39 |
#define EEPROM_NM_CLK 2 |
#define EEPROM_NM_CLK 2 |
40 |
#define EEPROM_NM_CS 4 |
#define EEPROM_NM_CS 4 |
41 |
|
|
42 |
|
#define C3600_NET_IRQ_CLEARING_DELAY 16 |
43 |
|
|
44 |
/* IO FPGA structure */ |
/* IO FPGA structure */ |
45 |
struct iofpga_data { |
struct iofpga_data { |
46 |
vm_obj_t vm_obj; |
vm_obj_t vm_obj; |
47 |
struct vdevice dev; |
struct vdevice dev; |
48 |
c3600_t *router; |
c3600_t *router; |
49 |
|
|
50 |
|
/* |
51 |
|
* Used to introduce a "delay" before clearing the network interrupt |
52 |
|
* on 3620/3640 platforms. Added due to a packet loss when using an |
53 |
|
* Ethernet NM on these platforms. |
54 |
|
* |
55 |
|
* Anyway, we should rely on the device information with appropriate IRQ |
56 |
|
* routing. |
57 |
|
*/ |
58 |
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int net_irq_clearing_count; |
59 |
|
|
60 |
/* Slot select for EEPROM access */ |
/* Slot select for EEPROM access */ |
61 |
u_int eeprom_slot; |
u_int eeprom_slot; |
62 |
|
|
70 |
static const struct nmc93c46_eeprom_def eeprom_mb_def = { |
static const struct nmc93c46_eeprom_def eeprom_mb_def = { |
71 |
EEPROM_MB_CLK, EEPROM_MB_CS, |
EEPROM_MB_CLK, EEPROM_MB_CS, |
72 |
EEPROM_MB_DIN, EEPROM_MB_DOUT, |
EEPROM_MB_DIN, EEPROM_MB_DOUT, |
|
NULL, 0, |
|
73 |
}; |
}; |
74 |
|
|
75 |
/* Mainboard EEPROM */ |
/* Mainboard EEPROM */ |
76 |
static const struct nmc93c46_group eeprom_mb_group = { |
static const struct nmc93c46_group eeprom_mb_group = { |
77 |
1, 0, "Mainboard EEPROM", 0, { NULL }, { { 0, 0, 0, 0, 0} }, |
1, 0, "Mainboard EEPROM", 0, { &eeprom_mb_def }, |
78 |
}; |
}; |
79 |
|
|
80 |
/* NM EEPROM definition */ |
/* NM EEPROM definition */ |
81 |
static const struct nmc93c46_eeprom_def eeprom_nm_def = { |
static const struct nmc93c46_eeprom_def eeprom_nm_def = { |
82 |
EEPROM_NM_CLK, EEPROM_NM_CS, |
EEPROM_NM_CLK, EEPROM_NM_CS, |
83 |
EEPROM_NM_DIN, EEPROM_NM_DOUT, |
EEPROM_NM_DIN, EEPROM_NM_DOUT, |
|
NULL, 0, |
|
84 |
}; |
}; |
85 |
|
|
86 |
/* NM EEPROM */ |
/* NM EEPROM */ |
87 |
static const struct nmc93c46_group eeprom_nm_group = { |
static const struct nmc93c46_group eeprom_nm_group = { |
88 |
1, 0, "NM EEPROM", 0, { NULL }, { { 0, 0, 0, 0, 0} }, |
1, 0, "NM EEPROM", 0, { &eeprom_nm_def }, |
89 |
}; |
}; |
90 |
|
|
91 |
/* C3660 NM presence masks */ |
/* C3660 NM presence masks */ |
101 |
/* Select the current NM EEPROM */ |
/* Select the current NM EEPROM */ |
102 |
static void nm_eeprom_select(struct iofpga_data *d,u_int slot) |
static void nm_eeprom_select(struct iofpga_data *d,u_int slot) |
103 |
{ |
{ |
104 |
d->router->nm_eeprom.data = d->router->nm_bay[slot].eeprom_data; |
d->router->nm_eeprom_group.eeprom[0] = &d->router->nm_bay[slot].eeprom; |
|
d->router->nm_eeprom.data_len = d->router->nm_bay[slot].eeprom_data_len; |
|
105 |
} |
} |
106 |
|
|
107 |
/* Return the NM status register given the detected EEPROM (3620/3640) */ |
/* Return the NM status register given the detected EEPROM (3620/3640) */ |
241 |
case 0x20001: |
case 0x20001: |
242 |
case 0x20002: |
case 0x20002: |
243 |
case 0x20003: |
case 0x20003: |
244 |
/* XXX Thisn't seem to be correct (at least on 3620) */ |
/* XXX This doesn't seem to be correct (at least on 3620) */ |
245 |
slot = offset - 0x20000; |
slot = offset - 0x20000; |
246 |
|
|
247 |
if (op_type == MTS_READ) |
if (op_type == MTS_READ) |
248 |
*data = 0xFF; |
*data = 0xFF; |
249 |
|
|
250 |
vm_clear_irq(d->router->vm,C3600_NETIO_IRQ); |
if (++d->net_irq_clearing_count == C3600_NET_IRQ_CLEARING_DELAY) { |
251 |
|
vm_clear_irq(d->router->vm,C3600_NETIO_IRQ); |
252 |
|
d->net_irq_clearing_count = 0; |
253 |
|
} |
254 |
break; |
break; |
255 |
|
|
256 |
/* |
/* |
596 |
/* Initialize EEPROM groups */ |
/* Initialize EEPROM groups */ |
597 |
void c3600_init_eeprom_groups(c3600_t *router) |
void c3600_init_eeprom_groups(c3600_t *router) |
598 |
{ |
{ |
|
struct nmc93c46_group *g; |
|
599 |
int i; |
int i; |
600 |
|
|
601 |
/* Copy Mainboard EEPROM definition */ |
/* Initialize Mainboard EEPROM */ |
602 |
memcpy(&router->mb_eeprom,&eeprom_mb_def,sizeof(eeprom_mb_def)); |
router->mb_eeprom_group = eeprom_mb_group; |
603 |
|
router->mb_eeprom_group.eeprom[0] = &router->mb_eeprom; |
604 |
/* Initialize group */ |
router->mb_eeprom.data = NULL; |
605 |
g = &router->mb_eeprom_group; |
router->mb_eeprom.len = 0; |
606 |
memcpy(g,&eeprom_mb_group,sizeof(eeprom_mb_group)); |
|
607 |
g->def[0] = &router->mb_eeprom; |
/* Initialize NM EEPROM for 3620/3640 */ |
608 |
|
router->nm_eeprom_group = eeprom_nm_group; |
609 |
/* Copy NM EEPROM definition (3620/3640) */ |
router->nm_eeprom_group.eeprom[0] = NULL; |
|
memcpy(&router->nm_eeprom,&eeprom_nm_def,sizeof(eeprom_nm_def)); |
|
|
router->nm_eeprom.data = NULL; |
|
|
router->nm_eeprom.data_len = 0; |
|
|
|
|
|
/* Initialize group (3620/3640) */ |
|
|
g = &router->nm_eeprom_group; |
|
|
memcpy(g,&eeprom_nm_group,sizeof(eeprom_nm_group)); |
|
|
g->def[0] = &router->nm_eeprom; |
|
610 |
|
|
611 |
/* 3660 NM EEPROM */ |
/* Initialize NM EEPROM for 3660 */ |
612 |
for(i=0;i<C3600_MAX_NM_BAYS;i++) { |
for(i=0;i<C3600_MAX_NM_BAYS;i++) { |
613 |
memcpy(&router->c3660_nm_eeprom_def[i],&eeprom_nm_def, |
router->c3660_nm_eeprom_group[i] = eeprom_nm_group; |
614 |
sizeof(struct nmc93c46_eeprom_def)); |
router->c3660_nm_eeprom_group[i].eeprom[0] = &router->nm_bay[i].eeprom; |
|
|
|
|
memcpy(&router->c3660_nm_eeprom_group[i],&eeprom_nm_group, |
|
|
sizeof(struct nmc93c46_group)); |
|
|
|
|
|
router->c3660_nm_eeprom_group[i].def[0] = |
|
|
&router->c3660_nm_eeprom_def[i]; |
|
615 |
} |
} |
616 |
} |
} |
617 |
|
|