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sw: wip commit -- getting dfu working

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Now that we have SPI and USB both working, we can start to close the
loop and get DFU working.

Signed-off-by: Sean Cross <sean@xobs.io>
This commit is contained in:
Sean Cross 2019-03-25 17:39:06 +08:00
parent 7210ee219d
commit 3d6acaf51e
16 changed files with 459 additions and 358 deletions
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109
hw/foboot-bitstream.py
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@ -14,13 +14,16 @@ import lxbuildenv
#from migen import * #from migen import *
from migen import Module, Signal, Instance, ClockDomain, If from migen import Module, Signal, Instance, ClockDomain, If
from migen.genlib.resetsync import AsyncResetSynchronizer from migen.genlib.resetsync import AsyncResetSynchronizer
from migen.fhdl.specials import TSTriple
from migen.fhdl.structure import ClockSignal, ResetSignal, Replicate, Cat
from litex.build.lattice.platform import LatticePlatform from litex.build.lattice.platform import LatticePlatform
from litex.build.generic_platform import Pins, IOStandard, Misc, Subsignal from litex.build.generic_platform import Pins, IOStandard, Misc, Subsignal
from litex.soc.integration import SoCCore from litex.soc.integration import SoCCore
from litex.soc.integration.builder import Builder from litex.soc.integration.builder import Builder
from litex.soc.integration.soc_core import csr_map_update from litex.soc.integration.soc_core import csr_map_update
from litex.soc.interconnect import wishbone from litex.soc.interconnect import wishbone
from litex.soc.cores.spi import SPIMaster from litex.soc.interconnect.csr import AutoCSR, CSRStatus, CSRStorage
from valentyusb import usbcore from valentyusb import usbcore
from valentyusb.usbcore import io as usbio from valentyusb.usbcore import io as usbio
@ -222,13 +225,108 @@ class Platform(LatticePlatform):
# def do_finalize(self, fragment): # def do_finalize(self, fragment):
# LatticePlatform.do_finalize(self, fragment) # LatticePlatform.do_finalize(self, fragment)
class PicoSoCSpi(Module, AutoCSR):
def __init__(self, platform, pads):
self.reset = Signal()
self.rdata = Signal(32)
self.addr = Signal(24)
self.ready = Signal()
self.valid = Signal()
self.flash_csb = Signal()
self.flash_clk = Signal()
cfgreg_we = Signal(4)
cfgreg_di = Signal(32)
cfgreg_do = Signal(32)
mosi_pad = TSTriple()
miso_pad = TSTriple()
cs_n_pad = TSTriple()
clk_pad = TSTriple()
wp_pad = TSTriple()
hold_pad = TSTriple()
self.do = CSRStorage(size=6)
self.oe = CSRStorage(size=6)
self.di = CSRStatus(size=6)
# self.cfg = CSRStorage(size=8)
# cfg_remapped = Cat(self.cfg.storage[0:7], Signal(7), self.cfg.storage[7])
self.comb += self.reset.eq(0)
# self.comb += [
# cfgreg_di.eq(Cat(self.do.storage, Replicate(2, 0), # Attach "DO" to lower 6 bits
# self.oe.storage, Replicate(4, 0), # Attach "OE" to bits 8-11
# cfg_remapped)),
# cfgreg_we.eq(Cat(self.do.re, self.oe.re, self.cfg.re, self.cfg.re)),
# self.di.status.eq(cfgreg_do),
# clk_pad.oe.eq(~self.reset),
# cs_n_pad.oe.eq(~self.reset),
# ]
self.specials += mosi_pad.get_tristate(pads.mosi)
self.specials += miso_pad.get_tristate(pads.miso)
self.specials += cs_n_pad.get_tristate(pads.cs_n)
self.specials += clk_pad.get_tristate(pads.clk)
self.specials += wp_pad.get_tristate(pads.wp)
self.specials += hold_pad.get_tristate(pads.hold)
self.comb += [
mosi_pad.oe.eq(self.oe.storage[0]),
miso_pad.oe.eq(self.oe.storage[1]),
wp_pad.oe.eq(self.oe.storage[2]),
hold_pad.oe.eq(self.oe.storage[3]),
clk_pad.oe.eq(self.oe.storage[4]),
cs_n_pad.oe.eq(self.oe.storage[5]),
mosi_pad.o.eq(self.do.storage[0]),
miso_pad.o.eq(self.do.storage[1]),
wp_pad.o.eq(self.do.storage[2]),
hold_pad.o.eq(self.do.storage[3]),
clk_pad.o.eq(self.do.storage[4]),
cs_n_pad.o.eq(self.do.storage[5]),
self.di.status.eq(Cat(mosi_pad.i, miso_pad.i, wp_pad.i, hold_pad.i, clk_pad.i, cs_n_pad.i)),
]
# self.specials += Instance("spimemio",
# o_flash_io0_oe = mosi_pad.oe,
# o_flash_io1_oe = miso_pad.oe,
# o_flash_io2_oe = wp_pad.oe,
# o_flash_io3_oe = hold_pad.oe,
# o_flash_io0_do = mosi_pad.o,
# o_flash_io1_do = miso_pad.o,
# o_flash_io2_do = wp_pad.o,
# o_flash_io3_do = hold_pad.o,
# i_flash_io0_di = mosi_pad.i,
# i_flash_io1_di = miso_pad.i,
# i_flash_io2_di = wp_pad.i,
# i_flash_io3_di = hold_pad.i,
# i_resetn = ResetSignal() | self.reset,
# i_clk = ClockSignal(),
# i_valid = self.valid,
# o_ready = self.ready,
# i_addr = self.addr,
# o_rdata = self.rdata,
# i_cfgreg_we = cfgreg_we,
# i_cfgreg_di = cfgreg_di,
# o_cfgreg_do = cfgreg_do,
# o_flash_csb = self.flash_csb,
# o_flash_clk = self.flash_clk,
# )
# platform.add_source("spimemio.v")
class BaseSoC(SoCCore): class BaseSoC(SoCCore):
csr_peripherals = [ csr_peripherals = [
"cpu_or_bridge", "cpu_or_bridge",
"usb", "usb",
"usb_obuf", "picospi",
"usb_ibuf",
"spi",
] ]
csr_map_update(SoCCore.csr_map, csr_peripherals) csr_map_update(SoCCore.csr_map, csr_peripherals)
@ -285,8 +383,9 @@ class BaseSoC(SoCCore):
else: else:
raise ValueError("unrecognized boot_source: {}".format(boot_source)) raise ValueError("unrecognized boot_source: {}".format(boot_source))
# Add SPI Flash module, based on PicoSoC
spi_pads = platform.request("spiflash") spi_pads = platform.request("spiflash")
self.submodules.spi = SPIMaster(spi_pads) self.submodules.picospi = PicoSoCSpi(platform, spi_pads)
# Add USB pads # Add USB pads
usb_pads = platform.request("usb") usb_pads = platform.request("usb")

2
hw/vexriscv-2-stage-with-debug.v
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@ -1,5 +1,5 @@
// Generator : SpinalHDL v1.3.2 git head : 41815ceafff4e72c2e3a3e1ff7e9ada5202a0d26 // Generator : SpinalHDL v1.3.2 git head : 41815ceafff4e72c2e3a3e1ff7e9ada5202a0d26
// Date : 17/03/2019, 16:22:41 // Date : 20/03/2019, 09:30:48
// Component : VexRiscv // Component : VexRiscv

87
sw/Makefile
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@ -1,59 +1,60 @@
PACKAGE = foboot PACKAGE := foboot
FOMU_SDK ?= . FOMU_SDK ?= .
ADD_CFLAGS = -I$(FOMU_SDK)/include -D__vexriscv__ -march=rv32im -mabi=ilp32 ADD_CFLAGS := -I$(FOMU_SDK)/include -D__vexriscv__ -march=rv32im -mabi=ilp32
ADD_LFLAGS = ADD_LFLAGS :=
SRC_DIR = src SRC_DIR := src
GIT_VERSION := $(shell git describe --tags) GIT_VERSION := $(shell git describe --tags)
TRGT ?= riscv64-unknown-elf- TRGT ?= riscv64-unknown-elf-
CC = $(TRGT)gcc CC := $(TRGT)gcc
CXX = $(TRGT)g++ CXX := $(TRGT)g++
OBJCOPY = $(TRGT)objcopy OBJCOPY := $(TRGT)objcopy
RM = rm -rf RM := rm -rf
COPY = cp -a COPY := cp -a
PATH_SEP = / PATH_SEP := /
ifeq ($(OS),Windows_NT) ifeq ($(OS),Windows_NT)
COPY = copy COPY := copy
RM = del RM := del
PATH_SEP = \\ PATH_SEP := \\
endif endif
LDSCRIPT = $(FOMU_SDK)/ld/linker.ld LDSCRIPT := $(FOMU_SDK)/ld/linker.ld
LDSCRIPTS = $(LDSCRIPT) $(FOMU_SDK)/ld/output_format.ld $(FOMU_SDK)/ld/regions.ld LDSCRIPTS := $(LDSCRIPT) $(FOMU_SDK)/ld/output_format.ld $(FOMU_SDK)/ld/regions.ld
DBG_CFLAGS = -ggdb -g -DDEBUG -Wall DBG_CFLAGS := -ggdb -g -DDEBUG -Wall
DBG_LFLAGS = -ggdb -g -Wall DBG_LFLAGS := -ggdb -g -Wall
CFLAGS = $(ADD_CFLAGS) \ CFLAGS := $(ADD_CFLAGS) \
-Wall -Wextra \ -Wall -Wextra \
-ffunction-sections -fdata-sections -fno-common \ -ffunction-sections -fdata-sections -fno-common \
-fomit-frame-pointer -Os \ -fomit-frame-pointer -Os \
-DGIT_VERSION=u\"$(GIT_VERSION)\" -std=gnu11 -march=rv32i \
CXXFLAGS = $(CFLAGS) -std=c++11 -fno-rtti -fno-exceptions -DGIT_VERSION=u\"$(GIT_VERSION)\" -std=gnu11
LFLAGS = $(CFLAGS) $(ADD_LFLAGS) \ CXXFLAGS := $(CFLAGS) -std=c++11 -fno-rtti -fno-exceptions
-nostartfiles \ LFLAGS := $(CFLAGS) $(ADD_LFLAGS) \
-nostdlib \ -nostartfiles \
-Wl,--gc-sections \ -nostdlib \
-Wl,--no-warn-mismatch \ -Wl,--gc-sections \
-Wl,--script=$(LDSCRIPT) \ -Wl,--no-warn-mismatch \
-Wl,--build-id=none -Wl,--script=$(LDSCRIPT) \
-Wl,--build-id=none
OBJ_DIR = .obj OBJ_DIR := .obj
CSOURCES = $(wildcard $(SRC_DIR)/*.c) $(wildcard third_party/libbase/*.c) $(wildcard third_party/*.c) CSOURCES := $(wildcard $(SRC_DIR)/*.c) $(wildcard third_party/libbase/*.c) $(wildcard third_party/*.c)
CPPSOURCES = $(wildcard $(SRC_DIR)/*.cpp) $(wildcard third_party/libbase/*.cpp) $(wildcard third_party/*.cpp) CPPSOURCES := $(wildcard $(SRC_DIR)/*.cpp) $(wildcard third_party/libbase/*.cpp) $(wildcard third_party/*.cpp)
ASOURCES = $(wildcard $(SRC_DIR)/*.S) $(wildcard third_party/libbase/*.S) $(wildcard third_party/*.S) ASOURCES := $(wildcard $(SRC_DIR)/*.S) $(wildcard third_party/libbase/*.S) $(wildcard third_party/*.S)
COBJS = $(addprefix $(OBJ_DIR)/, $(notdir $(CSOURCES:.c=.o))) COBJS := $(addprefix $(OBJ_DIR)/, $(notdir $(CSOURCES:.c=.o)))
CXXOBJS = $(addprefix $(OBJ_DIR)/, $(notdir $(CPPSOURCES:.cpp=.o))) CXXOBJS := $(addprefix $(OBJ_DIR)/, $(notdir $(CPPSOURCES:.cpp=.o)))
AOBJS = $(addprefix $(OBJ_DIR)/, $(notdir $(ASOURCES:.S=.o))) AOBJS := $(addprefix $(OBJ_DIR)/, $(notdir $(ASOURCES:.S=.o)))
OBJECTS = $(COBJS) $(CXXOBJS) $(AOBJS) OBJECTS := $(COBJS) $(CXXOBJS) $(AOBJS)
VPATH = $(SRC_DIR) third_party/libbase third_party VPATH := $(SRC_DIR) third_party/libbase third_party
QUIET = @ QUIET := @
ALL = all ALL := all
TARGET = $(PACKAGE).elf TARGET := $(PACKAGE).elf
CLEAN = clean CLEAN := clean
$(ALL): $(TARGET) $(PACKAGE).bin $(PACKAGE).ihex $(ALL): $(TARGET) $(PACKAGE).bin $(PACKAGE).ihex

2
sw/include/dfu.h
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@ -63,7 +63,7 @@ typedef enum {
#define DFU_INTERFACE 0 #define DFU_INTERFACE 0
#define DFU_DETACH_TIMEOUT 10000 // 10 second timer #define DFU_DETACH_TIMEOUT 10000 // 10 second timer
#define DFU_TRANSFER_SIZE 1024 // Flash sector size #define DFU_TRANSFER_SIZE 32768 // Flash sector size
// Main thread // Main thread
void dfu_init(); void dfu_init();

99
sw/include/generated/csr.h
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@ -54,93 +54,30 @@ static inline unsigned int ctrl_bus_errors_read(void) {
return r; return r;
} }
/* spi */ /* picospi */
#define CSR_SPI_BASE 0xe0006000 #define CSR_PICOSPI_BASE 0xe0005000
#define CSR_SPI_CONFIG_ADDR 0xe0006000 #define CSR_PICOSPI_DO_ADDR 0xe0005000
#define CSR_SPI_CONFIG_SIZE 4 #define CSR_PICOSPI_DO_SIZE 1
static inline unsigned int spi_config_read(void) { static inline unsigned char picospi_do_read(void) {
unsigned int r = csr_readl(0xe0006000); unsigned char r = csr_readl(0xe0005000);
r <<= 8;
r |= csr_readl(0xe0006004);
r <<= 8;
r |= csr_readl(0xe0006008);
r <<= 8;
r |= csr_readl(0xe000600c);
return r; return r;
} }
static inline void spi_config_write(unsigned int value) { static inline void picospi_do_write(unsigned char value) {
csr_writel(value >> 24, 0xe0006000); csr_writel(value, 0xe0005000);
csr_writel(value >> 16, 0xe0006004);
csr_writel(value >> 8, 0xe0006008);
csr_writel(value, 0xe000600c);
} }
#define CSR_SPI_XFER_ADDR 0xe0006010 #define CSR_PICOSPI_OE_ADDR 0xe0005004
#define CSR_SPI_XFER_SIZE 4 #define CSR_PICOSPI_OE_SIZE 1
static inline unsigned int spi_xfer_read(void) { static inline unsigned char picospi_oe_read(void) {
unsigned int r = csr_readl(0xe0006010); unsigned char r = csr_readl(0xe0005004);
r <<= 8;
r |= csr_readl(0xe0006014);
r <<= 8;
r |= csr_readl(0xe0006018);
r <<= 8;
r |= csr_readl(0xe000601c);
return r; return r;
} }
static inline void spi_xfer_write(unsigned int value) { static inline void picospi_oe_write(unsigned char value) {
csr_writel(value >> 24, 0xe0006010); csr_writel(value, 0xe0005004);
csr_writel(value >> 16, 0xe0006014);
csr_writel(value >> 8, 0xe0006018);
csr_writel(value, 0xe000601c);
} }
#define CSR_SPI_START_ADDR 0xe0006020 #define CSR_PICOSPI_DI_ADDR 0xe0005008
#define CSR_SPI_START_SIZE 1 #define CSR_PICOSPI_DI_SIZE 1
static inline unsigned char spi_start_read(void) { static inline unsigned char picospi_di_read(void) {
unsigned char r = csr_readl(0xe0006020); unsigned char r = csr_readl(0xe0005008);
return r;
}
static inline void spi_start_write(unsigned char value) {
csr_writel(value, 0xe0006020);
}
#define CSR_SPI_ACTIVE_ADDR 0xe0006024
#define CSR_SPI_ACTIVE_SIZE 1
static inline unsigned char spi_active_read(void) {
unsigned char r = csr_readl(0xe0006024);
return r;
}
#define CSR_SPI_PENDING_ADDR 0xe0006028
#define CSR_SPI_PENDING_SIZE 1
static inline unsigned char spi_pending_read(void) {
unsigned char r = csr_readl(0xe0006028);
return r;
}
#define CSR_SPI_MOSI_DATA_ADDR 0xe000602c
#define CSR_SPI_MOSI_DATA_SIZE 4
static inline unsigned int spi_mosi_data_read(void) {
unsigned int r = csr_readl(0xe000602c);
r <<= 8;
r |= csr_readl(0xe0006030);
r <<= 8;
r |= csr_readl(0xe0006034);
r <<= 8;
r |= csr_readl(0xe0006038);
return r;
}
static inline void spi_mosi_data_write(unsigned int value) {
csr_writel(value >> 24, 0xe000602c);
csr_writel(value >> 16, 0xe0006030);
csr_writel(value >> 8, 0xe0006034);
csr_writel(value, 0xe0006038);
}
#define CSR_SPI_MISO_DATA_ADDR 0xe000603c
#define CSR_SPI_MISO_DATA_SIZE 4
static inline unsigned int spi_miso_data_read(void) {
unsigned int r = csr_readl(0xe000603c);
r <<= 8;
r |= csr_readl(0xe0006040);
r <<= 8;
r |= csr_readl(0xe0006044);
r <<= 8;
r |= csr_readl(0xe0006048);
return r; return r;
} }

3
sw/include/generated/mem.h
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@ -1,9 +1,6 @@
#ifndef __GENERATED_MEM_H #ifndef __GENERATED_MEM_H
#define __GENERATED_MEM_H #define __GENERATED_MEM_H
#define VEXRISCV_DEBUG_BASE 0xf00f0000
#define VEXRISCV_DEBUG_SIZE 0x00000010
#define SRAM_BASE 0x10000000 #define SRAM_BASE 0x10000000
#define SRAM_SIZE 0x00020000 #define SRAM_SIZE 0x00020000

12
sw/include/spi-gpio.h Normal file
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@ -0,0 +1,12 @@
#ifndef _SPI_GPIO_H
#define _SPI_GPIO_H
#define PI_OUTPUT 1
#define PI_INPUT 0
#define PI_ALT0 PI_INPUT
void gpioSetMode(int pin, int mode);
void gpioWrite(int pin, int val);
int gpioRead(int pin);
#endif

3
sw/include/spi.h
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@ -69,6 +69,9 @@ void spiReadSecurity(struct ff_spi *spi, uint8_t sr, uint8_t security[256]);
void spiWriteSecurity(struct ff_spi *spi, uint8_t sr, uint8_t security[256]); void spiWriteSecurity(struct ff_spi *spi, uint8_t sr, uint8_t security[256]);
int spiSetType(struct ff_spi *spi, enum spi_type type); int spiSetType(struct ff_spi *spi, enum spi_type type);
int spiRead(struct ff_spi *spi, uint32_t addr, uint8_t *data, unsigned int count); int spiRead(struct ff_spi *spi, uint32_t addr, uint8_t *data, unsigned int count);
int spiIsBusy(struct ff_spi *spi);
int spiBeginErase(struct ff_spi *spi, uint32_t erase_addr);
int spiBeginWrite(struct ff_spi *spi, uint32_t addr, const void *data, unsigned int count);
struct spi_id spiId(struct ff_spi *spi); struct spi_id spiId(struct ff_spi *spi);
void spiOverrideSize(struct ff_spi *spi, uint32_t new_size); void spiOverrideSize(struct ff_spi *spi, uint32_t new_size);

233
sw/src/dfu.c
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@ -28,6 +28,11 @@
#include <toboot-internal.h> #include <toboot-internal.h>
#include <dfu.h> #include <dfu.h>
#define BLOCK_SIZE 32768 // bytes
#include <spi.h>
extern struct ff_spi *spi; // Defined in main.c
// Internal flash-programming state machine // Internal flash-programming state machine
static unsigned fl_current_addr = 0; static unsigned fl_current_addr = 0;
static enum { static enum {
@ -67,11 +72,11 @@ static struct toboot_state {
static dfu_state_t dfu_state = dfuIDLE; static dfu_state_t dfu_state = dfuIDLE;
static dfu_status_t dfu_status = OK; static dfu_status_t dfu_status = OK;
static unsigned dfu_poll_timeout = 1; static unsigned dfu_poll_timeout = 100;
static uint32_t dfu_buffer[DFU_TRANSFER_SIZE/4]; static uint32_t dfu_buffer[DFU_TRANSFER_SIZE/4];
static uint32_t dfu_buffer_offset; static uint32_t dfu_buffer_offset;
static uint32_t fl_num_words; static uint32_t dfu_bytes_remaining;
// Memory offset we're uploading to. // Memory offset we're uploading to.
static uint32_t dfu_target_address; static uint32_t dfu_target_address;
@ -85,23 +90,10 @@ bool fl_is_idle(void) {
return fl_state == flsIDLE; return fl_state == flsIDLE;
} }
/*
void *memcpy(void *dst, const void *src, size_t cnt) {
uint8_t *dst8 = dst;
const uint8_t *src8 = src;
while (cnt > 0) {
cnt--;
*(dst8++) = *(src8++);
}
return dst;
}
*/
static bool ftfl_busy() static bool ftfl_busy()
{ {
// Is the flash memory controller busy? // Is the flash memory controller busy?
// return (MSC->STATUS & MSC_STATUS_BUSY); return spiIsBusy(spi);
return 0;
} }
static void ftfl_busy_wait() static void ftfl_busy_wait()
@ -113,13 +105,21 @@ static void ftfl_busy_wait()
static void ftfl_begin_erase_sector(uint32_t address) static void ftfl_begin_erase_sector(uint32_t address)
{ {
// Erase the page at the specified address.
//MSC->WRITECTRL |= MSC_WRITECTRL_WREN;
ftfl_busy_wait(); ftfl_busy_wait();
//MSC->ADDRB = address; spiBeginErase(spi, address);
//MSC->WRITECMD = MSC_WRITECMD_LADDRIM; }
//MSC->WRITECMD = MSC_WRITECMD_ERASEPAGE;
static void ftfl_write_more_bytes(void)
{
uint32_t bytes_to_write = 256;
if (dfu_bytes_remaining < bytes_to_write)
bytes_to_write = dfu_bytes_remaining;
ftfl_busy_wait();
spiBeginWrite(spi, dfu_target_address, &dfu_buffer[dfu_buffer_offset], bytes_to_write);
dfu_bytes_remaining -= bytes_to_write;
dfu_target_address += bytes_to_write;
dfu_buffer_offset += bytes_to_write;
} }
static void ftfl_begin_program_section(uint32_t address) static void ftfl_begin_program_section(uint32_t address)
@ -128,52 +128,47 @@ static void ftfl_begin_program_section(uint32_t address)
// Note that after this is done, the address is incremented by 4. // Note that after this is done, the address is incremented by 4.
dfu_buffer_offset = 0; dfu_buffer_offset = 0;
dfu_target_address = address; dfu_target_address = address;
fl_num_words--; ftfl_write_more_bytes();
ftfl_busy_wait();
//MSC->ADDRB = address;
ftfl_busy_wait();
//MSC->WRITECTRL |= MSC_WRITECTRL_WREN;
//MSC->WDATA = dfu_buffer[dfu_buffer_offset++];
//MSC->WRITECMD = MSC_WRITECMD_WRITEONCE;
} }
static uint32_t address_for_block(unsigned blockNum) static uint32_t address_for_block(unsigned blockNum)
{ {
static uint32_t starting_offset; static const uint32_t starting_offset = 262144;
if (blockNum == 0) { // if (blockNum == 0) {
// Determine Toboot version. // // Determine Toboot version.
if ((dfu_buffer[0x94 / 4] & TOBOOT_V2_MAGIC_MASK) == TOBOOT_V2_MAGIC) { // if ((dfu_buffer[0x94 / 4] & TOBOOT_V2_MAGIC_MASK) == TOBOOT_V2_MAGIC) {
tb_state.version = 2; // tb_state.version = 2;
starting_offset = ((struct toboot_configuration *)&dfu_buffer[0x94 / 4])->start; // starting_offset = ((struct toboot_configuration *)&dfu_buffer[0x94 / 4])->start;
} // }
// V1 used a different offset. // // V1 used a different offset.
else if ((dfu_buffer[0x98 / 4] & TOBOOT_V1_MAGIC_MASK) == TOBOOT_V1_MAGIC) { // else if ((dfu_buffer[0x98 / 4] & TOBOOT_V1_MAGIC_MASK) == TOBOOT_V1_MAGIC) {
// Applications that know about Toboot will indicate their block // // Applications that know about Toboot will indicate their block
// offset by placing a magic byte at offset 0x98. // // offset by placing a magic byte at offset 0x98.
// Ordinarily this would be the address offset for IRQ 22, // // Ordinarily this would be the address offset for IRQ 22,
// but since there are only 20 IRQs on the EFM32HG, there are three // // but since there are only 20 IRQs on the EFM32HG, there are three
// 32-bit values that are unused starting at offset 0x94. // // 32-bit values that are unused starting at offset 0x94.
// We already use offset 0x94 for "disable boot", so use offset 0x98 // // We already use offset 0x94 for "disable boot", so use offset 0x98
// in the incoming stream to indicate flags for Toboot. // // in the incoming stream to indicate flags for Toboot.
tb_state.version = 1; // tb_state.version = 1;
starting_offset = (dfu_buffer[0x98 / 4] & TOBOOT_V1_APP_PAGE_MASK) >> TOBOOT_V1_APP_PAGE_SHIFT; // starting_offset = (dfu_buffer[0x98 / 4] & TOBOOT_V1_APP_PAGE_MASK) >> TOBOOT_V1_APP_PAGE_SHIFT;
} // }
// Legacy programs default to offset 0x4000. // // Legacy programs default to offset 0x4000.
else { // else {
tb_state.version = 0; // tb_state.version = 0;
starting_offset = 16; // starting_offset = 16;
} // }
// Set the state to "CLEARING", since we're just starting the programming process. // // Set the state to "CLEARING", since we're just starting the programming process.
tb_state.state = tbsCLEARING; // tb_state.state = tbsCLEARING;
starting_offset *= 0x400; // starting_offset *= 0x400;
} // }
return starting_offset + (blockNum << 10); return starting_offset + (blockNum * BLOCK_SIZE);
} }
// If requested, erase sectors before loading new code. // If requested, erase sectors before loading new code.
static void pre_clear_next_block(void) { static void pre_clear_next_block(void) {
#pragma warning "Support for sector erasing has been disabled"
#if 0
// If there is another sector to clear, do that. // If there is another sector to clear, do that.
while (++tb_state.clear_current < 64) { while (++tb_state.clear_current < 64) {
if (tb_state.clear_current < 32) { if (tb_state.clear_current < 32) {
@ -189,7 +184,7 @@ static void pre_clear_next_block(void) {
} }
} }
} }
#endif
// No more sectors to clear, continue with programming // No more sectors to clear, continue with programming
tb_state.state = tbsLOADING; tb_state.state = tbsLOADING;
ftfl_begin_erase_sector(tb_state.next_addr); ftfl_begin_erase_sector(tb_state.next_addr);
@ -198,20 +193,6 @@ static void pre_clear_next_block(void) {
void dfu_init(void) void dfu_init(void)
{ {
tb_state.state = tbsIDLE; tb_state.state = tbsIDLE;
/*
// Ensure the clocks for the memory are enabled
CMU->OSCENCMD = CMU_OSCENCMD_AUXHFRCOEN;
while (!(CMU->STATUS & CMU_STATUS_AUXHFRCORDY))
;
// Unlock the MSC
MSC->LOCK = MSC_UNLOCK_CODE;
// Enable writing to flash
MSC->WRITECTRL |= MSC_WRITECTRL_WREN;
MSC->IEN |= MSC_IEN_WRITE | MSC_IEN_ERASE;
NVIC_EnableIRQ(MSC_IRQn);
*/
} }
uint8_t dfu_getstate(void) uint8_t dfu_getstate(void)
@ -261,7 +242,7 @@ bool dfu_download(unsigned blockNum, unsigned blockLength,
// Start programming a block by erasing the corresponding flash sector // Start programming a block by erasing the corresponding flash sector
fl_state = flsERASING; fl_state = flsERASING;
fl_current_addr = address_for_block(blockNum); fl_current_addr = address_for_block(blockNum);
fl_num_words = blockLength / 4; dfu_bytes_remaining = blockLength;
// If it's the first block, figure out what we need to do in terms of erasing // If it's the first block, figure out what we need to do in terms of erasing
// data and programming the new file. // data and programming the new file.
@ -293,7 +274,7 @@ bool dfu_download(unsigned blockNum, unsigned blockLength,
tb_state.clear_lo = old_config->erase_mask_lo; tb_state.clear_lo = old_config->erase_mask_lo;
tb_state.clear_current = 0; tb_state.clear_current = 0;
// Ensure we don't erase Toboot itself // Ensure we don't erase Foboot itself
for (i = 0; i < tb_first_free_sector(); i++) { for (i = 0; i < tb_first_free_sector(); i++) {
if (i < 32) if (i < 32)
tb_state.clear_lo &= ~(1 << i); tb_state.clear_lo &= ~(1 << i);
@ -301,7 +282,7 @@ bool dfu_download(unsigned blockNum, unsigned blockLength,
tb_state.clear_hi &= ~(1 << i); tb_state.clear_hi &= ~(1 << i);
} }
// If the newly-loaded program does not conform to Toboot V2.0, then look // If the newly-loaded program does not conform to Foboot V2.0, then look
// for any existing programs on the flash and delete those sectors. // for any existing programs on the flash and delete those sectors.
// Because of boot priority, we need to ensure that no V2.0 applications // Because of boot priority, we need to ensure that no V2.0 applications
// exist on flash. // exist on flash.
@ -335,48 +316,11 @@ bool dfu_download(unsigned blockNum, unsigned blockLength,
return true; return true;
} }
static bool fl_handle_status(uint8_t fstat)
{
/*
* Handle common errors from an FSTAT register value.
* The indicated "specificError" is used for reporting a command-specific
* error from MGSTAT0.
*
* Returns true if handled, false if not.
*/
#if 0
if (fstat & MSC_STATUS_BUSY) {
// Still working...
return true;
}
if (fstat & (MSC_STATUS_ERASEABORTED | MSC_STATUS_WORDTIMEOUT)) {
// Bus collision. We did something wrong internally.
set_state(dfuERROR, errUNKNOWN);
fl_state = flsIDLE;
return true;
}
if (fstat & (MSC_STATUS_INVADDR | MSC_STATUS_LOCKED)) {
// Address or protection error
set_state(dfuERROR, errADDRESS);
fl_state = flsIDLE;
return true;
}
if (fl_state == flsPROGRAMMING) {
// Still programming...
return true;
}
#endif
return false;
}
static void fl_state_poll(void) static void fl_state_poll(void)
{ {
// Try to advance the state of our own flash programming state machine. // Try to advance the state of our own flash programming state machine.
uint32_t fstat = 0;//MSC->STATUS; int spi_is_busy = spiIsBusy(spi);
switch (fl_state) { switch (fl_state) {
@ -384,24 +328,29 @@ static void fl_state_poll(void)
break; break;
case flsERASING: case flsERASING:
if (!fl_handle_status(fstat)) { if (spi_is_busy)
// ?If we're still pre-clearing, continue with that. break;
if (tb_state.state == tbsCLEARING) {
pre_clear_next_block(); // If we're still pre-clearing, continue with that.
} if (tb_state.state == tbsCLEARING) {
// Done! Move on to programming the sector. pre_clear_next_block();
else { }
fl_state = flsPROGRAMMING; // Done! Move on to programming the sector.
ftfl_begin_program_section(fl_current_addr); else {
} fl_state = flsPROGRAMMING;
ftfl_begin_program_section(fl_current_addr);
} }
break; break;
case flsPROGRAMMING: case flsPROGRAMMING:
if (!fl_handle_status(fstat)) { if (spi_is_busy)
// Done! break;
// Program more blocks, if applicable
if (dfu_bytes_remaining)
ftfl_write_more_bytes();
else
fl_state = flsIDLE; fl_state = flsIDLE;
}
break; break;
} }
} }
@ -471,30 +420,4 @@ bool dfu_abort(void)
{ {
set_state(dfuIDLE, OK); set_state(dfuIDLE, OK);
return true; return true;
} }
/*
void MSC_Handler(void) {
uint32_t msc_irq_reason = MSC->IF;
if (msc_irq_reason & MSC_IF_WRITE) {
// Write the buffer word to the currently selected address.
// Note that after this is done, the address is incremented by 4.
if (fl_num_words > 0) {
fl_num_words--;
dfu_target_address += 4;
MSC->ADDRB = dfu_target_address;
ftfl_busy_wait();
MSC->WDATA = dfu_buffer[dfu_buffer_offset++];
MSC->WRITECMD = MSC_WRITECMD_WRITEONCE;
}
else {
// Move to the IDLE state only if we're out of data to write.
fl_state = flsIDLE;
}
}
// Clear iterrupts so we don't fire again.
MSC->IFC = MSC_IFC_ERASE | MSC_IFC_WRITE;
}
*/

69
sw/src/main.c
View File

@ -5,8 +5,11 @@
#include <usb.h> #include <usb.h>
#include <time.h> #include <time.h>
#include "spi.h"
#include <generated/csr.h> #include <generated/csr.h>
struct ff_spi *spi;
void isr(void) void isr(void)
{ {
unsigned int irqs; unsigned int irqs;
@ -38,6 +41,19 @@ static void init(void)
uart_init(); uart_init();
usb_init(); usb_init();
time_init(); time_init();
spi = spiAlloc();
spiSetPin(spi, SP_MOSI, 0);
spiSetPin(spi, SP_MISO, 1);
spiSetPin(spi, SP_WP, 2);
spiSetPin(spi, SP_HOLD, 3);
spiSetPin(spi, SP_CLK, 4);
spiSetPin(spi, SP_CS, 5);
spiSetPin(spi, SP_D0, 0);
spiSetPin(spi, SP_D1, 1);
spiSetPin(spi, SP_D2, 2);
spiSetPin(spi, SP_D3, 3);
spiInit(spi);
} }
static const char *usb_hw_api(void) { static const char *usb_hw_api(void) {
@ -63,22 +79,59 @@ int main(int argc, char **argv)
init(); init();
printf("\n\nUSB API: %s\n", usb_hw_api()); // // picospi_cfg_write(0);
// printf("Press any key to enable USB...\n"); // picospi_oe_write(0xff);
// picospi_do_write(0);
// usb_print_status(); // // uint8_t last_value = 0;
// printf("\nToggling: %02x ", picospi_oe_read());
// while (1) {
// // uint8_t new_value = picospi_di_read();
// // if (new_value != last_value) {
// // printf("SPI %02x -> %02x\n", last_value, new_value);
// // last_value = new_value;
// // }
// // picospi_oe_write(0xff);
// // printf("\b0");
// // picospi_oe_write(0x00);
// // printf("\b1");
// // picospi_do_write(0x00);
// // printf("\b0");
// // picospi_do_write(0xff);
// // printf("\b1");
// }
// printf("\nPress any key to read...");
// while(1) {
// uart_read();
// struct spi_id id = spiId(spi);
// printf("Manufacturer ID: %s (%02x)\n", id.manufacturer, id.manufacturer_id);
// if (id.manufacturer_id != id._manufacturer_id)
// printf("!! JEDEC Manufacturer ID: %02x\n",
// id._manufacturer_id);
// printf("Memory model: %s (%02x)\n", id.model, id.memory_type);
// printf("Memory size: %s (%02x)\n", id.capacity, id.memory_size);
// printf("Device ID: %02x\n", id.device_id);
// if (id.device_id != id.signature)
// printf("!! Electronic Signature: %02x\n", id.signature);
// printf("Serial number: %02x %02x %02x %02x\n", id.serial[0], id.serial[1], id.serial[2], id.serial[3]);
// printf("Status 1: %02x\n", spiReadStatus(spi, 1));
// printf("Status 2: %02x\n", spiReadStatus(spi, 2));
// printf("Status 3: %02x\n", spiReadStatus(spi, 3));
// }
// puts("\nPress any key to start...");
// uart_read(); // uart_read();
printf("Enabling USB\n");
// printf("\n\nUSB API: %s\n", usb_hw_api());
// puts("Enabling USB");
usb_connect(); usb_connect();
printf("USB enabled.\n"); // printf("USB enabled.\n");
// usb_print_status(); // usb_print_status();
int last = 0; int last = 0;
static uint8_t bfr[12];
while (1) while (1)
{ {
if (usb_irq_happened() != last) { if (usb_irq_happened() != last) {
last = usb_irq_happened(); last = usb_irq_happened();
printf("USB %d IRQ happened\n", last); // printf("USB %d IRQ happened\n", last);
} }
usb_poll(); usb_poll();
/* /*

27
sw/src/spi-gpio.c Normal file
View File

@ -0,0 +1,27 @@
#include <stdio.h>
#include <generated/csr.h>
#include "spi-gpio.h"
static uint8_t do_mirror;
static uint8_t oe_mirror;
void gpioSetMode(int pin, int mode) {
if (mode)
oe_mirror |= 1 << pin;
else
oe_mirror &= ~(1 << pin);
picospi_oe_write(oe_mirror);
}
void gpioWrite(int pin, int val) {
if (val)
do_mirror |= 1 << pin;
else
do_mirror &= ~(1 << pin);
picospi_do_write(do_mirror);
}
int gpioRead(int pin) {
return !!(picospi_di_read() & (1 << pin));
}

100
sw/src/spi.c
View File

@ -6,12 +6,14 @@
#include <sys/stat.h> #include <sys/stat.h>
#include <string.h> #include <string.h>
#include <stdlib.h> #include <stdlib.h>
#include <printf.h>
#include "spi.h" #include "spi.h"
#include "spi-gpio.h"
#define gpioSetMode(pin, mode) #define fprintf(...) do {} while(0)
#define gpioWrite(pin, val)
#define gpioRead(pin) #define SPI_ONLY_SINGLE
enum ff_spi_quirks { enum ff_spi_quirks {
// There is no separate "Write SR 2" command. Instead, // There is no separate "Write SR 2" command. Instead,
@ -53,15 +55,17 @@ static void spi_get_id(struct ff_spi *spi);
static void spi_set_state(struct ff_spi *spi, enum spi_state state) { static void spi_set_state(struct ff_spi *spi, enum spi_state state) {
if (spi->state == state) if (spi->state == state)
return; return;
#ifndef SPI_ONLY_SINGLE
switch (state) { switch (state) {
case SS_SINGLE: case SS_SINGLE:
#endif
gpioSetMode(spi->pins.clk, PI_OUTPUT); // CLK gpioSetMode(spi->pins.clk, PI_OUTPUT); // CLK
gpioSetMode(spi->pins.cs, PI_OUTPUT); // CE0# gpioSetMode(spi->pins.cs, PI_OUTPUT); // CE0#
gpioSetMode(spi->pins.mosi, PI_OUTPUT); // MOSI gpioSetMode(spi->pins.mosi, PI_OUTPUT); // MOSI
gpioSetMode(spi->pins.miso, PI_INPUT); // MISO gpioSetMode(spi->pins.miso, PI_INPUT); // MISO
gpioSetMode(spi->pins.hold, PI_OUTPUT); gpioSetMode(spi->pins.hold, PI_OUTPUT);
gpioSetMode(spi->pins.wp, PI_OUTPUT); gpioSetMode(spi->pins.wp, PI_OUTPUT);
#ifndef SPI_ONLY_SINGLE
break; break;
case SS_DUAL_RX: case SS_DUAL_RX:
@ -113,7 +117,7 @@ static void spi_set_state(struct ff_spi *spi, enum spi_state state) {
fprintf(stderr, "Unrecognized spi state\n"); fprintf(stderr, "Unrecognized spi state\n");
return; return;
} }
#endif
spi->state = state; spi->state = state;
} }
@ -140,7 +144,7 @@ void spiEnd(struct ff_spi *spi) {
static uint8_t spiXfer(struct ff_spi *spi, uint8_t out) { static uint8_t spiXfer(struct ff_spi *spi, uint8_t out) {
int bit; int bit;
uint8_t in = 0; uint8_t in = 0;
#if 0
for (bit = 7; bit >= 0; bit--) { for (bit = 7; bit >= 0; bit--) {
if (out & (1 << bit)) { if (out & (1 << bit)) {
gpioWrite(spi->pins.mosi, 1); gpioWrite(spi->pins.mosi, 1);
@ -154,7 +158,7 @@ static uint8_t spiXfer(struct ff_spi *spi, uint8_t out) {
gpioWrite(spi->pins.clk, 0); gpioWrite(spi->pins.clk, 0);
spiPause(spi); spiPause(spi);
} }
#endif
return in; return in;
} }
@ -169,7 +173,7 @@ static uint8_t spiSingleRx(struct ff_spi *spi) {
} }
static void spiDualTx(struct ff_spi *spi, uint8_t out) { static void spiDualTx(struct ff_spi *spi, uint8_t out) {
#if 0
int bit; int bit;
spi_set_state(spi, SS_DUAL_TX); spi_set_state(spi, SS_DUAL_TX);
for (bit = 7; bit >= 0; bit -= 2) { for (bit = 7; bit >= 0; bit -= 2) {
@ -191,11 +195,9 @@ static void spiDualTx(struct ff_spi *spi, uint8_t out) {
gpioWrite(spi->pins.clk, 0); gpioWrite(spi->pins.clk, 0);
spiPause(spi); spiPause(spi);
} }
#endif
} }
static void spiQuadTx(struct ff_spi *spi, uint8_t out) { static void spiQuadTx(struct ff_spi *spi, uint8_t out) {
#if 0
int bit; int bit;
spi_set_state(spi, SS_QUAD_TX); spi_set_state(spi, SS_QUAD_TX);
for (bit = 7; bit >= 0; bit -= 4) { for (bit = 7; bit >= 0; bit -= 4) {
@ -231,11 +233,9 @@ static void spiQuadTx(struct ff_spi *spi, uint8_t out) {
gpioWrite(spi->pins.clk, 0); gpioWrite(spi->pins.clk, 0);
spiPause(spi); spiPause(spi);
} }
#endif
} }
static uint8_t spiDualRx(struct ff_spi *spi) { static uint8_t spiDualRx(struct ff_spi *spi) {
#if 0
int bit; int bit;
uint8_t in = 0; uint8_t in = 0;
@ -267,7 +267,6 @@ static uint8_t spiQuadRx(struct ff_spi *spi) {
spiPause(spi); spiPause(spi);
} }
return in; return in;
#endif
} }
int spiTx(struct ff_spi *spi, uint8_t word) { int spiTx(struct ff_spi *spi, uint8_t word) {
@ -481,7 +480,7 @@ struct spi_id spiId(struct ff_spi *spi) {
} }
static void spi_decode_id(struct ff_spi *spi) { static void spi_decode_id(struct ff_spi *spi) {
#if 0
spi->id.manufacturer = "unknown"; spi->id.manufacturer = "unknown";
spi->id.model = "unknown"; spi->id.model = "unknown";
spi->id.capacity = "unknown"; spi->id.capacity = "unknown";
@ -506,12 +505,12 @@ static void spi_decode_id(struct ff_spi *spi) {
spi->id.bytes = 1 * 1024 * 1024; spi->id.bytes = 1 * 1024 * 1024;
} }
} }
#endif
return; return;
} }
static void spi_get_id(struct ff_spi *spi) { static void spi_get_id(struct ff_spi *spi) {
memset(&spi->id, 0xff, sizeof(spi->id)); // memset(&spi->id, 0xff, sizeof(spi->id));
spiBegin(spi); spiBegin(spi);
spiCommand(spi, 0x90); // Read manufacturer ID spiCommand(spi, 0x90); // Read manufacturer ID
@ -568,9 +567,11 @@ int spiSetType(struct ff_spi *spi, enum spi_type type) {
if (spi->type == type) if (spi->type == type)
return 0; return 0;
#ifndef SPI_ONLY_SINGLE
switch (type) { switch (type) {
case ST_SINGLE: case ST_SINGLE:
#endif
if (spi->type == ST_QPI) { if (spi->type == ST_QPI) {
spiBegin(spi); spiBegin(spi);
spiCommand(spi, 0xff); // Exit QPI Mode spiCommand(spi, 0xff); // Exit QPI Mode
@ -578,6 +579,7 @@ int spiSetType(struct ff_spi *spi, enum spi_type type) {
} }
spi->type = type; spi->type = type;
spi_set_state(spi, SS_SINGLE); spi_set_state(spi, SS_SINGLE);
#ifndef SPI_ONLY_SINGLE
break; break;
case ST_DUAL: case ST_DUAL:
@ -619,6 +621,7 @@ int spiSetType(struct ff_spi *spi, enum spi_type type) {
fprintf(stderr, "Unrecognized SPI type: %d\n", type); fprintf(stderr, "Unrecognized SPI type: %d\n", type);
return 1; return 1;
} }
#endif
return 0; return 0;
} }
@ -649,12 +652,12 @@ int spiRead(struct ff_spi *spi, uint32_t addr, uint8_t *data, unsigned int count
spiCommand(spi, 0x00); spiCommand(spi, 0x00);
for (i = 0; i < count; i++) { for (i = 0; i < count; i++) {
if ((i & 0x3fff) == 0) { if ((i & 0x3fff) == 0) {
printf("\rReading @ %06x / %06x", i, count); // printf("\rReading @ %06x / %06x", i, count);
fflush(stdout); fflush(stdout);
} }
data[i] = spiRx(spi); data[i] = spiRx(spi);
} }
printf("\rReading @ %06x / %06x Done\n", i, count); // printf("\rReading @ %06x / %06x Done\n", i, count);
spiEnd(spi); spiEnd(spi);
return 0; return 0;
@ -670,6 +673,43 @@ static int spi_wait_for_not_busy(struct ff_spi *spi) {
return 0; return 0;
} }
int spiIsBusy(struct ff_spi *spi) {
return spiReadStatus(spi, 1) & (1 << 0);
}
int spiBeginErase(struct ff_spi *spi, uint32_t erase_addr) {
spiBegin(spi);
spiCommand(spi, 0x52);
spiCommand(spi, erase_addr >> 16);
spiCommand(spi, erase_addr >> 8);
spiCommand(spi, erase_addr >> 0);
spiEnd(spi);
}
int spiBeginWrite(struct ff_spi *spi, uint32_t addr, const void *v_data, unsigned int count) {
uint8_t write_cmd = 0x02;
const uint8_t *data = v_data;
unsigned int i;
// Enable Write-Enable Latch (WEL)
spiBegin(spi);
spiCommand(spi, 0x06);
spiEnd(spi);
// uint8_t sr1 = spiReadStatus(spi, 1);
// if (!(sr1 & (1 << 1)))
// fprintf(stderr, "error: write-enable latch (WEL) not set, write will probably fail\n");
spiBegin(spi);
spiCommand(spi, write_cmd);
spiCommand(spi, addr >> 16);
spiCommand(spi, addr >> 8);
spiCommand(spi, addr >> 0);
for (i = 0; (i < count) && (i < 256); i++)
spiTx(spi, *data++);
spiEnd(spi);
}
void spiSwapTxRx(struct ff_spi *spi) { void spiSwapTxRx(struct ff_spi *spi) {
int tmp = spi->pins.mosi; int tmp = spi->pins.mosi;
spi->pins.mosi = spi->pins.miso; spi->pins.mosi = spi->pins.miso;
@ -691,7 +731,7 @@ int spiWrite(struct ff_spi *spi, uint32_t addr, const uint8_t *data, unsigned in
// Erase all applicable blocks // Erase all applicable blocks
uint32_t erase_addr; uint32_t erase_addr;
for (erase_addr = 0; erase_addr < count; erase_addr += 32768) { for (erase_addr = 0; erase_addr < count; erase_addr += 32768) {
printf("\rErasing @ %06x / %06x", erase_addr, count); // printf("\rErasing @ %06x / %06x", erase_addr, count);
fflush(stdout); fflush(stdout);
spiBegin(spi); spiBegin(spi);
@ -728,7 +768,7 @@ int spiWrite(struct ff_spi *spi, uint32_t addr, const uint8_t *data, unsigned in
int total = count; int total = count;
while (count) { while (count) {
printf("\rProgramming @ %06x / %06x", addr, total); // printf("\rProgramming @ %06x / %06x", addr, total);
fflush(stdout); fflush(stdout);
spiBegin(spi); spiBegin(spi);
spiCommand(spi, 0x06); spiCommand(spi, 0x06);
@ -750,8 +790,8 @@ int spiWrite(struct ff_spi *spi, uint32_t addr, const uint8_t *data, unsigned in
addr += i; addr += i;
spi_wait_for_not_busy(spi); spi_wait_for_not_busy(spi);
} }
printf("\rProgramming @ %06x / %06x", addr, total); // printf("\rProgramming @ %06x / %06x", addr, total);
printf(" Done\n"); // printf(" Done\n");
return 0; return 0;
} }
@ -771,7 +811,8 @@ uint8_t spiReset(struct ff_spi *spi) {
spiCommand(spi, 0x99); // "Reset Device" command spiCommand(spi, 0x99); // "Reset Device" command
spiEnd(spi); spiEnd(spi);
usleep(30); #pragma warn "Sleep for 30 ms here"
// usleep(30);
spiBegin(spi); spiBegin(spi);
spiCommand(spi, 0xab); // "Resume from Deep Power-Down" command spiCommand(spi, 0xab); // "Resume from Deep Power-Down" command
@ -807,9 +848,10 @@ int spiInit(struct ff_spi *spi) {
} }
struct ff_spi *spiAlloc(void) { struct ff_spi *spiAlloc(void) {
struct ff_spi *spi = (struct ff_spi *)malloc(sizeof(struct ff_spi)); static struct ff_spi spi;
memset(spi, 0, sizeof(*spi)); // struct ff_spi *spi = (struct ff_spi *)malloc(sizeof(struct ff_spi));
return spi; // memset(&spi, 0, sizeof(spi));
return &spi;
} }
void spiSetPin(struct ff_spi *spi, enum spi_pin pin, int val) { void spiSetPin(struct ff_spi *spi, enum spi_pin pin, int val) {
@ -845,7 +887,7 @@ void spiFree(struct ff_spi **spi) {
if (!*spi) if (!*spi)
return; return;
spi_set_state(*spi, SS_HARDWARE); spi_set_state(*spi, SS_HARDWARE);
free(*spi); // free(*spi);
*spi = NULL; // *spi = NULL;
} }

2
sw/src/toboot.c
View File

@ -26,7 +26,7 @@ uint32_t tb_first_free_address(void) {
} }
uint32_t tb_config_hash(const struct toboot_configuration *cfg) { uint32_t tb_config_hash(const struct toboot_configuration *cfg) {
return XXH32(cfg, sizeof(*cfg) - 4, TOBOOT_HASH_SEED); return 0;//XXH32(cfg, sizeof(*cfg) - 4, TOBOOT_HASH_SEED);
} }
void tb_sign_config(struct toboot_configuration *cfg) { void tb_sign_config(struct toboot_configuration *cfg) {

8
sw/src/usb-desc.c
View File

@ -104,7 +104,7 @@ static const uint8_t config_descriptor[CONFIG_DESC_SIZE] = {
MSB(CONFIG_DESC_SIZE), MSB(CONFIG_DESC_SIZE),
NUM_INTERFACE, // bNumInterfaces NUM_INTERFACE, // bNumInterfaces
1, // bConfigurationValue 1, // bConfigurationValue
2, // iConfiguration 1, // iConfiguration
0x80, // bmAttributes 0x80, // bmAttributes
50, // bMaxPower 50, // bMaxPower
@ -119,7 +119,7 @@ static const uint8_t config_descriptor[CONFIG_DESC_SIZE] = {
0x02, // bInterfaceProtocol 0x02, // bInterfaceProtocol
2, // iInterface 2, // iInterface
// DFU Functional Descriptor (DFU spec TAble 4.2) // DFU Functional Descriptor (DFU spec Table 4.2)
9, // bLength 9, // bLength
0x21, // bDescriptorType 0x21, // bDescriptorType
0x0D, // bmAttributes 0x0D, // bmAttributes
@ -223,7 +223,7 @@ const usb_descriptor_list_t usb_descriptor_list[] = {
{0x0300, 0, (const uint8_t *)&string0}, {0x0300, 0, (const uint8_t *)&string0},
{0x0301, 0, (const uint8_t *)&usb_string_manufacturer_name}, {0x0301, 0, (const uint8_t *)&usb_string_manufacturer_name},
{0x0302, 0, (const uint8_t *)&usb_string_product_name}, {0x0302, 0, (const uint8_t *)&usb_string_product_name},
{0x03EE, 0, (const uint8_t *)&usb_string_microsoft}, // {0x03EE, 0, (const uint8_t *)&usb_string_microsoft},
{0x0F00, sizeof(full_bos), (const uint8_t *)&full_bos}, // {0x0F00, sizeof(full_bos), (const uint8_t *)&full_bos},
{0, 0, NULL} {0, 0, NULL}
}; };

35
sw/src/usb-dev.c
View File

@ -29,6 +29,8 @@ void usb_setup(struct usb_device *dev, const struct usb_setup_request *setup)
case 0x0900: // SET_CONFIGURATION case 0x0900: // SET_CONFIGURATION
usb_configuration = setup->wValue; usb_configuration = setup->wValue;
break; break;
case 0x0b01: // SET_INTERFACE
break;
case 0x0880: // GET_CONFIGURATION case 0x0880: // GET_CONFIGURATION
reply_buffer[0] = usb_configuration; reply_buffer[0] = usb_configuration;
datalen = 1; datalen = 1;
@ -43,7 +45,7 @@ void usb_setup(struct usb_device *dev, const struct usb_setup_request *setup)
case 0x0082: // GET_STATUS (endpoint) case 0x0082: // GET_STATUS (endpoint)
if (setup->wIndex > 0) if (setup->wIndex > 0)
{ {
printf("get_status (setup->wIndex: %d)\n", setup->wIndex); // printf("get_status (setup->wIndex: %d)\n", setup->wIndex);
usb_err(dev, 0); usb_err(dev, 0);
return; return;
} }
@ -60,7 +62,7 @@ void usb_setup(struct usb_device *dev, const struct usb_setup_request *setup)
if (setup->wIndex > 0 || setup->wValue != 0) if (setup->wIndex > 0 || setup->wValue != 0)
{ {
// TODO: do we need to handle IN vs OUT here? // TODO: do we need to handle IN vs OUT here?
printf("%s:%d clear feature (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue); // printf("%s:%d clear feature (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue);
usb_err(dev, 0); usb_err(dev, 0);
return; return;
} }
@ -72,7 +74,7 @@ void usb_setup(struct usb_device *dev, const struct usb_setup_request *setup)
if (setup->wIndex > 0 || setup->wValue != 0) if (setup->wIndex > 0 || setup->wValue != 0)
{ {
// TODO: do we need to handle IN vs OUT here? // TODO: do we need to handle IN vs OUT here?
printf("%s:%d clear feature (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue); // printf("%s:%d clear feature (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue);
usb_err(dev, 0); usb_err(dev, 0);
return; return;
} }
@ -103,10 +105,10 @@ void usb_setup(struct usb_device *dev, const struct usb_setup_request *setup)
goto send; goto send;
} }
} }
printf("%s:%d couldn't find descriptor %04x (%d / %d)\n", __FILE__, __LINE__, setup->wValue, setup->wIndex, setup->wValue); // printf("%s:%d couldn't find descriptor %04x (%d / %d)\n", __FILE__, __LINE__, setup->wValue, setup->wIndex, setup->wValue);
usb_err(dev, 0); usb_err(dev, 0);
return; return;
#if 0
case (MSFT_VENDOR_CODE << 8) | 0xC0: // Get Microsoft descriptor case (MSFT_VENDOR_CODE << 8) | 0xC0: // Get Microsoft descriptor
case (MSFT_VENDOR_CODE << 8) | 0xC1: case (MSFT_VENDOR_CODE << 8) | 0xC1:
if (setup->wIndex == 0x0004) if (setup->wIndex == 0x0004)
@ -116,7 +118,7 @@ void usb_setup(struct usb_device *dev, const struct usb_setup_request *setup)
datalen = MSFT_WCID_LEN; datalen = MSFT_WCID_LEN;
break; break;
} }
printf("%s:%d couldn't find microsoft descriptor (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue); // printf("%s:%d couldn't find microsoft descriptor (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue);
usb_err(dev, 0); usb_err(dev, 0);
return; return;
@ -131,14 +133,15 @@ void usb_setup(struct usb_device *dev, const struct usb_setup_request *setup)
break; break;
} }
} }
printf("%s:%d couldn't find webusb descriptor (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue); // printf("%s:%d couldn't find webusb descriptor (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue);
usb_err(dev, 0); usb_err(dev, 0);
return; return;
#endif
case 0x0121: // DFU_DNLOAD case 0x0121: // DFU_DNLOAD
if (setup->wIndex > 0) if (setup->wIndex > 0)
{ {
printf("%s:%d dfu download descriptor index invalid (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue); // printf("%s:%d dfu download descriptor index invalid (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue);
usb_err(dev, 0); usb_err(dev, 0);
return; return;
} }
@ -162,7 +165,7 @@ void usb_setup(struct usb_device *dev, const struct usb_setup_request *setup)
case 0x03a1: // DFU_GETSTATUS case 0x03a1: // DFU_GETSTATUS
if (setup->wIndex > 0) if (setup->wIndex > 0)
{ {
printf("%s:%d err (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue); // printf("%s:%d err (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue);
usb_err(dev, 0); usb_err(dev, 0);
return; return;
} }
@ -174,7 +177,7 @@ void usb_setup(struct usb_device *dev, const struct usb_setup_request *setup)
} }
else else
{ {
printf("%s:%d err (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue); // printf("%s:%d err (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue);
usb_err(dev, 0); usb_err(dev, 0);
return; return;
} }
@ -183,7 +186,7 @@ void usb_setup(struct usb_device *dev, const struct usb_setup_request *setup)
case 0x0421: // DFU_CLRSTATUS case 0x0421: // DFU_CLRSTATUS
if (setup->wIndex > 0) if (setup->wIndex > 0)
{ {
printf("%s:%d err (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue); // printf("%s:%d err (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue);
usb_err(dev, 0); usb_err(dev, 0);
return; return;
} }
@ -193,7 +196,7 @@ void usb_setup(struct usb_device *dev, const struct usb_setup_request *setup)
} }
else else
{ {
printf("%s:%d err (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue); // printf("%s:%d err (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue);
usb_err(dev, 0); usb_err(dev, 0);
return; return;
} }
@ -201,7 +204,7 @@ void usb_setup(struct usb_device *dev, const struct usb_setup_request *setup)
case 0x05a1: // DFU_GETSTATE case 0x05a1: // DFU_GETSTATE
if (setup->wIndex > 0) if (setup->wIndex > 0)
{ {
printf("%s:%d err (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue); // printf("%s:%d err (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue);
usb_err(dev, 0); usb_err(dev, 0);
return; return;
} }
@ -213,7 +216,7 @@ void usb_setup(struct usb_device *dev, const struct usb_setup_request *setup)
case 0x0621: // DFU_ABORT case 0x0621: // DFU_ABORT
if (setup->wIndex > 0) if (setup->wIndex > 0)
{ {
printf("%s:%d err (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue); // printf("%s:%d err (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue);
usb_err(dev, 0); usb_err(dev, 0);
return; return;
} }
@ -223,13 +226,13 @@ void usb_setup(struct usb_device *dev, const struct usb_setup_request *setup)
} }
else else
{ {
printf("%s:%d err (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue); // printf("%s:%d err (%d / %d)\n", __FILE__, __LINE__, setup->wIndex, setup->wValue);
usb_err(dev, 0); usb_err(dev, 0);
return; return;
} }
default: default:
printf("%s:%d unrecognized request type (%04x) value: %02x index: %02x\n", __FILE__, __LINE__, setup->wRequestAndType, setup->wIndex, setup->wValue); // printf("%s:%d unrecognized request type (%04x) value: %02x index: %02x\n", __FILE__, __LINE__, setup->wRequestAndType, setup->wIndex, setup->wValue);
usb_err(dev, 0); usb_err(dev, 0);
return; return;
} }

26
sw/src/usb-epfifo.c
View File

@ -28,7 +28,7 @@ enum USB_PID {
#define NUM_BUFFERS 4 #define NUM_BUFFERS 4
#define BUFFER_SIZE 64 #define BUFFER_SIZE 64
#define EP_INTERVAL_MS 6 #define EP_INTERVAL_MS 6
static const char hex[] = "0123456789abcdef"; //static const char hex[] = "0123456789abcdef";
enum epfifo_response { enum epfifo_response {
EPF_ACK = 0, EPF_ACK = 0,
@ -119,16 +119,16 @@ int usb_send(struct usb_device *dev, int epnum, const void *data, int total_coun
control_state = IN_DATA; control_state = IN_DATA;
queue_more_data(epnum); queue_more_data(epnum);
printf("Sending %d bytes to EP%d: [", total_count, epnum); // printf("Sending %d bytes to EP%d: [", total_count, epnum);
int i; // int i;
const uint8_t *u8data = data; // const uint8_t *u8data = data;
for (i = 0; i < total_count; i++) { // for (i = 0; i < total_count; i++) {
if (i) // if (i)
printf(" "); // printf(" ");
printf("%02x", u8data[i] & 0xff); // printf("%02x", u8data[i] & 0xff);
} // }
printf("]\n"); // printf("]\n");
return 0; return 0;
} }
@ -206,7 +206,7 @@ int usb_ack(struct usb_device *dev, int epnum) {
int usb_err(struct usb_device *dev, int epnum) { int usb_err(struct usb_device *dev, int epnum) {
(void)dev; (void)dev;
(void)epnum; (void)epnum;
printf("STALLING!!!\n"); puts("STALLING!!!");
usb_ep_0_out_respond_write(EPF_STALL); usb_ep_0_out_respond_write(EPF_STALL);
usb_ep_0_in_respond_write(EPF_STALL); usb_ep_0_in_respond_write(EPF_STALL);
} }
@ -235,6 +235,7 @@ void usb_poll(void) {
} }
int byte_count = usb_ep0out_buffer_len[usb_ep0out_rd_ptr]; int byte_count = usb_ep0out_buffer_len[usb_ep0out_rd_ptr];
/*
if (byte_count) { if (byte_count) {
printf("read %d %02x bytes: [", byte_count, usb_ep0out_last_tok[usb_ep0out_rd_ptr]); printf("read %d %02x bytes: [", byte_count, usb_ep0out_last_tok[usb_ep0out_rd_ptr]);
unsigned int i; unsigned int i;
@ -251,6 +252,7 @@ void usb_poll(void) {
else { else {
printf("read no bytes\n"); printf("read no bytes\n");
} }
*/
usb_ep0out_buffer_len[usb_ep0out_rd_ptr] = 0; usb_ep0out_buffer_len[usb_ep0out_rd_ptr] = 0;
usb_ep0out_rd_ptr = (usb_ep0out_rd_ptr + 1) & (EP0OUT_BUFFERS-1); usb_ep0out_rd_ptr = (usb_ep0out_rd_ptr + 1) & (EP0OUT_BUFFERS-1);
} }
@ -280,6 +282,7 @@ void usb_poll(void) {
// usb_ack(NULL, 0); // usb_ack(NULL, 0);
} }
#if 0
void usb_print_status(void) { void usb_print_status(void) {
while (usb_ep0out_rd_ptr != usb_ep0out_wr_ptr) { while (usb_ep0out_rd_ptr != usb_ep0out_wr_ptr) {
// printf("current_data: 0x%08x\n", current_data); // printf("current_data: 0x%08x\n", current_data);
@ -302,5 +305,6 @@ void usb_print_status(void) {
usb_ep0out_rd_ptr = (usb_ep0out_rd_ptr + 1) & (EP0OUT_BUFFERS-1); usb_ep0out_rd_ptr = (usb_ep0out_rd_ptr + 1) & (EP0OUT_BUFFERS-1);
} }
} }
#endif
#endif /* CSR_USB_EP_0_OUT_EV_PENDING_ADDR */ #endif /* CSR_USB_EP_0_OUT_EV_PENDING_ADDR */