diff options
author | Gabor Juhos <juhosg@openwrt.org> | 2012-09-13 07:26:25 +0000 |
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committer | Gabor Juhos <juhosg@openwrt.org> | 2012-09-13 07:26:25 +0000 |
commit | 4fd67c3cd4bbc5e10736bbe1213d68c1490ba8f3 (patch) | |
tree | 71520d1e28e83bf40e0ac47254bb4f6266a4cacd /target/linux | |
parent | 10cd35c0e73efee56fbcefa3a2d4ac6a2e8a9bc8 (diff) | |
download | upstream-4fd67c3cd4bbc5e10736bbe1213d68c1490ba8f3.tar.gz upstream-4fd67c3cd4bbc5e10736bbe1213d68c1490ba8f3.tar.bz2 upstream-4fd67c3cd4bbc5e10736bbe1213d68c1490ba8f3.zip |
ar71xx: add device registration code for the AR934x NAND flash controller
SVN-Revision: 33387
Diffstat (limited to 'target/linux')
7 files changed, 141 insertions, 7 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/dev-nfc.c b/target/linux/ar71xx/files/arch/mips/ath79/dev-nfc.c new file mode 100644 index 0000000000..f330395fe2 --- /dev/null +++ b/target/linux/ar71xx/files/arch/mips/ath79/dev-nfc.c @@ -0,0 +1,95 @@ +/* + * Atheros AR934X SoCs built-in NAND flash controller support + * + * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org> + * + * 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/delay.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/dma-mapping.h> +#include <linux/etherdevice.h> +#include <linux/platform_device.h> +#include <linux/platform/ar934x_nfc.h> + +#include <asm/mach-ath79/ath79.h> +#include <asm/mach-ath79/ar71xx_regs.h> + +#include "dev-nfc.h" + +static struct resource ath79_nfc_resources[2]; +static u64 ar934x_nfc_dmamask = DMA_BIT_MASK(32); +static struct ar934x_nfc_platform_data ath79_nfc_data; + +static struct platform_device ath79_nfc_device = { + .name = AR934X_NFC_DRIVER_NAME, + .id = -1, + .resource = ath79_nfc_resources, + .num_resources = ARRAY_SIZE(ath79_nfc_resources), + .dev = { + .dma_mask = &ar934x_nfc_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &ath79_nfc_data, + }, +}; + +static void ar934x_nfc_hw_reset(bool active) +{ + if (active) { + ath79_device_reset_set(AR934X_RESET_NANDF); + udelay(100); + + ath79_device_reset_set(AR934X_RESET_ETH_SWITCH_ANALOG); + udelay(250); + } else { + ath79_device_reset_clear(AR934X_RESET_ETH_SWITCH_ANALOG); + udelay(250); + + ath79_device_reset_clear(AR934X_RESET_NANDF); + udelay(100); + } +} + +static void ar934x_nfc_setup(void) +{ + ath79_nfc_resources[0].start = AR934X_NFC_BASE; + ath79_nfc_resources[0].end = AR934X_NFC_BASE + AR934X_NFC_SIZE - 1; + ath79_nfc_resources[0].flags = IORESOURCE_MEM; + + ath79_nfc_resources[1].start = ATH79_MISC_IRQ(21); + ath79_nfc_resources[1].end = ATH79_MISC_IRQ(21); + ath79_nfc_resources[1].flags = IORESOURCE_IRQ; + + ath79_nfc_data.hw_reset = ar934x_nfc_hw_reset; + + platform_device_register(&ath79_nfc_device); +} + +void __init ath79_nfc_set_select_chip(void (*f)(int chip_no)) +{ + ath79_nfc_data.select_chip = f; +} + +void __init ath79_nfc_set_scan_fixup(int (*f)(struct mtd_info *mtd)) +{ + ath79_nfc_data.scan_fixup = f; +} + +void __init ath79_nfc_set_parts(struct mtd_partition *parts, int nr_parts) +{ + ath79_nfc_data.parts = parts; + ath79_nfc_data.nr_parts = nr_parts; +} + +void __init ath79_register_nfc(void) +{ + if (soc_is_ar934x()) + ar934x_nfc_setup(); + else + BUG(); +} diff --git a/target/linux/ar71xx/files/arch/mips/ath79/dev-nfc.h b/target/linux/ar71xx/files/arch/mips/ath79/dev-nfc.h new file mode 100644 index 0000000000..1fc4b807b1 --- /dev/null +++ b/target/linux/ar71xx/files/arch/mips/ath79/dev-nfc.h @@ -0,0 +1,27 @@ +/* + * Atheros AR934X SoCs built-in NAND Flash Controller support + * + * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org> + * + * 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 _ATH79_DEV_NFC_H +#define _ATH79_DEV_NFC_H + +#ifdef CONFIG_ATH79_DEV_NFC +void ath79_nfc_set_parts(struct mtd_partition *parts, int nr_parts); +void ath79_nfc_set_select_chip(void (*f)(int chip_no)); +void ath79_nfc_set_scan_fixup(int (*f)(struct mtd_info *mtd)); +void ath79_register_nfc(void); +#else +static inline void ath79_nfc_set_parts(struct mtd_partition *parts, + int nr_parts) {} +static inline void ath79_nfc_set_select_chip(void (*f)(int chip_no)) {} +static inline void ath79_nfc_set_scan_fixup(int (*f)(struct mtd_info *mtd)) {} +static inline void ath79_register_nfc(void) {} +#endif + +#endif /* _ATH79_DEV_NFC_H */ diff --git a/target/linux/ar71xx/patches-3.3/602-MIPS-ath79-add-openwrt-stuff.patch b/target/linux/ar71xx/patches-3.3/602-MIPS-ath79-add-openwrt-stuff.patch index 3c96819df4..e61496fcd4 100644 --- a/target/linux/ar71xx/patches-3.3/602-MIPS-ath79-add-openwrt-stuff.patch +++ b/target/linux/ar71xx/patches-3.3/602-MIPS-ath79-add-openwrt-stuff.patch @@ -21,7 +21,18 @@ config PCI_AR724X def_bool n -@@ -125,4 +139,13 @@ config ATH79_DEV_WMAC +@@ -115,6 +129,10 @@ config ATH79_DEV_GPIO_BUTTONS + config ATH79_DEV_LEDS_GPIO + def_bool n + ++config ATH79_DEV_NFC ++ depends on (SOC_AR934X) ++ def_bool n ++ + config ATH79_DEV_SPI + def_bool n + +@@ -125,4 +143,13 @@ config ATH79_DEV_WMAC depends on (SOC_AR913X || SOC_AR933X || SOC_AR934X || SOC_QCA955X) def_bool n @@ -37,7 +48,7 @@ endif --- a/arch/mips/ath79/Makefile +++ b/arch/mips/ath79/Makefile -@@ -17,13 +17,24 @@ obj-$(CONFIG_PCI) += pci.o +@@ -17,13 +17,25 @@ obj-$(CONFIG_PCI) += pci.o # Devices # obj-y += dev-common.o @@ -47,6 +58,7 @@ obj-$(CONFIG_ATH79_DEV_GPIO_BUTTONS) += dev-gpio-buttons.o obj-$(CONFIG_ATH79_DEV_LEDS_GPIO) += dev-leds-gpio.o +obj-$(CONFIG_ATH79_DEV_M25P80) += dev-m25p80.o ++obj-$(CONFIG_ATH79_DEV_NFC) += dev-nfc.o obj-$(CONFIG_ATH79_DEV_SPI) += dev-spi.o obj-$(CONFIG_ATH79_DEV_USB) += dev-usb.o obj-$(CONFIG_ATH79_DEV_WMAC) += dev-wmac.o diff --git a/target/linux/ar71xx/patches-3.3/610-MIPS-ath79-openwrt-machines.patch b/target/linux/ar71xx/patches-3.3/610-MIPS-ath79-openwrt-machines.patch index 59eeee0699..a5fed12f3c 100644 --- a/target/linux/ar71xx/patches-3.3/610-MIPS-ath79-openwrt-machines.patch +++ b/target/linux/ar71xx/patches-3.3/610-MIPS-ath79-openwrt-machines.patch @@ -671,7 +671,7 @@ def_bool n config ATH79_DEV_GPIO_BUTTONS -@@ -156,4 +671,7 @@ config ATH79_PCI_ATH9K_FIXUP +@@ -160,4 +675,7 @@ config ATH79_PCI_ATH9K_FIXUP config ATH79_ROUTERBOOT def_bool n @@ -681,7 +681,7 @@ endif --- a/arch/mips/ath79/Makefile +++ b/arch/mips/ath79/Makefile -@@ -37,9 +37,62 @@ obj-$(CONFIG_ATH79_ROUTERBOOT) += route +@@ -38,9 +38,62 @@ obj-$(CONFIG_ATH79_ROUTERBOOT) += route # # Machines # diff --git a/target/linux/ar71xx/patches-3.3/611-TEW-712BR-support.patch b/target/linux/ar71xx/patches-3.3/611-TEW-712BR-support.patch index 319f1f5ce7..cd39f52969 100644 --- a/target/linux/ar71xx/patches-3.3/611-TEW-712BR-support.patch +++ b/target/linux/ar71xx/patches-3.3/611-TEW-712BR-support.patch @@ -19,7 +19,7 @@ select SOC_AR71XX --- a/arch/mips/ath79/Makefile +++ b/arch/mips/ath79/Makefile -@@ -68,6 +68,7 @@ obj-$(CONFIG_ATH79_MACH_RB750) += mach- +@@ -69,6 +69,7 @@ obj-$(CONFIG_ATH79_MACH_RB750) += mach- obj-$(CONFIG_ATH79_MACH_RW2458N) += mach-rw2458n.o obj-$(CONFIG_ATH79_MACH_TEW_632BRP) += mach-tew-632brp.o obj-$(CONFIG_ATH79_MACH_TEW_673GRU) += mach-tew-673gru.o diff --git a/target/linux/ar71xx/patches-3.3/612-ALL0315N-support.patch b/target/linux/ar71xx/patches-3.3/612-ALL0315N-support.patch index fafb112400..7dedc04103 100644 --- a/target/linux/ar71xx/patches-3.3/612-ALL0315N-support.patch +++ b/target/linux/ar71xx/patches-3.3/612-ALL0315N-support.patch @@ -18,7 +18,7 @@ select SOC_AR724X --- a/arch/mips/ath79/Makefile +++ b/arch/mips/ath79/Makefile -@@ -40,6 +40,7 @@ obj-$(CONFIG_ATH79_ROUTERBOOT) += route +@@ -41,6 +41,7 @@ obj-$(CONFIG_ATH79_ROUTERBOOT) += route obj-$(CONFIG_ATH79_MACH_ALFA_AP96) += mach-alfa-ap96.o obj-$(CONFIG_ATH79_MACH_ALFA_NX) += mach-alfa-nx.o obj-$(CONFIG_ATH79_MACH_ALL0258N) += mach-all0258n.o diff --git a/target/linux/ar71xx/patches-3.3/613-RB2011-support.patch b/target/linux/ar71xx/patches-3.3/613-RB2011-support.patch index be2b144c74..656d5f8b59 100644 --- a/target/linux/ar71xx/patches-3.3/613-RB2011-support.patch +++ b/target/linux/ar71xx/patches-3.3/613-RB2011-support.patch @@ -24,7 +24,7 @@ ATH79_MACH_TEW_673GRU, /* TRENDnet TEW-673GRU */ --- a/arch/mips/ath79/Makefile +++ b/arch/mips/ath79/Makefile -@@ -66,6 +66,7 @@ obj-$(CONFIG_ATH79_MACH_PB44) += mach-p +@@ -67,6 +67,7 @@ obj-$(CONFIG_ATH79_MACH_PB44) += mach-p obj-$(CONFIG_ATH79_MACH_PB92) += mach-pb92.o obj-$(CONFIG_ATH79_MACH_RB4XX) += mach-rb4xx.o obj-$(CONFIG_ATH79_MACH_RB750) += mach-rb750.o |