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[people/ms/u-boot.git] / board / freescale / mpc8548cds / mpc8548cds.c
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d9b94f28 1/*
b813cbe9 2 * Copyright 2004, 2007, 2009-2011 Freescale Semiconductor, Inc.
d9b94f28
JL
3 *
4 * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
5 *
3765b3e7 6 * SPDX-License-Identifier: GPL-2.0+
d9b94f28
JL
7 */
8
9#include <common.h>
10#include <pci.h>
11#include <asm/processor.h>
e31d2c1e 12#include <asm/mmu.h>
d9b94f28 13#include <asm/immap_85xx.h>
c8514622 14#include <asm/fsl_pci.h>
5614e71b 15#include <fsl_ddr_sdram.h>
5d27e02c 16#include <asm/fsl_serdes.h>
09f3e09e 17#include <miiphy.h>
b90d2549
KG
18#include <libfdt.h>
19#include <fdt_support.h>
d3701228 20#include <tsec.h>
21#include <fsl_mdio.h>
22#include <netdev.h>
d9b94f28
JL
23
24#include "../common/cadmus.h"
25#include "../common/eeprom.h"
bf1dfffd 26#include "../common/via.h"
d9b94f28 27
d9b94f28 28void local_bus_init(void);
d9b94f28 29
d9b94f28
JL
30int checkboard (void)
31{
6d0f6bcf
JCPV
32 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
33 volatile ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR);
d9b94f28
JL
34
35 /* PCI slot in USER bits CSR[6:7] by convention. */
36 uint pci_slot = get_pci_slot ();
37
d9b94f28
JL
38 uint cpu_board_rev = get_cpu_board_revision ();
39
fff80975 40 puts("Board: MPC8548CDS");
41 printf(" Carrier Rev: 0x%02x, PCI Slot %d\n",
42 get_board_version(), pci_slot);
43 printf(" Daughtercard Rev: %d.%d (0x%04x)\n",
d9b94f28
JL
44 MPC85XX_CPU_BOARD_MAJOR (cpu_board_rev),
45 MPC85XX_CPU_BOARD_MINOR (cpu_board_rev), cpu_board_rev);
d9b94f28
JL
46 /*
47 * Initialize local bus.
48 */
49 local_bus_init ();
50
d9b94f28
JL
51 /*
52 * Hack TSEC 3 and 4 IO voltages.
53 */
54 gur->tsec34ioovcr = 0xe7e0; /* 1110 0111 1110 0xxx */
55
f2cff6b1
ES
56 ecm->eedr = 0xffffffff; /* clear ecm errors */
57 ecm->eeer = 0xffffffff; /* enable ecm errors */
d9b94f28
JL
58 return 0;
59}
60
d9b94f28
JL
61/*
62 * Initialize Local Bus
63 */
64void
65local_bus_init(void)
66{
6d0f6bcf 67 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
f51cdaf1 68 volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
d9b94f28
JL
69
70 uint clkdiv;
d9b94f28
JL
71 sys_info_t sysinfo;
72
73 get_sys_info(&sysinfo);
a5d212a2 74 clkdiv = (lbc->lcrr & LCRR_CLKDIV) * 2;
d9b94f28
JL
75
76 gur->lbiuiplldcr1 = 0x00078080;
77 if (clkdiv == 16) {
78 gur->lbiuiplldcr0 = 0x7c0f1bf0;
79 } else if (clkdiv == 8) {
80 gur->lbiuiplldcr0 = 0x6c0f1bf0;
81 } else if (clkdiv == 4) {
82 gur->lbiuiplldcr0 = 0x5c0f1bf0;
83 }
84
85 lbc->lcrr |= 0x00030000;
86
87 asm("sync;isync;msync");
f2cff6b1
ES
88
89 lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */
90 lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */
d9b94f28
JL
91}
92
93/*
94 * Initialize SDRAM memory on the Local Bus.
95 */
70961ba4 96void lbc_sdram_init(void)
d9b94f28 97{
6d0f6bcf 98#if defined(CONFIG_SYS_OR2_PRELIM) && defined(CONFIG_SYS_BR2_PRELIM)
d9b94f28
JL
99
100 uint idx;
f51cdaf1 101 volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
6d0f6bcf 102 uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE;
d9b94f28
JL
103 uint lsdmr_common;
104
7ea3871e
BB
105 puts("LBC SDRAM: ");
106 print_size(CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024,
a6d0bfa8 107 "\n");
d9b94f28
JL
108
109 /*
110 * Setup SDRAM Base and Option Registers
111 */
f51cdaf1
BB
112 set_lbc_or(2, CONFIG_SYS_OR2_PRELIM);
113 set_lbc_br(2, CONFIG_SYS_BR2_PRELIM);
6d0f6bcf 114 lbc->lbcr = CONFIG_SYS_LBC_LBCR;
d9b94f28
JL
115 asm("msync");
116
6d0f6bcf
JCPV
117 lbc->lsrt = CONFIG_SYS_LBC_LSRT;
118 lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
d9b94f28
JL
119 asm("msync");
120
121 /*
122 * MPC8548 uses "new" 15-16 style addressing.
123 */
6d0f6bcf 124 lsdmr_common = CONFIG_SYS_LBC_LSDMR_COMMON;
b0fe93ed 125 lsdmr_common |= LSDMR_BSMA1516;
d9b94f28
JL
126
127 /*
128 * Issue PRECHARGE ALL command.
129 */
b0fe93ed 130 lbc->lsdmr = lsdmr_common | LSDMR_OP_PCHALL;
d9b94f28
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131 asm("sync;msync");
132 *sdram_addr = 0xff;
133 ppcDcbf((unsigned long) sdram_addr);
134 udelay(100);
135
136 /*
137 * Issue 8 AUTO REFRESH commands.
138 */
139 for (idx = 0; idx < 8; idx++) {
b0fe93ed 140 lbc->lsdmr = lsdmr_common | LSDMR_OP_ARFRSH;
d9b94f28
JL
141 asm("sync;msync");
142 *sdram_addr = 0xff;
143 ppcDcbf((unsigned long) sdram_addr);
144 udelay(100);
145 }
146
147 /*
148 * Issue 8 MODE-set command.
149 */
b0fe93ed 150 lbc->lsdmr = lsdmr_common | LSDMR_OP_MRW;
d9b94f28
JL
151 asm("sync;msync");
152 *sdram_addr = 0xff;
153 ppcDcbf((unsigned long) sdram_addr);
154 udelay(100);
155
156 /*
157 * Issue NORMAL OP command.
158 */
b0fe93ed 159 lbc->lsdmr = lsdmr_common | LSDMR_OP_NORMAL;
d9b94f28
JL
160 asm("sync;msync");
161 *sdram_addr = 0xff;
162 ppcDcbf((unsigned long) sdram_addr);
163 udelay(200); /* Overkill. Must wait > 200 bus cycles */
164
165#endif /* enable SDRAM init */
166}
167
f2cff6b1 168#if defined(CONFIG_PCI) || defined(CONFIG_PCI1)
bf1dfffd
MM
169/* For some reason the Tundra PCI bridge shows up on itself as a
170 * different device. Work around that by refusing to configure it.
d9b94f28 171 */
bf1dfffd 172void dummy_func(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) { }
d9b94f28 173
d9b94f28 174static struct pci_config_table pci_mpc85xxcds_config_table[] = {
bf1dfffd 175 {0x10e3, 0x0513, PCI_ANY_ID, 1, 3, PCI_ANY_ID, dummy_func, {0,0,0}},
7f3f2bd2
RV
176 {0x1106, 0x0686, PCI_ANY_ID, 1, VIA_ID, 0, mpc85xx_config_via, {0,0,0}},
177 {0x1106, 0x0571, PCI_ANY_ID, 1, VIA_ID, 1,
ffa621a0 178 mpc85xx_config_via_usbide, {0,0,0}},
7f3f2bd2
RV
179 {0x1105, 0x3038, PCI_ANY_ID, 1, VIA_ID, 2,
180 mpc85xx_config_via_usb, {0,0,0}},
181 {0x1106, 0x3038, PCI_ANY_ID, 1, VIA_ID, 3,
182 mpc85xx_config_via_usb2, {0,0,0}},
183 {0x1106, 0x3058, PCI_ANY_ID, 1, VIA_ID, 5,
ffa621a0 184 mpc85xx_config_via_power, {0,0,0}},
7f3f2bd2
RV
185 {0x1106, 0x3068, PCI_ANY_ID, 1, VIA_ID, 6,
186 mpc85xx_config_via_ac97, {0,0,0}},
ffa621a0 187 {},
d9b94f28 188};
d9b94f28 189
b813cbe9 190static struct pci_controller pci1_hose;
d9b94f28
JL
191#endif /* CONFIG_PCI */
192
7b626880 193void pci_init_board(void)
d9b94f28 194{
6d0f6bcf 195 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
f5fa8f36 196 struct fsl_pci_info pci_info;
7b626880
KG
197 u32 devdisr, pordevsr, io_sel;
198 u32 porpllsr, pci_agent, pci_speed, pci_32, pci_arb, pci_clk_sel;
199 int first_free_busno = 0;
568336ec 200 char buf[32];
f2cff6b1 201
7b626880
KG
202 devdisr = in_be32(&gur->devdisr);
203 pordevsr = in_be32(&gur->pordevsr);
204 porpllsr = in_be32(&gur->porpllsr);
205 io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
f2cff6b1 206
7b626880 207 debug (" pci_init_board: devdisr=%x, io_sel=%x\n", devdisr, io_sel);
f2cff6b1 208
7b626880
KG
209#ifdef CONFIG_PCI1
210 pci_speed = get_clock_freq (); /* PCI PSPEED in [4:5] */
211 pci_32 = pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32; /* PORDEVSR[15] */
212 pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;
213 pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;
214
215 if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
f5fa8f36
KG
216 SET_STD_PCI_INFO(pci_info, 1);
217 set_next_law(pci_info.mem_phys,
218 law_size_bits(pci_info.mem_size), pci_info.law);
219 set_next_law(pci_info.io_phys,
220 law_size_bits(pci_info.io_size), pci_info.law);
221
222 pci_agent = fsl_setup_hose(&pci1_hose, pci_info.regs);
a6d0bfa8 223 printf("PCI1: %d bit, %s MHz, %s, %s, %s (base address %lx)\n",
f2cff6b1 224 (pci_32) ? 32 : 64,
568336ec 225 strmhz(buf, pci_speed),
f2cff6b1
ES
226 pci_clk_sel ? "sync" : "async",
227 pci_agent ? "agent" : "host",
7b626880 228 pci_arb ? "arbiter" : "external-arbiter",
f5fa8f36 229 pci_info.regs);
7b626880 230
b813cbe9 231 pci1_hose.config_table = pci_mpc85xxcds_config_table;
f5fa8f36 232 first_free_busno = fsl_pci_init_port(&pci_info,
7b626880
KG
233 &pci1_hose, first_free_busno);
234
f2cff6b1 235#ifdef CONFIG_PCIX_CHECK
7b626880 236 if (!(pordevsr & MPC85xx_PORDEVSR_PCI1)) {
f2cff6b1
ES
237 /* PCI-X init */
238 if (CONFIG_SYS_CLK_FREQ < 66000000)
239 printf("PCI-X will only work at 66 MHz\n");
240
241 reg16 = PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ
242 | PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E;
243 pci_hose_write_config_word(hose, bus, PCIX_COMMAND, reg16);
244 }
d9b94f28 245#endif
f2cff6b1 246 } else {
a6d0bfa8 247 printf("PCI1: disabled\n");
f2cff6b1 248 }
7b626880
KG
249
250 puts("\n");
f2cff6b1 251#else
7b626880 252 setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */
f2cff6b1
ES
253#endif
254
255#ifdef CONFIG_PCI2
256{
7b626880 257 uint pci2_clk_sel = porpllsr & 0x4000; /* PORPLLSR[17] */
f2cff6b1
ES
258 uint pci_dual = get_pci_dual (); /* PCI DUAL in CM_PCI[3] */
259 if (pci_dual) {
8ca78f2c 260 printf("PCI2: 32 bit, 66 MHz, %s\n",
f2cff6b1
ES
261 pci2_clk_sel ? "sync" : "async");
262 } else {
8ca78f2c 263 printf("PCI2: disabled\n");
f2cff6b1
ES
264 }
265}
266#else
7b626880 267 setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI2); /* disable */
f2cff6b1
ES
268#endif /* CONFIG_PCI2 */
269
f5fa8f36 270 fsl_pcie_init_board(first_free_busno);
d9b94f28 271}
09f3e09e 272
d3701228 273void configure_rgmii(void)
09f3e09e 274{
f5012827 275 unsigned short temp;
09f3e09e
AF
276
277 /* Change the resistors for the PHY */
278 /* This is needed to get the RGMII working for the 1.3+
279 * CDS cards */
280 if (get_board_version() == 0x13) {
d3701228 281 miiphy_write(DEFAULT_MII_NAME,
09f3e09e
AF
282 TSEC1_PHY_ADDR, 29, 18);
283
d3701228 284 miiphy_read(DEFAULT_MII_NAME,
09f3e09e
AF
285 TSEC1_PHY_ADDR, 30, &temp);
286
287 temp = (temp & 0xf03f);
288 temp |= 2 << 9; /* 36 ohm */
289 temp |= 2 << 6; /* 39 ohm */
290
d3701228 291 miiphy_write(DEFAULT_MII_NAME,
09f3e09e
AF
292 TSEC1_PHY_ADDR, 30, temp);
293
d3701228 294 miiphy_write(DEFAULT_MII_NAME,
09f3e09e
AF
295 TSEC1_PHY_ADDR, 29, 3);
296
d3701228 297 miiphy_write(DEFAULT_MII_NAME,
09f3e09e
AF
298 TSEC1_PHY_ADDR, 30, 0x8000);
299 }
300
d3701228 301 return;
09f3e09e 302}
f2cff6b1 303
d3701228 304#ifdef CONFIG_TSEC_ENET
305int board_eth_init(bd_t *bis)
306{
307 struct fsl_pq_mdio_info mdio_info;
308 struct tsec_info_struct tsec_info[4];
309 int num = 0;
310
311#ifdef CONFIG_TSEC1
312 SET_STD_TSEC_INFO(tsec_info[num], 1);
313 num++;
314#endif
315#ifdef CONFIG_TSEC2
316 SET_STD_TSEC_INFO(tsec_info[num], 2);
317 num++;
318#endif
319#ifdef CONFIG_TSEC3
320 /* initialize TSEC3 only if Carrier is 1.3 or above on CDS */
321 if (get_board_version() >= 0x13) {
322 SET_STD_TSEC_INFO(tsec_info[num], 3);
323 tsec_info[num].interface = PHY_INTERFACE_MODE_RGMII_ID;
324 num++;
325 }
326#endif
327#ifdef CONFIG_TSEC4
328 /* initialize TSEC4 only if Carrier is 1.3 or above on CDS */
329 if (get_board_version() >= 0x13) {
330 SET_STD_TSEC_INFO(tsec_info[num], 4);
331 tsec_info[num].interface = PHY_INTERFACE_MODE_RGMII_ID;
332 num++;
333 }
334#endif
335
336 if (!num) {
337 printf("No TSECs initialized\n");
338
339 return 0;
340 }
341
342 mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
343 mdio_info.name = DEFAULT_MII_NAME;
344 fsl_pq_mdio_init(bis, &mdio_info);
345
346 tsec_eth_init(bis, tsec_info, num);
347 configure_rgmii();
348
349 return pci_eth_init(bis);
350}
351#endif
f2cff6b1 352
b90d2549 353#if defined(CONFIG_OF_BOARD_SETUP)
2dba0dea
KG
354void ft_pci_setup(void *blob, bd_t *bd)
355{
6525d51f 356 FT_FSL_PCI_SETUP;
f2cff6b1
ES
357}
358#endif