO; } |
284231e49 ahci: Support spl... |
851 852 853 854 |
user_buffer += transfer_size; user_buffer_size -= transfer_size; blocks -= now_blocks; lba += now_blocks; |
4782ac80b Add AHCI support ... |
855 856 857 858 859 860 861 862 863 |
} return 0; } /* * SCSI READ CAPACITY10 command operation. */ |
4b62b2ff5 dm: sata: Move at... |
864 865 |
static int ata_scsiop_read_capacity10(struct ahci_uc_priv *uc_priv, struct scsi_cmd *pccb) |
4782ac80b Add AHCI support ... |
866 |
{ |
cb6d0b72c ahci: Fix gcc 4.4... |
867 |
u32 cap; |
344ca0b40 ahci: convert to ... |
868 |
u64 cap64; |
19d1d41e8 ahci: Make the AH... |
869 |
u32 block_size; |
4782ac80b Add AHCI support ... |
870 |
|
4b62b2ff5 dm: sata: Move at... |
871 |
if (!uc_priv->ataid[pccb->target]) { |
4782ac80b Add AHCI support ... |
872 |
printf("scsi_ahci: SCSI READ CAPACITY10 command failure. " |
4a7cc0f21 Cleanup and linde... |
873 874 |
"\tNo ATA info! " |
1b25e586c Fix typo: firstly... |
875 876 |
"\tPlease run SCSI command INQUIRY first! "); |
4782ac80b Add AHCI support ... |
877 878 |
return -EPERM; } |
4b62b2ff5 dm: sata: Move at... |
879 |
cap64 = ata_id_n_sectors(uc_priv->ataid[pccb->target]); |
344ca0b40 ahci: convert to ... |
880 881 |
if (cap64 > 0x100000000ULL) cap64 = 0xffffffff; |
19d1d41e8 ahci: Make the AH... |
882 |
|
344ca0b40 ahci: convert to ... |
883 |
cap = cpu_to_be32(cap64); |
cb6d0b72c ahci: Fix gcc 4.4... |
884 |
memcpy(pccb->pdata, &cap, sizeof(cap)); |
4782ac80b Add AHCI support ... |
885 |
|
19d1d41e8 ahci: Make the AH... |
886 887 888 889 890 891 892 893 894 895 |
block_size = cpu_to_be32((u32)512); memcpy(&pccb->pdata[4], &block_size, 4); return 0; } /* * SCSI READ CAPACITY16 command operation. */ |
4b62b2ff5 dm: sata: Move at... |
896 897 |
static int ata_scsiop_read_capacity16(struct ahci_uc_priv *uc_priv, struct scsi_cmd *pccb) |
19d1d41e8 ahci: Make the AH... |
898 899 900 |
{ u64 cap; u64 block_size; |
4b62b2ff5 dm: sata: Move at... |
901 |
if (!uc_priv->ataid[pccb->target]) { |
19d1d41e8 ahci: Make the AH... |
902 903 904 |
printf("scsi_ahci: SCSI READ CAPACITY16 command failure. " "\tNo ATA info! " |
1b25e586c Fix typo: firstly... |
905 906 |
"\tPlease run SCSI command INQUIRY first! "); |
19d1d41e8 ahci: Make the AH... |
907 908 |
return -EPERM; } |
4b62b2ff5 dm: sata: Move at... |
909 |
cap = ata_id_n_sectors(uc_priv->ataid[pccb->target]); |
19d1d41e8 ahci: Make the AH... |
910 911 912 913 914 |
cap = cpu_to_be64(cap); memcpy(pccb->pdata, &cap, sizeof(cap)); block_size = cpu_to_be64((u64)512); memcpy(&pccb->pdata[8], &block_size, 8); |
4782ac80b Add AHCI support ... |
915 916 917 918 919 920 921 922 |
return 0; } /* * SCSI TEST UNIT READY command operation. */ |
4b62b2ff5 dm: sata: Move at... |
923 924 |
static int ata_scsiop_test_unit_ready(struct ahci_uc_priv *uc_priv, struct scsi_cmd *pccb) |
4782ac80b Add AHCI support ... |
925 |
{ |
4b62b2ff5 dm: sata: Move at... |
926 |
return (uc_priv->ataid[pccb->target]) ? 0 : -EPERM; |
4782ac80b Add AHCI support ... |
927 |
} |
4a7cc0f21 Cleanup and linde... |
928 |
|
4e7490145 dm: ahci: Create ... |
929 |
static int ahci_scsi_exec(struct udevice *dev, struct scsi_cmd *pccb) |
4782ac80b Add AHCI support ... |
930 |
{ |
4682c8a19 dm: scsi: Add a d... |
931 932 |
struct ahci_uc_priv *uc_priv; #ifdef CONFIG_DM_SCSI |
bfc1c6b48 dm: ahci: Correct... |
933 |
uc_priv = dev_get_uclass_priv(dev->parent); |
4682c8a19 dm: scsi: Add a d... |
934 935 936 |
#else uc_priv = probe_ent; #endif |
4782ac80b Add AHCI support ... |
937 |
int ret; |
4a7cc0f21 Cleanup and linde... |
938 |
switch (pccb->cmd[0]) { |
2b42c9317 ahci: support LBA... |
939 |
case SCSI_READ16: |
4782ac80b Add AHCI support ... |
940 |
case SCSI_READ10: |
225b1da7b dm: ahci: Refacto... |
941 |
ret = ata_scsiop_read_write(uc_priv, pccb, 0); |
b7a21b70d ahci: support scs... |
942 943 |
break; case SCSI_WRITE10: |
225b1da7b dm: ahci: Refacto... |
944 |
ret = ata_scsiop_read_write(uc_priv, pccb, 1); |
4782ac80b Add AHCI support ... |
945 |
break; |
19d1d41e8 ahci: Make the AH... |
946 |
case SCSI_RD_CAPAC10: |
4b62b2ff5 dm: sata: Move at... |
947 |
ret = ata_scsiop_read_capacity10(uc_priv, pccb); |
4782ac80b Add AHCI support ... |
948 |
break; |
19d1d41e8 ahci: Make the AH... |
949 |
case SCSI_RD_CAPAC16: |
4b62b2ff5 dm: sata: Move at... |
950 |
ret = ata_scsiop_read_capacity16(uc_priv, pccb); |
19d1d41e8 ahci: Make the AH... |
951 |
break; |
4782ac80b Add AHCI support ... |
952 |
case SCSI_TST_U_RDY: |
4b62b2ff5 dm: sata: Move at... |
953 |
ret = ata_scsiop_test_unit_ready(uc_priv, pccb); |
4782ac80b Add AHCI support ... |
954 955 |
break; case SCSI_INQUIRY: |
4b62b2ff5 dm: sata: Move at... |
956 |
ret = ata_scsiop_inquiry(uc_priv, pccb); |
4782ac80b Add AHCI support ... |
957 958 959 960 |
break; default: printf("Unsupport SCSI command 0x%02x ", pccb->cmd[0]); |
f6580ef39 dm: scsi: Adjust ... |
961 |
return -ENOTSUPP; |
4782ac80b Add AHCI support ... |
962 |
} |
4a7cc0f21 Cleanup and linde... |
963 964 965 |
if (ret) { debug("SCSI command 0x%02x ret errno %d ", pccb->cmd[0], ret); |
f6580ef39 dm: scsi: Adjust ... |
966 |
return ret; |
4782ac80b Add AHCI support ... |
967 |
} |
f6580ef39 dm: scsi: Adjust ... |
968 |
return 0; |
4782ac80b Add AHCI support ... |
969 970 |
} |
62b4ec8e3 dm: ahci: Move co... |
971 972 973 974 975 976 |
static int ahci_start_ports(struct ahci_uc_priv *uc_priv) { u32 linkmap; int i; linkmap = uc_priv->link_port_map; |
8bf207d24 ata: ahci: Loop o... |
977 |
for (i = 0; i < uc_priv->n_ports; i++) { |
62b4ec8e3 dm: ahci: Move co... |
978 979 980 981 982 983 984 985 986 987 988 |
if (((linkmap >> i) & 0x01)) { if (ahci_port_start(uc_priv, (u8) i)) { printf("Can not start port %d ", i); continue; } } } return 0; } |
7cf1afce7 dm: ahci: Unwind ... |
989 |
#ifndef CONFIG_DM_SCSI |
4782ac80b Add AHCI support ... |
990 991 |
void scsi_low_level_init(int busdevfunc) { |
225b1da7b dm: ahci: Refacto... |
992 |
struct ahci_uc_priv *uc_priv; |
4782ac80b Add AHCI support ... |
993 |
|
942e31437 scsi/ahci: add su... |
994 |
#ifndef CONFIG_SCSI_AHCI_PLAT |
4279efc4c dm: ahci: Drop us... |
995 996 997 998 999 1000 1001 |
probe_ent = calloc(1, sizeof(struct ahci_uc_priv)); if (!probe_ent) { printf("%s: No memory for uc_priv ", __func__); return; } uc_priv = probe_ent; |
e8a016b53 dm: Add support f... |
1002 |
# if defined(CONFIG_DM_PCI) |
ff758ccc8 dm: ahci: Convert... |
1003 1004 1005 1006 1007 1008 |
struct udevice *dev; int ret; ret = dm_pci_bus_find_bdf(busdevfunc, &dev); if (ret) return; |
4279efc4c dm: ahci: Drop us... |
1009 |
ahci_init_one(uc_priv, dev); |
ff758ccc8 dm: ahci: Convert... |
1010 |
# else |
4279efc4c dm: ahci: Drop us... |
1011 |
ahci_init_one(uc_priv, busdevfunc); |
ff758ccc8 dm: ahci: Convert... |
1012 |
# endif |
4279efc4c dm: ahci: Drop us... |
1013 |
#else |
225b1da7b dm: ahci: Refacto... |
1014 |
uc_priv = probe_ent; |
4279efc4c dm: ahci: Drop us... |
1015 |
#endif |
4782ac80b Add AHCI support ... |
1016 |
|
62b4ec8e3 dm: ahci: Move co... |
1017 |
ahci_start_ports(uc_priv); |
4782ac80b Add AHCI support ... |
1018 |
} |
7cf1afce7 dm: ahci: Unwind ... |
1019 1020 1021 1022 |
#endif #ifndef CONFIG_SCSI_AHCI_PLAT # if defined(CONFIG_DM_PCI) || defined(CONFIG_DM_SCSI) |
e81589ea4 ata: Fix ahci wor... |
1023 |
int ahci_init_one_dm(struct udevice *dev) |
7cf1afce7 dm: ahci: Unwind ... |
1024 |
{ |
4279efc4c dm: ahci: Drop us... |
1025 1026 1027 |
struct ahci_uc_priv *uc_priv = dev_get_uclass_priv(dev); return ahci_init_one(uc_priv, dev); |
7cf1afce7 dm: ahci: Unwind ... |
1028 1029 1030 |
} #endif #endif |
e81589ea4 ata: Fix ahci wor... |
1031 |
int ahci_start_ports_dm(struct udevice *dev) |
7cf1afce7 dm: ahci: Unwind ... |
1032 |
{ |
4279efc4c dm: ahci: Drop us... |
1033 |
struct ahci_uc_priv *uc_priv = dev_get_uclass_priv(dev); |
7cf1afce7 dm: ahci: Unwind ... |
1034 1035 1036 |
return ahci_start_ports(uc_priv); } |
4782ac80b Add AHCI support ... |
1037 |
|
942e31437 scsi/ahci: add su... |
1038 |
#ifdef CONFIG_SCSI_AHCI_PLAT |
4279efc4c dm: ahci: Drop us... |
1039 |
static int ahci_init_common(struct ahci_uc_priv *uc_priv, void __iomem *base) |
942e31437 scsi/ahci: add su... |
1040 |
{ |
4279efc4c dm: ahci: Drop us... |
1041 |
int rc; |
942e31437 scsi/ahci: add su... |
1042 |
|
225b1da7b dm: ahci: Refacto... |
1043 |
uc_priv->host_flags = ATA_FLAG_SATA |
942e31437 scsi/ahci: add su... |
1044 1045 1046 1047 |
| ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA | ATA_FLAG_NO_ATAPI; |
225b1da7b dm: ahci: Refacto... |
1048 1049 |
uc_priv->pio_mask = 0x1f; uc_priv->udma_mask = 0x7f; /*Fixme,assume to support UDMA6 */ |
942e31437 scsi/ahci: add su... |
1050 |
|
225b1da7b dm: ahci: Refacto... |
1051 |
uc_priv->mmio_base = base; |
942e31437 scsi/ahci: add su... |
1052 1053 |
/* initialize adapter */ |
225b1da7b dm: ahci: Refacto... |
1054 |
rc = ahci_host_init(uc_priv); |
942e31437 scsi/ahci: add su... |
1055 1056 |
if (rc) goto err_out; |
225b1da7b dm: ahci: Refacto... |
1057 |
ahci_print_info(uc_priv); |
942e31437 scsi/ahci: add su... |
1058 |
|
62b4ec8e3 dm: ahci: Move co... |
1059 |
rc = ahci_start_ports(uc_priv); |
942e31437 scsi/ahci: add su... |
1060 |
|
942e31437 scsi/ahci: add su... |
1061 1062 1063 |
err_out: return rc; } |
c6f3d50b9 ahci-plat: Provid... |
1064 |
|
4279efc4c dm: ahci: Drop us... |
1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 |
#ifndef CONFIG_DM_SCSI int ahci_init(void __iomem *base) { struct ahci_uc_priv *uc_priv; probe_ent = malloc(sizeof(struct ahci_uc_priv)); if (!probe_ent) { printf("%s: No memory for uc_priv ", __func__); return -ENOMEM; } uc_priv = probe_ent; memset(uc_priv, 0, sizeof(struct ahci_uc_priv)); return ahci_init_common(uc_priv, base); } #endif int ahci_init_dm(struct udevice *dev, void __iomem *base) { struct ahci_uc_priv *uc_priv = dev_get_uclass_priv(dev); return ahci_init_common(uc_priv, base); } |
c6f3d50b9 ahci-plat: Provid... |
1090 1091 1092 |
void __weak scsi_init(void) { } |
4279efc4c dm: ahci: Drop us... |
1093 |
#endif /* CONFIG_SCSI_AHCI_PLAT */ |
4782ac80b Add AHCI support ... |
1094 |
|
766b16fe1 ahci: Perform SAT... |
1095 1096 1097 1098 1099 1100 1101 1102 1103 |
/* * In the general case of generic rotating media it makes sense to have a * flush capability. It probably even makes sense in the case of SSDs because * one cannot always know for sure what kind of internal cache/flush mechanism * is embodied therein. At first it was planned to invoke this after the last * write to disk and before rebooting. In practice, knowing, a priori, which * is the last write is difficult. Because writing to the disk in u-boot is * very rare, this flush command will be invoked after every block write. */ |
225b1da7b dm: ahci: Refacto... |
1104 |
static int ata_io_flush(struct ahci_uc_priv *uc_priv, u8 port) |
766b16fe1 ahci: Perform SAT... |
1105 1106 |
{ u8 fis[20]; |
225b1da7b dm: ahci: Refacto... |
1107 |
struct ahci_ioports *pp = &(uc_priv->port[port]); |
fa31377ef ahci: Fix compili... |
1108 |
void __iomem *port_mmio = pp->port_mmio; |
766b16fe1 ahci: Perform SAT... |
1109 1110 1111 1112 1113 1114 |
u32 cmd_fis_len = 5; /* five dwords */ /* Preset the FIS */ memset(fis, 0, 20); fis[0] = 0x27; /* Host to device FIS. */ fis[1] = 1 << 7; /* Command FIS. */ |
fe1f808ce ahci: Expand HDD ... |
1115 |
fis[2] = ATA_CMD_FLUSH_EXT; |
766b16fe1 ahci: Perform SAT... |
1116 1117 1118 |
memcpy((unsigned char *)pp->cmd_tbl, fis, 20); ahci_fill_cmd_slot(pp, cmd_fis_len); |
75e14b1ac ahci: flush dcach... |
1119 |
ahci_dcache_flush_sata_cmd(pp); |
766b16fe1 ahci: Perform SAT... |
1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 |
writel_with_flush(1, port_mmio + PORT_CMD_ISSUE); if (waiting_for_cmd_completed(port_mmio + PORT_CMD_ISSUE, WAIT_MS_FLUSH, 0x1)) { debug("scsi_ahci: flush command timeout on port %d. ", port); return -EIO; } return 0; } |
4e7490145 dm: ahci: Create ... |
1131 1132 1133 1134 1135 1136 |
static int ahci_scsi_bus_reset(struct udevice *dev) { /* Not implemented */ return 0; } |
f6ab5a92a dm: scsi: Add ope... |
1137 |
#ifdef CONFIG_DM_SCSI |
681357ffd dm: ahci: Add a d... |
1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 |
int ahci_bind_scsi(struct udevice *ahci_dev, struct udevice **devp) { struct udevice *dev; int ret; ret = device_bind_driver(ahci_dev, "ahci_scsi", "ahci_scsi", &dev); if (ret) return ret; *devp = dev; return 0; } |
745a94f35 ahci: Support non... |
1150 |
int ahci_probe_scsi(struct udevice *ahci_dev, ulong base) |
681357ffd dm: ahci: Add a d... |
1151 |
{ |
681357ffd dm: ahci: Add a d... |
1152 1153 1154 1155 1156 1157 1158 1159 1160 |
struct ahci_uc_priv *uc_priv; struct scsi_platdata *uc_plat; struct udevice *dev; int ret; device_find_first_child(ahci_dev, &dev); if (!dev) return -ENODEV; uc_plat = dev_get_uclass_platdata(dev); |
745a94f35 ahci: Support non... |
1161 |
uc_plat->base = base; |
681357ffd dm: ahci: Add a d... |
1162 1163 |
uc_plat->max_lun = 1; uc_plat->max_id = 2; |
745a94f35 ahci: Support non... |
1164 1165 |
uc_priv = dev_get_uclass_priv(ahci_dev); |
681357ffd dm: ahci: Add a d... |
1166 1167 1168 1169 1170 1171 |
ret = ahci_init_one(uc_priv, dev); if (ret) return ret; ret = ahci_start_ports(uc_priv); if (ret) return ret; |
681357ffd dm: ahci: Add a d... |
1172 |
|
bd98e6ae7 dm: scsi: Scan th... |
1173 1174 1175 1176 1177 1178 1179 |
/* * scsi_scan_dev() scans devices up-to the number of max_id. * Update max_id if the number of detected ports exceeds max_id. * This allows SCSI to scan all detected ports. */ uc_plat->max_id = max_t(unsigned long, uc_priv->n_ports, uc_plat->max_id); |
681357ffd dm: ahci: Add a d... |
1180 1181 |
return 0; } |
745a94f35 ahci: Support non... |
1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 |
#ifdef CONFIG_DM_PCI int ahci_probe_scsi_pci(struct udevice *ahci_dev) { ulong base; base = (ulong)dm_pci_map_bar(ahci_dev, PCI_BASE_ADDRESS_5, PCI_REGION_MEM); return ahci_probe_scsi(ahci_dev, base); } #endif |
f6ab5a92a dm: scsi: Add ope... |
1193 1194 1195 1196 |
struct scsi_ops scsi_ops = { .exec = ahci_scsi_exec, .bus_reset = ahci_scsi_bus_reset, }; |
681357ffd dm: ahci: Add a d... |
1197 1198 1199 1200 1201 1202 |
U_BOOT_DRIVER(ahci_scsi) = { .name = "ahci_scsi", .id = UCLASS_SCSI, .ops = &scsi_ops, }; |
f6ab5a92a dm: scsi: Add ope... |
1203 |
#else |
4e7490145 dm: ahci: Create ... |
1204 1205 1206 1207 |
int scsi_exec(struct udevice *dev, struct scsi_cmd *pccb) { return ahci_scsi_exec(dev, pccb); } |
766b16fe1 ahci: Perform SAT... |
1208 |
|
4682c8a19 dm: scsi: Add a d... |
1209 |
__weak int scsi_bus_reset(struct udevice *dev) |
4782ac80b Add AHCI support ... |
1210 |
{ |
4e7490145 dm: ahci: Create ... |
1211 |
return ahci_scsi_bus_reset(dev); |
4682c8a19 dm: scsi: Add a d... |
1212 1213 |
return 0; |
4782ac80b Add AHCI support ... |
1214 |
} |
f6ab5a92a dm: scsi: Add ope... |
1215 |
#endif |