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ba91e26a WD |
1 | /* |
2 | * (C) Copyright 2004 | |
3 | * Elmeg Communications Systems GmbH, Juergen Selent ([email protected]) | |
4 | * | |
5 | * Support for the Elmeg VoVPN Gateway Module | |
6 | * | |
1a459660 | 7 | * SPDX-License-Identifier: GPL-2.0+ |
ba91e26a WD |
8 | */ |
9 | ||
10 | #include <common.h> | |
11 | #include <ioports.h> | |
12 | #include <mpc8260.h> | |
13 | #include <asm/m8260_pci.h> | |
14 | #include <miiphy.h> | |
7aeda21a | 15 | #include <linux/compiler.h> |
ba91e26a WD |
16 | |
17 | #include "m88e6060.h" | |
18 | ||
19 | /* | |
20 | * I/O Port configuration table | |
21 | * | |
22 | * if conf is 1, then that port pin will be configured at boot time | |
23 | * according to the five values podr/pdir/ppar/psor/pdat for that entry | |
24 | */ | |
25 | ||
26 | const iop_conf_t iop_conf_tab[4][32] = { | |
27 | /* Port A configuration */ | |
28 | { /* conf ppar psor pdir podr pdat */ | |
29 | /* PA31 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1252 */ | |
30 | /* PA30 */ { 1, 0, 0, 0, 0, 0 }, /* GPI BP_RES */ | |
31 | /* PA29 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1253 */ | |
32 | /* PA28 */ { 1, 1, 1, 1, 0, 0 }, /* FCC1 RMII TX_EN */ | |
33 | /* PA27 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 RMII CRS_DV */ | |
34 | /* PA26 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 RMII RX_ERR */ | |
35 | /* PA25 */ { 1, 0, 0, 0, 0, 0 }, /* GPI HWID */ | |
36 | /* PA24 */ { 1, 0, 0, 0, 0, 0 }, /* GPI HWID */ | |
37 | /* PA23 */ { 1, 0, 0, 0, 0, 0 }, /* GPI HWID */ | |
38 | /* PA22 */ { 1, 0, 0, 0, 0, 0 }, /* GPI HWID */ | |
39 | /* PA21 */ { 1, 0, 0, 0, 0, 0 }, /* GPI HWID */ | |
40 | /* PA20 */ { 1, 0, 0, 1, 0, 1 }, /* GPO LED STATUS */ | |
41 | /* PA19 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 RMII TxD[1] */ | |
42 | /* PA18 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 RMII TxD[0] */ | |
43 | /* PA17 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 RMII RxD[0] */ | |
44 | /* PA16 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 RMII RxD[1] */ | |
45 | /* PA15 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1255 */ | |
46 | /* PA14 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP???? */ | |
47 | /* PA13 */ { 1, 0, 0, 1, 0, 1 }, /* GPO EN_BCTL1 XXX jse */ | |
48 | /* PA12 */ { 1, 0, 0, 1, 0, 0 }, /* GPO SWITCH RESET */ | |
49 | /* PA11 */ { 1, 0, 0, 1, 0, 0 }, /* GPO DSP SL1 RESET */ | |
50 | /* PA10 */ { 1, 0, 0, 1, 0, 0 }, /* GPO DSP SL2 RESET */ | |
51 | /* PA9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC2 TXD */ | |
52 | /* PA8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC2 RXD */ | |
53 | /* PA7 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exit */ | |
54 | /* PA6 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exit */ | |
55 | /* PA5 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exit */ | |
56 | /* PA4 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exit */ | |
57 | /* PA3 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exit */ | |
58 | /* PA2 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exit */ | |
59 | /* PA1 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exit */ | |
60 | /* PA0 */ { 0, 0, 0, 0, 0, 0 } /* pin does not exit */ | |
61 | }, | |
62 | ||
63 | /* Port B configuration */ | |
64 | { /* conf ppar psor pdir podr pdat */ | |
65 | /* PB31 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1257 */ | |
66 | /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 RMII CRS_DV */ | |
67 | /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 RMII TX_EN */ | |
68 | /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 RMII RX_ERR */ | |
69 | /* PB27 */ { 1, 1, 1, 0, 1, 0 }, /* TDM_B2 L1TXD XXX val=0 */ | |
70 | /* PB26 */ { 1, 1, 1, 0, 1, 0 }, /* TDM_B2 L1RXD XXX val,dr */ | |
71 | /* PB25 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1259 */ | |
72 | /* PB24 */ { 1, 1, 1, 0, 0, 0 }, /* TDM_B2 L1RSYNC */ | |
73 | /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 RMII TxD[1] */ | |
74 | /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 RMII TxD[0] */ | |
75 | /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 RMII RxD[0] */ | |
76 | /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 RMII RxD[1] */ | |
77 | /* PB19 */ { 1, 0, 0, 1, 0, 1 }, /* GPO PHY MDC */ | |
78 | /* PB18 */ { 1, 0, 0, 0, 0, 0 }, /* GPIO PHY MDIO */ | |
79 | /* PB17 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
80 | /* PB16 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
81 | /* PB15 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
82 | /* PB14 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
83 | /* PB13 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
84 | /* PB12 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
85 | /* PB11 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
86 | /* PB10 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
87 | /* PB9 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
88 | /* PB8 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
89 | /* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
90 | /* PB6 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
91 | /* PB5 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
92 | /* PB4 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
93 | /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
94 | /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
95 | /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
96 | /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin does not exist */ | |
97 | }, | |
98 | ||
99 | /* Port C */ | |
100 | { /* conf ppar psor pdir podr pdat */ | |
101 | /* PC31 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
102 | /* PC30 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
103 | /* PC29 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1183 */ | |
104 | /* PC28 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1184 */ | |
105 | /* PC27 */ { 1, 1, 0, 0, 0, 0 }, /* CLK5 TDM_A1 RX */ | |
106 | /* PC26 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1185 */ | |
107 | /* PC25 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1178 */ | |
108 | /* PC24 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1186 */ | |
109 | /* PC23 */ { 1, 1, 0, 0, 0, 0 }, /* CLK9 TDM_B2 RX */ | |
110 | /* PC22 */ { 1, 1, 0, 0, 0, 0 }, /* CLK10 FCC1 RMII REFCLK */ | |
111 | /* PC21 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1187 */ | |
112 | /* PC20 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1182 */ | |
113 | /* PC19 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1188 */ | |
114 | /* PC18 */ { 1, 0, 0, 1, 0, 0 }, /* GPO HW RESET */ | |
115 | /* PC17 */ { 1, 1, 0, 1, 0, 0 }, /* BRG8 SWITCH CLKIN */ | |
116 | /* PC16 */ { 1, 1, 0, 0, 0, 0 }, /* CLK16 FCC2 RMII REFCLK */ | |
117 | /* PC15 */ { 1, 0, 0, 0, 0, 0 }, /* GPI SL1_MTYPE_3 */ | |
118 | /* PC14 */ { 1, 0, 0, 0, 0, 0 }, /* GPI SL1_MTYPE_2 */ | |
119 | /* PC13 */ { 1, 0, 0, 0, 0, 0 }, /* GPI SL1_MTYPE_1 */ | |
120 | /* PC12 */ { 1, 0, 0, 0, 0, 0 }, /* GPI SL1_MTYPE_0 */ | |
121 | /* PC11 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1176 */ | |
122 | /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1177 */ | |
123 | /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* GPI SL2_MTYPE_3 */ | |
124 | /* PC8 */ { 1, 0, 0, 0, 0, 0 }, /* GPI SL2_MTYPE_2 */ | |
125 | /* PC7 */ { 1, 0, 0, 0, 0, 0 }, /* GPI SL2_MTYPE_1 */ | |
126 | /* PC6 */ { 1, 0, 0, 0, 0, 0 }, /* GPI SL2_MTYPE_0 */ | |
127 | /* PC5 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TXD */ | |
128 | /* PC4 */ { 1, 1, 0, 0, 0, 0 }, /* SMC1 RXD */ | |
129 | /* PC3 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
130 | /* PC2 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
131 | /* PC1 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1192 */ | |
132 | /* PC0 */ { 1, 0, 0, 0, 0, 0 }, /* GPI RACK */ | |
133 | }, | |
134 | ||
135 | /* Port D */ | |
136 | { /* conf ppar psor pdir podr pdat */ | |
137 | /* PD31 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1193 */ | |
138 | /* PD30 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1194 */ | |
139 | /* PD29 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1195 */ | |
140 | /* PD28 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
141 | /* PD27 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
142 | /* PD26 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
143 | /* PD25 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1179 */ | |
144 | /* PD24 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1180 */ | |
145 | /* PD23 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1181 */ | |
146 | /* PD22 */ { 1, 1, 1, 0, 1, 0 }, /* TDM_A2 L1TXD */ | |
147 | /* PD21 */ { 1, 1, 1, 0, 1, 0 }, /* TDM_A2 L1RXD */ | |
148 | /* PD20 */ { 1, 1, 1, 0, 0, 0 }, /* TDM_A2 L1RSYNC */ | |
149 | /* PD19 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1196 */ | |
150 | /* PD18 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1197 */ | |
151 | /* PD17 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1198 */ | |
152 | /* PD16 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1199 */ | |
153 | /* PD15 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1250 */ | |
154 | /* PD14 */ { 1, 0, 0, 1, 0, 0 }, /* GPO TP1251 */ | |
155 | /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
156 | /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
157 | /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
158 | /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
159 | /* PD9 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
160 | /* PD8 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
161 | /* PD7 */ { 0, 0, 0, 1, 0, 0 }, /* GPO FL_BYTE */ | |
162 | /* PD6 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
163 | /* PD5 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
164 | /* PD4 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
165 | /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
166 | /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
167 | /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin does not exist */ | |
168 | /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin does not exist */ | |
169 | } | |
170 | }; | |
171 | ||
172 | void reset_phy (void) | |
173 | { | |
174 | volatile ioport_t *iop; | |
c508a4ce | 175 | #if defined(CONFIG_CMD_NET) |
ba91e26a WD |
176 | int i; |
177 | unsigned short val; | |
178 | #endif | |
179 | ||
6d0f6bcf | 180 | iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, 0); |
ba91e26a WD |
181 | |
182 | /* Reset the PHY */ | |
183 | iop->pdat &= 0xfff7ffff; /* PA12 = |SWITCH_RESET */ | |
c508a4ce | 184 | #if defined(CONFIG_CMD_NET) |
ba91e26a WD |
185 | udelay(20000); |
186 | iop->pdat |= 0x00080000; | |
187 | for (i=0; i<100; i++) { | |
188 | udelay(20000); | |
48690d80 | 189 | if (bb_miiphy_read("FCC1", CONFIG_SYS_PHY_ADDR,2,&val ) == 0) { |
ba91e26a WD |
190 | break; |
191 | } | |
192 | } | |
193 | /* initialize switch */ | |
6d0f6bcf | 194 | m88e6060_initialize( CONFIG_SYS_PHY_ADDR ); |
ba91e26a WD |
195 | #endif |
196 | } | |
197 | ||
198 | static unsigned long UPMATable[] = { | |
095b8a37 WD |
199 | 0x8fffec00, 0x0ffcfc00, 0x0ffcfc00, 0x0ffcfc00, /* Words 0 to 3 */ |
200 | 0x0ffcfc04, 0x3ffdfc00, 0xfffffc01, 0xfffffc01, /* Words 4 to 7 */ | |
201 | 0xfffffc00, 0xfffffc04, 0xfffffc01, 0xfffffc00, /* Words 8 to 11 */ | |
202 | 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, /* Words 12 to 15 */ | |
203 | 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, /* Words 16 to 19 */ | |
204 | 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, /* Words 20 to 23 */ | |
205 | 0x8fffec00, 0x00fffc00, 0x00fffc00, 0x00fffc00, /* Words 24 to 27 */ | |
206 | 0x0ffffc04, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 28 to 31 */ | |
207 | 0xfffffc00, 0xfffffc01, 0xfffffc01, 0xfffffc00, /* Words 32 to 35 */ | |
208 | 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, /* Words 36 to 39 */ | |
209 | 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, /* Words 40 to 43 */ | |
210 | 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, /* Words 44 to 47 */ | |
211 | 0xfffffc00, 0xfffffc04, 0xfffffc01, 0xfffffc00, /* Words 48 to 51 */ | |
212 | 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, /* Words 52 to 55 */ | |
213 | 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, /* Words 56 to 59 */ | |
214 | 0xffffec00, 0xffffec04, 0xffffec00, 0xfffffc01 /* Words 60 to 63 */ | |
ba91e26a WD |
215 | }; |
216 | ||
217 | int board_early_init_f (void) | |
218 | { | |
219 | volatile immap_t *immap; | |
220 | volatile memctl8260_t *memctl; | |
221 | volatile unsigned char *dummy; | |
222 | int i; | |
223 | ||
6d0f6bcf | 224 | immap = (immap_t *) CONFIG_SYS_IMMR; |
ba91e26a WD |
225 | memctl = &immap->im_memctl; |
226 | ||
227 | #if 0 | |
228 | /* CS2-5 - DSP via UPMA */ | |
229 | dummy = (volatile unsigned char *) (memctl->memc_br2 & BRx_BA_MSK); | |
230 | memctl->memc_mar = 0; | |
231 | memctl->memc_mamr = MxMR_OP_WARR; | |
232 | for (i = 0; i < 64; i++) { | |
233 | memctl->memc_mdr = UPMATable[i]; | |
234 | *dummy = 0; | |
235 | } | |
236 | memctl->memc_mamr = 0x00044440; | |
237 | #else | |
238 | /* CS7 - DPRAM via UPMA */ | |
239 | dummy = (volatile unsigned char *) (memctl->memc_br7 & BRx_BA_MSK); | |
240 | memctl->memc_mar = 0; | |
241 | memctl->memc_mamr = MxMR_OP_WARR; | |
242 | for (i = 0; i < 64; i++) { | |
243 | memctl->memc_mdr = UPMATable[i]; | |
244 | *dummy = 0; | |
245 | } | |
246 | memctl->memc_mamr = 0x00044440; | |
247 | #endif | |
248 | return 0; | |
249 | } | |
250 | ||
251 | int misc_init_r (void) | |
252 | { | |
253 | volatile ioport_t *iop; | |
7aeda21a | 254 | __maybe_unused unsigned char temp; |
ba91e26a WD |
255 | #if 0 |
256 | /* DUMP UPMA RAM */ | |
257 | volatile immap_t *immap; | |
258 | volatile memctl8260_t *memctl; | |
259 | volatile unsigned char *dummy; | |
260 | unsigned char c; | |
261 | int i; | |
262 | ||
6d0f6bcf | 263 | immap = (immap_t *) CONFIG_SYS_IMMR; |
ba91e26a WD |
264 | memctl = &immap->im_memctl; |
265 | ||
266 | ||
267 | dummy = (volatile unsigned char *) (memctl->memc_br7 & BRx_BA_MSK); | |
268 | memctl->memc_mar = 0; | |
269 | memctl->memc_mamr = MxMR_OP_RARR; | |
270 | for (i = 0; i < 64; i++) { | |
271 | c = *dummy; | |
272 | printf( "UPMA[%02d]: 0x%08lx,0x%08lx: 0x%08lx\n",i, | |
93e14596 WD |
273 | memctl->memc_mamr, |
274 | memctl->memc_mar, | |
275 | memctl->memc_mdr ); | |
ba91e26a WD |
276 | } |
277 | memctl->memc_mamr = 0x00044440; | |
278 | #endif | |
279 | /* enable buffers (DSP, DPRAM) */ | |
6d0f6bcf | 280 | iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, 0); |
ba91e26a WD |
281 | iop->pdat &= 0xfffbffff; /* PA13 = |EN_M_BCTL1 */ |
282 | ||
283 | /* destroy DPRAM magic */ | |
284 | *(volatile unsigned char *)0xf0500000 = 0x00; | |
285 | ||
286 | /* clear any pending DPRAM irq */ | |
287 | temp = *(volatile unsigned char *)0xf05003ff; | |
288 | ||
289 | /* write module-id into DPRAM */ | |
290 | *(volatile unsigned char *)0xf0500201 = 0x50; | |
291 | ||
292 | return 0; | |
293 | } | |
294 | ||
295 | #if defined(CONFIG_HAVE_OWN_RESET) | |
296 | int | |
882b7d72 | 297 | do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
ba91e26a WD |
298 | { |
299 | volatile ioport_t *iop; | |
300 | ||
6d0f6bcf | 301 | iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, 2); |
ba91e26a WD |
302 | iop->pdat |= 0x00002000; /* PC18 = HW_RESET */ |
303 | return 1; | |
304 | } | |
305 | #endif /* CONFIG_HAVE_OWN_RESET */ | |
306 | ||
307 | #define ns2clk(ns) (ns / (1000000000 / CONFIG_8260_CLKIN) + 1) | |
308 | ||
9973e3c6 | 309 | phys_size_t initdram (int board_type) |
ba91e26a | 310 | { |
6d0f6bcf | 311 | #ifndef CONFIG_SYS_RAMBOOT |
ba91e26a WD |
312 | volatile immap_t *immap; |
313 | volatile memctl8260_t *memctl; | |
314 | volatile uchar *ramaddr; | |
315 | int i; | |
316 | uchar c; | |
317 | ||
6d0f6bcf | 318 | immap = (immap_t *) CONFIG_SYS_IMMR; |
ba91e26a | 319 | memctl = &immap->im_memctl; |
6d0f6bcf | 320 | ramaddr = (uchar *) CONFIG_SYS_SDRAM_BASE; |
ba91e26a WD |
321 | c = 0xff; |
322 | ||
323 | immap->im_siu_conf.sc_ppc_acr = 0x02; | |
324 | immap->im_siu_conf.sc_ppc_alrh = 0x01267893; | |
325 | immap->im_siu_conf.sc_ppc_alrl = 0x89abcdef; | |
326 | immap->im_siu_conf.sc_tescr1 = 0x00000000; | |
327 | immap->im_siu_conf.sc_tescr2 = 0x00000000; | |
328 | ||
6d0f6bcf JCPV |
329 | memctl->memc_mptpr = CONFIG_SYS_MPTPR; |
330 | memctl->memc_psrt = CONFIG_SYS_PSRT; | |
331 | memctl->memc_or1 = CONFIG_SYS_OR1_PRELIM; | |
332 | memctl->memc_br1 = CONFIG_SYS_SDRAM_BASE | CONFIG_SYS_BR1_PRELIM; | |
ba91e26a WD |
333 | |
334 | /* Precharge all banks */ | |
6d0f6bcf | 335 | memctl->memc_psdmr = CONFIG_SYS_PSDMR | 0x28000000; |
ba91e26a WD |
336 | *ramaddr = c; |
337 | ||
338 | /* CBR refresh */ | |
6d0f6bcf | 339 | memctl->memc_psdmr = CONFIG_SYS_PSDMR | 0x08000000; |
ba91e26a WD |
340 | for (i = 0; i < 8; i++) |
341 | *ramaddr = c; | |
342 | ||
343 | /* Mode Register write */ | |
6d0f6bcf | 344 | memctl->memc_psdmr = CONFIG_SYS_PSDMR | 0x18000000; |
ba91e26a WD |
345 | *ramaddr = c; |
346 | ||
347 | /* Refresh enable */ | |
6d0f6bcf | 348 | memctl->memc_psdmr = CONFIG_SYS_PSDMR | 0x40000000; |
ba91e26a | 349 | *ramaddr = c; |
6d0f6bcf | 350 | #endif /* CONFIG_SYS_RAMBOOT */ |
ba91e26a | 351 | |
6d0f6bcf | 352 | return (CONFIG_SYS_SDRAM_SIZE); |
ba91e26a WD |
353 | } |
354 | ||
355 | int checkboard (void) | |
356 | { | |
357 | #ifdef CONFIG_CLKIN_66MHz | |
358 | puts ("Board: Elmeg VoVPN Gateway Module (66MHz)\n"); | |
359 | #else | |
360 | puts ("Board: Elmeg VoVPN Gateway Module (100MHz)\n"); | |
361 | #endif | |
362 | return 0; | |
363 | } |