2 * Copyright 2007 Freescale Semiconductor.
4 * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
6 * See file CREDITS for list of people who contributed to this
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 #include <asm/processor.h>
28 #include <asm/immap_85xx.h>
29 #include <asm/immap_fsl_pci.h>
34 #include <fdt_support.h>
38 const qe_iop_conf_t qe_iop_conf_tab[] = {
40 {4, 10, 1, 0, 2}, /* TxD0 */
41 {4, 9, 1, 0, 2}, /* TxD1 */
42 {4, 8, 1, 0, 2}, /* TxD2 */
43 {4, 7, 1, 0, 2}, /* TxD3 */
44 {4, 23, 1, 0, 2}, /* TxD4 */
45 {4, 22, 1, 0, 2}, /* TxD5 */
46 {4, 21, 1, 0, 2}, /* TxD6 */
47 {4, 20, 1, 0, 2}, /* TxD7 */
48 {4, 15, 2, 0, 2}, /* RxD0 */
49 {4, 14, 2, 0, 2}, /* RxD1 */
50 {4, 13, 2, 0, 2}, /* RxD2 */
51 {4, 12, 2, 0, 2}, /* RxD3 */
52 {4, 29, 2, 0, 2}, /* RxD4 */
53 {4, 28, 2, 0, 2}, /* RxD5 */
54 {4, 27, 2, 0, 2}, /* RxD6 */
55 {4, 26, 2, 0, 2}, /* RxD7 */
56 {4, 11, 1, 0, 2}, /* TX_EN */
57 {4, 24, 1, 0, 2}, /* TX_ER */
58 {4, 16, 2, 0, 2}, /* RX_DV */
59 {4, 30, 2, 0, 2}, /* RX_ER */
60 {4, 17, 2, 0, 2}, /* RX_CLK */
61 {4, 19, 1, 0, 2}, /* GTX_CLK */
62 {1, 31, 2, 0, 3}, /* GTX125 */
65 {5, 10, 1, 0, 2}, /* TxD0 */
66 {5, 9, 1, 0, 2}, /* TxD1 */
67 {5, 8, 1, 0, 2}, /* TxD2 */
68 {5, 7, 1, 0, 2}, /* TxD3 */
69 {5, 23, 1, 0, 2}, /* TxD4 */
70 {5, 22, 1, 0, 2}, /* TxD5 */
71 {5, 21, 1, 0, 2}, /* TxD6 */
72 {5, 20, 1, 0, 2}, /* TxD7 */
73 {5, 15, 2, 0, 2}, /* RxD0 */
74 {5, 14, 2, 0, 2}, /* RxD1 */
75 {5, 13, 2, 0, 2}, /* RxD2 */
76 {5, 12, 2, 0, 2}, /* RxD3 */
77 {5, 29, 2, 0, 2}, /* RxD4 */
78 {5, 28, 2, 0, 2}, /* RxD5 */
79 {5, 27, 2, 0, 3}, /* RxD6 */
80 {5, 26, 2, 0, 2}, /* RxD7 */
81 {5, 11, 1, 0, 2}, /* TX_EN */
82 {5, 24, 1, 0, 2}, /* TX_ER */
83 {5, 16, 2, 0, 2}, /* RX_DV */
84 {5, 30, 2, 0, 2}, /* RX_ER */
85 {5, 17, 2, 0, 2}, /* RX_CLK */
86 {5, 19, 1, 0, 2}, /* GTX_CLK */
87 {1, 31, 2, 0, 3}, /* GTX125 */
88 {4, 6, 3, 0, 2}, /* MDIO */
89 {4, 5, 1, 0, 2}, /* MDC */
92 {2, 0, 1, 0, 2}, /* UART_SOUT1 */
93 {2, 1, 1, 0, 2}, /* UART_RTS1 */
94 {2, 2, 2, 0, 2}, /* UART_CTS1 */
95 {2, 3, 2, 0, 2}, /* UART_SIN1 */
97 {0, 0, 0, 0, QE_IOP_TAB_END}, /* END of table */
101 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
102 extern void ddr_enable_ecc(unsigned int dram_size);
105 extern long int spd_sdram(void);
107 void local_bus_init(void);
108 void sdram_init(void);
110 int board_early_init_f (void)
113 * Initialize local bus.
117 enable_8568mds_duart();
118 enable_8568mds_flash_write();
119 #if defined(CONFIG_UEC_ETH1) || defined(CONFIG_UEC_ETH2)
120 reset_8568mds_uccs();
122 #if defined(CONFIG_QE) && !defined(CONFIG_eTSEC_MDIO_BUS)
123 enable_8568mds_qe_mdio();
126 #ifdef CFG_I2C2_OFFSET
127 /* Enable I2C2_SCL and I2C2_SDA */
128 volatile struct par_io *port_c;
129 port_c = (struct par_io*)(CFG_IMMR + 0xe0140);
130 port_c->cpdir2 |= 0x0f000000;
131 port_c->cppar2 &= ~0x0f000000;
132 port_c->cppar2 |= 0x0a000000;
138 int checkboard (void)
140 printf ("Board: 8568 MDS\n");
146 initdram(int board_type)
150 puts("Initializing\n");
152 #if defined(CONFIG_DDR_DLL)
155 * Work around to stabilize DDR DLL MSYNC_IN.
156 * Errata DDR9 seems to have been fixed.
157 * This is now the workaround for Errata DDR11:
158 * Override DLL = 1, Course Adj = 1, Tap Select = 0
161 volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
163 gur->ddrdllcr = 0x81000000;
164 asm("sync;isync;msync");
168 dram_size = spd_sdram();
170 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
172 * Initialize and enable DDR ECC.
174 ddr_enable_ecc(dram_size);
177 * SDRAM Initialization
186 * Initialize Local Bus
191 volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
192 volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
198 get_sys_info(&sysinfo);
199 clkdiv = (lbc->lcrr & 0x0f) * 2;
200 lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
202 gur->lbiuiplldcr1 = 0x00078080;
204 gur->lbiuiplldcr0 = 0x7c0f1bf0;
205 } else if (clkdiv == 8) {
206 gur->lbiuiplldcr0 = 0x6c0f1bf0;
207 } else if (clkdiv == 4) {
208 gur->lbiuiplldcr0 = 0x5c0f1bf0;
211 lbc->lcrr |= 0x00030000;
213 asm("sync;isync;msync");
217 * Initialize SDRAM memory on the Local Bus.
222 #if defined(CFG_OR2_PRELIM) && defined(CFG_BR2_PRELIM)
225 volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
226 uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE;
231 print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
234 * Setup SDRAM Base and Option Registers
236 lbc->or2 = CFG_OR2_PRELIM;
239 lbc->br2 = CFG_BR2_PRELIM;
242 lbc->lbcr = CFG_LBC_LBCR;
246 lbc->lsrt = CFG_LBC_LSRT;
247 lbc->mrtpr = CFG_LBC_MRTPR;
251 * MPC8568 uses "new" 15-16 style addressing.
253 lsdmr_common = CFG_LBC_LSDMR_COMMON;
254 lsdmr_common |= CFG_LBC_LSDMR_BSMA1516;
257 * Issue PRECHARGE ALL command.
259 lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_PCHALL;
262 ppcDcbf((unsigned long) sdram_addr);
266 * Issue 8 AUTO REFRESH commands.
268 for (idx = 0; idx < 8; idx++) {
269 lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_ARFRSH;
272 ppcDcbf((unsigned long) sdram_addr);
277 * Issue 8 MODE-set command.
279 lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_MRW;
282 ppcDcbf((unsigned long) sdram_addr);
286 * Issue NORMAL OP command.
288 lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_NORMAL;
291 ppcDcbf((unsigned long) sdram_addr);
292 udelay(200); /* Overkill. Must wait > 200 bus cycles */
294 #endif /* enable SDRAM init */
297 #if defined(CFG_DRAM_TEST)
301 uint *pstart = (uint *) CFG_MEMTEST_START;
302 uint *pend = (uint *) CFG_MEMTEST_END;
305 printf("Testing DRAM from 0x%08x to 0x%08x\n",
309 printf("DRAM test phase 1:\n");
310 for (p = pstart; p < pend; p++)
313 for (p = pstart; p < pend; p++) {
314 if (*p != 0xaaaaaaaa) {
315 printf ("DRAM test fails at: %08x\n", (uint) p);
320 printf("DRAM test phase 2:\n");
321 for (p = pstart; p < pend; p++)
324 for (p = pstart; p < pend; p++) {
325 if (*p != 0x55555555) {
326 printf ("DRAM test fails at: %08x\n", (uint) p);
331 printf("DRAM test passed.\n");
336 #if defined(CONFIG_PCI)
337 #ifndef CONFIG_PCI_PNP
338 static struct pci_config_table pci_mpc8568mds_config_table[] = {
340 PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
341 pci_cfgfunc_config_device,
344 PCI_COMMON_MEMORY | PCI_COMMAND_MASTER}
350 static struct pci_controller pci1_hose = {
351 #ifndef CONFIG_PCI_PNP
352 config_table: pci_mpc8568mds_config_table,
355 #endif /* CONFIG_PCI */
358 static struct pci_controller pcie1_hose;
359 #endif /* CONFIG_PCIE1 */
361 int first_free_busno = 0;
364 * pib_init() -- Initialize the PCA9555 IO expander on the PIB board
369 u8 val8, orig_i2c_bus;
371 * Assign PIB PMC2/3 to PCI bus
374 /*switch temporarily to I2C bus #2 */
375 orig_i2c_bus = i2c_get_bus_num();
379 i2c_write(0x23, 0x6, 1, &val8, 1);
380 i2c_write(0x23, 0x7, 1, &val8, 1);
382 i2c_write(0x23, 0x2, 1, &val8, 1);
383 i2c_write(0x23, 0x3, 1, &val8, 1);
386 i2c_write(0x26, 0x6, 1, &val8, 1);
388 i2c_write(0x26, 0x7, 1, &val8, 1);
390 i2c_write(0x26, 0x2, 1, &val8, 1);
392 i2c_write(0x26, 0x3, 1, &val8, 1);
395 i2c_write(0x27, 0x6, 1, &val8, 1);
396 i2c_write(0x27, 0x7, 1, &val8, 1);
398 i2c_write(0x27, 0x2, 1, &val8, 1);
400 i2c_write(0x27, 0x3, 1, &val8, 1);
409 volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
410 uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
411 uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
417 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
418 extern void fsl_pci_init(struct pci_controller *hose);
419 struct pci_controller *hose = &pci1_hose;
421 uint pci_32 = 1; /* PORDEVSR[15] */
422 uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */
423 uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */
425 uint pci_agent = (host_agent == 3) || (host_agent == 4 ) || (host_agent == 6);
427 uint pci_speed = 66666000;
429 if (!(gur->devdisr & MPC85xx_DEVDISR_PCI1)) {
430 printf (" PCI: %d bit, %s MHz, %s, %s, %s\n",
432 (pci_speed == 33333000) ? "33" :
433 (pci_speed == 66666000) ? "66" : "unknown",
434 pci_clk_sel ? "sync" : "async",
435 pci_agent ? "agent" : "host",
436 pci_arb ? "arbiter" : "external-arbiter"
440 pci_set_region(hose->regions + 0,
444 PCI_REGION_MEM | PCI_REGION_MEMORY);
446 /* outbound memory */
447 pci_set_region(hose->regions + 1,
454 pci_set_region(hose->regions + 2,
460 hose->region_count = 3;
462 hose->first_busno = first_free_busno;
463 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
466 first_free_busno = hose->last_busno+1;
467 printf ("PCI on bus %02x - %02x\n",hose->first_busno,hose->last_busno);
469 printf (" PCI: disabled\n");
473 gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
478 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE1_ADDR;
479 extern void fsl_pci_init(struct pci_controller *hose);
480 struct pci_controller *hose = &pcie1_hose;
481 int pcie_ep = (host_agent == 0) || (host_agent == 2 ) || (host_agent == 3);
483 int pcie_configured = io_sel >= 1;
485 if (pcie_configured && !(gur->devdisr & MPC85xx_DEVDISR_PCIE)){
486 printf ("\n PCIE connected to slot as %s (base address %x)",
487 pcie_ep ? "End Point" : "Root Complex",
490 if (pci->pme_msg_det) {
491 pci->pme_msg_det = 0xffffffff;
492 debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
497 pci_set_region(hose->regions + 0,
501 PCI_REGION_MEM | PCI_REGION_MEMORY);
503 /* outbound memory */
504 pci_set_region(hose->regions + 1,
511 pci_set_region(hose->regions + 2,
517 hose->region_count = 3;
519 hose->first_busno=first_free_busno;
520 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
523 printf ("PCIE on bus %02x - %02x\n",hose->first_busno,hose->last_busno);
525 first_free_busno=hose->last_busno+1;
528 printf (" PCIE: disabled\n");
532 gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
535 #endif /* CONFIG_PCI */
537 #if defined(CONFIG_OF_BOARD_SETUP)
539 ft_board_setup(void *blob, bd_t *bd)
544 ft_cpu_setup(blob, bd);
546 node = fdt_path_offset(blob, "/aliases");
550 path = fdt_getprop(blob, node, "pci0", NULL);
552 tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
553 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
557 path = fdt_getprop(blob, node, "pci1", NULL);
559 tmp[1] = pcie1_hose.last_busno - pcie1_hose.first_busno;
560 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);