xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[PATCH] ppc32: Add support for MPC8245 8250 serial ports on Sandpoint

Browse Source 
Added platform device initialization for the two 8250 style UARTs that
exist on the MPC8245.  Additionally, updated the Sandpoint code to enable
one of these UARTs if an MPC8245 is connected to it.

Signed-off-by: Matt McClintock <msm@freescale.com>
Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Kumar Gala
2005-06-21 17:15:23 -07:00
committed by Linus Torvalds
parent 1e5aa8c865
commit 682afbbd14
2 changed files with 40 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
arch/ppc/platforms/sandpoint.c
View File

@@ -81,6 +81,7 @@
#include <linux/serial.h>
#include <linux/tty.h> /* for linux/serial_core.h */
#include <linux/serial_core.h>
#include <linux/serial_8250.h>
#include <asm/system.h>
#include <asm/pgtable.h>
@@ -99,6 +100,7 @@
#include <asm/mpc10x.h>
#include <asm/pci-bridge.h>
#include <asm/kgdb.h>
#include <asm/ppc_sys.h>
#include "sandpoint.h"
@@ -305,6 +307,24 @@ sandpoint_setup_arch(void)
/* Lookup PCI host bridges */
sandpoint_find_bridges();
if (strncmp (cur_ppc_sys_spec->ppc_sys_name, "8245", 4) == 0)
{
bd_t *bp = (bd_t *)__res;
struct plat_serial8250_port *pdata;
pdata = (struct plat_serial8250_port *) ppc_sys_get_pdata(MPC10X_DUART);
if (pdata)
{
pdata[0].uartclk = bp->bi_busfreq;
pdata[0].membase = ioremap(pdata[0].mapbase, 0x100);
/* this disables the 2nd serial port on the DUART
* since the sandpoint does not have it connected */
pdata[1].uartclk = 0;
pdata[1].irq = 0;
pdata[1].mapbase = 0;
}
printk(KERN_INFO "Motorola SPS Sandpoint Test Platform\n");
printk(KERN_INFO "Port by MontaVista Software, Inc. (source@mvista.com)\n");