diff options
Diffstat (limited to 'arch/mips/momentum/ocelot_3/prom.c')
-rw-r--r-- | arch/mips/momentum/ocelot_3/prom.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/arch/mips/momentum/ocelot_3/prom.c b/arch/mips/momentum/ocelot_3/prom.c index 296d945bc24..6ce9b7fdb82 100644 --- a/arch/mips/momentum/ocelot_3/prom.c +++ b/arch/mips/momentum/ocelot_3/prom.c | |||
@@ -34,64 +34,11 @@ struct callvectors* debug_vectors; | |||
34 | extern unsigned long marvell_base; | 34 | extern unsigned long marvell_base; |
35 | extern unsigned long cpu_clock; | 35 | extern unsigned long cpu_clock; |
36 | 36 | ||
37 | #ifdef CONFIG_MV643XX_ETH | ||
38 | extern unsigned char prom_mac_addr_base[6]; | ||
39 | #endif | ||
40 | |||
41 | const char *get_system_type(void) | 37 | const char *get_system_type(void) |
42 | { | 38 | { |
43 | return "Momentum Ocelot-3"; | 39 | return "Momentum Ocelot-3"; |
44 | } | 40 | } |
45 | 41 | ||
46 | #ifdef CONFIG_MV643XX_ETH | ||
47 | void burn_clocks(void) | ||
48 | { | ||
49 | int i; | ||
50 | |||
51 | /* this loop should burn at least 1us -- this should be plenty */ | ||
52 | for (i = 0; i < 0x10000; i++) | ||
53 | ; | ||
54 | } | ||
55 | |||
56 | u8 exchange_bit(u8 val, u8 cs) | ||
57 | { | ||
58 | /* place the data */ | ||
59 | OCELOT_FPGA_WRITE((val << 2) | cs, EEPROM_MODE); | ||
60 | burn_clocks(); | ||
61 | |||
62 | /* turn the clock on */ | ||
63 | OCELOT_FPGA_WRITE((val << 2) | cs | 0x2, EEPROM_MODE); | ||
64 | burn_clocks(); | ||
65 | |||
66 | /* turn the clock off and read-strobe */ | ||
67 | OCELOT_FPGA_WRITE((val << 2) | cs | 0x10, EEPROM_MODE); | ||
68 | |||
69 | /* return the data */ | ||
70 | return ((OCELOT_FPGA_READ(EEPROM_MODE) >> 3) & 0x1); | ||
71 | } | ||
72 | |||
73 | void get_mac(char dest[6]) | ||
74 | { | ||
75 | u8 read_opcode[12] = {1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; | ||
76 | int i,j; | ||
77 | |||
78 | for (i = 0; i < 12; i++) | ||
79 | exchange_bit(read_opcode[i], 1); | ||
80 | |||
81 | for (j = 0; j < 6; j++) { | ||
82 | dest[j] = 0; | ||
83 | for (i = 0; i < 8; i++) { | ||
84 | dest[j] <<= 1; | ||
85 | dest[j] |= exchange_bit(0, 1); | ||
86 | } | ||
87 | } | ||
88 | |||
89 | /* turn off CS */ | ||
90 | exchange_bit(0,0); | ||
91 | } | ||
92 | #endif | ||
93 | |||
94 | |||
95 | #ifdef CONFIG_64BIT | 42 | #ifdef CONFIG_64BIT |
96 | 43 | ||
97 | unsigned long signext(unsigned long addr) | 44 | unsigned long signext(unsigned long addr) |
@@ -228,11 +175,6 @@ void __init prom_init(void) | |||
228 | mips_machgroup = MACH_GROUP_MOMENCO; | 175 | mips_machgroup = MACH_GROUP_MOMENCO; |
229 | mips_machtype = MACH_MOMENCO_OCELOT_3; | 176 | mips_machtype = MACH_MOMENCO_OCELOT_3; |
230 | 177 | ||
231 | #ifdef CONFIG_MV643XX_ETH | ||
232 | /* get the base MAC address for on-board ethernet ports */ | ||
233 | get_mac(prom_mac_addr_base); | ||
234 | #endif | ||
235 | |||
236 | #ifndef CONFIG_64BIT | 178 | #ifndef CONFIG_64BIT |
237 | debug_vectors->printf("Booting Linux kernel...\n"); | 179 | debug_vectors->printf("Booting Linux kernel...\n"); |
238 | #endif | 180 | #endif |