[8/9] rt2800: add eFuse EEPROM support code to rt2800lib

Message ID	20091108133948.23584.12804.sendpatchset@localhost.localdomain (mailing list archive)
State	Not Applicable, archived
Headers	show Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id nA8DeISA017867 for <patchwork-linux-wireless@patchwork.kernel.org>; Sun, 8 Nov 2009 13:40:18 GMT DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:date:message-id:in-reply-to:references:subject; b=ODd+ov1Gw1ElT+7kIXBN7q2dU1r+gZVbNvWakhFzIBNZbz3vqFXbs8V9FPQTE36HJG lm8Sw6HRQQz+KrkRtbpSI4ePklBnknscMcsVmcNGqQ1FafzYVSp9dG95AggzD4Mi1QP/ tUUY7K0ZY6N+eaQz7j3E48WO+jv9RNOLYyZno= From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> To: linux-wireless@vger.kernel.org Cc: Ivo van Doorn <ivdoorn@gmail.com>, Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>, Gertjan van Wingerde <gwingerde@gmail.com> Date: Sun, 08 Nov 2009 14:39:48 +0100 Message-Id: <20091108133948.23584.12804.sendpatchset@localhost.localdomain> In-Reply-To: <20091108133854.23584.86842.sendpatchset@localhost.localdomain> References: <20091108133854.23584.86842.sendpatchset@localhost.localdomain> Subject: [PATCH 8/9] rt2800: add eFuse EEPROM support code to rt2800lib Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk

Index: b/drivers/net/wireless/rt2x00/rt2800.h =================================================================== --- a/drivers/net/wireless/rt2x00/rt2800.h +++ b/drivers/net/wireless/rt2x00/rt2800.h @@ -362,6 +362,35 @@ #define RF_CSR_CFG_BUSY FIELD32(0x00020000) /* + * EFUSE_CSR: RT30x0 EEPROM + */ +#define EFUSE_CTRL 0x0580 +#define EFUSE_CTRL_ADDRESS_IN FIELD32(0x03fe0000) +#define EFUSE_CTRL_MODE FIELD32(0x000000c0) +#define EFUSE_CTRL_KICK FIELD32(0x40000000) +#define EFUSE_CTRL_PRESENT FIELD32(0x80000000) + +/* + * EFUSE_DATA0 + */ +#define EFUSE_DATA0 0x0590 + +/* + * EFUSE_DATA1 + */ +#define EFUSE_DATA1 0x0594 + +/* + * EFUSE_DATA2 + */ +#define EFUSE_DATA2 0x0598 + +/* + * EFUSE_DATA3 + */ +#define EFUSE_DATA3 0x059c + +/* * MAC Control/Status Registers(CSR). * Some values are set in TU, whereas 1 TU == 1024 us. */ Index: b/drivers/net/wireless/rt2x00/rt2800lib.c =================================================================== --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -1659,6 +1659,49 @@ int rt2800_init_rfcsr(struct rt2x00_dev } EXPORT_SYMBOL_GPL(rt2800_init_rfcsr); +int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev) +{ + u32 reg; + + rt2800_register_read(rt2x00dev, EFUSE_CTRL, &reg); + + return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT); +} +EXPORT_SYMBOL_GPL(rt2800_efuse_detect); + +static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i) +{ + u32 reg; + + rt2800_register_read(rt2x00dev, EFUSE_CTRL, &reg); + rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i); + rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0); + rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1); + rt2800_register_write(rt2x00dev, EFUSE_CTRL, reg); + + /* Wait until the EEPROM has been loaded */ + rt2800_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, &reg); + + /* Apparently the data is read from end to start */ + rt2800_register_read(rt2x00dev, EFUSE_DATA3, + (u32 *)&rt2x00dev->eeprom[i]); + rt2800_register_read(rt2x00dev, EFUSE_DATA2, + (u32 *)&rt2x00dev->eeprom[i + 2]); + rt2800_register_read(rt2x00dev, EFUSE_DATA1, + (u32 *)&rt2x00dev->eeprom[i + 4]); + rt2800_register_read(rt2x00dev, EFUSE_DATA0, + (u32 *)&rt2x00dev->eeprom[i + 6]); +} + +void rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) +{ + unsigned int i; + + for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8) + rt2800_efuse_read(rt2x00dev, i); +} +EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse); + int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev) { u16 word; Index: b/drivers/net/wireless/rt2x00/rt2800lib.h =================================================================== --- a/drivers/net/wireless/rt2x00/rt2800lib.h +++ b/drivers/net/wireless/rt2x00/rt2800lib.h @@ -129,6 +129,8 @@ int rt2800_init_registers(struct rt2x00_ int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev); int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev); +int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev); +void rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev); int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev); int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev); int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev); Index: b/drivers/net/wireless/rt2x00/rt2800pci.c =================================================================== --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -147,44 +147,12 @@ static void rt2800pci_read_eeprom_pci(st static int rt2800pci_efuse_detect(struct rt2x00_dev *rt2x00dev) { - u32 reg; - - rt2800_register_read(rt2x00dev, EFUSE_CTRL, &reg); - - return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT); + return rt2800_efuse_detect(rt2x00dev); } -static void rt2800pci_efuse_read(struct rt2x00_dev *rt2x00dev, - unsigned int i) -{ - u32 reg; - - rt2800_register_read(rt2x00dev, EFUSE_CTRL, &reg); - rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i); - rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0); - rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1); - rt2800_register_write(rt2x00dev, EFUSE_CTRL, reg); - - /* Wait until the EEPROM has been loaded */ - rt2800_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, &reg); - - /* Apparently the data is read from end to start */ - rt2800_register_read(rt2x00dev, EFUSE_DATA3, - (u32 *)&rt2x00dev->eeprom[i]); - rt2800_register_read(rt2x00dev, EFUSE_DATA2, - (u32 *)&rt2x00dev->eeprom[i + 2]); - rt2800_register_read(rt2x00dev, EFUSE_DATA1, - (u32 *)&rt2x00dev->eeprom[i + 4]); - rt2800_register_read(rt2x00dev, EFUSE_DATA0, - (u32 *)&rt2x00dev->eeprom[i + 6]); -} - -static void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) +static inline void rt2800pci_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev) { - unsigned int i; - - for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8) - rt2800pci_efuse_read(rt2x00dev, i); + rt2800_read_eeprom_efuse(rt2x00dev); } #else static inline void rt2800pci_read_eeprom_pci(struct rt2x00_dev *rt2x00dev) Index: b/drivers/net/wireless/rt2x00/rt2800pci.h =================================================================== --- a/drivers/net/wireless/rt2x00/rt2800pci.h +++ b/drivers/net/wireless/rt2x00/rt2800pci.h @@ -56,35 +56,6 @@ #define TX_DTX_IDX(__x) TX_DTX_IDX0 + ((__x) * TX_QUEUE_REG_OFFSET) /* - * EFUSE_CSR: RT3090 EEPROM - */ -#define EFUSE_CTRL 0x0580 -#define EFUSE_CTRL_ADDRESS_IN FIELD32(0x03fe0000) -#define EFUSE_CTRL_MODE FIELD32(0x000000c0) -#define EFUSE_CTRL_KICK FIELD32(0x40000000) -#define EFUSE_CTRL_PRESENT FIELD32(0x80000000) - -/* - * EFUSE_DATA0 - */ -#define EFUSE_DATA0 0x0590 - -/* - * EFUSE_DATA1 - */ -#define EFUSE_DATA1 0x0594 - -/* - * EFUSE_DATA2 - */ -#define EFUSE_DATA2 0x0598 - -/* - * EFUSE_DATA3 - */ -#define EFUSE_DATA3 0x059c - -/* * 8051 firmware image. */ #define FIRMWARE_RT2860 "rt2860.bin"

[8/9] rt2800: add eFuse EEPROM support code to rt2800lib

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