summaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-samsung
diff options
context:
space:
mode:
authorBen Dooks <ben-linux@fluff.org>2010-05-20 20:25:59 +0900
committerBen Dooks <ben-linux@fluff.org>2010-05-20 20:25:59 +0900
commit206a1a825dc67060ee319c99569755ba11250907 (patch)
treee4cdbd7b8b745e0ad4adfd59fa57c3bcabe3daf4 /arch/arm/plat-samsung
parent6aeaad51aaecc9ebc8c1e8f132655e2ae8141f8c (diff)
parent999304be1177d42d16bc59c546228c6ac5a3e76a (diff)
ARM: Merge for-2635-4/onenand
Merge branch 'for-2635-4/onenand' into for-2635-4/partial2 Conflicts: arch/arm/mach-s5pc100/cpu.c arch/arm/mach-s5pc100/include/mach/map.h arch/arm/mach-s5pv210/Makefile
Diffstat (limited to 'arch/arm/plat-samsung')
-rw-r--r--arch/arm/plat-samsung/Kconfig5
-rw-r--r--arch/arm/plat-samsung/Makefile1
-rw-r--r--arch/arm/plat-samsung/dev-onenand.c55
-rw-r--r--arch/arm/plat-samsung/include/plat/devs.h3
-rw-r--r--arch/arm/plat-samsung/include/plat/onenand-core.h37
-rw-r--r--arch/arm/plat-samsung/include/plat/regs-onenand.h63
6 files changed, 164 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 47c8aa75e74..d663078253d 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -201,6 +201,11 @@ config S3C_DEV_NAND
help
Compile in platform device definition for NAND controller
+config S3C_DEV_ONENAND
+ bool
+ help
+ Compile in platform device definition for OneNAND controller
+
config S3C_DEV_RTC
bool
help
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index d73ee553b46..d98316b30c2 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -43,6 +43,7 @@ obj-$(CONFIG_S3C_DEV_USB_HOST) += dev-usb.o
obj-$(CONFIG_S3C_DEV_USB_HSOTG) += dev-usb-hsotg.o
obj-$(CONFIG_S3C_DEV_WDT) += dev-wdt.o
obj-$(CONFIG_S3C_DEV_NAND) += dev-nand.o
+obj-$(CONFIG_S3C_DEV_ONENAND) += dev-onenand.o
obj-$(CONFIG_S3C_DEV_RTC) += dev-rtc.o
obj-$(CONFIG_SAMSUNG_DEV_ADC) += dev-adc.o
diff --git a/arch/arm/plat-samsung/dev-onenand.c b/arch/arm/plat-samsung/dev-onenand.c
new file mode 100644
index 00000000000..45ec73287d8
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-onenand.c
@@ -0,0 +1,55 @@
+/*
+ * linux/arch/arm/plat-samsung/dev-onenand.c
+ *
+ * Copyright (c) 2008-2010 Samsung Electronics
+ * Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * S3C64XX/S5PC100 series device definition for OneNAND devices
+ *
+ * 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/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/onenand.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+static struct resource s3c_onenand_resources[] = {
+ [0] = {
+ .start = S3C_PA_ONENAND,
+ .end = S3C_PA_ONENAND + 0x400 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = S3C_PA_ONENAND_BUF,
+ .end = S3C_PA_ONENAND_BUF + S3C_SZ_ONENAND_BUF - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = IRQ_ONENAND,
+ .end = IRQ_ONENAND,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device s3c_device_onenand = {
+ .name = "samsung-onenand",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(s3c_onenand_resources),
+ .resource = s3c_onenand_resources,
+};
+
+void s3c_onenand_set_platdata(struct onenand_platform_data *pdata)
+{
+ struct onenand_platform_data *pd;
+
+ pd = kmemdup(pdata, sizeof(struct onenand_platform_data), GFP_KERNEL);
+ if (!pd)
+ printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+ s3c_device_onenand.dev.platform_data = pd;
+}
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index 8d516d49805..e6144e4b911 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -69,6 +69,9 @@ extern struct platform_device s5p6440_device_spi1;
extern struct platform_device s3c_device_hwmon;
extern struct platform_device s3c_device_nand;
+extern struct platform_device s3c_device_onenand;
+extern struct platform_device s3c64xx_device_onenand1;
+extern struct platform_device s5pc110_device_onenand;
extern struct platform_device s3c_device_usbgadget;
extern struct platform_device s3c_device_usb_hsotg;
diff --git a/arch/arm/plat-samsung/include/plat/onenand-core.h b/arch/arm/plat-samsung/include/plat/onenand-core.h
new file mode 100644
index 00000000000..7701cb7020c
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/onenand-core.h
@@ -0,0 +1,37 @@
+/*
+ * linux/arch/arm/plat-samsung/onenand-core.h
+ *
+ * Copyright (c) 2010 Samsung Electronics
+ * Kyungmin Park <kyungmin.park@samsung.com>
+ * Marek Szyprowski <m.szyprowski@samsung.com>
+ *
+ * Samsung OneNAD Controller core functions
+ *
+ * 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 __ASM_ARCH_ONENAND_CORE_H
+#define __ASM_ARCH_ONENAND_CORE_H __FILE__
+
+/* These functions are only for use with the core support code, such as
+ * the cpu specific initialisation code
+ */
+
+/* re-define device name depending on support. */
+static inline void s3c_onenand_setname(char *name)
+{
+#ifdef CONFIG_S3C_DEV_ONENAND
+ s3c_device_onenand.name = name;
+#endif
+}
+
+static inline void s3c64xx_onenand1_setname(char *name)
+{
+#ifdef CONFIG_S3C64XX_DEV_ONENAND1
+ s3c64xx_device_onenand1.name = name;
+#endif
+}
+
+#endif /* __ASM_ARCH_ONENAND_CORE_H */
diff --git a/arch/arm/plat-samsung/include/plat/regs-onenand.h b/arch/arm/plat-samsung/include/plat/regs-onenand.h
new file mode 100644
index 00000000000..930ea8b88ed
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/regs-onenand.h
@@ -0,0 +1,63 @@
+/*
+ * linux/arch/arm/plat-s3c/include/plat/regs-onenand.h
+ *
+ * Copyright (C) 2008-2010 Samsung Electronics
+ * Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * 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 __SAMSUNG_ONENAND_H__
+#define __SAMSUNG_ONENAND_H__
+
+#include <mach/hardware.h>
+
+/*
+ * OneNAND Controller
+ */
+#define MEM_CFG_OFFSET 0x0000
+#define BURST_LEN_OFFSET 0x0010
+#define MEM_RESET_OFFSET 0x0020
+#define INT_ERR_STAT_OFFSET 0x0030
+#define INT_ERR_MASK_OFFSET 0x0040
+#define INT_ERR_ACK_OFFSET 0x0050
+#define ECC_ERR_STAT_OFFSET 0x0060
+#define MANUFACT_ID_OFFSET 0x0070
+#define DEVICE_ID_OFFSET 0x0080
+#define DATA_BUF_SIZE_OFFSET 0x0090
+#define BOOT_BUF_SIZE_OFFSET 0x00A0
+#define BUF_AMOUNT_OFFSET 0x00B0
+#define TECH_OFFSET 0x00C0
+#define FBA_WIDTH_OFFSET 0x00D0
+#define FPA_WIDTH_OFFSET 0x00E0
+#define FSA_WIDTH_OFFSET 0x00F0
+#define TRANS_SPARE_OFFSET 0x0140
+#define DBS_DFS_WIDTH_OFFSET 0x0160
+#define INT_PIN_ENABLE_OFFSET 0x01A0
+#define ACC_CLOCK_OFFSET 0x01C0
+#define FLASH_VER_ID_OFFSET 0x01F0
+#define FLASH_AUX_CNTRL_OFFSET 0x0300 /* s3c64xx only */
+
+#define ONENAND_MEM_RESET_HOT 0x3
+#define ONENAND_MEM_RESET_COLD 0x2
+#define ONENAND_MEM_RESET_WARM 0x1
+
+#define CACHE_OP_ERR (1 << 13)
+#define RST_CMP (1 << 12)
+#define RDY_ACT (1 << 11)
+#define INT_ACT (1 << 10)
+#define UNSUP_CMD (1 << 9)
+#define LOCKED_BLK (1 << 8)
+#define BLK_RW_CMP (1 << 7)
+#define ERS_CMP (1 << 6)
+#define PGM_CMP (1 << 5)
+#define LOAD_CMP (1 << 4)
+#define ERS_FAIL (1 << 3)
+#define PGM_FAIL (1 << 2)
+#define INT_TO (1 << 1)
+#define LD_FAIL_ECC_ERR (1 << 0)
+
+#define TSRF (1 << 0)
+
+#endif