[ARM] pxa: add initial support for Cogent CSB726 board (aac42970) · Commits · e / devices / android_kernel_oneplus_sm8150

arch/arm/mach-pxa/Kconfig

+8 −0

Original line number	Original line	Diff line number	Diff line
	@@ -393,6 +393,14 @@ config PCM990_DISPLAY_NONE

	endchoice		endchoice

			config MACH_CSB726
			bool "Enable Cogent CSB726 System On a Module"
			select PXA27x
			select IWMMXT
			help
			Say Y here if you intend to run this kernel on a Cogent
			CSB726 System On Module.

	config PXA_EZX		config PXA_EZX
	bool "Motorola EZX Platform"		bool "Motorola EZX Platform"
	select PXA27x		select PXA27x

arch/arm/mach-pxa/Makefile

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -75,6 +75,7 @@ obj-$(CONFIG_MACH_CM_X300) += cm-x300.o
	obj-$(CONFIG_PXA_EZX) += ezx.o		obj-$(CONFIG_PXA_EZX) += ezx.o

	obj-$(CONFIG_MACH_INTELMOTE2) += imote2.o		obj-$(CONFIG_MACH_INTELMOTE2) += imote2.o
			obj-$(CONFIG_MACH_CSB726) += csb726.o

	# Support for blinky lights		# Support for blinky lights
	led-y := leds.o		led-y := leds.o

arch/arm/mach-pxa/csb726.c

0 → 100644

+318 −0

Original line number	Original line	Diff line number	Diff line
			/*
			* Support for Cogent CSB726
			*
			* Copyright (c) 2008 Dmitry Eremin-Solenikov
			*
			* This program is free software; you can redistribute it and/or modify
			* it under the terms of the GNU General Public License version 2 as
			* published by the Free Software Foundation.
			*
			*/
			#include <linux/kernel.h>
			#include <linux/init.h>
			#include <linux/io.h>
			#include <linux/gpio.h>
			#include <linux/platform_device.h>
			#include <linux/mtd/physmap.h>
			#include <linux/mtd/partitions.h>
			#include <linux/sm501.h>

			#include <asm/mach-types.h>
			#include <asm/mach/arch.h>
			#include <mach/csb726.h>
			#include <mach/mfp-pxa27x.h>
			#include <mach/i2c.h>
			#include <mach/mmc.h>
			#include <mach/ohci.h>
			#include <mach/pxa2xx-regs.h>

			#include "generic.h"
			#include "devices.h"

			/*
			* n/a: 2, 5, 6, 7, 8, 23, 24, 25, 26, 27, 87, 88, 89,
			* nu: 58 -- 77, 90, 91, 93, 102, 105-108, 114-116,
			* XXX: 21,
			* XXX: 79 CS_3 for LAN9215 or PSKTSEL on R2, R3
			* XXX: 33 CS_5 for LAN9215 on R1
			*/

			static unsigned long csb726_pin_config[] = {
			GPIO78_nCS_2, /* EXP_CS */
			GPIO79_nCS_3, /* SMSC9215 */
			GPIO80_nCS_4, /* SM501 */

			GPIO52_GPIO, /* #SMSC9251 int */
			GPIO53_GPIO, /* SM501 int */

			GPIO1_GPIO, /* GPIO0 */
			GPIO11_GPIO, /* GPIO1 */
			GPIO9_GPIO, /* GPIO2 */
			GPIO10_GPIO, /* GPIO3 */
			GPIO16_PWM0_OUT, /* or GPIO4 */
			GPIO17_PWM1_OUT, /* or GPIO5 */
			GPIO94_GPIO, /* GPIO6 */
			GPIO95_GPIO, /* GPIO7 */
			GPIO96_GPIO, /* GPIO8 */
			GPIO97_GPIO, /* GPIO9 */
			GPIO15_GPIO, /* EXP_IRQ */
			GPIO18_RDY, /* EXP_WAIT */

			GPIO0_GPIO, /* PWR_INT */
			GPIO104_GPIO, /* PWR_OFF */

			GPIO12_GPIO, /* touch irq */

			GPIO13_SSP2_TXD,
			GPIO14_SSP2_SFRM,
			MFP_CFG_OUT(GPIO19, AF1, DRIVE_LOW),/* SSP2_SYSCLK */
			GPIO22_SSP2_SCLK,

			GPIO81_SSP3_TXD,
			GPIO82_SSP3_RXD,
			GPIO83_SSP3_SFRM,
			GPIO84_SSP3_SCLK,

			GPIO20_GPIO, /* SDIO int */
			GPIO32_MMC_CLK,
			GPIO92_MMC_DAT_0,
			GPIO109_MMC_DAT_1,
			GPIO110_MMC_DAT_2,
			GPIO111_MMC_DAT_3,
			GPIO112_MMC_CMD,
			GPIO100_GPIO, /* SD CD */
			GPIO101_GPIO, /* SD WP */

			GPIO28_AC97_BITCLK,
			GPIO29_AC97_SDATA_IN_0,
			GPIO30_AC97_SDATA_OUT,
			GPIO31_AC97_SYNC,
			GPIO113_AC97_nRESET,

			GPIO34_FFUART_RXD,
			GPIO35_FFUART_CTS,
			GPIO36_FFUART_DCD,
			GPIO37_FFUART_DSR,
			GPIO38_FFUART_RI,
			GPIO39_FFUART_TXD,
			GPIO40_FFUART_DTR,
			GPIO41_FFUART_RTS,

			GPIO42_BTUART_RXD,
			GPIO43_BTUART_TXD,
			GPIO44_BTUART_CTS,
			GPIO45_BTUART_RTS,

			GPIO46_STUART_RXD,
			GPIO47_STUART_TXD,

			GPIO48_nPOE,
			GPIO49_nPWE,
			GPIO50_nPIOR,
			GPIO51_nPIOW,
			GPIO54_nPCE_2,
			GPIO55_nPREG,
			GPIO56_nPWAIT,
			GPIO57_nIOIS16, /* maybe unused */
			GPIO85_nPCE_1,
			GPIO98_GPIO, /* CF IRQ */
			GPIO99_GPIO, /* CF CD */
			GPIO103_GPIO, /* Reset */

			GPIO117_I2C_SCL,
			GPIO118_I2C_SDA,
			};

			static struct pxamci_platform_data csb726_mci_data;

			static int csb726_mci_init(struct device *dev,
			irq_handler_t detect, void *data)
			{
			int err;

			csb726_mci_data.detect_delay = msecs_to_jiffies(500);

			err = gpio_request(CSB726_GPIO_MMC_DETECT, "MMC detect");
			if (err)
			goto err_det_req;

			err = gpio_direction_input(CSB726_GPIO_MMC_DETECT);
			if (err)
			goto err_det_dir;

			err = gpio_request(CSB726_GPIO_MMC_RO, "MMC ro");
			if (err)
			goto err_ro_req;

			err = gpio_direction_input(CSB726_GPIO_MMC_RO);
			if (err)
			goto err_ro_dir;

			err = request_irq(gpio_to_irq(CSB726_GPIO_MMC_DETECT), detect,
			IRQF_DISABLED, "MMC card detect", data);
			if (err)
			goto err_irq;

			return 0;

			err_irq:
			err_ro_dir:
			gpio_free(CSB726_GPIO_MMC_RO);
			err_ro_req:
			err_det_dir:
			gpio_free(CSB726_GPIO_MMC_DETECT);
			err_det_req:
			return err;
			}

			static int csb726_mci_get_ro(struct device *dev)
			{
			return gpio_get_value(CSB726_GPIO_MMC_RO);
			}

			static void csb726_mci_exit(struct device dev, void data)
			{
			free_irq(gpio_to_irq(CSB726_GPIO_MMC_DETECT), data);
			gpio_free(CSB726_GPIO_MMC_RO);
			gpio_free(CSB726_GPIO_MMC_DETECT);
			}

			static struct pxamci_platform_data csb726_mci = {
			.ocr_mask = MMC_VDD_32_33\|MMC_VDD_33_34,
			.init = csb726_mci_init,
			.get_ro = csb726_mci_get_ro,
			/* FIXME setpower */
			.exit = csb726_mci_exit,
			};

			static struct pxaohci_platform_data csb726_ohci_platform_data = {
			.port_mode = PMM_NPS_MODE,
			.flags = ENABLE_PORT1 \| NO_OC_PROTECTION,
			};

			static struct mtd_partition csb726_flash_partitions[] = {
			{
			.name = "Bootloader",
			.offset = 0,
			.size = CSB726_FLASH_uMON,
			.mask_flags = MTD_WRITEABLE /* force read-only */
			},
			{
			.name = "root",
			.offset = MTDPART_OFS_APPEND,
			.size = MTDPART_SIZ_FULL,
			}
			};

			static struct physmap_flash_data csb726_flash_data = {
			.width = 2,
			.parts = csb726_flash_partitions,
			.nr_parts = ARRAY_SIZE(csb726_flash_partitions),
			};

			static struct resource csb726_flash_resources[] = {
			{
			.start = PXA_CS0_PHYS,
			.end = PXA_CS0_PHYS + CSB726_FLASH_SIZE - 1 ,
			.flags = IORESOURCE_MEM,
			}
			};

			static struct platform_device csb726_flash = {
			.name = "physmap-flash",
			.dev = {
			.platform_data = &csb726_flash_data,
			},
			.resource = csb726_flash_resources,
			.num_resources = ARRAY_SIZE(csb726_flash_resources),
			};

			static struct resource csb726_sm501_resources[] = {
			{
			.start = PXA_CS4_PHYS,
			.end = PXA_CS4_PHYS + SZ_8M - 1,
			.flags = IORESOURCE_MEM,
			.name = "sm501-localmem",
			},
			{
			.start = PXA_CS4_PHYS + SZ_64M - SZ_2M,
			.end = PXA_CS4_PHYS + SZ_64M - 1,
			.flags = IORESOURCE_MEM,
			.name = "sm501-regs",
			},
			{
			.start = CSB726_IRQ_SM501,
			.end = CSB726_IRQ_SM501,
			.flags = IORESOURCE_IRQ,
			},
			};

			static struct sm501_initdata csb726_sm501_initdata = {
			/* .devices = SM501_USE_USB_HOST, */
			.devices = SM501_USE_USB_HOST \| SM501_USE_UART0 \| SM501_USE_UART1,
			};

			static struct sm501_platdata csb726_sm501_platdata = {
			.init = &csb726_sm501_initdata,
			};

			static struct platform_device csb726_sm501 = {
			.name = "sm501",
			.id = 0,
			.num_resources = ARRAY_SIZE(csb726_sm501_resources),
			.resource = csb726_sm501_resources,
			.dev = {
			.platform_data = &csb726_sm501_platdata,
			},
			};

			static struct resource csb726_lan_resources[] = {
			{
			.start = PXA_CS3_PHYS,
			.end = PXA_CS3_PHYS + SZ_64K - 1,
			.flags = IORESOURCE_MEM,
			},
			{
			.start = CSB726_IRQ_LAN,
			.end = CSB726_IRQ_LAN,
			.flags = IORESOURCE_IRQ,
			},
			};

			static struct platform_device csb726_lan = {
			.name = "smc911x",
			.id = -1,
			.num_resources = ARRAY_SIZE(csb726_lan_resources),
			.resource = csb726_lan_resources,
			};

			static struct platform_device *devices[] __initdata = {
			&csb726_flash,
			&csb726_sm501,
			&csb726_lan,
			};

			static void __init csb726_init(void)
			{
			pxa2xx_mfp_config(ARRAY_AND_SIZE(csb726_pin_config));
			/* MSC1 = 0x7ffc3ffc; // LAN9215/EXP_CS */
			/* MSC2 = 0x06697ff4; // none/SM501 */
			MSC2 = (MSC2 & ~0xffff) \| 0x7ff4; /* SM501 */

			pxa_set_i2c_info(NULL);
			pxa27x_set_i2c_power_info(NULL);
			pxa_set_mci_info(&csb726_mci);
			pxa_set_ohci_info(&csb726_ohci_platform_data);

			platform_add_devices(devices, ARRAY_SIZE(devices));
			}

			MACHINE_START(CSB726, "Cogent CSB726")
			.phys_io = 0x40000000,
			.boot_params = 0xa0000100,
			.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
			.map_io = pxa_map_io,
			.init_irq = pxa27x_init_irq,
			.init_machine = csb726_init,
			.timer = &pxa_timer,
			MACHINE_END

arch/arm/mach-pxa/include/mach/csb726.h

0 → 100644

+26 −0

Original line number	Original line	Diff line number	Diff line
			/*
			* Support for Cogent CSB726
			*
			* Copyright (c) 2008 Dmitry Baryshkov
			*
			* This program is free software; you can redistribute it and/or modify
			* it under the terms of the GNU General Public License version 2 as
			* published by the Free Software Foundation.
			*
			*/
			#ifndef CSB726_H
			#define CSB726_H

			#define CSB726_GPIO_IRQ_LAN 52
			#define CSB726_GPIO_IRQ_SM501 53
			#define CSB726_GPIO_MMC_DETECT 100
			#define CSB726_GPIO_MMC_RO 101

			#define CSB726_FLASH_SIZE (64 * 1024 * 1024)
			#define CSB726_FLASH_uMON (8 * 1024 * 1024)

			#define CSB726_IRQ_LAN gpio_to_irq(CSB726_GPIO_IRQ_LAN)
			#define CSB726_IRQ_SM501 gpio_to_irq(CSB726_GPIO_IRQ_SM501)

			#endif

arch/arm/mach-pxa/include/mach/uncompress.h

+2 −1

Original line number	Original line	Diff line number	Diff line
	@@ -35,7 +35,8 @@ static inline void flush(void)

	static inline void arch_decomp_setup(void)		static inline void arch_decomp_setup(void)
	{		{
	if (machine_is_littleton() \|\| machine_is_intelmote2())		if (machine_is_littleton() \|\| machine_is_intelmote2()
			\|\| machine_is_csb726())
	UART = STUART;		UART = STUART;
	}		}