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Commit | Line | Data |
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11c45ebd | 1 | /* |
bd42bbb8 PG |
2 | * Copyright 2007,2009 Wind River Systems, Inc. <www.windriver.com> |
3 | * | |
11c45ebd JH |
4 | * Copyright 2007 Embedded Specialties, Inc. |
5 | * | |
6 | * Copyright 2004, 2007 Freescale Semiconductor. | |
7 | * | |
8 | * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com> | |
9 | * | |
3765b3e7 | 10 | * SPDX-License-Identifier: GPL-2.0+ |
11c45ebd JH |
11 | */ |
12 | ||
13 | #include <common.h> | |
14 | #include <pci.h> | |
15 | #include <asm/processor.h> | |
16 | #include <asm/immap_85xx.h> | |
c8514622 | 17 | #include <asm/fsl_pci.h> |
5614e71b | 18 | #include <fsl_ddr_sdram.h> |
5d27e02c | 19 | #include <asm/fsl_serdes.h> |
a30a549a | 20 | #include <spd_sdram.h> |
94ca0914 PG |
21 | #include <netdev.h> |
22 | #include <tsec.h> | |
11c45ebd JH |
23 | #include <miiphy.h> |
24 | #include <libfdt.h> | |
25 | #include <fdt_support.h> | |
26 | ||
11c45ebd JH |
27 | DECLARE_GLOBAL_DATA_PTR; |
28 | ||
11c45ebd | 29 | void local_bus_init(void); |
11c45ebd JH |
30 | |
31 | int board_early_init_f (void) | |
32 | { | |
33 | return 0; | |
34 | } | |
35 | ||
36 | int checkboard (void) | |
37 | { | |
6d0f6bcf JCPV |
38 | volatile ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR); |
39 | volatile u_char *rev= (void *)CONFIG_SYS_BD_REV; | |
11c45ebd JH |
40 | |
41 | printf ("Board: Wind River SBC8548 Rev. 0x%01x\n", | |
0c7e4d45 | 42 | in_8(rev) >> 4); |
11c45ebd JH |
43 | |
44 | /* | |
45 | * Initialize local bus. | |
46 | */ | |
47 | local_bus_init (); | |
48 | ||
0c7e4d45 PG |
49 | out_be32(&ecm->eedr, 0xffffffff); /* clear ecm errors */ |
50 | out_be32(&ecm->eeer, 0xffffffff); /* enable ecm errors */ | |
11c45ebd JH |
51 | return 0; |
52 | } | |
53 | ||
11c45ebd JH |
54 | /* |
55 | * Initialize Local Bus | |
56 | */ | |
57 | void | |
58 | local_bus_init(void) | |
59 | { | |
6d0f6bcf | 60 | volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
f51cdaf1 | 61 | volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; |
11c45ebd | 62 | |
e2b363ff | 63 | uint clkdiv, lbc_mhz, lcrr = CONFIG_SYS_LBC_LCRR; |
11c45ebd JH |
64 | sys_info_t sysinfo; |
65 | ||
66 | get_sys_info(&sysinfo); | |
e2b363ff | 67 | |
997399fa PK |
68 | lbc_mhz = sysinfo.freq_localbus / 1000000; |
69 | clkdiv = sysinfo.freq_systembus / sysinfo.freq_localbus; | |
e2b363ff PG |
70 | |
71 | debug("LCRR=0x%x, CD=%d, MHz=%d\n", lcrr, clkdiv, lbc_mhz); | |
11c45ebd | 72 | |
0c7e4d45 | 73 | out_be32(&gur->lbiuiplldcr1, 0x00078080); |
11c45ebd | 74 | if (clkdiv == 16) { |
0c7e4d45 | 75 | out_be32(&gur->lbiuiplldcr0, 0x7c0f1bf0); |
11c45ebd | 76 | } else if (clkdiv == 8) { |
0c7e4d45 | 77 | out_be32(&gur->lbiuiplldcr0, 0x6c0f1bf0); |
11c45ebd | 78 | } else if (clkdiv == 4) { |
0c7e4d45 | 79 | out_be32(&gur->lbiuiplldcr0, 0x5c0f1bf0); |
11c45ebd JH |
80 | } |
81 | ||
e2b363ff PG |
82 | /* |
83 | * Local Bus Clock > 83.3 MHz. According to timing | |
84 | * specifications set LCRR[EADC] to 2 delay cycles. | |
85 | */ | |
86 | if (lbc_mhz > 83) { | |
87 | lcrr &= ~LCRR_EADC; | |
88 | lcrr |= LCRR_EADC_2; | |
89 | } | |
90 | ||
91 | /* | |
92 | * According to MPC8548ERMAD Rev. 1.3, 13.3.1.16, 13-30 | |
93 | * disable PLL bypass for Local Bus Clock > 83 MHz. | |
94 | */ | |
95 | if (lbc_mhz >= 66) | |
96 | lcrr &= (~LCRR_DBYP); /* DLL Enabled */ | |
97 | ||
98 | else | |
99 | lcrr |= LCRR_DBYP; /* DLL Bypass */ | |
11c45ebd | 100 | |
e2b363ff | 101 | out_be32(&lbc->lcrr, lcrr); |
11c45ebd JH |
102 | asm("sync;isync;msync"); |
103 | ||
e2b363ff PG |
104 | /* |
105 | * According to MPC8548ERMAD Rev.1.3 read back LCRR | |
106 | * and terminate with isync | |
107 | */ | |
108 | lcrr = in_be32(&lbc->lcrr); | |
109 | asm ("isync;"); | |
110 | ||
111 | /* let DLL stabilize */ | |
112 | udelay(500); | |
113 | ||
0c7e4d45 PG |
114 | out_be32(&lbc->ltesr, 0xffffffff); /* Clear LBC error IRQs */ |
115 | out_be32(&lbc->lteir, 0xffffffff); /* Enable LBC error IRQs */ | |
11c45ebd JH |
116 | } |
117 | ||
118 | /* | |
119 | * Initialize SDRAM memory on the Local Bus. | |
120 | */ | |
70961ba4 | 121 | void lbc_sdram_init(void) |
11c45ebd | 122 | { |
11d5a629 | 123 | #if defined(CONFIG_SYS_LBC_SDRAM_SIZE) |
11c45ebd JH |
124 | |
125 | uint idx; | |
5f4c6f0d | 126 | const unsigned long size = CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024; |
f51cdaf1 | 127 | volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; |
6d0f6bcf | 128 | uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE; |
5f4c6f0d | 129 | uint *sdram_addr2 = (uint *)(CONFIG_SYS_LBC_SDRAM_BASE + size/2); |
11c45ebd JH |
130 | |
131 | puts(" SDRAM: "); | |
132 | ||
5f4c6f0d | 133 | print_size(size, "\n"); |
11c45ebd JH |
134 | |
135 | /* | |
136 | * Setup SDRAM Base and Option Registers | |
137 | */ | |
f51cdaf1 BB |
138 | set_lbc_or(3, CONFIG_SYS_OR3_PRELIM); |
139 | set_lbc_br(3, CONFIG_SYS_BR3_PRELIM); | |
140 | set_lbc_or(4, CONFIG_SYS_OR4_PRELIM); | |
141 | set_lbc_br(4, CONFIG_SYS_BR4_PRELIM); | |
11d5a629 | 142 | |
0c7e4d45 | 143 | out_be32(&lbc->lbcr, CONFIG_SYS_LBC_LBCR); |
11c45ebd JH |
144 | asm("msync"); |
145 | ||
0c7e4d45 PG |
146 | out_be32(&lbc->lsrt, CONFIG_SYS_LBC_LSRT); |
147 | out_be32(&lbc->mrtpr, CONFIG_SYS_LBC_MRTPR); | |
11c45ebd JH |
148 | asm("msync"); |
149 | ||
11c45ebd JH |
150 | /* |
151 | * Issue PRECHARGE ALL command. | |
152 | */ | |
5f4c6f0d | 153 | out_be32(&lbc->lsdmr, CONFIG_SYS_LBC_LSDMR_PCHALL); |
11c45ebd JH |
154 | asm("sync;msync"); |
155 | *sdram_addr = 0xff; | |
156 | ppcDcbf((unsigned long) sdram_addr); | |
5f4c6f0d PG |
157 | *sdram_addr2 = 0xff; |
158 | ppcDcbf((unsigned long) sdram_addr2); | |
11c45ebd JH |
159 | udelay(100); |
160 | ||
161 | /* | |
162 | * Issue 8 AUTO REFRESH commands. | |
163 | */ | |
164 | for (idx = 0; idx < 8; idx++) { | |
5f4c6f0d | 165 | out_be32(&lbc->lsdmr, CONFIG_SYS_LBC_LSDMR_ARFRSH); |
11c45ebd JH |
166 | asm("sync;msync"); |
167 | *sdram_addr = 0xff; | |
168 | ppcDcbf((unsigned long) sdram_addr); | |
5f4c6f0d PG |
169 | *sdram_addr2 = 0xff; |
170 | ppcDcbf((unsigned long) sdram_addr2); | |
11c45ebd JH |
171 | udelay(100); |
172 | } | |
173 | ||
174 | /* | |
175 | * Issue 8 MODE-set command. | |
176 | */ | |
5f4c6f0d | 177 | out_be32(&lbc->lsdmr, CONFIG_SYS_LBC_LSDMR_MRW); |
11c45ebd JH |
178 | asm("sync;msync"); |
179 | *sdram_addr = 0xff; | |
180 | ppcDcbf((unsigned long) sdram_addr); | |
5f4c6f0d PG |
181 | *sdram_addr2 = 0xff; |
182 | ppcDcbf((unsigned long) sdram_addr2); | |
11c45ebd JH |
183 | udelay(100); |
184 | ||
185 | /* | |
5f4c6f0d | 186 | * Issue RFEN command. |
11c45ebd | 187 | */ |
5f4c6f0d | 188 | out_be32(&lbc->lsdmr, CONFIG_SYS_LBC_LSDMR_RFEN); |
11c45ebd JH |
189 | asm("sync;msync"); |
190 | *sdram_addr = 0xff; | |
191 | ppcDcbf((unsigned long) sdram_addr); | |
5f4c6f0d PG |
192 | *sdram_addr2 = 0xff; |
193 | ppcDcbf((unsigned long) sdram_addr2); | |
11c45ebd JH |
194 | udelay(200); /* Overkill. Must wait > 200 bus cycles */ |
195 | ||
196 | #endif /* enable SDRAM init */ | |
197 | } | |
198 | ||
6d0f6bcf | 199 | #if defined(CONFIG_SYS_DRAM_TEST) |
11c45ebd JH |
200 | int |
201 | testdram(void) | |
202 | { | |
6d0f6bcf JCPV |
203 | uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START; |
204 | uint *pend = (uint *) CONFIG_SYS_MEMTEST_END; | |
11c45ebd JH |
205 | uint *p; |
206 | ||
207 | printf("Testing DRAM from 0x%08x to 0x%08x\n", | |
6d0f6bcf JCPV |
208 | CONFIG_SYS_MEMTEST_START, |
209 | CONFIG_SYS_MEMTEST_END); | |
11c45ebd JH |
210 | |
211 | printf("DRAM test phase 1:\n"); | |
212 | for (p = pstart; p < pend; p++) | |
213 | *p = 0xaaaaaaaa; | |
214 | ||
215 | for (p = pstart; p < pend; p++) { | |
216 | if (*p != 0xaaaaaaaa) { | |
217 | printf ("DRAM test fails at: %08x\n", (uint) p); | |
218 | return 1; | |
219 | } | |
220 | } | |
221 | ||
222 | printf("DRAM test phase 2:\n"); | |
223 | for (p = pstart; p < pend; p++) | |
224 | *p = 0x55555555; | |
225 | ||
226 | for (p = pstart; p < pend; p++) { | |
227 | if (*p != 0x55555555) { | |
228 | printf ("DRAM test fails at: %08x\n", (uint) p); | |
229 | return 1; | |
230 | } | |
231 | } | |
232 | ||
233 | printf("DRAM test passed.\n"); | |
234 | return 0; | |
235 | } | |
236 | #endif | |
237 | ||
7b1f1399 PG |
238 | #ifdef CONFIG_PCI1 |
239 | static struct pci_controller pci1_hose; | |
240 | #endif /* CONFIG_PCI1 */ | |
11c45ebd | 241 | |
fdc7eb90 | 242 | #ifdef CONFIG_PCI |
11c45ebd JH |
243 | void |
244 | pci_init_board(void) | |
245 | { | |
6d0f6bcf | 246 | volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
fdc7eb90 | 247 | int first_free_busno = 0; |
fdc7eb90 PG |
248 | |
249 | #ifdef CONFIG_PCI1 | |
2d0a054d KG |
250 | struct fsl_pci_info pci_info; |
251 | u32 devdisr = in_be32(&gur->devdisr); | |
252 | u32 pordevsr = in_be32(&gur->pordevsr); | |
253 | u32 porpllsr = in_be32(&gur->porpllsr); | |
254 | ||
fdc7eb90 PG |
255 | if (!(devdisr & MPC85xx_DEVDISR_PCI1)) { |
256 | uint pci_32 = pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32; | |
257 | uint pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; | |
258 | uint pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; | |
259 | uint pci_speed = CONFIG_SYS_CLK_FREQ; /* get_clock_freq() */ | |
11c45ebd | 260 | |
8ca78f2c | 261 | printf("PCI: Host, %d bit, %s MHz, %s, %s\n", |
11c45ebd | 262 | (pci_32) ? 32 : 64, |
2c40acd3 PG |
263 | (pci_speed == 33000000) ? "33" : |
264 | (pci_speed == 66000000) ? "66" : "unknown", | |
11c45ebd | 265 | pci_clk_sel ? "sync" : "async", |
fdc7eb90 PG |
266 | pci_arb ? "arbiter" : "external-arbiter"); |
267 | ||
2d0a054d KG |
268 | SET_STD_PCI_INFO(pci_info, 1); |
269 | set_next_law(pci_info.mem_phys, | |
270 | law_size_bits(pci_info.mem_size), pci_info.law); | |
271 | set_next_law(pci_info.io_phys, | |
272 | law_size_bits(pci_info.io_size), pci_info.law); | |
273 | ||
274 | first_free_busno = fsl_pci_init_port(&pci_info, | |
01471d53 | 275 | &pci1_hose, first_free_busno); |
11c45ebd | 276 | } else { |
8ca78f2c | 277 | printf("PCI: disabled\n"); |
11c45ebd | 278 | } |
fdc7eb90 PG |
279 | |
280 | puts("\n"); | |
11c45ebd | 281 | #else |
fdc7eb90 | 282 | setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */ |
11c45ebd JH |
283 | #endif |
284 | ||
fdc7eb90 | 285 | setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI2); /* disable PCI2 */ |
11c45ebd | 286 | |
2d0a054d | 287 | fsl_pcie_init_board(first_free_busno); |
11c45ebd | 288 | } |
fdc7eb90 | 289 | #endif |
11c45ebd | 290 | |
94ca0914 PG |
291 | int board_eth_init(bd_t *bis) |
292 | { | |
293 | tsec_standard_init(bis); | |
294 | pci_eth_init(bis); | |
295 | return 0; /* otherwise cpu_eth_init gets run */ | |
296 | } | |
297 | ||
11c45ebd JH |
298 | int last_stage_init(void) |
299 | { | |
300 | return 0; | |
301 | } | |
302 | ||
303 | #if defined(CONFIG_OF_BOARD_SETUP) | |
2dba0dea KG |
304 | void ft_board_setup(void *blob, bd_t *bd) |
305 | { | |
306 | ft_cpu_setup(blob, bd); | |
6525d51f KG |
307 | |
308 | #ifdef CONFIG_FSL_PCI_INIT | |
309 | FT_FSL_PCI_SETUP; | |
11c45ebd JH |
310 | #endif |
311 | } | |
312 | #endif |