summaryrefslogtreecommitdiff
path: root/arch/m68k/coldfire
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68k/coldfire')
-rw-r--r--arch/m68k/coldfire/Makefile1
-rw-r--r--arch/m68k/coldfire/amcore.c156
-rw-r--r--arch/m68k/coldfire/device.c159
-rw-r--r--arch/m68k/coldfire/m5206.c12
-rw-r--r--arch/m68k/coldfire/m520x.c24
-rw-r--r--arch/m68k/coldfire/m523x.c18
-rw-r--r--arch/m68k/coldfire/m5249.c25
-rw-r--r--arch/m68k/coldfire/m525x.c10
-rw-r--r--arch/m68k/coldfire/m527x.c28
-rw-r--r--arch/m68k/coldfire/m528x.c18
-rw-r--r--arch/m68k/coldfire/m5307.c14
-rw-r--r--arch/m68k/coldfire/m53xx.c20
-rw-r--r--arch/m68k/coldfire/m5407.c14
-rw-r--r--arch/m68k/coldfire/m5441x.c12
-rw-r--r--arch/m68k/coldfire/m54xx.c17
15 files changed, 512 insertions, 16 deletions
diff --git a/arch/m68k/coldfire/Makefile b/arch/m68k/coldfire/Makefile
index 68f0fac60099..4aa2c57afc35 100644
--- a/arch/m68k/coldfire/Makefile
+++ b/arch/m68k/coldfire/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_NETtel) += nettel.o
obj-$(CONFIG_CLEOPATRA) += nettel.o
obj-$(CONFIG_FIREBEE) += firebee.o
obj-$(CONFIG_MCF8390) += mcf8390.o
+obj-$(CONFIG_AMCORE) += amcore.o
obj-$(CONFIG_PCI) += pci.o
diff --git a/arch/m68k/coldfire/amcore.c b/arch/m68k/coldfire/amcore.c
new file mode 100644
index 000000000000..c6cb1a5cc1a5
--- /dev/null
+++ b/arch/m68k/coldfire/amcore.c
@@ -0,0 +1,156 @@
+/*
+ * amcore.c -- Support for Sysam AMCORE open board
+ *
+ * (C) Copyright 2016, Angelo Dureghello <angelo@sysam.it>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/dm9000.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/i2c.h>
+
+#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+#include <asm/io.h>
+
+#if IS_ENABLED(CONFIG_DM9000)
+
+#define DM9000_IRQ 25
+#define DM9000_ADDR 0x30000000
+
+/*
+ * DEVICES and related device RESOURCES
+ */
+static struct resource dm9000_resources[] = {
+ /* physical address of the address register (CMD [A2] to 0)*/
+ [0] = {
+ .start = DM9000_ADDR,
+ .end = DM9000_ADDR,
+ .flags = IORESOURCE_MEM,
+ },
+ /*
+ * physical address of the data register (CMD [A2] to 1),
+ * driver wants a range >=4 to assume a 32bit data bus
+ */
+ [1] = {
+ .start = DM9000_ADDR + 4,
+ .end = DM9000_ADDR + 7,
+ .flags = IORESOURCE_MEM,
+ },
+ /* IRQ line the device's interrupt pin is connected to */
+ [2] = {
+ .start = DM9000_IRQ,
+ .end = DM9000_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct dm9000_plat_data dm9000_platdata = {
+ .flags = DM9000_PLATF_32BITONLY,
+};
+
+static struct platform_device dm9000_device = {
+ .name = "dm9000",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(dm9000_resources),
+ .resource = dm9000_resources,
+ .dev = {
+ .platform_data = &dm9000_platdata,
+ }
+};
+#endif
+
+static void __init dm9000_pre_init(void)
+{
+ /* Set the dm9000 interrupt to be auto-vectored */
+ mcf_autovector(DM9000_IRQ);
+}
+
+/*
+ * Partitioning of parallel NOR flash (39VF3201B)
+ */
+static struct mtd_partition amcore_partitions[] = {
+ {
+ .name = "U-Boot (128K)",
+ .size = 0x20000,
+ .offset = 0x0
+ },
+ {
+ .name = "Kernel+ROMfs (2994K)",
+ .size = 0x2E0000,
+ .offset = MTDPART_OFS_APPEND
+ },
+ {
+ .name = "Flash Free Space (1024K)",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND
+ }
+};
+
+static struct physmap_flash_data flash_data = {
+ .parts = amcore_partitions,
+ .nr_parts = ARRAY_SIZE(amcore_partitions),
+ .width = 2,
+};
+
+static struct resource flash_resource = {
+ .start = 0xffc00000,
+ .end = 0xffffffff,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device flash_device = {
+ .name = "physmap-flash",
+ .id = -1,
+ .resource = &flash_resource,
+ .num_resources = 1,
+ .dev = {
+ .platform_data = &flash_data,
+ },
+};
+
+static struct platform_device rtc_device = {
+ .name = "rtc-ds1307",
+ .id = -1,
+};
+
+static struct i2c_board_info amcore_i2c_info[] __initdata = {
+ {
+ I2C_BOARD_INFO("ds1338", 0x68),
+ },
+};
+
+static struct platform_device *amcore_devices[] __initdata = {
+#if IS_ENABLED(CONFIG_DM9000)
+ &dm9000_device,
+#endif
+ &flash_device,
+ &rtc_device,
+};
+
+static int __init init_amcore(void)
+{
+#if IS_ENABLED(CONFIG_DM9000)
+ dm9000_pre_init();
+#endif
+
+ /* Add i2c RTC Dallas chip supprt */
+ i2c_register_board_info(0, amcore_i2c_info,
+ ARRAY_SIZE(amcore_i2c_info));
+
+ platform_add_devices(amcore_devices, ARRAY_SIZE(amcore_devices));
+
+ return 0;
+}
+
+arch_initcall(init_amcore);
diff --git a/arch/m68k/coldfire/device.c b/arch/m68k/coldfire/device.c
index a0fc0c192427..84938fdbbada 100644
--- a/arch/m68k/coldfire/device.c
+++ b/arch/m68k/coldfire/device.c
@@ -327,6 +327,147 @@ static struct platform_device mcf_qspi = {
};
#endif /* IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) */
+#if IS_ENABLED(CONFIG_I2C_IMX)
+static struct resource mcf_i2c0_resources[] = {
+ {
+ .start = MCFI2C_BASE0,
+ .end = MCFI2C_BASE0 + MCFI2C_SIZE0 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = MCF_IRQ_I2C0,
+ .end = MCF_IRQ_I2C0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mcf_i2c0 = {
+ .name = "imx1-i2c",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(mcf_i2c0_resources),
+ .resource = mcf_i2c0_resources,
+};
+#ifdef MCFI2C_BASE1
+
+static struct resource mcf_i2c1_resources[] = {
+ {
+ .start = MCFI2C_BASE1,
+ .end = MCFI2C_BASE1 + MCFI2C_SIZE1 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = MCF_IRQ_I2C1,
+ .end = MCF_IRQ_I2C1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mcf_i2c1 = {
+ .name = "imx1-i2c",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(mcf_i2c1_resources),
+ .resource = mcf_i2c1_resources,
+};
+
+#endif /* MCFI2C_BASE1 */
+
+#ifdef MCFI2C_BASE2
+
+static struct resource mcf_i2c2_resources[] = {
+ {
+ .start = MCFI2C_BASE2,
+ .end = MCFI2C_BASE2 + MCFI2C_SIZE2 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = MCF_IRQ_I2C2,
+ .end = MCF_IRQ_I2C2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mcf_i2c2 = {
+ .name = "imx1-i2c",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(mcf_i2c2_resources),
+ .resource = mcf_i2c2_resources,
+};
+
+#endif /* MCFI2C_BASE2 */
+
+#ifdef MCFI2C_BASE3
+
+static struct resource mcf_i2c3_resources[] = {
+ {
+ .start = MCFI2C_BASE3,
+ .end = MCFI2C_BASE3 + MCFI2C_SIZE3 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = MCF_IRQ_I2C3,
+ .end = MCF_IRQ_I2C3,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mcf_i2c3 = {
+ .name = "imx1-i2c",
+ .id = 3,
+ .num_resources = ARRAY_SIZE(mcf_i2c3_resources),
+ .resource = mcf_i2c3_resources,
+};
+
+#endif /* MCFI2C_BASE3 */
+
+#ifdef MCFI2C_BASE4
+
+static struct resource mcf_i2c4_resources[] = {
+ {
+ .start = MCFI2C_BASE4,
+ .end = MCFI2C_BASE4 + MCFI2C_SIZE4 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = MCF_IRQ_I2C4,
+ .end = MCF_IRQ_I2C4,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mcf_i2c4 = {
+ .name = "imx1-i2c",
+ .id = 4,
+ .num_resources = ARRAY_SIZE(mcf_i2c4_resources),
+ .resource = mcf_i2c4_resources,
+};
+
+#endif /* MCFI2C_BASE4 */
+
+#ifdef MCFI2C_BASE5
+
+static struct resource mcf_i2c5_resources[] = {
+ {
+ .start = MCFI2C_BASE5,
+ .end = MCFI2C_BASE5 + MCFI2C_SIZE5 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = MCF_IRQ_I2C5,
+ .end = MCF_IRQ_I2C5,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mcf_i2c5 = {
+ .name = "imx1-i2c",
+ .id = 5,
+ .num_resources = ARRAY_SIZE(mcf_i2c5_resources),
+ .resource = mcf_i2c5_resources,
+};
+
+#endif /* MCFI2C_BASE5 */
+#endif /* IS_ENABLED(CONFIG_I2C_IMX) */
+
static struct platform_device *mcf_devices[] __initdata = {
&mcf_uart,
#if IS_ENABLED(CONFIG_FEC)
@@ -338,6 +479,24 @@ static struct platform_device *mcf_devices[] __initdata = {
#if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI)
&mcf_qspi,
#endif
+#if IS_ENABLED(CONFIG_I2C_IMX)
+ &mcf_i2c0,
+#ifdef MCFI2C_BASE1
+ &mcf_i2c1,
+#endif
+#ifdef MCFI2C_BASE2
+ &mcf_i2c2,
+#endif
+#ifdef MCFI2C_BASE3
+ &mcf_i2c3,
+#endif
+#ifdef MCFI2C_BASE4
+ &mcf_i2c4,
+#endif
+#ifdef MCFI2C_BASE5
+ &mcf_i2c5,
+#endif
+#endif
};
/*
diff --git a/arch/m68k/coldfire/m5206.c b/arch/m68k/coldfire/m5206.c
index 8945f5e7b39c..a3bcf0883f98 100644
--- a/arch/m68k/coldfire/m5206.c
+++ b/arch/m68k/coldfire/m5206.c
@@ -26,6 +26,7 @@ DEFINE_CLK(mcftmr0, "mcftmr.0", MCF_BUSCLK);
DEFINE_CLK(mcftmr1, "mcftmr.1", MCF_BUSCLK);
DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK);
DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK);
+DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK);
struct clk *mcf_clks[] = {
&clk_pll,
@@ -34,11 +35,21 @@ struct clk *mcf_clks[] = {
&clk_mcftmr1,
&clk_mcfuart0,
&clk_mcfuart1,
+ &clk_mcfi2c0,
NULL
};
/***************************************************************************/
+static void __init m5206_i2c_init(void)
+{
+#if IS_ENABLED(CONFIG_I2C_IMX)
+ writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL5 | MCFSIM_ICR_PRI0,
+ MCFSIM_I2CICR);
+ mcf_mapirq2imr(MCF_IRQ_I2C0, MCFINTC_I2C);
+#endif /* IS_ENABLED(CONFIG_I2C_IMX) */
+}
+
void __init config_BSP(char *commandp, int size)
{
#if defined(CONFIG_NETtel)
@@ -53,6 +64,7 @@ void __init config_BSP(char *commandp, int size)
mcf_mapirq2imr(25, MCFINTC_EINT1);
mcf_mapirq2imr(28, MCFINTC_EINT4);
mcf_mapirq2imr(31, MCFINTC_EINT7);
+ m5206_i2c_init();
}
/***************************************************************************/
diff --git a/arch/m68k/coldfire/m520x.c b/arch/m68k/coldfire/m520x.c
index 173834f251eb..5ba69217ce6c 100644
--- a/arch/m68k/coldfire/m520x.c
+++ b/arch/m68k/coldfire/m520x.c
@@ -28,7 +28,7 @@ DEFINE_CLK(0, "fec.0", 12, MCF_CLK);
DEFINE_CLK(0, "edma", 17, MCF_CLK);
DEFINE_CLK(0, "intc.0", 18, MCF_CLK);
DEFINE_CLK(0, "iack.0", 21, MCF_CLK);
-DEFINE_CLK(0, "mcfi2c.0", 22, MCF_CLK);
+DEFINE_CLK(0, "imx1-i2c.0", 22, MCF_CLK);
DEFINE_CLK(0, "mcfqspi.0", 23, MCF_CLK);
DEFINE_CLK(0, "mcfuart.0", 24, MCF_BUSCLK);
DEFINE_CLK(0, "mcfuart.1", 25, MCF_BUSCLK);
@@ -53,7 +53,7 @@ struct clk *mcf_clks[] = {
&__clk_0_17, /* edma */
&__clk_0_18, /* intc.0 */
&__clk_0_21, /* iack.0 */
- &__clk_0_22, /* mcfi2c.0 */
+ &__clk_0_22, /* imx1-i2c.0 */
&__clk_0_23, /* mcfqspi.0 */
&__clk_0_24, /* mcfuart.0 */
&__clk_0_25, /* mcfuart.1 */
@@ -71,7 +71,7 @@ struct clk *mcf_clks[] = {
&__clk_0_40, /* sys.0 */
&__clk_0_41, /* gpio.0 */
&__clk_0_42, /* sdram.0 */
-NULL,
+ NULL,
};
static struct clk * const enable_clks[] __initconst = {
@@ -94,7 +94,7 @@ static struct clk * const enable_clks[] __initconst = {
static struct clk * const disable_clks[] __initconst = {
&__clk_0_12, /* fec.0 */
&__clk_0_17, /* edma */
- &__clk_0_22, /* mcfi2c.0 */
+ &__clk_0_22, /* imx1-i2c.0 */
&__clk_0_23, /* mcfqspi.0 */
&__clk_0_28, /* mcftmr.0 */
&__clk_0_29, /* mcftmr.1 */
@@ -133,6 +133,21 @@ static void __init m520x_qspi_init(void)
/***************************************************************************/
+static void __init m520x_i2c_init(void)
+{
+#if IS_ENABLED(CONFIG_I2C_IMX)
+ u8 par;
+
+ /* setup Port FECI2C Pin Assignment Register for I2C */
+ /* set PAR_SCL to SCL and PAR_SDA to SDA */
+ par = readb(MCF_GPIO_PAR_FECI2C);
+ par |= 0x0f;
+ writeb(par, MCF_GPIO_PAR_FECI2C);
+#endif /* IS_ENABLED(CONFIG_I2C_IMX) */
+}
+
+/***************************************************************************/
+
static void __init m520x_uarts_init(void)
{
u16 par;
@@ -175,6 +190,7 @@ void __init config_BSP(char *commandp, int size)
m520x_uarts_init();
m520x_fec_init();
m520x_qspi_init();
+ m520x_i2c_init();
}
/***************************************************************************/
diff --git a/arch/m68k/coldfire/m523x.c b/arch/m68k/coldfire/m523x.c
index a191a467eff2..f7a0fcc5618c 100644
--- a/arch/m68k/coldfire/m523x.c
+++ b/arch/m68k/coldfire/m523x.c
@@ -34,6 +34,7 @@ DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK);
DEFINE_CLK(mcfuart2, "mcfuart.2", MCF_BUSCLK);
DEFINE_CLK(mcfqspi0, "mcfqspi.0", MCF_BUSCLK);
DEFINE_CLK(fec0, "fec.0", MCF_BUSCLK);
+DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK);
struct clk *mcf_clks[] = {
&clk_pll,
@@ -47,6 +48,7 @@ struct clk *mcf_clks[] = {
&clk_mcfuart2,
&clk_mcfqspi0,
&clk_fec0,
+ &clk_mcfi2c0,
NULL
};
@@ -68,6 +70,21 @@ static void __init m523x_qspi_init(void)
/***************************************************************************/
+static void __init m523x_i2c_init(void)
+{
+#if IS_ENABLED(CONFIG_I2C_IMX)
+ u8 par;
+
+ /* setup Port AS Pin Assignment Register for I2C */
+ /* set PASPA0 to SCL and PASPA1 to SDA */
+ par = readb(MCFGPIO_PAR_FECI2C);
+ par |= 0x0f;
+ writeb(par, MCFGPIO_PAR_FECI2C);
+#endif /* IS_ENABLED(CONFIG_I2C_IMX) */
+}
+
+/***************************************************************************/
+
static void __init m523x_fec_init(void)
{
/* Set multi-function pins to ethernet use */
@@ -81,6 +98,7 @@ void __init config_BSP(char *commandp, int size)
mach_sched_init = hw_timer_init;
m523x_fec_init();
m523x_qspi_init();
+ m523x_i2c_init();
}
/***************************************************************************/
diff --git a/arch/m68k/coldfire/m5249.c b/arch/m68k/coldfire/m5249.c
index e48f55adc447..b16cf9b4580c 100644
--- a/arch/m68k/coldfire/m5249.c
+++ b/arch/m68k/coldfire/m5249.c
@@ -27,6 +27,8 @@ DEFINE_CLK(mcftmr1, "mcftmr.1", MCF_BUSCLK);
DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK);
DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK);
DEFINE_CLK(mcfqspi0, "mcfqspi.0", MCF_BUSCLK);
+DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK);
+DEFINE_CLK(mcfi2c1, "imx1-i2c.1", MCF_BUSCLK);
struct clk *mcf_clks[] = {
&clk_pll,
@@ -36,6 +38,8 @@ struct clk *mcf_clks[] = {
&clk_mcfuart0,
&clk_mcfuart1,
&clk_mcfqspi0,
+ &clk_mcfi2c0,
+ &clk_mcfi2c1,
NULL
};
@@ -85,6 +89,26 @@ static void __init m5249_qspi_init(void)
/***************************************************************************/
+static void __init m5249_i2c_init(void)
+{
+#if IS_ENABLED(CONFIG_I2C_IMX)
+ u32 r;
+
+ /* first I2C controller uses regular irq setup */
+ writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL5 | MCFSIM_ICR_PRI0,
+ MCFSIM_I2CICR);
+ mcf_mapirq2imr(MCF_IRQ_I2C0, MCFINTC_I2C);
+
+ /* second I2C controller is completely different */
+ r = readl(MCFINTC2_INTPRI_REG(MCF_IRQ_I2C1));
+ r &= ~MCFINTC2_INTPRI_BITS(0xf, MCF_IRQ_I2C1);
+ r |= MCFINTC2_INTPRI_BITS(0x5, MCF_IRQ_I2C1);
+ writel(r, MCFINTC2_INTPRI_REG(MCF_IRQ_I2C1));
+#endif /* CONFIG_I2C_IMX */
+}
+
+/***************************************************************************/
+
#ifdef CONFIG_M5249C3
static void __init m5249_smc91x_init(void)
@@ -111,6 +135,7 @@ void __init config_BSP(char *commandp, int size)
m5249_smc91x_init();
#endif
m5249_qspi_init();
+ m5249_i2c_init();
}
/***************************************************************************/
diff --git a/arch/m68k/coldfire/m525x.c b/arch/m68k/coldfire/m525x.c
index 3d8583e2187c..110e2cd34e62 100644
--- a/arch/m68k/coldfire/m525x.c
+++ b/arch/m68k/coldfire/m525x.c
@@ -27,6 +27,8 @@ DEFINE_CLK(mcftmr1, "mcftmr.1", MCF_BUSCLK);
DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK);
DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK);
DEFINE_CLK(mcfqspi0, "mcfqspi.0", MCF_BUSCLK);
+DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK);
+DEFINE_CLK(mcfi2c1, "imx1-i2c.1", MCF_BUSCLK);
struct clk *mcf_clks[] = {
&clk_pll,
@@ -36,6 +38,8 @@ struct clk *mcf_clks[] = {
&clk_mcfuart0,
&clk_mcfuart1,
&clk_mcfqspi0,
+ &clk_mcfi2c0,
+ &clk_mcfi2c1,
NULL
};
@@ -59,12 +63,12 @@ static void __init m525x_qspi_init(void)
static void __init m525x_i2c_init(void)
{
-#if IS_ENABLED(CONFIG_I2C_COLDFIRE)
+#if IS_ENABLED(CONFIG_I2C_IMX)
u32 r;
/* first I2C controller uses regular irq setup */
writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL5 | MCFSIM_ICR_PRI0,
- MCFSIM_I2CICR);
+ MCFSIM_I2CICR);
mcf_mapirq2imr(MCF_IRQ_I2C0, MCFINTC_I2C);
/* second I2C controller is completely different */
@@ -72,7 +76,7 @@ static void __init m525x_i2c_init(void)
r &= ~MCFINTC2_INTPRI_BITS(0xf, MCF_IRQ_I2C1);
r |= MCFINTC2_INTPRI_BITS(0x5, MCF_IRQ_I2C1);
writel(r, MCFINTC2_INTPRI_REG(MCF_IRQ_I2C1));
-#endif /* IS_ENABLED(CONFIG_I2C_COLDFIRE) */
+#endif /* IS_ENABLED(CONFIG_I2C_IMX) */
}
/***************************************************************************/
diff --git a/arch/m68k/coldfire/m527x.c b/arch/m68k/coldfire/m527x.c
index c0b3e28f91df..b10b436b5a31 100644
--- a/arch/m68k/coldfire/m527x.c
+++ b/arch/m68k/coldfire/m527x.c
@@ -36,6 +36,7 @@ DEFINE_CLK(mcfuart2, "mcfuart.2", MCF_BUSCLK);
DEFINE_CLK(mcfqspi0, "mcfqspi.0", MCF_BUSCLK);
DEFINE_CLK(fec0, "fec.0", MCF_BUSCLK);
DEFINE_CLK(fec1, "fec.1", MCF_BUSCLK);
+DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK);
struct clk *mcf_clks[] = {
&clk_pll,
@@ -50,6 +51,7 @@ struct clk *mcf_clks[] = {
&clk_mcfqspi0,
&clk_fec0,
&clk_fec1,
+ &clk_mcfi2c0,
NULL
};
@@ -76,6 +78,31 @@ static void __init m527x_qspi_init(void)
/***************************************************************************/
+static void __init m527x_i2c_init(void)
+{
+#if IS_ENABLED(CONFIG_I2C_IMX)
+#if defined(CONFIG_M5271)
+ u8 par;
+
+ /* setup Port FECI2C Pin Assignment Register for I2C */
+ /* set PAR_SCL to SCL and PAR_SDA to SDA */
+ par = readb(MCFGPIO_PAR_FECI2C);
+ par |= 0x0f;
+ writeb(par, MCFGPIO_PAR_FECI2C);
+#elif defined(CONFIG_M5275)
+ u16 par;
+
+ /* setup Port FECI2C Pin Assignment Register for I2C */
+ /* set PAR_SCL to SCL and PAR_SDA to SDA */
+ par = readw(MCFGPIO_PAR_FECI2C);
+ par |= 0x0f;
+ writew(par, MCFGPIO_PAR_FECI2C);
+#endif
+#endif /* IS_ENABLED(CONFIG_I2C_IMX) */
+}
+
+/***************************************************************************/
+
static void __init m527x_uarts_init(void)
{
u16 sepmask;
@@ -122,6 +149,7 @@ void __init config_BSP(char *commandp, int size)
m527x_uarts_init();
m527x_fec_init();
m527x_qspi_init();
+ m527x_i2c_init();
}
/***************************************************************************/
diff --git a/arch/m68k/coldfire/m528x.c b/arch/m68k/coldfire/m528x.c
index 12f9e370d8dd..ea76998d5ab9 100644
--- a/arch/m68k/coldfire/m528x.c
+++ b/arch/m68k/coldfire/m528x.c
@@ -36,6 +36,7 @@ DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK);
DEFINE_CLK(mcfuart2, "mcfuart.2", MCF_BUSCLK);
DEFINE_CLK(mcfqspi0, "mcfqspi.0", MCF_BUSCLK);
DEFINE_CLK(fec0, "fec.0", MCF_BUSCLK);
+DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK);
struct clk *mcf_clks[] = {
&clk_pll,
@@ -49,6 +50,7 @@ struct clk *mcf_clks[] = {
&clk_mcfuart2,
&clk_mcfqspi0,
&clk_fec0,
+ &clk_mcfi2c0,
NULL
};
@@ -64,6 +66,21 @@ static void __init m528x_qspi_init(void)
/***************************************************************************/
+static void __init m528x_i2c_init(void)
+{
+#if IS_ENABLED(CONFIG_I2C_IMX)
+ u16 paspar;
+
+ /* setup Port AS Pin Assignment Register for I2C */
+ /* set PASPA0 to SCL and PASPA1 to SDA */
+ paspar = readw(MCFGPIO_PASPAR);
+ paspar |= 0xF;
+ writew(paspar, MCFGPIO_PASPAR);
+#endif /* IS_ENABLED(CONFIG_I2C_IMX) */
+}
+
+/***************************************************************************/
+
static void __init m528x_uarts_init(void)
{
u8 port;
@@ -127,6 +144,7 @@ void __init config_BSP(char *commandp, int size)
m528x_uarts_init();
m528x_fec_init();
m528x_qspi_init();
+ m528x_i2c_init();
}
/***************************************************************************/
diff --git a/arch/m68k/coldfire/m5307.c b/arch/m68k/coldfire/m5307.c
index 2da1d146e344..cc5e8a50a423 100644
--- a/arch/m68k/coldfire/m5307.c
+++ b/arch/m68k/coldfire/m5307.c
@@ -35,6 +35,7 @@ DEFINE_CLK(mcftmr0, "mcftmr.0", MCF_BUSCLK);
DEFINE_CLK(mcftmr1, "mcftmr.1", MCF_BUSCLK);
DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK);
DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK);
+DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK);
struct clk *mcf_clks[] = {
&clk_pll,
@@ -43,11 +44,23 @@ struct clk *mcf_clks[] = {
&clk_mcftmr1,
&clk_mcfuart0,
&clk_mcfuart1,
+ &clk_mcfi2c0,
NULL
};
/***************************************************************************/
+static void __init m5307_i2c_init(void)
+{
+#if IS_ENABLED(CONFIG_I2C_IMX)
+ writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL5 | MCFSIM_ICR_PRI0,
+ MCFSIM_I2CICR);
+ mcf_mapirq2imr(MCF_IRQ_I2C0, MCFINTC_I2C);
+#endif /* IS_ENABLED(CONFIG_I2C_IMX) */
+}
+
+/***************************************************************************/
+
void __init config_BSP(char *commandp, int size)
{
#if defined(CONFIG_NETtel) || \
@@ -73,6 +86,7 @@ void __init config_BSP(char *commandp, int size)
*/
wdebug(MCFDEBUG_CSR, MCFDEBUG_CSR_PSTCLK);
#endif
+ m5307_i2c_init();
}
/***************************************************************************/
diff --git a/arch/m68k/coldfire/m53xx.c b/arch/m68k/coldfire/m53xx.c
index 2502f63960bc..cf1917934b8a 100644
--- a/arch/m68k/coldfire/m53xx.c
+++ b/arch/m68k/coldfire/m53xx.c
@@ -38,7 +38,7 @@ DEFINE_CLK(0, "edma", 17, MCF_CLK);
DEFINE_CLK(0, "intc.0", 18, MCF_CLK);
DEFINE_CLK(0, "intc.1", 19, MCF_CLK);
DEFINE_CLK(0, "iack.0", 21, MCF_CLK);
-DEFINE_CLK(0, "mcfi2c.0", 22, MCF_CLK);
+DEFINE_CLK(0, "imx1-i2c.0", 22, MCF_CLK);
DEFINE_CLK(0, "mcfqspi.0", 23, MCF_CLK);
DEFINE_CLK(0, "mcfuart.0", 24, MCF_BUSCLK);
DEFINE_CLK(0, "mcfuart.1", 25, MCF_BUSCLK);
@@ -77,7 +77,7 @@ struct clk *mcf_clks[] = {
&__clk_0_18, /* intc.0 */
&__clk_0_19, /* intc.1 */
&__clk_0_21, /* iack.0 */
- &__clk_0_22, /* mcfi2c.0 */
+ &__clk_0_22, /* imx1-i2c.0 */
&__clk_0_23, /* mcfqspi.0 */
&__clk_0_24, /* mcfuart.0 */
&__clk_0_25, /* mcfuart.1 */
@@ -133,7 +133,7 @@ static struct clk * const disable_clks[] __initconst = {
&__clk_0_8, /* mcfcan.0 */
&__clk_0_12, /* fec.0 */
&__clk_0_17, /* edma */
- &__clk_0_22, /* mcfi2c.0 */
+ &__clk_0_22, /* imx1-i2c.0 */
&__clk_0_23, /* mcfqspi.0 */
&__clk_0_30, /* mcftmr.2 */
&__clk_0_31, /* mcftmr.3 */
@@ -176,6 +176,19 @@ static void __init m53xx_qspi_init(void)
/***************************************************************************/
+static void __init m53xx_i2c_init(void)
+{
+#if IS_ENABLED(CONFIG_I2C_IMX)
+ /* setup Port AS Pin Assignment Register for I2C */
+ /* set PASPA0 to SCL and PASPA1 to SDA */
+ u8 r = readb(MCFGPIO_PAR_FECI2C);
+ r |= 0x0f;
+ writeb(r, MCFGPIO_PAR_FECI2C);
+#endif /* IS_ENABLED(CONFIG_I2C_IMX) */
+}
+
+/***************************************************************************/
+
static void __init m53xx_uarts_init(void)
{
/* UART GPIO initialization */
@@ -218,6 +231,7 @@ void __init config_BSP(char *commandp, int size)
m53xx_uarts_init();
m53xx_fec_init();
m53xx_qspi_init();
+ m53xx_i2c_init();
#ifdef CONFIG_BDM_DISABLE
/*
diff --git a/arch/m68k/coldfire/m5407.c b/arch/m68k/coldfire/m5407.c
index 738eba6be40e..38863ddbeab0 100644
--- a/arch/m68k/coldfire/m5407.c
+++ b/arch/m68k/coldfire/m5407.c
@@ -26,6 +26,7 @@ DEFINE_CLK(mcftmr0, "mcftmr.0", MCF_BUSCLK);
DEFINE_CLK(mcftmr1, "mcftmr.1", MCF_BUSCLK);
DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK);
DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK);
+DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK);
struct clk *mcf_clks[] = {
&clk_pll,
@@ -34,11 +35,23 @@ struct clk *mcf_clks[] = {
&clk_mcftmr1,
&clk_mcfuart0,
&clk_mcfuart1,
+ &clk_mcfi2c0,
NULL
};
/***************************************************************************/
+static void __init m5407_i2c_init(void)
+{
+#if IS_ENABLED(CONFIG_I2C_IMX)
+ writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL5 | MCFSIM_ICR_PRI0,
+ MCFSIM_I2CICR);
+ mcf_mapirq2imr(MCF_IRQ_I2C0, MCFINTC_I2C);
+#endif /* IS_ENABLED(CONFIG_I2C_IMX) */
+}
+
+/***************************************************************************/
+
void __init config_BSP(char *commandp, int size)
{
mach_sched_init = hw_timer_init;
@@ -48,6 +61,7 @@ void __init config_BSP(char *commandp, int size)
mcf_mapirq2imr(27, MCFINTC_EINT3);
mcf_mapirq2imr(29, MCFINTC_EINT5);
mcf_mapirq2imr(31, MCFINTC_EINT7);
+ m5407_i2c_init();
}
/***************************************************************************/
diff --git a/arch/m68k/coldfire/m5441x.c b/arch/m68k/coldfire/m5441x.c
index 98a13cce93d8..dc589b039b62 100644
--- a/arch/m68k/coldfire/m5441x.c
+++ b/arch/m68k/coldfire/m5441x.c
@@ -19,13 +19,13 @@
DEFINE_CLK(0, "flexbus", 2, MCF_CLK);
DEFINE_CLK(0, "mcfcan.0", 8, MCF_CLK);
DEFINE_CLK(0, "mcfcan.1", 9, MCF_CLK);
-DEFINE_CLK(0, "mcfi2c.1", 14, MCF_CLK);
+DEFINE_CLK(0, "imx1-i2c.1", 14, MCF_CLK);
DEFINE_CLK(0, "mcfdspi.1", 15, MCF_CLK);
DEFINE_CLK(0, "edma", 17, MCF_CLK);
DEFINE_CLK(0, "intc.0", 18, MCF_CLK);
DEFINE_CLK(0, "intc.1", 19, MCF_CLK);
DEFINE_CLK(0, "intc.2", 20, MCF_CLK);
-DEFINE_CLK(0, "mcfi2c.0", 22, MCF_CLK);
+DEFINE_CLK(0, "imx1-i2c.0", 22, MCF_CLK);
DEFINE_CLK(0, "mcfdspi.0", 23, MCF_CLK);
DEFINE_CLK(0, "mcfuart.0", 24, MCF_BUSCLK);
DEFINE_CLK(0, "mcfuart.1", 25, MCF_BUSCLK);
@@ -59,10 +59,10 @@ DEFINE_CLK(0, "switch.1", 56, MCF_CLK);
DEFINE_CLK(0, "nand.0", 63, MCF_CLK);
DEFINE_CLK(1, "mcfow.0", 2, MCF_CLK);
-DEFINE_CLK(1, "mcfi2c.2", 4, MCF_CLK);
-DEFINE_CLK(1, "mcfi2c.3", 5, MCF_CLK);
-DEFINE_CLK(1, "mcfi2c.4", 6, MCF_CLK);
-DEFINE_CLK(1, "mcfi2c.5", 7, MCF_CLK);
+DEFINE_CLK(1, "imx1-i2c.2", 4, MCF_CLK);
+DEFINE_CLK(1, "imx1-i2c.3", 5, MCF_CLK);
+DEFINE_CLK(1, "imx1-i2c.4", 6, MCF_CLK);
+DEFINE_CLK(1, "imx1-i2c.5", 7, MCF_CLK);
DEFINE_CLK(1, "mcfuart.4", 24, MCF_BUSCLK);
DEFINE_CLK(1, "mcfuart.5", 25, MCF_BUSCLK);
DEFINE_CLK(1, "mcfuart.6", 26, MCF_BUSCLK);
diff --git a/arch/m68k/coldfire/m54xx.c b/arch/m68k/coldfire/m54xx.c
index 386df3b68cdf..c552851ec617 100644
--- a/arch/m68k/coldfire/m54xx.c
+++ b/arch/m68k/coldfire/m54xx.c
@@ -37,6 +37,7 @@ DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK);
DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK);
DEFINE_CLK(mcfuart2, "mcfuart.2", MCF_BUSCLK);
DEFINE_CLK(mcfuart3, "mcfuart.3", MCF_BUSCLK);
+DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK);
struct clk *mcf_clks[] = {
&clk_pll,
@@ -47,6 +48,7 @@ struct clk *mcf_clks[] = {
&clk_mcfuart1,
&clk_mcfuart2,
&clk_mcfuart3,
+ &clk_mcfi2c0,
NULL
};
@@ -65,6 +67,20 @@ static void __init m54xx_uarts_init(void)
/***************************************************************************/
+static void __init m54xx_i2c_init(void)
+{
+#if IS_ENABLED(CONFIG_I2C_IMX)
+ u32 r;
+
+ /* set the fec/i2c/irq pin assignment register for i2c */
+ r = readl(MCF_PAR_FECI2CIRQ);
+ r |= MCF_PAR_FECI2CIRQ_SDA | MCF_PAR_FECI2CIRQ_SCL;
+ writel(r, MCF_PAR_FECI2CIRQ);
+#endif /* IS_ENABLED(CONFIG_I2C_IMX) */
+}
+
+/***************************************************************************/
+
static void mcf54xx_reset(void)
{
/* disable interrupts and enable the watchdog */
@@ -86,6 +102,7 @@ void __init config_BSP(char *commandp, int size)
mach_reset = mcf54xx_reset;
mach_sched_init = hw_timer_init;
m54xx_uarts_init();
+ m54xx_i2c_init();
}
/***************************************************************************/
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-14 18:56:10 +0300