diff options
Diffstat (limited to 'arch/arm/mach-mx2/pcm038.c')
| -rw-r--r-- | arch/arm/mach-mx2/pcm038.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/arch/arm/mach-mx2/pcm038.c b/arch/arm/mach-mx2/pcm038.c new file mode 100644 index 0000000..a9a28f5 --- /dev/null +++ b/arch/arm/mach-mx2/pcm038.c @@ -0,0 +1,204 @@ +/* + * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix + * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301, USA. + */ + +#include <linux/platform_device.h> +#include <linux/mtd/physmap.h> +#include <asm/mach/arch.h> +#include <asm/mach-types.h> +#include <asm/arch/common.h> +#include <asm/hardware.h> +#include <asm/arch/iomux-mx1-mx2.h> +#include <asm/mach/time.h> +#include <asm/arch/imx-uart.h> +#include <asm/arch/board-pcm038.h> + +/* + * Phytec's phyCORE-i.MX27 comes with 32MiB flash, + * 16 bit width + */ +static struct physmap_flash_data pcm038_flash_data = { + .width = 2, +}; + +static struct resource pcm038_flash_resource = { + .start = 0xc0000000, + .end = 0xc1ffffff, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device pcm038_nor_mtd_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &pcm038_flash_data, + }, + .num_resources = 1, + .resource = &pcm038_flash_resource, +}; + +static int mxc_uart0_pins[] = { + PE12_PF_UART1_TXD, + PE13_PF_UART1_RXD, + PE14_PF_UART1_CTS, + PE15_PF_UART1_RTS +}; + +static int uart_mxc_port0_init(struct platform_device *pdev) +{ + return mxc_gpio_setup_multiple_pins(mxc_uart0_pins, + ARRAY_SIZE(mxc_uart0_pins), + MXC_GPIO_ALLOC_MODE_NORMAL, "UART0"); +} + +static int uart_mxc_port0_exit(struct platform_device *pdev) +{ + return mxc_gpio_setup_multiple_pins(mxc_uart0_pins, + ARRAY_SIZE(mxc_uart0_pins), + MXC_GPIO_ALLOC_MODE_RELEASE, "UART0"); +} + +static int mxc_uart1_pins[] = { + PE3_PF_UART2_CTS, + PE4_PF_UART2_RTS, + PE6_PF_UART2_TXD, + PE7_PF_UART2_RXD +}; + +static int uart_mxc_port1_init(struct platform_device *pdev) +{ + return mxc_gpio_setup_multiple_pins(mxc_uart1_pins, + ARRAY_SIZE(mxc_uart1_pins), + MXC_GPIO_ALLOC_MODE_NORMAL, "UART1"); +} + +static int uart_mxc_port1_exit(struct platform_device *pdev) +{ + return mxc_gpio_setup_multiple_pins(mxc_uart1_pins, + ARRAY_SIZE(mxc_uart1_pins), + MXC_GPIO_ALLOC_MODE_RELEASE, "UART1"); +} + +static int mxc_uart2_pins[] = { PE10_PF_UART3_CTS, + PE9_PF_UART3_RXD, + PE10_PF_UART3_CTS, + PE9_PF_UART3_RXD }; + +static int uart_mxc_port2_init(struct platform_device *pdev) +{ + return mxc_gpio_setup_multiple_pins(mxc_uart2_pins, + ARRAY_SIZE(mxc_uart2_pins), + MXC_GPIO_ALLOC_MODE_NORMAL, "UART2"); +} + +static int uart_mxc_port2_exit(struct platform_device *pdev) +{ + return mxc_gpio_setup_multiple_pins(mxc_uart2_pins, + ARRAY_SIZE(mxc_uart2_pins), + MXC_GPIO_ALLOC_MODE_RELEASE, "UART2"); +} + +static struct imxuart_platform_data uart_pdata[] = { + { + .init = uart_mxc_port0_init, + .exit = uart_mxc_port0_exit, + .flags = IMXUART_HAVE_RTSCTS, + }, { + .init = uart_mxc_port1_init, + .exit = uart_mxc_port1_exit, + .flags = IMXUART_HAVE_RTSCTS, + }, { + .init = uart_mxc_port2_init, + .exit = uart_mxc_port2_exit, + .flags = IMXUART_HAVE_RTSCTS, + }, +}; + +static int mxc_fec_pins[] = { + PD0_AIN_FEC_TXD0, + PD1_AIN_FEC_TXD1, + PD2_AIN_FEC_TXD2, + PD3_AIN_FEC_TXD3, + PD4_AOUT_FEC_RX_ER, + PD5_AOUT_FEC_RXD1, + PD6_AOUT_FEC_RXD2, + PD7_AOUT_FEC_RXD3, + PD8_AF_FEC_MDIO, + PD9_AIN_FEC_MDC, + PD10_AOUT_FEC_CRS, + PD11_AOUT_FEC_TX_CLK, + PD12_AOUT_FEC_RXD0, + PD13_AOUT_FEC_RX_DV, + PD14_AOUT_FEC_CLR, + PD15_AOUT_FEC_COL, + PD16_AIN_FEC_TX_ER, + PF23_AIN_FEC_TX_EN +}; + +static void gpio_fec_active(void) +{ + mxc_gpio_setup_multiple_pins(mxc_fec_pins, + ARRAY_SIZE(mxc_fec_pins), + MXC_GPIO_ALLOC_MODE_NORMAL, "FEC"); +} + +static void gpio_fec_inactive(void) +{ + mxc_gpio_setup_multiple_pins(mxc_fec_pins, + ARRAY_SIZE(mxc_fec_pins), + MXC_GPIO_ALLOC_MODE_RELEASE, "FEC"); +} + +static struct platform_device *platform_devices[] __initdata = { + &pcm038_nor_mtd_device, +}; + +static void __init pcm038_init(void) +{ + int i; + gpio_fec_active(); + + for (i = 0; i < 3; i++) + imx_init_uart(i, &uart_pdata[i]); + + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); + +#ifdef CONFIG_MACH_PCM970_BASEBOARD + pcm970_baseboard_init(); +#endif +} + +static void __init pcm038_timer_init(void) +{ + mxc_clocks_init(26000000); + mxc_timer_init("gpt_clk.0"); +} + +struct sys_timer pcm038_timer = { + .init = pcm038_timer_init, +}; + +MACHINE_START(PCM038, "phyCORE-i.MX27") + .phys_io = AIPI_BASE_ADDR, + .io_pg_offst = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, + .boot_params = PHYS_OFFSET + 0x100, + .map_io = mxc_map_io, + .init_irq = mxc_init_irq, + .init_machine = pcm038_init, + .timer = &pcm038_timer, +MACHINE_END |