summaryrefslogtreecommitdiff
path: root/arch/arm/mach-u300/core.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-u300/core.c')
-rw-r--r--arch/arm/mach-u300/core.c100
1 files changed, 23 insertions, 77 deletions
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
index 03acf1883ec..ef6f602b7e4 100644
--- a/arch/arm/mach-u300/core.c
+++ b/arch/arm/mach-u300/core.c
@@ -3,7 +3,7 @@
* arch/arm/mach-u300/core.c
*
*
- * Copyright (C) 2007-2010 ST-Ericsson SA
+ * Copyright (C) 2007-2012 ST-Ericsson SA
* License terms: GNU General Public License (GPL) version 2
* Core platform support, IRQ handling and device definitions.
* Author: Linus Walleij <linus.walleij@stericsson.com>
@@ -31,23 +31,26 @@
#include <linux/pinctrl/pinconf-generic.h>
#include <linux/dma-mapping.h>
#include <linux/platform_data/clk-u300.h>
+#include <linux/platform_data/pinctrl-coh901.h>
#include <asm/types.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <asm/hardware/vic.h>
#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
#include <mach/coh901318.h>
#include <mach/hardware.h>
#include <mach/syscon.h>
-#include <mach/dma_channels.h>
-#include <mach/gpio-u300.h>
+#include <mach/irqs.h>
+#include "timer.h"
#include "spi.h"
#include "i2c.h"
#include "u300-gpio.h"
+#include "dma_channels.h"
/*
* Static I/O mappings that are needed for booting the U300 platforms. The
@@ -76,7 +79,7 @@ static struct map_desc u300_io_desc[] __initdata = {
},
};
-void __init u300_map_io(void)
+static void __init u300_map_io(void)
{
iotable_init(u300_io_desc, ARRAY_SIZE(u300_io_desc));
/* We enable a real big DMA buffer if need be. */
@@ -101,7 +104,6 @@ static AMBA_APB_DEVICE(uart0, "uart0", 0, U300_UART0_BASE,
{ IRQ_U300_UART0 }, &uart0_plat_data);
/* The U335 have an additional UART1 on the APP CPU */
-#ifdef CONFIG_MACH_U300_BS335
static struct amba_pl011_data uart1_plat_data = {
#ifdef CONFIG_COH901318
.dma_filter = coh901318_filter_id,
@@ -113,7 +115,6 @@ static struct amba_pl011_data uart1_plat_data = {
/* Fast device at 0x7000 offset */
static AMBA_APB_DEVICE(uart1, "uart1", 0, U300_UART1_BASE,
{ IRQ_U300_UART1 }, &uart1_plat_data);
-#endif
/* AHB device at 0x4000 offset */
static AMBA_APB_DEVICE(pl172, "pl172", 0, U300_EMIF_CFG_BASE, { }, NULL);
@@ -152,9 +153,7 @@ static AMBA_APB_DEVICE(mmcsd, "mmci", 0, U300_MMCSD_BASE,
*/
static struct amba_device *amba_devs[] __initdata = {
&uart0_device,
-#ifdef CONFIG_MACH_U300_BS335
&uart1_device,
-#endif
&pl022_device,
&pl172_device,
&mmcsd_device,
@@ -188,7 +187,6 @@ static struct resource gpio_resources[] = {
.end = IRQ_U300_GPIO_PORT2,
.flags = IORESOURCE_IRQ,
},
-#if defined(CONFIG_MACH_U300_BS365) || defined(CONFIG_MACH_U300_BS335)
{
.name = "gpio3",
.start = IRQ_U300_GPIO_PORT3,
@@ -201,8 +199,6 @@ static struct resource gpio_resources[] = {
.end = IRQ_U300_GPIO_PORT4,
.flags = IORESOURCE_IRQ,
},
-#endif
-#ifdef CONFIG_MACH_U300_BS335
{
.name = "gpio5",
.start = IRQ_U300_GPIO_PORT5,
@@ -215,7 +211,6 @@ static struct resource gpio_resources[] = {
.end = IRQ_U300_GPIO_PORT6,
.flags = IORESOURCE_IRQ,
},
-#endif /* CONFIG_MACH_U300_BS335 */
};
static struct resource keypad_resources[] = {
@@ -323,7 +318,6 @@ static struct resource dma_resource[] = {
}
};
-#ifdef CONFIG_MACH_U300_BS335
/* points out all dma slave channels.
* Syntax is [A1, B1, A2, B2, .... ,-1,-1]
* Select all channels from A to B, end of list is marked with -1,-1
@@ -336,14 +330,6 @@ static int dma_slave_channels[] = {
static int dma_memcpy_channels[] = {
U300_DMA_GENERAL_PURPOSE_0, U300_DMA_GENERAL_PURPOSE_8, -1, -1};
-#else /* CONFIG_MACH_U300_BS335 */
-
-static int dma_slave_channels[] = {U300_DMA_MSL_TX_0, U300_DMA_SPI_RX, -1, -1};
-static int dma_memcpy_channels[] = {
- U300_DMA_GENERAL_PURPOSE_0, U300_DMA_GENERAL_PURPOSE_10, -1, -1};
-
-#endif
-
/** register dma for memory access
*
* active 1 means dma intends to access memory
@@ -1395,7 +1381,6 @@ const struct coh_dma_channel chan_config[U300_DMA_CHANNELS] = {
.param.ctrl_lli = flags_memcpy_lli,
.param.ctrl_lli_last = flags_memcpy_lli_last,
},
-#ifdef CONFIG_MACH_U300_BS335
{
.number = U300_DMA_UART1_TX,
.name = "UART1 TX",
@@ -1406,28 +1391,6 @@ const struct coh_dma_channel chan_config[U300_DMA_CHANNELS] = {
.name = "UART1 RX",
.priority_high = 0,
}
-#else
- {
- .number = U300_DMA_GENERAL_PURPOSE_9,
- .name = "GENERAL 09",
- .priority_high = 0,
-
- .param.config = flags_memcpy_config,
- .param.ctrl_lli_chained = flags_memcpy_lli_chained,
- .param.ctrl_lli = flags_memcpy_lli,
- .param.ctrl_lli_last = flags_memcpy_lli_last,
- },
- {
- .number = U300_DMA_GENERAL_PURPOSE_10,
- .name = "GENERAL 10",
- .priority_high = 0,
-
- .param.config = flags_memcpy_config,
- .param.ctrl_lli_chained = flags_memcpy_lli_chained,
- .param.ctrl_lli = flags_memcpy_lli,
- .param.ctrl_lli_last = flags_memcpy_lli_last,
- }
-#endif
};
@@ -1480,18 +1443,7 @@ static struct platform_device pinctrl_device = {
* GPIO block, with different number of ports.
*/
static struct u300_gpio_platform u300_gpio_plat = {
-#if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330)
- .variant = U300_GPIO_COH901335,
- .ports = 3,
-#endif
-#ifdef CONFIG_MACH_U300_BS335
- .variant = U300_GPIO_COH901571_3_BS335,
.ports = 7,
-#endif
-#ifdef CONFIG_MACH_U300_BS365
- .variant = U300_GPIO_COH901571_3_BS365,
- .ports = 5,
-#endif
.gpio_base = 0,
.gpio_irq_base = IRQ_U300_GPIO_BASE,
.pinctrl_device = &pinctrl_device,
@@ -1651,7 +1603,7 @@ static struct platform_device *platform_devs[] __initdata = {
* together so some interrupts are connected to the first one and some
* to the second one.
*/
-void __init u300_init_irq(void)
+static void __init u300_init_irq(void)
{
u32 mask[2] = {0, 0};
struct clk *clk;
@@ -1756,29 +1708,11 @@ static void __init u300_init_check_chip(void)
printk(KERN_INFO "Initializing U300 system on %s baseband chip " \
"(chip ID 0x%04x)\n", chipname, val);
-#ifdef CONFIG_MACH_U300_BS330
- if ((val & 0xFF00U) != 0xd800) {
- printk(KERN_ERR "Platform configured for BS330 " \
- "with DB3200 but %s detected, expect problems!",
- chipname);
- }
-#endif
-#ifdef CONFIG_MACH_U300_BS335
if ((val & 0xFF00U) != 0xf000 && (val & 0xFF00U) != 0xf100) {
printk(KERN_ERR "Platform configured for BS335 " \
" with DB3350 but %s detected, expect problems!",
chipname);
}
-#endif
-#ifdef CONFIG_MACH_U300_BS365
- if ((val & 0xFF00U) != 0xe800) {
- printk(KERN_ERR "Platform configured for BS365 " \
- "with DB3210 but %s detected, expect problems!",
- chipname);
- }
-#endif
-
-
}
/*
@@ -1811,7 +1745,7 @@ static void __init u300_assign_physmem(void)
}
}
-void __init u300_init_devices(void)
+static void __init u300_init_machine(void)
{
int i;
u16 val;
@@ -1852,7 +1786,7 @@ void __init u300_init_devices(void)
/* Forward declare this function from the watchdog */
void coh901327_watchdog_reset(void);
-void u300_restart(char mode, const char *cmd)
+static void u300_restart(char mode, const char *cmd)
{
switch (mode) {
case 's':
@@ -1868,3 +1802,15 @@ void u300_restart(char mode, const char *cmd)
/* Wait for system do die/reset. */
while (1);
}
+
+MACHINE_START(U300, "Ericsson AB U335 S335/B335 Prototype Board")
+ /* Maintainer: Linus Walleij <linus.walleij@stericsson.com> */
+ .atag_offset = 0x100,
+ .map_io = u300_map_io,
+ .nr_irqs = NR_IRQS_U300,
+ .init_irq = u300_init_irq,
+ .handle_irq = vic_handle_irq,
+ .timer = &u300_timer,
+ .init_machine = u300_init_machine,
+ .restart = u300_restart,
+MACHINE_END
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 02:04:13 +0000