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rename iMX-RT

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This commit is contained in:
Sergio R. Caprile
2023-11-15 19:27:20 -03:00
parent d70d9aff11
commit c8f207c277
19 changed files with 135 additions and 117 deletions
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examples/arduino/teensy41-http/mongoose_custom.h
+1 -1
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@@ -2,7 +2,7 @@
#define MG_ARCH MG_ARCH_NEWLIB // Use ARM toolchain
#define MG_ENABLE_TCPIP 1 // Enable built-in network stack
#define MG_ENABLE_DRIVER_RT1020 1 // Enable RTxx driver
#define MG_ENABLE_DRIVER_IMXRT 1 // Enable RTxx driver
#define MG_ENABLE_CUSTOM_MILLIS 1 // Let user implement mg_millis()
#define MG_ENABLE_FILE 0 // Disable POSIX filesystem
#define MG_ENABLE_PACKED_FS 1 // Enable packed filesystem
examples/arduino/teensy41-http/teensy41-http.ino
+2 -2
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@@ -3,7 +3,7 @@
void ethernet_init(void);
struct mg_mgr mgr;
struct mg_tcpip_driver_rt1020_data data = {.mdc_cr = 24, .phy_addr = 0};
struct mg_tcpip_driver_imxrt_data data = {.mdc_cr = 24, .phy_addr = 0};
struct mg_tcpip_if mif = {
// Construct MAC address from the unique chip ID
.mac = {2, (uint8_t) (HW_OCOTP_CFG0 & 255),
@@ -15,7 +15,7 @@ struct mg_tcpip_if mif = {
// .ip = mg_htonl(MG_U32(192, 168, 0, 223)),
// .mask = mg_htonl(MG_U32(255, 255, 255, 0)),
// .gw = mg_htonl(MG_U32(192, 168, 0, 1)),
.driver = &mg_tcpip_driver_rt1020,
.driver = &mg_tcpip_driver_imxrt,
.driver_data = &data};
uint64_t mg_millis(void) { // Let Mongoose use our uptime function
examples/nxp/rt1020-evk-make-baremetal-builtin/main.c
+2 -3
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@@ -65,14 +65,13 @@ int main(void) {
mg_log_set(MG_LL_DEBUG); // Set log level
// Initialise Mongoose network stack
struct mg_tcpip_driver_rt1020_data driver_data = {.mdc_cr = 24,
.phy_addr = 2};
struct mg_tcpip_driver_imxrt_data driver_data = {.mdc_cr = 24, .phy_addr = 2};
struct mg_tcpip_if mif = {.mac = GENERATE_LOCALLY_ADMINISTERED_MAC(),
// Uncomment below for static configuration:
// .ip = mg_htonl(MG_U32(192, 168, 0, 223)),
// .mask = mg_htonl(MG_U32(255, 255, 255, 0)),
// .gw = mg_htonl(MG_U32(192, 168, 0, 1)),
.driver = &mg_tcpip_driver_rt1020,
.driver = &mg_tcpip_driver_imxrt,
.driver_data = &driver_data};
mg_tcpip_init(&mgr, &mif);
mg_timer_add(&mgr, BLINK_PERIOD_MS, MG_TIMER_REPEAT, timer_fn, &mif);
examples/nxp/rt1020-evk-make-baremetal-builtin/mongoose_custom.h
+1 -1
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@@ -4,7 +4,7 @@
#define MG_ARCH MG_ARCH_NEWLIB
#define MG_ENABLE_TCPIP 1
#define MG_ENABLE_DRIVER_RT1020 1
#define MG_ENABLE_DRIVER_IMXRT 1
#define MG_IO_SIZE 256
#define MG_ENABLE_CUSTOM_MILLIS 1
#define MG_ENABLE_CUSTOM_RANDOM 1
examples/nxp/rt1020-evk-make-freertos-builtin/main.c
+2 -3
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@@ -51,14 +51,13 @@ static void server(void *args) {
// Initialise Mongoose network stack
ethernet_init();
struct mg_tcpip_driver_rt1020_data driver_data = {.mdc_cr = 24,
.phy_addr = 2};
struct mg_tcpip_driver_imxrt_data driver_data = {.mdc_cr = 24, .phy_addr = 2};
struct mg_tcpip_if mif = {.mac = GENERATE_LOCALLY_ADMINISTERED_MAC(),
// Uncomment below for static configuration:
// .ip = mg_htonl(MG_U32(192, 168, 0, 223)),
// .mask = mg_htonl(MG_U32(255, 255, 255, 0)),
// .gw = mg_htonl(MG_U32(192, 168, 0, 1)),
.driver = &mg_tcpip_driver_rt1020,
.driver = &mg_tcpip_driver_imxrt,
.driver_data = &driver_data};
mg_tcpip_init(&mgr, &mif);
mg_timer_add(&mgr, BLINK_PERIOD_MS, MG_TIMER_REPEAT, timer_fn, &mif);
examples/nxp/rt1020-evk-make-freertos-builtin/mongoose_custom.h
+1 -1
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@@ -6,7 +6,7 @@
#define MG_ARCH MG_ARCH_FREERTOS
#define MG_ENABLE_TCPIP 1
#define MG_ENABLE_DRIVER_RT1020 1
#define MG_ENABLE_DRIVER_IMXRT 1
#define MG_IO_SIZE 256
#define MG_ENABLE_CUSTOM_RANDOM 1
#define MG_ENABLE_PACKED_FS 1
examples/nxp/rt1060-evk-make-baremetal-builtin/main.c
+2 -3
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@@ -42,14 +42,13 @@ int main(void) {
mg_log_set(MG_LL_DEBUG); // Set log level
// Initialise Mongoose network stack
struct mg_tcpip_driver_rt1020_data driver_data = {.mdc_cr = 24,
.phy_addr = 2};
struct mg_tcpip_driver_imxrt_data driver_data = {.mdc_cr = 24, .phy_addr = 2};
struct mg_tcpip_if mif = {.mac = GENERATE_LOCALLY_ADMINISTERED_MAC(),
// Uncomment below for static configuration:
// .ip = mg_htonl(MG_U32(192, 168, 0, 223)),
// .mask = mg_htonl(MG_U32(255, 255, 255, 0)),
// .gw = mg_htonl(MG_U32(192, 168, 0, 1)),
.driver = &mg_tcpip_driver_rt1020,
.driver = &mg_tcpip_driver_imxrt,
.driver_data = &driver_data};
mg_tcpip_init(&mgr, &mif);
mg_timer_add(&mgr, BLINK_PERIOD_MS, MG_TIMER_REPEAT, timer_fn, &mif);
examples/nxp/rt1060-evk-make-baremetal-builtin/mongoose_custom.h
+1 -1
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@@ -4,7 +4,7 @@
#define MG_ARCH MG_ARCH_NEWLIB
#define MG_ENABLE_TCPIP 1
#define MG_ENABLE_DRIVER_RT1020 1
#define MG_ENABLE_DRIVER_IMXRT 1
#define MG_IO_SIZE 256
#define MG_ENABLE_CUSTOM_MILLIS 1
#define MG_ENABLE_CUSTOM_RANDOM 1
examples/nxp/rt1060-evk-make-freertos-builtin/main.c
+2 -3
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@@ -29,14 +29,13 @@ static void server(void *args) {
// Initialise Mongoose network stack
ethernet_init();
struct mg_tcpip_driver_rt1020_data driver_data = {.mdc_cr = 24,
.phy_addr = 2};
struct mg_tcpip_driver_imxrt_data driver_data = {.mdc_cr = 24, .phy_addr = 2};
struct mg_tcpip_if mif = {.mac = GENERATE_LOCALLY_ADMINISTERED_MAC(),
// Uncomment below for static configuration:
// .ip = mg_htonl(MG_U32(192, 168, 0, 223)),
// .mask = mg_htonl(MG_U32(255, 255, 255, 0)),
// .gw = mg_htonl(MG_U32(192, 168, 0, 1)),
.driver = &mg_tcpip_driver_rt1020,
.driver = &mg_tcpip_driver_imxrt,
.driver_data = &driver_data};
mg_tcpip_init(&mgr, &mif);
mg_timer_add(&mgr, BLINK_PERIOD_MS, MG_TIMER_REPEAT, timer_fn, &mif);
examples/nxp/rt1060-evk-make-freertos-builtin/mongoose_custom.h
+1 -1
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@@ -6,7 +6,7 @@
#define MG_ARCH MG_ARCH_FREERTOS
#define MG_ENABLE_TCPIP 1
#define MG_ENABLE_DRIVER_RT1020 1
#define MG_ENABLE_DRIVER_IMXRT 1
#define MG_IO_SIZE 256
#define MG_ENABLE_CUSTOM_RANDOM 1
#define MG_ENABLE_PACKED_FS 1
mongoose.c
+58 -47
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@@ -8641,13 +8641,12 @@ static size_t cmsis_rx(void *buf, size_t buflen, struct mg_tcpip_if *ifp) {
#endif
#ifdef MG_ENABLE_LINES
#line 1 "src/drivers/rt1020.c"
#line 1 "src/drivers/imxrt.c"
#endif
#if MG_ENABLE_TCPIP && defined(MG_ENABLE_DRIVER_RT1020) && \
MG_ENABLE_DRIVER_RT1020
struct rt1020_enet {
#if MG_ENABLE_TCPIP && defined(MG_ENABLE_DRIVER_IMXRT) && MG_ENABLE_DRIVER_IMXRT
struct imxrt_enet {
volatile uint32_t RESERVED0, EIR, EIMR, RESERVED1, RDAR, TDAR, RESERVED2[3],
ECR, RESERVED3[6], MMFR, MSCR, RESERVED4[7], MIBC, RESERVED5[7], RCR,
RESERVED6[15], TCR, RESERVED7[7], PALR, PAUR, OPD, TXIC0, TXIC1, TXIC2,
@@ -8672,12 +8671,12 @@ struct rt1020_enet {
};
#undef ENET
#define ENET ((struct rt1020_enet *) (uintptr_t) 0x402D8000U)
#define ENET ((struct imxrt_enet *) (uintptr_t) 0x402D8000U)
#define ETH_PKT_SIZE 1536 // Max frame size, 64-bit aligned
#define ETH_DESC_CNT 4 // Descriptors count
struct rt10xx_desc {
struct enet_desc {
uint16_t length; // Data length
uint16_t control; // Control and status
uint32_t *buffer; // Data ptr
@@ -8688,40 +8687,40 @@ struct rt10xx_desc {
// Descriptors: in non-cached area (TODO(scaprile)), 64-bit aligned
// Buffers: 64-bit aligned
static volatile struct rt10xx_desc s_rxdesc[ETH_DESC_CNT] MG_64BIT_ALIGNED;
static volatile struct rt10xx_desc s_txdesc[ETH_DESC_CNT] MG_64BIT_ALIGNED;
static volatile struct enet_desc s_rxdesc[ETH_DESC_CNT] MG_64BIT_ALIGNED;
static volatile struct enet_desc s_txdesc[ETH_DESC_CNT] MG_64BIT_ALIGNED;
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_64BIT_ALIGNED;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_64BIT_ALIGNED;
static struct mg_tcpip_if *s_ifp; // MIP interface
enum { PHY_BCR = 0, PHY_BSR = 1, PHY_ID1 = 2, PHY_ID2 = 3 };
static uint16_t rt10xx_phy_read(uint8_t addr, uint8_t reg) {
static uint16_t enet_phy_read(uint8_t addr, uint8_t reg) {
ENET->EIR |= MG_BIT(23); // MII interrupt clear
ENET->MMFR = (1 << 30) | (2 << 28) | (addr << 23) | (reg << 18) | (2 << 16);
while ((ENET->EIR & MG_BIT(23)) == 0) (void) 0;
return ENET->MMFR & 0xffff;
}
static void rt10xx_phy_write(uint8_t addr, uint8_t reg, uint16_t val) {
static void enet_phy_write(uint8_t addr, uint8_t reg, uint16_t val) {
ENET->EIR |= MG_BIT(23); // MII interrupt clear
ENET->MMFR =
(1 << 30) | (1 << 28) | (addr << 23) | (reg << 18) | (2 << 16) | val;
while ((ENET->EIR & MG_BIT(23)) == 0) (void) 0;
}
static uint32_t rt10xx_phy_id(uint8_t addr) {
uint16_t phy_id1 = rt10xx_phy_read(addr, PHY_ID1);
uint16_t phy_id2 = rt10xx_phy_read(addr, PHY_ID2);
static uint32_t enet_phy_id(uint8_t addr) {
uint16_t phy_id1 = enet_phy_read(addr, PHY_ID1);
uint16_t phy_id2 = enet_phy_read(addr, PHY_ID2);
return (uint32_t) phy_id1 << 16 | phy_id2;
}
// MDC clock is generated from IPS Bus clock (ipg_clk); as per 802.3,
// it must not exceed 2.5MHz
// The PHY receives the PLL6-generated 50MHz clock
static bool mg_tcpip_driver_rt1020_init(struct mg_tcpip_if *ifp) {
struct mg_tcpip_driver_rt1020_data *d =
(struct mg_tcpip_driver_rt1020_data *) ifp->driver_data;
static bool mg_tcpip_driver_imxrt_init(struct mg_tcpip_if *ifp) {
struct mg_tcpip_driver_imxrt_data *d =
(struct mg_tcpip_driver_imxrt_data *) ifp->driver_data;
s_ifp = ifp;
// Init RX descriptors
@@ -8746,22 +8745,22 @@ static bool mg_tcpip_driver_rt1020_init(struct mg_tcpip_if *ifp) {
int cr = (d == NULL || d->mdc_cr < 0) ? 24 : d->mdc_cr;
ENET->MSCR = (1 << 8) | ((cr & 0x3f) << 1); // HOLDTIME 2 clks
rt10xx_phy_write(d->phy_addr, PHY_BCR, MG_BIT(15)); // Reset PHY
rt10xx_phy_write(d->phy_addr, PHY_BCR, MG_BIT(12)); // Set autonegotiation
enet_phy_write(d->phy_addr, PHY_BCR, MG_BIT(15)); // Reset PHY
enet_phy_write(d->phy_addr, PHY_BCR, MG_BIT(12)); // Set autonegotiation
// PHY: Enable 50 MHz external ref clock at XI (preserve defaults)
uint32_t id = rt10xx_phy_id(d->phy_addr);
uint32_t id = enet_phy_id(d->phy_addr);
MG_INFO(("PHY ID: %#04x %#04x", (uint16_t) (id >> 16), (uint16_t) id));
// 2000 a140 - TI DP83825I
// 0007 c0fx - LAN8720
// 0022 1561 - KSZ8081RNB
if ((id & 0xffff0000) == 0x220000) { // KSZ8081RNB, like EVK-RTxxxx boards
rt10xx_phy_write(d->phy_addr, 31,
MG_BIT(15) | MG_BIT(8) | MG_BIT(7)); // PC2R
enet_phy_write(d->phy_addr, 31,
MG_BIT(15) | MG_BIT(8) | MG_BIT(7)); // PC2R
} else if ((id & 0xffff0000) == 0x20000000) { // DP83825I, like Teensy4.1
rt10xx_phy_write(d->phy_addr, 23, 0x81); // 50MHz clock input
rt10xx_phy_write(d->phy_addr, 24, 0x280); // LED status, active high
enet_phy_write(d->phy_addr, 23, 0x81); // 50MHz clock input
enet_phy_write(d->phy_addr, 24, 0x280); // LED status, active high
} else { // Default to LAN8720
MG_INFO(("Defaulting to LAN8720 PHY...")); // TODO()
}
@@ -8787,8 +8786,8 @@ static bool mg_tcpip_driver_rt1020_init(struct mg_tcpip_if *ifp) {
}
// Transmit frame
static size_t mg_tcpip_driver_rt1020_tx(const void *buf, size_t len,
struct mg_tcpip_if *ifp) {
static size_t mg_tcpip_driver_imxrt_tx(const void *buf, size_t len,
struct mg_tcpip_if *ifp) {
static int s_txno; // Current descriptor index
if (len > sizeof(s_txbuf[ETH_DESC_CNT])) {
ifp->nerr++;
@@ -8810,27 +8809,30 @@ static size_t mg_tcpip_driver_rt1020_tx(const void *buf, size_t len,
return len;
}
static bool mg_tcpip_driver_rt1020_up(struct mg_tcpip_if *ifp) {
struct mg_tcpip_driver_rt1020_data *d =
(struct mg_tcpip_driver_rt1020_data *) ifp->driver_data;
uint32_t bsr = rt10xx_phy_read(d->phy_addr, PHY_BSR);
static bool mg_tcpip_driver_imxrt_up(struct mg_tcpip_if *ifp) {
struct mg_tcpip_driver_imxrt_data *d =
(struct mg_tcpip_driver_imxrt_data *) ifp->driver_data;
uint32_t bsr = enet_phy_read(d->phy_addr, PHY_BSR);
bool up = bsr & MG_BIT(2) ? 1 : 0;
if ((ifp->state == MG_TCPIP_STATE_DOWN) && up) { // link state just went up
uint32_t tcr = ENET->TCR | MG_BIT(2); // Full-duplex
uint32_t rcr = ENET->RCR & ~MG_BIT(9); // 100M
uint32_t phy_id = rt10xx_phy_id(d->phy_addr);
if ((phy_id & 0xffff0000) == 0x220000) { // KSZ8081RNB
uint16_t pc1r = rt10xx_phy_read(d->phy_addr, 30); // Read PC1R
if ((pc1r & 3) == 1) rcr |= MG_BIT(9); // 10M
if ((pc1r & MG_BIT(2)) == 0) tcr &= ~MG_BIT(2); // Half-duplex
} else if ((phy_id & 0xffff0000) == 0x20000000) { // DP83825I
uint16_t physts = rt10xx_phy_read(d->phy_addr, 16); // Read PHYSTS
if (physts & MG_BIT(1)) rcr |= MG_BIT(9); // 10M
if ((physts & MG_BIT(2)) == 0) tcr &= ~MG_BIT(2); // Half-duplex
} else { // Default to LAN8720
uint16_t scsr = rt10xx_phy_read(d->phy_addr, 31); // Read CSCR
if ((scsr & MG_BIT(3)) == 0) rcr |= MG_BIT(9); // 10M
if ((scsr & MG_BIT(4)) == 0) tcr &= ~MG_BIT(2); // Half-duplex
// tmp = reg with flags set to the most likely situation: 100M full-duplex
// if(link is slow or half) set flags otherwise
// reg = tmp
uint32_t tcr = ENET->TCR | MG_BIT(2); // Full-duplex
uint32_t rcr = ENET->RCR & ~MG_BIT(9); // 100M
uint32_t phy_id = enet_phy_id(d->phy_addr);
if ((phy_id & 0xffff0000) == 0x220000) { // KSZ8081RNB
uint16_t pc1r = enet_phy_read(d->phy_addr, 30); // Read PC1R
if ((pc1r & 3) == 1) rcr |= MG_BIT(9); // 10M
if ((pc1r & MG_BIT(2)) == 0) tcr &= ~MG_BIT(2); // Half-duplex
} else if ((phy_id & 0xffff0000) == 0x20000000) { // DP83825I
uint16_t physts = enet_phy_read(d->phy_addr, 16); // Read PHYSTS
if (physts & MG_BIT(1)) rcr |= MG_BIT(9); // 10M
if ((physts & MG_BIT(2)) == 0) tcr &= ~MG_BIT(2); // Half-duplex
} else { // Default to LAN8720
uint16_t scsr = enet_phy_read(d->phy_addr, 31); // Read CSCR
if ((scsr & MG_BIT(3)) == 0) rcr |= MG_BIT(9); // 10M
if ((scsr & MG_BIT(4)) == 0) tcr &= ~MG_BIT(2); // Half-duplex
}
ENET->TCR = tcr; // IRQ handler does not fiddle with these registers
ENET->RCR = rcr;
@@ -8861,9 +8863,9 @@ void ENET_IRQHandler(void) {
// If b24 == 0, descriptors were exhausted and probably frames were dropped
}
struct mg_tcpip_driver mg_tcpip_driver_rt1020 = {
mg_tcpip_driver_rt1020_init, mg_tcpip_driver_rt1020_tx, NULL,
mg_tcpip_driver_rt1020_up};
struct mg_tcpip_driver mg_tcpip_driver_imxrt = {mg_tcpip_driver_imxrt_init,
mg_tcpip_driver_imxrt_tx, NULL,
mg_tcpip_driver_imxrt_up};
#endif
@@ -9273,6 +9275,9 @@ static bool mg_tcpip_driver_stm32_up(struct mg_tcpip_if *ifp) {
bool up = bsr & BIT(2) ? 1 : 0;
if ((ifp->state == MG_TCPIP_STATE_DOWN) && up) { // link state just went up
uint32_t scsr = eth_read_phy(PHY_ADDR, PHY_CSCR);
// tmp = reg with flags set to the most likely situation: 100M full-duplex
// if(link is slow or half) set flags otherwise
// reg = tmp
uint32_t maccr = ETH->MACCR | BIT(14) | BIT(11); // 100M, Full-duplex
if ((scsr & BIT(3)) == 0) maccr &= ~BIT(14); // 10M
if ((scsr & BIT(4)) == 0) maccr &= ~BIT(11); // Half-duplex
@@ -9550,6 +9555,9 @@ static bool mg_tcpip_driver_stm32h_up(struct mg_tcpip_if *ifp) {
bool up = bsr & BIT(2) ? 1 : 0;
if ((ifp->state == MG_TCPIP_STATE_DOWN) && up) { // link state just went up
uint32_t scsr = eth_read_phy(PHY_ADDR, PHY_CSCR);
// tmp = reg with flags set to the most likely situation: 100M full-duplex
// if(link is slow or half) set flags otherwise
// reg = tmp
uint32_t maccr = ETH->MACCR | BIT(14) | BIT(13); // 100M, Full-duplex
if ((scsr & BIT(3)) == 0) maccr &= ~BIT(14); // 10M
if ((scsr & BIT(4)) == 0) maccr &= ~BIT(13); // Half-duplex
@@ -9806,6 +9814,9 @@ static bool mg_tcpip_driver_tm4c_up(struct mg_tcpip_if *ifp) {
bool up = (bmsr & BIT(2)) ? 1 : 0;
if ((ifp->state == MG_TCPIP_STATE_DOWN) && up) { // link state just went up
uint32_t sts = emac_read_phy(EPHY_ADDR, EPHYSTS);
// tmp = reg with flags set to the most likely situation: 100M full-duplex
// if(link is slow or half) set flags otherwise
// reg = tmp
uint32_t emaccfg = EMAC->EMACCFG | BIT(14) | BIT(11); // 100M, Full-duplex
if (sts & BIT(1)) emaccfg &= ~BIT(14); // 10M
if ((sts & BIT(2)) == 0) emaccfg &= ~BIT(11); // Half-duplex
mongoose.h
+2 -2
View File
@@ -1816,7 +1816,7 @@ extern struct mg_tcpip_driver mg_tcpip_driver_stm32;
extern struct mg_tcpip_driver mg_tcpip_driver_w5500;
extern struct mg_tcpip_driver mg_tcpip_driver_tm4c;
extern struct mg_tcpip_driver mg_tcpip_driver_stm32h;
extern struct mg_tcpip_driver mg_tcpip_driver_rt1020;
extern struct mg_tcpip_driver mg_tcpip_driver_imxrt;
extern struct mg_tcpip_driver mg_tcpip_driver_same54;
extern struct mg_tcpip_driver mg_tcpip_driver_cmsis;
@@ -1838,7 +1838,7 @@ struct mg_tcpip_spi {
#endif
struct mg_tcpip_driver_rt1020_data {
struct mg_tcpip_driver_imxrt_data {
// MDC clock divider. MDC clock is derived from IPS Bus clock (ipg_clk),
// must not exceed 2.5MHz. Configuration for clock range 2.36~2.50 MHz
// 37.5.1.8.2, Table 37-46 : f = ipg_clk / (2(mdc_cr + 1))
src/drivers/rt1020.c → src/drivers/imxrt.c
+48 -46
View File
@@ -1,8 +1,7 @@
#include "tcpip.h"
#if MG_ENABLE_TCPIP && defined(MG_ENABLE_DRIVER_RT1020) && \
MG_ENABLE_DRIVER_RT1020
struct rt1020_enet {
#if MG_ENABLE_TCPIP && defined(MG_ENABLE_DRIVER_IMXRT) && MG_ENABLE_DRIVER_IMXRT
struct imxrt_enet {
volatile uint32_t RESERVED0, EIR, EIMR, RESERVED1, RDAR, TDAR, RESERVED2[3],
ECR, RESERVED3[6], MMFR, MSCR, RESERVED4[7], MIBC, RESERVED5[7], RCR,
RESERVED6[15], TCR, RESERVED7[7], PALR, PAUR, OPD, TXIC0, TXIC1, TXIC2,
@@ -27,12 +26,12 @@ struct rt1020_enet {
};
#undef ENET
#define ENET ((struct rt1020_enet *) (uintptr_t) 0x402D8000U)
#define ENET ((struct imxrt_enet *) (uintptr_t) 0x402D8000U)
#define ETH_PKT_SIZE 1536 // Max frame size, 64-bit aligned
#define ETH_DESC_CNT 4 // Descriptors count
struct rt10xx_desc {
struct enet_desc {
uint16_t length; // Data length
uint16_t control; // Control and status
uint32_t *buffer; // Data ptr
@@ -43,40 +42,40 @@ struct rt10xx_desc {
// Descriptors: in non-cached area (TODO(scaprile)), 64-bit aligned
// Buffers: 64-bit aligned
static volatile struct rt10xx_desc s_rxdesc[ETH_DESC_CNT] MG_64BIT_ALIGNED;
static volatile struct rt10xx_desc s_txdesc[ETH_DESC_CNT] MG_64BIT_ALIGNED;
static volatile struct enet_desc s_rxdesc[ETH_DESC_CNT] MG_64BIT_ALIGNED;
static volatile struct enet_desc s_txdesc[ETH_DESC_CNT] MG_64BIT_ALIGNED;
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_64BIT_ALIGNED;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_64BIT_ALIGNED;
static struct mg_tcpip_if *s_ifp; // MIP interface
enum { PHY_BCR = 0, PHY_BSR = 1, PHY_ID1 = 2, PHY_ID2 = 3 };
static uint16_t rt10xx_phy_read(uint8_t addr, uint8_t reg) {
static uint16_t enet_phy_read(uint8_t addr, uint8_t reg) {
ENET->EIR |= MG_BIT(23); // MII interrupt clear
ENET->MMFR = (1 << 30) | (2 << 28) | (addr << 23) | (reg << 18) | (2 << 16);
while ((ENET->EIR & MG_BIT(23)) == 0) (void) 0;
return ENET->MMFR & 0xffff;
}
static void rt10xx_phy_write(uint8_t addr, uint8_t reg, uint16_t val) {
static void enet_phy_write(uint8_t addr, uint8_t reg, uint16_t val) {
ENET->EIR |= MG_BIT(23); // MII interrupt clear
ENET->MMFR =
(1 << 30) | (1 << 28) | (addr << 23) | (reg << 18) | (2 << 16) | val;
while ((ENET->EIR & MG_BIT(23)) == 0) (void) 0;
}
static uint32_t rt10xx_phy_id(uint8_t addr) {
uint16_t phy_id1 = rt10xx_phy_read(addr, PHY_ID1);
uint16_t phy_id2 = rt10xx_phy_read(addr, PHY_ID2);
static uint32_t enet_phy_id(uint8_t addr) {
uint16_t phy_id1 = enet_phy_read(addr, PHY_ID1);
uint16_t phy_id2 = enet_phy_read(addr, PHY_ID2);
return (uint32_t) phy_id1 << 16 | phy_id2;
}
// MDC clock is generated from IPS Bus clock (ipg_clk); as per 802.3,
// it must not exceed 2.5MHz
// The PHY receives the PLL6-generated 50MHz clock
static bool mg_tcpip_driver_rt1020_init(struct mg_tcpip_if *ifp) {
struct mg_tcpip_driver_rt1020_data *d =
(struct mg_tcpip_driver_rt1020_data *) ifp->driver_data;
static bool mg_tcpip_driver_imxrt_init(struct mg_tcpip_if *ifp) {
struct mg_tcpip_driver_imxrt_data *d =
(struct mg_tcpip_driver_imxrt_data *) ifp->driver_data;
s_ifp = ifp;
// Init RX descriptors
@@ -101,22 +100,22 @@ static bool mg_tcpip_driver_rt1020_init(struct mg_tcpip_if *ifp) {
int cr = (d == NULL || d->mdc_cr < 0) ? 24 : d->mdc_cr;
ENET->MSCR = (1 << 8) | ((cr & 0x3f) << 1); // HOLDTIME 2 clks
rt10xx_phy_write(d->phy_addr, PHY_BCR, MG_BIT(15)); // Reset PHY
rt10xx_phy_write(d->phy_addr, PHY_BCR, MG_BIT(12)); // Set autonegotiation
enet_phy_write(d->phy_addr, PHY_BCR, MG_BIT(15)); // Reset PHY
enet_phy_write(d->phy_addr, PHY_BCR, MG_BIT(12)); // Set autonegotiation
// PHY: Enable 50 MHz external ref clock at XI (preserve defaults)
uint32_t id = rt10xx_phy_id(d->phy_addr);
uint32_t id = enet_phy_id(d->phy_addr);
MG_INFO(("PHY ID: %#04x %#04x", (uint16_t) (id >> 16), (uint16_t) id));
// 2000 a140 - TI DP83825I
// 0007 c0fx - LAN8720
// 0022 1561 - KSZ8081RNB
if ((id & 0xffff0000) == 0x220000) { // KSZ8081RNB, like EVK-RTxxxx boards
rt10xx_phy_write(d->phy_addr, 31,
MG_BIT(15) | MG_BIT(8) | MG_BIT(7)); // PC2R
enet_phy_write(d->phy_addr, 31,
MG_BIT(15) | MG_BIT(8) | MG_BIT(7)); // PC2R
} else if ((id & 0xffff0000) == 0x20000000) { // DP83825I, like Teensy4.1
rt10xx_phy_write(d->phy_addr, 23, 0x81); // 50MHz clock input
rt10xx_phy_write(d->phy_addr, 24, 0x280); // LED status, active high
enet_phy_write(d->phy_addr, 23, 0x81); // 50MHz clock input
enet_phy_write(d->phy_addr, 24, 0x280); // LED status, active high
} else { // Default to LAN8720
MG_INFO(("Defaulting to LAN8720 PHY...")); // TODO()
}
@@ -142,8 +141,8 @@ static bool mg_tcpip_driver_rt1020_init(struct mg_tcpip_if *ifp) {
}
// Transmit frame
static size_t mg_tcpip_driver_rt1020_tx(const void *buf, size_t len,
struct mg_tcpip_if *ifp) {
static size_t mg_tcpip_driver_imxrt_tx(const void *buf, size_t len,
struct mg_tcpip_if *ifp) {
static int s_txno; // Current descriptor index
if (len > sizeof(s_txbuf[ETH_DESC_CNT])) {
ifp->nerr++;
@@ -165,27 +164,30 @@ static size_t mg_tcpip_driver_rt1020_tx(const void *buf, size_t len,
return len;
}
static bool mg_tcpip_driver_rt1020_up(struct mg_tcpip_if *ifp) {
struct mg_tcpip_driver_rt1020_data *d =
(struct mg_tcpip_driver_rt1020_data *) ifp->driver_data;
uint32_t bsr = rt10xx_phy_read(d->phy_addr, PHY_BSR);
static bool mg_tcpip_driver_imxrt_up(struct mg_tcpip_if *ifp) {
struct mg_tcpip_driver_imxrt_data *d =
(struct mg_tcpip_driver_imxrt_data *) ifp->driver_data;
uint32_t bsr = enet_phy_read(d->phy_addr, PHY_BSR);
bool up = bsr & MG_BIT(2) ? 1 : 0;
if ((ifp->state == MG_TCPIP_STATE_DOWN) && up) { // link state just went up
uint32_t tcr = ENET->TCR | MG_BIT(2); // Full-duplex
uint32_t rcr = ENET->RCR & ~MG_BIT(9); // 100M
uint32_t phy_id = rt10xx_phy_id(d->phy_addr);
if ((phy_id & 0xffff0000) == 0x220000) { // KSZ8081RNB
uint16_t pc1r = rt10xx_phy_read(d->phy_addr, 30); // Read PC1R
if ((pc1r & 3) == 1) rcr |= MG_BIT(9); // 10M
if ((pc1r & MG_BIT(2)) == 0) tcr &= ~MG_BIT(2); // Half-duplex
} else if ((phy_id & 0xffff0000) == 0x20000000) { // DP83825I
uint16_t physts = rt10xx_phy_read(d->phy_addr, 16); // Read PHYSTS
if (physts & MG_BIT(1)) rcr |= MG_BIT(9); // 10M
if ((physts & MG_BIT(2)) == 0) tcr &= ~MG_BIT(2); // Half-duplex
} else { // Default to LAN8720
uint16_t scsr = rt10xx_phy_read(d->phy_addr, 31); // Read CSCR
if ((scsr & MG_BIT(3)) == 0) rcr |= MG_BIT(9); // 10M
if ((scsr & MG_BIT(4)) == 0) tcr &= ~MG_BIT(2); // Half-duplex
// tmp = reg with flags set to the most likely situation: 100M full-duplex
// if(link is slow or half) set flags otherwise
// reg = tmp
uint32_t tcr = ENET->TCR | MG_BIT(2); // Full-duplex
uint32_t rcr = ENET->RCR & ~MG_BIT(9); // 100M
uint32_t phy_id = enet_phy_id(d->phy_addr);
if ((phy_id & 0xffff0000) == 0x220000) { // KSZ8081RNB
uint16_t pc1r = enet_phy_read(d->phy_addr, 30); // Read PC1R
if ((pc1r & 3) == 1) rcr |= MG_BIT(9); // 10M
if ((pc1r & MG_BIT(2)) == 0) tcr &= ~MG_BIT(2); // Half-duplex
} else if ((phy_id & 0xffff0000) == 0x20000000) { // DP83825I
uint16_t physts = enet_phy_read(d->phy_addr, 16); // Read PHYSTS
if (physts & MG_BIT(1)) rcr |= MG_BIT(9); // 10M
if ((physts & MG_BIT(2)) == 0) tcr &= ~MG_BIT(2); // Half-duplex
} else { // Default to LAN8720
uint16_t scsr = enet_phy_read(d->phy_addr, 31); // Read CSCR
if ((scsr & MG_BIT(3)) == 0) rcr |= MG_BIT(9); // 10M
if ((scsr & MG_BIT(4)) == 0) tcr &= ~MG_BIT(2); // Half-duplex
}
ENET->TCR = tcr; // IRQ handler does not fiddle with these registers
ENET->RCR = rcr;
@@ -216,8 +218,8 @@ void ENET_IRQHandler(void) {
// If b24 == 0, descriptors were exhausted and probably frames were dropped
}
struct mg_tcpip_driver mg_tcpip_driver_rt1020 = {
mg_tcpip_driver_rt1020_init, mg_tcpip_driver_rt1020_tx, NULL,
mg_tcpip_driver_rt1020_up};
struct mg_tcpip_driver mg_tcpip_driver_imxrt = {mg_tcpip_driver_imxrt_init,
mg_tcpip_driver_imxrt_tx, NULL,
mg_tcpip_driver_imxrt_up};
#endif
src/drivers/rt1020.h → src/drivers/imxrt.h
+1 -1
View File
@@ -1,6 +1,6 @@
#pragma once
struct mg_tcpip_driver_rt1020_data {
struct mg_tcpip_driver_imxrt_data {
// MDC clock divider. MDC clock is derived from IPS Bus clock (ipg_clk),
// must not exceed 2.5MHz. Configuration for clock range 2.36~2.50 MHz
// 37.5.1.8.2, Table 37-46 : f = ipg_clk / (2(mdc_cr + 1))
src/drivers/same54.c
+1 -1
View File
@@ -175,7 +175,7 @@ static bool mg_tcpip_driver_same54_up(struct mg_tcpip_if *ifp) {
bool fd = bcr & PHY_BCR_DUPLEX_MODE_Msk ? 1 : 0;
bool spd = bcr & PHY_BCR_SPEED_Msk ? 1 : 0;
GMAC_REGS->GMAC_NCFGR =
GMAC_REGS->GMAC_NCFGR & ~(GMAC_NCFGR_SPD_Msk | PHY_BCR_SPEED_Msk) |
(GMAC_REGS->GMAC_NCFGR & ~(GMAC_NCFGR_SPD_Msk | PHY_BCR_SPEED_Msk)) |
GMAC_NCFGR_SPD(spd) | GMAC_NCFGR_FD(fd);
}
src/drivers/stm32.c
+3
View File
@@ -181,6 +181,9 @@ static bool mg_tcpip_driver_stm32_up(struct mg_tcpip_if *ifp) {
bool up = bsr & BIT(2) ? 1 : 0;
if ((ifp->state == MG_TCPIP_STATE_DOWN) && up) { // link state just went up
uint32_t scsr = eth_read_phy(PHY_ADDR, PHY_CSCR);
// tmp = reg with flags set to the most likely situation: 100M full-duplex
// if(link is slow or half) set flags otherwise
// reg = tmp
uint32_t maccr = ETH->MACCR | BIT(14) | BIT(11); // 100M, Full-duplex
if ((scsr & BIT(3)) == 0) maccr &= ~BIT(14); // 10M
if ((scsr & BIT(4)) == 0) maccr &= ~BIT(11); // Half-duplex
src/drivers/stm32h.c
+3
View File
@@ -236,6 +236,9 @@ static bool mg_tcpip_driver_stm32h_up(struct mg_tcpip_if *ifp) {
bool up = bsr & BIT(2) ? 1 : 0;
if ((ifp->state == MG_TCPIP_STATE_DOWN) && up) { // link state just went up
uint32_t scsr = eth_read_phy(PHY_ADDR, PHY_CSCR);
// tmp = reg with flags set to the most likely situation: 100M full-duplex
// if(link is slow or half) set flags otherwise
// reg = tmp
uint32_t maccr = ETH->MACCR | BIT(14) | BIT(13); // 100M, Full-duplex
if ((scsr & BIT(3)) == 0) maccr &= ~BIT(14); // 10M
if ((scsr & BIT(4)) == 0) maccr &= ~BIT(13); // Half-duplex
src/drivers/tm4c.c
+3
View File
@@ -212,6 +212,9 @@ static bool mg_tcpip_driver_tm4c_up(struct mg_tcpip_if *ifp) {
bool up = (bmsr & BIT(2)) ? 1 : 0;
if ((ifp->state == MG_TCPIP_STATE_DOWN) && up) { // link state just went up
uint32_t sts = emac_read_phy(EPHY_ADDR, EPHYSTS);
// tmp = reg with flags set to the most likely situation: 100M full-duplex
// if(link is slow or half) set flags otherwise
// reg = tmp
uint32_t emaccfg = EMAC->EMACCFG | BIT(14) | BIT(11); // 100M, Full-duplex
if (sts & BIT(1)) emaccfg &= ~BIT(14); // 10M
if ((sts & BIT(2)) == 0) emaccfg &= ~BIT(11); // Half-duplex
src/net_builtin.h
+1 -1
View File
@@ -55,7 +55,7 @@ extern struct mg_tcpip_driver mg_tcpip_driver_stm32;
extern struct mg_tcpip_driver mg_tcpip_driver_w5500;
extern struct mg_tcpip_driver mg_tcpip_driver_tm4c;
extern struct mg_tcpip_driver mg_tcpip_driver_stm32h;
extern struct mg_tcpip_driver mg_tcpip_driver_rt1020;
extern struct mg_tcpip_driver mg_tcpip_driver_imxrt;
extern struct mg_tcpip_driver mg_tcpip_driver_same54;
extern struct mg_tcpip_driver mg_tcpip_driver_cmsis;