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-rw-r--r--arch/blackfin/mach-bf548/Kconfig59
-rw-r--r--arch/blackfin/mach-bf548/boards/ezkit.c55
-rw-r--r--arch/blackfin/mach-bf548/include/mach/anomaly.h6
-rw-r--r--arch/blackfin/mach-bf548/include/mach/defBF544.h18
-rw-r--r--arch/blackfin/mach-bf548/include/mach/defBF547.h19
-rw-r--r--arch/blackfin/mach-bf548/include/mach/dma.h28
-rw-r--r--arch/blackfin/mach-bf548/include/mach/irq.h4
7 files changed, 136 insertions, 53 deletions
diff --git a/arch/blackfin/mach-bf548/Kconfig b/arch/blackfin/mach-bf548/Kconfig
index 70189a0d1a1..94acb586832 100644
--- a/arch/blackfin/mach-bf548/Kconfig
+++ b/arch/blackfin/mach-bf548/Kconfig
@@ -42,6 +42,65 @@ config BF548_ATAPI_ALTERNATIVE_PORT
async address or GPIO port F and G. Select y to route it
to GPIO.
+choice
+ prompt "UART2 DMA channel selection"
+ depends on SERIAL_BFIN_UART2
+ default UART2_DMA_RX_ON_DMA18
+ help
+ UART2 DMA channel selection
+ RX -> DMA18
+ TX -> DMA19
+ or
+ RX -> DMA13
+ TX -> DMA14
+
+config UART2_DMA_RX_ON_DMA18
+ bool "UART2 DMA RX -> DMA18 TX -> DMA19"
+ help
+ UART2 DMA channel assignment
+ RX -> DMA18
+ TX -> DMA19
+ use SPORT2 default DMA channel
+
+config UART2_DMA_RX_ON_DMA13
+ bool "UART2 DMA RX -> DMA13 TX -> DMA14"
+ help
+ UART2 DMA channel assignment
+ RX -> DMA13
+ TX -> DMA14
+ use EPPI1 EPPI2 default DMA channel
+endchoice
+
+choice
+ prompt "UART3 DMA channel selection"
+ depends on SERIAL_BFIN_UART3
+ default UART3_DMA_RX_ON_DMA20
+ help
+ UART3 DMA channel selection
+ RX -> DMA20
+ TX -> DMA21
+ or
+ RX -> DMA15
+ TX -> DMA16
+
+config UART3_DMA_RX_ON_DMA20
+ bool "UART3 DMA RX -> DMA20 TX -> DMA21"
+ help
+ UART3 DMA channel assignment
+ RX -> DMA20
+ TX -> DMA21
+ use SPORT3 default DMA channel
+
+config UART3_DMA_RX_ON_DMA15
+ bool "UART3 DMA RX -> DMA15 TX -> DMA16"
+ help
+ UART3 DMA channel assignment
+ RX -> DMA15
+ TX -> DMA16
+ use PIXC default DMA channel
+
+endchoice
+
comment "Interrupt Priority Assignment"
menu "Priority"
diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c
index ce5a2bb147d..93e19a54a88 100644
--- a/arch/blackfin/mach-bf548/boards/ezkit.c
+++ b/arch/blackfin/mach-bf548/boards/ezkit.c
@@ -778,11 +778,12 @@ static struct platform_device bfin_sport3_uart_device = {
#endif
#if defined(CONFIG_CAN_BFIN) || defined(CONFIG_CAN_BFIN_MODULE)
-static unsigned short bfin_can_peripherals[] = {
+
+static unsigned short bfin_can0_peripherals[] = {
P_CAN0_RX, P_CAN0_TX, 0
};
-static struct resource bfin_can_resources[] = {
+static struct resource bfin_can0_resources[] = {
{
.start = 0xFFC02A00,
.end = 0xFFC02FFF,
@@ -805,14 +806,53 @@ static struct resource bfin_can_resources[] = {
},
};
-static struct platform_device bfin_can_device = {
+static struct platform_device bfin_can0_device = {
.name = "bfin_can",
- .num_resources = ARRAY_SIZE(bfin_can_resources),
- .resource = bfin_can_resources,
+ .id = 0,
+ .num_resources = ARRAY_SIZE(bfin_can0_resources),
+ .resource = bfin_can0_resources,
.dev = {
- .platform_data = &bfin_can_peripherals, /* Passed to driver */
+ .platform_data = &bfin_can0_peripherals, /* Passed to driver */
},
};
+
+static unsigned short bfin_can1_peripherals[] = {
+ P_CAN1_RX, P_CAN1_TX, 0
+};
+
+static struct resource bfin_can1_resources[] = {
+ {
+ .start = 0xFFC03200,
+ .end = 0xFFC037FF,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_CAN1_RX,
+ .end = IRQ_CAN1_RX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_CAN1_TX,
+ .end = IRQ_CAN1_TX,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_CAN1_ERROR,
+ .end = IRQ_CAN1_ERROR,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device bfin_can1_device = {
+ .name = "bfin_can",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(bfin_can1_resources),
+ .resource = bfin_can1_resources,
+ .dev = {
+ .platform_data = &bfin_can1_peripherals, /* Passed to driver */
+ },
+};
+
#endif
#if defined(CONFIG_PATA_BF54X) || defined(CONFIG_PATA_BF54X_MODULE)
@@ -1366,7 +1406,8 @@ static struct platform_device *ezkit_devices[] __initdata = {
#endif
#if defined(CONFIG_CAN_BFIN) || defined(CONFIG_CAN_BFIN_MODULE)
- &bfin_can_device,
+ &bfin_can0_device,
+ &bfin_can1_device,
#endif
#if defined(CONFIG_PATA_BF54X) || defined(CONFIG_PATA_BF54X_MODULE)
diff --git a/arch/blackfin/mach-bf548/include/mach/anomaly.h b/arch/blackfin/mach-bf548/include/mach/anomaly.h
index 4070079e2c0..ffd0537295a 100644
--- a/arch/blackfin/mach-bf548/include/mach/anomaly.h
+++ b/arch/blackfin/mach-bf548/include/mach/anomaly.h
@@ -81,7 +81,11 @@
/* PLL Status Register Is Inaccurate */
#define ANOMALY_05000351 (__SILICON_REVISION__ < 1)
/* bfrom_SysControl() Firmware Function Performs Improper System Reset */
-#define ANOMALY_05000353 (__SILICON_REVISION__ < 2)
+/*
+ * Note: anomaly sheet says this is fixed with bf54x-0.2+, but testing
+ * shows that the fix itself does not cover all cases.
+ */
+#define ANOMALY_05000353 (1)
/* Regulator Programming Blocked when Hibernate Wakeup Source Remains Active */
#define ANOMALY_05000355 (__SILICON_REVISION__ < 1)
/* System Stalled During A Core Access To AMC While A Core Access To NFC FIFO Is Required */
diff --git a/arch/blackfin/mach-bf548/include/mach/defBF544.h b/arch/blackfin/mach-bf548/include/mach/defBF544.h
index 642468c1bcb..bcccab36629 100644
--- a/arch/blackfin/mach-bf548/include/mach/defBF544.h
+++ b/arch/blackfin/mach-bf548/include/mach/defBF544.h
@@ -657,22 +657,4 @@
/* Bit masks for EPPI0 are obtained from common base header for EPPIx (EPPI1 and EPPI2) */
-/* Bit masks for HMDMAx_CONTROL */
-
-#define HMDMAEN 0x1 /* Handshake MDMA Enable */
-#define REP 0x2 /* Handshake MDMA Request Polarity */
-#define UTE 0x8 /* Urgency Threshold Enable */
-#define OIE 0x10 /* Overflow Interrupt Enable */
-#define BDIE 0x20 /* Block Done Interrupt Enable */
-#define MBDI 0x40 /* Mask Block Done Interrupt */
-#define DRQ 0x300 /* Handshake MDMA Request Type */
-#define RBC 0x1000 /* Force Reload of BCOUNT */
-#define PS 0x2000 /* Pin Status */
-#define OI 0x4000 /* Overflow Interrupt Generated */
-#define BDI 0x8000 /* Block Done Interrupt Generated */
-
-/* ******************************************* */
-/* MULTI BIT MACRO ENUMERATIONS */
-/* ******************************************* */
-
#endif /* _DEF_BF544_H */
diff --git a/arch/blackfin/mach-bf548/include/mach/defBF547.h b/arch/blackfin/mach-bf548/include/mach/defBF547.h
index 2f3337cd311..1cbba115f96 100644
--- a/arch/blackfin/mach-bf548/include/mach/defBF547.h
+++ b/arch/blackfin/mach-bf548/include/mach/defBF547.h
@@ -1063,23 +1063,4 @@
#define DMA_COUNT_LOW 0xffff /* Lower 16-bits of byte count of DMA transfer for DMA master channel */
-/* Bit masks for HMDMAx_CONTROL */
-
-#define HMDMAEN 0x1 /* Handshake MDMA Enable */
-#define REP 0x2 /* Handshake MDMA Request Polarity */
-#define UTE 0x8 /* Urgency Threshold Enable */
-#define OIE 0x10 /* Overflow Interrupt Enable */
-#define BDIE 0x20 /* Block Done Interrupt Enable */
-#define MBDI 0x40 /* Mask Block Done Interrupt */
-#define DRQ 0x300 /* Handshake MDMA Request Type */
-#define RBC 0x1000 /* Force Reload of BCOUNT */
-#define PS 0x2000 /* Pin Status */
-#define OI 0x4000 /* Overflow Interrupt Generated */
-#define BDI 0x8000 /* Block Done Interrupt Generated */
-
-/* ******************************************* */
-/* MULTI BIT MACRO ENUMERATIONS */
-/* ******************************************* */
-
-
#endif /* _DEF_BF547_H */
diff --git a/arch/blackfin/mach-bf548/include/mach/dma.h b/arch/blackfin/mach-bf548/include/mach/dma.h
index a30d242c739..1a1091b071f 100644
--- a/arch/blackfin/mach-bf548/include/mach/dma.h
+++ b/arch/blackfin/mach-bf548/include/mach/dma.h
@@ -27,17 +27,37 @@
#define CH_PIXC_OVERLAY 16
#define CH_PIXC_OUTPUT 17
#define CH_SPORT2_RX 18
-#define CH_UART2_RX 18
#define CH_SPORT2_TX 19
-#define CH_UART2_TX 19
#define CH_SPORT3_RX 20
-#define CH_UART3_RX 20
#define CH_SPORT3_TX 21
-#define CH_UART3_TX 21
#define CH_SDH 22
#define CH_NFC 22
#define CH_SPI2 23
+#if defined(CONFIG_UART2_DMA_RX_ON_DMA13)
+#define CH_UART2_RX 13
+#define IRQ_UART2_RX BFIN_IRQ(37) /* UART2 RX USE EPP1 (DMA13) Interrupt */
+#define CH_UART2_TX 14
+#define IRQ_UART2_TX BFIN_IRQ(38) /* UART2 RX USE EPP1 (DMA14) Interrupt */
+#else /* Default USE SPORT2's DMA Channel */
+#define CH_UART2_RX 18
+#define IRQ_UART2_RX BFIN_IRQ(33) /* UART2 RX (DMA18) Interrupt */
+#define CH_UART2_TX 19
+#define IRQ_UART2_TX BFIN_IRQ(34) /* UART2 TX (DMA19) Interrupt */
+#endif
+
+#if defined(CONFIG_UART3_DMA_RX_ON_DMA15)
+#define CH_UART3_RX 15
+#define IRQ_UART3_RX BFIN_IRQ(64) /* UART3 RX USE PIXC IN0 (DMA15) Interrupt */
+#define CH_UART3_TX 16
+#define IRQ_UART3_TX BFIN_IRQ(65) /* UART3 TX USE PIXC IN1 (DMA16) Interrupt */
+#else /* Default USE SPORT3's DMA Channel */
+#define CH_UART3_RX 20
+#define IRQ_UART3_RX BFIN_IRQ(35) /* UART3 RX (DMA20) Interrupt */
+#define CH_UART3_TX 21
+#define IRQ_UART3_TX BFIN_IRQ(36) /* UART3 TX (DMA21) Interrupt */
+#endif
+
#define CH_MEM_STREAM0_DEST 24
#define CH_MEM_STREAM0_SRC 25
#define CH_MEM_STREAM1_DEST 26
diff --git a/arch/blackfin/mach-bf548/include/mach/irq.h b/arch/blackfin/mach-bf548/include/mach/irq.h
index 99fd1b2c53d..7f87787e773 100644
--- a/arch/blackfin/mach-bf548/include/mach/irq.h
+++ b/arch/blackfin/mach-bf548/include/mach/irq.h
@@ -74,13 +74,9 @@ Events (highest priority) EMU 0
#define IRQ_UART2_ERROR BFIN_IRQ(31) /* UART2 Status (Error) Interrupt */
#define IRQ_CAN0_ERROR BFIN_IRQ(32) /* CAN0 Status (Error) Interrupt */
#define IRQ_SPORT2_RX BFIN_IRQ(33) /* SPORT2 RX (DMA18) Interrupt */
-#define IRQ_UART2_RX BFIN_IRQ(33) /* UART2 RX (DMA18) Interrupt */
#define IRQ_SPORT2_TX BFIN_IRQ(34) /* SPORT2 TX (DMA19) Interrupt */
-#define IRQ_UART2_TX BFIN_IRQ(34) /* UART2 TX (DMA19) Interrupt */
#define IRQ_SPORT3_RX BFIN_IRQ(35) /* SPORT3 RX (DMA20) Interrupt */
-#define IRQ_UART3_RX BFIN_IRQ(35) /* UART3 RX (DMA20) Interrupt */
#define IRQ_SPORT3_TX BFIN_IRQ(36) /* SPORT3 TX (DMA21) Interrupt */
-#define IRQ_UART3_TX BFIN_IRQ(36) /* UART3 TX (DMA21) Interrupt */
#define IRQ_EPPI1 BFIN_IRQ(37) /* EPP1 (DMA13) Interrupt */
#define IRQ_EPPI2 BFIN_IRQ(38) /* EPP2 (DMA14) Interrupt */
#define IRQ_SPI1 BFIN_IRQ(39) /* SPI1 (DMA5) Interrupt */
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-17 11:46:22 +0000