1 /* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr> 7 */ 8 9 #include <linux/init.h> 10 #include <linux/kernel.h> 11 #include <linux/platform_device.h> 12 #include <bcm63xx_cpu.h> 13 14 static struct resource uart0_resources[] = { 15 { 16 /* start & end filled at runtime */ 17 .flags = IORESOURCE_MEM, 18 }, 19 { 20 /* start filled at runtime */ 21 .flags = IORESOURCE_IRQ, 22 }, 23 }; 24 25 static struct resource uart1_resources[] = { 26 { 27 /* start & end filled at runtime */ 28 .flags = IORESOURCE_MEM, 29 }, 30 { 31 /* start filled at runtime */ 32 .flags = IORESOURCE_IRQ, 33 }, 34 }; 35 36 static struct platform_device bcm63xx_uart_devices[] = { 37 { 38 .name = "bcm63xx_uart", 39 .id = 0, 40 .num_resources = ARRAY_SIZE(uart0_resources), 41 .resource = uart0_resources, 42 }, 43 44 { 45 .name = "bcm63xx_uart", 46 .id = 1, 47 .num_resources = ARRAY_SIZE(uart1_resources), 48 .resource = uart1_resources, 49 } 50 }; 51 52 int __init bcm63xx_uart_register(unsigned int id) 53 { 54 if (id >= ARRAY_SIZE(bcm63xx_uart_devices)) 55 return -ENODEV; 56 57 if (id == 1 && (!BCMCPU_IS_6358() && !BCMCPU_IS_6368())) 58 return -ENODEV; 59 60 if (id == 0) { 61 uart0_resources[0].start = bcm63xx_regset_address(RSET_UART0); 62 uart0_resources[0].end = uart0_resources[0].start + 63 RSET_UART_SIZE - 1; 64 uart0_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0); 65 } 66 67 if (id == 1) { 68 uart1_resources[0].start = bcm63xx_regset_address(RSET_UART1); 69 uart1_resources[0].end = uart1_resources[0].start + 70 RSET_UART_SIZE - 1; 71 uart1_resources[1].start = bcm63xx_get_irq_number(IRQ_UART1); 72 } 73 74 return platform_device_register(&bcm63xx_uart_devices[id]); 75 } 76