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-rw-r--r--arch/arm/mach-mx1/Kconfig7
-rw-r--r--arch/arm/mach-mx1/Makefile1
-rw-r--r--arch/arm/mach-mx1/clock.c40
-rw-r--r--arch/arm/mach-mx1/devices.c3
-rw-r--r--arch/arm/mach-mx1/mx1ads.c68
-rw-r--r--arch/arm/mach-mx1/scb9328.c160
6 files changed, 242 insertions, 37 deletions
diff --git a/arch/arm/mach-mx1/Kconfig b/arch/arm/mach-mx1/Kconfig
index 2b59fc74784..eb7660f5d4b 100644
--- a/arch/arm/mach-mx1/Kconfig
+++ b/arch/arm/mach-mx1/Kconfig
@@ -1,6 +1,6 @@
if ARCH_MX1
-comment "MX1 Platforms"
+comment "MX1 platforms:"
config MACH_MXLADS
bool
@@ -11,4 +11,9 @@ config ARCH_MX1ADS
help
Say Y here if you are using Motorola MX1ADS/MXLADS boards
+config MACH_SCB9328
+ bool "Synertronixx scb9328"
+ help
+ Say Y here if you are using a Synertronixx scb9328 board
+
endif
diff --git a/arch/arm/mach-mx1/Makefile b/arch/arm/mach-mx1/Makefile
index b969719011f..82f1309568e 100644
--- a/arch/arm/mach-mx1/Makefile
+++ b/arch/arm/mach-mx1/Makefile
@@ -8,3 +8,4 @@ obj-y += generic.o clock.o devices.o
# Specific board support
obj-$(CONFIG_ARCH_MX1ADS) += mx1ads.o
+obj-$(CONFIG_MACH_SCB9328) += scb9328.o \ No newline at end of file
diff --git a/arch/arm/mach-mx1/clock.c b/arch/arm/mach-mx1/clock.c
index 4bcd1ece55f..0d0f306851d 100644
--- a/arch/arm/mach-mx1/clock.c
+++ b/arch/arm/mach-mx1/clock.c
@@ -25,6 +25,7 @@
#include <mach/clock.h>
#include <mach/hardware.h>
+#include <mach/common.h>
#include "crm_regs.h"
static int _clk_enable(struct clk *clk)
@@ -87,33 +88,6 @@ static int _clk_parent_set_rate(struct clk *clk, unsigned long rate)
return clk->parent->set_rate(clk->parent, rate);
}
-/*
- * get the system pll clock in Hz
- *
- * mfi + mfn / (mfd +1)
- * f = 2 * f_ref * --------------------
- * pd + 1
- */
-static unsigned long mx1_decode_pll(unsigned int pll, u32 f_ref)
-{
- unsigned long long ll;
- unsigned long quot;
-
- u32 mfi = (pll >> 10) & 0xf;
- u32 mfn = pll & 0x3ff;
- u32 mfd = (pll >> 16) & 0x3ff;
- u32 pd = (pll >> 26) & 0xf;
-
- mfi = mfi <= 5 ? 5 : mfi;
-
- ll = 2 * (unsigned long long)f_ref *
- ((mfi << 16) + (mfn << 16) / (mfd + 1));
- quot = (pd + 1) * (1 << 16);
- ll += quot / 2;
- do_div(ll, quot);
- return (unsigned long)ll;
-}
-
static unsigned long clk16m_get_rate(struct clk *clk)
{
return 16000000;
@@ -188,7 +162,7 @@ static struct clk prem_clk = {
static unsigned long system_clk_get_rate(struct clk *clk)
{
- return mx1_decode_pll(__raw_readl(CCM_SPCTL0),
+ return mxc_decode_pll(__raw_readl(CCM_SPCTL0),
clk_get_rate(clk->parent));
}
@@ -200,7 +174,7 @@ static struct clk system_clk = {
static unsigned long mcu_clk_get_rate(struct clk *clk)
{
- return mx1_decode_pll(__raw_readl(CCM_MPCTL0),
+ return mxc_decode_pll(__raw_readl(CCM_MPCTL0),
clk_get_rate(clk->parent));
}
@@ -488,7 +462,7 @@ static struct clk clko_clk = {
};
static struct clk dma_clk = {
- .name = "dma_clk",
+ .name = "dma",
.parent = &hclk,
.round_rate = _clk_parent_round_rate,
.set_rate = _clk_parent_set_rate,
@@ -539,7 +513,7 @@ static struct clk gpt_clk = {
};
static struct clk uart_clk = {
- .name = "uart_clk",
+ .name = "uart",
.parent = &perclk[0],
.round_rate = _clk_parent_round_rate,
.set_rate = _clk_parent_set_rate,
@@ -621,7 +595,7 @@ static struct clk *mxc_clks[] = {
&rtc_clk,
};
-int __init mxc_clocks_init(unsigned long fref)
+int __init mx1_clocks_init(unsigned long fref)
{
struct clk **clkp;
unsigned int reg;
@@ -652,5 +626,7 @@ int __init mxc_clocks_init(unsigned long fref)
clk_enable(&hclk);
clk_enable(&fclk);
+ mxc_timer_init(&gpt_clk);
+
return 0;
}
diff --git a/arch/arm/mach-mx1/devices.c b/arch/arm/mach-mx1/devices.c
index a95644193f3..97f42d96d7a 100644
--- a/arch/arm/mach-mx1/devices.c
+++ b/arch/arm/mach-mx1/devices.c
@@ -23,10 +23,11 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
-
#include <mach/irqs.h>
#include <mach/hardware.h>
+#include "devices.h"
+
static struct resource imx_csi_resources[] = {
[0] = {
.start = 0x00224000,
diff --git a/arch/arm/mach-mx1/mx1ads.c b/arch/arm/mach-mx1/mx1ads.c
index 3200cf60e38..7ae229bc1b7 100644
--- a/arch/arm/mach-mx1/mx1ads.c
+++ b/arch/arm/mach-mx1/mx1ads.c
@@ -16,6 +16,8 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
+#include <linux/i2c.h>
+#include <linux/i2c/pcf857x.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -25,7 +27,11 @@
#include <mach/hardware.h>
#include <mach/common.h>
#include <mach/imx-uart.h>
-#include <mach/iomux-mx1-mx2.h>
+#include <mach/irqs.h>
+#ifdef CONFIG_I2C_IMX
+#include <mach/i2c.h>
+#endif
+#include <mach/iomux.h>
#include "devices.h"
/*
@@ -105,6 +111,55 @@ static struct platform_device flash_device = {
};
/*
+ * I2C
+ */
+
+#ifdef CONFIG_I2C_IMX
+static int i2c_pins[] = {
+ PA15_PF_I2C_SDA,
+ PA16_PF_I2C_SCL,
+};
+
+static int i2c_init(struct device *dev)
+{
+ return mxc_gpio_setup_multiple_pins(i2c_pins,
+ ARRAY_SIZE(i2c_pins), "I2C");
+}
+
+static void i2c_exit(struct device *dev)
+{
+ mxc_gpio_release_multiple_pins(i2c_pins,
+ ARRAY_SIZE(i2c_pins));
+}
+
+static struct pcf857x_platform_data pcf857x_data[] = {
+ {
+ .gpio_base = 4 * 32,
+ }, {
+ .gpio_base = 4 * 32 + 16,
+ }
+};
+
+static struct imxi2c_platform_data mx1ads_i2c_data = {
+ .bitrate = 100000,
+ .init = i2c_init,
+ .exit = i2c_exit,
+};
+
+static struct i2c_board_info mx1ads_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("pcf857x", 0x22),
+ .type = "pcf8575",
+ .platform_data = &pcf857x_data[0],
+ }, {
+ I2C_BOARD_INFO("pcf857x", 0x24),
+ .type = "pcf8575",
+ .platform_data = &pcf857x_data[1],
+ },
+};
+#endif
+
+/*
* Board init
*/
static void __init mx1ads_init(void)
@@ -115,12 +170,19 @@ static void __init mx1ads_init(void)
/* Physmap flash */
mxc_register_device(&flash_device, &mx1ads_flash_data);
+
+ /* I2C */
+#ifdef CONFIG_I2C_IMX
+ i2c_register_board_info(0, mx1ads_i2c_devices,
+ ARRAY_SIZE(mx1ads_i2c_devices));
+
+ mxc_register_device(&imx_i2c_device, &mx1ads_i2c_data);
+#endif
}
static void __init mx1ads_timer_init(void)
{
- mxc_clocks_init(32000);
- mxc_timer_init("gpt_clk");
+ mx1_clocks_init(32000);
}
struct sys_timer mx1ads_timer = {
diff --git a/arch/arm/mach-mx1/scb9328.c b/arch/arm/mach-mx1/scb9328.c
new file mode 100644
index 00000000000..0e71f3fa28b
--- /dev/null
+++ b/arch/arm/mach-mx1/scb9328.c
@@ -0,0 +1,160 @@
+/*
+ * linux/arch/arm/mach-mx1/scb9328.c
+ *
+ * Copyright (c) 2004 Sascha Hauer <saschahauer@web.de>
+ * Copyright (c) 2006-2008 Juergen Beisert <jbeisert@netscape.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+#include <linux/interrupt.h>
+#include <linux/dm9000.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+
+#include <mach/common.h>
+#include <mach/hardware.h>
+#include <mach/irqs.h>
+#include <mach/imx-uart.h>
+#include <mach/iomux.h>
+
+#include "devices.h"
+
+/*
+ * This scb9328 has a 32MiB flash
+ */
+static struct resource flash_resource = {
+ .start = IMX_CS0_PHYS,
+ .end = IMX_CS0_PHYS + (32 * 1024 * 1024) - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct physmap_flash_data scb_flash_data = {
+ .width = 2,
+};
+
+static struct platform_device scb_flash_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &scb_flash_data,
+ },
+ .resource = &flash_resource,
+ .num_resources = 1,
+};
+
+/*
+ * scb9328 has a DM9000 network controller
+ * connected to CS5, with 16 bit data path
+ * and interrupt connected to GPIO 3
+ */
+
+/*
+ * internal datapath is fixed 16 bit
+ */
+static struct dm9000_plat_data dm9000_platdata = {
+ .flags = DM9000_PLATF_16BITONLY,
+};
+
+/*
+ * the DM9000 drivers wants two defined address spaces
+ * to gain access to address latch registers and the data path.
+ */
+static struct resource dm9000x_resources[] = {
+ [0] = {
+ .name = "address area",
+ .start = IMX_CS5_PHYS,
+ .end = IMX_CS5_PHYS + 1,
+ .flags = IORESOURCE_MEM /* address access */
+ },
+ [1] = {
+ .name = "data area",
+ .start = IMX_CS5_PHYS + 4,
+ .end = IMX_CS5_PHYS + 5,
+ .flags = IORESOURCE_MEM /* data access */
+ },
+ [2] = {
+ .start = IRQ_GPIOC(3),
+ .end = IRQ_GPIOC(3),
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL
+ },
+};
+
+static struct platform_device dm9000x_device = {
+ .name = "dm9000",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(dm9000x_resources),
+ .resource = dm9000x_resources,
+ .dev = {
+ .platform_data = &dm9000_platdata,
+ }
+};
+
+static int mxc_uart1_pins[] = {
+ PC9_PF_UART1_CTS,
+ PC10_PF_UART1_RTS,
+ PC11_PF_UART1_TXD,
+ PC12_PF_UART1_RXD,
+};
+
+static int uart1_mxc_init(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
+ ARRAY_SIZE(mxc_uart1_pins), "UART1");
+}
+
+static int uart1_mxc_exit(struct platform_device *pdev)
+{
+ mxc_gpio_release_multiple_pins(mxc_uart1_pins,
+ ARRAY_SIZE(mxc_uart1_pins));
+ return 0;
+}
+
+static struct imxuart_platform_data uart_pdata = {
+ .init = uart1_mxc_init,
+ .exit = uart1_mxc_exit,
+ .flags = IMXUART_HAVE_RTSCTS,
+};
+
+static struct platform_device *devices[] __initdata = {
+ &scb_flash_device,
+ &dm9000x_device,
+};
+
+/*
+ * scb9328_init - Init the CPU card itself
+ */
+static void __init scb9328_init(void)
+{
+ mxc_register_device(&imx_uart1_device, &uart_pdata);
+
+ printk(KERN_INFO"Scb9328: Adding devices\n");
+ platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+static void __init scb9328_timer_init(void)
+{
+ mx1_clocks_init(32000);
+}
+
+static struct sys_timer scb9328_timer = {
+ .init = scb9328_timer_init,
+};
+
+MACHINE_START(SCB9328, "Synertronixx scb9328")
+ /* Sascha Hauer */
+ .phys_io = 0x00200000,
+ .io_pg_offst = ((0xe0200000) >> 18) & 0xfffc,
+ .boot_params = 0x08000100,
+ .map_io = mxc_map_io,
+ .init_irq = mxc_init_irq,
+ .timer = &scb9328_timer,
+ .init_machine = scb9328_init,
+MACHINE_END