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Pi uart: Begin first attempts at UART communication on Pi.

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* Make Kernel ARM UART slightly more generic
  through (BOARD_UART_CLOCK) configured per board
* Add initial Raspberry Pi serial code
* Still rough and non-working
This commit is contained in:
Alexander von Gluck IV
2012-05-04 22:00:23 -05:00
parent b4a80cfb69
commit 52119b503d
10 changed files with 72 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files
headers/private/kernel/arch/arm/board/beagle/board_config.h
+6
View File
@@ -5,6 +5,7 @@
#ifndef _BOARD_OVERO_BOARD_CONFIG_H
#define _BOARD_OVERO_BOARD_CONFIG_H
#define BOARD_NAME_PRETTY "Beagle Board"
#define BOARD_CPU_TYPE_OMAP 1
@@ -12,10 +13,15 @@
#include <arch/arm/omap3.h>
// UART Settings
#define BOARD_UART1_BASE OMAP_UART1_BASE
#define BOARD_UART2_BASE OMAP_UART2_BASE
#define BOARD_UART3_BASE OMAP_UART3_BASE
#define BOARD_DEBUG_UART 2
#define BOARD_UART_CLOCK 48000000
// 48MHz (APLL96/2)
#endif /* _BOARD_OVERO_BOARD_CONFIG_H */
headers/private/kernel/arch/arm/board/neo_freerunner/board_config.h
+6
View File
@@ -5,6 +5,7 @@
#ifndef _BOARD_FREERUNNER_BOARD_CONFIG_H
#define _BOARD_FREERUNNER_BOARD_CONFIG_H
#define BOARD_NAME_PRETTY "Openmoko Neo FreeRunner"
#define BOARD_CPU_TYPE_ARM9 1
@@ -12,10 +13,15 @@
#include <arch/arm/arm920t.h>
// UART Settings
#define BOARD_UART1_BASE UART0_BASE
#define BOARD_UART2_BASE UART1_BASE
#define BOARD_UART3_BASE UART2_BASE
#define BOARD_DEBUG_UART 2
#define BOARD_UART_CLOCK 48000000
// 48MHz (APLL96/2)
#endif /* _BOARD_FREERUNNER_BOARD_CONFIG_H */
headers/private/kernel/arch/arm/board/overo/board_config.h
+6
View File
@@ -5,6 +5,7 @@
#ifndef _BOARD_OVERO_BOARD_CONFIG_H
#define _BOARD_OVERO_BOARD_CONFIG_H
#define BOARD_NAME_PRETTY "Gumstix Overo"
#define BOARD_CPU_TYPE_OMAP 1
@@ -12,10 +13,15 @@
#include <arch/arm/omap3.h>
// UART Settings
#define BOARD_UART1_BASE OMAP_UART1_BASE
#define BOARD_UART2_BASE OMAP_UART2_BASE
#define BOARD_UART3_BASE OMAP_UART3_BASE
#define BOARD_DEBUG_UART 2
#define BOARD_UART_CLOCK 48000000
// 48MHz (APLL96/2)
#endif /* _BOARD_OVERO_BOARD_CONFIG_H */
headers/private/kernel/arch/arm/board/raspberry_pi/board_config.h
+5 -2
View File
@@ -15,12 +15,15 @@
#include <arch/arm/bcm2708.h>
// UART Settings
#define BOARD_UART1_BASE UART0_BASE
#define BOARD_UART2_BASE UART1_BASE
#define BOARD_UART3_BASE UART1_BASE
#warning NO UART3!!!
#define BOARD_UART3_BASE 0
#define BOARD_DEBUG_UART 0
#define BOARD_UART_CLOCK 125000000
/* 125Mhz, strange */
#endif /* _BOARD_RASPBERRY_PI_BOARD_CONFIG_H */
headers/private/kernel/arch/arm/board/verdex/board_config.h
+6
View File
@@ -5,6 +5,7 @@
#ifndef _BOARD_VERDEX_BOARD_CONFIG_H
#define _BOARD_VERDEX_BOARD_CONFIG_H
#define BOARD_NAME_PRETTY "Gumstix Verdex"
#define BOARD_CPU_TYPE_PXA 1
@@ -12,10 +13,15 @@
#include <arch/arm/pxa270.h>
// UART Settings
#define BOARD_UART1_BASE FFUART_BASE
#define BOARD_UART2_BASE BTUART_BASE
#define BOARD_UART3_BASE STUART_BASE
#define BOARD_DEBUG_UART 0
#define BOARD_UART_CLOCK 48000000
// 48MHz (APLL96/2)
#endif /* _BOARD_VERDEX_BOARD_CONFIG_H */