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-rw-r--r--recipes/linux/linux-2.6.24/hipox/hipox.patch2
-rw-r--r--recipes/u-boot/u-boot-2009.03/hipox/00-hipox.patch7034
-rw-r--r--recipes/u-boot/u-boot_2009.03.bb20
3 files changed, 7055 insertions, 1 deletions
diff --git a/recipes/linux/linux-2.6.24/hipox/hipox.patch b/recipes/linux/linux-2.6.24/hipox/hipox.patch
index 686876fb1e..e2d857570a 100644
--- a/recipes/linux/linux-2.6.24/hipox/hipox.patch
+++ b/recipes/linux/linux-2.6.24/hipox/hipox.patch
@@ -23398,7 +23398,7 @@ diff -Nurd linux-2.6.24/arch/arm/mach-hipox/hipox.c linux-2.6.24-oxe810/arch/arm
+#endif // CONFIG_HIPOX_SATA_POWER_2
+}
+
-+MACHINE_START(OXNAS, "Oxsemi NAS")
++MACHINE_START(HIPOX, "OXE810 based HydraIP")
+ /* Maintainer: Oxford Semiconductor Ltd */
+#ifdef CONFIG_ARCH_HIPOX_UART1
+ .phys_io = UART_1_BASE_PA,
diff --git a/recipes/u-boot/u-boot-2009.03/hipox/00-hipox.patch b/recipes/u-boot/u-boot-2009.03/hipox/00-hipox.patch
new file mode 100644
index 0000000000..fbb8039635
--- /dev/null
+++ b/recipes/u-boot/u-boot-2009.03/hipox/00-hipox.patch
@@ -0,0 +1,7034 @@
+diff -Nurd u-boot-2009.03.orig/Makefile u-boot-2009.03/Makefile
+--- u-boot-2009.03.orig/Makefile 2009-04-15 11:05:24.000000000 +0200
++++ u-boot-2009.03/Makefile 2009-04-15 11:08:18.000000000 +0200
+@@ -2842,6 +2842,10 @@
+ fi;
+ @$(MKCONFIG) SX1 arm arm925t sx1
+
++hipox_config : unconfig
++ @ln -s -f ./u-boot-arm926ejs.lds ./board/hipox/u-boot.lds
++ @$(MKCONFIG) hipox arm arm926ejs hipox;
++
+ # TRAB default configuration: 8 MB Flash, 32 MB RAM
+ xtract_trab = $(subst _bigram,,$(subst _bigflash,,$(subst _old,,$(subst _config,,$1))))
+
+@@ -3486,7 +3490,7 @@
+ @rm -f $(obj)api_examples/demo $(TIMESTAMP_FILE) $(VERSION_FILE)
+ @find $(OBJTREE) -type f \
+ \( -name 'core' -o -name '*.bak' -o -name '*~' \
+- -o -name '*.o' -o -name '*.a' \) -print \
++ -o -name '*.o' -o -name '*.a' -o -name .depend \) -print \
+ | xargs rm -f
+
+ clobber: clean
+diff -Nurd u-boot-2009.03.orig/board/hipox/Makefile u-boot-2009.03/board/hipox/Makefile
+--- u-boot-2009.03.orig/board/hipox/Makefile 1970-01-01 01:00:00.000000000 +0100
++++ u-boot-2009.03/board/hipox/Makefile 2009-04-15 11:08:18.000000000 +0200
+@@ -0,0 +1,51 @@
++#
++# (C) Copyright 2000-2004
++# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
++#
++# (C) Copyright 2004
++# ARM Ltd.
++# Philippe Robin, <philippe.robin@arm.com>
++#
++# See file CREDITS for list of people who contributed to this
++# project.
++#
++# This program is free software; you can redistribute it and/or
++# modify it under the terms of the GNU General Public License as
++# published by the Free Software Foundation; either version 2 of
++# the License, or (at your option) any later version.
++#
++# This program is distributed in the hope that it will be useful,
++# but WITHOUT ANY WARRANTY; without even the implied warranty of
++# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++# GNU General Public License for more details.
++#
++# You should have received a copy of the GNU General Public License
++# along with this program; if not, write to the Free Software
++# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
++# MA 02111-1307 USA
++#
++
++include $(TOPDIR)/config.mk
++
++LIB = lib$(BOARD).a
++
++OBJS := hipox.o eth.o ide-$(NAS_VERSION).o
++SOBJS := platform-$(NAS_VERSION).o
++
++$(LIB): $(OBJS) $(SOBJS)
++ $(AR) crv $@ $^
++
++clean:
++ rm -f $(SOBJS) $(OBJS)
++
++distclean: clean
++ rm -f $(LIB) core *.bak .depend
++
++#########################################################################
++
++.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
++ $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
++
++-include .depend
++
++#########################################################################
+diff -Nurd u-boot-2009.03.orig/board/hipox/config.mk u-boot-2009.03/board/hipox/config.mk
+--- u-boot-2009.03.orig/board/hipox/config.mk 1970-01-01 01:00:00.000000000 +0100
++++ u-boot-2009.03/board/hipox/config.mk 2009-04-15 11:08:18.000000000 +0200
+@@ -0,0 +1,29 @@
++TEXT_BASE = 0x48d00000
++CROSS_COMPILE = arm-linux-
++
++PLL400 ?= 733333333
++RPSCLK ?= 25000000
++
++NAS_VERSION ?= 810
++FPGA ?= 0
++FPGA_ARM_CLK ?= 25000000
++
++PROBE_MEM_SIZE ?= 1
++MEM_SIZE ?= 128 # Memory size in megabytes if probing is not enabled
++MEM_ODT ?= 150
++
++USE_SATA ?= 1
++USE_SATA_ENV ?= 0
++USE_FLASH ?= 1
++USE_NAND ?= 1
++
++LINUX_ROOT_RAIDED ?= 0
++
++USE_EXTERNAL_UART ?= 0
++INTERNAL_UART ?= 2
++
++USE_LEON_TIME_COUNT ?= 1 # uses leon counted time to update system time on power-up
++
++TEST_BRD ?= 0 # Only significant for OX800
++
++PLATFORM_CPPFLAGS += -DLINUX_ROOT_RAIDED=$(LINUX_ROOT_RAIDED) -DMEM_ODT=$(MEM_ODT) -DPROBE_MEM_SIZE=$(PROBE_MEM_SIZE) -DNAS_VERSION=$(NAS_VERSION) -DFPGA=$(FPGA) -DFPGA_ARM_CLK=$(FPGA_ARM_CLK) -DINTERNAL_UART=$(INTERNAL_UART) -DUSE_EXTERNAL_UART=$(USE_EXTERNAL_UART) -DMEM_SIZE=$(MEM_SIZE) -DPLL400=$(PLL400) -DRPSCLK=$(RPSCLK) -DTEST_BRD=$(TEST_BRD) -DUSE_SATA=$(USE_SATA) -DUSE_SATA_ENV=$(USE_SATA_ENV) -DUSE_FLASH=$(USE_FLASH) -DUSE_LEON_TIME_COUNT=$(USE_LEON_TIME_COUNT) -DCONFIG_HIPOX_USE_NAND=$(USE_NAND)
+diff -Nurd u-boot-2009.03.orig/board/hipox/eth.c u-boot-2009.03/board/hipox/eth.c
+--- u-boot-2009.03.orig/board/hipox/eth.c 1970-01-01 01:00:00.000000000 +0100
++++ u-boot-2009.03/board/hipox/eth.c 2009-04-15 11:08:18.000000000 +0200
+@@ -0,0 +1,1668 @@
++/*
++ * (C) Copyright 2005
++ * Oxford Semiconductor Ltd
++ *
++ * See file CREDITS for list of people who contributed to this
++ * project.
++ *
++ * This program is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU General Public License as
++ * published by the Free Software Foundation; either version 2 of
++ * the License, or (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
++ * MA 02111-1307 USA
++ */
++
++#include <common.h>
++#include <malloc.h>
++#include <net.h>
++//#include <asm/barrier.h>
++
++#define wmb() asm volatile ("" : : :"memory")
++
++//#define DEBUG_GMAC_INIT
++
++// The number of bytes wasted at the start of a received packet buffer in order
++// to ensure the IP header will be aligned to a 32-bit boundary
++static const int ETHER_FRAME_ALIGN_WASTAGE = 2;
++static const int EXTRA_RX_SKB_SPACE = 32; // Otherwise GMAC spans over >1 skb
++static const int ETHER_MTU = 1500;
++
++static const u32 MAC_BASE_OFFSET = 0x0000;
++static const u32 DMA_BASE_OFFSET = 0x1000;
++
++static const int NUM_TX_DMA_DESCRIPTORS = 1;
++static const int NUM_RX_DMA_DESCRIPTORS = 32;
++
++/* Generic MII registers. */
++#define MII_BMCR 0x00 /* Basic mode control register */
++#define MII_BMSR 0x01 /* Basic mode status register */
++#define MII_PHYSID1 0x02 /* PHYS ID 1 */
++#define MII_PHYSID2 0x03 /* PHYS ID 2 */
++#define MII_ADVERTISE 0x04 /* Advertisement control reg */
++#define MII_LPA 0x05 /* Link partner ability reg */
++#define MII_EXPANSION 0x06 /* Expansion register */
++#define MII_CTRL1000 0x09 /* 1000BASE-T control */
++#define MII_STAT1000 0x0a /* 1000BASE-T status */
++#define MII_ESTATUS 0x0f /* Extended Status */
++
++/* Basic mode control register. */
++#define BMCR_RESV 0x003f /* Unused... */
++#define BMCR_SPEED1000 0x0040 /* MSB of Speed (1000) */
++#define BMCR_CTST 0x0080 /* Collision test */
++#define BMCR_FULLDPLX 0x0100 /* Full duplex */
++#define BMCR_ANRESTART 0x0200 /* Auto negotiation restart */
++#define BMCR_ISOLATE 0x0400 /* Disconnect DP83840 from MII */
++#define BMCR_PDOWN 0x0800 /* Powerdown the DP83840 */
++#define BMCR_ANENABLE 0x1000 /* Enable auto negotiation */
++#define BMCR_SPEED100 0x2000 /* Select 100Mbps */
++#define BMCR_LOOPBACK 0x4000 /* TXD loopback bits */
++#define BMCR_RESET 0x8000 /* Reset the DP83840 */
++
++/* Basic mode status register. */
++#define BMSR_ERCAP 0x0001 /* Ext-reg capability */
++#define BMSR_JCD 0x0002 /* Jabber detected */
++#define BMSR_LSTATUS 0x0004 /* Link status */
++#define BMSR_ANEGCAPABLE 0x0008 /* Able to do auto-negotiation */
++#define BMSR_RFAULT 0x0010 /* Remote fault detected */
++#define BMSR_ANEGCOMPLETE 0x0020 /* Auto-negotiation complete */
++#define BMSR_RESV 0x00c0 /* Unused... */
++#define BMSR_ESTATEN 0x0100 /* Extended Status in R15 */
++#define BMSR_100FULL2 0x0200 /* Can do 100BASE-T2 HDX */
++#define BMSR_100HALF2 0x0400 /* Can do 100BASE-T2 FDX */
++#define BMSR_10HALF 0x0800 /* Can do 10mbps, half-duplex */
++#define BMSR_10FULL 0x1000 /* Can do 10mbps, full-duplex */
++#define BMSR_100HALF 0x2000 /* Can do 100mbps, half-duplex */
++#define BMSR_100FULL 0x4000 /* Can do 100mbps, full-duplex */
++#define BMSR_100BASE4 0x8000 /* Can do 100mbps, 4k packets */
++
++/* 1000BASE-T Status register */
++#define LPA_1000LOCALRXOK 0x2000 /* Link partner local receiver status */
++#define LPA_1000REMRXOK 0x1000 /* Link partner remote receiver status */
++#define LPA_1000FULL 0x0800 /* Link partner 1000BASE-T full duplex */
++#define LPA_1000HALF 0x0400 /* Link partner 1000BASE-T half duplex */
++#define PHY_TYPE_NONE 0
++#define PHY_TYPE_MICREL_KS8721BL 0x00221619
++#define PHY_TYPE_VITESSE_VSC8201XVZ 0x000fc413
++#define PHY_TYPE_REALTEK_RTL8211BGR 0x001cc912
++#define PHY_TYPE_LSI_ET1011C 0x0282f013
++
++/* Specific PHY values */
++#define VSC8201_MII_ACSR 0x1c // Vitesse VCS8201 gigabit PHY Auxillary Control and Status register
++#define VSC8201_MII_ACSR_MDPPS_BIT 2 // Mode/Duplex Pin Priority Select
++
++#define ET1011C_MII_CONFIG 0x16
++#define ET1011C_MII_CONFIG_IFMODESEL 0
++#define ET1011C_MII_CONFIG_IFMODESEL_NUM_BITS 3
++#define ET1011C_MII_CONFIG_SYSCLKEN 4
++#define ET1011C_MII_CONFIG_TXCLKEN 5
++#define ET1011C_MII_CONFIG_TBI_RATESEL 8
++#define ET1011C_MII_CONFIG_CRS_TX_EN 15
++
++#define ET1011C_MII_CONFIG_IFMODESEL_GMII_MII 0
++#define ET1011C_MII_CONFIG_IFMODESEL_TBI 1
++#define ET1011C_MII_CONFIG_IFMODESEL_GMII_MII_GTX 2
++
++#define ET1011C_MII_LED2 0x1c
++#define ET1011C_MII_LED2_LED_TXRX 12
++#define ET1011C_MII_LED2_LED_NUM_BITS 4
++
++#define ET1011C_MII_LED2_LED_TXRX_ON 0xe
++#define ET1011C_MII_LED2_LED_TXRX_ACTIVITY 0x7
++
++// Some typedefs to cope with std Linux types
++typedef void sk_buff_t;
++
++// The in-memory descriptor structures
++typedef struct gmac_dma_desc
++{
++ /** The encoded status field of the GMAC descriptor */
++ u32 status;
++ /** The encoded length field of GMAC descriptor */
++ u32 length;
++ /** Buffer 1 pointer field of GMAC descriptor */
++ u32 buffer1;
++ /** Buffer 2 pointer or next descriptor pointer field of GMAC descriptor */
++ u32 buffer2;
++ /** Not used for U-Boot */
++ u32 skb;
++} __attribute ((packed)) gmac_dma_desc_t;
++
++typedef struct gmac_desc_list_info
++{
++ gmac_dma_desc_t* base_ptr;
++ int num_descriptors;
++ int empty_count;
++ int full_count;
++ int r_index;
++ int w_index;
++} gmac_desc_list_info_t;
++
++// Private data structure for the GMAC driver
++typedef struct gmac_priv
++{
++ /** Base address of GMAC MAC registers */
++ u32 macBase;
++ /** Base address of GMAC DMA registers */
++ u32 dmaBase;
++
++ /** The number of descriptors in the gmac_dma_desc_t array holding both the
++ * TX and RX descriptors. The TX descriptors reside at the start of the
++ * array */
++ unsigned total_num_descriptors;
++
++ /** The address of the start of the descriptor array */
++ gmac_dma_desc_t *desc_base_addr;
++
++ /** Descriptor list management */
++ gmac_desc_list_info_t tx_gmac_desc_list_info;
++ gmac_desc_list_info_t rx_gmac_desc_list_info;
++
++ /** PHY info */
++ u32 phy_type;
++ u32 phy_addr;
++ int phy_id;
++ int link_is_1000M;
++} gmac_priv_t;
++
++/**
++ * MAC register indices
++ */
++typedef enum gmac_mac_regs {
++ MAC_CONFIG_REG = 0,
++ MAC_FRAME_FILTER_REG = 1,
++ MAC_HASH_HIGH_REG = 2,
++ MAC_HASH_LOW_REG = 3,
++ MAC_GMII_ADR_REG = 4,
++ MAC_GMII_DATA_REG = 5,
++ MAC_FLOW_CNTL_REG = 6,
++ MAC_VLAN_TAG_REG = 7,
++ MAC_VERSION_REG = 8,
++ MAC_ADR0_HIGH_REG = 16,
++ MAC_ADR0_LOW_REG = 17,
++ MAC_ADR1_HIGH_REG = 18,
++ MAC_ADR1_LOW_REG = 19,
++ MAC_ADR2_HIGH_REG = 20,
++ MAC_ADR2_LOW_REG = 21,
++ MAC_ADR3_HIGH_REG = 22,
++ MAC_ADR3_LOW_REG = 23,
++ MAC_ADR4_HIGH_REG = 24,
++ MAC_ADR4_LOW_REG = 25,
++ MAC_ADR5_HIGH_REG = 26,
++ MAC_ADR5_LOW_REG = 27,
++ MAC_ADR6_HIGH_REG = 28,
++ MAC_ADR6_LOW_REG = 29,
++ MAC_ADR7_HIGH_REG = 30,
++ MAC_ADR7_LOW_REG = 31,
++ MAC_ADR8_HIGH_REG = 32,
++ MAC_ADR8_LOW_REG = 33,
++ MAC_ADR9_HIGH_REG = 34,
++ MAC_ADR9_LOW_REG = 35,
++ MAC_ADR10_HIGH_REG = 36,
++ MAC_ADR10_LOW_REG = 37,
++ MAC_ADR11_HIGH_REG = 38,
++ MAC_ADR11_LOW_REG = 39,
++ MAC_ADR12_HIGH_REG = 40,
++ MAC_ADR12_LOW_REG = 41,
++ MAC_ADR13_HIGH_REG = 42,
++ MAC_ADR13_LOW_REG = 43,
++ MAC_ADR14_HIGH_REG = 44,
++ MAC_ADR14_LOW_REG = 45,
++ MAC_ADR15_HIGH_REG = 46,
++ MAC_ADR15_LOW_REG = 47
++} gmac_mac_regs_t;
++
++
++/**
++ * MAC register field definitions
++ */
++typedef enum gmac_config_reg {
++ MAC_CONFIG_WD_BIT = 23,
++ MAC_CONFIG_JD_BIT = 22,
++ MAC_CONFIG_BE_BIT = 21,
++ MAC_CONFIG_JE_BIT = 20,
++ MAC_CONFIG_IFG_BIT = 17,
++ MAC_CONFIG_PS_BIT = 15,
++ MAC_CONFIG_DO_BIT = 13,
++ MAC_CONFIG_LM_BIT = 12,
++ MAC_CONFIG_DM_BIT = 11,
++ MAC_CONFIG_IPC_BIT = 10,
++ MAC_CONFIG_DR_BIT = 9,
++ MAC_CONFIG_ACS_BIT = 7,
++ MAC_CONFIG_BL_BIT = 5,
++ MAC_CONFIG_DC_BIT = 4,
++ MAC_CONFIG_TE_BIT = 3,
++ MAC_CONFIG_RE_BIT = 2
++} gmac_config_reg_t;
++
++#define MAC_CONFIG_IFG_NUM_BITS 3
++#define MAC_CONFIG_BL_NUM_BITS 2
++
++typedef enum gmac_frame_filter_reg {
++ MAC_FRAME_FILTER_RA_BIT = 31,
++ MAC_FRAME_FILTER_SAF_BIT = 9,
++ MAC_FRAME_FILTER_SAIF_BIT = 8,
++ MAC_FRAME_FILTER_PCF_BIT = 6,
++ MAC_FRAME_FILTER_DBF_BIT = 5,
++ MAC_FRAME_FILTER_PM_BIT = 4,
++ MAC_FRAME_FILTER_DAIF_BIT = 3,
++ MAC_FRAME_FILTER_HMC_BIT = 2,
++ MAC_FRAME_FILTER_HUC_BIT = 1,
++ MAC_FRAME_FILTER_PR_BIT = 0
++} gmac_frame_filter_reg_t;
++
++#define MAC_FRAME_FILTER_PCF_NUM_BITS 2
++
++typedef enum gmac_hash_table_high_reg {
++ MAC_HASH_HIGH_HTH_BIT = 0
++} gmac_hash_table_high_reg_t;
++
++typedef enum gmac_hash_table_low_reg {
++ MAC_HASH_LOW_HTL_BIT = 0
++} gmac_hash_table_low_reg_t;
++
++typedef enum gmac_gmii_address_reg {
++ MAC_GMII_ADR_PA_BIT = 11,
++ MAC_GMII_ADR_GR_BIT = 6,
++ MAC_GMII_ADR_CR_BIT = 2,
++ MAC_GMII_ADR_GW_BIT = 1,
++ MAC_GMII_ADR_GB_BIT = 0
++} gmac_gmii_address_reg_t;
++
++#define MAC_GMII_ADR_PA_NUM_BITS 5
++#define MAC_GMII_ADR_GR_NUM_BITS 5
++#define MAC_GMII_ADR_CR_NUM_BITS 3
++
++typedef enum gmac_gmii_data_reg {
++ MAC_GMII_DATA_GD_BIT = 0
++} gmac_gmii_data_reg_t;
++
++#define MAC_GMII_DATA_GD_NUM_BITS 16
++
++typedef enum gmac_flow_control_reg {
++ MAC_FLOW_CNTL_PT_BIT = 16,
++ MAC_FLOW_CNTL_PLT_BIT = 4,
++ MAC_FLOW_CNTL_UP_BIT = 3,
++ MAC_FLOW_CNTL_RFE_BIT = 2,
++ MAC_FLOW_CNTL_TFE_BIT = 1,
++ MAC_FLOW_CNTL_FCB_BPA_BIT = 0
++} gmac_flow_control_reg_t;
++
++#define MAC_FLOW_CNTL_PT_NUM_BITS 16
++#define MAC_FLOW_CNTL_PLT_NUM_BITS 2
++
++typedef enum gmac_vlan_tag_reg {
++ MAC_VLAN_TAG_LV_BIT = 0
++} gmac_vlan_tag_reg_t;
++
++#define MAC_VLAN_TAG_LV_NUM_BITS 16
++
++typedef enum gmac_version_reg {
++ MAC_VERSION_UD_BIT = 8,
++ MAC_VERSION_SD_BIT = 0
++} gmac_version_reg_t;
++
++#define MAC_VERSION_UD_NUM_BITS 8
++#define MAC_VERSION_SD_NUM_BITS 8
++
++typedef enum gmac_mac_adr_0_high_reg {
++ MAC_ADR0_HIGH_MO_BIT = 31,
++ MAC_ADR0_HIGH_A_BIT = 0
++} gmac_mac_adr_0_high_reg_t;
++
++#define MAC_ADR0_HIGH_A_NUM_BITS 16
++
++typedef enum gmac_mac_adr_0_low_reg {
++ MAC_ADR0_LOW_A_BIT = 0
++} gmac_mac_adr_0_low_reg_t;
++
++typedef enum gmac_mac_adr_1_high_reg {
++ MAC_ADR1_HIGH_AE_BIT = 31,
++ MAC_ADR1_HIGH_SA_BIT = 30,
++ MAC_ADR1_HIGH_MBC_BIT = 24,
++ MAC_ADR1_HIGH_A_BIT = 0
++} gmac_mac_adr_1_high_reg_t;
++
++#define MAC_ADR1_HIGH_MBC_NUM_BITS 6
++#define MAC_ADR1_HIGH_A_NUM_BITS 16
++
++typedef enum gmac_mac_adr_1_low_reg {
++ MAC_ADR1_LOW_A_BIT = 0
++} gmac_mac_adr_1_low_reg_t;
++
++
++/**
++ * MMC register indices - registers accessed via the MAC accessor functions
++ */
++typedef enum gmac_mmc_regs {
++ MMC_CONTROL_REG = 64,
++ MMC_RX_INT_REG = 65,
++ MMC_TX_INT_REG = 66,
++ MMC_RX_MASK_REG = 67,
++ MMC_TX_MASK_REG = 68
++} gmac_mmc_regs_t;
++
++/**
++ * DMA register indices
++ */
++typedef enum gmac_dma_regs {
++ DMA_BUS_MODE_REG = 0,
++ DMA_TX_POLL_REG = 1,
++ DMA_RX_POLL_REG = 2,
++ DMA_RX_DESC_ADR_REG = 3,
++ DMA_TX_DESC_ADR_REG = 4,
++ DMA_STATUS_REG = 5,
++ DMA_OP_MODE_REG = 6,
++ DMA_INT_ENABLE_REG = 7,
++ DMA_MISSED_OVERFLOW_REG = 8,
++ DMA_CUR_TX_DESC_REG = 18,
++ DMA_CUR_RX_DESC_REG = 19,
++ DMA_CUR_TX_ADR_REG = 20,
++ DMA_CUR_RX_ADR_REG = 21
++} gmac_dma_regs_t;
++
++/**
++ * DMA register field definitions
++ */
++
++typedef enum gmac_dma_bus_mode_reg {
++ DMA_BUS_MODE_FB_BIT = 16,
++ DMA_BUS_MODE_PR_BIT = 14,
++ DMA_BUS_MODE_PBL_BIT = 8,
++ DMA_BUS_MODE_DSL_BIT = 2,
++ DMA_BUS_MODE_DA_BIT = 1,
++ DMA_BUS_MODE_SWR_BIT = 0
++} gmac_dma_bus_mode_reg_t;
++
++#define DMA_BUS_MODE_PR_NUM_BITS 2
++#define DMA_BUS_MODE_PBL_NUM_BITS 6
++#define DMA_BUS_MODE_DSL_NUM_BITS 5
++
++typedef enum gmac_dma_tx_poll_demand_reg {
++ DMA_TX_POLL_TPD_BIT = 0
++} gmac_dma_tx_poll_demand_reg_t;
++
++typedef enum gmac_dma_rx_poll_demand_reg {
++ DMA_RX_POLL_RPD_BIT = 0
++} gmac_dma_rx_poll_demand_reg_t;
++
++typedef enum gmac_dma_rx_desc_list_adr_reg {
++ DMA_RX_DESC_ADR_SRL_BIT = 0
++} gmac_dma_rx_desc_list_adr_reg_t;
++
++typedef enum gmac_dma_tx_desc_list_adr_reg {
++ DMA_TX_DESC_ADR_STL_BIT = 0
++} gmac_dma_tx_desc_list_adr_reg_t;
++
++typedef enum gmac_dma_status_reg {
++ DMA_STATUS_GPI_BIT = 28,
++ DMA_STATUS_GMI_BIT = 27,
++ DMA_STATUS_GLI_BIT = 26,
++ DMA_STATUS_EB_BIT = 23,
++ DMA_STATUS_TS_BIT = 20,
++ DMA_STATUS_RS_BIT = 17,
++ DMA_STATUS_NIS_BIT = 16,
++ DMA_STATUS_AIS_BIT = 15,
++ DMA_STATUS_ERI_BIT = 14,
++ DMA_STATUS_FBE_BIT = 13,
++ DMA_STATUS_ETI_BIT = 10,
++ DMA_STATUS_RWT_BIT = 9,
++ DMA_STATUS_RPS_BIT = 8,
++ DMA_STATUS_RU_BIT = 7,
++ DMA_STATUS_RI_BIT = 6,
++ DMA_STATUS_UNF_BIT = 5,
++ DMA_STATUS_OVF_BIT = 4,
++ DMA_STATUS_TJT_BIT = 3,
++ DMA_STATUS_TU_BIT = 2,
++ DMA_STATUS_TPS_BIT = 1,
++ DMA_STATUS_TI_BIT = 0
++} gmac_dma_status_reg_t;
++
++#define DMA_STATUS_EB_NUM_BITS 3
++#define DMA_STATUS_TS_NUM_BITS 3
++#define DMA_STATUS_RS_NUM_BITS 3
++
++typedef enum gmac_dma_op_mode_reg {
++ DMA_OP_MODE_SF_BIT = 21,
++ DMA_OP_MODE_FTF_BIT = 20,
++ DMA_OP_MODE_TTC_BIT = 14,
++ DMA_OP_MODE_ST_BIT = 13,
++ DMA_OP_MODE_RFD_BIT = 11,
++ DMA_OP_MODE_RFA_BIT = 9,
++ DMA_OP_MODE_EFC_BIT = 8,
++ DMA_OP_MODE_FEF_BIT = 7,
++ DMA_OP_MODE_FUF_BIT = 6,
++ DMA_OP_MODE_RTC_BIT = 3,
++ DMA_OP_MODE_OSF_BIT = 2,
++ DMA_OP_MODE_SR_BIT = 1
++} gmac_dma_op_mode_reg_t;
++
++#define DMA_OP_MODE_TTC_NUM_BITS 3
++#define DMA_OP_MODE_RFD_NUM_BITS 2
++#define DMA_OP_MODE_RFA_NUM_BITS 2
++#define DMA_OP_MODE_RTC_NUM_BITS 2
++
++typedef enum gmac_dma_intr_enable_reg {
++ DMA_INT_ENABLE_NI_BIT = 16,
++ DMA_INT_ENABLE_AI_BIT = 15,
++ DMA_INT_ENABLE_ERE_BIT = 14,
++ DMA_INT_ENABLE_FBE_BIT = 13,
++ DMA_INT_ENABLE_ETE_BIT = 10,
++ DMA_INT_ENABLE_RW_BIT = 9,
++ DMA_INT_ENABLE_RS_BIT = 8,
++ DMA_INT_ENABLE_RU_BIT = 7,
++ DMA_INT_ENABLE_RI_BIT = 6,
++ DMA_INT_ENABLE_UN_BIT = 5,
++ DMA_INT_ENABLE_OV_BIT = 4,
++ DMA_INT_ENABLE_TJ_BIT = 3,
++ DMA_INT_ENABLE_TU_BIT = 2,
++ DMA_INT_ENABLE_TS_BIT = 1,
++ DMA_INT_ENABLE_TI_BIT = 0
++} gmac_dma_intr_enable_reg_t;
++
++typedef enum gmac_dma_missed_overflow_reg {
++ DMA_MISSED_OVERFLOW_OFOC_BIT = 28, // Overflow bit for FIFO Overflow Counter
++ DMA_MISSED_OVERFLOW_AMFC_BIT = 17, // Application Missed Frames Count
++ DMA_MISSED_OVERFLOW_OAMFO_BIT = 16, // Overflow bit for Application Missed Frames Count
++ DMA_MISSED_OVERFLOW_CMFC_BIT = 0 // Controller Missed Frames Count
++} gmac_dma_missed_overflow_reg_t;
++
++#define DMA_MISSED_OVERFLOW_OAMFO_NUM_BITS 11
++#define DMA_MISSED_OVERFLOW_CMFC_NUM_BITS 16
++
++typedef enum gmac_dma_current_tx_desc_reg {
++ DMA_CUR_TX_DESC_A_BIT = 0
++} gmac_dma_current_tx_desc_reg_t;
++
++typedef enum gmac_dma_current_rx_desc_reg {
++ DMA_CUR_RX_DESC_A_BIT = 0
++} gmac_dma_current_rx_desc_reg_t;
++
++typedef enum gmac_dma_current_tx_adr_reg {
++ DMA_CUR_TX_ADR_A_BIT = 0
++} gmac_dma_current_tx_adr_reg_t;
++
++typedef enum gmac_dma_current_rx_adr_reg {
++ DMA_CUR_RX_ADR_A_BIT = 0
++} gmac_dma_current_rx_adr_reg_t;
++
++/**
++ * Descriptor support
++ */
++/** Descriptor status word field definitions */
++typedef enum desc_status {
++ descOwnByDma = 0x80000000, /* descriptor is owned by DMA engine */
++
++ descFrameLengthMask = 0x3FFF0000, /* Receive descriptor frame length */
++ descFrameLengthShift = 16,
++
++ descError = 0x00008000, /* Error summary bit - OR of the following bits: v */
++
++ descRxTruncated = 0x00004000, /* Rx - no more descriptors for receive frame E */
++
++ descRxLengthError = 0x00001000, /* Rx - frame size not matching with length field */
++ descRxDamaged = 0x00000800, /* Rx - frame was damaged due to buffer overflow E */
++ descRxFirst = 0x00000200, /* Rx - first descriptor of the frame */
++ descRxLast = 0x00000100, /* Rx - last descriptor of the frame */
++ descRxLongFrame = 0x00000080, /* Rx - frame is longer than 1518 bytes E */
++ descRxCollision = 0x00000040, /* Rx - late collision occurred during reception E */
++ descRxFrameEther = 0x00000020, /* Rx - Frame type - Ethernet, otherwise 802.3 */
++ descRxWatchdog = 0x00000010, /* Rx - watchdog timer expired during reception E */
++ descRxMiiError = 0x00000008, /* Rx - error reported by MII interface E */
++ descRxDribbling = 0x00000004, /* Rx - frame contains noninteger multiple of 8 bits */
++ descRxCrc = 0x00000002, /* Rx - CRC error E */
++
++ descTxTimeout = 0x00004000, /* Tx - Transmit jabber timeout E */
++ descTxLostCarrier = 0x00000800, /* Tx - carrier lost during tramsmission E */
++ descTxNoCarrier = 0x00000400, /* Tx - no carrier signal from the tranceiver E */
++ descTxLateCollision = 0x00000200, /* Tx - transmission aborted due to collision E */
++ descTxExcCollisions = 0x00000100, /* Tx - transmission aborted after 16 collisions E */
++ descTxVLANFrame = 0x00000080, /* Tx - VLAN-type frame */
++ descTxCollMask = 0x00000078, /* Tx - Collision count */
++ descTxCollShift = 3,
++ descTxExcDeferral = 0x00000004, /* Tx - excessive deferral E */
++ descTxUnderflow = 0x00000002, /* Tx - late data arrival from the memory E */
++ descTxDeferred = 0x00000001, /* Tx - frame transmision deferred */
++} desc_status_t;
++
++/** Descriptor length word field definitions */
++typedef enum desc_length {
++ descTxIntEnable = 0x80000000, /* Tx - interrupt on completion */
++ descTxLast = 0x40000000, /* Tx - Last segment of the frame */
++ descTxFirst = 0x20000000, /* Tx - First segment of the frame */
++ descTxDisableCrc = 0x04000000, /* Tx - Add CRC disabled (first segment only) */
++
++ descEndOfRing = 0x02000000, /* End of descriptors ring */
++ descChain = 0x01000000, /* Second buffer address is chain address */
++ descTxDisablePadd = 0x00800000, /* disable padding, added by - reyaz */
++
++ descSize2Mask = 0x003FF800, /* Buffer 2 size */
++ descSize2Shift = 11,
++ descSize1Mask = 0x000007FF, /* Buffer 1 size */
++ descSize1Shift = 0,
++} desc_length_t;
++
++typedef enum rx_desc_status {
++ RX_DESC_STATUS_OWN_BIT = 31,
++ RX_DESC_STATUS_AFM_BIT = 30,
++ RX_DESC_STATUS_FL_BIT = 16,
++ RX_DESC_STATUS_ES_BIT = 15,
++ RX_DESC_STATUS_DE_BIT = 14,
++ RX_DESC_STATUS_SAF_BIT = 13,
++ RX_DESC_STATUS_LE_BIT = 12,
++ RX_DESC_STATUS_OE_BIT = 11,
++ RX_DESC_STATUS_IPC_BIT = 10,
++ RX_DESC_STATUS_FS_BIT = 9,
++ RX_DESC_STATUS_LS_BIT = 8,
++ RX_DESC_STATUS_VLAN_BIT = 7,
++ RX_DESC_STATUS_LC_BIT = 6,
++ RX_DESC_STATUS_FT_BIT = 5,
++ RX_DESC_STATUS_RWT_BIT = 4,
++ RX_DESC_STATUS_RE_BIT = 3,
++ RX_DESC_STATUS_DRE_BIT = 2,
++ RX_DESC_STATUS_CE_BIT = 1,
++ RX_DESC_STATUS_MAC_BIT = 0
++} rx_desc_status_t;
++
++#define RX_DESC_STATUS_FL_NUM_BITS 14
++
++typedef enum rx_desc_length {
++ RX_DESC_LENGTH_DIC_BIT = 31,
++ RX_DESC_LENGTH_RER_BIT = 25,
++ RX_DESC_LENGTH_RCH_BIT = 24,
++ RX_DESC_LENGTH_RBS2_BIT = 11,
++ RX_DESC_LENGTH_RBS1_BIT = 0,
++} rx_desc_length_t;
++
++#define RX_DESC_LENGTH_RBS2_NUM_BITS 11
++#define RX_DESC_LENGTH_RBS1_NUM_BITS 11
++
++typedef enum tx_desc_status {
++ TX_DESC_STATUS_OWN_BIT = 31,
++ TX_DESC_STATUS_ES_BIT = 15,
++ TX_DESC_STATUS_JT_BIT = 14,
++ TX_DESC_STATUS_FF_BIT = 13,
++ TX_DESC_STATUS_LOC_BIT = 11,
++ TX_DESC_STATUS_NC_BIT = 10,
++ TX_DESC_STATUS_LC_BIT = 9,
++ TX_DESC_STATUS_EC_BIT = 8,
++ TX_DESC_STATUS_VF_BIT = 7,
++ TX_DESC_STATUS_CC_BIT = 3,
++ TX_DESC_STATUS_ED_BIT = 2,
++ TX_DESC_STATUS_UF_BIT = 1,
++ TX_DESC_STATUS_DB_BIT = 0
++} tx_desc_status_t;
++
++#define TX_DESC_STATUS_CC_NUM_BITS 4
++
++typedef enum tx_desc_length {
++ TX_DESC_LENGTH_IC_BIT = 31,
++ TX_DESC_LENGTH_LS_BIT = 30,
++ TX_DESC_LENGTH_FS_BIT = 29,
++ TX_DESC_LENGTH_DC_BIT = 26,
++ TX_DESC_LENGTH_TER_BIT = 25,
++ TX_DESC_LENGTH_TCH_BIT = 24,
++ TX_DESC_LENGTH_DP_BIT = 23,
++ TX_DESC_LENGTH_TBS2_BIT = 11,
++ TX_DESC_LENGTH_TBS1_BIT = 0
++} tx_desc_length_t;
++
++#define TX_DESC_LENGTH_TBS2_NUM_BITS 11
++#define TX_DESC_LENGTH_TBS1_NUM_BITS 11
++
++/** Return the number of descriptors available for the CPU to fill with new
++ * packet info */
++static inline int available_for_write(gmac_desc_list_info_t* desc_list)
++{
++ return desc_list->empty_count;
++}
++
++/** Return non-zero if there is a descriptor available with a packet with which
++ * the GMAC DMA has finished */
++static inline int tx_available_for_read(gmac_desc_list_info_t* desc_list)
++{
++ return desc_list->full_count &&
++ !((desc_list->base_ptr + desc_list->r_index)->status & (1UL << TX_DESC_STATUS_OWN_BIT));
++}
++
++/** Return non-zero if there is a descriptor available with a packet with which
++ * the GMAC DMA has finished */
++static inline int rx_available_for_read(gmac_desc_list_info_t* desc_list)
++{
++ return desc_list->full_count &&
++ !((desc_list->base_ptr + desc_list->r_index)->status & (1UL << RX_DESC_STATUS_OWN_BIT));
++}
++
++/**
++ * @param A u32 containing the status from a received frame's DMA descriptor
++ * @return An int which is non-zero if a valid received frame is fully contained
++ * within the descriptor from whence the status came
++ */
++static inline int is_rx_valid(u32 status)
++{
++ return !(status & descError) &&
++ (status & descRxFirst) &&
++ (status & descRxLast);
++}
++
++static inline int is_rx_dribbling(u32 status)
++{
++ return status & descRxDribbling;
++}
++
++static inline u32 get_rx_length(u32 status)
++{
++ return (status & descFrameLengthMask) >> descFrameLengthShift;
++}
++
++static inline int is_rx_collision_error(u32 status)
++{
++ return status & (descRxDamaged | descRxCollision);
++}
++
++static inline int is_rx_crc_error(u32 status)
++{
++ return status & descRxCrc;
++}
++
++static inline int is_rx_frame_error(u32 status)
++{
++ return status & descRxDribbling;
++}
++
++static inline int is_rx_length_error(u32 status)
++{
++ return status & descRxLengthError;
++}
++
++static inline int is_rx_long_frame(u32 status)
++{
++ return status & descRxLongFrame;
++}
++
++static inline int is_tx_valid(u32 status)
++{
++ return !(status & descError);
++}
++
++static inline int is_tx_collision_error(u32 status)
++{
++ return (status & descTxCollMask) >> descTxCollShift;
++}
++
++static inline int is_tx_aborted(u32 status)
++{
++ return status & (descTxLateCollision | descTxExcCollisions);
++}
++
++static inline int is_tx_carrier_error(u32 status)
++{
++ return status & (descTxLostCarrier | descTxNoCarrier);
++}
++
++/**
++ * GMAC private metadata
++ */
++static gmac_priv_t priv_data;
++static gmac_priv_t* priv = &priv_data;
++
++/**
++ * Descriptor list management
++ */
++
++static void init_rx_descriptor(
++ gmac_dma_desc_t* desc,
++ int end_of_ring,
++ int disable_ioc)
++{
++ desc->status = 0;
++ desc->length = 0;
++ if (disable_ioc) {
++ desc->length |= (1UL << RX_DESC_LENGTH_DIC_BIT);
++ }
++ if (end_of_ring) {
++ desc->length |= (1UL << RX_DESC_LENGTH_RER_BIT);
++ }
++ desc->buffer1 = 0;
++ desc->buffer2 = 0;
++ desc->skb = 0;
++}
++
++static void init_tx_descriptor(
++ gmac_dma_desc_t* desc,
++ int end_of_ring,
++ int enable_ioc,
++ int disable_crc,
++ int disable_padding)
++{
++ desc->status = 0;
++ desc->length = 0;
++ if (enable_ioc) {
++ desc->length |= (1UL << TX_DESC_LENGTH_IC_BIT);
++ }
++ if (disable_crc) {
++ desc->length |= (1UL << TX_DESC_LENGTH_DC_BIT);
++ }
++ if (disable_padding) {
++ desc->length |= (1UL << TX_DESC_LENGTH_DP_BIT);
++ }
++ if (end_of_ring) {
++ desc->length |= (1UL << TX_DESC_LENGTH_TER_BIT);
++ }
++ desc->buffer1 = 0;
++ desc->buffer2 = 0;
++ desc->skb = 0;
++}
++
++static void init_rx_desc_list(
++ gmac_desc_list_info_t* desc_list,
++ gmac_dma_desc_t* base_ptr,
++ int num_descriptors)
++{
++ int i;
++
++ desc_list->base_ptr = base_ptr;
++ desc_list->num_descriptors = num_descriptors;
++ desc_list->empty_count = num_descriptors;
++ desc_list->full_count = 0;
++ desc_list->r_index = 0;
++ desc_list->w_index = 0;
++
++ for (i=0; i < (num_descriptors - 1); i++) {
++ init_rx_descriptor(base_ptr + i, 0, 0);
++ }
++ init_rx_descriptor(base_ptr + i, 1, 0);
++}
++
++static void init_tx_desc_list(
++ gmac_desc_list_info_t* desc_list,
++ gmac_dma_desc_t* base_ptr,
++ int num_descriptors)
++{
++ int i;
++
++ desc_list->base_ptr = base_ptr;
++ desc_list->num_descriptors = num_descriptors;
++ desc_list->empty_count = num_descriptors;
++ desc_list->full_count = 0;
++ desc_list->r_index = 0;
++ desc_list->w_index = 0;
++
++ for (i=0; i < (num_descriptors - 1); i++) {
++ init_tx_descriptor(base_ptr + i, 0, 1, 0, 0);
++ }
++ init_tx_descriptor(base_ptr + i, 1, 1, 0, 0);
++}
++
++static void rx_take_ownership(gmac_desc_list_info_t* desc_list)
++{
++ int i;
++ for (i=0; i < desc_list->num_descriptors; i++) {
++ (desc_list->base_ptr + i)->status &= ~(1UL << RX_DESC_STATUS_OWN_BIT);
++ }
++}
++
++static void tx_take_ownership(gmac_desc_list_info_t* desc_list)
++{
++ int i;
++ for (i=0; i < desc_list->num_descriptors; i++) {
++ (desc_list->base_ptr + i)->status &= ~(1UL << TX_DESC_STATUS_OWN_BIT);
++ }
++}
++
++static int set_tx_descriptor(
++ gmac_priv_t* priv,
++ dma_addr_t dma_address,
++ u32 length,
++ sk_buff_t* skb)
++{
++ int index;
++ gmac_dma_desc_t* tx;
++
++ // Are sufficicent descriptors available for writing by the CPU?
++ if (!available_for_write(&priv->tx_gmac_desc_list_info)) {
++ return -1;
++ }
++
++ // Get the index of the next TX descriptor available for writing by the CPU
++ index = priv->tx_gmac_desc_list_info.w_index;
++
++ // Get a pointer to the next TX descriptor available for writing by the CPU
++ tx = priv->tx_gmac_desc_list_info.base_ptr + index;
++
++ // Initialise the TX descriptor length field for the passed single buffer,
++ // without destroying any fields we wish to be persistent
++
++ // No chained second buffer
++ tx->length &= ~(1UL << TX_DESC_LENGTH_TCH_BIT);
++ // Single descriptor holds entire packet
++ tx->length |= ((1UL << TX_DESC_LENGTH_LS_BIT) | (1UL << TX_DESC_LENGTH_FS_BIT));
++ // Zero the second buffer length field
++ tx->length &= ~(((1UL << TX_DESC_LENGTH_TBS2_NUM_BITS) - 1) << TX_DESC_LENGTH_TBS2_BIT);
++ // Zero the first buffer length field
++ tx->length &= ~(((1UL << TX_DESC_LENGTH_TBS1_NUM_BITS) - 1) << TX_DESC_LENGTH_TBS1_BIT);
++ // Fill in the first buffer length
++ tx->length |= (length << TX_DESC_LENGTH_TBS1_BIT);
++
++ // Initialise the first buffer pointer to the single passed buffer
++ tx->buffer1 = dma_address;
++
++ // Remember the socket buffer associated with the single passed buffer
++ tx->skb = (u32)skb;
++
++ // Update the index of the next descriptor available for writing by the CPU
++ priv->tx_gmac_desc_list_info.w_index = (tx->length & (1UL << TX_DESC_LENGTH_TER_BIT)) ? 0 : index + 1;
++
++ // make sure all memory updates are complete before releasing the GMAC on the data.
++ wmb();
++
++ // Hand TX descriptor to the GMAC DMA by setting the status bit.
++ tx->status = (1UL << TX_DESC_STATUS_OWN_BIT);
++
++ // Account for the number of descriptors used to hold the new packet
++ --priv->tx_gmac_desc_list_info.empty_count;
++ ++priv->tx_gmac_desc_list_info.full_count;
++
++ return index;
++}
++
++static int get_tx_descriptor(
++ gmac_priv_t* priv,
++ u32* status,
++ dma_addr_t* dma_address,
++ u32* length,
++ sk_buff_t** skb)
++{
++ int index;
++ gmac_dma_desc_t *tx;
++
++ // Is there at least one descriptor with which the GMAC DMA has finished?
++ if (!tx_available_for_read(&priv->tx_gmac_desc_list_info)) {
++ return -1;
++ }
++
++ // Get the index of the descriptor released the longest time ago by the
++ // GMAC DMA
++ index = priv->tx_gmac_desc_list_info.r_index;
++
++ /