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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-03-24 17:01:45 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-03-24 17:01:45 -0700
commit317ec6cd00f25d05d153a780bc178c5335f320ee (patch)
treeebeab6da87789807d1852edd7228a73cafe4e493
parent0fa7d868ca456ddf4f41b700fd9dee186f8f4e12 (diff)
parent53698d2537bc8c2b8fedc788b8b927da9a004f9b (diff)
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 4278/1: configure pxa27x I2C SCL as "input" [ARM] 4272/1: Missing symbol h1940_pm_return fix [ARM] 4235/1: ns9xxx: declare the clock functions as "const" [ARM] 4271/1: iop32x: fix ep80219 detection (support iq80219 platforms) [ARM] 4270/2: mach-s3c2443/irq.c off by one error in dma irqs
-rw-r--r--arch/arm/mach-iop32x/Kconfig4
-rw-r--r--arch/arm/mach-iop32x/iq31244.c59
-rw-r--r--arch/arm/mach-s3c2410/mach-h1940.c2
-rw-r--r--arch/arm/mach-s3c2440/mach-rx3715.c2
-rw-r--r--arch/arm/mach-s3c2443/irq.c2
-rw-r--r--include/asm-arm/arch-ns9xxx/clock.h10
-rw-r--r--include/asm-arm/arch-pxa/pxa-regs.h2
7 files changed, 68 insertions, 13 deletions
diff --git a/arch/arm/mach-iop32x/Kconfig b/arch/arm/mach-iop32x/Kconfig
index c072d94070da..9dd49cff21ff 100644
--- a/arch/arm/mach-iop32x/Kconfig
+++ b/arch/arm/mach-iop32x/Kconfig
@@ -4,6 +4,9 @@ menu "IOP32x Implementation Options"
comment "IOP32x Platform Types"
+config MACH_EP80219
+ bool
+
config MACH_GLANTANK
bool "Enable support for the IO-Data GLAN Tank"
help
@@ -19,6 +22,7 @@ config ARCH_IQ80321
config ARCH_IQ31244
bool "Enable support for EP80219/IQ31244"
+ select MACH_EP80219
help
Say Y here if you want to run your kernel on the Intel EP80219
evaluation kit for the Intel 80219 processor (a IOP321 variant)
diff --git a/arch/arm/mach-iop32x/iq31244.c b/arch/arm/mach-iop32x/iq31244.c
index 571ac35bc2c7..60e74309a458 100644
--- a/arch/arm/mach-iop32x/iq31244.c
+++ b/arch/arm/mach-iop32x/iq31244.c
@@ -39,22 +39,35 @@
#include <asm/arch/time.h>
/*
- * The EP80219 and IQ31244 use the same machine ID. To find out
- * which of the two we're running on, we look at the processor ID.
+ * Until March of 2007 iq31244 platforms and ep80219 platforms shared the
+ * same machine id, and the processor type was used to select board type.
+ * However this assumption breaks for an iq80219 board which is an iop219
+ * processor on an iq31244 board. The force_ep80219 flag has been added
+ * for old boot loaders using the iq31244 machine id for an ep80219 platform.
*/
+static int force_ep80219;
+
static int is_80219(void)
{
extern int processor_id;
return !!((processor_id & 0xffffffe0) == 0x69052e20);
}
+static int is_ep80219(void)
+{
+ if (machine_is_ep80219() || force_ep80219)
+ return 1;
+ else
+ return 0;
+}
+
/*
* EP80219/IQ31244 timer tick configuration.
*/
static void __init iq31244_timer_init(void)
{
- if (is_80219()) {
+ if (is_ep80219()) {
/* 33.333 MHz crystal. */
iop_init_time(200000000);
} else {
@@ -165,12 +178,18 @@ static struct hw_pci iq31244_pci __initdata = {
static int __init iq31244_pci_init(void)
{
- if (machine_is_iq31244()) {
+ if (is_ep80219())
+ pci_common_init(&ep80219_pci);
+ else if (machine_is_iq31244()) {
if (is_80219()) {
- pci_common_init(&ep80219_pci);
- } else {
- pci_common_init(&iq31244_pci);
+ printk("note: iq31244 board type has been selected\n");
+ printk("note: to select ep80219 operation:\n");
+ printk("\t1/ specify \"force_ep80219\" on the kernel"
+ " command line\n");
+ printk("\t2/ update boot loader to pass"
+ " the ep80219 id: %d\n", MACH_TYPE_EP80219);
}
+ pci_common_init(&iq31244_pci);
}
return 0;
@@ -277,10 +296,18 @@ static void __init iq31244_init_machine(void)
platform_device_register(&iq31244_flash_device);
platform_device_register(&iq31244_serial_device);
- if (is_80219())
+ if (is_ep80219())
pm_power_off = ep80219_power_off;
}
+static int __init force_ep80219_setup(char *str)
+{
+ force_ep80219 = 1;
+ return 1;
+}
+
+__setup("force_ep80219", force_ep80219_setup);
+
MACHINE_START(IQ31244, "Intel IQ31244")
/* Maintainer: Intel Corp. */
.phys_io = IQ31244_UART,
@@ -291,3 +318,19 @@ MACHINE_START(IQ31244, "Intel IQ31244")
.timer = &iq31244_timer,
.init_machine = iq31244_init_machine,
MACHINE_END
+
+/* There should have been an ep80219 machine identifier from the beginning.
+ * Boot roms older than March 2007 do not know the ep80219 machine id. Pass
+ * "force_ep80219" on the kernel command line, otherwise iq31244 operation
+ * will be selected.
+ */
+MACHINE_START(EP80219, "Intel EP80219")
+ /* Maintainer: Intel Corp. */
+ .phys_io = IQ31244_UART,
+ .io_pg_offst = ((IQ31244_UART) >> 18) & 0xfffc,
+ .boot_params = 0xa0000100,
+ .map_io = iq31244_map_io,
+ .init_irq = iop32x_init_irq,
+ .timer = &iq31244_timer,
+ .init_machine = iq31244_init_machine,
+MACHINE_END
diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c
index 01c60d0923cd..d052ab2d9377 100644
--- a/arch/arm/mach-s3c2410/mach-h1940.c
+++ b/arch/arm/mach-s3c2410/mach-h1940.c
@@ -202,7 +202,9 @@ static void __init h1940_map_io(void)
/* setup PM */
+#ifdef CONFIG_PM_H1940
memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
+#endif
s3c2410_pm_init();
}
diff --git a/arch/arm/mach-s3c2440/mach-rx3715.c b/arch/arm/mach-s3c2440/mach-rx3715.c
index 480ccde63fb4..ae1d0a81fd6a 100644
--- a/arch/arm/mach-s3c2440/mach-rx3715.c
+++ b/arch/arm/mach-s3c2440/mach-rx3715.c
@@ -224,7 +224,9 @@ static void __init rx3715_init_irq(void)
static void __init rx3715_init_machine(void)
{
+#ifdef CONFIG_PM_H1940
memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
+#endif
s3c2410_pm_init();
s3c24xx_fb_set_platdata(&rx3715_lcdcfg);
diff --git a/arch/arm/mach-s3c2443/irq.c b/arch/arm/mach-s3c2443/irq.c
index 7a45b6dcb73e..756573595b88 100644
--- a/arch/arm/mach-s3c2443/irq.c
+++ b/arch/arm/mach-s3c2443/irq.c
@@ -137,7 +137,7 @@ static struct irq_chip s3c2443_irq_lcd = {
static void s3c2443_irq_demux_dma(unsigned int irq, struct irq_desc *desc)
{
- s3c2443_irq_demux(IRQ_S3C2443_DMA1, 6);
+ s3c2443_irq_demux(IRQ_S3C2443_DMA0, 6);
}
#define INTMSK_DMA (1UL << (IRQ_S3C2443_DMA - IRQ_EINT0))
diff --git a/include/asm-arm/arch-ns9xxx/clock.h b/include/asm-arm/arch-ns9xxx/clock.h
index 4371a485db47..a7c5ab3d9011 100644
--- a/include/asm-arm/arch-ns9xxx/clock.h
+++ b/include/asm-arm/arch-ns9xxx/clock.h
@@ -11,6 +11,7 @@
#ifndef __ASM_ARCH_CLOCK_H
#define __ASM_ARCH_CLOCK_H
+static inline u32 ns9xxx_systemclock(void) __attribute__((const));
static inline u32 ns9xxx_systemclock(void)
{
/*
@@ -19,17 +20,20 @@ static inline u32 ns9xxx_systemclock(void)
return 353894400;
}
-static inline const u32 ns9xxx_cpuclock(void)
+static inline u32 ns9xxx_cpuclock(void) __attribute__((const));
+static inline u32 ns9xxx_cpuclock(void)
{
return ns9xxx_systemclock() / 2;
}
-static inline const u32 ns9xxx_ahbclock(void)
+static inline u32 ns9xxx_ahbclock(void) __attribute__((const));
+static inline u32 ns9xxx_ahbclock(void)
{
return ns9xxx_systemclock() / 4;
}
-static inline const u32 ns9xxx_bbusclock(void)
+static inline u32 ns9xxx_bbusclock(void) __attribute__((const));
+static inline u32 ns9xxx_bbusclock(void)
{
return ns9xxx_systemclock() / 8;
}
diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h
index aec835b6f057..139c9d954818 100644
--- a/include/asm-arm/arch-pxa/pxa-regs.h
+++ b/include/asm-arm/arch-pxa/pxa-regs.h
@@ -1476,7 +1476,7 @@
#define GPIO112_MMCCMD_MD (112 | GPIO_ALT_FN_1_OUT)
#define GPIO113_I2S_SYSCLK_MD (113 | GPIO_ALT_FN_1_OUT)
#define GPIO113_AC97_RESET_N_MD (113 | GPIO_ALT_FN_2_OUT)
-#define GPIO117_I2CSCL_MD (117 | GPIO_ALT_FN_1_OUT)
+#define GPIO117_I2CSCL_MD (117 | GPIO_ALT_FN_1_IN)
#define GPIO118_I2CSDA_MD (118 | GPIO_ALT_FN_1_IN)
/*

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