Tony Lindgren wrote:
From: Janusz Krzysztofik <[email protected]>
This patch adds support for modem device found on Amstrad E3 (Delta) board.
Based on earlier patch by Jonathan McDowell, available at
http://the.earth.li/pub/e3/2.6.19/ams-delta-modem.patch.
Modified after Ladislav Michl's arch/arm/mach-omap1/board-voiceblue.c.
This patch is dependent on 8250 driver changes getting accepted upstream:
http://git.kernel.org/?p=linux/kernel/git/sfr/linux-next.git;a=commit;h=7053133124d5cdf207c1168c7a0c582a18e12ea7
Signed-off-by: Janusz Krzysztofik <[email protected]>
Signed-off-by: Tony Lindgren <[email protected]>
---
arch/arm/mach-omap1/board-ams-delta.c | 38 +++++++++++++++++++++++++++++++++
1 files changed, 38 insertions(+), 0 deletions(-)
Russel,
Unlike all others from the series, this one got no single comment from
you, niether your "OK" nor anything else. I'm not sure what that could
mean, but if there is still something I can do to help getting it into
2.6.32, please let me know.
Thanks,
Janusz
diff --git a/arch/arm/mach-omap1/board-ams-delta.c
b/arch/arm/mach-omap1/board-ams-delta.c
index db4d9a4..40dfa63 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -15,8 +15,11 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/input.h>
+#include <linux/interrupt.h>
#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
+#include <asm/serial.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -234,6 +237,41 @@ static void __init ams_delta_init(void)
platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
}
+static struct plat_serial8250_port ams_delta_modem_ports[] = {
+ {
+ .membase = (void *) AMS_DELTA_MODEM_VIRT,
+ .mapbase = AMS_DELTA_MODEM_PHYS,
+ .irq = -EINVAL, /* changed later */
+ .flags = UPF_BOOT_AUTOCONF,
+ .irqflags = IRQF_TRIGGER_RISING,
+ .iotype = UPIO_MEM,
+ .regshift = 1,
+ .uartclk = BASE_BAUD * 16,
+ },
+ { },
+};
+
+static struct platform_device ams_delta_modem_device = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM1,
+ .dev = {
+ .platform_data = ams_delta_modem_ports,
+ },
+};
+
+static int __init ams_delta_modem_init(void)
+{
+ omap_cfg_reg(M14_1510_GPIO2);
+ ams_delta_modem_ports[0].irq = gpio_to_irq(2);
+
+ ams_delta_latch2_write(
+ AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC,
+ AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC);
+
+ return platform_device_register(&ams_delta_modem_device);
+}
+arch_initcall(ams_delta_modem_init);
+
static void __init ams_delta_map_io(void)
{
omap1_map_common_io();
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