19 |
#include "memory.h" |
#include "memory.h" |
20 |
#include "device.h" |
#include "device.h" |
21 |
#include "dev_vtty.h" |
#include "dev_vtty.h" |
22 |
#include "nmc93c46.h" |
#include "nmc93cX6.h" |
23 |
#include "dev_c2600.h" |
#include "dev_c2600.h" |
24 |
|
|
25 |
/* Debugging flags */ |
/* Debugging flags */ |
26 |
#define DEBUG_UNKNOWN 1 |
#define DEBUG_UNKNOWN 1 |
27 |
#define DEBUG_ACCESS 0 |
#define DEBUG_ACCESS 0 |
28 |
|
#define DEBUG_NET_IRQ 0 |
29 |
|
|
30 |
/* Definitions for Mainboard EEPROM */ |
/* Definitions for Mainboard EEPROM */ |
31 |
#define EEPROM_MB_DOUT 3 |
#define EEPROM_MB_DOUT 3 |
41 |
|
|
42 |
#define C2691_NET_IRQ_CLEARING_DELAY 16 |
#define C2691_NET_IRQ_CLEARING_DELAY 16 |
43 |
|
|
44 |
|
/* Network IRQ distribution */ |
45 |
|
static u_int net_irq_dist[C2600_MAX_NM_BAYS] = { |
46 |
|
4, /* reg 0x08, bits 4-5 */ |
47 |
|
0, /* reg 0x08, bits 0-3 */ |
48 |
|
}; |
49 |
|
|
50 |
/* IO FPGA structure */ |
/* IO FPGA structure */ |
51 |
struct iofpga_data { |
struct c2600_iofpga_data { |
52 |
vm_obj_t vm_obj; |
vm_obj_t vm_obj; |
53 |
struct vdevice dev; |
struct vdevice dev; |
54 |
c2600_t *router; |
c2600_t *router; |
55 |
|
|
56 |
/* |
/* Network Interrupt status */ |
57 |
* Used to introduce a "delay" before clearing the network interrupt |
m_uint8_t net_irq_status; |
|
* on 3620/3640 platforms. Added due to a packet loss when using an |
|
|
* Ethernet NM on these platforms. |
|
|
* |
|
|
* Anyway, we should rely on the device information with appropriate IRQ |
|
|
* routing. |
|
|
*/ |
|
|
int net_irq_clearing_count; |
|
58 |
|
|
59 |
/* Interrupt mask*/ |
/* Interrupt mask */ |
60 |
m_uint16_t intr_mask; |
m_uint16_t intr_mask; |
61 |
}; |
}; |
62 |
|
|
63 |
/* Mainboard EEPROM definition */ |
/* Mainboard EEPROM definition */ |
64 |
static const struct nmc93c46_eeprom_def eeprom_mb_def = { |
static const struct nmc93cX6_eeprom_def eeprom_mb_def = { |
65 |
EEPROM_MB_CLK, EEPROM_MB_CS, |
EEPROM_MB_CLK, EEPROM_MB_CS, |
66 |
EEPROM_MB_DIN, EEPROM_MB_DOUT, |
EEPROM_MB_DIN, EEPROM_MB_DOUT, |
67 |
}; |
}; |
68 |
|
|
69 |
/* Mainboard EEPROM */ |
/* Mainboard EEPROM */ |
70 |
static const struct nmc93c46_group eeprom_mb_group = { |
static const struct nmc93cX6_group eeprom_mb_group = { |
71 |
1, 0, "Mainboard EEPROM", 0, { &eeprom_mb_def }, |
EEPROM_TYPE_NMC93C46, 1, 0, "Mainboard EEPROM", 0, { &eeprom_mb_def }, |
72 |
}; |
}; |
73 |
|
|
74 |
/* NM EEPROM definition */ |
/* NM EEPROM definition */ |
75 |
static const struct nmc93c46_eeprom_def eeprom_nm_def = { |
static const struct nmc93cX6_eeprom_def eeprom_nm_def = { |
76 |
EEPROM_NM_CLK, EEPROM_NM_CS, |
EEPROM_NM_CLK, EEPROM_NM_CS, |
77 |
EEPROM_NM_DIN, EEPROM_NM_DOUT, |
EEPROM_NM_DIN, EEPROM_NM_DOUT, |
78 |
}; |
}; |
79 |
|
|
80 |
/* NM EEPROM */ |
/* NM EEPROM */ |
81 |
static const struct nmc93c46_group eeprom_nm_group = { |
static const struct nmc93cX6_group eeprom_nm_group = { |
82 |
1, 0, "NM EEPROM", 0, { &eeprom_nm_def }, |
EEPROM_TYPE_NMC93C46, 1, 0, "NM EEPROM", 0, { &eeprom_nm_def }, |
83 |
}; |
}; |
84 |
|
|
85 |
|
/* Update network interrupt status */ |
86 |
|
static inline void dev_c2600_iofpga_net_update_irq(struct c2600_iofpga_data *d) |
87 |
|
{ |
88 |
|
if (d->net_irq_status) { |
89 |
|
vm_set_irq(d->router->vm,C2600_NETIO_IRQ); |
90 |
|
} else { |
91 |
|
vm_clear_irq(d->router->vm,C2600_NETIO_IRQ); |
92 |
|
} |
93 |
|
} |
94 |
|
|
95 |
|
/* Trigger a Network IRQ for the specified slot/port */ |
96 |
|
void dev_c2600_iofpga_net_set_irq(struct c2600_iofpga_data *d, |
97 |
|
u_int slot,u_int port) |
98 |
|
{ |
99 |
|
#if DEBUG_NET_IRQ |
100 |
|
vm_log(d->router->vm,"IO_FPGA","setting NetIRQ for slot %u port %u\n", |
101 |
|
slot,port); |
102 |
|
#endif |
103 |
|
d->net_irq_status |= 1 << (net_irq_dist[slot] + port); |
104 |
|
dev_c2600_iofpga_net_update_irq(d); |
105 |
|
} |
106 |
|
|
107 |
|
/* Clear a Network IRQ for the specified slot/port */ |
108 |
|
void dev_c2600_iofpga_net_clear_irq(struct c2600_iofpga_data *d, |
109 |
|
u_int slot,u_int port) |
110 |
|
{ |
111 |
|
#if DEBUG_NET_IRQ |
112 |
|
vm_log(d->router->vm,"IO_FPGA","clearing NetIRQ for slot %u port %u\n", |
113 |
|
slot,port); |
114 |
|
#endif |
115 |
|
d->net_irq_status &= ~(1 << (net_irq_dist[slot] + port)); |
116 |
|
dev_c2600_iofpga_net_update_irq(d); |
117 |
|
} |
118 |
|
|
119 |
/* |
/* |
120 |
* dev_c2600_iofpga_access() |
* dev_c2600_iofpga_access() |
121 |
*/ |
*/ |
124 |
m_uint32_t offset,u_int op_size,u_int op_type, |
m_uint32_t offset,u_int op_size,u_int op_type, |
125 |
m_uint64_t *data) |
m_uint64_t *data) |
126 |
{ |
{ |
127 |
struct iofpga_data *d = dev->priv_data; |
struct c2600_iofpga_data *d = dev->priv_data; |
128 |
|
|
129 |
if (op_type == MTS_READ) |
if (op_type == MTS_READ) |
130 |
*data = 0x0; |
*data = 0x0; |
144 |
case 0x04: |
case 0x04: |
145 |
if (op_type == MTS_READ) |
if (op_type == MTS_READ) |
146 |
*data = 0x00; |
*data = 0x00; |
|
//vm_clear_irq(cpu->vm,C2600_NETIO_IRQ); |
|
147 |
break; |
break; |
148 |
|
|
149 |
/* |
/* |
150 |
* Network Interrupt. |
* Network Interrupt. |
151 |
* |
* |
152 |
* Bit 0: slot 1. |
* Bit 0-3: slot 1. |
153 |
* Bit 4: slot 0 (MB), port 0 |
* Bit 4: slot 0 (MB), port 0 |
154 |
* Bit 5: slot 0 (MB), port 1 |
* Bit 5: slot 0 (MB), port 1 |
155 |
* Other: AIM ? (error messages displayed) |
* Other: AIM ? (error messages displayed) |
156 |
*/ |
*/ |
157 |
case 0x08: |
case 0x08: |
158 |
if (op_type == MTS_READ) |
if (op_type == MTS_READ) |
159 |
*data = 0x31; |
*data = d->net_irq_status; |
|
vm_clear_irq(cpu->vm,C2600_NETIO_IRQ); |
|
160 |
break; |
break; |
161 |
|
|
162 |
case 0x10: |
case 0x10: |
165 |
*data = 0xFFFFFFFF; |
*data = 0xFFFFFFFF; |
166 |
break; |
break; |
167 |
|
|
168 |
/* Flash Related: 0x1y */ |
/* |
169 |
|
* Flash Related: 0x1y |
170 |
|
* |
171 |
|
* Bit 1: card present in slot 0 / WIC 0. |
172 |
|
* Bit 2: card present in slot 0 / WIC 1. |
173 |
|
* |
174 |
|
* Other bits unknown. |
175 |
|
*/ |
176 |
#if 1 |
#if 1 |
177 |
case 0x0c: |
case 0x0c: |
178 |
if (op_type == MTS_READ) |
if (op_type == MTS_READ) |
179 |
*data = 0x10; |
*data = 0x10; //0x10; |
180 |
break; |
break; |
181 |
#endif |
#endif |
182 |
|
|
183 |
/* NM EEPROM */ |
/* NM EEPROM */ |
184 |
case 0x1c: |
case 0x1c: |
185 |
if (op_type == MTS_WRITE) |
if (op_type == MTS_WRITE) |
186 |
nmc93c46_write(&d->router->nm_eeprom_group,(u_int)(*data)); |
nmc93cX6_write(&d->router->nm_eeprom_group,(u_int)(*data)); |
187 |
else |
else |
188 |
*data = nmc93c46_read(&d->router->nm_eeprom_group); |
*data = nmc93cX6_read(&d->router->nm_eeprom_group); |
189 |
break; |
break; |
190 |
|
|
191 |
#if DEBUG_UNKNOWN |
#if DEBUG_UNKNOWN |
221 |
} |
} |
222 |
|
|
223 |
/* Shutdown the IO FPGA device */ |
/* Shutdown the IO FPGA device */ |
224 |
void dev_c2600_iofpga_shutdown(vm_instance_t *vm,struct iofpga_data *d) |
static void |
225 |
|
dev_c2600_iofpga_shutdown(vm_instance_t *vm,struct c2600_iofpga_data *d) |
226 |
{ |
{ |
227 |
if (d != NULL) { |
if (d != NULL) { |
228 |
/* Remove the device */ |
/* Remove the device */ |
239 |
int dev_c2600_iofpga_init(c2600_t *router,m_uint64_t paddr,m_uint32_t len) |
int dev_c2600_iofpga_init(c2600_t *router,m_uint64_t paddr,m_uint32_t len) |
240 |
{ |
{ |
241 |
vm_instance_t *vm = router->vm; |
vm_instance_t *vm = router->vm; |
242 |
struct iofpga_data *d; |
struct c2600_iofpga_data *d; |
243 |
|
|
244 |
/* Allocate private data structure */ |
/* Allocate private data structure */ |
245 |
if (!(d = malloc(sizeof(*d)))) { |
if (!(d = malloc(sizeof(*d)))) { |