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malta: enable RTC support 

This is actually required in order for a Linux kernel to boot
successfully on a physical Malta board. Without enabling the RTC, a
Malta Linux kernel will get stuck in its estimate_frequencies function
on boot.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
This commit is contained in:
Paul Burton 2013-11-08 11:18:55 +00:00 committed by Daniel Schwierzeck
parent e174bd74c9
commit 3ced12a06b
3 changed files with 14 additions and 1 deletions
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8
board/imgtec/malta/malta.c
View File

@ -9,6 +9,7 @@
#include <netdev.h> #include <netdev.h>
#include <pci_gt64120.h> #include <pci_gt64120.h>
#include <pci_msc01.h> #include <pci_msc01.h>
#include <rtc.h>
#include <serial.h> #include <serial.h>
#include <asm/addrspace.h> #include <asm/addrspace.h>
@ -147,6 +148,13 @@ int board_early_init_f(void)
return 0; return 0;
} }
int misc_init_r(void)
{
rtc_reset();
return 0;
}
struct serial_device *default_serial_console(void) struct serial_device *default_serial_console(void)
{ {
switch (malta_sys_con()) { switch (malta_sys_con()) {

2
drivers/rtc/mc146818.c
View File

@ -15,7 +15,7 @@
#include <command.h> #include <command.h>
#include <rtc.h> #include <rtc.h>
#ifdef __I386__ #if defined(__I386__) || defined(CONFIG_MALTA)
#include <asm/io.h> #include <asm/io.h>
#define in8(p) inb(p) #define in8(p) inb(p)
#define out8(p, v) outb(v, p) #define out8(p, v) outb(v, p)

5
include/configs/malta.h
View File

@ -23,6 +23,10 @@
#define CONFIG_PCNET_79C973 #define CONFIG_PCNET_79C973
#define PCNET_HAS_PROM #define PCNET_HAS_PROM
#define CONFIG_MISC_INIT_R
#define CONFIG_RTC_MC146818
#define CONFIG_SYS_ISA_IO_BASE_ADDRESS 0
/* /*
* CPU Configuration * CPU Configuration
*/ */
@ -105,6 +109,7 @@
#undef CONFIG_CMD_LOADS #undef CONFIG_CMD_LOADS
#undef CONFIG_CMD_NFS #undef CONFIG_CMD_NFS
#define CONFIG_CMD_DATE
#define CONFIG_CMD_DHCP #define CONFIG_CMD_DHCP
#define CONFIG_CMD_PCI #define CONFIG_CMD_PCI
#define CONFIG_CMD_PING #define CONFIG_CMD_PING