diff options
Diffstat (limited to 'package/mac80211/patches/407-ath9k-get-EEPROM-contents-from-platform-data-on-AHB.patch')
-rw-r--r-- | package/mac80211/patches/407-ath9k-get-EEPROM-contents-from-platform-data-on-AHB.patch | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/package/mac80211/patches/407-ath9k-get-EEPROM-contents-from-platform-data-on-AHB.patch b/package/mac80211/patches/407-ath9k-get-EEPROM-contents-from-platform-data-on-AHB.patch deleted file mode 100644 index 4394c3c4ce..0000000000 --- a/package/mac80211/patches/407-ath9k-get-EEPROM-contents-from-platform-data-on-AHB.patch +++ /dev/null @@ -1,215 +0,0 @@ -From 5941741f36a3870e8d22760e290ae7ea45293cdd Mon Sep 17 00:00:00 2001 -From: Gabor Juhos <juhosg@openwrt.org> -Date: Mon, 5 Jan 2009 11:05:05 +0100 -Subject: [PATCH v3 07/11] ath9k: get EEPROM contents from platform data on AHB bus - -On the AR913x SOCs we have to provide EEPROM contents via platform_data, -because accessing the flash via MMIO is not safe. Additionally different -boards may store the radio calibration data at different locations. - -Changes-licensed-under: ISC - -Signed-off-by: Gabor Juhos <juhosg@openwrt.org> -Signed-off-by: Imre Kaloz <kaloz@openwrt.org> ---- - drivers/net/wireless/ath9k/ahb.c | 27 ++++++++++++++++++ - drivers/net/wireless/ath9k/core.h | 1 + - drivers/net/wireless/ath9k/eeprom.c | 51 ++-------------------------------- - drivers/net/wireless/ath9k/pci.c | 18 ++++++++++++ - include/linux/ath9k_platform.h | 28 +++++++++++++++++++ - 5 files changed, 77 insertions(+), 48 deletions(-) - create mode 100644 include/linux/ath9k_platform.h - ---- a/drivers/net/wireless/ath9k/ahb.c -+++ b/drivers/net/wireless/ath9k/ahb.c -@@ -18,6 +18,7 @@ - - #include <linux/nl80211.h> - #include <linux/platform_device.h> -+#include <linux/ath9k_platform.h> - #include "core.h" - #include "reg.h" - #include "hw.h" -@@ -33,9 +34,29 @@ static void ath_ahb_cleanup(struct ath_s - iounmap(sc->mem); - } - -+static bool ath_ahb_eeprom_read(struct ath_hal *ah, u32 off, u16 *data) -+{ -+ struct ath_softc *sc = ah->ah_sc; -+ struct platform_device *pdev = to_platform_device(sc->dev); -+ struct ath9k_platform_data *pdata; -+ -+ pdata = (struct ath9k_platform_data *) pdev->dev.platform_data; -+ if (off >= (ARRAY_SIZE(pdata->eeprom_data))) { -+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL, -+ "%s: flash read failed, offset %08x is out of range\n", -+ __func__, off); -+ return false; -+ } -+ -+ *data = pdata->eeprom_data[off]; -+ return true; -+} -+ - static struct ath_bus_ops ath_ahb_bus_ops = { - .read_cachesize = ath_ahb_read_cachesize, - .cleanup = ath_ahb_cleanup, -+ -+ .eeprom_read = ath_ahb_eeprom_read, - }; - - static int ath_ahb_probe(struct platform_device *pdev) -@@ -48,6 +69,12 @@ static int ath_ahb_probe(struct platform - int ret = 0; - struct ath_hal *ah; - -+ if (!pdev->dev.platform_data) { -+ dev_err(&pdev->dev, "no platform data specified\n"); -+ ret = -EINVAL; -+ goto err_out; -+ } -+ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res == NULL) { - dev_err(&pdev->dev, "no memory resource found\n"); ---- a/drivers/net/wireless/ath9k/core.h -+++ b/drivers/net/wireless/ath9k/core.h -@@ -696,6 +696,7 @@ enum PROT_MODE { - struct ath_bus_ops { - void (*read_cachesize)(struct ath_softc *sc, int *csz); - void (*cleanup)(struct ath_softc *sc); -+ bool (*eeprom_read)(struct ath_hal *ah, u32 off, u16 *data); - }; - - struct ath_softc { ---- a/drivers/net/wireless/ath9k/eeprom.c -+++ b/drivers/net/wireless/ath9k/eeprom.c -@@ -91,53 +91,11 @@ static inline bool ath9k_hw_get_lower_up - return false; - } - --static bool ath9k_hw_eeprom_read(struct ath_hal *ah, u32 off, u16 *data) --{ -- (void)REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S)); -- -- if (!ath9k_hw_wait(ah, -- AR_EEPROM_STATUS_DATA, -- AR_EEPROM_STATUS_DATA_BUSY | -- AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0)) { -- return false; -- } -- -- *data = MS(REG_READ(ah, AR_EEPROM_STATUS_DATA), -- AR_EEPROM_STATUS_DATA_VAL); -- -- return true; --} -- --static int ath9k_hw_flash_map(struct ath_hal *ah) --{ -- struct ath_hal_5416 *ahp = AH5416(ah); -- -- ahp->ah_cal_mem = ioremap(AR5416_EEPROM_START_ADDR, AR5416_EEPROM_MAX); -- -- if (!ahp->ah_cal_mem) { -- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM, -- "cannot remap eeprom region \n"); -- return -EIO; -- } -- -- return 0; --} -- --static bool ath9k_hw_flash_read(struct ath_hal *ah, u32 off, u16 *data) --{ -- struct ath_hal_5416 *ahp = AH5416(ah); -- -- *data = ioread16(ahp->ah_cal_mem + off); -- -- return true; --} -- - static inline bool ath9k_hw_nvram_read(struct ath_hal *ah, u32 off, u16 *data) - { -- if (ath9k_hw_use_flash(ah)) -- return ath9k_hw_flash_read(ah, off, data); -- else -- return ath9k_hw_eeprom_read(ah, off, data); -+ struct ath_softc *sc = ah->ah_sc; -+ -+ return sc->bus_ops->eeprom_read(ah, off, data); - } - - static bool ath9k_hw_fill_4k_eeprom(struct ath_hal *ah) -@@ -2825,9 +2783,6 @@ int ath9k_hw_eeprom_attach(struct ath_ha - int status; - struct ath_hal_5416 *ahp = AH5416(ah); - -- if (ath9k_hw_use_flash(ah)) -- ath9k_hw_flash_map(ah); -- - if (AR_SREV_9285(ah)) - ahp->ah_eep_map = EEP_MAP_4KBITS; - else ---- a/drivers/net/wireless/ath9k/pci.c -+++ b/drivers/net/wireless/ath9k/pci.c -@@ -58,9 +58,27 @@ static void ath_pci_cleanup(struct ath_s - pci_disable_device(pdev); - } - -+static bool ath_pci_eeprom_read(struct ath_hal *ah, u32 off, u16 *data) -+{ -+ (void)REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S)); -+ -+ if (!ath9k_hw_wait(ah, -+ AR_EEPROM_STATUS_DATA, -+ AR_EEPROM_STATUS_DATA_BUSY | -+ AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0)) { -+ return false; -+ } -+ -+ *data = MS(REG_READ(ah, AR_EEPROM_STATUS_DATA), -+ AR_EEPROM_STATUS_DATA_VAL); -+ -+ return true; -+} -+ - static struct ath_bus_ops ath_pci_bus_ops = { - .read_cachesize = ath_pci_read_cachesize, - .cleanup = ath_pci_cleanup, -+ .eeprom_read = ath_pci_eeprom_read, - }; - - static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) ---- /dev/null -+++ b/include/linux/ath9k_platform.h -@@ -0,0 +1,28 @@ -+/* -+ * Copyright (c) 2008 Atheros Communications Inc. -+ * Copyright (c) 2009 Gabor Juhos <juhosg@openwrt.org> -+ * Copyright (c) 2009 Imre Kaloz <kaloz@openwrt.org> -+ * -+ * Permission to use, copy, modify, and/or distribute this software for any -+ * purpose with or without fee is hereby granted, provided that the above -+ * copyright notice and this permission notice appear in all copies. -+ * -+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES -+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF -+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR -+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN -+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF -+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -+ */ -+ -+#ifndef _LINUX_ATH9K_PLATFORM_H -+#define _LINUX_ATH9K_PLATFORM_H -+ -+#define ATH9K_PLAT_EEP_MAX_WORDS 2048 -+ -+struct ath9k_platform_data { -+ u16 eeprom_data[ATH9K_PLAT_EEP_MAX_WORDS]; -+}; -+ -+#endif /* _LINUX_ATH9K_PLATFORM_H */ |