+From 0755f39962e25fe1924633716a59027971c8fc67 Mon Sep 17 00:00:00 2001
+Message-Id: <0755f39962e25fe1924633716a59027971c8fc67.1460800109.git.ppisa@pikron.com>
+In-Reply-To: <fa0cd7f188055c9ee2daac4f933cfa023e369dea.1460800109.git.ppisa@pikron.com>
+References: <fa0cd7f188055c9ee2daac4f933cfa023e369dea.1460800109.git.ppisa@pikron.com>
+From: ppisa <ppisa@pikron.com>
+Date: Sun, 9 Nov 2008 11:03:17 +0100
+Subject: [PATCH 4/4] rtems-m9328-pimx1-uart1to3
+To: rtems-devel@rtems.org
+
+---
+ c/src/lib/libbsp/arm/csb336/console/uart.c | 49 ++++++++++++++++++++++
+ c/src/lib/libcpu/arm/mc9328mxl/include/mc9328mxl.h | 41 ++++++++++++++++++
+ 2 files changed, 90 insertions(+)
+
+diff --git a/c/src/lib/libbsp/arm/csb336/console/uart.c b/c/src/lib/libbsp/arm/csb336/console/uart.c
+index 841a00c..540f1b9 100644
+--- a/c/src/lib/libbsp/arm/csb336/console/uart.c
++++ b/c/src/lib/libbsp/arm/csb336/console/uart.c
+@@ -22,6 +22,13 @@
+ /* Define this to use interrupt driver UART driver */
+ #define USE_INTERRUPTS 1
+
++/* Define this to use interrupt driver UART driver */
++#define WITH_IRDA_UART1TO3 1
++
++#ifdef WITH_IRDA_UART1TO3
++int bsp_uart1_switched_to_3 = 0;
++#endif /*WITH_IRDA_UART1TO3*/
++
+ /* How many serial ports? */
+ #define NUM_DEVS 2
+ #define poll_write(c) imx_uart_poll_write_char(0, c)
+@@ -181,6 +188,38 @@ static void imx_uart_init(int minor)
+ imx_uart_data[minor].len = 0;
+ imx_uart_data[minor].idx = 0;
+
++#ifdef WITH_IRDA_UART1TO3
++ if (minor == 0) {
++ if((MC9328MXL_GPIOC_SSR & (1<<9))==0)
++ bsp_uart1_switched_to_3 = 1;
++ }
++
++ if ((minor == 0) && bsp_uart1_switched_to_3) {
++ /* GPIO port C */
++ rtems_interrupt_level flags;
++ unsigned long mask;
++ unsigned long iconfa2_clr;
++ unsigned long ocr2_set;
++ unsigned long ocr2_clr;
++ unsigned long ddir_set;
++ mask = (1<<31) | (1<<30); /* RxD and TxD */
++ ddir_set = (1<<30);
++ iconfa2_clr = (1<<31) | (1<<30);
++ ocr2_set = (1<<28);
++ ocr2_clr =(1<<29);
++ rtems_interrupt_disable(flags);
++ MC9328MXL_GPIOC_ICONFA2 &=~ iconfa2_clr;
++ MC9328MXL_GPIOC_OCR2 |= ocr2_set;
++ MC9328MXL_GPIOC_OCR2 &=~ ocr2_clr;
++ MC9328MXL_GPIOC_GIUS |= mask ; /* GIUS_C */
++ MC9328MXL_GPIOC_DDIR |= ddir_set;
++ MC9328MXL_PLL_GCCR |= MC9328MXL_PLL_GCCR_UART3_CLK_EN;
++ rtems_interrupt_enable(flags);
++
++ imx_uart_data[minor].regs =
++ (mc9328mxl_uart_regs_t *) MC9328MXL_UART3_BASE;
++ } else
++#endif /*WITH_IRDA_UART1TO3*/
+ if (minor == 0) {
+ imx_uart_data[minor].regs =
+ (mc9328mxl_uart_regs_t *) MC9328MXL_UART1_BASE;
+@@ -374,6 +413,11 @@ static void imx_uart_tx_isr(void * param)
+
+ static rtems_vector_number imx_uart_name_transmit(int minor)
+ {
++#ifdef WITH_IRDA_UART1TO3
++ if ((minor == 0) && bsp_uart1_switched_to_3) {
++ return BSP_INT_UART3_TX;
++ } else
++#endif /*WITH_IRDA_UART1TO3*/
+ if (minor == 0) {
+ return BSP_INT_UART1_TX;
+ } else if (minor == 1) {
+@@ -385,6 +429,11 @@ static rtems_vector_number imx_uart_name_transmit(int minor)
+
+ static rtems_vector_number imx_uart_name_receive(int minor)
+ {
++#ifdef WITH_IRDA_UART1TO3
++ if ((minor == 0) && bsp_uart1_switched_to_3) {
++ return BSP_INT_UART3_RX;
++ } else
++#endif /*WITH_IRDA_UART1TO3*/
+ if (minor == 0) {
+ return BSP_INT_UART1_RX;
+ } else if (minor == 1) {
+diff --git a/c/src/lib/libcpu/arm/mc9328mxl/include/mc9328mxl.h b/c/src/lib/libcpu/arm/mc9328mxl/include/mc9328mxl.h
+index dd05162..098caf3 100644
+--- a/c/src/lib/libcpu/arm/mc9328mxl/include/mc9328mxl.h
++++ b/c/src/lib/libcpu/arm/mc9328mxl/include/mc9328mxl.h
+@@ -28,6 +28,7 @@
+ #define MC9328MXL_LCDC_BASE 0x00205000
+ #define MC9328MXL_UART1_BASE 0x00206000
+ #define MC9328MXL_UART2_BASE 0x00207000
++#define MC9328MXL_UART3_BASE 0x0020A000
+ #define MC9328MXL_PWM_BASE 0x00208000
+ #define MC9328MXL_DMAC_BASE 0x00209000
+ #define MC9328MXL_USBD_BASE 0x00212000
+@@ -128,6 +129,30 @@
+ #define MC9328MXL_UART2_MPR4 (*((volatile uint32_t *)((MC9328MXL_UART2_BASE) + 0xcc)))
+ #define MC9328MXL_UART2_TS (*((volatile uint32_t *)((MC9328MXL_UART2_BASE) + 0xd0)))
+
++#define MC9328MXL_UART3_RXD (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0x00)))
++#define MC9328MXL_UART3_TXD (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0x40)))
++#define MC9328MXL_UART3_CR1 (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0x80)))
++#define MC9328MXL_UART3_CR2 (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0x84)))
++#define MC9328MXL_UART3_CR3 (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0x88)))
++#define MC9328MXL_UART3_CR4 (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0x8c)))
++#define MC9328MXL_UART3_FCR (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0x90)))
++#define MC9328MXL_UART3_SR1 (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0x94)))
++#define MC9328MXL_UART3_SR2 (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0x98)))
++#define MC9328MXL_UART3_ESC (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0x9c)))
++#define MC9328MXL_UART3_TIM (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0xa0)))
++#define MC9328MXL_UART3_BIR (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0xa4)))
++#define MC9328MXL_UART3_BMR (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0xa8)))
++#define MC9328MXL_UART3_BRC (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0xac)))
++#define MC9328MXL_UART3_IPR1 (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0xb0)))
++#define MC9328MXL_UART3_IPR2 (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0xb4)))
++#define MC9328MXL_UART3_IPR3 (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0xb8)))
++#define MC9328MXL_UART3_IPR4 (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0xbc)))
++#define MC9328MXL_UART3_MPR1 (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0xc0)))
++#define MC9328MXL_UART3_MPR2 (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0xc4)))
++#define MC9328MXL_UART3_MPR3 (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0xc8)))
++#define MC9328MXL_UART3_MPR4 (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0xcc)))
++#define MC9328MXL_UART3_TS (*((volatile uint32_t *)((MC9328MXL_UART3_BASE) + 0xd0)))
++
+ typedef struct {
+ volatile uint32_t rxd;
+ volatile uint32_t _res0[15];
+@@ -271,6 +296,12 @@ typedef struct {
+ #define MC9328MXL_PLL_SPCTL1 (*((volatile uint32_t *)((MC9328MXL_PLL_BASE) + 0x10)))
+ #define MC9328MXL_PLL_PCDR (*((volatile uint32_t *)((MC9328MXL_PLL_BASE) + 0x20)))
+
++#define MC9328MXL_PLL_RSR (*((volatile uint32_t *)((MC9328MXL_PLL_BASE) + 0x800)))
++#define MC9328MXL_PLL_SIDR (*((volatile uint32_t *)((MC9328MXL_PLL_BASE) + 0x804)))
++#define MC9328MXL_PLL_FMCR (*((volatile uint32_t *)((MC9328MXL_PLL_BASE) + 0x808)))
++#define MC9328MXL_PLL_GPCR (*((volatile uint32_t *)((MC9328MXL_PLL_BASE) + 0x80C)))
++#define MC9328MXL_PLL_GCCR (*((volatile uint32_t *)((MC9328MXL_PLL_BASE) + 0x810)))
++
+ #define MC9328MXL_PLL_CSCR_CLKOSEL_PERCLK1 (0 << 29)
+ #define MC9328MXL_PLL_CSCR_CLKOSEL_HCLK (1 << 29)
+ #define MC9328MXL_PLL_CSCR_CLKOSEL_CLK48M (2 << 29)
+@@ -301,6 +332,16 @@ typedef struct {
+ #define MC9328MXL_PLL_PCDR_PCLK3_MASK (0x007f0000)
+ #define MC9328MXL_PLL_PCDR_PCLK3_SHIFT (16)
+
++#define MC9328MXL_PLL_RSR_WDR (bit(1))
++#define MC9328MXL_PLL_RSR_EXR (bit(0))
++
++#define MC9328MXL_PLL_GCCR_UART3_CLK_EN (bit(6))
++#define MC9328MXL_PLL_GCCR_SSI2_CLK_EN (bit(5))
++#define MC9328MXL_PLL_GCCR_BROM_CLK_EN (bit(4))
++#define MC9328MXL_PLL_GCCR_DMA_CLK_EN (bit(3))
++#define MC9328MXL_PLL_GCCR_CSI_CLK_EN (bit(2))
++#define MC9328MXL_PLL_GCCR_MMA_CLK_EN (bit(1))
++#define MC9328MXL_PLL_GCCR_USBD_CLK_EN (bit(0))
+
+ #define MC9328MXL_PLL_SPCTL_PD_MASK (0x3c000000)
+ #define MC9328MXL_PLL_SPCTL_PD_SHIFT (26)
+--
+1.9.1
+
projects / rtems-devel.git / blobdiff