Commit cca34967cbd13ff6bd352be29e3f1cc88ab24c05

Authored by Joe Hamman
Committed by Jon Loeliger
1 parent c646bba646

Modify SBC8641D to use new Freescale PCI routines

PCI-Express sockets 1 and 2 verified working with Intel Pro/1000 PT
adapter.

Signed-off-by: Joe Hamman <joe.hamman@embeddedspecialties.com>
Signde-off-by: Jon Loeliger <jdl@freescale.com>

Showing 2 changed files with 125 additions and 40 deletions Side-by-side Diff

board/sbc8641d/sbc8641d.c
... ... @@ -33,6 +33,7 @@
33 33 #include <pci.h>
34 34 #include <asm/processor.h>
35 35 #include <asm/immap_86xx.h>
  36 +#include <asm/immap_fsl_pci.h>
36 37 #include <spd.h>
37 38  
38 39 #if defined(CONFIG_OF_FLAT_TREE)
... ... @@ -60,36 +61,6 @@
60 61 {
61 62 puts ("Board: Wind River SBC8641D\n");
62 63  
63   -#ifdef CONFIG_PCI
64   -
65   - volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
66   - volatile ccsr_gur_t *gur = &immap->im_gur;
67   - volatile ccsr_pex_t *pex1 = &immap->im_pex1;
68   -
69   - uint devdisr = gur->devdisr;
70   - uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16;
71   - uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17;
72   - uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
73   -
74   - if ((io_sel == 2 || io_sel == 3 || io_sel == 5
75   - || io_sel == 6 || io_sel == 7 || io_sel == 0xF)
76   - && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
77   - debug ("PCI-EXPRESS 1: %s \n", pex1_agent ? "Agent" : "Host");
78   - debug ("0x%08x=0x%08x ", &pex1->pme_msg_det, pex1->pme_msg_det);
79   - if (pex1->pme_msg_det) {
80   - pex1->pme_msg_det = 0xffffffff;
81   - debug (" with errors. Clearing. Now 0x%08x",
82   - pex1->pme_msg_det);
83   - }
84   - debug ("\n");
85   - } else {
86   - puts ("PCI-EXPRESS 1: Disabled in hardware\n");
87   - }
88   -
89   -#else
90   - puts ("PCI-EXPRESS1: Disabled in configuration\n");
91   -#endif
92   -
93 64 return 0;
94 65 }
95 66  
96 67  
97 68  
98 69  
99 70  
100 71  
101 72  
... ... @@ -244,21 +215,130 @@
244 215 };
245 216 #endif
246 217  
247   -static struct pci_controller hose = {
  218 +static struct pci_controller pci1_hose = {
248 219 #ifndef CONFIG_PCI_PNP
249   - config_table:pci_mpc86xxcts_config_table,
  220 + config_table:pci_mpc86xxcts_config_table
250 221 #endif
251 222 };
  223 +#endif /* CONFIG_PCI */
252 224  
253   -#endif /* CONFIG_PCI */
  225 +#ifdef CONFIG_PCI2
  226 +static struct pci_controller pci2_hose;
  227 +#endif /* CONFIG_PCI2 */
254 228  
255   -void pci_init_board (void)
  229 +int first_free_busno = 0;
  230 +
  231 +void pci_init_board(void)
256 232 {
257   -#ifdef CONFIG_PCI
258   - extern void pci_mpc86xx_init (struct pci_controller *hose);
  233 + volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
  234 + volatile ccsr_gur_t *gur = &immap->im_gur;
  235 + uint devdisr = gur->devdisr;
  236 + uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16;
259 237  
260   - pci_mpc86xx_init (&hose);
261   -#endif /* CONFIG_PCI */
  238 +#ifdef CONFIG_PCI1
  239 +{
  240 + volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
  241 + extern void fsl_pci_init(struct pci_controller *hose);
  242 + struct pci_controller *hose = &pci1_hose;
  243 +#ifdef DEBUG
  244 + uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17;
  245 + uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
  246 +#endif
  247 + if ((io_sel == 2 || io_sel == 3 || io_sel == 5
  248 + || io_sel == 6 || io_sel == 7 || io_sel == 0xF)
  249 + && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
  250 + debug("PCI-EXPRESS 1: %s \n", pex1_agent ? "Agent" : "Host");
  251 + debug("0x%08x=0x%08x ", &pci->pme_msg_det, pci->pme_msg_det);
  252 + if (pci->pme_msg_det) {
  253 + pci->pme_msg_det = 0xffffffff;
  254 + debug(" with errors. Clearing. Now 0x%08x",
  255 + pci->pme_msg_det);
  256 + }
  257 + debug("\n");
  258 +
  259 + /* inbound */
  260 + pci_set_region(hose->regions + 0,
  261 + CFG_PCI_MEMORY_BUS,
  262 + CFG_PCI_MEMORY_PHYS,
  263 + CFG_PCI_MEMORY_SIZE,
  264 + PCI_REGION_MEM | PCI_REGION_MEMORY);
  265 +
  266 + /* outbound memory */
  267 + pci_set_region(hose->regions + 1,
  268 + CFG_PCI1_MEM_BASE,
  269 + CFG_PCI1_MEM_PHYS,
  270 + CFG_PCI1_MEM_SIZE,
  271 + PCI_REGION_MEM);
  272 +
  273 + /* outbound io */
  274 + pci_set_region(hose->regions + 2,
  275 + CFG_PCI1_IO_BASE,
  276 + CFG_PCI1_IO_PHYS,
  277 + CFG_PCI1_IO_SIZE,
  278 + PCI_REGION_IO);
  279 +
  280 + hose->region_count = 3;
  281 +
  282 + hose->first_busno=first_free_busno;
  283 + pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
  284 +
  285 + fsl_pci_init(hose);
  286 +
  287 + first_free_busno=hose->last_busno+1;
  288 + printf (" PCI-EXPRESS 1 on bus %02x - %02x\n",
  289 + hose->first_busno,hose->last_busno);
  290 +
  291 + } else {
  292 + puts("PCI-EXPRESS 1: Disabled\n");
  293 + }
  294 +}
  295 +#else
  296 + puts("PCI-EXPRESS1: Disabled\n");
  297 +#endif /* CONFIG_PCI1 */
  298 +
  299 +#ifdef CONFIG_PCI2
  300 +{
  301 + volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI2_ADDR;
  302 + extern void fsl_pci_init(struct pci_controller *hose);
  303 + struct pci_controller *hose = &pci2_hose;
  304 +
  305 +
  306 + /* inbound */
  307 + pci_set_region(hose->regions + 0,
  308 + CFG_PCI_MEMORY_BUS,
  309 + CFG_PCI_MEMORY_PHYS,
  310 + CFG_PCI_MEMORY_SIZE,
  311 + PCI_REGION_MEM | PCI_REGION_MEMORY);
  312 +
  313 + /* outbound memory */
  314 + pci_set_region(hose->regions + 1,
  315 + CFG_PCI2_MEM_BASE,
  316 + CFG_PCI2_MEM_PHYS,
  317 + CFG_PCI2_MEM_SIZE,
  318 + PCI_REGION_MEM);
  319 +
  320 + /* outbound io */
  321 + pci_set_region(hose->regions + 2,
  322 + CFG_PCI2_IO_BASE,
  323 + CFG_PCI2_IO_PHYS,
  324 + CFG_PCI2_IO_SIZE,
  325 + PCI_REGION_IO);
  326 +
  327 + hose->region_count = 3;
  328 +
  329 + hose->first_busno=first_free_busno;
  330 + pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
  331 +
  332 + fsl_pci_init(hose);
  333 +
  334 + first_free_busno=hose->last_busno+1;
  335 + printf (" PCI-EXPRESS 2 on bus %02x - %02x\n",
  336 + hose->first_busno,hose->last_busno);
  337 +}
  338 +#else
  339 + puts("PCI-EXPRESS 2: Disabled\n");
  340 +#endif /* CONFIG_PCI2 */
  341 +
262 342 }
263 343  
264 344 #if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
include/configs/sbc8641d.h
... ... @@ -49,8 +49,10 @@
49 49  
50 50 #define CFG_RESET_ADDRESS 0xfff00100
51 51  
52   -#undef CONFIG_PCI
53   -#define CONFIG_FSL_PCI_INIT 1
  52 +#define CONFIG_PCI 1 /* Enable PCIE */
  53 +#define CONFIG_PCI1 1 /* PCIE controler 1 (slot 1) */
  54 +#define CONFIG_PCI2 1 /* PCIE controler 2 (slot 2) */
  55 +#define CONFIG_FSL_PCI_INIT 1 /* Use common FSL init code */
54 56  
55 57 #define CONFIG_TSEC_ENET /* tsec ethernet support */
56 58 #define CONFIG_ENV_OVERWRITE
... ... @@ -94,6 +96,9 @@
94 96 #define CFG_CCSRBAR_DEFAULT 0xff700000 /* CCSRBAR Default */
95 97 #define CFG_CCSRBAR 0xf8000000 /* relocated CCSRBAR */
96 98 #define CFG_IMMR CFG_CCSRBAR /* PQII uses CFG_IMMR */
  99 +
  100 +#define CFG_PCI1_ADDR (CFG_CCSRBAR+0x8000)
  101 +#define CFG_PCI2_ADDR (CFG_CCSRBAR+0x9000)
97 102  
98 103 /*
99 104 * DDR Setup