1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * linux/arch/arm/mach-mmp/tavorevb.c 4 * 5 * Support for the Marvell PXA910-based TavorEVB Development Platform. 6 */ 7 #include <linux/gpio.h> 8 #include <linux/gpio-pxa.h> 9 #include <linux/init.h> 10 #include <linux/kernel.h> 11 #include <linux/platform_device.h> 12 #include <linux/smc91x.h> 13 14 #include <asm/mach-types.h> 15 #include <asm/mach/arch.h> 16 #include "addr-map.h" 17 #include "mfp-pxa910.h" 18 #include "pxa910.h" 19 #include "irqs.h" 20 21 #include "common.h" 22 23 static unsigned long tavorevb_pin_config[] __initdata = { 24 /* UART2 */ 25 GPIO47_UART2_RXD, 26 GPIO48_UART2_TXD, 27 28 /* SMC */ 29 SM_nCS0_nCS0, 30 SM_ADV_SM_ADV, 31 SM_SCLK_SM_SCLK, 32 SM_SCLK_SM_SCLK, 33 SM_BE0_SM_BE0, 34 SM_BE1_SM_BE1, 35 36 /* DFI */ 37 DF_IO0_ND_IO0, 38 DF_IO1_ND_IO1, 39 DF_IO2_ND_IO2, 40 DF_IO3_ND_IO3, 41 DF_IO4_ND_IO4, 42 DF_IO5_ND_IO5, 43 DF_IO6_ND_IO6, 44 DF_IO7_ND_IO7, 45 DF_IO8_ND_IO8, 46 DF_IO9_ND_IO9, 47 DF_IO10_ND_IO10, 48 DF_IO11_ND_IO11, 49 DF_IO12_ND_IO12, 50 DF_IO13_ND_IO13, 51 DF_IO14_ND_IO14, 52 DF_IO15_ND_IO15, 53 DF_nCS0_SM_nCS2_nCS0, 54 DF_ALE_SM_WEn_ND_ALE, 55 DF_CLE_SM_OEn_ND_CLE, 56 DF_WEn_DF_WEn, 57 DF_REn_DF_REn, 58 DF_RDY0_DF_RDY0, 59 }; 60 61 static struct pxa_gpio_platform_data pxa910_gpio_pdata = { 62 .irq_base = MMP_GPIO_TO_IRQ(0), 63 }; 64 65 static struct smc91x_platdata tavorevb_smc91x_info = { 66 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT, 67 }; 68 69 static struct resource smc91x_resources[] = { 70 [0] = { 71 .start = SMC_CS1_PHYS_BASE + 0x300, 72 .end = SMC_CS1_PHYS_BASE + 0xfffff, 73 .flags = IORESOURCE_MEM, 74 }, 75 [1] = { 76 .start = MMP_GPIO_TO_IRQ(80), 77 .end = MMP_GPIO_TO_IRQ(80), 78 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, 79 } 80 }; 81 82 static struct platform_device smc91x_device = { 83 .name = "smc91x", 84 .id = 0, 85 .dev = { 86 .platform_data = &tavorevb_smc91x_info, 87 }, 88 .num_resources = ARRAY_SIZE(smc91x_resources), 89 .resource = smc91x_resources, 90 }; 91 tavorevb_init(void)92 static void __init tavorevb_init(void) 93 { 94 mfp_config(ARRAY_AND_SIZE(tavorevb_pin_config)); 95 96 /* on-chip devices */ 97 pxa910_add_uart(1); 98 platform_device_add_data(&pxa910_device_gpio, &pxa910_gpio_pdata, 99 sizeof(struct pxa_gpio_platform_data)); 100 platform_device_register(&pxa910_device_gpio); 101 102 /* off-chip devices */ 103 platform_device_register(&smc91x_device); 104 } 105 106 MACHINE_START(TAVOREVB, "PXA910 Evaluation Board (aka TavorEVB)") 107 .map_io = mmp_map_io, 108 .nr_irqs = MMP_NR_IRQS, 109 .init_irq = pxa910_init_irq, 110 .init_time = pxa910_timer_init, 111 .init_machine = tavorevb_init, 112 .restart = mmp_restart, 113 MACHINE_END 114