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MCC200 board: support console on any one of the Quad UART ports.

This commit is contained in:
Wolfgang Denk 2006-07-11 00:23:54 +02:00
parent 985b950a9b
commit 87791f3bf2
2 changed files with 64 additions and 0 deletions
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2
CHANGELOG
View File

@ -2,6 +2,8 @@
Changes since U-Boot 1.1.4:
======================================================================
* MCC200 board: support console on any one of the Quad UART ports.
* Fix error in flash protection calculation on MCC200 board.
* Major PCMCIA Cleanup to make code better readable and maintainable.

62
include/configs/mcc200.h
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@ -47,8 +47,22 @@
/*
* Serial console configuration
*
* To select console on the one of 8 external UARTs,
* define CONFIG_QUART_CONSOLE as 1, 2, 3, or 4 for the first Quad UART,
* or as 5, 6, 7, or 8 for the second Quad UART.
*
* CONFIG_PSC_CONSOLE must be undefined in this case.
*/
/* #define CONFIG_QUART_CONSOLE 1 */ /* console is on UART1 of QUART1 */
/*
* To select console on PSC1, define CONFIG_PSC_CONSOLE as 1
* and undefine CONFIG_QUART_CONSOLE.
*/
#define CONFIG_PSC_CONSOLE 1 /* console is on PSC1 */
#if defined(CONFIG_QUART_CONSOLE) && defined(CONFIG_PSC_CONSOLE)
#error "Select only one console device!"
#endif
#define CONFIG_BAUDRATE 115200
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
@ -261,11 +275,59 @@
#define CFG_CS1_SIZE 0x00001000
#define CFG_CS1_CFG 0x1d300
/* Second Quad UART @0x80010000 */
#define CFG_CS1_START 0x80010000
#define CFG_CS1_SIZE 0x00001000
#define CFG_CS1_CFG 0x1d300
/*
* Select one of quarts as a default
* console. If undefined - PSC console
* wil be default
*/
#define CFG_CS_BURST 0x00000000
#define CFG_CS_DEADCYCLE 0x33333333
#define CFG_RESET_ADDRESS 0xff000000
/*
* QUART Expanders support
*/
#if defined(CONFIG_QUART_CONSOLE)
/*
* We'll use NS16550 chip routines,
*/
#define CFG_NS16550 1
#define CFG_NS16550_SERIAL 1
#define CONFIG_CONS_INDEX 1
/*
* To achieve necessary offset on SC16C554
* A0-A2 (register select) pins with NS16550
* functions (in struct NS16550), REG_SIZE
* should be 4, because A0-A2 pins are connected
* to DA2-DA4 address bus lines.
*/
#define CFG_NS16550_REG_SIZE 4
/*
* LocalPlus Bus already inited in cpu_init_f(),
* so can work with QUART's chip selects.
* One of four SC16C554 UARTs is selected with
* A3-A4 (DA5-DA6) lines.
*/
#if (CONFIG_QUART_CONSOLE > 0) && (CONFIG_QUART_CONSOLE < 5)
#define CFG_NS16550_COM1 (CFG_CS2_START | (CONFIG_QUART_CONSOLE - 1)<<5)
#elif (CONFIG_QUART_CONSOLE > 4) && (CONFIG_QUART_CONSOLE < 9)
#define CFG_NS16550_COM1 (CFG_CS1_START | (CONFIG_QUART_CONSOLE - 5)<<5)
#elif
#error "Wrong QUART expander number."
#endif
/*
* SC16C554 chip's external crystal oscillator frequency
* is 7.3728 MHz
*/
#define CFG_NS16550_CLK 7372800
#endif /* CONFIG_QUART_CONSOLE */
/*-----------------------------------------------------------------------
* USB stuff
*-----------------------------------------------------------------------