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@@ -8,91 +8,44 @@
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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-#include <config.h>
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#include <common.h>
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-#include <malloc.h>
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+#include <dm.h>
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+#include <errno.h>
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+#include <fdt_support.h>
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+#include <memalign.h>
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+#include <miiphy.h>
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#include <net.h>
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-#include <command.h>
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#include <asm/cache.h>
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#include <asm/dma-mapping.h>
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-#include <miiphy.h>
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+#include <asm/io.h>
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#include "altera_tse.h"
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-/* sgdma debug - print descriptor */
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-static void alt_sgdma_print_desc(volatile struct alt_sgdma_descriptor *desc)
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-{
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- debug("SGDMA DEBUG :\n");
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- debug("desc->source : 0x%x \n", (unsigned int)desc->source);
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- debug("desc->destination : 0x%x \n", (unsigned int)desc->destination);
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- debug("desc->next : 0x%x \n", (unsigned int)desc->next);
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- debug("desc->source_pad : 0x%x \n", (unsigned int)desc->source_pad);
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- debug("desc->destination_pad : 0x%x \n",
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- (unsigned int)desc->destination_pad);
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- debug("desc->next_pad : 0x%x \n", (unsigned int)desc->next_pad);
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- debug("desc->bytes_to_transfer : 0x%x \n",
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- (unsigned int)desc->bytes_to_transfer);
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- debug("desc->actual_bytes_transferred : 0x%x \n",
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- (unsigned int)desc->actual_bytes_transferred);
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- debug("desc->descriptor_status : 0x%x \n",
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- (unsigned int)desc->descriptor_status);
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- debug("desc->descriptor_control : 0x%x \n",
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- (unsigned int)desc->descriptor_control);
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-}
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+DECLARE_GLOBAL_DATA_PTR;
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-/* This is a generic routine that the SGDMA mode-specific routines
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- * call to populate a descriptor.
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- * arg1 :pointer to first SGDMA descriptor.
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- * arg2 :pointer to next SGDMA descriptor.
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- * arg3 :Address to where data to be written.
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- * arg4 :Address from where data to be read.
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- * arg5 :no of byte to transaction.
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- * arg6 :variable indicating to generate start of packet or not
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- * arg7 :read fixed
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- * arg8 :write fixed
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- * arg9 :read burst
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- * arg10 :write burst
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- * arg11 :atlantic_channel number
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- */
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-static void alt_sgdma_construct_descriptor_burst(
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- volatile struct alt_sgdma_descriptor *desc,
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- volatile struct alt_sgdma_descriptor *next,
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- unsigned int *read_addr,
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- unsigned int *write_addr,
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+static inline void alt_sgdma_construct_descriptor(
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+ struct alt_sgdma_descriptor *desc,
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+ struct alt_sgdma_descriptor *next,
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+ void *read_addr,
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+ void *write_addr,
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unsigned short length_or_eop,
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int generate_eop,
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int read_fixed,
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- int write_fixed_or_sop,
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- int read_burst,
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- int write_burst,
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- unsigned char atlantic_channel)
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+ int write_fixed_or_sop)
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{
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+ unsigned char val;
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+
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/*
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* Mark the "next" descriptor as "not" owned by hardware. This prevents
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- * The SGDMA controller from continuing to process the chain. This is
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- * done as a single IO write to bypass cache, without flushing
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- * the entire descriptor, since only the 8-bit descriptor status must
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- * be flushed.
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+ * The SGDMA controller from continuing to process the chain.
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*/
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- if (!next)
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- debug("Next descriptor not defined!!\n");
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-
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- next->descriptor_control = (next->descriptor_control &
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- ~ALT_SGDMA_DESCRIPTOR_CONTROL_OWNED_BY_HW_MSK);
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-
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- desc->source = (unsigned int *)((unsigned int)read_addr & 0x1FFFFFFF);
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- desc->destination =
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- (unsigned int *)((unsigned int)write_addr & 0x1FFFFFFF);
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- desc->next = (unsigned int *)((unsigned int)next & 0x1FFFFFFF);
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- desc->source_pad = 0x0;
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- desc->destination_pad = 0x0;
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- desc->next_pad = 0x0;
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- desc->bytes_to_transfer = length_or_eop;
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- desc->actual_bytes_transferred = 0;
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- desc->descriptor_status = 0x0;
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+ next->descriptor_control = next->descriptor_control &
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+ ~ALT_SGDMA_DESCRIPTOR_CONTROL_OWNED_BY_HW_MSK;
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- /* SGDMA burst not currently supported */
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- desc->read_burst = 0;
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- desc->write_burst = 0;
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+ memset(desc, 0, sizeof(struct alt_sgdma_descriptor));
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+ desc->source = virt_to_phys(read_addr);
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+ desc->destination = virt_to_phys(write_addr);
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+ desc->next = virt_to_phys(next);
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+ desc->bytes_to_transfer = length_or_eop;
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/*
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* Set the descriptor control block as follows:
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@@ -108,108 +61,49 @@ static void alt_sgdma_construct_descriptor_burst(
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* pointing at this descriptor, it will not run (via the "owned by
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* hardware" bit) until all other descriptor has been set up.
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*/
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-
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- desc->descriptor_control =
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- ((ALT_SGDMA_DESCRIPTOR_CONTROL_OWNED_BY_HW_MSK) |
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- (generate_eop ?
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- ALT_SGDMA_DESCRIPTOR_CONTROL_GENERATE_EOP_MSK : 0x0) |
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- (read_fixed ?
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- ALT_SGDMA_DESCRIPTOR_CONTROL_READ_FIXED_ADDRESS_MSK : 0x0) |
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- (write_fixed_or_sop ?
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- ALT_SGDMA_DESCRIPTOR_CONTROL_WRITE_FIXED_ADDRESS_MSK : 0x0) |
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- (atlantic_channel ? ((atlantic_channel & 0x0F) << 3) : 0)
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- );
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+ val = ALT_SGDMA_DESCRIPTOR_CONTROL_OWNED_BY_HW_MSK;
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+ if (generate_eop)
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+ val |= ALT_SGDMA_DESCRIPTOR_CONTROL_GENERATE_EOP_MSK;
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+ if (read_fixed)
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+ val |= ALT_SGDMA_DESCRIPTOR_CONTROL_READ_FIXED_ADDRESS_MSK;
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+ if (write_fixed_or_sop)
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+ val |= ALT_SGDMA_DESCRIPTOR_CONTROL_WRITE_FIXED_ADDRESS_MSK;
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+ desc->descriptor_control = val;
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}
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-static int alt_sgdma_do_sync_transfer(volatile struct alt_sgdma_registers *dev,
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- volatile struct alt_sgdma_descriptor *desc)
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+static int alt_sgdma_wait_transfer(struct alt_sgdma_registers *regs)
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{
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- unsigned int status;
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- int counter = 0;
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-
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- /* Wait for any pending transfers to complete */
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- alt_sgdma_print_desc(desc);
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- status = dev->status;
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+ int status;
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+ ulong ctime;
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- counter = 0;
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- while (dev->status & ALT_SGDMA_STATUS_BUSY_MSK) {
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- if (counter++ > ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
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+ /* Wait for the descriptor (chain) to complete */
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+ ctime = get_timer(0);
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+ while (1) {
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+ status = readl(®s->status);
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+ if (!(status & ALT_SGDMA_STATUS_BUSY_MSK))
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+ break;
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+ if (get_timer(ctime) > ALT_TSE_SGDMA_BUSY_TIMEOUT) {
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+ status = -ETIMEDOUT;
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+ debug("sgdma timeout\n");
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break;
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+ }
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}
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- if (counter >= ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
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- debug("Timeout waiting sgdma in do sync!\n");
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-
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- /*
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- * Clear any (previous) status register information
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- * that might occlude our error checking later.
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- */
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- dev->status = 0xFF;
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-
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- /* Point the controller at the descriptor */
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- dev->next_descriptor_pointer = (unsigned int)desc & 0x1FFFFFFF;
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- debug("next desc in sgdma 0x%x\n",
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- (unsigned int)dev->next_descriptor_pointer);
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-
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- /*
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- * Set up SGDMA controller to:
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- * - Disable interrupt generation
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- * - Run once a valid descriptor is written to controller
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- * - Stop on an error with any particular descriptor
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- */
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- dev->control = (ALT_SGDMA_CONTROL_RUN_MSK |
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- ALT_SGDMA_CONTROL_STOP_DMA_ER_MSK);
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-
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- /* Wait for the descriptor (chain) to complete */
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- status = dev->status;
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- debug("wait for sgdma....");
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- while (dev->status & ALT_SGDMA_STATUS_BUSY_MSK)
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- ;
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- debug("done\n");
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-
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/* Clear Run */
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- dev->control = (dev->control & (~ALT_SGDMA_CONTROL_RUN_MSK));
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-
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- /* Get & clear status register contents */
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- status = dev->status;
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- dev->status = 0xFF;
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+ writel(0, ®s->control);
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+ /* Clear status */
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+ writel(0xff, ®s->status);
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- /* we really should check if the transfer completes properly */
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- debug("tx sgdma status = 0x%x", status);
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- return 0;
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+ return status;
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}
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-static int alt_sgdma_do_async_transfer(volatile struct alt_sgdma_registers *dev,
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- volatile struct alt_sgdma_descriptor *desc)
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+static int alt_sgdma_start_transfer(struct alt_sgdma_registers *regs,
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+ struct alt_sgdma_descriptor *desc)
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{
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- int counter = 0;
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-
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- /* Wait for any pending transfers to complete */
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- alt_sgdma_print_desc(desc);
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-
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- counter = 0;
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- while (dev->status & ALT_SGDMA_STATUS_BUSY_MSK) {
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- if (counter++ > ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
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- break;
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- }
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-
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- if (counter >= ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
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- debug("Timeout waiting sgdma in do async!\n");
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-
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- /*
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- * Clear the RUN bit in the control register. This is needed
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- * to restart the SGDMA engine later on.
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- */
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- dev->control = 0;
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-
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- /*
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- * Clear any (previous) status register information
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- * that might occlude our error checking later.
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- */
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- dev->status = 0xFF;
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+ unsigned int val;
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/* Point the controller at the descriptor */
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- dev->next_descriptor_pointer = (unsigned int)desc & 0x1FFFFFFF;
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+ writel(virt_to_phys(desc), ®s->next_descriptor_pointer);
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/*
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* Set up SGDMA controller to:
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@@ -217,26 +111,31 @@ static int alt_sgdma_do_async_transfer(volatile struct alt_sgdma_registers *dev,
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* - Run once a valid descriptor is written to controller
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* - Stop on an error with any particular descriptor
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*/
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- dev->control = (ALT_SGDMA_CONTROL_RUN_MSK |
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- ALT_SGDMA_CONTROL_STOP_DMA_ER_MSK);
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+ val = ALT_SGDMA_CONTROL_RUN_MSK | ALT_SGDMA_CONTROL_STOP_DMA_ER_MSK;
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+ writel(val, ®s->control);
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- /* we really should check if the transfer completes properly */
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return 0;
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}
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-/* u-boot interface */
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-static int tse_adjust_link(struct altera_tse_priv *priv)
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+static void tse_adjust_link(struct altera_tse_priv *priv,
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+ struct phy_device *phydev)
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{
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+ struct alt_tse_mac *mac_dev = priv->mac_dev;
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unsigned int refvar;
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- refvar = priv->mac_dev->command_config.image;
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+ if (!phydev->link) {
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+ debug("%s: No link.\n", phydev->dev->name);
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+ return;
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+ }
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+
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+ refvar = readl(&mac_dev->command_config);
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- if (!(priv->duplexity))
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+ if (phydev->duplex)
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refvar |= ALTERA_TSE_CMD_HD_ENA_MSK;
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else
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refvar &= ~ALTERA_TSE_CMD_HD_ENA_MSK;
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- switch (priv->speed) {
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+ switch (phydev->speed) {
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case 1000:
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refvar |= ALTERA_TSE_CMD_ETH_SPEED_MSK;
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refvar &= ~ALTERA_TSE_CMD_ENA_10_MSK;
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@@ -250,721 +149,383 @@ static int tse_adjust_link(struct altera_tse_priv *priv)
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refvar |= ALTERA_TSE_CMD_ENA_10_MSK;
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break;
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}
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- priv->mac_dev->command_config.image = refvar;
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-
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- return 0;
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+ writel(refvar, &mac_dev->command_config);
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}
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-static int tse_eth_send(struct eth_device *dev, void *packet, int length)
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+static int altera_tse_send(struct udevice *dev, void *packet, int length)
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{
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- struct altera_tse_priv *priv = dev->priv;
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- volatile struct alt_sgdma_registers *tx_sgdma = priv->sgdma_tx;
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- volatile struct alt_sgdma_descriptor *tx_desc =
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- (volatile struct alt_sgdma_descriptor *)priv->tx_desc;
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-
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- volatile struct alt_sgdma_descriptor *tx_desc_cur =
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- (volatile struct alt_sgdma_descriptor *)&tx_desc[0];
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-
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- flush_dcache_range((unsigned long)packet,
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- (unsigned long)packet + length);
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- alt_sgdma_construct_descriptor_burst(
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- (volatile struct alt_sgdma_descriptor *)&tx_desc[0],
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- (volatile struct alt_sgdma_descriptor *)&tx_desc[1],
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- (unsigned int *)packet, /* read addr */
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- (unsigned int *)0,
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+ struct altera_tse_priv *priv = dev_get_priv(dev);
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+ struct alt_sgdma_descriptor *tx_desc = priv->tx_desc;
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+ unsigned long tx_buf = (unsigned long)packet;
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+
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+ flush_dcache_range(tx_buf, tx_buf + length);
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+ alt_sgdma_construct_descriptor(
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+ tx_desc,
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+ tx_desc + 1,
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+ packet, /* read addr */
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+ NULL, /* write addr */
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length, /* length or EOP ,will change for each tx */
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- 0x1, /* gen eop */
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- 0x0, /* read fixed */
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- 0x1, /* write fixed or sop */
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- 0x0, /* read burst */
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- 0x0, /* write burst */
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- 0x0 /* channel */
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+ 1, /* gen eop */
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+ 0, /* read fixed */
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+ 1 /* write fixed or sop */
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);
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- debug("TX Packet @ 0x%x,0x%x bytes", (unsigned int)packet, length);
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/* send the packet */
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- debug("sending packet\n");
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- alt_sgdma_do_sync_transfer(tx_sgdma, tx_desc_cur);
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- debug("sent %d bytes\n", tx_desc_cur->actual_bytes_transferred);
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- return tx_desc_cur->actual_bytes_transferred;
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+ alt_sgdma_start_transfer(priv->sgdma_tx, tx_desc);
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+ alt_sgdma_wait_transfer(priv->sgdma_tx);
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+ debug("sent %d bytes\n", tx_desc->actual_bytes_transferred);
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+
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+ return tx_desc->actual_bytes_transferred;
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}
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-static int tse_eth_rx(struct eth_device *dev)
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+static int altera_tse_recv(struct udevice *dev, int flags, uchar **packetp)
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{
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- int packet_length = 0;
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- struct altera_tse_priv *priv = dev->priv;
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- volatile struct alt_sgdma_descriptor *rx_desc =
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- (volatile struct alt_sgdma_descriptor *)priv->rx_desc;
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- volatile struct alt_sgdma_descriptor *rx_desc_cur = &rx_desc[0];
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+ struct altera_tse_priv *priv = dev_get_priv(dev);
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+ struct alt_sgdma_descriptor *rx_desc = priv->rx_desc;
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+ int packet_length;
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- if (rx_desc_cur->descriptor_status &
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+ if (rx_desc->descriptor_status &
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ALT_SGDMA_DESCRIPTOR_STATUS_TERMINATED_BY_EOP_MSK) {
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- debug("got packet\n");
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packet_length = rx_desc->actual_bytes_transferred;
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- net_process_received_packet(net_rx_packets[0], packet_length);
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-
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- /* start descriptor again */
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- flush_dcache_range((unsigned long)(net_rx_packets[0]),
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- (unsigned long)(net_rx_packets[0] +
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- PKTSIZE_ALIGN));
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- alt_sgdma_construct_descriptor_burst(
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|
|
- (volatile struct alt_sgdma_descriptor *)&rx_desc[0],
|
|
|
- (volatile struct alt_sgdma_descriptor *)&rx_desc[1],
|
|
|
- (unsigned int)0x0, /* read addr */
|
|
|
- (unsigned int *)net_rx_packets[0],
|
|
|
- 0x0, /* length or EOP */
|
|
|
- 0x0, /* gen eop */
|
|
|
- 0x0, /* read fixed */
|
|
|
- 0x0, /* write fixed or sop */
|
|
|
- 0x0, /* read burst */
|
|
|
- 0x0, /* write burst */
|
|
|
- 0x0 /* channel */
|
|
|
- );
|
|
|
-
|
|
|
- /* setup the sgdma */
|
|
|
- alt_sgdma_do_async_transfer(priv->sgdma_rx, &rx_desc[0]);
|
|
|
+ debug("recv %d bytes\n", packet_length);
|
|
|
+ *packetp = priv->rx_buf;
|
|
|
|
|
|
return packet_length;
|
|
|
}
|
|
|
|
|
|
- return -1;
|
|
|
+ return -EAGAIN;
|
|
|
}
|
|
|
|
|
|
-static void tse_eth_halt(struct eth_device *dev)
|
|
|
+static int altera_tse_free_pkt(struct udevice *dev, uchar *packet,
|
|
|
+ int length)
|
|
|
{
|
|
|
- /* don't do anything! */
|
|
|
- /* this gets called after each uboot */
|
|
|
- /* network command. don't need to reset the thing all of the time */
|
|
|
+ struct altera_tse_priv *priv = dev_get_priv(dev);
|
|
|
+ struct alt_sgdma_descriptor *rx_desc = priv->rx_desc;
|
|
|
+ unsigned long rx_buf = (unsigned long)priv->rx_buf;
|
|
|
+
|
|
|
+ alt_sgdma_wait_transfer(priv->sgdma_rx);
|
|
|
+ invalidate_dcache_range(rx_buf, rx_buf + PKTSIZE_ALIGN);
|
|
|
+ alt_sgdma_construct_descriptor(
|
|
|
+ rx_desc,
|
|
|
+ rx_desc + 1,
|
|
|
+ NULL, /* read addr */
|
|
|
+ priv->rx_buf, /* write addr */
|
|
|
+ 0, /* length or EOP */
|
|
|
+ 0, /* gen eop */
|
|
|
+ 0, /* read fixed */
|
|
|
+ 0 /* write fixed or sop */
|
|
|
+ );
|
|
|
+
|
|
|
+ /* setup the sgdma */
|
|
|
+ alt_sgdma_start_transfer(priv->sgdma_rx, rx_desc);
|
|
|
+ debug("recv setup\n");
|
|
|
+
|
|
|
+ return 0;
|
|
|
}
|
|
|
|
|
|
-static void tse_eth_reset(struct eth_device *dev)
|
|
|
+static void altera_tse_stop(struct udevice *dev)
|
|
|
{
|
|
|
- /* stop sgdmas, disable tse receive */
|
|
|
- struct altera_tse_priv *priv = dev->priv;
|
|
|
- volatile struct alt_tse_mac *mac_dev = priv->mac_dev;
|
|
|
- volatile struct alt_sgdma_registers *rx_sgdma = priv->sgdma_rx;
|
|
|
- volatile struct alt_sgdma_registers *tx_sgdma = priv->sgdma_tx;
|
|
|
- int counter;
|
|
|
- volatile struct alt_sgdma_descriptor *rx_desc =
|
|
|
- (volatile struct alt_sgdma_descriptor *)&priv->rx_desc[0];
|
|
|
+ struct altera_tse_priv *priv = dev_get_priv(dev);
|
|
|
+ struct alt_tse_mac *mac_dev = priv->mac_dev;
|
|
|
+ struct alt_sgdma_registers *rx_sgdma = priv->sgdma_rx;
|
|
|
+ struct alt_sgdma_registers *tx_sgdma = priv->sgdma_tx;
|
|
|
+ struct alt_sgdma_descriptor *rx_desc = priv->rx_desc;
|
|
|
+ unsigned int status;
|
|
|
+ int ret;
|
|
|
+ ulong ctime;
|
|
|
|
|
|
/* clear rx desc & wait for sgdma to complete */
|
|
|
rx_desc->descriptor_control = 0;
|
|
|
- rx_sgdma->control = 0;
|
|
|
- counter = 0;
|
|
|
- while (rx_sgdma->status & ALT_SGDMA_STATUS_BUSY_MSK) {
|
|
|
- if (counter++ > ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- if (counter >= ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR) {
|
|
|
- debug("Timeout waiting for rx sgdma!\n");
|
|
|
- rx_sgdma->control = ALT_SGDMA_CONTROL_SOFTWARERESET_MSK;
|
|
|
- rx_sgdma->control = ALT_SGDMA_CONTROL_SOFTWARERESET_MSK;
|
|
|
- }
|
|
|
-
|
|
|
- counter = 0;
|
|
|
- tx_sgdma->control = 0;
|
|
|
- while (tx_sgdma->status & ALT_SGDMA_STATUS_BUSY_MSK) {
|
|
|
- if (counter++ > ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
|
|
|
- break;
|
|
|
- }
|
|
|
+ writel(0, &rx_sgdma->control);
|
|
|
+ ret = alt_sgdma_wait_transfer(rx_sgdma);
|
|
|
+ if (ret == -ETIMEDOUT)
|
|
|
+ writel(ALT_SGDMA_CONTROL_SOFTWARERESET_MSK,
|
|
|
+ &rx_sgdma->control);
|
|
|
+
|
|
|
+ writel(0, &tx_sgdma->control);
|
|
|
+ ret = alt_sgdma_wait_transfer(tx_sgdma);
|
|
|
+ if (ret == -ETIMEDOUT)
|
|
|
+ writel(ALT_SGDMA_CONTROL_SOFTWARERESET_MSK,
|
|
|
+ &tx_sgdma->control);
|
|
|
|
|
|
- if (counter >= ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR) {
|
|
|
- debug("Timeout waiting for tx sgdma!\n");
|
|
|
- tx_sgdma->control = ALT_SGDMA_CONTROL_SOFTWARERESET_MSK;
|
|
|
- tx_sgdma->control = ALT_SGDMA_CONTROL_SOFTWARERESET_MSK;
|
|
|
- }
|
|
|
/* reset the mac */
|
|
|
- mac_dev->command_config.bits.transmit_enable = 1;
|
|
|
- mac_dev->command_config.bits.receive_enable = 1;
|
|
|
- mac_dev->command_config.bits.software_reset = 1;
|
|
|
-
|
|
|
- counter = 0;
|
|
|
- while (mac_dev->command_config.bits.software_reset) {
|
|
|
- if (counter++ > ALT_TSE_SW_RESET_WATCHDOG_CNTR)
|
|
|
+ writel(ALTERA_TSE_CMD_SW_RESET_MSK, &mac_dev->command_config);
|
|
|
+ ctime = get_timer(0);
|
|
|
+ while (1) {
|
|
|
+ status = readl(&mac_dev->command_config);
|
|
|
+ if (!(status & ALTERA_TSE_CMD_SW_RESET_MSK))
|
|
|
break;
|
|
|
+ if (get_timer(ctime) > ALT_TSE_SW_RESET_TIMEOUT) {
|
|
|
+ debug("Reset mac timeout\n");
|
|
|
+ break;
|
|
|
+ }
|
|
|
}
|
|
|
-
|
|
|
- if (counter >= ALT_TSE_SW_RESET_WATCHDOG_CNTR)
|
|
|
- debug("TSEMAC SW reset bit never cleared!\n");
|
|
|
}
|
|
|
|
|
|
-static int tse_mdio_read(struct altera_tse_priv *priv, unsigned int regnum)
|
|
|
+static int tse_mdio_read(struct mii_dev *bus, int addr, int devad, int reg)
|
|
|
{
|
|
|
- volatile struct alt_tse_mac *mac_dev;
|
|
|
- unsigned int *mdio_regs;
|
|
|
- unsigned int data;
|
|
|
- u16 value;
|
|
|
-
|
|
|
- mac_dev = priv->mac_dev;
|
|
|
+ struct altera_tse_priv *priv = bus->priv;
|
|
|
+ struct alt_tse_mac *mac_dev = priv->mac_dev;
|
|
|
+ unsigned int value;
|
|
|
|
|
|
/* set mdio address */
|
|
|
- mac_dev->mdio_phy1_addr = priv->phyaddr;
|
|
|
- mdio_regs = (unsigned int *)&mac_dev->mdio_phy1;
|
|
|
-
|
|
|
+ writel(addr, &mac_dev->mdio_phy1_addr);
|
|
|
/* get the data */
|
|
|
- data = mdio_regs[regnum];
|
|
|
+ value = readl(&mac_dev->mdio_phy1[reg]);
|
|
|
|
|
|
- value = data & 0xffff;
|
|
|
-
|
|
|
- return value;
|
|
|
+ return value & 0xffff;
|
|
|
}
|
|
|
|
|
|
-static int tse_mdio_write(struct altera_tse_priv *priv, unsigned int regnum,
|
|
|
- unsigned int value)
|
|
|
+static int tse_mdio_write(struct mii_dev *bus, int addr, int devad, int reg,
|
|
|
+ u16 val)
|
|
|
{
|
|
|
- volatile struct alt_tse_mac *mac_dev;
|
|
|
- unsigned int *mdio_regs;
|
|
|
- unsigned int data;
|
|
|
-
|
|
|
- mac_dev = priv->mac_dev;
|
|
|
+ struct altera_tse_priv *priv = bus->priv;
|
|
|
+ struct alt_tse_mac *mac_dev = priv->mac_dev;
|
|
|
|
|
|
/* set mdio address */
|
|
|
- mac_dev->mdio_phy1_addr = priv->phyaddr;
|
|
|
- mdio_regs = (unsigned int *)&mac_dev->mdio_phy1;
|
|
|
-
|
|
|
- /* get the data */
|
|
|
- data = (unsigned int)value;
|
|
|
-
|
|
|
- mdio_regs[regnum] = data;
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-/* MDIO access to phy */
|
|
|
-#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) && !defined(BITBANGMII)
|
|
|
-static int altera_tse_miiphy_write(const char *devname, unsigned char addr,
|
|
|
- unsigned char reg, unsigned short value)
|
|
|
-{
|
|
|
- struct eth_device *dev;
|
|
|
- struct altera_tse_priv *priv;
|
|
|
- dev = eth_get_dev_by_name(devname);
|
|
|
- priv = dev->priv;
|
|
|
-
|
|
|
- tse_mdio_write(priv, (uint) reg, (uint) value);
|
|
|
-
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static int altera_tse_miiphy_read(const char *devname, unsigned char addr,
|
|
|
- unsigned char reg, unsigned short *value)
|
|
|
-{
|
|
|
- struct eth_device *dev;
|
|
|
- struct altera_tse_priv *priv;
|
|
|
- volatile struct alt_tse_mac *mac_dev;
|
|
|
- unsigned int *mdio_regs;
|
|
|
-
|
|
|
- dev = eth_get_dev_by_name(devname);
|
|
|
- priv = dev->priv;
|
|
|
-
|
|
|
- mac_dev = priv->mac_dev;
|
|
|
- mac_dev->mdio_phy1_addr = (int)addr;
|
|
|
- mdio_regs = (unsigned int *)&mac_dev->mdio_phy1;
|
|
|
-
|
|
|
- *value = 0xffff & mdio_regs[reg];
|
|
|
-
|
|
|
- return 0;
|
|
|
-
|
|
|
-}
|
|
|
-#endif
|
|
|
-
|
|
|
-/*
|
|
|
- * Also copied from tsec.c
|
|
|
- */
|
|
|
-/* Parse the status register for link, and then do
|
|
|
- * auto-negotiation
|
|
|
- */
|
|
|
-static uint mii_parse_sr(uint mii_reg, struct altera_tse_priv *priv)
|
|
|
-{
|
|
|
- /*
|
|
|
- * Wait if the link is up, and autonegotiation is in progress
|
|
|
- * (ie - we're capable and it's not done)
|
|
|
- */
|
|
|
- mii_reg = tse_mdio_read(priv, MIIM_STATUS);
|
|
|
-
|
|
|
- if (!(mii_reg & MIIM_STATUS_LINK) && (mii_reg & BMSR_ANEGCAPABLE)
|
|
|
- && !(mii_reg & BMSR_ANEGCOMPLETE)) {
|
|
|
- int i = 0;
|
|
|
-
|
|
|
- puts("Waiting for PHY auto negotiation to complete");
|
|
|
- while (!(mii_reg & BMSR_ANEGCOMPLETE)) {
|
|
|
- /*
|
|
|
- * Timeout reached ?
|
|
|
- */
|
|
|
- if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
|
|
|
- puts(" TIMEOUT !\n");
|
|
|
- priv->link = 0;
|
|
|
- return 0;
|
|
|
- }
|
|
|
-
|
|
|
- if ((i++ % 1000) == 0)
|
|
|
- putc('.');
|
|
|
- udelay(1000); /* 1 ms */
|
|
|
- mii_reg = tse_mdio_read(priv, MIIM_STATUS);
|
|
|
- }
|
|
|
- puts(" done\n");
|
|
|
- priv->link = 1;
|
|
|
- udelay(500000); /* another 500 ms (results in faster booting) */
|
|
|
- } else {
|
|
|
- if (mii_reg & MIIM_STATUS_LINK) {
|
|
|
- debug("Link is up\n");
|
|
|
- priv->link = 1;
|
|
|
- } else {
|
|
|
- debug("Link is down\n");
|
|
|
- priv->link = 0;
|
|
|
- }
|
|
|
- }
|
|
|
+ writel(addr, &mac_dev->mdio_phy1_addr);
|
|
|
+ /* set the data */
|
|
|
+ writel(val, &mac_dev->mdio_phy1[reg]);
|
|
|
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-/* Parse the 88E1011's status register for speed and duplex
|
|
|
- * information
|
|
|
- */
|
|
|
-static uint mii_parse_88E1011_psr(uint mii_reg, struct altera_tse_priv *priv)
|
|
|
+static int tse_mdio_init(const char *name, struct altera_tse_priv *priv)
|
|
|
{
|
|
|
- uint speed;
|
|
|
-
|
|
|
- mii_reg = tse_mdio_read(priv, MIIM_88E1011_PHY_STATUS);
|
|
|
-
|
|
|
- if ((mii_reg & MIIM_88E1011_PHYSTAT_LINK) &&
|
|
|
- !(mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE)) {
|
|
|
- int i = 0;
|
|
|
-
|
|
|
- puts("Waiting for PHY realtime link");
|
|
|
- while (!(mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE)) {
|
|
|
- /* Timeout reached ? */
|
|
|
- if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
|
|
|
- puts(" TIMEOUT !\n");
|
|
|
- priv->link = 0;
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- if ((i++ == 1000) == 0) {
|
|
|
- i = 0;
|
|
|
- puts(".");
|
|
|
- }
|
|
|
- udelay(1000); /* 1 ms */
|
|
|
- mii_reg = tse_mdio_read(priv, MIIM_88E1011_PHY_STATUS);
|
|
|
- }
|
|
|
- puts(" done\n");
|
|
|
- udelay(500000); /* another 500 ms (results in faster booting) */
|
|
|
- } else {
|
|
|
- if (mii_reg & MIIM_88E1011_PHYSTAT_LINK)
|
|
|
- priv->link = 1;
|
|
|
- else
|
|
|
- priv->link = 0;
|
|
|
- }
|
|
|
-
|
|
|
- if (mii_reg & MIIM_88E1011_PHYSTAT_DUPLEX)
|
|
|
- priv->duplexity = 1;
|
|
|
- else
|
|
|
- priv->duplexity = 0;
|
|
|
-
|
|
|
- speed = (mii_reg & MIIM_88E1011_PHYSTAT_SPEED);
|
|
|
+ struct mii_dev *bus = mdio_alloc();
|
|
|
|
|
|
- switch (speed) {
|
|
|
- case MIIM_88E1011_PHYSTAT_GBIT:
|
|
|
- priv->speed = 1000;
|
|
|
- debug("PHY Speed is 1000Mbit\n");
|
|
|
- break;
|
|
|
- case MIIM_88E1011_PHYSTAT_100:
|
|
|
- debug("PHY Speed is 100Mbit\n");
|
|
|
- priv->speed = 100;
|
|
|
- break;
|
|
|
- default:
|
|
|
- debug("PHY Speed is 10Mbit\n");
|
|
|
- priv->speed = 10;
|
|
|
+ if (!bus) {
|
|
|
+ printf("Failed to allocate MDIO bus\n");
|
|
|
+ return -ENOMEM;
|
|
|
}
|
|
|
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static uint mii_m88e1111s_setmode_sr(uint mii_reg, struct altera_tse_priv *priv)
|
|
|
-{
|
|
|
- uint mii_data = tse_mdio_read(priv, mii_reg);
|
|
|
- mii_data &= 0xfff0;
|
|
|
- if ((priv->flags >= 1) && (priv->flags <= 4))
|
|
|
- mii_data |= 0xb;
|
|
|
- else if (priv->flags == 5)
|
|
|
- mii_data |= 0x4;
|
|
|
-
|
|
|
- return mii_data;
|
|
|
-}
|
|
|
+ bus->read = tse_mdio_read;
|
|
|
+ bus->write = tse_mdio_write;
|
|
|
+ snprintf(bus->name, sizeof(bus->name), name);
|
|
|
|
|
|
-static uint mii_m88e1111s_setmode_cr(uint mii_reg, struct altera_tse_priv *priv)
|
|
|
-{
|
|
|
- uint mii_data = tse_mdio_read(priv, mii_reg);
|
|
|
- mii_data &= ~0x82;
|
|
|
- if ((priv->flags >= 1) && (priv->flags <= 4))
|
|
|
- mii_data |= 0x82;
|
|
|
+ bus->priv = (void *)priv;
|
|
|
|
|
|
- return mii_data;
|
|
|
+ return mdio_register(bus);
|
|
|
}
|
|
|
|
|
|
-/*
|
|
|
- * Returns which value to write to the control register.
|
|
|
- * For 10/100, the value is slightly different
|
|
|
- */
|
|
|
-static uint mii_cr_init(uint mii_reg, struct altera_tse_priv *priv)
|
|
|
-{
|
|
|
- return MIIM_CONTROL_INIT;
|
|
|
-}
|
|
|
-
|
|
|
-/*
|
|
|
- * PHY & MDIO code
|
|
|
- * Need to add SGMII stuff
|
|
|
- *
|
|
|
- */
|
|
|
-
|
|
|
-static struct phy_info phy_info_M88E1111S = {
|
|
|
- 0x01410cc,
|
|
|
- "Marvell 88E1111S",
|
|
|
- 4,
|
|
|
- (struct phy_cmd[]){ /* config */
|
|
|
- /* Reset and configure the PHY */
|
|
|
- {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
|
|
|
- {MIIM_88E1111_PHY_EXT_SR, 0x848f,
|
|
|
- &mii_m88e1111s_setmode_sr},
|
|
|
- /* Delay RGMII TX and RX */
|
|
|
- {MIIM_88E1111_PHY_EXT_CR, 0x0cd2,
|
|
|
- &mii_m88e1111s_setmode_cr},
|
|
|
- {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
|
|
|
- {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
|
|
|
- {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
|
|
|
- {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
|
|
|
- {miim_end,}
|
|
|
- },
|
|
|
- (struct phy_cmd[]){ /* startup */
|
|
|
- /* Status is read once to clear old link state */
|
|
|
- {MIIM_STATUS, miim_read, NULL},
|
|
|
- /* Auto-negotiate */
|
|
|
- {MIIM_STATUS, miim_read, &mii_parse_sr},
|
|
|
- /* Read the status */
|
|
|
- {MIIM_88E1011_PHY_STATUS, miim_read,
|
|
|
- &mii_parse_88E1011_psr},
|
|
|
- {miim_end,}
|
|
|
- },
|
|
|
- (struct phy_cmd[]){ /* shutdown */
|
|
|
- {miim_end,}
|
|
|
- },
|
|
|
-};
|
|
|
-
|
|
|
-/* a generic flavor. */
|
|
|
-static struct phy_info phy_info_generic = {
|
|
|
- 0,
|
|
|
- "Unknown/Generic PHY",
|
|
|
- 32,
|
|
|
- (struct phy_cmd[]){ /* config */
|
|
|
- {MII_BMCR, BMCR_RESET, NULL},
|
|
|
- {MII_BMCR, BMCR_ANENABLE | BMCR_ANRESTART, NULL},
|
|
|
- {miim_end,}
|
|
|
- },
|
|
|
- (struct phy_cmd[]){ /* startup */
|
|
|
- {MII_BMSR, miim_read, NULL},
|
|
|
- {MII_BMSR, miim_read, &mii_parse_sr},
|
|
|
- {miim_end,}
|
|
|
- },
|
|
|
- (struct phy_cmd[]){ /* shutdown */
|
|
|
- {miim_end,}
|
|
|
- }
|
|
|
-};
|
|
|
-
|
|
|
-static struct phy_info *phy_info[] = {
|
|
|
- &phy_info_M88E1111S,
|
|
|
- NULL
|
|
|
-};
|
|
|
-
|
|
|
- /* Grab the identifier of the device's PHY, and search through
|
|
|
- * all of the known PHYs to see if one matches. If so, return
|
|
|
- * it, if not, return NULL
|
|
|
- */
|
|
|
-static struct phy_info *get_phy_info(struct eth_device *dev)
|
|
|
+static int tse_phy_init(struct altera_tse_priv *priv, void *dev)
|
|
|
{
|
|
|
- struct altera_tse_priv *priv = (struct altera_tse_priv *)dev->priv;
|
|
|
- uint phy_reg, phy_ID;
|
|
|
- int i;
|
|
|
- struct phy_info *theInfo = NULL;
|
|
|
-
|
|
|
- /* Grab the bits from PHYIR1, and put them in the upper half */
|
|
|
- phy_reg = tse_mdio_read(priv, MIIM_PHYIR1);
|
|
|
- phy_ID = (phy_reg & 0xffff) << 16;
|
|
|
-
|
|
|
- /* Grab the bits from PHYIR2, and put them in the lower half */
|
|
|
- phy_reg = tse_mdio_read(priv, MIIM_PHYIR2);
|
|
|
- phy_ID |= (phy_reg & 0xffff);
|
|
|
-
|
|
|
- /* loop through all the known PHY types, and find one that */
|
|
|
- /* matches the ID we read from the PHY. */
|
|
|
- for (i = 0; phy_info[i]; i++) {
|
|
|
- if (phy_info[i]->id == (phy_ID >> phy_info[i]->shift)) {
|
|
|
- theInfo = phy_info[i];
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (theInfo == NULL) {
|
|
|
- theInfo = &phy_info_generic;
|
|
|
- debug("%s: No support for PHY id %x; assuming generic\n",
|
|
|
- dev->name, phy_ID);
|
|
|
- } else
|
|
|
- debug("%s: PHY is %s (%x)\n", dev->name, theInfo->name, phy_ID);
|
|
|
+ struct phy_device *phydev;
|
|
|
+ unsigned int mask = 0xffffffff;
|
|
|
|
|
|
- return theInfo;
|
|
|
-}
|
|
|
-
|
|
|
-/* Execute the given series of commands on the given device's
|
|
|
- * PHY, running functions as necessary
|
|
|
- */
|
|
|
-static void phy_run_commands(struct altera_tse_priv *priv, struct phy_cmd *cmd)
|
|
|
-{
|
|
|
- int i;
|
|
|
- uint result;
|
|
|
+ if (priv->phyaddr)
|
|
|
+ mask = 1 << priv->phyaddr;
|
|
|
|
|
|
- for (i = 0; cmd->mii_reg != miim_end; i++) {
|
|
|
- if (cmd->mii_data == miim_read) {
|
|
|
- result = tse_mdio_read(priv, cmd->mii_reg);
|
|
|
+ phydev = phy_find_by_mask(priv->bus, mask, priv->interface);
|
|
|
+ if (!phydev)
|
|
|
+ return -ENODEV;
|
|
|
|
|
|
- if (cmd->funct != NULL)
|
|
|
- (*(cmd->funct)) (result, priv);
|
|
|
+ phy_connect_dev(phydev, dev);
|
|
|
|
|
|
- } else {
|
|
|
- if (cmd->funct != NULL)
|
|
|
- result = (*(cmd->funct)) (cmd->mii_reg, priv);
|
|
|
- else
|
|
|
- result = cmd->mii_data;
|
|
|
+ phydev->supported &= PHY_GBIT_FEATURES;
|
|
|
+ phydev->advertising = phydev->supported;
|
|
|
|
|
|
- tse_mdio_write(priv, cmd->mii_reg, result);
|
|
|
+ priv->phydev = phydev;
|
|
|
+ phy_config(phydev);
|
|
|
|
|
|
- }
|
|
|
- cmd++;
|
|
|
- }
|
|
|
+ return 0;
|
|
|
}
|
|
|
|
|
|
-/* Phy init code */
|
|
|
-static int init_phy(struct eth_device *dev)
|
|
|
+static int altera_tse_write_hwaddr(struct udevice *dev)
|
|
|
{
|
|
|
- struct altera_tse_priv *priv = (struct altera_tse_priv *)dev->priv;
|
|
|
- struct phy_info *curphy;
|
|
|
-
|
|
|
- /* Get the cmd structure corresponding to the attached
|
|
|
- * PHY */
|
|
|
- curphy = get_phy_info(dev);
|
|
|
-
|
|
|
- if (curphy == NULL) {
|
|
|
- priv->phyinfo = NULL;
|
|
|
- debug("%s: No PHY found\n", dev->name);
|
|
|
-
|
|
|
- return 0;
|
|
|
- } else
|
|
|
- debug("%s found\n", curphy->name);
|
|
|
- priv->phyinfo = curphy;
|
|
|
-
|
|
|
- phy_run_commands(priv, priv->phyinfo->config);
|
|
|
+ struct altera_tse_priv *priv = dev_get_priv(dev);
|
|
|
+ struct alt_tse_mac *mac_dev = priv->mac_dev;
|
|
|
+ struct eth_pdata *pdata = dev_get_platdata(dev);
|
|
|
+ u8 *hwaddr = pdata->enetaddr;
|
|
|
+ unsigned int mac_lo, mac_hi;
|
|
|
+
|
|
|
+ mac_lo = (hwaddr[3] << 24) | (hwaddr[2] << 16) |
|
|
|
+ (hwaddr[1] << 8) | hwaddr[0];
|
|
|
+ mac_hi = (hwaddr[5] << 8) | hwaddr[4];
|
|
|
+ debug("Set MAC address to 0x%04x%08x\n", mac_hi, mac_lo);
|
|
|
+
|
|
|
+ writel(mac_lo, &mac_dev->mac_addr_0);
|
|
|
+ writel(mac_hi, &mac_dev->mac_addr_1);
|
|
|
+ writel(mac_lo, &mac_dev->supp_mac_addr_0_0);
|
|
|
+ writel(mac_hi, &mac_dev->supp_mac_addr_0_1);
|
|
|
+ writel(mac_lo, &mac_dev->supp_mac_addr_1_0);
|
|
|
+ writel(mac_hi, &mac_dev->supp_mac_addr_1_1);
|
|
|
+ writel(mac_lo, &mac_dev->supp_mac_addr_2_0);
|
|
|
+ writel(mac_hi, &mac_dev->supp_mac_addr_2_1);
|
|
|
+ writel(mac_lo, &mac_dev->supp_mac_addr_3_0);
|
|
|
+ writel(mac_hi, &mac_dev->supp_mac_addr_3_1);
|
|
|
|
|
|
- return 1;
|
|
|
-}
|
|
|
-
|
|
|
-static int tse_set_mac_address(struct eth_device *dev)
|
|
|
-{
|
|
|
- struct altera_tse_priv *priv = dev->priv;
|
|
|
- volatile struct alt_tse_mac *mac_dev = priv->mac_dev;
|
|
|
-
|
|
|
- debug("Setting MAC address to 0x%02x%02x%02x%02x%02x%02x\n",
|
|
|
- dev->enetaddr[5], dev->enetaddr[4],
|
|
|
- dev->enetaddr[3], dev->enetaddr[2],
|
|
|
- dev->enetaddr[1], dev->enetaddr[0]);
|
|
|
- mac_dev->mac_addr_0 = ((dev->enetaddr[3]) << 24 |
|
|
|
- (dev->enetaddr[2]) << 16 |
|
|
|
- (dev->enetaddr[1]) << 8 | (dev->enetaddr[0]));
|
|
|
-
|
|
|
- mac_dev->mac_addr_1 = ((dev->enetaddr[5] << 8 |
|
|
|
- (dev->enetaddr[4])) & 0xFFFF);
|
|
|
-
|
|
|
- /* Set the MAC address */
|
|
|
- mac_dev->supp_mac_addr_0_0 = mac_dev->mac_addr_0;
|
|
|
- mac_dev->supp_mac_addr_0_1 = mac_dev->mac_addr_1;
|
|
|
-
|
|
|
- /* Set the MAC address */
|
|
|
- mac_dev->supp_mac_addr_1_0 = mac_dev->mac_addr_0;
|
|
|
- mac_dev->supp_mac_addr_1_1 = mac_dev->mac_addr_1;
|
|
|
-
|
|
|
- /* Set the MAC address */
|
|
|
- mac_dev->supp_mac_addr_2_0 = mac_dev->mac_addr_0;
|
|
|
- mac_dev->supp_mac_addr_2_1 = mac_dev->mac_addr_1;
|
|
|
-
|
|
|
- /* Set the MAC address */
|
|
|
- mac_dev->supp_mac_addr_3_0 = mac_dev->mac_addr_0;
|
|
|
- mac_dev->supp_mac_addr_3_1 = mac_dev->mac_addr_1;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-static int tse_eth_init(struct eth_device *dev, bd_t * bd)
|
|
|
+static int altera_tse_start(struct udevice *dev)
|
|
|
{
|
|
|
- int dat;
|
|
|
- struct altera_tse_priv *priv = dev->priv;
|
|
|
- volatile struct alt_tse_mac *mac_dev = priv->mac_dev;
|
|
|
- volatile struct alt_sgdma_descriptor *tx_desc = priv->tx_desc;
|
|
|
- volatile struct alt_sgdma_descriptor *rx_desc = priv->rx_desc;
|
|
|
- volatile struct alt_sgdma_descriptor *rx_desc_cur =
|
|
|
- (volatile struct alt_sgdma_descriptor *)&rx_desc[0];
|
|
|
-
|
|
|
- /* stop controller */
|
|
|
- debug("Reseting TSE & SGDMAs\n");
|
|
|
- tse_eth_reset(dev);
|
|
|
-
|
|
|
- /* start the phy */
|
|
|
- debug("Configuring PHY\n");
|
|
|
- phy_run_commands(priv, priv->phyinfo->startup);
|
|
|
+ struct altera_tse_priv *priv = dev_get_priv(dev);
|
|
|
+ struct alt_tse_mac *mac_dev = priv->mac_dev;
|
|
|
+ unsigned int val;
|
|
|
+ int ret;
|
|
|
|
|
|
/* need to create sgdma */
|
|
|
- debug("Configuring tx desc\n");
|
|
|
- alt_sgdma_construct_descriptor_burst(
|
|
|
- (volatile struct alt_sgdma_descriptor *)&tx_desc[0],
|
|
|
- (volatile struct alt_sgdma_descriptor *)&tx_desc[1],
|
|
|
- (unsigned int *)NULL, /* read addr */
|
|
|
- (unsigned int *)0,
|
|
|
- 0, /* length or EOP ,will change for each tx */
|
|
|
- 0x1, /* gen eop */
|
|
|
- 0x0, /* read fixed */
|
|
|
- 0x1, /* write fixed or sop */
|
|
|
- 0x0, /* read burst */
|
|
|
- 0x0, /* write burst */
|
|
|
- 0x0 /* channel */
|
|
|
- );
|
|
|
debug("Configuring rx desc\n");
|
|
|
- flush_dcache_range((unsigned long)(net_rx_packets[0]),
|
|
|
- (unsigned long)(net_rx_packets[0]) + PKTSIZE_ALIGN);
|
|
|
- alt_sgdma_construct_descriptor_burst(
|
|
|
- (volatile struct alt_sgdma_descriptor *)&rx_desc[0],
|
|
|
- (volatile struct alt_sgdma_descriptor *)&rx_desc[1],
|
|
|
- (unsigned int)0x0, /* read addr */
|
|
|
- (unsigned int *)net_rx_packets[0],
|
|
|
- 0x0, /* length or EOP */
|
|
|
- 0x0, /* gen eop */
|
|
|
- 0x0, /* read fixed */
|
|
|
- 0x0, /* write fixed or sop */
|
|
|
- 0x0, /* read burst */
|
|
|
- 0x0, /* write burst */
|
|
|
- 0x0 /* channel */
|
|
|
- );
|
|
|
- /* start rx async transfer */
|
|
|
- debug("Starting rx sgdma\n");
|
|
|
- alt_sgdma_do_async_transfer(priv->sgdma_rx, rx_desc_cur);
|
|
|
-
|
|
|
+ altera_tse_free_pkt(dev, priv->rx_buf, PKTSIZE_ALIGN);
|
|
|
/* start TSE */
|
|
|
debug("Configuring TSE Mac\n");
|
|
|
/* Initialize MAC registers */
|
|
|
- mac_dev->max_frame_length = PKTSIZE_ALIGN;
|
|
|
- mac_dev->rx_almost_empty_threshold = 8;
|
|
|
- mac_dev->rx_almost_full_threshold = 8;
|
|
|
- mac_dev->tx_almost_empty_threshold = 8;
|
|
|
- mac_dev->tx_almost_full_threshold = 3;
|
|
|
- mac_dev->tx_sel_empty_threshold =
|
|
|
- CONFIG_SYS_ALTERA_TSE_TX_FIFO - 16;
|
|
|
- mac_dev->tx_sel_full_threshold = 0;
|
|
|
- mac_dev->rx_sel_empty_threshold =
|
|
|
- CONFIG_SYS_ALTERA_TSE_TX_FIFO - 16;
|
|
|
- mac_dev->rx_sel_full_threshold = 0;
|
|
|
+ writel(PKTSIZE_ALIGN, &mac_dev->max_frame_length);
|
|
|
+ writel(priv->rx_fifo_depth - 16, &mac_dev->rx_sel_empty_threshold);
|
|
|
+ writel(0, &mac_dev->rx_sel_full_threshold);
|
|
|
+ writel(priv->tx_fifo_depth - 16, &mac_dev->tx_sel_empty_threshold);
|
|
|
+ writel(0, &mac_dev->tx_sel_full_threshold);
|
|
|
+ writel(8, &mac_dev->rx_almost_empty_threshold);
|
|
|
+ writel(8, &mac_dev->rx_almost_full_threshold);
|
|
|
+ writel(8, &mac_dev->tx_almost_empty_threshold);
|
|
|
+ writel(3, &mac_dev->tx_almost_full_threshold);
|
|
|
|
|
|
/* NO Shift */
|
|
|
- mac_dev->rx_cmd_stat.bits.rx_shift16 = 0;
|
|
|
- mac_dev->tx_cmd_stat.bits.tx_shift16 = 0;
|
|
|
+ writel(0, &mac_dev->rx_cmd_stat);
|
|
|
+ writel(0, &mac_dev->tx_cmd_stat);
|
|
|
|
|
|
/* enable MAC */
|
|
|
- dat = 0;
|
|
|
- dat = ALTERA_TSE_CMD_TX_ENA_MSK | ALTERA_TSE_CMD_RX_ENA_MSK;
|
|
|
+ val = ALTERA_TSE_CMD_TX_ENA_MSK | ALTERA_TSE_CMD_RX_ENA_MSK;
|
|
|
+ writel(val, &mac_dev->command_config);
|
|
|
+
|
|
|
+ /* Start up the PHY */
|
|
|
+ ret = phy_startup(priv->phydev);
|
|
|
+ if (ret) {
|
|
|
+ debug("Could not initialize PHY %s\n",
|
|
|
+ priv->phydev->dev->name);
|
|
|
+ return ret;
|
|
|
+ }
|
|
|
|
|
|
- mac_dev->command_config.image = dat;
|
|
|
+ tse_adjust_link(priv, priv->phydev);
|
|
|
|
|
|
- /* configure the TSE core */
|
|
|
- /* -- output clocks, */
|
|
|
- /* -- and later config stuff for SGMII */
|
|
|
- if (priv->link) {
|
|
|
- debug("Adjusting TSE to link speed\n");
|
|
|
- tse_adjust_link(priv);
|
|
|
- }
|
|
|
+ if (!priv->phydev->link)
|
|
|
+ return -EIO;
|
|
|
|
|
|
- return priv->link ? 0 : -1;
|
|
|
+ return 0;
|
|
|
}
|
|
|
|
|
|
-/* TSE init code */
|
|
|
-int altera_tse_initialize(u8 dev_num, int mac_base,
|
|
|
- int sgdma_rx_base, int sgdma_tx_base,
|
|
|
- u32 sgdma_desc_base, u32 sgdma_desc_size)
|
|
|
+static int altera_tse_probe(struct udevice *dev)
|
|
|
{
|
|
|
- struct altera_tse_priv *priv;
|
|
|
- struct eth_device *dev;
|
|
|
- struct alt_sgdma_descriptor *rx_desc;
|
|
|
- struct alt_sgdma_descriptor *tx_desc;
|
|
|
- unsigned long dma_handle;
|
|
|
-
|
|
|
- dev = (struct eth_device *)malloc(sizeof *dev);
|
|
|
+ struct eth_pdata *pdata = dev_get_platdata(dev);
|
|
|
+ struct altera_tse_priv *priv = dev_get_priv(dev);
|
|
|
+ const void *blob = gd->fdt_blob;
|
|
|
+ int node = dev->of_offset;
|
|
|
+ const char *list, *end;
|
|
|
+ const fdt32_t *cell;
|
|
|
+ void *base, *desc_mem = NULL;
|
|
|
+ unsigned long addr, size;
|
|
|
+ int len, idx;
|
|
|
+ int ret;
|
|
|
|
|
|
- if (NULL == dev)
|
|
|
- return 0;
|
|
|
+ /*
|
|
|
+ * decode regs, assume address-cells and size-cells are both one.
|
|
|
+ * there are multiple reg tuples, and they need to match with
|
|
|
+ * reg-names.
|
|
|
+ */
|
|
|
+ list = fdt_getprop(blob, node, "reg-names", &len);
|
|
|
+ if (!list)
|
|
|
+ return -ENOENT;
|
|
|
+ end = list + len;
|
|
|
+ cell = fdt_getprop(blob, node, "reg", &len);
|
|
|
+ if (!cell)
|
|
|
+ return -ENOENT;
|
|
|
+ idx = 0;
|
|
|
+ while (list < end) {
|
|
|
+ addr = fdt_translate_address((void *)blob,
|
|
|
+ node, cell + idx);
|
|
|
+ size = fdt_addr_to_cpu(cell[idx + 1]);
|
|
|
+ base = ioremap(addr, size);
|
|
|
+ len = strlen(list);
|
|
|
+ if (strcmp(list, "control_port") == 0)
|
|
|
+ priv->mac_dev = base;
|
|
|
+ else if (strcmp(list, "rx_csr") == 0)
|
|
|
+ priv->sgdma_rx = base;
|
|
|
+ else if (strcmp(list, "tx_csr") == 0)
|
|
|
+ priv->sgdma_tx = base;
|
|
|
+ else if (strcmp(list, "s1") == 0)
|
|
|
+ desc_mem = base;
|
|
|
+ idx += 2;
|
|
|
+ list += (len + 1);
|
|
|
+ }
|
|
|
+ /* decode fifo depth */
|
|
|
+ priv->rx_fifo_depth = fdtdec_get_int(blob, node,
|
|
|
+ "rx-fifo-depth", 0);
|
|
|
+ priv->tx_fifo_depth = fdtdec_get_int(blob, node,
|
|
|
+ "tx-fifo-depth", 0);
|
|
|
+ /* decode phy */
|
|
|
+ addr = fdtdec_get_int(blob, node,
|
|
|
+ "phy-handle", 0);
|
|
|
+ addr = fdt_node_offset_by_phandle(blob, addr);
|
|
|
+ priv->phyaddr = fdtdec_get_int(blob, addr,
|
|
|
+ "reg", 0);
|
|
|
+ /* init desc */
|
|
|
+ len = sizeof(struct alt_sgdma_descriptor) * 4;
|
|
|
+ if (!desc_mem) {
|
|
|
+ desc_mem = dma_alloc_coherent(len, &addr);
|
|
|
+ if (!desc_mem)
|
|
|
+ return -ENOMEM;
|
|
|
+ }
|
|
|
+ memset(desc_mem, 0, len);
|
|
|
+ priv->tx_desc = desc_mem;
|
|
|
+ priv->rx_desc = priv->tx_desc + 2;
|
|
|
+ /* allocate recv packet buffer */
|
|
|
+ priv->rx_buf = malloc_cache_aligned(PKTSIZE_ALIGN);
|
|
|
+ if (!priv->rx_buf)
|
|
|
+ return -ENOMEM;
|
|
|
|
|
|
- memset(dev, 0, sizeof *dev);
|
|
|
+ /* stop controller */
|
|
|
+ debug("Reset TSE & SGDMAs\n");
|
|
|
+ altera_tse_stop(dev);
|
|
|
|
|
|
- priv = malloc(sizeof(*priv));
|
|
|
+ /* start the phy */
|
|
|
+ priv->interface = pdata->phy_interface;
|
|
|
+ tse_mdio_init(dev->name, priv);
|
|
|
+ priv->bus = miiphy_get_dev_by_name(dev->name);
|
|
|
|
|
|
- if (!priv) {
|
|
|
- free(dev);
|
|
|
- return 0;
|
|
|
- }
|
|
|
- if (sgdma_desc_size) {
|
|
|
- if (sgdma_desc_size < (sizeof(*tx_desc) * (3 + PKTBUFSRX))) {
|
|
|
- printf("ALTERA_TSE-%hu: "
|
|
|
- "descriptor memory is too small\n", dev_num);
|
|
|
- free(priv);
|
|
|
- free(dev);
|
|
|
- return 0;
|
|
|
- }
|
|
|
- tx_desc = (struct alt_sgdma_descriptor *)sgdma_desc_base;
|
|
|
- } else {
|
|
|
- tx_desc = dma_alloc_coherent(sizeof(*tx_desc) * (3 + PKTBUFSRX),
|
|
|
- &dma_handle);
|
|
|
- }
|
|
|
+ ret = tse_phy_init(priv, dev);
|
|
|
|
|
|
- rx_desc = tx_desc + 2;
|
|
|
- debug("tx desc: address = 0x%x\n", (unsigned int)tx_desc);
|
|
|
- debug("rx desc: address = 0x%x\n", (unsigned int)rx_desc);
|
|
|
+ return ret;
|
|
|
+}
|
|
|
|
|
|
- if (!tx_desc) {
|
|
|
- free(priv);
|
|
|
- free(dev);
|
|
|
- return 0;
|
|
|
+static int altera_tse_ofdata_to_platdata(struct udevice *dev)
|
|
|
+{
|
|
|
+ struct eth_pdata *pdata = dev_get_platdata(dev);
|
|
|
+ const char *phy_mode;
|
|
|
+
|
|
|
+ pdata->phy_interface = -1;
|
|
|
+ phy_mode = fdt_getprop(gd->fdt_blob, dev->of_offset, "phy-mode", NULL);
|
|
|
+ if (phy_mode)
|
|
|
+ pdata->phy_interface = phy_get_interface_by_name(phy_mode);
|
|
|
+ if (pdata->phy_interface == -1) {
|
|
|
+ debug("%s: Invalid PHY interface '%s'\n", __func__, phy_mode);
|
|
|
+ return -EINVAL;
|
|
|
}
|
|
|
- memset(rx_desc, 0, (sizeof *rx_desc) * (PKTBUFSRX + 1));
|
|
|
- memset(tx_desc, 0, (sizeof *tx_desc) * 2);
|
|
|
-
|
|
|
- /* initialize tse priv */
|
|
|
- priv->mac_dev = (volatile struct alt_tse_mac *)mac_base;
|
|
|
- priv->sgdma_rx = (volatile struct alt_sgdma_registers *)sgdma_rx_base;
|
|
|
- priv->sgdma_tx = (volatile struct alt_sgdma_registers *)sgdma_tx_base;
|
|
|
- priv->phyaddr = CONFIG_SYS_ALTERA_TSE_PHY_ADDR;
|
|
|
- priv->flags = CONFIG_SYS_ALTERA_TSE_FLAGS;
|
|
|
- priv->rx_desc = rx_desc;
|
|
|
- priv->tx_desc = tx_desc;
|
|
|
-
|
|
|
- /* init eth structure */
|
|
|
- dev->priv = priv;
|
|
|
- dev->init = tse_eth_init;
|
|
|
- dev->halt = tse_eth_halt;
|
|
|
- dev->send = tse_eth_send;
|
|
|
- dev->recv = tse_eth_rx;
|
|
|
- dev->write_hwaddr = tse_set_mac_address;
|
|
|
- sprintf(dev->name, "%s-%hu", "ALTERA_TSE", dev_num);
|
|
|
-
|
|
|
- eth_register(dev);
|
|
|
-
|
|
|
-#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) && !defined(BITBANGMII)
|
|
|
- miiphy_register(dev->name, altera_tse_miiphy_read,
|
|
|
- altera_tse_miiphy_write);
|
|
|
-#endif
|
|
|
-
|
|
|
- init_phy(dev);
|
|
|
-
|
|
|
- return 1;
|
|
|
+
|
|
|
+ return 0;
|
|
|
}
|
|
|
+
|
|
|
+static const struct eth_ops altera_tse_ops = {
|
|
|
+ .start = altera_tse_start,
|
|
|
+ .send = altera_tse_send,
|
|
|
+ .recv = altera_tse_recv,
|
|
|
+ .free_pkt = altera_tse_free_pkt,
|
|
|
+ .stop = altera_tse_stop,
|
|
|
+ .write_hwaddr = altera_tse_write_hwaddr,
|
|
|
+};
|
|
|
+
|
|
|
+static const struct udevice_id altera_tse_ids[] = {
|
|
|
+ { .compatible = "altr,tse-1.0", },
|
|
|
+ { }
|
|
|
+};
|
|
|
+
|
|
|
+U_BOOT_DRIVER(altera_tse) = {
|
|
|
+ .name = "altera_tse",
|
|
|
+ .id = UCLASS_ETH,
|
|
|
+ .of_match = altera_tse_ids,
|
|
|
+ .ops = &altera_tse_ops,
|
|
|
+ .ofdata_to_platdata = altera_tse_ofdata_to_platdata,
|
|
|
+ .platdata_auto_alloc_size = sizeof(struct eth_pdata),
|
|
|
+ .priv_auto_alloc_size = sizeof(struct altera_tse_priv),
|
|
|
+ .probe = altera_tse_probe,
|
|
|
+};
|