arm/mach-mmp/flint.c

0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  *  linux/arch/arm/mach-mmp/flint.c
0004  *
0005  *  Support for the Marvell Flint Development Platform.
0006  *
0007  *  Copyright (C) 2009 Marvell International Ltd.
0008  */
0009
0010 #include <linux/init.h>
0011 #include <linux/kernel.h>
0012 #include <linux/platform_device.h>
0013 #include <linux/smc91x.h>
0014 #include <linux/io.h>
0015 #include <linux/gpio.h>
0016 #include <linux/gpio-pxa.h>
0017 #include <linux/interrupt.h>
0018
0019 #include <asm/mach-types.h>
0020 #include <asm/mach/arch.h>
0021 #include "addr-map.h"
0022 #include "mfp-mmp2.h"
0023 #include "mmp2.h"
0024 #include "irqs.h"
0025
0026 #include "common.h"
0027
0028 #define FLINT_NR_IRQS   (MMP_NR_IRQS + 48)
0029
0030 static unsigned long flint_pin_config[] __initdata = {
0031     /* UART1 */
0032     GPIO45_UART1_RXD,
0033     GPIO46_UART1_TXD,
0034
0035     /* UART2 */
0036     GPIO47_UART2_RXD,
0037     GPIO48_UART2_TXD,
0038
0039     /* SMC */
0040     GPIO151_SMC_SCLK,
0041     GPIO145_SMC_nCS0,
0042     GPIO146_SMC_nCS1,
0043     GPIO152_SMC_BE0,
0044     GPIO153_SMC_BE1,
0045     GPIO154_SMC_IRQ,
0046     GPIO113_SMC_RDY,
0047
0048     /*Ethernet*/
0049     GPIO155_GPIO,
0050
0051     /* DFI */
0052     GPIO168_DFI_D0,
0053     GPIO167_DFI_D1,
0054     GPIO166_DFI_D2,
0055     GPIO165_DFI_D3,
0056     GPIO107_DFI_D4,
0057     GPIO106_DFI_D5,
0058     GPIO105_DFI_D6,
0059     GPIO104_DFI_D7,
0060     GPIO111_DFI_D8,
0061     GPIO164_DFI_D9,
0062     GPIO163_DFI_D10,
0063     GPIO162_DFI_D11,
0064     GPIO161_DFI_D12,
0065     GPIO110_DFI_D13,
0066     GPIO109_DFI_D14,
0067     GPIO108_DFI_D15,
0068     GPIO143_ND_nCS0,
0069     GPIO144_ND_nCS1,
0070     GPIO147_ND_nWE,
0071     GPIO148_ND_nRE,
0072     GPIO150_ND_ALE,
0073     GPIO149_ND_CLE,
0074     GPIO112_ND_RDY0,
0075     GPIO160_ND_RDY1,
0076 };
0077
0078 static struct pxa_gpio_platform_data mmp2_gpio_pdata = {
0079     .irq_base   = MMP_GPIO_TO_IRQ(0),
0080 };
0081
0082 static struct smc91x_platdata flint_smc91x_info = {
0083     .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
0084 };
0085
0086 static struct resource smc91x_resources[] = {
0087     [0] = {
0088         .start  = SMC_CS1_PHYS_BASE + 0x300,
0089         .end    = SMC_CS1_PHYS_BASE + 0xfffff,
0090         .flags  = IORESOURCE_MEM,
0091     },
0092     [1] = {
0093         .start  = MMP_GPIO_TO_IRQ(155),
0094         .end    = MMP_GPIO_TO_IRQ(155),
0095         .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
0096     }
0097 };
0098
0099 static struct platform_device smc91x_device = {
0100     .name           = "smc91x",
0101     .id             = 0,
0102     .dev            = {
0103         .platform_data = &flint_smc91x_info,
0104     },
0105     .num_resources  = ARRAY_SIZE(smc91x_resources),
0106     .resource       = smc91x_resources,
0107 };
0108
0109 static void __init flint_init(void)
0110 {
0111     mfp_config(ARRAY_AND_SIZE(flint_pin_config));
0112
0113     /* on-chip devices */
0114     mmp2_add_uart(1);
0115     mmp2_add_uart(2);
0116     platform_device_add_data(&mmp2_device_gpio, &mmp2_gpio_pdata,
0117                  sizeof(struct pxa_gpio_platform_data));
0118     platform_device_register(&mmp2_device_gpio);
0119
0120     /* off-chip devices */
0121     platform_device_register(&smc91x_device);
0122 }
0123
0124 MACHINE_START(FLINT, "Flint Development Platform")
0125     .map_io     = mmp_map_io,
0126     .nr_irqs    = FLINT_NR_IRQS,
0127     .init_irq       = mmp2_init_irq,
0128     .init_time  = mmp2_timer_init,
0129     .init_machine   = flint_init,
0130     .restart    = mmp_restart,
0131 MACHINE_END