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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-05-23 19:28:04 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-05-23 19:28:04 +0100
commit9a55d9752d8abfc62f1ab05ccc790d22a0c8e7c0 (patch)
tree894bb6a3fb409c6ac5f0374f5a1f656918bc35cd /arch/arm/plat-orion
parentec19628d72cff8f80220b7cedba089074ac6a599 (diff)
parentdc7ad3b3d5f1cd0a0d16c05dd3ad3898979d261e (diff)
downloadop-kernel-dev-9a55d9752d8abfc62f1ab05ccc790d22a0c8e7c0.zip
op-kernel-dev-9a55d9752d8abfc62f1ab05ccc790d22a0c8e7c0.tar.gz
Merge branch 'devel-stable' into for-linus
Conflicts: arch/arm/Kconfig arch/arm/mach-ns9xxx/include/mach/uncompress.h
Diffstat (limited to 'arch/arm/plat-orion')
-rw-r--r--arch/arm/plat-orion/Makefile2
-rw-r--r--arch/arm/plat-orion/common.c957
-rw-r--r--arch/arm/plat-orion/gpio.c112
-rw-r--r--arch/arm/plat-orion/include/plat/common.h117
-rw-r--r--arch/arm/plat-orion/include/plat/gpio.h1
-rw-r--r--arch/arm/plat-orion/include/plat/mpp.h34
-rw-r--r--arch/arm/plat-orion/irq.c49
-rw-r--r--arch/arm/plat-orion/mpp.c78
8 files changed, 1232 insertions, 118 deletions
diff --git a/arch/arm/plat-orion/Makefile b/arch/arm/plat-orion/Makefile
index 56021a7..95a5fc5 100644
--- a/arch/arm/plat-orion/Makefile
+++ b/arch/arm/plat-orion/Makefile
@@ -2,7 +2,7 @@
# Makefile for the linux kernel.
#
-obj-y := irq.o pcie.o time.o
+obj-y := irq.o pcie.o time.o common.o mpp.o
obj-m :=
obj-n :=
obj- :=
diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c
new file mode 100644
index 0000000..9e5451b
--- /dev/null
+++ b/arch/arm/plat-orion/common.c
@@ -0,0 +1,957 @@
+/*
+ * arch/arm/plat-orion/common.c
+ *
+ * Marvell Orion SoC common setup code used by multiple mach-/common.c
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/serial_8250.h>
+#include <linux/mbus.h>
+#include <linux/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/mv643xx_i2c.h>
+#include <net/dsa.h>
+#include <linux/spi/orion_spi.h>
+#include <plat/orion_wdt.h>
+#include <plat/mv_xor.h>
+#include <plat/ehci-orion.h>
+
+/* Fill in the resources structure and link it into the platform
+ device structure. There is always a memory region, and nearly
+ always an interrupt.*/
+static void fill_resources(struct platform_device *device,
+ struct resource *resources,
+ resource_size_t mapbase,
+ resource_size_t size,
+ unsigned int irq)
+{
+ device->resource = resources;
+ device->num_resources = 1;
+ resources[0].flags = IORESOURCE_MEM;
+ resources[0].start = mapbase;
+ resources[0].end = mapbase + size;
+
+ if (irq != NO_IRQ) {
+ device->num_resources++;
+ resources[1].flags = IORESOURCE_IRQ;
+ resources[1].start = irq;
+ resources[1].end = irq;
+ }
+}
+
+/*****************************************************************************
+ * UART
+ ****************************************************************************/
+static void __init uart_complete(
+ struct platform_device *orion_uart,
+ struct plat_serial8250_port *data,
+ struct resource *resources,
+ unsigned int membase,
+ resource_size_t mapbase,
+ unsigned int irq,
+ unsigned int uartclk)
+{
+ data->mapbase = mapbase;
+ data->membase = (void __iomem *)membase;
+ data->irq = irq;
+ data->uartclk = uartclk;
+ orion_uart->dev.platform_data = data;
+
+ fill_resources(orion_uart, resources, mapbase, 0xff, irq);
+ platform_device_register(orion_uart);
+}
+
+/*****************************************************************************
+ * UART0
+ ****************************************************************************/
+static struct plat_serial8250_port orion_uart0_data[] = {
+ {
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ }, {
+ },
+};
+
+static struct resource orion_uart0_resources[2];
+
+static struct platform_device orion_uart0 = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+};
+
+void __init orion_uart0_init(unsigned int membase,
+ resource_size_t mapbase,
+ unsigned int irq,
+ unsigned int uartclk)
+{
+ uart_complete(&orion_uart0, orion_uart0_data, orion_uart0_resources,
+ membase, mapbase, irq, uartclk);
+}
+
+/*****************************************************************************
+ * UART1
+ ****************************************************************************/
+static struct plat_serial8250_port orion_uart1_data[] = {
+ {
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ }, {
+ },
+};
+
+static struct resource orion_uart1_resources[2];
+
+static struct platform_device orion_uart1 = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM1,
+};
+
+void __init orion_uart1_init(unsigned int membase,
+ resource_size_t mapbase,
+ unsigned int irq,
+ unsigned int uartclk)
+{
+ uart_complete(&orion_uart1, orion_uart1_data, orion_uart1_resources,
+ membase, mapbase, irq, uartclk);
+}
+
+/*****************************************************************************
+ * UART2
+ ****************************************************************************/
+static struct plat_serial8250_port orion_uart2_data[] = {
+ {
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ }, {
+ },
+};
+
+static struct resource orion_uart2_resources[2];
+
+static struct platform_device orion_uart2 = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM2,
+};
+
+void __init orion_uart2_init(unsigned int membase,
+ resource_size_t mapbase,
+ unsigned int irq,
+ unsigned int uartclk)
+{
+ uart_complete(&orion_uart2, orion_uart2_data, orion_uart2_resources,
+ membase, mapbase, irq, uartclk);
+}
+
+/*****************************************************************************
+ * UART3
+ ****************************************************************************/
+static struct plat_serial8250_port orion_uart3_data[] = {
+ {
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ }, {
+ },
+};
+
+static struct resource orion_uart3_resources[2];
+
+static struct platform_device orion_uart3 = {
+ .name = "serial8250",
+ .id = 3,
+};
+
+void __init orion_uart3_init(unsigned int membase,
+ resource_size_t mapbase,
+ unsigned int irq,
+ unsigned int uartclk)
+{
+ uart_complete(&orion_uart3, orion_uart3_data, orion_uart3_resources,
+ membase, mapbase, irq, uartclk);
+}
+
+/*****************************************************************************
+ * SoC RTC
+ ****************************************************************************/
+static struct resource orion_rtc_resource[2];
+
+void __init orion_rtc_init(unsigned long mapbase,
+ unsigned long irq)
+{
+ orion_rtc_resource[0].start = mapbase;
+ orion_rtc_resource[0].end = mapbase + SZ_32 - 1;
+ orion_rtc_resource[0].flags = IORESOURCE_MEM;
+ orion_rtc_resource[1].start = irq;
+ orion_rtc_resource[1].end = irq;
+ orion_rtc_resource[1].flags = IORESOURCE_IRQ;
+
+ platform_device_register_simple("rtc-mv", -1, orion_rtc_resource, 2);
+}
+
+/*****************************************************************************
+ * GE
+ ****************************************************************************/
+static __init void ge_complete(
+ struct mv643xx_eth_shared_platform_data *orion_ge_shared_data,
+ struct mbus_dram_target_info *mbus_dram_info, int tclk,
+ struct resource *orion_ge_resource, unsigned long irq,
+ struct platform_device *orion_ge_shared,
+ struct mv643xx_eth_platform_data *eth_data,
+ struct platform_device *orion_ge)
+{
+ orion_ge_shared_data->dram = mbus_dram_info;
+ orion_ge_shared_data->t_clk = tclk;
+ orion_ge_resource->start = irq;
+ orion_ge_resource->end = irq;
+ eth_data->shared = orion_ge_shared;
+ orion_ge->dev.platform_data = eth_data;
+
+ platform_device_register(orion_ge_shared);
+ platform_device_register(orion_ge);
+}
+
+/*****************************************************************************
+ * GE00
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data orion_ge00_shared_data;
+
+static struct resource orion_ge00_shared_resources[] = {
+ {
+ .name = "ge00 base",
+ }, {
+ .name = "ge00 err irq",
+ },
+};
+
+static struct platform_device orion_ge00_shared = {
+ .name = MV643XX_ETH_SHARED_NAME,
+ .id = 0,
+ .dev = {
+ .platform_data = &orion_ge00_shared_data,
+ },
+};
+
+static struct resource orion_ge00_resources[] = {
+ {
+ .name = "ge00 irq",
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device orion_ge00 = {
+ .name = MV643XX_ETH_NAME,
+ .id = 0,
+ .num_resources = 1,
+ .resource = orion_ge00_resources,
+ .dev = {
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
+void __init orion_ge00_init(struct mv643xx_eth_platform_data *eth_data,
+ struct mbus_dram_target_info *mbus_dram_info,
+ unsigned long mapbase,
+ unsigned long irq,
+ unsigned long irq_err,
+ int tclk)
+{
+ fill_resources(&orion_ge00_shared, orion_ge00_shared_resources,
+ mapbase + 0x2000, SZ_16K - 1, irq_err);
+ ge_complete(&orion_ge00_shared_data, mbus_dram_info, tclk,
+ orion_ge00_resources, irq, &orion_ge00_shared,
+ eth_data, &orion_ge00);
+}
+
+/*****************************************************************************
+ * GE01
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data orion_ge01_shared_data = {
+ .shared_smi = &orion_ge00_shared,
+};
+
+static struct resource orion_ge01_shared_resources[] = {
+ {
+ .name = "ge01 base",
+ }, {
+ .name = "ge01 err irq",
+ },
+};
+
+static struct platform_device orion_ge01_shared = {
+ .name = MV643XX_ETH_SHARED_NAME,
+ .id = 1,
+ .dev = {
+ .platform_data = &orion_ge01_shared_data,
+ },
+};
+
+static struct resource orion_ge01_resources[] = {
+ {
+ .name = "ge01 irq",
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device orion_ge01 = {
+ .name = MV643XX_ETH_NAME,
+ .id = 1,
+ .num_resources = 1,
+ .resource = orion_ge01_resources,
+ .dev = {
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
+void __init orion_ge01_init(struct mv643xx_eth_platform_data *eth_data,
+ struct mbus_dram_target_info *mbus_dram_info,
+ unsigned long mapbase,
+ unsigned long irq,
+ unsigned long irq_err,
+ int tclk)
+{
+ fill_resources(&orion_ge01_shared, orion_ge01_shared_resources,
+ mapbase + 0x2000, SZ_16K - 1, irq_err);
+ ge_complete(&orion_ge01_shared_data, mbus_dram_info, tclk,
+ orion_ge01_resources, irq, &orion_ge01_shared,
+ eth_data, &orion_ge01);
+}
+
+/*****************************************************************************
+ * GE10
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data orion_ge10_shared_data = {
+ .shared_smi = &orion_ge00_shared,
+};
+
+static struct resource orion_ge10_shared_resources[] = {
+ {
+ .name = "ge10 base",
+ }, {
+ .name = "ge10 err irq",
+ },
+};
+
+static struct platform_device orion_ge10_shared = {
+ .name = MV643XX_ETH_SHARED_NAME,
+ .id = 1,
+ .dev = {
+ .platform_data = &orion_ge10_shared_data,
+ },
+};
+
+static struct resource orion_ge10_resources[] = {
+ {
+ .name = "ge10 irq",
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device orion_ge10 = {
+ .name = MV643XX_ETH_NAME,
+ .id = 1,
+ .num_resources = 2,
+ .resource = orion_ge10_resources,
+ .dev = {
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
+void __init orion_ge10_init(struct mv643xx_eth_platform_data *eth_data,
+ struct mbus_dram_target_info *mbus_dram_info,
+ unsigned long mapbase,
+ unsigned long irq,
+ unsigned long irq_err,
+ int tclk)
+{
+ fill_resources(&orion_ge10_shared, orion_ge10_shared_resources,
+ mapbase + 0x2000, SZ_16K - 1, irq_err);
+ ge_complete(&orion_ge10_shared_data, mbus_dram_info, tclk,
+ orion_ge10_resources, irq, &orion_ge10_shared,
+ eth_data, &orion_ge10);
+}
+
+/*****************************************************************************
+ * GE11
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data orion_ge11_shared_data = {
+ .shared_smi = &orion_ge00_shared,
+};
+
+static struct resource orion_ge11_shared_resources[] = {
+ {
+ .name = "ge11 base",
+ }, {
+ .name = "ge11 err irq",
+ },
+};
+
+static struct platform_device orion_ge11_shared = {
+ .name = MV643XX_ETH_SHARED_NAME,
+ .id = 1,
+ .dev = {
+ .platform_data = &orion_ge11_shared_data,
+ },
+};
+
+static struct resource orion_ge11_resources[] = {
+ {
+ .name = "ge11 irq",
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device orion_ge11 = {
+ .name = MV643XX_ETH_NAME,
+ .id = 1,
+ .num_resources = 2,
+ .resource = orion_ge11_resources,
+ .dev = {
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
+void __init orion_ge11_init(struct mv643xx_eth_platform_data *eth_data,
+ struct mbus_dram_target_info *mbus_dram_info,
+ unsigned long mapbase,
+ unsigned long irq,
+ unsigned long irq_err,
+ int tclk)
+{
+ fill_resources(&orion_ge11_shared, orion_ge11_shared_resources,
+ mapbase + 0x2000, SZ_16K - 1, irq_err);
+ ge_complete(&orion_ge11_shared_data, mbus_dram_info, tclk,
+ orion_ge11_resources, irq, &orion_ge11_shared,
+ eth_data, &orion_ge11);
+}
+
+/*****************************************************************************
+ * Ethernet switch
+ ****************************************************************************/
+static struct resource orion_switch_resources[] = {
+ {
+ .start = 0,
+ .end = 0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device orion_switch_device = {
+ .name = "dsa",
+ .id = 0,
+ .num_resources = 0,
+ .resource = orion_switch_resources,
+};
+
+void __init orion_ge00_switch_init(struct dsa_platform_data *d, int irq)
+{
+ int i;
+
+ if (irq != NO_IRQ) {
+ orion_switch_resources[0].start = irq;
+ orion_switch_resources[0].end = irq;
+ orion_switch_device.num_resources = 1;
+ }
+
+ d->netdev = &orion_ge00.dev;
+ for (i = 0; i < d->nr_chips; i++)
+ d->chip[i].mii_bus = &orion_ge00_shared.dev;
+ orion_switch_device.dev.platform_data = d;
+
+ platform_device_register(&orion_switch_device);
+}
+
+/*****************************************************************************
+ * I2C
+ ****************************************************************************/
+static struct mv64xxx_i2c_pdata orion_i2c_pdata = {
+ .freq_n = 3,
+ .timeout = 1000, /* Default timeout of 1 second */
+};
+
+static struct resource orion_i2c_resources[2];
+
+static struct platform_device orion_i2c = {
+ .name = MV64XXX_I2C_CTLR_NAME,
+ .id = 0,
+ .dev = {
+ .platform_data = &orion_i2c_pdata,
+ },
+};
+
+static struct mv64xxx_i2c_pdata orion_i2c_1_pdata = {
+ .freq_n = 3,
+ .timeout = 1000, /* Default timeout of 1 second */
+};
+
+static struct resource orion_i2c_1_resources[2];
+
+static struct platform_device orion_i2c_1 = {
+ .name = MV64XXX_I2C_CTLR_NAME,
+ .id = 1,
+ .dev = {
+ .platform_data = &orion_i2c_1_pdata,
+ },
+};
+
+void __init orion_i2c_init(unsigned long mapbase,
+ unsigned long irq,
+ unsigned long freq_m)
+{
+ orion_i2c_pdata.freq_m = freq_m;
+ fill_resources(&orion_i2c, orion_i2c_resources, mapbase,
+ SZ_32 - 1, irq);
+ platform_device_register(&orion_i2c);
+}
+
+void __init orion_i2c_1_init(unsigned long mapbase,
+ unsigned long irq,
+ unsigned long freq_m)
+{
+ orion_i2c_1_pdata.freq_m = freq_m;
+ fill_resources(&orion_i2c_1, orion_i2c_1_resources, mapbase,
+ SZ_32 - 1, irq);
+ platform_device_register(&orion_i2c_1);
+}
+
+/*****************************************************************************
+ * SPI
+ ****************************************************************************/
+static struct orion_spi_info orion_spi_plat_data;
+static struct resource orion_spi_resources;
+
+static struct platform_device orion_spi = {
+ .name = "orion_spi",
+ .id = 0,
+ .dev = {
+ .platform_data = &orion_spi_plat_data,
+ },
+};
+
+static struct orion_spi_info orion_spi_1_plat_data;
+static struct resource orion_spi_1_resources;
+
+static struct platform_device orion_spi_1 = {
+ .name = "orion_spi",
+ .id = 1,
+ .dev = {
+ .platform_data = &orion_spi_1_plat_data,
+ },
+};
+
+/* Note: The SPI silicon core does have interrupts. However the
+ * current Linux software driver does not use interrupts. */
+
+void __init orion_spi_init(unsigned long mapbase,
+ unsigned long tclk)
+{
+ orion_spi_plat_data.tclk = tclk;
+ fill_resources(&orion_spi, &orion_spi_resources,
+ mapbase, SZ_512 - 1, NO_IRQ);
+ platform_device_register(&orion_spi);
+}
+
+void __init orion_spi_1_init(unsigned long mapbase,
+ unsigned long tclk)
+{
+ orion_spi_1_plat_data.tclk = tclk;
+ fill_resources(&orion_spi_1, &orion_spi_1_resources,
+ mapbase, SZ_512 - 1, NO_IRQ);
+ platform_device_register(&orion_spi_1);
+}
+
+/*****************************************************************************
+ * Watchdog
+ ****************************************************************************/
+static struct orion_wdt_platform_data orion_wdt_data;
+
+static struct platform_device orion_wdt_device = {
+ .name = "orion_wdt",
+ .id = -1,
+ .dev = {
+ .platform_data = &orion_wdt_data,
+ },
+ .num_resources = 0,
+};
+
+void __init orion_wdt_init(unsigned long tclk)
+{
+ orion_wdt_data.tclk = tclk;
+ platform_device_register(&orion_wdt_device);
+}
+
+/*****************************************************************************
+ * XOR
+ ****************************************************************************/
+static struct mv_xor_platform_shared_data orion_xor_shared_data;
+
+static u64 orion_xor_dmamask = DMA_BIT_MASK(32);
+
+void __init orion_xor_init_channels(
+ struct mv_xor_platform_data *orion_xor0_data,
+ struct platform_device *orion_xor0_channel,
+ struct mv_xor_platform_data *orion_xor1_data,
+ struct platform_device *orion_xor1_channel)
+{
+ /*
+ * two engines can't do memset simultaneously, this limitation
+ * satisfied by removing memset support from one of the engines.
+ */
+ dma_cap_set(DMA_MEMCPY, orion_xor0_data->cap_mask);
+ dma_cap_set(DMA_XOR, orion_xor0_data->cap_mask);
+ platform_device_register(orion_xor0_channel);
+
+ dma_cap_set(DMA_MEMCPY, orion_xor1_data->cap_mask);
+ dma_cap_set(DMA_MEMSET, orion_xor1_data->cap_mask);
+ dma_cap_set(DMA_XOR, orion_xor1_data->cap_mask);
+ platform_device_register(orion_xor1_channel);
+}
+
+/*****************************************************************************
+ * XOR0
+ ****************************************************************************/
+static struct resource orion_xor0_shared_resources[] = {
+ {
+ .name = "xor 0 low",
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "xor 0 high",
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device orion_xor0_shared = {
+ .name = MV_XOR_SHARED_NAME,
+ .id = 0,
+ .dev = {
+ .platform_data = &orion_xor_shared_data,
+ },
+ .num_resources = ARRAY_SIZE(orion_xor0_shared_resources),
+ .resource = orion_xor0_shared_resources,
+};
+
+static struct resource orion_xor00_resources[] = {
+ [0] = {
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct mv_xor_platform_data orion_xor00_data = {
+ .shared = &orion_xor0_shared,
+ .hw_id = 0,
+ .pool_size = PAGE_SIZE,
+};
+
+static struct platform_device orion_xor00_channel = {
+ .name = MV_XOR_NAME,
+ .id = 0,
+ .num_resources = ARRAY_SIZE(orion_xor00_resources),
+ .resource = orion_xor00_resources,
+ .dev = {
+ .dma_mask = &orion_xor_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(64),
+ .platform_data = &orion_xor00_data,
+ },
+};
+
+static struct resource orion_xor01_resources[] = {
+ [0] = {
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct mv_xor_platform_data orion_xor01_data = {
+ .shared = &orion_xor0_shared,
+ .hw_id = 1,
+ .pool_size = PAGE_SIZE,
+};
+
+static struct platform_device orion_xor01_channel = {
+ .name = MV_XOR_NAME,
+ .id = 1,
+ .num_resources = ARRAY_SIZE(orion_xor01_resources),
+ .resource = orion_xor01_resources,
+ .dev = {
+ .dma_mask = &orion_xor_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(64),
+ .platform_data = &orion_xor01_data,
+ },
+};
+
+void __init orion_xor0_init(struct mbus_dram_target_info *mbus_dram_info,
+ unsigned long mapbase_low,
+ unsigned long mapbase_high,
+ unsigned long irq_0,
+ unsigned long irq_1)
+{
+ orion_xor_shared_data.dram = mbus_dram_info;
+
+ orion_xor0_shared_resources[0].start = mapbase_low;
+ orion_xor0_shared_resources[0].end = mapbase_low + 0xff;
+ orion_xor0_shared_resources[1].start = mapbase_high;
+ orion_xor0_shared_resources[1].end = mapbase_high + 0xff;
+
+ orion_xor00_resources[0].start = irq_0;
+ orion_xor00_resources[0].end = irq_0;
+ orion_xor01_resources[0].start = irq_1;
+ orion_xor01_resources[0].end = irq_1;
+
+ platform_device_register(&orion_xor0_shared);
+
+ orion_xor_init_channels(&orion_xor00_data, &orion_xor00_channel,
+ &orion_xor01_data, &orion_xor01_channel);
+}
+
+/*****************************************************************************
+ * XOR1
+ ****************************************************************************/
+static struct resource orion_xor1_shared_resources[] = {
+ {
+ .name = "xor 1 low",
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "xor 1 high",
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device orion_xor1_shared = {
+ .name = MV_XOR_SHARED_NAME,
+ .id = 1,
+ .dev = {
+ .platform_data = &orion_xor_shared_data,
+ },
+ .num_resources = ARRAY_SIZE(orion_xor1_shared_resources),
+ .resource = orion_xor1_shared_resources,
+};
+
+static struct resource orion_xor10_resources[] = {
+ [0] = {
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct mv_xor_platform_data orion_xor10_data = {
+ .shared = &orion_xor1_shared,
+ .hw_id = 0,
+ .pool_size = PAGE_SIZE,
+};
+
+static struct platform_device orion_xor10_channel = {
+ .name = MV_XOR_NAME,
+ .id = 2,
+ .num_resources = ARRAY_SIZE(orion_xor10_resources),
+ .resource = orion_xor10_resources,
+ .dev = {
+ .dma_mask = &orion_xor_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(64),
+ .platform_data = &orion_xor10_data,
+ },
+};
+
+static struct resource orion_xor11_resources[] = {
+ [0] = {
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct mv_xor_platform_data orion_xor11_data = {
+ .shared = &orion_xor1_shared,
+ .hw_id = 1,
+ .pool_size = PAGE_SIZE,
+};
+
+static struct platform_device orion_xor11_channel = {
+ .name = MV_XOR_NAME,
+ .id = 3,
+ .num_resources = ARRAY_SIZE(orion_xor11_resources),
+ .resource = orion_xor11_resources,
+ .dev = {
+ .dma_mask = &orion_xor_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(64),
+ .platform_data = &orion_xor11_data,
+ },
+};
+
+void __init orion_xor1_init(unsigned long mapbase_low,
+ unsigned long mapbase_high,
+ unsigned long irq_0,
+ unsigned long irq_1)
+{
+ orion_xor1_shared_resources[0].start = mapbase_low;
+ orion_xor1_shared_resources[0].end = mapbase_low + 0xff;
+ orion_xor1_shared_resources[1].start = mapbase_high;
+ orion_xor1_shared_resources[1].end = mapbase_high + 0xff;
+
+ orion_xor10_resources[0].start = irq_0;
+ orion_xor10_resources[0].end = irq_0;
+ orion_xor11_resources[0].start = irq_1;
+ orion_xor11_resources[0].end = irq_1;
+
+ platform_device_register(&orion_xor1_shared);
+
+ orion_xor_init_channels(&orion_xor10_data, &orion_xor10_channel,
+ &orion_xor11_data, &orion_xor11_channel);
+}
+
+/*****************************************************************************
+ * EHCI
+ ****************************************************************************/
+static struct orion_ehci_data orion_ehci_data = {
+ .phy_version = EHCI_PHY_NA,
+};
+
+static u64 ehci_dmamask = DMA_BIT_MASK(32);
+
+
+/*****************************************************************************
+ * EHCI0
+ ****************************************************************************/
+static struct resource orion_ehci_resources[2];
+
+static struct platform_device orion_ehci = {
+ .name = "orion-ehci",
+ .id = 0,
+ .dev = {
+ .dma_mask = &ehci_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &orion_ehci_data,
+ },
+};
+
+void __init orion_ehci_init(struct mbus_dram_target_info *mbus_dram_info,
+ unsigned long mapbase,
+ unsigned long irq)
+{
+ orion_ehci_data.dram = mbus_dram_info;
+ fill_resources(&orion_ehci, orion_ehci_resources, mapbase, SZ_4K - 1,
+ irq);
+
+ platform_device_register(&orion_ehci);
+}
+
+/*****************************************************************************
+ * EHCI1
+ ****************************************************************************/
+static struct resource orion_ehci_1_resources[2];
+
+static struct platform_device orion_ehci_1 = {
+ .name = "orion-ehci",
+ .id = 1,
+ .dev = {
+ .dma_mask = &ehci_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &orion_ehci_data,
+ },
+};
+
+void __init orion_ehci_1_init(struct mbus_dram_target_info *mbus_dram_info,
+ unsigned long mapbase,
+ unsigned long irq)
+{
+ orion_ehci_data.dram = mbus_dram_info;
+ fill_resources(&orion_ehci_1, orion_ehci_1_resources,
+ mapbase, SZ_4K - 1, irq);
+
+ platform_device_register(&orion_ehci_1);
+}
+
+/*****************************************************************************
+ * EHCI2
+ ****************************************************************************/
+static struct resource orion_ehci_2_resources[2];
+
+static struct platform_device orion_ehci_2 = {
+ .name = "orion-ehci",
+ .id = 2,
+ .dev = {
+ .dma_mask = &ehci_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &orion_ehci_data,
+ },
+};
+
+void __init orion_ehci_2_init(struct mbus_dram_target_info *mbus_dram_info,
+ unsigned long mapbase,
+ unsigned long irq)
+{
+ orion_ehci_data.dram = mbus_dram_info;
+ fill_resources(&orion_ehci_2, orion_ehci_2_resources,
+ mapbase, SZ_4K - 1, irq);
+
+ platform_device_register(&orion_ehci_2);
+}
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+static struct resource orion_sata_resources[2] = {
+ {
+ .name = "sata base",
+ }, {
+ .name = "sata irq",
+ },
+};
+
+static struct platform_device orion_sata = {
+ .name = "sata_mv",
+ .id = 0,
+ .dev = {
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
+void __init orion_sata_init(struct mv_sata_platform_data *sata_data,
+ struct mbus_dram_target_info *mbus_dram_info,
+ unsigned long mapbase,
+ unsigned long irq)
+{
+ sata_data->dram = mbus_dram_info;
+ orion_sata.dev.platform_data = sata_data;
+ fill_resources(&orion_sata, orion_sata_resources,
+ mapbase, 0x5000 - 1, irq);
+
+ platform_device_register(&orion_sata);
+}
+
+/*****************************************************************************
+ * Cryptographic Engines and Security Accelerator (CESA)
+ ****************************************************************************/
+static struct resource orion_crypto_resources[] = {
+ {
+ .name = "regs",
+ }, {
+ .name = "crypto interrupt",
+ }, {
+ .name = "sram",
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device orion_crypto = {
+ .name = "mv_crypto",
+ .id = -1,
+};
+
+void __init orion_crypto_init(unsigned long mapbase,
+ unsigned long srambase,
+ unsigned long sram_size,
+ unsigned long irq)
+{
+ fill_resources(&orion_crypto, orion_crypto_resources,
+ mapbase, 0xffff, irq);
+ orion_crypto.num_resources = 3;
+ orion_crypto_resources[2].start = srambase;
+ orion_crypto_resources[2].end = srambase + sram_size - 1;
+
+ platform_device_register(&orion_crypto);
+}
diff --git a/arch/arm/plat-orion/gpio.c b/arch/arm/plat-orion/gpio.c
index a431a13..5b4fffa 100644
--- a/arch/arm/plat-orion/gpio.c
+++ b/arch/arm/plat-orion/gpio.c
@@ -321,59 +321,16 @@ EXPORT_SYMBOL(orion_gpio_set_blink);
* polarity LEVEL mask
*
****************************************************************************/
-static void gpio_irq_ack(struct irq_data *d)
-{
- struct orion_gpio_chip *ochip = irq_data_get_irq_chip_data(d);
- int type = irqd_get_trigger_type(d);
-
- if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) {
- int pin = d->irq - ochip->secondary_irq_base;
-
- writel(~(1 << pin), GPIO_EDGE_CAUSE(ochip));
- }
-}
-
-static void gpio_irq_mask(struct irq_data *d)
-{
- struct orion_gpio_chip *ochip = irq_data_get_irq_chip_data(d);
- int type = irqd_get_trigger_type(d);
- void __iomem *reg;
- int pin;
-
- if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING))
- reg = GPIO_EDGE_MASK(ochip);
- else
- reg = GPIO_LEVEL_MASK(ochip);
-
- pin = d->irq - ochip->secondary_irq_base;
-
- writel(readl(reg) & ~(1 << pin), reg);
-}
-
-static void gpio_irq_unmask(struct irq_data *d)
-{
- struct orion_gpio_chip *ochip = irq_data_get_irq_chip_data(d);
- int type = irqd_get_trigger_type(d);
- void __iomem *reg;
- int pin;
-
- if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING))
- reg = GPIO_EDGE_MASK(ochip);
- else
- reg = GPIO_LEVEL_MASK(ochip);
-
- pin = d->irq - ochip->secondary_irq_base;
-
- writel(readl(reg) | (1 << pin), reg);
-}
static int gpio_irq_set_type(struct irq_data *d, u32 type)
{
- struct orion_gpio_chip *ochip = irq_data_get_irq_chip_data(d);
+ struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+ struct irq_chip_type *ct = irq_data_get_chip_type(d);
+ struct orion_gpio_chip *ochip = gc->private;
int pin;
u32 u;
- pin = d->irq - ochip->secondary_irq_base;
+ pin = d->irq - gc->irq_base;
u = readl(GPIO_IO_CONF(ochip)) & (1 << pin);
if (!u) {
@@ -382,18 +339,14 @@ static int gpio_irq_set_type(struct irq_data *d, u32 type)
return -EINVAL;
}
- /*
- * Set edge/level type.
- */
- if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) {
- __irq_set_handler_locked(d->irq, handle_edge_irq);
- } else if (type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW)) {
- __irq_set_handler_locked(d->irq, handle_level_irq);
- } else {
- printk(KERN_ERR "failed to set irq=%d (type=%d)\n",
- d->irq, type);
+ type &= IRQ_TYPE_SENSE_MASK;
+ if (type == IRQ_TYPE_NONE)
return -EINVAL;
- }
+
+ /* Check if we need to change chip and handler */
+ if (!(ct->type & type))
+ if (irq_setup_alt_chip(d, type))
+ return -EINVAL;
/*
* Configure interrupt polarity.
@@ -425,19 +378,12 @@ static int gpio_irq_set_type(struct irq_data *d, u32 type)
return 0;
}
-struct irq_chip orion_gpio_irq_chip = {
- .name = "orion_gpio_irq",
- .irq_ack = gpio_irq_ack,
- .irq_mask = gpio_irq_mask,
- .irq_unmask = gpio_irq_unmask,
- .irq_set_type = gpio_irq_set_type,
-};
-
void __init orion_gpio_init(int gpio_base, int ngpio,
u32 base, int mask_offset, int secondary_irq_base)
{
struct orion_gpio_chip *ochip;
- int i;
+ struct irq_chip_generic *gc;
+ struct irq_chip_type *ct;
if (orion_gpio_chip_count == ARRAY_SIZE(orion_gpio_chips))
return;
@@ -471,15 +417,29 @@ void __init orion_gpio_init(int gpio_base, int ngpio,
writel(0, GPIO_EDGE_MASK(ochip));
writel(0, GPIO_LEVEL_MASK(ochip));
- for (i = 0; i < ngpio; i++) {
- unsigned int irq = secondary_irq_base + i;
-
- irq_set_chip_and_handler(irq, &orion_gpio_irq_chip,
- handle_level_irq);
- irq_set_chip_data(irq, ochip);
- irq_set_status_flags(irq, IRQ_LEVEL);
- set_irq_flags(irq, IRQF_VALID);
- }
+ gc = irq_alloc_generic_chip("orion_gpio_irq", 2, secondary_irq_base,
+ ochip->base, handle_level_irq);
+ gc->private = ochip;
+
+ ct = gc->chip_types;
+ ct->regs.mask = ochip->mask_offset + GPIO_LEVEL_MASK_OFF;
+ ct->type = IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW;
+ ct->chip.irq_mask = irq_gc_mask_clr_bit;
+ ct->chip.irq_unmask = irq_gc_mask_set_bit;
+ ct->chip.irq_set_type = gpio_irq_set_type;
+
+ ct++;
+ ct->regs.mask = ochip->mask_offset + GPIO_EDGE_MASK_OFF;
+ ct->regs.ack = GPIO_EDGE_CAUSE_OFF;
+ ct->type = IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING;
+ ct->chip.irq_ack = irq_gc_ack;
+ ct->chip.irq_mask = irq_gc_mask_clr_bit;
+ ct->chip.irq_unmask = irq_gc_mask_set_bit;
+ ct->chip.irq_set_type = gpio_irq_set_type;
+ ct->handler = handle_edge_irq;
+
+ irq_setup_generic_chip(gc, IRQ_MSK(ngpio), IRQ_GC_INIT_MASK_CACHE,
+ IRQ_NOREQUEST, IRQ_LEVEL | IRQ_NOPROBE);
}
void orion_gpio_irq_handler(int pinoff)
diff --git a/arch/arm/plat-orion/include/plat/common.h b/arch/arm/plat-orion/include/plat/common.h
new file mode 100644
index 0000000..a63c357
--- /dev/null
+++ b/arch/arm/plat-orion/include/plat/common.h
@@ -0,0 +1,117 @@
+/*
+ * arch/arm/plat-orion/include/plat/common.h
+ *
+ * Marvell Orion SoC common setup code used by different mach-/common.c
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __PLAT_COMMON_H
+#include <linux/mv643xx_eth.h>
+
+struct dsa_platform_data;
+
+void __init orion_uart0_init(unsigned int membase,
+ resource_size_t mapbase,
+ unsigned int irq,
+ unsigned int uartclk);
+
+void __init orion_uart1_init(unsigned int membase,
+ resource_size_t mapbase,
+ unsigned int irq,
+ unsigned int uartclk);
+
+void __init orion_uart2_init(unsigned int membase,
+ resource_size_t mapbase,
+ unsigned int irq,
+ unsigned int uartclk);
+
+void __init orion_uart3_init(unsigned int membase,
+ resource_size_t mapbase,
+ unsigned int irq,
+ unsigned int uartclk);
+
+void __init orion_rtc_init(unsigned long mapbase,
+ unsigned long irq);
+
+void __init orion_ge00_init(struct mv643xx_eth_platform_data *eth_data,
+ struct mbus_dram_target_info *mbus_dram_info,
+ unsigned long mapbase,
+ unsigned long irq,
+ unsigned long irq_err,
+ int tclk);
+
+void __init orion_ge01_init(struct mv643xx_eth_platform_data *eth_data,
+ struct mbus_dram_target_info *mbus_dram_info,
+ unsigned long mapbase,
+ unsigned long irq,
+ unsigned long irq_err,
+ int tclk);
+
+void __init orion_ge10_init(struct mv643xx_eth_platform_data *eth_data,
+ struct mbus_dram_target_info *mbus_dram_info,
+ unsigned long mapbase,
+ unsigned long irq,
+ unsigned long irq_err,
+ int tclk);
+
+void __init orion_ge11_init(struct mv643xx_eth_platform_data *eth_data,
+ struct mbus_dram_target_info *mbus_dram_info,
+ unsigned long mapbase,
+ unsigned long irq,
+ unsigned long irq_err,
+ int tclk);
+
+void __init orion_ge00_switch_init(struct dsa_platform_data *d,
+ int irq);
+void __init orion_i2c_init(unsigned long mapbase,
+ unsigned long irq,
+ unsigned long freq_m);
+
+void __init orion_i2c_1_init(unsigned long mapbase,
+ unsigned long irq,
+ unsigned long freq_m);
+
+void __init orion_spi_init(unsigned long mapbase,
+ unsigned long tclk);
+
+void __init orion_spi_1_init(unsigned long mapbase,
+ unsigned long tclk);
+
+void __init orion_wdt_init(unsigned long tclk);
+
+void __init orion_xor0_init(struct mbus_dram_target_info *mbus_dram_info,
+ unsigned long mapbase_low,
+ unsigned long mapbase_high,
+ unsigned long irq_0,
+ unsigned long irq_1);
+
+void __init orion_xor1_init(unsigned long mapbase_low,
+ unsigned long mapbase_high,
+ unsigned long irq_0,
+ unsigned long irq_1);
+
+void __init orion_ehci_init(struct mbus_dram_target_info *mbus_dram_info,
+ unsigned long mapbase,
+ unsigned long irq);
+
+void __init orion_ehci_1_init(struct mbus_dram_target_info *mbus_dram_info,
+ unsigned long mapbase,
+ unsigned long irq);
+
+void __init orion_ehci_2_init(struct mbus_dram_target_info *mbus_dram_info,
+ unsigned long mapbase,
+ unsigned long irq);
+
+void __init orion_sata_init(struct mv_sata_platform_data *sata_data,
+ struct mbus_dram_target_info *mbus_dram_info,
+ unsigned long mapbase,
+ unsigned long irq);
+
+void __init orion_crypto_init(unsigned long mapbase,
+ unsigned long srambase,
+ unsigned long sram_size,
+ unsigned long irq);
+#endif
diff --git a/arch/arm/plat-orion/include/plat/gpio.h b/arch/arm/plat-orion/include/plat/gpio.h
index 5578b98..3075b9f 100644
--- a/arch/arm/plat-orion/include/plat/gpio.h
+++ b/arch/arm/plat-orion/include/plat/gpio.h
@@ -39,7 +39,6 @@ void __init orion_gpio_init(int gpio_base, int ngpio,
/*
* GPIO interrupt handling.
*/
-extern struct irq_chip orion_gpio_irq_chip;
void orion_gpio_irq_handler(int irqoff);
diff --git a/arch/arm/plat-orion/include/plat/mpp.h b/arch/arm/plat-orion/include/plat/mpp.h
new file mode 100644
index 0000000..723adce
--- /dev/null
+++ b/arch/arm/plat-orion/include/plat/mpp.h
@@ -0,0 +1,34 @@
+/*
+ * arch/arm/plat-orion/include/plat/mpp.h
+ *
+ * Marvell Orion SoC MPP handling.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __PLAT_MPP_H
+#define __PLAT_MPP_H
+
+#define MPP_NUM(x) ((x) & 0xff)
+#define MPP_SEL(x) (((x) >> 8) & 0xf)
+
+/* This is the generic MPP macro, without any variant information.
+ Each machine architecture is expected to extend this with further
+ bit fields indicating which MPP configurations are valid for a
+ specific variant. */
+
+#define GENERIC_MPP(_num, _sel, _in, _out) ( \
+ /* MPP number */ ((_num) & 0xff) | \
+ /* MPP select value */ (((_sel) & 0xf) << 8) | \
+ /* may be input signal */ ((!!(_in)) << 12) | \
+ /* may be output signal */ ((!!(_out)) << 13))
+
+#define MPP_INPUT_MASK GENERIC_MPP(0, 0x0, 1, 0)
+#define MPP_OUTPUT_MASK GENERIC_MPP(0, 0x0, 0, 1)
+
+void __init orion_mpp_conf(unsigned int *mpp_list, unsigned int variant_mask,
+ unsigned int mpp_max, unsigned int dev_bus);
+
+#endif
diff --git a/arch/arm/plat-orion/irq.c b/arch/arm/plat-orion/irq.c
index d8d638e..2d5b9c1 100644
--- a/arch/arm/plat-orion/irq.c
+++ b/arch/arm/plat-orion/irq.c
@@ -14,52 +14,21 @@
#include <linux/io.h>
#include <plat/irq.h>
-static void orion_irq_mask(struct irq_data *d)
-{
- void __iomem *maskaddr = irq_data_get_irq_chip_data(d);
- u32 mask;
-
- mask = readl(maskaddr);
- mask &= ~(1 << (d->irq & 31));
- writel(mask, maskaddr);
-}
-
-static void orion_irq_unmask(struct irq_data *d)
-{
- void __iomem *maskaddr = irq_data_get_irq_chip_data(d);
- u32 mask;
-
- mask = readl(maskaddr);
- mask |= 1 << (d->irq & 31);
- writel(mask, maskaddr);
-}
-
-static struct irq_chip orion_irq_chip = {
- .name = "orion_irq",
- .irq_mask = orion_irq_mask,
- .irq_mask_ack = orion_irq_mask,
- .irq_unmask = orion_irq_unmask,
-};
-
void __init orion_irq_init(unsigned int irq_start, void __iomem *maskaddr)
{
- unsigned int i;
+ struct irq_chip_generic *gc;
+ struct irq_chip_type *ct;
/*
* Mask all interrupts initially.
*/
writel(0, maskaddr);
- /*
- * Register IRQ sources.
- */
- for (i = 0; i < 32; i++) {
- unsigned int irq = irq_start + i;
-
- irq_set_chip_and_handler(irq, &orion_irq_chip,
- handle_level_irq);
- irq_set_chip_data(irq, maskaddr);
- irq_set_status_flags(irq, IRQ_LEVEL);
- set_irq_flags(irq, IRQF_VALID);
- }
+ gc = irq_alloc_generic_chip("orion_irq", 1, irq_start, maskaddr,
+ handle_level_irq);
+ ct = gc->chip_types;
+ ct->chip.irq_mask = irq_gc_mask_clr_bit;
+ ct->chip.irq_unmask = irq_gc_mask_set_bit;
+ irq_setup_generic_chip(gc, IRQ_MSK(32), IRQ_GC_INIT_MASK_CACHE,
+ IRQ_NOREQUEST, IRQ_LEVEL | IRQ_NOPROBE);
}
diff --git a/arch/arm/plat-orion/mpp.c b/arch/arm/plat-orion/mpp.c
new file mode 100644
index 0000000..9155343
--- /dev/null
+++ b/arch/arm/plat-orion/mpp.c
@@ -0,0 +1,78 @@
+/*
+ * arch/arm/plat-orion/mpp.c
+ *
+ * MPP functions for Marvell orion SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mbus.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <mach/hardware.h>
+#include <plat/mpp.h>
+
+/* Address of the ith MPP control register */
+static __init unsigned long mpp_ctrl_addr(unsigned int i,
+ unsigned long dev_bus)
+{
+ return dev_bus + (i) * 4;
+}
+
+
+void __init orion_mpp_conf(unsigned int *mpp_list, unsigned int variant_mask,
+ unsigned int mpp_max, unsigned int dev_bus)
+{
+ unsigned int mpp_nr_regs = (1 + mpp_max/8);
+ u32 mpp_ctrl[mpp_nr_regs];
+ int i;
+
+ printk(KERN_DEBUG "initial MPP regs:");
+ for (i = 0; i < mpp_nr_regs; i++) {
+ mpp_ctrl[i] = readl(mpp_ctrl_addr(i, dev_bus));
+ printk(" %08x", mpp_ctrl[i]);
+ }
+ printk("\n");
+
+ for ( ; *mpp_list; mpp_list++) {
+ unsigned int num = MPP_NUM(*mpp_list);
+ unsigned int sel = MPP_SEL(*mpp_list);
+ int shift, gpio_mode;
+
+ if (num > mpp_max) {
+ printk(KERN_ERR "orion_mpp_conf: invalid MPP "
+ "number (%u)\n", num);
+ continue;
+ }
+ if (variant_mask & !(*mpp_list & variant_mask)) {
+ printk(KERN_WARNING
+ "orion_mpp_conf: requested MPP%u config "
+ "unavailable on this hardware\n", num);
+ continue;
+ }
+
+ shift = (num & 7) << 2;
+ mpp_ctrl[num / 8] &= ~(0xf << shift);
+ mpp_ctrl[num / 8] |= sel << shift;
+
+ gpio_mode = 0;
+ if (*mpp_list & MPP_INPUT_MASK)
+ gpio_mode |= GPIO_INPUT_OK;
+ if (*mpp_list & MPP_OUTPUT_MASK)
+ gpio_mode |= GPIO_OUTPUT_OK;
+ if (sel != 0)
+ gpio_mode = 0;
+ orion_gpio_set_valid(num, gpio_mode);
+ }
+
+ printk(KERN_DEBUG " final MPP regs:");
+ for (i = 0; i < mpp_nr_regs; i++) {
+ writel(mpp_ctrl[i], mpp_ctrl_addr(i, dev_bus));
+ printk(" %08x", mpp_ctrl[i]);
+ }
+ printk("\n");
+}
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