/* * 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 <mach/loki.h> #include <plat/orion_nand.h> #include <plat/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, .dev = { .coherent_dma_mask = 0xffffffff, }, }; 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, .dev = { .coherent_dma_mask = 0xffffffff, }, }; 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(); }