zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/arch/arm/mach-imx/mach-pcm038.c b/ap/os/linux/linux-3.4.x/arch/arm/mach-imx/mach-pcm038.c
new file mode 100644
index 0000000..2f3debe
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/arch/arm/mach-imx/mach-pcm038.c
@@ -0,0 +1,361 @@
+/*
+ * 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/i2c.h>
+#include <linux/i2c/at24.h>
+#include <linux/io.h>
+#include <linux/mtd/plat-ram.h>
+#include <linux/mtd/physmap.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/machine.h>
+#include <linux/mfd/mc13783.h>
+#include <linux/spi/spi.h>
+#include <linux/irq.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+
+#include <mach/board-pcm038.h>
+#include <mach/common.h>
+#include <mach/hardware.h>
+#include <mach/iomux-mx27.h>
+#include <mach/ulpi.h>
+
+#include "devices-imx27.h"
+
+static const int pcm038_pins[] __initconst = {
+ /* UART1 */
+ PE12_PF_UART1_TXD,
+ PE13_PF_UART1_RXD,
+ PE14_PF_UART1_CTS,
+ PE15_PF_UART1_RTS,
+ /* UART2 */
+ PE3_PF_UART2_CTS,
+ PE4_PF_UART2_RTS,
+ PE6_PF_UART2_TXD,
+ PE7_PF_UART2_RXD,
+ /* UART3 */
+ PE8_PF_UART3_TXD,
+ PE9_PF_UART3_RXD,
+ PE10_PF_UART3_CTS,
+ PE11_PF_UART3_RTS,
+ /* FEC */
+ 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_RX_CLK,
+ PD15_AOUT_FEC_COL,
+ PD16_AIN_FEC_TX_ER,
+ PF23_AIN_FEC_TX_EN,
+ /* I2C2 */
+ PC5_PF_I2C2_SDA,
+ PC6_PF_I2C2_SCL,
+ /* SPI1 */
+ PD25_PF_CSPI1_RDY,
+ PD29_PF_CSPI1_SCLK,
+ PD30_PF_CSPI1_MISO,
+ PD31_PF_CSPI1_MOSI,
+ /* SSI1 */
+ PC20_PF_SSI1_FS,
+ PC21_PF_SSI1_RXD,
+ PC22_PF_SSI1_TXD,
+ PC23_PF_SSI1_CLK,
+ /* SSI4 */
+ PC16_PF_SSI4_FS,
+ PC17_PF_SSI4_RXD,
+ PC18_PF_SSI4_TXD,
+ PC19_PF_SSI4_CLK,
+ /* USB host */
+ PA0_PF_USBH2_CLK,
+ PA1_PF_USBH2_DIR,
+ PA2_PF_USBH2_DATA7,
+ PA3_PF_USBH2_NXT,
+ PA4_PF_USBH2_STP,
+ PD19_AF_USBH2_DATA4,
+ PD20_AF_USBH2_DATA3,
+ PD21_AF_USBH2_DATA6,
+ PD22_AF_USBH2_DATA0,
+ PD23_AF_USBH2_DATA2,
+ PD24_AF_USBH2_DATA1,
+ PD26_AF_USBH2_DATA5,
+};
+
+/*
+ * Phytec's PCM038 comes with 2MiB battery buffered SRAM,
+ * 16 bit width
+ */
+
+static struct platdata_mtd_ram pcm038_sram_data = {
+ .bankwidth = 2,
+};
+
+static struct resource pcm038_sram_resource = {
+ .start = MX27_CS1_BASE_ADDR,
+ .end = MX27_CS1_BASE_ADDR + 512 * 1024 - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device pcm038_sram_mtd_device = {
+ .name = "mtd-ram",
+ .id = 0,
+ .dev = {
+ .platform_data = &pcm038_sram_data,
+ },
+ .num_resources = 1,
+ .resource = &pcm038_sram_resource,
+};
+
+/*
+ * 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 const struct imxuart_platform_data uart_pdata __initconst = {
+ .flags = IMXUART_HAVE_RTSCTS,
+};
+
+static const struct mxc_nand_platform_data
+pcm038_nand_board_info __initconst = {
+ .width = 1,
+ .hw_ecc = 1,
+};
+
+static struct platform_device *platform_devices[] __initdata = {
+ &pcm038_nor_mtd_device,
+ &pcm038_sram_mtd_device,
+};
+
+/* On pcm038 there's a sram attached to CS1, we enable the chipselect here and
+ * setup other stuffs to access the sram. */
+static void __init pcm038_init_sram(void)
+{
+ __raw_writel(0x0000d843, MX27_IO_ADDRESS(MX27_WEIM_CSCRxU(1)));
+ __raw_writel(0x22252521, MX27_IO_ADDRESS(MX27_WEIM_CSCRxL(1)));
+ __raw_writel(0x22220a00, MX27_IO_ADDRESS(MX27_WEIM_CSCRxA(1)));
+}
+
+static const struct imxi2c_platform_data pcm038_i2c1_data __initconst = {
+ .bitrate = 100000,
+};
+
+static struct at24_platform_data board_eeprom = {
+ .byte_len = 4096,
+ .page_size = 32,
+ .flags = AT24_FLAG_ADDR16,
+};
+
+static struct i2c_board_info pcm038_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
+ .platform_data = &board_eeprom,
+ }, {
+ I2C_BOARD_INFO("pcf8563", 0x51),
+ }, {
+ I2C_BOARD_INFO("lm75", 0x4a),
+ }
+};
+
+static int pcm038_spi_cs[] = {GPIO_PORTD + 28};
+
+static const struct spi_imx_master pcm038_spi0_data __initconst = {
+ .chipselect = pcm038_spi_cs,
+ .num_chipselect = ARRAY_SIZE(pcm038_spi_cs),
+};
+
+static struct regulator_consumer_supply sdhc1_consumers[] = {
+ {
+ .dev_name = "mxc-mmc.1",
+ .supply = "sdhc_vcc",
+ },
+};
+
+static struct regulator_init_data sdhc1_data = {
+ .constraints = {
+ .min_uV = 3000000,
+ .max_uV = 3400000,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL |
+ REGULATOR_MODE_FAST,
+ .always_on = 0,
+ .boot_on = 0,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(sdhc1_consumers),
+ .consumer_supplies = sdhc1_consumers,
+};
+
+static struct regulator_consumer_supply cam_consumers[] = {
+ {
+ .dev_name = NULL,
+ .supply = "imx_cam_vcc",
+ },
+};
+
+static struct regulator_init_data cam_data = {
+ .constraints = {
+ .min_uV = 3000000,
+ .max_uV = 3400000,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL |
+ REGULATOR_MODE_FAST,
+ .always_on = 0,
+ .boot_on = 0,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(cam_consumers),
+ .consumer_supplies = cam_consumers,
+};
+
+static struct mc13xxx_regulator_init_data pcm038_regulators[] = {
+ {
+ .id = MC13783_REG_VCAM,
+ .init_data = &cam_data,
+ }, {
+ .id = MC13783_REG_VMMC1,
+ .init_data = &sdhc1_data,
+ },
+};
+
+static struct mc13xxx_platform_data pcm038_pmic = {
+ .regulators = {
+ .regulators = pcm038_regulators,
+ .num_regulators = ARRAY_SIZE(pcm038_regulators),
+ },
+ .flags = MC13XXX_USE_ADC | MC13XXX_USE_TOUCHSCREEN,
+};
+
+static struct spi_board_info pcm038_spi_board_info[] __initdata = {
+ {
+ .modalias = "mc13783",
+ .irq = IRQ_GPIOB(23),
+ .max_speed_hz = 300000,
+ .bus_num = 0,
+ .chip_select = 0,
+ .platform_data = &pcm038_pmic,
+ .mode = SPI_CS_HIGH,
+ }
+};
+
+static int pcm038_usbh2_init(struct platform_device *pdev)
+{
+ return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
+ MXC_EHCI_INTERFACE_DIFF_UNI);
+}
+
+static const struct mxc_usbh_platform_data usbh2_pdata __initconst = {
+ .init = pcm038_usbh2_init,
+ .portsc = MXC_EHCI_MODE_ULPI,
+};
+
+static void __init pcm038_init(void)
+{
+ imx27_soc_init();
+
+ mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins),
+ "PCM038");
+
+ pcm038_init_sram();
+
+ imx27_add_imx_uart0(&uart_pdata);
+ imx27_add_imx_uart1(&uart_pdata);
+ imx27_add_imx_uart2(&uart_pdata);
+
+ mxc_gpio_mode(PE16_AF_OWIRE);
+ imx27_add_mxc_nand(&pcm038_nand_board_info);
+
+ /* only the i2c master 1 is used on this CPU card */
+ i2c_register_board_info(1, pcm038_i2c_devices,
+ ARRAY_SIZE(pcm038_i2c_devices));
+
+ imx27_add_imx_i2c(1, &pcm038_i2c1_data);
+
+ /* PE18 for user-LED D40 */
+ mxc_gpio_mode(GPIO_PORTE | 18 | GPIO_GPIO | GPIO_OUT);
+
+ mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT);
+
+ /* MC13783 IRQ */
+ mxc_gpio_mode(GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN);
+
+ imx27_add_spi_imx0(&pcm038_spi0_data);
+ spi_register_board_info(pcm038_spi_board_info,
+ ARRAY_SIZE(pcm038_spi_board_info));
+
+ imx27_add_mxc_ehci_hs(2, &usbh2_pdata);
+
+ imx27_add_fec(NULL);
+ platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+ imx27_add_imx2_wdt(NULL);
+ imx27_add_mxc_w1(NULL);
+
+#ifdef CONFIG_MACH_PCM970_BASEBOARD
+ pcm970_baseboard_init();
+#endif
+}
+
+static void __init pcm038_timer_init(void)
+{
+ mx27_clocks_init(26000000);
+}
+
+static struct sys_timer pcm038_timer = {
+ .init = pcm038_timer_init,
+};
+
+MACHINE_START(PCM038, "phyCORE-i.MX27")
+ .atag_offset = 0x100,
+ .map_io = mx27_map_io,
+ .init_early = imx27_init_early,
+ .init_irq = mx27_init_irq,
+ .handle_irq = imx27_handle_irq,
+ .timer = &pcm038_timer,
+ .init_machine = pcm038_init,
+ .restart = mxc_restart,
+MACHINE_END