riscv/freedom
1
0
Fork 0
Code Issues Releases Activity

Compare commits

base: riscv:boot-test
Branches Tags
riscv:ml507 riscv:boot-test riscv:master
...
compare: riscv:c812a8878fab68cccb85e26abb9ca30dfa1bb93d
Branches Tags
riscv:ml507 riscv:boot-test riscv:master

4 Commits
boot-test ... c812a8878f

Author SHA1 Message Date
Klemens Schölhorn
c812a8878f Properly set clock frequencies 2018-06-06 01:05:36 +02:00
Klemens Schölhorn
2c74ef7f03 Use correct frequency for the sd-spi interface 2018-05-19 19:04:56 +02:00
Klemens Schölhorn
c27ee2215c Print everything send over serial to the terminal 2018-05-19 19:04:11 +02:00
Klemens Schölhorn
ec4e3ec36d Use rocket config with fpu and mmu for booting linux 2018-05-19 19:00:57 +02:00
4 changed files with 7 additions and 4 deletions
Expand all files Collapse all files

3
bootrom/sdboot/kprintf.h
View File

@ -33,6 +33,9 @@ static inline void kputc(char c)
while ((int32_t)(*tx) < 0); while ((int32_t)(*tx) < 0);
*tx = c; *tx = c;
#endif #endif
volatile uint32_t *term = (void *) 0x64003000; // Terminal (32 bit)
while ((int32_t)(*term) < 0);
*term = c;
} }
extern void kputs(const char *); extern void kputs(const char *);

2
bootrom/sdboot/sd.c
View File

@ -12,7 +12,7 @@
#define PAYLOAD_SIZE (16 << 11) #define PAYLOAD_SIZE (16 << 11)
#define F_CLK 50000000UL #define F_CLK 60000000UL
static volatile uint32_t * const spi = (void *)(SPI_CTRL_ADDR); static volatile uint32_t * const spi = (void *)(SPI_CTRL_ADDR);

2
rocket-chip

Submodule rocket-chip updated: 6df42fc360...8710fe9561

4
src/main/scala/unleashed/u500ml507devkit/Config.scala
View File

@ -20,8 +20,9 @@ import sifive.fpgashells.devices.xilinx.xilinxml507mig._
class FreedomUML507Config extends Config( class FreedomUML507Config extends Config(
new WithoutTLMonitors ++ new WithoutTLMonitors ++
new WithJtagDTM ++ new WithJtagDTM ++
new WithClockFrequency(60000000) ++ // 60 MHz
new WithNMemoryChannels(1) ++ new WithNMemoryChannels(1) ++
new WithNBigCores(1) ++ new WithNSmallLinuxCores(1) ++
new BaseConfig new BaseConfig
) )
@ -45,7 +46,6 @@ class U500ML507DevKitConfig extends Config(
new U500ML507DevKitPeripherals ++ new U500ML507DevKitPeripherals ++
new FreedomUML507Config().alter((site,here,up) => { new FreedomUML507Config().alter((site,here,up) => {
case ErrorParams => ErrorParams(Seq(AddressSet(0x3000, 0xfff)), maxAtomic=site(XLen)/8, maxTransfer=128) case ErrorParams => ErrorParams(Seq(AddressSet(0x3000, 0xfff)), maxAtomic=site(XLen)/8, maxTransfer=128)
case PeripheryBusKey => up(PeripheryBusKey, site).copy(frequency = 60000000) // 60 MHz clock
case MemoryML507Key => XilinxML507MIGParams(address = Seq(AddressSet(0x80000000L,0x10000000L-1))) // 256 MiB case MemoryML507Key => XilinxML507MIGParams(address = Seq(AddressSet(0x80000000L,0x10000000L-1))) // 256 MiB
case DTSTimebase => BigInt(1000000) case DTSTimebase => BigInt(1000000)
case ExtMem => up(ExtMem).copy(size = 0x10000000L) case ExtMem => up(ExtMem).copy(size = 0x10000000L)