diff options
Diffstat (limited to 'arch/ppc/platforms/4xx/virtex.h')
| -rw-r--r-- | arch/ppc/platforms/4xx/virtex.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/arch/ppc/platforms/4xx/virtex.h b/arch/ppc/platforms/4xx/virtex.h new file mode 100644 index 00000000000..049c767d33e --- /dev/null +++ b/arch/ppc/platforms/4xx/virtex.h @@ -0,0 +1,99 @@ +/* + * arch/ppc/platforms/4xx/virtex.h + * + * Include file that defines the Xilinx Virtex-II Pro processor + * + * Author: MontaVista Software, Inc. + * source@mvista.com + * + * 2002-2004 (c) MontaVista Software, Inc. This file is licensed under the + * terms of the GNU General Public License version 2. This program is licensed + * "as is" without any warranty of any kind, whether express or implied. + */ + +#ifdef __KERNEL__ +#ifndef __ASM_VIRTEX_H__ +#define __ASM_VIRTEX_H__ + +#include <linux/config.h> +#include <platforms/4xx/xparameters/xparameters.h> + +/* serial defines */ + +#define RS_TABLE_SIZE 4 /* change this and add more devices below + if you have more then 4 16x50 UARTs */ + +#define BASE_BAUD (XPAR_UARTNS550_0_CLOCK_FREQ_HZ/16) + +/* The serial ports in the Virtex-II Pro have each I/O byte in the + * LSByte of a word. This means that iomem_reg_shift needs to be 2 to + * change the byte offsets into word offsets. In addition the base + * addresses need to have 3 added to them to get to the LSByte. + */ +#define STD_UART_OP(num) \ + { 0, BASE_BAUD, 0, XPAR_INTC_0_UARTNS550_##num##_VEC_ID, \ + ASYNC_BOOT_AUTOCONF, \ + .iomem_base = (u8 *)XPAR_UARTNS550_##num##_BASEADDR + 3, \ + .iomem_reg_shift = 2, \ + .io_type = SERIAL_IO_MEM}, + +#if defined(XPAR_INTC_0_UARTNS550_0_VEC_ID) +#define ML300_UART0 STD_UART_OP(0) +#else +#define ML300_UART0 +#endif + +#if defined(XPAR_INTC_0_UARTNS550_1_VEC_ID) +#define ML300_UART1 STD_UART_OP(1) +#else +#define ML300_UART1 +#endif + +#if defined(XPAR_INTC_0_UARTNS550_2_VEC_ID) +#define ML300_UART2 STD_UART_OP(2) +#else +#define ML300_UART2 +#endif + +#if defined(XPAR_INTC_0_UARTNS550_3_VEC_ID) +#define ML300_UART3 STD_UART_OP(3) +#else +#define ML300_UART3 +#endif + +#if defined(XPAR_INTC_0_UARTNS550_4_VEC_ID) +#error Edit this file to add more devices. +#elif defined(XPAR_INTC_0_UARTNS550_3_VEC_ID) +#define NR_SER_PORTS 4 +#elif defined(XPAR_INTC_0_UARTNS550_2_VEC_ID) +#define NR_SER_PORTS 3 +#elif defined(XPAR_INTC_0_UARTNS550_1_VEC_ID) +#define NR_SER_PORTS 2 +#elif defined(XPAR_INTC_0_UARTNS550_0_VEC_ID) +#define NR_SER_PORTS 1 +#else +#define NR_SER_PORTS 0 +#endif + +#if defined(CONFIG_UART0_TTYS0) +#define SERIAL_PORT_DFNS \ + ML300_UART0 \ + ML300_UART1 \ + ML300_UART2 \ + ML300_UART3 +#endif + +#if defined(CONFIG_UART0_TTYS1) +#define SERIAL_PORT_DFNS \ + ML300_UART1 \ + ML300_UART0 \ + ML300_UART2 \ + ML300_UART3 +#endif + +#define DCRN_CPMFR_BASE 0 + +#include <asm/ibm405.h> + +#endif /* __ASM_VIRTEX_H__ */ +#endif /* __KERNEL__ */ |