1 #include <common.h>
2 #include <asm/ppc4xx.h>
3 #include <asm/ppc405.h>
4 #include <asm/processor.h>
5 #include <asm/io.h>
6
7 #include <gdsys_fpga.h>
8
9 #include "405ex.h"
10
11 #define REFLECTION_TESTPATTERN 0xdede
12 #define REFLECTION_TESTPATTERN_INV (~REFLECTION_TESTPATTERN & 0xffff)
13
14 #ifdef CONFIG_SYS_FPGA_NO_RFL_HI
15 #define REFLECTION_TESTREG reflection_low
16 #else
17 #define REFLECTION_TESTREG reflection_high
18 #endif
19
20 DECLARE_GLOBAL_DATA_PTR;
21
get_fpga_state(unsigned dev)22 int get_fpga_state(unsigned dev)
23 {
24 return gd->arch.fpga_state[dev];
25 }
26
print_fpga_state(unsigned dev)27 void print_fpga_state(unsigned dev)
28 {
29 if (gd->arch.fpga_state[dev] & FPGA_STATE_DONE_FAILED)
30 puts(" Waiting for FPGA-DONE timed out.\n");
31 if (gd->arch.fpga_state[dev] & FPGA_STATE_REFLECTION_FAILED)
32 puts(" FPGA reflection test failed.\n");
33 }
34
board_early_init_f(void)35 int board_early_init_f(void)
36 {
37 u32 val;
38
39 /*--------------------------------------------------------------------+
40 | Interrupt controller setup
41 +--------------------------------------------------------------------+
42 +---------------------------------------------------------------------+
43 |Interrupt| Source | Pol. | Sensi.| Crit. |
44 +---------+-----------------------------------+-------+-------+-------+
45 | IRQ 00 | UART0 | High | Level | Non |
46 | IRQ 01 | UART1 | High | Level | Non |
47 | IRQ 02 | IIC0 | High | Level | Non |
48 | IRQ 03 | TBD | High | Level | Non |
49 | IRQ 04 | TBD | High | Level | Non |
50 | IRQ 05 | EBM | High | Level | Non |
51 | IRQ 06 | BGI | High | Level | Non |
52 | IRQ 07 | IIC1 | Rising| Edge | Non |
53 | IRQ 08 | SPI | High | Lvl/ed| Non |
54 | IRQ 09 | External IRQ 0 - (PCI-Express) | pgm H | Pgm | Non |
55 | IRQ 10 | MAL TX EOB | High | Level | Non |
56 | IRQ 11 | MAL RX EOB | High | Level | Non |
57 | IRQ 12 | DMA Channel 0 FIFO Full | High | Level | Non |
58 | IRQ 13 | DMA Channel 0 Stat FIFO | High | Level | Non |
59 | IRQ 14 | DMA Channel 1 FIFO Full | High | Level | Non |
60 | IRQ 15 | DMA Channel 1 Stat FIFO | High | Level | Non |
61 | IRQ 16 | PCIE0 AL | high | Level | Non |
62 | IRQ 17 | PCIE0 VPD access | rising| Edge | Non |
63 | IRQ 18 | PCIE0 hot reset request | rising| Edge | Non |
64 | IRQ 19 | PCIE0 hot reset request | faling| Edge | Non |
65 | IRQ 20 | PCIE0 TCR | High | Level | Non |
66 | IRQ 21 | PCIE0 MSI level0 | High | Level | Non |
67 | IRQ 22 | PCIE0 MSI level1 | High | Level | Non |
68 | IRQ 23 | Security EIP-94 | High | Level | Non |
69 | IRQ 24 | EMAC0 interrupt | High | Level | Non |
70 | IRQ 25 | EMAC1 interrupt | High | Level | Non |
71 | IRQ 26 | PCIE0 MSI level2 | High | Level | Non |
72 | IRQ 27 | External IRQ 4 | pgm H | Pgm | Non |
73 | IRQ 28 | UIC2 Non-critical Int. | High | Level | Non |
74 | IRQ 29 | UIC2 Critical Interrupt | High | Level | Crit. |
75 | IRQ 30 | UIC1 Non-critical Int. | High | Level | Non |
76 | IRQ 31 | UIC1 Critical Interrupt | High | Level | Crit. |
77 |----------------------------------------------------------------------
78 | IRQ 32 | MAL Serr | High | Level | Non |
79 | IRQ 33 | MAL Txde | High | Level | Non |
80 | IRQ 34 | MAL Rxde | High | Level | Non |
81 | IRQ 35 | PCIE0 bus master VC0 |falling| Edge | Non |
82 | IRQ 36 | PCIE0 DCR Error | High | Level | Non |
83 | IRQ 37 | EBC | High |Lvl Edg| Non |
84 | IRQ 38 | NDFC | High | Level | Non |
85 | IRQ 39 | GPT Compare Timer 8 | Risin | Edge | Non |
86 | IRQ 40 | GPT Compare Timer 9 | Risin | Edge | Non |
87 | IRQ 41 | PCIE1 AL | high | Level | Non |
88 | IRQ 42 | PCIE1 VPD access | rising| edge | Non |
89 | IRQ 43 | PCIE1 hot reset request | rising| Edge | Non |
90 | IRQ 44 | PCIE1 hot reset request | faling| Edge | Non |
91 | IRQ 45 | PCIE1 TCR | High | Level | Non |
92 | IRQ 46 | PCIE1 bus master VC0 |falling| Edge | Non |
93 | IRQ 47 | GPT Compare Timer 3 | Risin | Edge | Non |
94 | IRQ 48 | GPT Compare Timer 4 | Risin | Edge | Non |
95 | IRQ 49 | Ext. IRQ 7 |pgm/Fal|pgm/Lvl| Non |
96 | IRQ 50 | Ext. IRQ 8 - |pgm (H)|pgm/Lvl| Non |
97 | IRQ 51 | Ext. IRQ 9 |pgm (H)|pgm/Lvl| Non |
98 | IRQ 52 | GPT Compare Timer 5 | high | Edge | Non |
99 | IRQ 53 | GPT Compare Timer 6 | high | Edge | Non |
100 | IRQ 54 | GPT Compare Timer 7 | high | Edge | Non |
101 | IRQ 55 | Serial ROM | High | Level | Non |
102 | IRQ 56 | GPT Decrement Pulse | High | Level | Non |
103 | IRQ 57 | Ext. IRQ 2 |pgm/Fal|pgm/Lvl| Non |
104 | IRQ 58 | Ext. IRQ 5 |pgm/Fal|pgm/Lvl| Non |
105 | IRQ 59 | Ext. IRQ 6 |pgm/Fal|pgm/Lvl| Non |
106 | IRQ 60 | EMAC0 Wake-up | High | Level | Non |
107 | IRQ 61 | Ext. IRQ 1 |pgm/Fal|pgm/Lvl| Non |
108 | IRQ 62 | EMAC1 Wake-up | High | Level | Non |
109 |----------------------------------------------------------------------
110 | IRQ 64 | PE0 AL | High | Level | Non |
111 | IRQ 65 | PE0 VPD Access | Risin | Edge | Non |
112 | IRQ 66 | PE0 Hot Reset Request | Risin | Edge | Non |
113 | IRQ 67 | PE0 Hot Reset Request | Falli | Edge | Non |
114 | IRQ 68 | PE0 TCR | High | Level | Non |
115 | IRQ 69 | PE0 BusMaster VCO | Falli | Edge | Non |
116 | IRQ 70 | PE0 DCR Error | High | Level | Non |
117 | IRQ 71 | Reserved | N/A | N/A | Non |
118 | IRQ 72 | PE1 AL | High | Level | Non |
119 | IRQ 73 | PE1 VPD Access | Risin | Edge | Non |
120 | IRQ 74 | PE1 Hot Reset Request | Risin | Edge | Non |
121 | IRQ 75 | PE1 Hot Reset Request | Falli | Edge | Non |
122 | IRQ 76 | PE1 TCR | High | Level | Non |
123 | IRQ 77 | PE1 BusMaster VCO | Falli | Edge | Non |
124 | IRQ 78 | PE1 DCR Error | High | Level | Non |
125 | IRQ 79 | Reserved | N/A | N/A | Non |
126 | IRQ 80 | PE2 AL | High | Level | Non |
127 | IRQ 81 | PE2 VPD Access | Risin | Edge | Non |
128 | IRQ 82 | PE2 Hot Reset Request | Risin | Edge | Non |
129 | IRQ 83 | PE2 Hot Reset Request | Falli | Edge | Non |
130 | IRQ 84 | PE2 TCR | High | Level | Non |
131 | IRQ 85 | PE2 BusMaster VCO | Falli | Edge | Non |
132 | IRQ 86 | PE2 DCR Error | High | Level | Non |
133 | IRQ 87 | Reserved | N/A | N/A | Non |
134 | IRQ 88 | External IRQ(5) | Progr | Progr | Non |
135 | IRQ 89 | External IRQ 4 - Ethernet | Progr | Progr | Non |
136 | IRQ 90 | External IRQ 3 - PCI-X | Progr | Progr | Non |
137 | IRQ 91 | External IRQ 2 - PCI-X | Progr | Progr | Non |
138 | IRQ 92 | External IRQ 1 - PCI-X | Progr | Progr | Non |
139 | IRQ 93 | External IRQ 0 - PCI-X | Progr | Progr | Non |
140 | IRQ 94 | Reserved | N/A | N/A | Non |
141 | IRQ 95 | Reserved | N/A | N/A | Non |
142 |---------------------------------------------------------------------
143 +---------+-----------------------------------+-------+-------+------*/
144 /*--------------------------------------------------------------------+
145 | Initialise UIC registers. Clear all interrupts. Disable all
146 | interrupts.
147 | Set critical interrupt values. Set interrupt polarities. Set
148 | interrupt trigger levels. Make bit 0 High priority. Clear all
149 | interrupts again.
150 +-------------------------------------------------------------------*/
151
152 mtdcr(UIC2SR, 0xffffffff); /* Clear all interrupts */
153 mtdcr(UIC2ER, 0x00000000); /* disable all interrupts */
154 mtdcr(UIC2CR, 0x00000000); /* Set Critical / Non Critical interrupts */
155 mtdcr(UIC2PR, 0xf7ffffff); /* Set Interrupt Polarities */
156 mtdcr(UIC2TR, 0x01e1fff8); /* Set Interrupt Trigger Levels */
157 mtdcr(UIC2VR, 0x00000001); /* Set Vect base=0,INT31 Highest priority */
158 mtdcr(UIC2SR, 0x00000000); /* clear all interrupts */
159 mtdcr(UIC2SR, 0xffffffff); /* clear all interrupts */
160
161 mtdcr(UIC1SR, 0xffffffff); /* Clear all interrupts */
162 mtdcr(UIC1ER, 0x00000000); /* disable all interrupts */
163 mtdcr(UIC1CR, 0x00000000); /* Set Critical / Non Critical interrupts */
164 mtdcr(UIC1PR, 0xfffac785); /* Set Interrupt Polarities */
165 mtdcr(UIC1TR, 0x001d0040); /* Set Interrupt Trigger Levels */
166 mtdcr(UIC1VR, 0x00000001); /* Set Vect base=0,INT31 Highest priority */
167 mtdcr(UIC1SR, 0x00000000); /* clear all interrupts */
168 mtdcr(UIC1SR, 0xffffffff); /* clear all interrupts */
169
170 mtdcr(UIC0SR, 0xffffffff); /* Clear all interrupts */
171 mtdcr(UIC0ER, 0x0000000a); /* Disable all interrupts */
172 /* Except cascade UIC0 and UIC1 */
173 mtdcr(UIC0CR, 0x00000000); /* Set Critical / Non Critical interrupts */
174 mtdcr(UIC0PR, 0xffbfefef); /* Set Interrupt Polarities */
175 mtdcr(UIC0TR, 0x00007000); /* Set Interrupt Trigger Levels */
176 mtdcr(UIC0VR, 0x00000001); /* Set Vect base=0,INT31 Highest priority */
177 mtdcr(UIC0SR, 0x00000000); /* clear all interrupts */
178 mtdcr(UIC0SR, 0xffffffff); /* clear all interrupts */
179
180 /*
181 * Note: Some cores are still in reset when the chip starts, so
182 * take them out of reset
183 */
184 mtsdr(SDR0_SRST, 0);
185
186 /*
187 * Configure PFC (Pin Function Control) registers
188 */
189 val = SDR0_PFC1_GPT_FREQ;
190 mtsdr(SDR0_PFC1, val);
191
192 return 0;
193 }
194
board_early_init_r(void)195 int board_early_init_r(void)
196 {
197 unsigned k;
198 unsigned ctr;
199
200 for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k)
201 gd->arch.fpga_state[k] = 0;
202
203 /*
204 * reset FPGA
205 */
206 gd405ex_init();
207
208 gd405ex_set_fpga_reset(1);
209
210 gd405ex_setup_hw();
211
212 for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) {
213 ctr = 0;
214 while (!gd405ex_get_fpga_done(k)) {
215 udelay(100000);
216 if (ctr++ > 5) {
217 gd->arch.fpga_state[k] |=
218 FPGA_STATE_DONE_FAILED;
219 break;
220 }
221 }
222 }
223
224 udelay(10);
225
226 gd405ex_set_fpga_reset(0);
227
228 for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) {
229 /*
230 * wait for fpga out of reset
231 */
232 ctr = 0;
233 while (1) {
234 u16 val;
235
236 FPGA_SET_REG(k, reflection_low, REFLECTION_TESTPATTERN);
237
238 FPGA_GET_REG(k, REFLECTION_TESTREG, &val);
239 if (val == REFLECTION_TESTPATTERN_INV)
240 break;
241
242 udelay(100000);
243 if (ctr++ > 5) {
244 gd->arch.fpga_state[k] |=
245 FPGA_STATE_REFLECTION_FAILED;
246 break;
247 }
248 }
249 }
250
251 return 0;
252 }
253