Collie is slightly strange; it does not seem to have proper ucb1x00
ID. With this patch, basic ucb support seems to work and I can get
interrupts from battery.
Signed-off-by: Pavel Machek <[email protected]>
---
commit 7247714847e6e3eebcdd71c58a4f730e12f0e56b
tree 555a0b987efd7b625097032bf894620574472f2c
parent 5a5269552a832668451518423ab7c1ece8d814e8
author <pavel@amd.(none)> Sun, 31 Jul 2005 15:45:30 +0200
committer <pavel@amd.(none)> Sun, 31 Jul 2005 15:45:30 +0200
drivers/misc/mcp-sa1100.c | 13 +++++++++++--
drivers/misc/ucb1x00-core.c | 15 ++++++++++-----
2 files changed, 21 insertions(+), 7 deletions(-)
diff --git a/drivers/misc/mcp-sa1100.c b/drivers/misc/mcp-sa1100.c
--- a/drivers/misc/mcp-sa1100.c
+++ b/drivers/misc/mcp-sa1100.c
@@ -149,7 +149,7 @@ static int mcp_sa1100_probe(struct devic
!machine_is_graphicsmaster() && !machine_is_lart() &&
!machine_is_omnimeter() && !machine_is_pfs168() &&
!machine_is_shannon() && !machine_is_simpad() &&
- !machine_is_yopy())
+ !machine_is_yopy() && !machine_is_collie())
return -ENODEV;
if (!request_mem_region(0x80060000, 0x60, "sa11x0-mcp"))
@@ -170,6 +170,12 @@ static int mcp_sa1100_probe(struct devic
ASSABET_BCR_set(ASSABET_BCR_CODEC_RST);
}
+ if (machine_is_collie()) {
+ GAFR &= ~(GPIO_GPIO(16));
+ GPDR |= GPIO_GPIO(16);
+ GPSR |= GPIO_GPIO(16);
+ }
+
/*
* Setup the PPC unit correctly.
*/
@@ -181,7 +187,10 @@ static int mcp_sa1100_probe(struct devic
Ser4MCSR = -1;
Ser4MCCR1 = 0;
- Ser4MCCR0 = 0x00007f7f | MCCR0_ADM;
+ if (machine_is_collie())
+ Ser4MCCR0 = MCCR0_ADM | MCCR0_ExtClk;
+ else
+ Ser4MCCR0 = 0x00007f7f | MCCR0_ADM;
/*
* Calculate the read/write timeout (us) from the bit clock
diff --git a/drivers/misc/ucb1x00-core.c b/drivers/misc/ucb1x00-core.c
--- a/drivers/misc/ucb1x00-core.c
+++ b/drivers/misc/ucb1x00-core.c
@@ -28,6 +28,7 @@
#include <asm/dma.h>
#include <asm/hardware.h>
#include <asm/irq.h>
+#include <asm/mach-types.h>
#include <asm/arch/ucb1x00.h>
@@ -461,15 +462,19 @@ static int ucb1x00_probe(struct mcp *mcp
{
struct ucb1x00 *ucb;
struct ucb1x00_driver *drv;
- unsigned int id;
+ unsigned int id = UCB_ID_1200;
int ret = -ENODEV;
mcp_enable(mcp);
- id = mcp_reg_read(mcp, UCB_ID);
- if (id != UCB_ID_1200 && id != UCB_ID_1300) {
- printk(KERN_WARNING "UCB1x00 ID not found: %04x\n", id);
- goto err_disable;
+ if (!machine_is_collie()) {
+ id = mcp_reg_read(mcp, UCB_ID);
+
+ /* Ouch? Collie produces basically random numbers. */
+ if (id != UCB_ID_1200 && id != UCB_ID_1300) {
+ printk(KERN_WARNING "UCB1x00 ID not found: %04x\n", id);
+ goto err_disable;
+ }
}
ucb = kmalloc(sizeof(struct ucb1x00), GFP_KERNEL);
--
if you have sharp zaurus hardware you don't need... you know my address
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