diff options
Diffstat (limited to 'target/linux/coldfire/patches/010-m5445x_fec.patch')
| -rw-r--r-- | target/linux/coldfire/patches/010-m5445x_fec.patch | 392 |
1 files changed, 0 insertions, 392 deletions
diff --git a/target/linux/coldfire/patches/010-m5445x_fec.patch b/target/linux/coldfire/patches/010-m5445x_fec.patch deleted file mode 100644 index 0a87bd4cde..0000000000 --- a/target/linux/coldfire/patches/010-m5445x_fec.patch +++ /dev/null @@ -1,392 +0,0 @@ -From c562ab80fe383e6fa49dbe38257421cf37f0e4b3 Mon Sep 17 00:00:00 2001 -From: Kurt Mahan <kmahan@freescale.com> -Date: Wed, 31 Oct 2007 17:07:25 -0600 -Subject: [PATCH] MCF5445x FEC support. - -LTIBName: m5445x-fec -Signed-off-by: Kurt Mahan <kmahan@freescale.com> ---- - drivers/net/Kconfig | 8 ++- - drivers/net/fec.c | 207 ++++++++++++++++++++++++++++++++++++++++++++++---- - drivers/net/fec.h | 2 +- - 3 files changed, 198 insertions(+), 19 deletions(-) - ---- a/drivers/net/Kconfig -+++ b/drivers/net/Kconfig -@@ -1973,7 +1973,7 @@ config 68360_ENET - - config FEC - bool "FEC ethernet controller (of ColdFire CPUs)" -- depends on M523x || M527x || M5272 || M528x || M520x -+ depends on M523x || M527x || M5272 || M528x || M520x || M54455 - help - Say Y here if you want to use the built-in 10/100 Fast ethernet - controller on some Motorola ColdFire processors. -@@ -1985,6 +1985,12 @@ config FEC2 - Say Y here if you want to use the second built-in 10/100 Fast - ethernet controller on some Motorola ColdFire processors. - -+config FEC_SHARED_PHY -+ bool "Shared PHY interface(on some ColdFire designs)" -+ depends on FEC2 -+ help -+ Say Y here if both PHYs are controlled via a single channel. -+ - config FEC_MPC52xx - tristate "MPC52xx FEC driver" - depends on PPC_MERGE && PPC_MPC52xx && PPC_BESTCOMM_FEC ---- a/drivers/net/fec.c -+++ b/drivers/net/fec.c -@@ -51,7 +51,9 @@ - - #if defined(CONFIG_M523x) || defined(CONFIG_M527x) || \ - defined(CONFIG_M5272) || defined(CONFIG_M528x) || \ -- defined(CONFIG_M520x) || defined(CONFIG_M532x) -+ defined(CONFIG_M520x) || defined(CONFIG_M532x) || \ -+ defined(CONFIG_M54455) -+ - #include <asm/coldfire.h> - #include <asm/mcfsim.h> - #include "fec.h" -@@ -82,6 +84,11 @@ static unsigned int fec_hw[] = { - (MCF_MBAR+0x30000), - #elif defined(CONFIG_M532x) - (MCF_MBAR+0xfc030000), -+#elif defined(CONFIG_M54455) -+ (MCF_MBAR+0xfc030000), -+#if defined(CONFIG_FEC2) -+ (MCF_MBAR+0xfc034000), -+#endif - #else - &(((immap_t *)IMAP_ADDR)->im_cpm.cp_fec), - #endif -@@ -172,7 +179,7 @@ typedef struct { - * account when setting it. - */ - #if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ -- defined(CONFIG_M520x) || defined(CONFIG_M532x) -+ defined(CONFIG_M520x) || defined(CONFIG_M532x) || defined(CONFIG_M54455) - #define OPT_FRAME_SIZE (PKT_MAXBUF_SIZE << 16) - #else - #define OPT_FRAME_SIZE 0 -@@ -213,6 +220,7 @@ struct fec_enet_private { - uint phy_speed; - phy_info_t const *phy; - struct work_struct phy_task; -+ volatile fec_t *phy_hwp; - - uint sequence_done; - uint mii_phy_task_queued; -@@ -349,7 +357,8 @@ fec_enet_start_xmit(struct sk_buff *skb, - if (bdp->cbd_bufaddr & 0x3) { - unsigned int index; - index = bdp - fep->tx_bd_base; -- memcpy(fep->tx_bounce[index], (void *) bdp->cbd_bufaddr, bdp->cbd_datlen); -+ memcpy(fep->tx_bounce[index], -+ (void *)skb->data, bdp->cbd_datlen); - bdp->cbd_bufaddr = __pa(fep->tx_bounce[index]); - } - -@@ -702,7 +711,7 @@ fec_enet_mii(struct net_device *dev) - uint mii_reg; - - fep = netdev_priv(dev); -- ep = fep->hwp; -+ ep = fep->phy_hwp; - mii_reg = ep->fec_mii_data; - - spin_lock(&fep->lock); -@@ -753,7 +762,7 @@ mii_queue(struct net_device *dev, int re - mii_tail = mip; - } else { - mii_head = mii_tail = mip; -- fep->hwp->fec_mii_data = regval; -+ fep->phy_hwp->fec_mii_data = regval; - } - } else { - retval = 1; -@@ -1151,8 +1160,7 @@ static phy_info_t const phy_info_ks8721b - }; - - /* ------------------------------------------------------------------------- */ --/* register definitions for the DP83848 */ -- -+/* register definitions for the DP83848 and DP83849 */ - #define MII_DP8384X_PHYSTST 16 /* PHY Status Register */ - - static void mii_parse_dp8384x_sr2(uint mii_reg, struct net_device *dev) -@@ -1186,27 +1194,50 @@ static void mii_parse_dp8384x_sr2(uint m - *s |= PHY_STAT_FAULT; - } - -+static phy_cmd_t const phy_cmd_dp8384x_ack_int[] = { -+ { mk_mii_end, } -+ }; -+ -+static phy_cmd_t const phy_cmd_dp8384x_shutdown[] = { -+ { mk_mii_end, } -+ }; -+ - static phy_info_t phy_info_dp83848= { -- 0x020005c9, -- "DP83848", -+ .id = 0x020005c9, -+ .name = "DP83848", - -- (const phy_cmd_t []) { /* config */ -+ .config = (const phy_cmd_t []) { /* config */ - { mk_mii_read(MII_REG_CR), mii_parse_cr }, - { mk_mii_read(MII_REG_ANAR), mii_parse_anar }, - { mk_mii_read(MII_DP8384X_PHYSTST), mii_parse_dp8384x_sr2 }, - { mk_mii_end, } - }, -- (const phy_cmd_t []) { /* startup - enable interrupts */ -+ .startup = (const phy_cmd_t []) { /* startup - enable interrupts */ - { mk_mii_write(MII_REG_CR, 0x1200), NULL }, /* autonegotiate */ - { mk_mii_read(MII_REG_SR), mii_parse_sr }, - { mk_mii_end, } - }, -- (const phy_cmd_t []) { /* ack_int - never happens, no interrupt */ -+ .ack_int = phy_cmd_dp8384x_ack_int, -+ .shutdown = phy_cmd_dp8384x_shutdown, -+}; -+ -+static phy_info_t phy_info_dp83849 = { -+ .id = 0x020005ca, -+ .name = "DP83849", -+ -+ .config = (const phy_cmd_t []) { /* config */ -+ { mk_mii_read(MII_REG_CR), mii_parse_cr }, -+ { mk_mii_read(MII_REG_ANAR), mii_parse_anar }, -+ { mk_mii_read(MII_DP8384X_PHYSTST), mii_parse_dp8384x_sr2 }, - { mk_mii_end, } - }, -- (const phy_cmd_t []) { /* shutdown */ -+ .startup = (const phy_cmd_t []) { /* startup - enable interrupts */ -+ { mk_mii_write(MII_REG_CR, 0x1200), NULL }, /* autonegotiate */ -+ { mk_mii_read(MII_REG_SR), mii_parse_sr }, - { mk_mii_end, } - }, -+ .ack_int = phy_cmd_dp8384x_ack_int, -+ .shutdown = phy_cmd_dp8384x_shutdown, - }; - - /* ------------------------------------------------------------------------- */ -@@ -1218,6 +1249,7 @@ static phy_info_t const * const phy_info - &phy_info_am79c874, - &phy_info_ks8721bl, - &phy_info_dp83848, -+ &phy_info_dp83849, - NULL - }; - -@@ -1799,6 +1831,138 @@ static void __inline__ fec_uncache(unsig - - /* ------------------------------------------------------------------------- */ - -+#elif defined(CONFIG_M54455) -+/* -+ * Code specific for M54455 -+ */ -+ -+static void __inline__ fec_request_intrs(struct net_device *dev) -+{ -+ struct fec_enet_private *fep; -+ int b; -+ static const struct idesc { -+ char *name; -+ unsigned short irq; -+ } *idp, id[] = { -+ { "fec(TXF)", 36 }, -+ { "fec(TXB)", 37 }, -+ { "fec(TXFIFO)", 38 }, -+ { "fec(TXCR)", 39 }, -+ { "fec(RXF)", 40 }, -+ { "fec(RXB)", 41 }, -+ { "fec(MII)", 42 }, -+ { "fec(LC)", 43 }, -+ { "fec(HBERR)", 44 }, -+ { "fec(GRA)", 45 }, -+ { "fec(EBERR)", 46 }, -+ { "fec(BABT)", 47 }, -+ { "fec(BABR)", 48 }, -+ { NULL }, -+ }; -+ -+ fep = netdev_priv(dev); -+ b = (fep->index) ? 77 : 64; -+ -+ /* Setup interrupt handlers. */ -+ for (idp = id; idp->name; idp++) { -+ if (request_irq(b+idp->irq, fec_enet_interrupt, 0, -+ idp->name, dev) != 0) -+ printk(KERN_ERR "FEC: Could not alloc %s IRQ(%d)!\n", -+ idp->name, b+idp->irq); -+ } -+ -+ if (fep->index) { -+ /* Configure RMII */ -+ MCF_GPIO_PAR_FEC = (MCF_GPIO_PAR_FEC & -+ MCF_GPIO_PAR_FEC_FEC1_MASK) | -+ MCF_GPIO_PAR_FEC_FEC1_RMII_GPIO; -+ } else { -+ /* Configure RMII */ -+ MCF_GPIO_PAR_FEC = (MCF_GPIO_PAR_FEC & -+ MCF_GPIO_PAR_FEC_FEC0_MASK) | -+ MCF_GPIO_PAR_FEC_FEC0_RMII_GPIO; -+ } -+ -+ /* Set up gpio outputs for MII lines on FEC0 */ -+ MCF_GPIO_PAR_FECI2C |= (0 | -+ MCF_GPIO_PAR_FECI2C_MDIO0_MDIO0 | -+ MCF_GPIO_PAR_FECI2C_MDC0_MDC0); -+} -+ -+static void __inline__ fec_set_mii(struct net_device *dev, -+ struct fec_enet_private *fep) -+{ -+ volatile fec_t *fecp; -+ -+ fecp = fep->hwp; -+ fecp->fec_r_cntrl = OPT_FRAME_SIZE | 0x04; -+ fecp->fec_x_cntrl = 0x00; -+ -+ /* -+ * Set MII speed to 2.5 MHz -+ */ -+ fep->phy_speed = ((((MCF_CLK / 2) / (2500000 / 10)) + 5) / 10) * 2; -+ fecp->fec_mii_speed = fep->phy_speed; -+ -+ fec_restart(dev, 0); -+} -+ -+static void __inline__ fec_get_mac(struct net_device *dev) -+{ -+ struct fec_enet_private *fep = netdev_priv(dev); -+ volatile fec_t *fecp; -+ unsigned char *iap, tmpaddr[ETH_ALEN]; -+ -+ fecp = fep->hwp; -+ -+ if (FEC_FLASHMAC) { -+ /* -+ * Get MAC address from FLASH. -+ * If it is all 1's or 0's, use the default. -+ */ -+ iap = FEC_FLASHMAC; -+ if ((iap[0] == 0) && (iap[1] == 0) && (iap[2] == 0) && -+ (iap[3] == 0) && (iap[4] == 0) && (iap[5] == 0)) -+ iap = fec_mac_default; -+ if ((iap[0] == 0xff) && (iap[1] == 0xff) && (iap[2] == 0xff) && -+ (iap[3] == 0xff) && (iap[4] == 0xff) && (iap[5] == 0xff)) -+ iap = fec_mac_default; -+ } else { -+ *((unsigned long *) &tmpaddr[0]) = fecp->fec_addr_low; -+ *((unsigned short *) &tmpaddr[4]) = (fecp->fec_addr_high >> 16); -+ iap = &tmpaddr[0]; -+ } -+ -+ memcpy(dev->dev_addr, iap, ETH_ALEN); -+ -+ /* Adjust MAC if using default MAC address */ -+ if (iap == fec_mac_default) -+ dev->dev_addr[ETH_ALEN-1] = fec_mac_default[ETH_ALEN-1] + -+ fep->index; -+} -+ -+static void __inline__ fec_enable_phy_intr(void) -+{ -+} -+ -+static void __inline__ fec_disable_phy_intr(void) -+{ -+} -+ -+static void __inline__ fec_phy_ack_intr(void) -+{ -+} -+ -+static void __inline__ fec_localhw_setup(void) -+{ -+} -+ -+static void __inline__ fec_uncache(unsigned long addr) -+{ -+} -+ -+/* ------------------------------------------------------------------------- */ -+ - - #else - -@@ -2305,7 +2469,7 @@ fec_set_mac_address(struct net_device *d - - } - --/* Initialize the FEC Ethernet on 860T (or ColdFire 5272). -+/* Initialize the FEC Ethernet. - */ - /* - * XXX: We need to clean up on failure exits here. -@@ -2326,7 +2490,7 @@ int __init fec_enet_init(struct net_devi - - /* Allocate memory for buffer descriptors. - */ -- mem_addr = __get_free_page(GFP_KERNEL); -+ mem_addr = __get_free_page(GFP_DMA); - if (mem_addr == 0) { - printk("FEC: allocate descriptor memory failed?\n"); - return -ENOMEM; -@@ -2339,6 +2503,11 @@ int __init fec_enet_init(struct net_devi - fep->index = index; - fep->hwp = fecp; - fep->netdev = dev; -+#ifdef CONFIG_FEC_SHARED_PHY -+ fep->phy_hwp = (volatile fec_t *) fec_hw[index & ~1]; -+#else -+ fep->phy_hwp = fecp; -+#endif - - /* Whack a reset. We should wait for this. - */ -@@ -2375,7 +2544,7 @@ int __init fec_enet_init(struct net_devi - - /* Allocate a page. - */ -- mem_addr = __get_free_page(GFP_KERNEL); -+ mem_addr = __get_free_page(GFP_DMA); - /* XXX: missing check for allocation failure */ - - fec_uncache(mem_addr); -@@ -2400,7 +2569,7 @@ int __init fec_enet_init(struct net_devi - bdp = fep->tx_bd_base; - for (i=0, j=FEC_ENET_TX_FRPPG; i<TX_RING_SIZE; i++) { - if (j >= FEC_ENET_TX_FRPPG) { -- mem_addr = __get_free_page(GFP_KERNEL); -+ mem_addr = __get_free_page(GFP_DMA); - j = 1; - } else { - mem_addr += FEC_ENET_TX_FRSIZE; -@@ -2462,7 +2631,11 @@ int __init fec_enet_init(struct net_devi - * remainder of the interface. - */ - fep->phy_id_done = 0; -+#ifndef CONFIG_FEC_SHARED_PHY - fep->phy_addr = 0; -+#else -+ fep->phy_addr = fep->index; -+#endif - mii_queue(dev, mk_mii_read(MII_REG_PHYIR1), mii_discover_phy); - - index++; ---- a/drivers/net/fec.h -+++ b/drivers/net/fec.h -@@ -14,7 +14,7 @@ - /****************************************************************************/ - - #if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ -- defined(CONFIG_M520x) || defined(CONFIG_M532x) -+ defined(CONFIG_M520x) || defined(CONFIG_M532x) || defined(CONFIG_M54455) - /* - * Just figures, Motorola would have to change the offsets for - * registers in the same peripheral device on different models |