From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 3F872A0350; Mon, 22 Jun 2020 09:05:34 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 591441C1B2; Mon, 22 Jun 2020 09:05:19 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 5CDAF1C1A5 for ; Mon, 22 Jun 2020 09:05:15 +0200 (CEST) IronPort-SDR: 5PuXNmF2hx2tpriwP4UL7byNSOQIhoETMlzO/qhCtyDri5FIVSkcBUI+Ofg6AuYYN6cPeExLrt 50ycU3xPc35w== X-IronPort-AV: E=McAfee;i="6000,8403,9659"; a="141944682" X-IronPort-AV: E=Sophos;i="5.75,266,1589266800"; d="scan'208";a="141944682" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jun 2020 00:05:14 -0700 IronPort-SDR: rzxS5IVVzK2WET+zBSARTHxqd+xp9fjEWgwT0IZPW6RY80k5FJIdKemPUJlw18x2a4TLJGP+r/ yfRyHjnPwR0A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,266,1589266800"; d="scan'208";a="384408749" Received: from dpdk.sh.intel.com ([10.239.255.83]) by fmsmga001.fm.intel.com with ESMTP; 22 Jun 2020 00:05:12 -0700 From: Guinan Sun To: dev@dpdk.org Cc: Jeff Guo , Zhao1 Wei , Guinan Sun , Sasha Neftin Date: Mon, 22 Jun 2020 06:45:26 +0000 Message-Id: <20200622064634.70941-3-guinanx.sun@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200622064634.70941-1-guinanx.sun@intel.com> References: <20200622064634.70941-1-guinanx.sun@intel.com> Subject: [dpdk-dev] [PATCH 02/70] net/e1000/base: add initial support for Foxville X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add Foxville device's ID and mac type, bind device's ID and MAC type. Add basic Foxville functionality. Add phy ID's for Foxville. Signed-off-by: Sasha Neftin Signed-off-by: Guinan Sun --- drivers/net/e1000/Makefile | 1 + drivers/net/e1000/base/e1000_82575.c | 10 +- drivers/net/e1000/base/e1000_api.c | 9 + drivers/net/e1000/base/e1000_api.h | 1 + drivers/net/e1000/base/e1000_defines.h | 52 ++ drivers/net/e1000/base/e1000_hw.h | 19 + drivers/net/e1000/base/e1000_i225.c | 1119 ++++++++++++++++++++++++ drivers/net/e1000/base/e1000_i225.h | 105 +++ drivers/net/e1000/base/e1000_regs.h | 6 + drivers/net/e1000/base/meson.build | 1 + 10 files changed, 1321 insertions(+), 2 deletions(-) create mode 100644 drivers/net/e1000/base/e1000_i225.c create mode 100644 drivers/net/e1000/base/e1000_i225.h diff --git a/drivers/net/e1000/Makefile b/drivers/net/e1000/Makefile index 9fb038cf0..82e156ecb 100644 --- a/drivers/net/e1000/Makefile +++ b/drivers/net/e1000/Makefile @@ -58,6 +58,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_E1000_PMD) += e1000_82543.c SRCS-$(CONFIG_RTE_LIBRTE_E1000_PMD) += e1000_82571.c SRCS-$(CONFIG_RTE_LIBRTE_E1000_PMD) += e1000_82575.c SRCS-$(CONFIG_RTE_LIBRTE_E1000_PMD) += e1000_i210.c +SRCS-$(CONFIG_RTE_LIBRTE_E1000_PMD) += e1000_i225.c SRCS-$(CONFIG_RTE_LIBRTE_E1000_PMD) += e1000_api.c SRCS-$(CONFIG_RTE_LIBRTE_E1000_PMD) += e1000_ich8lan.c SRCS-$(CONFIG_RTE_LIBRTE_E1000_PMD) += e1000_logs.c diff --git a/drivers/net/e1000/base/e1000_82575.c b/drivers/net/e1000/base/e1000_82575.c index 4c3611c6d..35a6ba502 100644 --- a/drivers/net/e1000/base/e1000_82575.c +++ b/drivers/net/e1000/base/e1000_82575.c @@ -14,6 +14,7 @@ #include "e1000_api.h" #include "e1000_i210.h" +#include "e1000_i225.h" STATIC s32 e1000_init_phy_params_82575(struct e1000_hw *hw); STATIC s32 e1000_init_mac_params_82575(struct e1000_hw *hw); @@ -430,12 +431,17 @@ STATIC s32 e1000_init_mac_params_82575(struct e1000_hw *hw) if (mac->type >= e1000_82580) mac->ops.reset_hw = e1000_reset_hw_82580; else - mac->ops.reset_hw = e1000_reset_hw_82575; + mac->ops.reset_hw = e1000_reset_hw_82575; /* hw initialization */ if ((mac->type == e1000_i210) || (mac->type == e1000_i211)) mac->ops.init_hw = e1000_init_hw_i210; else - mac->ops.init_hw = e1000_init_hw_82575; +#ifndef NO_I225_SUPPORT + if (mac->type == e1000_i225) + mac->ops.init_hw = e1000_init_hw_i225; + else +#endif /* NO_I225_SUPPORT */ + mac->ops.init_hw = e1000_init_hw_82575; /* link setup */ mac->ops.setup_link = e1000_setup_link_generic; /* physical interface link setup */ diff --git a/drivers/net/e1000/base/e1000_api.c b/drivers/net/e1000/base/e1000_api.c index 718952801..90845d477 100644 --- a/drivers/net/e1000/base/e1000_api.c +++ b/drivers/net/e1000/base/e1000_api.c @@ -333,6 +333,12 @@ s32 e1000_set_mac_type(struct e1000_hw *hw) case E1000_DEV_ID_I211_COPPER: mac->type = e1000_i211; break; +#ifndef NO_I225_SUPPORT + case E1000_DEV_ID_I225_LM: + case E1000_DEV_ID_I225_V: + mac->type = e1000_i225; + break; +#endif /* NO_I225_SUPPORT */ case E1000_DEV_ID_82576_VF: case E1000_DEV_ID_82576_VF_HV: mac->type = e1000_vfadapt; @@ -451,6 +457,9 @@ s32 e1000_setup_init_funcs(struct e1000_hw *hw, bool init_device) case e1000_i211: e1000_init_function_pointers_i210(hw); break; + case e1000_i225: + e1000_init_function_pointers_i225(hw); + break; case e1000_vfadapt: e1000_init_function_pointers_vf(hw); break; diff --git a/drivers/net/e1000/base/e1000_api.h b/drivers/net/e1000/base/e1000_api.h index 3054d5b9d..34e065054 100644 --- a/drivers/net/e1000/base/e1000_api.h +++ b/drivers/net/e1000/base/e1000_api.h @@ -20,6 +20,7 @@ extern void e1000_init_function_pointers_vf(struct e1000_hw *hw); extern void e1000_power_up_fiber_serdes_link(struct e1000_hw *hw); extern void e1000_shutdown_fiber_serdes_link(struct e1000_hw *hw); extern void e1000_init_function_pointers_i210(struct e1000_hw *hw); +extern void e1000_init_function_pointers_i225(struct e1000_hw *hw); s32 e1000_set_obff_timer(struct e1000_hw *hw, u32 itr); s32 e1000_set_mac_type(struct e1000_hw *hw); diff --git a/drivers/net/e1000/base/e1000_defines.h b/drivers/net/e1000/base/e1000_defines.h index 8831da7ca..ee2ecceee 100644 --- a/drivers/net/e1000/base/e1000_defines.h +++ b/drivers/net/e1000/base/e1000_defines.h @@ -843,6 +843,11 @@ #define E1000_EEE_SU_LPI_CLK_STP 0x00800000 /* EEE LPI Clock Stop */ #define E1000_EEE_LP_ADV_DEV_I210 7 /* EEE LP Adv Device */ #define E1000_EEE_LP_ADV_ADDR_I210 61 /* EEE LP Adv Register */ +#ifndef NO_I225_SUPPORT +#define E1000_EEE_LP_ADV_DEV_I225 7 /* EEE LP Adv Device */ +#define E1000_EEE_LP_ADV_ADDR_I225 61 /* EEE LP Adv Register */ + +#endif /* NO_I225_SUPPORT */ /* PCI Express Control */ #define E1000_GCR_RXD_NO_SNOOP 0x00000001 #define E1000_GCR_RXDSCW_NO_SNOOP 0x00000002 @@ -1027,6 +1032,12 @@ /* Firmware code revision field word offset*/ #define E1000_I210_FW_VER_OFFSET 328 +#ifndef NO_I225_SUPPORT +#define E1000_EECD_FLUPD_I225 0x00800000 /* Update FLASH */ +#define E1000_EECD_FLUDONE_I225 0x04000000 /* Update FLASH done */ +#define E1000_EECD_FLASH_DETECTED_I225 0x00080000 /* FLASH detected */ + +#endif /* NO_I225_SUPPORT */ #define E1000_NVM_RW_REG_DATA 16 /* Offset to data in NVM read/write regs */ #define E1000_NVM_RW_REG_DONE 2 /* Offset to READ/WRITE done bit */ #define E1000_NVM_RW_REG_START 1 /* Start operation */ @@ -1244,6 +1255,9 @@ #define I82580_I_PHY_ID 0x015403A0 #define I350_I_PHY_ID 0x015403B0 #define I210_I_PHY_ID 0x01410C00 +#ifndef NO_I225_SUPPORT +#define I225_I_PHY_ID 0x67C9DC00 +#endif /* NO_I225_SUPPORT */ #define IGP04E1000_E_PHY_ID 0x02A80391 #define BCM54616_E_PHY_ID 0x03625D10 #define M88_VENDOR 0x0141 @@ -1454,6 +1468,43 @@ #define I210_TXPBSIZE_DEFAULT 0x04000014 /* TXPBSIZE default */ +#ifndef NO_I225_SUPPORT +#define I225_RXPBSIZE_DEFAULT 0x000000A2 /* RXPBSIZE default */ +#define I225_TXPBSIZE_DEFAULT 0x04000014 /* TXPBSIZE default */ +#define E1000_RXPBS_SIZE_I225_MASK 0x0000003F /* Rx packet buffer size */ +#define E1000_TXPB0S_SIZE_I225_MASK 0x0000003F /* Tx packet buffer 0 size */ +#define E1000_STM_OPCODE 0xDB00 +#define E1000_EEPROM_FLASH_SIZE_WORD 0x11 +#define INVM_DWORD_TO_RECORD_TYPE(invm_dword) \ + (u8)((invm_dword) & 0x7) +#define INVM_DWORD_TO_WORD_ADDRESS(invm_dword) \ + (u8)(((invm_dword) & 0x0000FE00) >> 9) +#define INVM_DWORD_TO_WORD_DATA(invm_dword) \ + (u16)(((invm_dword) & 0xFFFF0000) >> 16) +#define E1000_INVM_RSA_KEY_SHA256_DATA_SIZE_IN_DWORDS 8 +#define E1000_INVM_CSR_AUTOLOAD_DATA_SIZE_IN_DWORDS 1 +#define E1000_INVM_ULT_BYTES_SIZE 8 +#define E1000_INVM_RECORD_SIZE_IN_BYTES 4 +#define E1000_INVM_VER_FIELD_ONE 0x1FF8 +#define E1000_INVM_VER_FIELD_TWO 0x7FE000 +#define E1000_INVM_IMGTYPE_FIELD 0x1F800000 + +#define E1000_INVM_MAJOR_MASK 0x3F0 +#define E1000_INVM_MINOR_MASK 0xF +#define E1000_INVM_MAJOR_SHIFT 4 + +/* PLL Defines */ +#define E1000_PCI_PMCSR 0x44 +#define E1000_PCI_PMCSR_D3 0x03 +#define E1000_MAX_PLL_TRIES 5 +#define E1000_PHY_PLL_UNCONF 0xFF +#define E1000_PHY_PLL_FREQ_PAGE 0xFC0000 +#define E1000_PHY_PLL_FREQ_REG 0x000E +#define E1000_INVM_DEFAULT_AL 0x202F +#define E1000_INVM_AUTOLOAD 0x0A +#define E1000_INVM_PLL_WO_VAL 0x0010 + +#endif /* NO_I225_SUPPORT */ /* Proxy Filter Control */ #define E1000_PROXYFC_D0 0x00000001 /* Enable offload in D0 */ #define E1000_PROXYFC_EX 0x00000004 /* Directed exact proxy */ @@ -1476,6 +1527,7 @@ /* Lan ID bit field offset in status register */ #define E1000_STATUS_LAN_ID_OFFSET 2 #define E1000_VFTA_ENTRIES 128 + #ifndef E1000_UNUSEDARG #define E1000_UNUSEDARG #endif /* E1000_UNUSEDARG */ diff --git a/drivers/net/e1000/base/e1000_hw.h b/drivers/net/e1000/base/e1000_hw.h index 9793b724e..a47fa9822 100644 --- a/drivers/net/e1000/base/e1000_hw.h +++ b/drivers/net/e1000/base/e1000_hw.h @@ -155,6 +155,10 @@ struct e1000_hw; #define E1000_DEV_ID_I210_COPPER_FLASHLESS 0x157B #define E1000_DEV_ID_I210_SERDES_FLASHLESS 0x157C #define E1000_DEV_ID_I211_COPPER 0x1539 +#ifndef NO_I225_SUPPORT +#define E1000_DEV_ID_I225_LM 0x15F2 +#define E1000_DEV_ID_I225_V 0x15F3 +#endif /* NO_I225_SUPPORT */ #define E1000_DEV_ID_I354_BACKPLANE_1GBPS 0x1F40 #define E1000_DEV_ID_I354_SGMII 0x1F41 #define E1000_DEV_ID_I354_BACKPLANE_2_5GBPS 0x1F45 @@ -214,6 +218,9 @@ enum e1000_mac_type { e1000_i354, e1000_i210, e1000_i211, +#ifndef NO_I225_SUPPORT + e1000_i225, +#endif /* NO_I225_SUPPORT */ e1000_vfadapt, e1000_vfadapt_i350, e1000_num_macs /* List is 1-based, so subtract 1 for true count. */ @@ -348,6 +355,17 @@ enum e1000_serdes_link_state { e1000_serdes_link_forced_up }; +#ifndef NO_I225_SUPPORT +enum e1000_invm_structure_type { + e1000_invm_unitialized_structure = 0x00, + e1000_invm_word_autoload_structure = 0x01, + e1000_invm_csr_autoload_structure = 0x02, + e1000_invm_phy_register_autoload_structure = 0x03, + e1000_invm_rsa_key_sha256_structure = 0x04, + e1000_invm_invalidated_structure = 0x0f, +}; + +#endif /* NO_I225_SUPPORT */ #define __le16 u16 #define __le32 u32 #define __le64 u64 @@ -1008,6 +1026,7 @@ struct e1000_hw { #include "e1000_ich8lan.h" #include "e1000_82575.h" #include "e1000_i210.h" +#include "e1000_i225.h" /* These functions must be implemented by drivers */ void e1000_pci_clear_mwi(struct e1000_hw *hw); diff --git a/drivers/net/e1000/base/e1000_i225.c b/drivers/net/e1000/base/e1000_i225.c new file mode 100644 index 000000000..4ba6c45be --- /dev/null +++ b/drivers/net/e1000/base/e1000_i225.c @@ -0,0 +1,1119 @@ +#ifndef NO_API_SUPPORT +#include "e1000_api.h" +#else +#include "e1000_hw.h" +#endif /* NO_API_SUPPORT */ +#ifndef EXTERNAL_RELEASE +#ifdef WPP_TRACING_ENABLED +#include +#endif /* WPP_TRACING_ENABLED */ +#endif /* EXTERNAL_RELEASE */ + +STATIC s32 e1000_acquire_nvm_i225(struct e1000_hw *hw); +STATIC void e1000_release_nvm_i225(struct e1000_hw *hw); +STATIC s32 e1000_get_hw_semaphore_i225(struct e1000_hw *hw); +#ifndef QV_RELEASE +STATIC s32 __e1000_write_nvm_srwr(struct e1000_hw *hw, u16 offset, u16 words, + u16 *data); +#endif /* QV_RELEASE */ +STATIC s32 e1000_pool_flash_update_done_i225(struct e1000_hw *hw); +STATIC s32 e1000_valid_led_default_i225(struct e1000_hw *hw, u16 *data); + +/* e1000_acquire_nvm_i225 - Request for access to EEPROM + * @hw: pointer to the HW structure + * + * Acquire the necessary semaphores for exclusive access to the EEPROM. + * Set the EEPROM access request bit and wait for EEPROM access grant bit. + * Return successful if access grant bit set, else clear the request for + * EEPROM access and return -E1000_ERR_NVM (-1). + */ +STATIC s32 e1000_acquire_nvm_i225(struct e1000_hw *hw) +{ + s32 ret_val; + + DEBUGFUNC("e1000_acquire_nvm_i225"); + + ret_val = e1000_acquire_swfw_sync_i225(hw, E1000_SWFW_EEP_SM); + + return ret_val; +} + +/* e1000_release_nvm_i225 - Release exclusive access to EEPROM + * @hw: pointer to the HW structure + * + * Stop any current commands to the EEPROM and clear the EEPROM request bit, + * then release the semaphores acquired. + */ +STATIC void e1000_release_nvm_i225(struct e1000_hw *hw) +{ + DEBUGFUNC("e1000_release_nvm_i225"); + + e1000_release_swfw_sync_i225(hw, E1000_SWFW_EEP_SM); +} + +/* e1000_acquire_swfw_sync_i225 - Acquire SW/FW semaphore + * @hw: pointer to the HW structure + * @mask: specifies which semaphore to acquire + * + * Acquire the SW/FW semaphore to access the PHY or NVM. The mask + * will also specify which port we're acquiring the lock for. + */ +s32 e1000_acquire_swfw_sync_i225(struct e1000_hw *hw, u16 mask) +{ + u32 swfw_sync; + u32 swmask = mask; + u32 fwmask = mask << 16; + s32 ret_val = E1000_SUCCESS; + s32 i = 0, timeout = 200; /* FIXME: find real value to use here */ + + DEBUGFUNC("e1000_acquire_swfw_sync_i225"); + + while (i < timeout) { + if (e1000_get_hw_semaphore_i225(hw)) { + ret_val = -E1000_ERR_SWFW_SYNC; + goto out; + } + + swfw_sync = E1000_READ_REG(hw, E1000_SW_FW_SYNC); + if (!(swfw_sync & (fwmask | swmask))) + break; + + /* Firmware currently using resource (fwmask) + * or other software thread using resource (swmask) + */ + e1000_put_hw_semaphore_generic(hw); + msec_delay_irq(5); + i++; + } + + if (i == timeout) { + DEBUGOUT("Driver can't access resource, SW_FW_SYNC timeout.\n"); + ret_val = -E1000_ERR_SWFW_SYNC; + goto out; + } + + swfw_sync |= swmask; + E1000_WRITE_REG(hw, E1000_SW_FW_SYNC, swfw_sync); + + e1000_put_hw_semaphore_generic(hw); + +out: + return ret_val; +} + +/* e1000_release_swfw_sync_i225 - Release SW/FW semaphore + * @hw: pointer to the HW structure + * @mask: specifies which semaphore to acquire + * + * Release the SW/FW semaphore used to access the PHY or NVM. The mask + * will also specify which port we're releasing the lock for. + */ +void e1000_release_swfw_sync_i225(struct e1000_hw *hw, u16 mask) +{ + u32 swfw_sync; + + DEBUGFUNC("e1000_release_swfw_sync_i225"); + + while (e1000_get_hw_semaphore_i225(hw) != E1000_SUCCESS) + ; /* Empty */ + + swfw_sync = E1000_READ_REG(hw, E1000_SW_FW_SYNC); + swfw_sync &= ~mask; + E1000_WRITE_REG(hw, E1000_SW_FW_SYNC, swfw_sync); + + e1000_put_hw_semaphore_generic(hw); +} + +/* e1000_get_hw_semaphore_i225 - Acquire hardware semaphore + * @hw: pointer to the HW structure + * + * Acquire the HW semaphore to access the PHY or NVM + */ +STATIC s32 e1000_get_hw_semaphore_i225(struct e1000_hw *hw) +{ + u32 swsm; + s32 timeout = hw->nvm.word_size + 1; + s32 i = 0; + + DEBUGFUNC("e1000_get_hw_semaphore_i225"); + + /* Get the SW semaphore */ + while (i < timeout) { + swsm = E1000_READ_REG(hw, E1000_SWSM); + if (!(swsm & E1000_SWSM_SMBI)) + break; + + usec_delay(50); + i++; + } + + if (i == timeout) { + /* In rare circumstances, the SW semaphore may already be held + * unintentionally. Clear the semaphore once before giving up. + */ + if (hw->dev_spec._82575.clear_semaphore_once) { + hw->dev_spec._82575.clear_semaphore_once = false; + e1000_put_hw_semaphore_generic(hw); + for (i = 0; i < timeout; i++) { + swsm = E1000_READ_REG(hw, E1000_SWSM); + if (!(swsm & E1000_SWSM_SMBI)) + break; + + usec_delay(50); + } + } + + /* If we do not have the semaphore here, we have to give up. */ + if (i == timeout) { + DEBUGOUT("Driver can't access device -\n"); + DEBUGOUT("SMBI bit is set.\n"); + return -E1000_ERR_NVM; + } + } + + /* Get the FW semaphore. */ + for (i = 0; i < timeout; i++) { + swsm = E1000_READ_REG(hw, E1000_SWSM); + E1000_WRITE_REG(hw, E1000_SWSM, swsm | E1000_SWSM_SWESMBI); + + /* Semaphore acquired if bit latched */ + if (E1000_READ_REG(hw, E1000_SWSM) & E1000_SWSM_SWESMBI) + break; + + usec_delay(50); + } + + if (i == timeout) { + /* Release semaphores */ + e1000_put_hw_semaphore_generic(hw); + DEBUGOUT("Driver can't access the NVM\n"); + return -E1000_ERR_NVM; + } + + return E1000_SUCCESS; +} + +/* e1000_read_nvm_srrd_i225 - Reads Shadow Ram using EERD register + * @hw: pointer to the HW structure + * @offset: offset of word in the Shadow Ram to read + * @words: number of words to read + * @data: word read from the Shadow Ram + * + * Reads a 16 bit word from the Shadow Ram using the EERD register. + * Uses necessary synchronization semaphores. + */ +s32 e1000_read_nvm_srrd_i225(struct e1000_hw *hw, u16 offset, u16 words, + u16 *data) +{ + s32 status = E1000_SUCCESS; + u16 i, count; + + DEBUGFUNC("e1000_read_nvm_srrd_i225"); + + /* We cannot hold synchronization semaphores for too long, + * because of forceful takeover procedure. However it is more efficient + * to read in bursts than synchronizing access for each word. + */ + for (i = 0; i < words; i += E1000_EERD_EEWR_MAX_COUNT) { + count = (words - i) / E1000_EERD_EEWR_MAX_COUNT > 0 ? + E1000_EERD_EEWR_MAX_COUNT : (words - i); + if (hw->nvm.ops.acquire(hw) == E1000_SUCCESS) { + status = e1000_read_nvm_eerd(hw, offset, count, + data + i); + hw->nvm.ops.release(hw); + } else { + status = E1000_ERR_SWFW_SYNC; + } + + if (status != E1000_SUCCESS) + break; + } + + return status; +} + +/* e1000_write_nvm_srwr_i225 - Write to Shadow RAM using EEWR + * @hw: pointer to the HW structure + * @offset: offset within the Shadow RAM to be written to + * @words: number of words to write + * @data: 16 bit word(s) to be written to the Shadow RAM + * + * Writes data to Shadow RAM at offset using EEWR register. + * + * If e1000_update_nvm_checksum is not called after this function , the + * data will not be committed to FLASH and also Shadow RAM will most likely + * contain an invalid checksum. + * + * If error code is returned, data and Shadow RAM may be inconsistent - buffer + * partially written. + */ +s32 e1000_write_nvm_srwr_i225(struct e1000_hw *hw, u16 offset, u16 words, + u16 *data) +{ + s32 status = E1000_SUCCESS; + u16 i, count; + + DEBUGFUNC("e1000_write_nvm_srwr_i225"); + + /* We cannot hold synchronization semaphores for too long, + * because of forceful takeover procedure. However it is more efficient + * to write in bursts than synchronizing access for each word. + */ + for (i = 0; i < words; i += E1000_EERD_EEWR_MAX_COUNT) { + count = (words - i) / E1000_EERD_EEWR_MAX_COUNT > 0 ? + E1000_EERD_EEWR_MAX_COUNT : (words - i); + if (hw->nvm.ops.acquire(hw) == E1000_SUCCESS) { + status = __e1000_write_nvm_srwr(hw, offset, count, + data + i); + hw->nvm.ops.release(hw); + } else { + status = E1000_ERR_SWFW_SYNC; + } + + if (status != E1000_SUCCESS) + break; + } + + return status; +} + +/* __e1000_write_nvm_srwr - Write to Shadow Ram using EEWR + * @hw: pointer to the HW structure + * @offset: offset within the Shadow Ram to be written to + * @words: number of words to write + * @data: 16 bit word(s) to be written to the Shadow Ram + * + * Writes data to Shadow Ram at offset using EEWR register. + * + * If e1000_update_nvm_checksum is not called after this function , the + * Shadow Ram will most likely contain an invalid checksum. + */ +STATIC s32 __e1000_write_nvm_srwr(struct e1000_hw *hw, u16 offset, u16 words, + u16 *data) +{ + struct e1000_nvm_info *nvm = &hw->nvm; + u32 i, k, eewr = 0; + u32 attempts = 100000; + s32 ret_val = E1000_SUCCESS; + + DEBUGFUNC("__e1000_write_nvm_srwr"); + + /* A check for invalid values: offset too large, too many words, + * too many words for the offset, and not enough words. + */ + if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) || + (words == 0)) { + DEBUGOUT("nvm parameter(s) out of bounds\n"); + ret_val = -E1000_ERR_NVM; + goto out; + } + + for (i = 0; i < words; i++) { + eewr = ((offset + i) << E1000_NVM_RW_ADDR_SHIFT) | + (data[i] << E1000_NVM_RW_REG_DATA) | + E1000_NVM_RW_REG_START; + + E1000_WRITE_REG(hw, E1000_SRWR, eewr); + + for (k = 0; k < attempts; k++) { + if (E1000_NVM_RW_REG_DONE & + E1000_READ_REG(hw, E1000_SRWR)) { + ret_val = E1000_SUCCESS; + break; + } + usec_delay(5); + } + + if (ret_val != E1000_SUCCESS) { + DEBUGOUT("Shadow RAM write EEWR timed out\n"); + break; + } + } + +out: + return ret_val; +} + +/* e1000_read_invm_word_i225 - Reads OTP + * @hw: pointer to the HW structure + * @address: the word address (aka eeprom offset) to read + * @data: pointer to the data read + * + * Reads 16-bit words from the OTP. Return error when the word is not + * stored in OTP. + */ +STATIC s32 e1000_read_invm_word_i225(struct e1000_hw *hw, u8 address, u16 *data) +{ + s32 status = -E1000_ERR_INVM_VALUE_NOT_FOUND; + u32 invm_dword; + u16 i; + u8 record_type, word_address; + + DEBUGFUNC("e1000_read_invm_word_i225"); + + for (i = 0; i < E1000_INVM_SIZE; i++) { + invm_dword = E1000_READ_REG(hw, E1000_INVM_DATA_REG(i)); + /* Get record type */ + record_type = INVM_DWORD_TO_RECORD_TYPE(invm_dword); + if (record_type == e1000_invm_unitialized_structure) + break; + if (record_type == e1000_invm_csr_autoload_structure) + i += E1000_INVM_CSR_AUTOLOAD_DATA_SIZE_IN_DWORDS; + if (record_type == e1000_invm_rsa_key_sha256_structure) + i += E1000_INVM_RSA_KEY_SHA256_DATA_SIZE_IN_DWORDS; + if (record_type == e1000_invm_word_autoload_structure) { + word_address = INVM_DWORD_TO_WORD_ADDRESS(invm_dword); + if (word_address == address) { + *data = INVM_DWORD_TO_WORD_DATA(invm_dword); + DEBUGOUT2("Read INVM Word 0x%02x = %x", + address, *data); + status = E1000_SUCCESS; + break; + } + } + } + if (status != E1000_SUCCESS) + DEBUGOUT1("Requested word 0x%02x not found in OTP\n", address); + return status; +} + +/* e1000_read_invm_i225 - Read invm wrapper function for I225 + * @hw: pointer to the HW structure + * @address: the word address (aka eeprom offset) to read + * @data: pointer to the data read + * + * Wrapper function to return data formerly found in the NVM. + */ +STATIC s32 e1000_read_invm_i225(struct e1000_hw *hw, u16 offset, + u16 E1000_UNUSEDARG words, u16 *data) +{ + s32 ret_val = E1000_SUCCESS; + + UNREFERENCED_1PARAMETER(words); + + DEBUGFUNC("e1000_read_invm_i225"); + + /* Only the MAC addr is required to be present in the iNVM */ + switch (offset) { + case NVM_MAC_ADDR: + ret_val = e1000_read_invm_word_i225(hw, (u8)offset, &data[0]); + ret_val |= e1000_read_invm_word_i225(hw, (u8)offset + 1, + &data[1]); + ret_val |= e1000_read_invm_word_i225(hw, (u8)offset + 2, + &data[2]); + if (ret_val != E1000_SUCCESS) + DEBUGOUT("MAC Addr not found in iNVM\n"); + break; + case NVM_INIT_CTRL_2: + ret_val = e1000_read_invm_word_i225(hw, (u8)offset, data); + if (ret_val != E1000_SUCCESS) { + *data = NVM_INIT_CTRL_2_DEFAULT_I225; + ret_val = E1000_SUCCESS; + } + break; + case NVM_INIT_CTRL_4: + ret_val = e1000_read_invm_word_i225(hw, (u8)offset, data); + if (ret_val != E1000_SUCCESS) { + *data = NVM_INIT_CTRL_4_DEFAULT_I225; + ret_val = E1000_SUCCESS; + } + break; + case NVM_LED_1_CFG: + ret_val = e1000_read_invm_word_i225(hw, (u8)offset, data); + if (ret_val != E1000_SUCCESS) { + *data = NVM_LED_1_CFG_DEFAULT_I225; + ret_val = E1000_SUCCESS; + } + break; + case NVM_LED_0_2_CFG: + ret_val = e1000_read_invm_word_i225(hw, (u8)offset, data); + if (ret_val != E1000_SUCCESS) { + *data = NVM_LED_0_2_CFG_DEFAULT_I225; + ret_val = E1000_SUCCESS; + } + break; + case NVM_ID_LED_SETTINGS: + ret_val = e1000_read_invm_word_i225(hw, (u8)offset, data); + if (ret_val != E1000_SUCCESS) { + *data = ID_LED_RESERVED_FFFF; + ret_val = E1000_SUCCESS; + } + break; + case NVM_SUB_DEV_ID: + *data = hw->subsystem_device_id; + break; + case NVM_SUB_VEN_ID: + *data = hw->subsystem_vendor_id; + break; + case NVM_DEV_ID: + *data = hw->device_id; + break; + case NVM_VEN_ID: + *data = hw->vendor_id; + break; + default: + DEBUGOUT1("NVM word 0x%02x is not mapped.\n", offset); + *data = NVM_RESERVED_WORD; + break; + } + return ret_val; +} + +#if defined(NVM_VERSION_SUPPORT) || defined(QV_RELEASE) +/* e1000_read_invm_version_i225 - Reads iNVM version and image type + * @hw: pointer to the HW structure + * @invm_ver: version structure for the version read + * + * Reads iNVM version and image type. + */ +s32 e1000_read_invm_version_i225(struct e1000_hw *hw, + struct e1000_fw_version *invm_ver) +{ + u32 *record = NULL; + u32 *next_record = NULL; + u32 i = 0; + u32 invm_dword = 0; + u32 invm_blocks = E1000_INVM_SIZE - (E1000_INVM_ULT_BYTES_SIZE / + E1000_INVM_RECORD_SIZE_IN_BYTES); + u32 buffer[E1000_INVM_SIZE]; + s32 status = -E1000_ERR_INVM_VALUE_NOT_FOUND; + u16 version = 0; + + DEBUGFUNC("e1000_read_invm_version_i225"); + + /* Read iNVM memory */ + for (i = 0; i < E1000_INVM_SIZE; i++) { + invm_dword = E1000_READ_REG(hw, E1000_INVM_DATA_REG(i)); + buffer[i] = invm_dword; + } + + /* Read version number */ + for (i = 1; i < invm_blocks; i++) { + record = &buffer[invm_blocks - i]; + next_record = &buffer[invm_blocks - i + 1]; + + /* Check if we have first version location used */ + if ((i == 1) && ((*record & E1000_INVM_VER_FIELD_ONE) == 0)) { + version = 0; + status = E1000_SUCCESS; + break; + } + /* Check if we have second version location used */ + else if ((i == 1) && + ((*record & E1000_INVM_VER_FIELD_TWO) == 0)) { + version = (*record & E1000_INVM_VER_FIELD_ONE) >> 3; + status = E1000_SUCCESS; + break; + } + /* Check if we have odd version location + * used and it is the last one used + */ + else if ((((*record & E1000_INVM_VER_FIELD_ONE) == 0) && + ((*record & 0x3) == 0)) || (((*record & 0x3) != 0) && + (i != 1))) { + version = (*next_record & E1000_INVM_VER_FIELD_TWO) + >> 13; + status = E1000_SUCCESS; + break; + } + /* Check if we have even version location + * used and it is the last one used + */ + else if (((*record & E1000_INVM_VER_FIELD_TWO) == 0) && + ((*record & 0x3) == 0)) { + version = (*record & E1000_INVM_VER_FIELD_ONE) >> 3; + status = E1000_SUCCESS; + break; + } + } + + if (status == E1000_SUCCESS) { + invm_ver->invm_major = (version & E1000_INVM_MAJOR_MASK) + >> E1000_INVM_MAJOR_SHIFT; + invm_ver->invm_minor = version & E1000_INVM_MINOR_MASK; + } + /* Read Image Type */ + for (i = 1; i < invm_blocks; i++) { + record = &buffer[invm_blocks - i]; + next_record = &buffer[invm_blocks - i + 1]; + + /* Check if we have image type in first location used */ + if ((i == 1) && ((*record & E1000_INVM_IMGTYPE_FIELD) == 0)) { + invm_ver->invm_img_type = 0; + status = E1000_SUCCESS; + break; + } + /* Check if we have image type in first location used */ + else if ((((*record & 0x3) == 0) && + ((*record & E1000_INVM_IMGTYPE_FIELD) == 0)) || + ((((*record & 0x3) != 0) && (i != 1)))) { + invm_ver->invm_img_type = + (*next_record & E1000_INVM_IMGTYPE_FIELD) >> 23; + status = E1000_SUCCESS; + break; + } + } + return status; +} + +#endif /* NVM_VERSION_SUPPORT or QV_RELEASE */ +/* e1000_validate_nvm_checksum_i225 - Validate EEPROM checksum + * @hw: pointer to the HW structure + * + * Calculates the EEPROM checksum by reading/adding each word of the EEPROM + * and then verifies that the sum of the EEPROM is equal to 0xBABA. + */ +s32 e1000_validate_nvm_checksum_i225(struct e1000_hw *hw) +{ + s32 status = E1000_SUCCESS; + s32 (*read_op_ptr)(struct e1000_hw *, u16, u16, u16 *); + + DEBUGFUNC("e1000_validate_nvm_checksum_i225"); + + if (hw->nvm.ops.acquire(hw) == E1000_SUCCESS) { + /* Replace the read function with semaphore grabbing with + * the one that skips this for a while. + * We have semaphore taken already here. + */ + read_op_ptr = hw->nvm.ops.read; + hw->nvm.ops.read = e1000_read_nvm_eerd; + + status = e1000_validate_nvm_checksum_generic(hw); + + /* Revert original read operation. */ + hw->nvm.ops.read = read_op_ptr; + + hw->nvm.ops.release(hw); + } else { + status = E1000_ERR_SWFW_SYNC; + } + + return status; +} + +/* e1000_update_nvm_checksum_i225 - Update EEPROM checksum + * @hw: pointer to the HW structure + * + * Updates the EEPROM checksum by reading/adding each word of the EEPROM + * up to the checksum. Then calculates the EEPROM checksum and writes the + * value to the EEPROM. Next commit EEPROM data onto the Flash. + */ +s32 e1000_update_nvm_checksum_i225(struct e1000_hw *hw) +{ + s32 ret_val; + u16 checksum = 0; + u16 i, nvm_data; + + DEBUGFUNC("e1000_update_nvm_checksum_i225"); + + /* Read the first word from the EEPROM. If this times out or fails, do + * not continue or we could be in for a very long wait while every + * EEPROM read fails + */ + ret_val = e1000_read_nvm_eerd(hw, 0, 1, &nvm_data); + if (ret_val != E1000_SUCCESS) { + DEBUGOUT("EEPROM read failed\n"); + goto out; + } + + if (hw->nvm.ops.acquire(hw) == E1000_SUCCESS) { + /* Do not use hw->nvm.ops.write, hw->nvm.ops.read + * because we do not want to take the synchronization + * semaphores twice here. + */ + + for (i = 0; i < NVM_CHECKSUM_REG; i++) { + ret_val = e1000_read_nvm_eerd(hw, i, 1, &nvm_data); + if (ret_val) { + hw->nvm.ops.release(hw); + DEBUGOUT("NVM Read Error while updating\n"); + DEBUGOUT("checksum.\n"); + goto out; + } + checksum += nvm_data; + } + checksum = (u16)NVM_SUM - checksum; + ret_val = __e1000_write_nvm_srwr(hw, NVM_CHECKSUM_REG, 1, + &checksum); + if (ret_val != E1000_SUCCESS) { + hw->nvm.ops.release(hw); + DEBUGOUT("NVM Write Error while updating checksum.\n"); + goto out; + } + + hw->nvm.ops.release(hw); + + ret_val = e1000_update_flash_i225(hw); + } else { + ret_val = E1000_ERR_SWFW_SYNC; + } +out: + return ret_val; +} + +/* e1000_get_flash_presence_i225 - Check if flash device is detected. + * @hw: pointer to the HW structure + */ +bool e1000_get_flash_presence_i225(struct e1000_hw *hw) +{ + u32 eec = 0; + bool ret_val = false; + + DEBUGFUNC("e1000_get_flash_presence_i225"); + + eec = E1000_READ_REG(hw, E1000_EECD); + + if (eec & E1000_EECD_FLASH_DETECTED_I225) + ret_val = true; + + return ret_val; +} + +/* e1000_update_flash_i225 - Commit EEPROM to the flash + * @hw: pointer to the HW structure + */ +s32 e1000_update_flash_i225(struct e1000_hw *hw) +{ + s32 ret_val; + u32 flup; + + DEBUGFUNC("e1000_update_flash_i225"); + + ret_val = e1000_pool_flash_update_done_i225(hw); + if (ret_val == -E1000_ERR_NVM) { + DEBUGOUT("Flash update time out\n"); + goto out; + } + + flup = E1000_READ_REG(hw, E1000_EECD) | E1000_EECD_FLUPD_I225; + E1000_WRITE_REG(hw, E1000_EECD, flup); + + ret_val = e1000_pool_flash_update_done_i225(hw); + if (ret_val == E1000_SUCCESS) + DEBUGOUT("Flash update complete\n"); + else + DEBUGOUT("Flash update time out\n"); + +out: + return ret_val; +} + +/* e1000_pool_flash_update_done_i225 - Pool FLUDONE status. + * @hw: pointer to the HW structure + */ +s32 e1000_pool_flash_update_done_i225(struct e1000_hw *hw) +{ + s32 ret_val = -E1000_ERR_NVM; + u32 i, reg; + + DEBUGFUNC("e1000_pool_flash_update_done_i225"); + + for (i = 0; i < E1000_FLUDONE_ATTEMPTS; i++) { + reg = E1000_READ_REG(hw, E1000_EECD); + if (reg & E1000_EECD_FLUDONE_I225) { + ret_val = E1000_SUCCESS; + break; + } + usec_delay(5); + } + + return ret_val; +} + +/* e1000_init_nvm_params_i225 - Initialize i225 NVM function pointers + * @hw: pointer to the HW structure + * + * Initialize the i225/i211 NVM parameters and function pointers. + */ +STATIC s32 e1000_init_nvm_params_i225(struct e1000_hw *hw) +{ + s32 ret_val; + struct e1000_nvm_info *nvm = &hw->nvm; + + DEBUGFUNC("e1000_init_nvm_params_i225"); + + ret_val = e1000_init_nvm_params_82575(hw); + nvm->ops.acquire = e1000_acquire_nvm_i225; + nvm->ops.release = e1000_release_nvm_i225; + nvm->ops.valid_led_default = e1000_valid_led_default_i225; + if (e1000_get_flash_presence_i225(hw)) { + hw->nvm.type = e1000_nvm_flash_hw; + nvm->ops.read = e1000_read_nvm_srrd_i225; + nvm->ops.write = e1000_write_nvm_srwr_i225; + nvm->ops.validate = e1000_validate_nvm_checksum_i225; + nvm->ops.update = e1000_update_nvm_checksum_i225; + } else { + hw->nvm.type = e1000_nvm_invm; + nvm->ops.read = e1000_read_invm_i225; +#ifndef NO_NULL_OPS_SUPPORT + nvm->ops.write = e1000_null_write_nvm; + nvm->ops.validate = e1000_null_ops_generic; + nvm->ops.update = e1000_null_ops_generic; +#else + nvm->ops.write = NULL; + nvm->ops.validate = NULL; + nvm->ops.update = NULL; +#endif /* NO_NULL_OPS_SUPPORT */ + } + return ret_val; +} + +#ifdef I225_LTR_SUPPORT +/* e1000_set_ltr_i225 - Set Latency Tolerance Reporting thresholds. + * @hw: pointer to the HW structure + * @link: bool indicating link status + * + * Set the LTR thresholds based on the link speed (Mbps), EEE, and DMAC + * settings, otherwise specify that there is no LTR requirement. + */ +STATIC s32 e1000_set_ltr_i225(struct e1000_hw *hw, bool link) +{ + u16 speed, duplex; + u32 tw_system, ltrc, ltrv, ltr_min, ltr_max, scale_min, scale_max; + s32 size; + + DEBUGFUNC("e1000_set_ltr_i225"); + + /* If we do not have link, LTR thresholds are zero. */ + if (link) { + hw->mac.ops.get_link_up_info(hw, &speed, &duplex); + + /* Check if using copper interface with EEE enabled or if the + * link speed is 10 Mbps. + */ + if ((hw->phy.media_type == e1000_media_type_copper) && + !(hw->dev_spec._82575.eee_disable) && + (speed != SPEED_10)) { + /* EEE enabled, so send LTRMAX threshold. */ + ltrc = E1000_READ_REG(hw, E1000_LTRC) | + E1000_LTRC_EEEMS_EN; + E1000_WRITE_REG(hw, E1000_LTRC, ltrc); + + /* Calculate tw_system (nsec). */ + if (speed == SPEED_100) { + tw_system = ((E1000_READ_REG(hw, E1000_EEE_SU) & + E1000_TW_SYSTEM_100_MASK) >> + E1000_TW_SYSTEM_100_SHIFT) * 500; + } else { + tw_system = (E1000_READ_REG(hw, E1000_EEE_SU) & + E1000_TW_SYSTEM_1000_MASK) * 500; + } + } else { + tw_system = 0; + } + + /* Get the Rx packet buffer size. */ + size = E1000_READ_REG(hw, E1000_RXPBS) & + E1000_RXPBS_SIZE_I225_MASK; + + /* Calculations vary based on DMAC settings. */ + if (E1000_READ_REG(hw, E1000_DMACR) & E1000_DMACR_DMAC_EN) { + size -= (E1000_READ_REG(hw, E1000_DMACR) & + E1000_DMACR_DMACTHR_MASK) >> + E1000_DMACR_DMACTHR_SHIFT; + /* Convert size to bits. */ + size *= 1024 * 8; + } else { + /* Convert size to bytes, subtract the MTU, and then + * convert the size to bits. + */ + size *= 1024; + size -= hw->dev_spec._82575.mtu; + size *= 8; + } + + if (size < 0) { + DEBUGOUT1("Invalid effective Rx buffer size %d\n", + size); + return -E1000_ERR_CONFIG; + } + + /* Calculate the thresholds. Since speed is in Mbps, simplify + * the calculation by multiplying size/speed by 1000 for result + * to be in nsec before dividing by the scale in nsec. Set the + * scale such that the LTR threshold fits in the register. + */ + ltr_min = (1000 * size) / speed; + ltr_max = ltr_min + tw_system; + scale_min = (ltr_min / 1024) < 1024 ? E1000_LTRMINV_SCALE_1024 : + E1000_LTRMINV_SCALE_32768; + scale_max = (ltr_max / 1024) < 1024 ? E1000_LTRMAXV_SCALE_1024 : + E1000_LTRMAXV_SCALE_32768; + ltr_min /= scale_min == E1000_LTRMINV_SCALE_1024 ? 1024 : 32768; + ltr_max /= scale_max == E1000_LTRMAXV_SCALE_1024 ? 1024 : 32768; + + /* Only write the LTR thresholds if they differ from before. */ + ltrv = E1000_READ_REG(hw, E1000_LTRMINV); + if (ltr_min != (ltrv & E1000_LTRMINV_LTRV_MASK)) { + ltrv = E1000_LTRMINV_LSNP_REQ | ltr_min | + (scale_min << E1000_LTRMINV_SCALE_SHIFT); + E1000_WRITE_REG(hw, E1000_LTRMINV, ltrv); + } + + ltrv = E1000_READ_REG(hw, E1000_LTRMAXV); + if (ltr_max != (ltrv & E1000_LTRMAXV_LTRV_MASK)) { + ltrv = E1000_LTRMAXV_LSNP_REQ | ltr_max | + (scale_min << E1000_LTRMAXV_SCALE_SHIFT); + E1000_WRITE_REG(hw, E1000_LTRMAXV, ltrv); + } + } + + return E1000_SUCCESS; +} + +/* e1000_check_for_link_i225 - Check for link + * @hw: pointer to the HW structure + * + * Checks to see of the link status of the hardware has changed. If a + * change in link status has been detected, then we read the PHY registers + * to get the current speed/duplex if link exists. + */ +s32 e1000_check_for_link_i225(struct e1000_hw *hw) +{ + struct e1000_mac_info *mac = &hw->mac; + s32 ret_val; + bool link = false; + + DEBUGFUNC("e1000_check_for_link_i225"); + + if (hw->phy.media_type != e1000_media_type_copper) { + u16 speed, duplex; + + ret_val = e1000_get_pcs_speed_and_duplex_82575(hw, &speed, + &duplex); + /* Use this flag to determine if link needs to be checked or + * not. If we have link clear the flag so that we do not + * continue to check for link. + */ + hw->mac.get_link_status = !hw->mac.serdes_has_link; + + link = hw->mac.serdes_has_link; + } else { + /* We only want to go out to the PHY registers to see if + * Auto-Neg has completed and/or if our link status has + * changed. The get_link_status flag is set upon receiving + * a Link Status Change or Rx Sequence Error interrupt. + */ + if (!mac->get_link_status) { + ret_val = E1000_SUCCESS; + goto out; + } + + /* First we want to see if the MII Status Register reports + * link. If so, then we want to get the current speed/duplex + * of the PHY. + */ + ret_val = e1000_phy_has_link_generic(hw, 1, 0, &link); + if (ret_val) + goto out; + + if (!link) + goto out; /* No link detected */ + + mac->get_link_status = false; + + /* Check if there was DownShift, must be checked + * immediately after link-up + */ + e1000_check_downshift_generic(hw); + + /* If we are forcing speed/duplex, then we simply return since + * we have already determined whether we have link or not. + */ + if (!mac->autoneg) { + ret_val = -E1000_ERR_CONFIG; + goto out; + } + + /* Auto-Neg is enabled. Auto Speed Detection takes care + * of MAC speed/duplex configuration. So we only need to + * configure Collision Distance in the MAC. + */ + mac->ops.config_collision_dist(hw); + + /* Configure Flow Control now that Auto-Neg has completed. + * First, we need to restore the desired flow control + * settings because we may have had to re-autoneg with a + * different link partner. + */ + ret_val = e1000_config_fc_after_link_up_generic(hw); + if (ret_val) + DEBUGOUT("Error configuring flow control\n"); + } + +out: + /* Now that we are aware of our link settings, we can set the LTR + * thresholds. + */ + ret_val = e1000_set_ltr_i225(hw, link); + + return ret_val; +} + +#endif /* I225_LTR_SUPPORT */ +/* e1000_init_function_pointers_i225 - Init func ptrs. + * @hw: pointer to the HW structure + * + * Called to initialize all function pointers and parameters. + */ +void e1000_init_function_pointers_i225(struct e1000_hw *hw) +{ + e1000_init_function_pointers_82575(hw); + hw->nvm.ops.init_params = e1000_init_nvm_params_i225; +} + +/* e1000_valid_led_default_i225 - Verify a valid default LED config + * @hw: pointer to the HW structure + * @data: pointer to the NVM (EEPROM) + * + * Read the EEPROM for the current default LED configuration. If the + * LED configuration is not valid, set to a valid LED configuration. + */ +STATIC s32 e1000_valid_led_default_i225(struct e1000_hw *hw, u16 *data) +{ + s32 ret_val; + + DEBUGFUNC("e1000_valid_led_default_i225"); + + ret_val = hw->nvm.ops.read(hw, NVM_ID_LED_SETTINGS, 1, data); + if (ret_val) { + DEBUGOUT("NVM Read Error\n"); + goto out; + } + + if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF) { + switch (hw->phy.media_type) { + case e1000_media_type_internal_serdes: + *data = ID_LED_DEFAULT_I225_SERDES; + break; + case e1000_media_type_copper: + default: + *data = ID_LED_DEFAULT_I225; + break; + } + } +#ifndef QV_RELEASE +out: +#endif /* QV_RELEASE */ + return ret_val; +} + +/* e1000_pll_workaround_i225 + * @hw: pointer to the HW structure + * + * Works around an errata in the PLL circuit where it occasionally + * provides the wrong clock frequency after power up. + */ +STATIC s32 e1000_pll_workaround_i225(struct e1000_hw *hw) +{ + s32 ret_val; + u32 wuc, mdicnfg, ctrl, ctrl_ext, reg_val; + u16 nvm_word, phy_word, pci_word, tmp_nvm; + int i; + + /* Get PHY semaphore */ + hw->phy.ops.acquire(hw); + /* Get and set needed register values */ + wuc = E1000_READ_REG(hw, E1000_WUC); + mdicnfg = E1000_READ_REG(hw, E1000_MDICNFG); + reg_val = mdicnfg & ~E1000_MDICNFG_EXT_MDIO; + E1000_WRITE_REG(hw, E1000_MDICNFG, reg_val); + + /* Get data from NVM, or set default */ + ret_val = e1000_read_invm_word_i225(hw, E1000_INVM_AUTOLOAD, + &nvm_word); + if (ret_val != E1000_SUCCESS) + nvm_word = E1000_INVM_DEFAULT_AL; + tmp_nvm = nvm_word | E1000_INVM_PLL_WO_VAL; + for (i = 0; i < E1000_MAX_PLL_TRIES; i++) { + /* check current state directly from internal PHY */ + e1000_write_phy_reg_mdic(hw, GS40G_PAGE_SELECT, 0xFC); + usec_delay(20); + e1000_read_phy_reg_mdic(hw, E1000_PHY_PLL_FREQ_REG, &phy_word); + usec_delay(20); + e1000_write_phy_reg_mdic(hw, GS40G_PAGE_SELECT, 0); + if ((phy_word & E1000_PHY_PLL_UNCONF) + != E1000_PHY_PLL_UNCONF) { + ret_val = E1000_SUCCESS; + } else { + ret_val = -E1000_ERR_PHY; + } + /* directly reset the internal PHY */ + ctrl = E1000_READ_REG(hw, E1000_CTRL); + E1000_WRITE_REG(hw, E1000_CTRL, ctrl | E1000_CTRL_PHY_RST); + + ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT); + ctrl_ext |= (E1000_CTRL_EXT_PHYPDEN | E1000_CTRL_EXT_SDLPE); + E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext); + + E1000_WRITE_REG(hw, E1000_WUC, 0); + reg_val = (E1000_INVM_AUTOLOAD << 4) | (tmp_nvm << 16); + E1000_WRITE_REG(hw, E1000_EEARBC_I225, reg_val); + + e1000_read_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word); + pci_word |= E1000_PCI_PMCSR_D3; + e1000_write_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word); + msec_delay(1); + pci_word &= ~E1000_PCI_PMCSR_D3; + e1000_write_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word); + reg_val = (E1000_INVM_AUTOLOAD << 4) | (nvm_word << 16); + E1000_WRITE_REG(hw, E1000_EEARBC_I225, reg_val); + + /* restore WUC register */ + E1000_WRITE_REG(hw, E1000_WUC, wuc); + } + /* restore MDICNFG setting */ + E1000_WRITE_REG(hw, E1000_MDICNFG, mdicnfg); + /* Release PHY semaphore */ + hw->phy.ops.release(hw); + return ret_val; +} + +/* e1000_get_cfg_done_i225 - Read config done bit + * @hw: pointer to the HW structure + * + * Read the management control register for the config done bit for + * completion status. NOTE: silicon which is EEPROM-less will fail trying + * to read the config done bit, so an error is *ONLY* logged and returns + * E1000_SUCCESS. If we were to return with error, EEPROM-less silicon + * would not be able to be reset or change link. + */ +STATIC s32 e1000_get_cfg_done_i225(struct e1000_hw *hw) +{ + s32 timeout = PHY_CFG_TIMEOUT; + u32 mask = E1000_NVM_CFG_DONE_PORT_0; + + DEBUGFUNC("e1000_get_cfg_done_i225"); + + while (timeout) { + if (E1000_READ_REG(hw, E1000_EEMNGCTL_I225) & mask) + break; + msec_delay(1); + timeout--; + } + if (!timeout) + DEBUGOUT("MNG configuration cycle has not completed.\n"); + + return E1000_SUCCESS; +} + +/* e1000_init_hw_i225 - Init hw for I225 + * @hw: pointer to the HW structure + * + * Called to initialize hw for i225 hw family. + */ +s32 e1000_init_hw_i225(struct e1000_hw *hw) +{ + s32 ret_val; + + DEBUGFUNC("e1000_init_hw_i225"); + if ((hw->mac.type >= e1000_i225) && + !(e1000_get_flash_presence_i225(hw))) { + ret_val = e1000_pll_workaround_i225(hw); + if (ret_val != E1000_SUCCESS) + return ret_val; + } + hw->phy.ops.get_cfg_done = e1000_get_cfg_done_i225; + ret_val = e1000_init_hw_82575(hw); + return ret_val; +} diff --git a/drivers/net/e1000/base/e1000_i225.h b/drivers/net/e1000/base/e1000_i225.h new file mode 100644 index 000000000..f13a7bbde --- /dev/null +++ b/drivers/net/e1000/base/e1000_i225.h @@ -0,0 +1,105 @@ +#ifndef _E1000_I225_H_ +#define _E1000_I225_H_ + +bool e1000_get_flash_presence_i225(struct e1000_hw *hw); +s32 e1000_update_flash_i225(struct e1000_hw *hw); +s32 e1000_update_nvm_checksum_i225(struct e1000_hw *hw); +s32 e1000_validate_nvm_checksum_i225(struct e1000_hw *hw); +s32 e1000_write_nvm_srwr_i225(struct e1000_hw *hw, u16 offset, + u16 words, u16 *data); +s32 e1000_read_nvm_srrd_i225(struct e1000_hw *hw, u16 offset, + u16 words, u16 *data); +s32 e1000_read_invm_version_i225(struct e1000_hw *hw, + struct e1000_fw_version *invm_ver); +s32 e1000_set_flsw_flash_burst_counter_i225(struct e1000_hw *hw, + u32 burst_counter); +s32 e1000_write_erase_flash_command_i225(struct e1000_hw *hw, u32 opcode, + u32 address); +s32 e1000_acquire_swfw_sync_i225(struct e1000_hw *hw, u16 mask); +void e1000_release_swfw_sync_i225(struct e1000_hw *hw, u16 mask); +s32 e1000_init_hw_i225(struct e1000_hw *hw); +s32 e1000_setup_copper_link_i225(struct e1000_hw *hw); +s32 e1000_set_d0_lplu_state_i225(struct e1000_hw *hw, bool active); +s32 e1000_set_d3_lplu_state_i225(struct e1000_hw *hw, bool active); +s32 e1000_set_eee_i225(struct e1000_hw *hw, bool adv2p5G, bool adv1G, + bool adv100M); + +#define ID_LED_DEFAULT_I225 ((ID_LED_OFF1_ON2 << 8) | \ + (ID_LED_DEF1_DEF2 << 4) | \ + (ID_LED_OFF1_OFF2)) +#define ID_LED_DEFAULT_I225_SERDES ((ID_LED_DEF1_DEF2 << 8) | \ + (ID_LED_DEF1_DEF2 << 4) | \ + (ID_LED_OFF1_ON2)) + +/* NVM offset defaults for I225 devices */ +#define NVM_INIT_CTRL_2_DEFAULT_I225 0X7243 +#define NVM_INIT_CTRL_4_DEFAULT_I225 0x00C1 +#define NVM_LED_1_CFG_DEFAULT_I225 0x0184 +#define NVM_LED_0_2_CFG_DEFAULT_I225 0x200C + +#define E1000_MRQC_ENABLE_RSS_4Q 0x00000002 +#define E1000_MRQC_ENABLE_VMDQ 0x00000003 +#define E1000_MRQC_ENABLE_VMDQ_RSS_2Q 0x00000005 +#define E1000_MRQC_RSS_FIELD_IPV4_UDP 0x00400000 +#define E1000_MRQC_RSS_FIELD_IPV6_UDP 0x00800000 +#define E1000_MRQC_RSS_FIELD_IPV6_UDP_EX 0x01000000 +#define E1000_I225_SHADOW_RAM_SIZE 4096 +#define E1000_I225_ERASE_CMD_OPCODE 0x02000000 +#define E1000_I225_WRITE_CMD_OPCODE 0x01000000 +#define E1000_FLSWCTL_DONE 0x40000000 +#define E1000_FLSWCTL_CMDV 0x10000000 + +/* SRRCTL bit definitions */ +#define E1000_SRRCTL_BSIZEHDRSIZE_MASK 0x00000F00 +#define E1000_SRRCTL_DESCTYPE_LEGACY 0x00000000 +#define E1000_SRRCTL_DESCTYPE_HDR_SPLIT 0x04000000 +#define E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS 0x0A000000 +#define E1000_SRRCTL_DESCTYPE_HDR_REPLICATION 0x06000000 +#define E1000_SRRCTL_DESCTYPE_HDR_REPLICATION_LARGE_PKT 0x08000000 +#define E1000_SRRCTL_DESCTYPE_MASK 0x0E000000 +#define E1000_SRRCTL_DROP_EN 0x80000000 +#define E1000_SRRCTL_BSIZEPKT_MASK 0x0000007F +#define E1000_SRRCTL_BSIZEHDR_MASK 0x00003F00 + +#define E1000_RXDADV_RSSTYPE_MASK 0x0000000F +#define E1000_RXDADV_RSSTYPE_SHIFT 12 +#define E1000_RXDADV_HDRBUFLEN_MASK 0x7FE0 +#define E1000_RXDADV_HDRBUFLEN_SHIFT 5 +#define E1000_RXDADV_SPLITHEADER_EN 0x00001000 +#define E1000_RXDADV_SPH 0x8000 +#define E1000_RXDADV_STAT_TS 0x10000 /* Pkt was time stamped */ +#define E1000_RXDADV_ERR_HBO 0x00800000 + +/* RSS Hash results */ +#define E1000_RXDADV_RSSTYPE_NONE 0x00000000 +#define E1000_RXDADV_RSSTYPE_IPV4_TCP 0x00000001 +#define E1000_RXDADV_RSSTYPE_IPV4 0x00000002 +#define E1000_RXDADV_RSSTYPE_IPV6_TCP 0x00000003 +#define E1000_RXDADV_RSSTYPE_IPV6_EX 0x00000004 +#define E1000_RXDADV_RSSTYPE_IPV6 0x00000005 +#define E1000_RXDADV_RSSTYPE_IPV6_TCP_EX 0x00000006 +#define E1000_RXDADV_RSSTYPE_IPV4_UDP 0x00000007 +#define E1000_RXDADV_RSSTYPE_IPV6_UDP 0x00000008 +#define E1000_RXDADV_RSSTYPE_IPV6_UDP_EX 0x00000009 + +/* RSS Packet Types as indicated in the receive descriptor */ +#define E1000_RXDADV_PKTTYPE_ILMASK 0x000000F0 +#define E1000_RXDADV_PKTTYPE_TLMASK 0x00000F00 +#define E1000_RXDADV_PKTTYPE_NONE 0x00000000 +#define E1000_RXDADV_PKTTYPE_IPV4 0x00000010 /* IPV4 hdr present */ +#define E1000_RXDADV_PKTTYPE_IPV4_EX 0x00000020 /* IPV4 hdr + extensions */ +#define E1000_RXDADV_PKTTYPE_IPV6 0x00000040 /* IPV6 hdr present */ +#define E1000_RXDADV_PKTTYPE_IPV6_EX 0x00000080 /* IPV6 hdr + extensions */ +#define E1000_RXDADV_PKTTYPE_TCP 0x00000100 /* TCP hdr present */ +#define E1000_RXDADV_PKTTYPE_UDP 0x00000200 /* UDP hdr present */ +#define E1000_RXDADV_PKTTYPE_SCTP 0x00000400 /* SCTP hdr present */ +#define E1000_RXDADV_PKTTYPE_NFS 0x00000800 /* NFS hdr present */ + +#define E1000_RXDADV_PKTTYPE_IPSEC_ESP 0x00001000 /* IPSec ESP */ +#define E1000_RXDADV_PKTTYPE_IPSEC_AH 0x00002000 /* IPSec AH */ +#define E1000_RXDADV_PKTTYPE_LINKSEC 0x00004000 /* LinkSec Encap */ +#define E1000_RXDADV_PKTTYPE_ETQF 0x00008000 /* PKTTYPE is ETQF index */ +#define E1000_RXDADV_PKTTYPE_ETQF_MASK 0x00000070 /* ETQF has 8 indices */ +#define E1000_RXDADV_PKTTYPE_ETQF_SHIFT 4 /* Right-shift 4 bits */ + +#endif diff --git a/drivers/net/e1000/base/e1000_regs.h b/drivers/net/e1000/base/e1000_regs.h index b072c5c1d..1f8736f35 100644 --- a/drivers/net/e1000/base/e1000_regs.h +++ b/drivers/net/e1000/base/e1000_regs.h @@ -85,8 +85,14 @@ #define E1000_IOSFPC 0x00F28 /* TX corrupted data */ #define E1000_EEMNGCTL 0x01010 /* MNG EEprom Control */ #define E1000_EEMNGCTL_I210 0x01010 /* i210 MNG EEprom Mode Control */ +#ifndef NO_I225_SUPPORT +#define E1000_EEMNGCTL_I225 0x01010 /* i225 MNG EEprom Mode Control */ +#endif /* NO_I225_SUPPORT */ #define E1000_EEARBC 0x01024 /* EEPROM Auto Read Bus Control */ #define E1000_EEARBC_I210 0x12024 /* EEPROM Auto Read Bus Control */ +#ifndef NO_I225_SUPPORT +#define E1000_EEARBC_I225 0x12024 /* EEPROM Auto Read Bus Control */ +#endif /* NO_I225_SUPPORT */ #define E1000_FLASHT 0x01028 /* FLASH Timer Register */ #define E1000_EEWR 0x0102C /* EEPROM Write Register - RW */ #define E1000_FLSWCTL 0x01030 /* FLASH control register */ diff --git a/drivers/net/e1000/base/meson.build b/drivers/net/e1000/base/meson.build index 5e1716def..d13c32033 100644 --- a/drivers/net/e1000/base/meson.build +++ b/drivers/net/e1000/base/meson.build @@ -11,6 +11,7 @@ sources = [ 'e1000_82575.c', 'e1000_api.c', 'e1000_i210.c', + 'e1000_i225.c', 'e1000_ich8lan.c', 'e1000_mac.c', 'e1000_manage.c', -- 2.17.1