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soc: add tester IO

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This commit is contained in:
Sebastien Bourdeauducq 2014-07-22 10:45:59 -06:00
parent 8769066e89
commit 5573cf3688
2 changed files with 30 additions and 5 deletions
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8
soc/runtime/main.c
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@ -121,7 +121,13 @@ static int rpc(int rpc_num, int n_args, ...)
static void gpio_set(int channel, int value)
{
leds_out_write(value);
static int csr_value;
if(value)
csr_value |= 1 << channel;
else
csr_value &= ~(1 << channel);
leds_out_write(csr_value);
}
static void rtio_set(int timestamp, int channel, int value)

27
soc/targets/artiq.py
View File

@ -60,7 +60,24 @@ class _CRG(Module):
i_C0=self.cd_sys.clk, i_C1=~self.cd_sys.clk,
o_Q=platform.request("sdram_clock"))
_ttl_io = [("ttl", i, Pins("C:"+str(i)), IOStandard("LVTTL")) for i in range(16)]
_tester_io = [
("user_led", 1, Pins("B:7"), IOStandard("LVTTL")),
("ttl", 0, Pins("C:13"), IOStandard("LVTTL")),
("ttl", 1, Pins("C:11"), IOStandard("LVTTL")),
("ttl", 2, Pins("C:10"), IOStandard("LVTTL")),
("ttl", 3, Pins("C:9"), IOStandard("LVTTL")),
("ttl_tx_en", 0, Pins("A:9"), IOStandard("LVTTL")),
("dds", 0,
Subsignal("a", Pins("A:5 B:10 A:6 B:9 A:7 B:8")),
Subsignal("d", Pins("A:12 B:3 A:13 B:2 A:14 B:1 A:15 B:0")),
Subsignal("sel", Pins("A:2 B:14 A:1 B:15 A:0")),
Subsignal("p", Pins("A:8 B:12")),
Subsignal("fud", Pins("B:11")),
Subsignal("wr_n", Pins("A:4")),
Subsignal("rd_n", Pins("B:13")),
Subsignal("reset", Pins("A:3")),
IOStandard("LVTTL")),
]
class ARTIQSoC(SDRAMSoC):
default_platform = "papilio_pro"
@ -74,7 +91,7 @@ class ARTIQSoC(SDRAMSoC):
clk_freq = 80*1000*1000
SDRAMSoC.__init__(self, platform, clk_freq,
cpu_reset_address=0x160000, cpu_type=cpu_type, **kwargs)
platform.add_extension(_ttl_io)
platform.add_extension(_tester_io)
self.submodules.crg = _CRG(platform, clk_freq)
@ -103,7 +120,9 @@ class ARTIQSoC(SDRAMSoC):
self.flash_boot_address = 0x70000
self.register_rom(self.spiflash.bus)
self.submodules.leds = gpio.GPIOOut(platform.request("user_led"))
self.submodules.rtio = rtio.RTIO([platform.request("ttl", i) for i in range(8)])
self.submodules.leds = gpio.GPIOOut(Cat(platform.request("user_led", 0),
platform.request("user_led", 1)))
self.comb += platform.request("ttl_tx_en").eq(1)
self.submodules.rtio = rtio.RTIO([platform.request("ttl", i) for i in range(4)])
default_subtarget = ARTIQSoC