aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-loki/common.c
diff options
context:
space:
mode:
authorLennert Buytenhek <buytenh@marvell.com>2008-06-22 22:45:02 +0200
committerLennert Buytenhek <buytenh@marvell.com>2008-06-22 22:45:02 +0200
commit777f9bebad3476b7dbf5cd8abbd3414139ca0e48 (patch)
treef58bb3a02ae8f30463d33a131d17707cf3308843 /arch/arm/mach-loki/common.c
parent1219715de70956557b9dedf3ee021a73d4f4ec52 (diff)
downloadlinux-linaro-stable-777f9bebad3476b7dbf5cd8abbd3414139ca0e48.tar.gz
[ARM] add Marvell Loki (88RC8480) SoC support
The Marvell Loki (88RC8480) is an ARM SoC based on a Feroceon CPU core running at between 400 MHz and 1.0 GHz, and features a 64 bit DDR controller, 512K of internal SRAM, two x4 PCI-Express ports, two Gigabit Ethernet ports, two 4x SAS/SATA controllers, two UARTs, two TWSI controllers, and IDMA/XOR engines. This patch adds support for the Marvell LB88RC8480 Development Board, enabling the use of the PCIe interfaces, the ethernet interfaces, the TWSI interfaces and the UARTs. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Diffstat (limited to 'arch/arm/mach-loki/common.c')
-rw-r--r--arch/arm/mach-loki/common.c305
1 files changed, 305 insertions, 0 deletions
diff --git a/arch/arm/mach-loki/common.c b/arch/arm/mach-loki/common.c
new file mode 100644
index 000000000000..410f50399dd3
--- /dev/null
+++ b/arch/arm/mach-loki/common.c
@@ -0,0 +1,305 @@
+/*
+ * arch/arm/mach-loki/common.c
+ *
+ * Core functions for Marvell Loki (88RC8480) 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/platform_device.h>
+#include <linux/serial_8250.h>
+#include <linux/mbus.h>
+#include <linux/mv643xx_eth.h>
+#include <asm/page.h>
+#include <asm/timex.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+#include <asm/arch/loki.h>
+#include <asm/plat-orion/orion_nand.h>
+#include <asm/plat-orion/time.h>
+#include "common.h"
+
+/*****************************************************************************
+ * I/O Address Mapping
+ ****************************************************************************/
+static struct map_desc loki_io_desc[] __initdata = {
+ {
+ .virtual = LOKI_REGS_VIRT_BASE,
+ .pfn = __phys_to_pfn(LOKI_REGS_PHYS_BASE),
+ .length = LOKI_REGS_SIZE,
+ .type = MT_DEVICE,
+ },
+};
+
+void __init loki_map_io(void)
+{
+ iotable_init(loki_io_desc, ARRAY_SIZE(loki_io_desc));
+}
+
+
+/*****************************************************************************
+ * GE0
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data loki_ge0_shared_data = {
+ .t_clk = LOKI_TCLK,
+ .dram = &loki_mbus_dram_info,
+};
+
+static struct resource loki_ge0_shared_resources[] = {
+ {
+ .name = "ge0 base",
+ .start = GE0_PHYS_BASE + 0x2000,
+ .end = GE0_PHYS_BASE + 0x3fff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device loki_ge0_shared = {
+ .name = MV643XX_ETH_SHARED_NAME,
+ .id = 0,
+ .dev = {
+ .platform_data = &loki_ge0_shared_data,
+ },
+ .num_resources = 1,
+ .resource = loki_ge0_shared_resources,
+};
+
+static struct resource loki_ge0_resources[] = {
+ {
+ .name = "ge0 irq",
+ .start = IRQ_LOKI_GBE_A_INT,
+ .end = IRQ_LOKI_GBE_A_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device loki_ge0 = {
+ .name = MV643XX_ETH_NAME,
+ .id = 0,
+ .num_resources = 1,
+ .resource = loki_ge0_resources,
+};
+
+void __init loki_ge0_init(struct mv643xx_eth_platform_data *eth_data)
+{
+ eth_data->shared = &loki_ge0_shared;
+ loki_ge0.dev.platform_data = eth_data;
+
+ writel(0x00079220, GE0_VIRT_BASE + 0x20b0);
+ platform_device_register(&loki_ge0_shared);
+ platform_device_register(&loki_ge0);
+}
+
+
+/*****************************************************************************
+ * GE1
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data loki_ge1_shared_data = {
+ .t_clk = LOKI_TCLK,
+ .dram = &loki_mbus_dram_info,
+};
+
+static struct resource loki_ge1_shared_resources[] = {
+ {
+ .name = "ge1 base",
+ .start = GE1_PHYS_BASE + 0x2000,
+ .end = GE1_PHYS_BASE + 0x3fff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device loki_ge1_shared = {
+ .name = MV643XX_ETH_SHARED_NAME,
+ .id = 1,
+ .dev = {
+ .platform_data = &loki_ge1_shared_data,
+ },
+ .num_resources = 1,
+ .resource = loki_ge1_shared_resources,
+};
+
+static struct resource loki_ge1_resources[] = {
+ {
+ .name = "ge1 irq",
+ .start = IRQ_LOKI_GBE_B_INT,
+ .end = IRQ_LOKI_GBE_B_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device loki_ge1 = {
+ .name = MV643XX_ETH_NAME,
+ .id = 1,
+ .num_resources = 1,
+ .resource = loki_ge1_resources,
+};
+
+void __init loki_ge1_init(struct mv643xx_eth_platform_data *eth_data)
+{
+ eth_data->shared = &loki_ge1_shared;
+ loki_ge1.dev.platform_data = eth_data;
+
+ writel(0x00079220, GE1_VIRT_BASE + 0x20b0);
+ platform_device_register(&loki_ge1_shared);
+ platform_device_register(&loki_ge1);
+}
+
+
+/*****************************************************************************
+ * SAS/SATA
+ ****************************************************************************/
+static struct resource loki_sas_resources[] = {
+ {
+ .name = "mvsas0 mem",
+ .start = SAS0_PHYS_BASE,
+ .end = SAS0_PHYS_BASE + 0x01ff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "mvsas0 irq",
+ .start = IRQ_LOKI_SAS_A,
+ .end = IRQ_LOKI_SAS_A,
+ .flags = IORESOURCE_IRQ,
+ }, {
+ .name = "mvsas1 mem",
+ .start = SAS1_PHYS_BASE,
+ .end = SAS1_PHYS_BASE + 0x01ff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "mvsas1 irq",
+ .start = IRQ_LOKI_SAS_B,
+ .end = IRQ_LOKI_SAS_B,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device loki_sas = {
+ .name = "mvsas",
+ .id = 0,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(loki_sas_resources),
+ .resource = loki_sas_resources,
+};
+
+void __init loki_sas_init(void)
+{
+ writel(0x8300f707, DDR_REG(0x1424));
+ platform_device_register(&loki_sas);
+}
+
+
+/*****************************************************************************
+ * UART0
+ ****************************************************************************/
+static struct plat_serial8250_port loki_uart0_data[] = {
+ {
+ .mapbase = UART0_PHYS_BASE,
+ .membase = (char *)UART0_VIRT_BASE,
+ .irq = IRQ_LOKI_UART0,
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = LOKI_TCLK,
+ }, {
+ },
+};
+
+static struct resource loki_uart0_resources[] = {
+ {
+ .start = UART0_PHYS_BASE,
+ .end = UART0_PHYS_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_LOKI_UART0,
+ .end = IRQ_LOKI_UART0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device loki_uart0 = {
+ .name = "serial8250",
+ .id = 0,
+ .dev = {
+ .platform_data = loki_uart0_data,
+ },
+ .resource = loki_uart0_resources,
+ .num_resources = ARRAY_SIZE(loki_uart0_resources),
+};
+
+void __init loki_uart0_init(void)
+{
+ platform_device_register(&loki_uart0);
+}
+
+
+/*****************************************************************************
+ * UART1
+ ****************************************************************************/
+static struct plat_serial8250_port loki_uart1_data[] = {
+ {
+ .mapbase = UART1_PHYS_BASE,
+ .membase = (char *)UART1_VIRT_BASE,
+ .irq = IRQ_LOKI_UART1,
+ .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = LOKI_TCLK,
+ }, {
+ },
+};
+
+static struct resource loki_uart1_resources[] = {
+ {
+ .start = UART1_PHYS_BASE,
+ .end = UART1_PHYS_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_LOKI_UART1,
+ .end = IRQ_LOKI_UART1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device loki_uart1 = {
+ .name = "serial8250",
+ .id = 1,
+ .dev = {
+ .platform_data = loki_uart1_data,
+ },
+ .resource = loki_uart1_resources,
+ .num_resources = ARRAY_SIZE(loki_uart1_resources),
+};
+
+void __init loki_uart1_init(void)
+{
+ platform_device_register(&loki_uart1);
+}
+
+
+/*****************************************************************************
+ * Time handling
+ ****************************************************************************/
+static void loki_timer_init(void)
+{
+ orion_time_init(IRQ_LOKI_BRIDGE, LOKI_TCLK);
+}
+
+struct sys_timer loki_timer = {
+ .init = loki_timer_init,
+};
+
+
+/*****************************************************************************
+ * General
+ ****************************************************************************/
+void __init loki_init(void)
+{
+ printk(KERN_INFO "Loki ID: 88RC8480. TCLK=%d.\n", LOKI_TCLK);
+
+ loki_setup_cpu_mbus();
+}