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>
30 #include <spd_sdram.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 void local_bus_init(void);
106 void sdram_init(void);
108 int board_early_init_f (void)
111 * Initialize local bus.
115 enable_8568mds_duart();
116 enable_8568mds_flash_write();
117 #if defined(CONFIG_UEC_ETH1) || defined(CONFIG_UEC_ETH2)
118 reset_8568mds_uccs();
120 #if defined(CONFIG_QE) && !defined(CONFIG_eTSEC_MDIO_BUS)
121 enable_8568mds_qe_mdio();
124 #ifdef CFG_I2C2_OFFSET
125 /* Enable I2C2_SCL and I2C2_SDA */
126 volatile struct par_io *port_c;
127 port_c = (struct par_io*)(CFG_IMMR + 0xe0140);
128 port_c->cpdir2 |= 0x0f000000;
129 port_c->cppar2 &= ~0x0f000000;
130 port_c->cppar2 |= 0x0a000000;
136 int checkboard (void)
138 printf ("Board: 8568 MDS\n");
144 initdram(int board_type)
148 puts("Initializing\n");
150 #if defined(CONFIG_DDR_DLL)
153 * Work around to stabilize DDR DLL MSYNC_IN.
154 * Errata DDR9 seems to have been fixed.
155 * This is now the workaround for Errata DDR11:
156 * Override DLL = 1, Course Adj = 1, Tap Select = 0
159 volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
161 gur->ddrdllcr = 0x81000000;
162 asm("sync;isync;msync");
166 dram_size = spd_sdram();
168 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
170 * Initialize and enable DDR ECC.
172 ddr_enable_ecc(dram_size);
175 * SDRAM Initialization
184 * Initialize Local Bus
189 volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
190 volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
196 get_sys_info(&sysinfo);
197 clkdiv = (lbc->lcrr & 0x0f) * 2;
198 lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
200 gur->lbiuiplldcr1 = 0x00078080;
202 gur->lbiuiplldcr0 = 0x7c0f1bf0;
203 } else if (clkdiv == 8) {
204 gur->lbiuiplldcr0 = 0x6c0f1bf0;
205 } else if (clkdiv == 4) {
206 gur->lbiuiplldcr0 = 0x5c0f1bf0;
209 lbc->lcrr |= 0x00030000;
211 asm("sync;isync;msync");
215 * Initialize SDRAM memory on the Local Bus.
220 #if defined(CFG_OR2_PRELIM) && defined(CFG_BR2_PRELIM)
223 volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
224 uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE;
229 print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
232 * Setup SDRAM Base and Option Registers
234 lbc->or2 = CFG_OR2_PRELIM;
237 lbc->br2 = CFG_BR2_PRELIM;
240 lbc->lbcr = CFG_LBC_LBCR;
244 lbc->lsrt = CFG_LBC_LSRT;
245 lbc->mrtpr = CFG_LBC_MRTPR;
249 * MPC8568 uses "new" 15-16 style addressing.
251 lsdmr_common = CFG_LBC_LSDMR_COMMON;
252 lsdmr_common |= CFG_LBC_LSDMR_BSMA1516;
255 * Issue PRECHARGE ALL command.
257 lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_PCHALL;
260 ppcDcbf((unsigned long) sdram_addr);
264 * Issue 8 AUTO REFRESH commands.
266 for (idx = 0; idx < 8; idx++) {
267 lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_ARFRSH;
270 ppcDcbf((unsigned long) sdram_addr);
275 * Issue 8 MODE-set command.
277 lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_MRW;
280 ppcDcbf((unsigned long) sdram_addr);
284 * Issue NORMAL OP command.
286 lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_NORMAL;
289 ppcDcbf((unsigned long) sdram_addr);
290 udelay(200); /* Overkill. Must wait > 200 bus cycles */
292 #endif /* enable SDRAM init */
295 #if defined(CONFIG_PCI)
296 #ifndef CONFIG_PCI_PNP
297 static struct pci_config_table pci_mpc8568mds_config_table[] = {
299 PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
300 pci_cfgfunc_config_device,
303 PCI_COMMON_MEMORY | PCI_COMMAND_MASTER}
309 static struct pci_controller pci1_hose = {
310 #ifndef CONFIG_PCI_PNP
311 config_table: pci_mpc8568mds_config_table,
314 #endif /* CONFIG_PCI */
317 static struct pci_controller pcie1_hose;
318 #endif /* CONFIG_PCIE1 */
320 int first_free_busno = 0;
323 * pib_init() -- Initialize the PCA9555 IO expander on the PIB board
328 u8 val8, orig_i2c_bus;
330 * Assign PIB PMC2/3 to PCI bus
333 /*switch temporarily to I2C bus #2 */
334 orig_i2c_bus = i2c_get_bus_num();
338 i2c_write(0x23, 0x6, 1, &val8, 1);
339 i2c_write(0x23, 0x7, 1, &val8, 1);
341 i2c_write(0x23, 0x2, 1, &val8, 1);
342 i2c_write(0x23, 0x3, 1, &val8, 1);
345 i2c_write(0x26, 0x6, 1, &val8, 1);
347 i2c_write(0x26, 0x7, 1, &val8, 1);
349 i2c_write(0x26, 0x2, 1, &val8, 1);
351 i2c_write(0x26, 0x3, 1, &val8, 1);
354 i2c_write(0x27, 0x6, 1, &val8, 1);
355 i2c_write(0x27, 0x7, 1, &val8, 1);
357 i2c_write(0x27, 0x2, 1, &val8, 1);
359 i2c_write(0x27, 0x3, 1, &val8, 1);
368 volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
369 uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
370 uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
376 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
377 extern void fsl_pci_init(struct pci_controller *hose);
378 struct pci_controller *hose = &pci1_hose;
380 uint pci_32 = 1; /* PORDEVSR[15] */
381 uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */
382 uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */
384 uint pci_agent = (host_agent == 3) || (host_agent == 4 ) || (host_agent == 6);
386 uint pci_speed = 66666000;
388 if (!(gur->devdisr & MPC85xx_DEVDISR_PCI1)) {
389 printf (" PCI: %d bit, %s MHz, %s, %s, %s\n",
391 (pci_speed == 33333000) ? "33" :
392 (pci_speed == 66666000) ? "66" : "unknown",
393 pci_clk_sel ? "sync" : "async",
394 pci_agent ? "agent" : "host",
395 pci_arb ? "arbiter" : "external-arbiter"
399 pci_set_region(hose->regions + 0,
403 PCI_REGION_MEM | PCI_REGION_MEMORY);
405 /* outbound memory */
406 pci_set_region(hose->regions + 1,
413 pci_set_region(hose->regions + 2,
419 hose->region_count = 3;
421 hose->first_busno = first_free_busno;
422 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
425 first_free_busno = hose->last_busno+1;
426 printf ("PCI on bus %02x - %02x\n",hose->first_busno,hose->last_busno);
428 printf (" PCI: disabled\n");
432 gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
437 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE1_ADDR;
438 extern void fsl_pci_init(struct pci_controller *hose);
439 struct pci_controller *hose = &pcie1_hose;
440 int pcie_ep = (host_agent == 0) || (host_agent == 2 ) || (host_agent == 3);
442 int pcie_configured = io_sel >= 1;
444 if (pcie_configured && !(gur->devdisr & MPC85xx_DEVDISR_PCIE)){
445 printf ("\n PCIE connected to slot as %s (base address %x)",
446 pcie_ep ? "End Point" : "Root Complex",
449 if (pci->pme_msg_det) {
450 pci->pme_msg_det = 0xffffffff;
451 debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
456 pci_set_region(hose->regions + 0,
460 PCI_REGION_MEM | PCI_REGION_MEMORY);
462 /* outbound memory */
463 pci_set_region(hose->regions + 1,
470 pci_set_region(hose->regions + 2,
476 hose->region_count = 3;
478 hose->first_busno=first_free_busno;
479 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
482 printf ("PCIE on bus %02x - %02x\n",hose->first_busno,hose->last_busno);
484 first_free_busno=hose->last_busno+1;
487 printf (" PCIE: disabled\n");
491 gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
494 #endif /* CONFIG_PCI */
496 #if defined(CONFIG_OF_BOARD_SETUP)
498 ft_board_setup(void *blob, bd_t *bd)
503 ft_cpu_setup(blob, bd);
505 node = fdt_path_offset(blob, "/aliases");
509 path = fdt_getprop(blob, node, "pci0", NULL);
511 tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
512 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
516 path = fdt_getprop(blob, node, "pci1", NULL);
518 tmp[1] = pcie1_hose.last_busno - pcie1_hose.first_busno;
519 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);