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Diffstat (limited to 'arch/arm/boards/pcm037/pcm037.c')
| -rw-r--r-- | arch/arm/boards/pcm037/pcm037.c | 340 |
1 files changed, 340 insertions, 0 deletions
diff --git a/arch/arm/boards/pcm037/pcm037.c b/arch/arm/boards/pcm037/pcm037.c new file mode 100644 index 0000000000..2e6968b844 --- /dev/null +++ b/arch/arm/boards/pcm037/pcm037.c @@ -0,0 +1,340 @@ +/* + * (C) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * Board support for Phytec's, i.MX31 based CPU card, called: PCM037 + */ + +#include <common.h> +#include <init.h> +#include <driver.h> +#include <fs.h> +#include <environment.h> +#include <usb/isp1504.h> +#include <mach/imx-regs.h> +#include <mach/iomux-mx31.h> +#include <asm/armlinux.h> +#include <mach/gpio.h> +#include <asm/io.h> +#include <asm/mmu.h> +#include <partition.h> +#include <asm/mach-types.h> +#include <mach/imx-nand.h> + + +/* + * Up to 32MiB NOR type flash, connected to + * CS line 0, data width is 16 bit + */ +static struct device_d cfi_dev = { + .name = "cfi_flash", + .map_base = IMX_CS0_BASE, + .size = 32 * 1024 * 1024, /* area size */ +}; + +/* + * up to 2MiB static RAM type memory, connected + * to CS4, data width is 16 bit + */ +static struct memory_platform_data sram_dev_pdata0 = { + .name = "sram0", + .flags = DEVFS_RDWR, +}; + +static struct device_d sram_dev = { + .name = "mem", + .map_base = IMX_CS4_BASE, + .size = IMX_CS4_RANGE, /* area size */ + .platform_data = &sram_dev_pdata0, +}; + +/* + * SMSC 9217 network controller + * connected to CS line 1 and interrupt line + * GPIO3, data width is 16 bit + */ +static struct device_d network_dev = { + .name = "smc911x", + .map_base = IMX_CS1_BASE, + .size = IMX_CS1_RANGE, /* area size */ +}; + +#if defined CONFIG_PCM037_SDRAM_BANK0_128MB +#define SDRAM0 128 +#elif defined CONFIG_PCM037_SDRAM_BANK0_256MB +#define SDRAM0 256 +#endif + +static struct memory_platform_data ram_dev_pdata0 = { + .name = "ram0", + .flags = DEVFS_RDWR, +}; + +static struct device_d sdram0_dev = { + .name = "mem", + .map_base = IMX_SDRAM_CS0, + .size = SDRAM0 * 1024 * 1024, /* fix size */ + .platform_data = &ram_dev_pdata0, +}; + +#ifndef CONFIG_PCM037_SDRAM_BANK1_NONE + +#if defined CONFIG_PCM037_SDRAM_BANK1_128MB +#define SDRAM1 128 +#elif defined CONFIG_PCM037_SDRAM_BANK1_256MB +#define SDRAM1 256 +#endif + +static struct memory_platform_data ram_dev_pdata1 = { + .name = "ram1", + .flags = DEVFS_RDWR, +}; + +static struct device_d sdram1_dev = { + .name = "mem", + .map_base = IMX_SDRAM_CS1, + .size = SDRAM1 * 1024 * 1024, /* fix size */ + .platform_data = &ram_dev_pdata1, +}; +#endif + +struct imx_nand_platform_data nand_info = { + .width = 1, + .hw_ecc = 1, + .flash_bbt = 1, +}; + +static struct device_d nand_dev = { + .name = "imx_nand", + .map_base = 0xB8000000, + .platform_data = &nand_info, +}; + +#ifdef CONFIG_USB +static struct device_d usbotg_dev = { + .name = "ehci", + .map_base = IMX_OTG_BASE, + .size = 0x200, +}; + +static struct device_d usbh2_dev = { + .name = "ehci", + .map_base = IMX_OTG_BASE + 0x400, + .size = 0x200, +}; + +static void pcm037_usb_init(void) +{ + u32 tmp; + + /* enable clock */ + tmp = readl(0x53f80000); + tmp |= (1 << 9); + writel(tmp, 0x53f80000); + + /* Host 1 */ + tmp = readl(IMX_OTG_BASE + 0x600); + tmp &= ~((3 << 21) | 1); + tmp |= (1 << 5) | (1 << 16) | (1 << 19) | (1 << 11) | (1 << 20); + writel(tmp, IMX_OTG_BASE + 0x600); + + tmp = readl(IMX_OTG_BASE + 0x184); + tmp &= ~(3 << 30); + tmp |= 2 << 30; + writel(tmp, IMX_OTG_BASE + 0x184); + + imx_iomux_mode(MX31_PIN_USBOTG_DATA0__USBOTG_DATA0); + imx_iomux_mode(MX31_PIN_USBOTG_DATA1__USBOTG_DATA1); + imx_iomux_mode(MX31_PIN_USBOTG_DATA2__USBOTG_DATA2); + imx_iomux_mode(MX31_PIN_USBOTG_DATA3__USBOTG_DATA3); + imx_iomux_mode(MX31_PIN_USBOTG_DATA4__USBOTG_DATA4); + imx_iomux_mode(MX31_PIN_USBOTG_DATA5__USBOTG_DATA5); + imx_iomux_mode(MX31_PIN_USBOTG_DATA6__USBOTG_DATA6); + imx_iomux_mode(MX31_PIN_USBOTG_DATA7__USBOTG_DATA7); + imx_iomux_mode(MX31_PIN_USBOTG_CLK__USBOTG_CLK); + imx_iomux_mode(MX31_PIN_USBOTG_DIR__USBOTG_DIR); + imx_iomux_mode(MX31_PIN_USBOTG_NXT__USBOTG_NXT); + imx_iomux_mode(MX31_PIN_USBOTG_STP__USBOTG_STP); + + mdelay(50); + isp1504_set_vbus_power((void *)(IMX_OTG_BASE + 0x170), 1); + + /* Host 2 */ + tmp = readl(IOMUXC_BASE + 0x8); + tmp |= 1 << 11; + writel(tmp, IOMUXC_BASE + 0x8); + + imx_iomux_mode(IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC)); + imx_iomux_mode(IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC)); + imx_iomux_mode(IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC)); + imx_iomux_mode(IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC)); + imx_iomux_mode(IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC)); + imx_iomux_mode(IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC)); + imx_iomux_mode(IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC)); + imx_iomux_mode(IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC)); + imx_iomux_mode(IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC)); + imx_iomux_mode(IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC)); + imx_iomux_mode(IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC)); + imx_iomux_mode(IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC)); + +#define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) + imx_iomux_set_pad(MX31_PIN_USBH2_CLK, H2_PAD_CFG); + imx_iomux_set_pad(MX31_PIN_USBH2_DIR, H2_PAD_CFG); + imx_iomux_set_pad(MX31_PIN_USBH2_NXT, H2_PAD_CFG); + imx_iomux_set_pad(MX31_PIN_USBH2_STP, H2_PAD_CFG); + imx_iomux_set_pad(MX31_PIN_USBH2_DATA0, H2_PAD_CFG); /* USBH2_DATA0 */ + imx_iomux_set_pad(MX31_PIN_USBH2_DATA1, H2_PAD_CFG); /* USBH2_DATA1 */ + imx_iomux_set_pad(MX31_PIN_SRXD6, H2_PAD_CFG); /* USBH2_DATA2 */ + imx_iomux_set_pad(MX31_PIN_STXD6, H2_PAD_CFG); /* USBH2_DATA3 */ + imx_iomux_set_pad(MX31_PIN_SFS3, H2_PAD_CFG); /* USBH2_DATA4 */ + imx_iomux_set_pad(MX31_PIN_SCK3, H2_PAD_CFG); /* USBH2_DATA5 */ + imx_iomux_set_pad(MX31_PIN_SRXD3, H2_PAD_CFG); /* USBH2_DATA6 */ + imx_iomux_set_pad(MX31_PIN_STXD3, H2_PAD_CFG); /* USBH2_DATA7 */ + + tmp = readl(IMX_OTG_BASE + 0x600); + tmp &= ~((3 << 21) | 1); + tmp |= (1 << 5) | (1 << 16) | (1 << 19) | (1 << 20); + writel(tmp, IMX_OTG_BASE + 0x600); + + tmp = readl(IMX_OTG_BASE + 0x584); + tmp &= ~(3 << 30); + tmp |= 2 << 30; + writel(tmp, IMX_OTG_BASE + 0x584); + + mdelay(50); + isp1504_set_vbus_power((void *)(IMX_OTG_BASE + 0x570), 1); + + /* Set to Host mode */ + tmp = readl(IMX_OTG_BASE + 0x1a8); + writel(tmp | 0x3, IMX_OTG_BASE + 0x1a8); + +} +#endif + +#ifdef CONFIG_MMU +static void pcm037_mmu_init(void) +{ + mmu_init(); + + arm_create_section(0x80000000, 0x80000000, 128, PMD_SECT_DEF_CACHED); + arm_create_section(0x90000000, 0x80000000, 128, PMD_SECT_DEF_UNCACHED); + + setup_dma_coherent(0x10000000); + +#if TEXT_BASE & (0x100000 - 1) +#warning cannot create vector section. Adjust TEXT_BASE to a 1M boundary +#else + arm_create_section(0x0, TEXT_BASE, 1, PMD_SECT_DEF_UNCACHED); +#endif + mmu_enable(); + +#ifdef CONFIG_CACHE_L2X0 + l2x0_init((void __iomem *)0x30000000, 0x00030024, 0x00000000); +#endif +} +#else +static void pcm037_mmu_init(void) +{ +} +#endif + +static int imx31_devices_init(void) +{ + pcm037_mmu_init(); + + __REG(CSCR_U(0)) = 0x0000cf03; /* CS0: Nor Flash */ + __REG(CSCR_L(0)) = 0x10000d03; + __REG(CSCR_A(0)) = 0x00720900; + + __REG(CSCR_U(1)) = 0x0000df06; /* CS1: Network Controller */ + __REG(CSCR_L(1)) = 0x444a4541; + __REG(CSCR_A(1)) = 0x44443302; + + __REG(CSCR_U(4)) = 0x0000d843; /* CS4: SRAM */ + __REG(CSCR_L(4)) = 0x22252521; + __REG(CSCR_A(4)) = 0x22220a00; + + __REG(CSCR_U(5)) = 0x0000DCF6; /* CS5: SJA1000 */ + __REG(CSCR_L(5)) = 0x444A0301; + __REG(CSCR_A(5)) = 0x44443302; + + register_device(&cfi_dev); + + /* + * Create partitions that should be + * not touched by any regular user + */ + devfs_add_partition("nor0", 0x00000, 0x40000, PARTITION_FIXED, "self0"); /* ourself */ + devfs_add_partition("nor0", 0x40000, 0x20000, PARTITION_FIXED, "env0"); /* environment */ + + protect_file("/dev/env0", 1); + + register_device(&sram_dev); + register_device(&nand_dev); + register_device(&network_dev); + + register_device(&sdram0_dev); +#ifndef CONFIG_PCM037_SDRAM_BANK1_NONE + register_device(&sdram1_dev); +#endif +#ifdef CONFIG_USB + pcm037_usb_init(); + register_device(&usbotg_dev); + register_device(&usbh2_dev); +#endif + + armlinux_add_dram(&sdram0_dev); +#ifndef CONFIG_PCM037_SDRAM_BANK1_NONE + armlinux_add_dram(&sdram1_dev); +#endif + armlinux_set_bootparams((void *)0x80000100); + armlinux_set_architecture(MACH_TYPE_PCM037); + + return 0; +} + +device_initcall(imx31_devices_init); + +static struct device_d imx31_serial_device = { + .name = "imx_serial", + .map_base = IMX_UART1_BASE, + .size = 16 * 1024, +}; + +static int imx31_console_init(void) +{ + /* init gpios for serial port */ + imx_iomux_mode(MX31_PIN_RXD1__RXD1); + imx_iomux_mode(MX31_PIN_TXD1__TXD1); + imx_iomux_mode(MX31_PIN_CTS1__CTS1); + imx_iomux_mode(MX31_PIN_RTS1__RTS1); + + register_device(&imx31_serial_device); + return 0; +} + +console_initcall(imx31_console_init); + +#ifdef CONFIG_NAND_IMX_BOOT +void __bare_init nand_boot(void) +{ + imx_nand_load_image((void *)TEXT_BASE, 256 * 1024); +} +#endif |