diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.2/041-bcma-constants-for-PCI-and-use-them.patch')
-rw-r--r-- | target/linux/brcm47xx/patches-3.2/041-bcma-constants-for-PCI-and-use-them.patch | 334 |
1 files changed, 0 insertions, 334 deletions
diff --git a/target/linux/brcm47xx/patches-3.2/041-bcma-constants-for-PCI-and-use-them.patch b/target/linux/brcm47xx/patches-3.2/041-bcma-constants-for-PCI-and-use-them.patch deleted file mode 100644 index ab5f48198e..0000000000 --- a/target/linux/brcm47xx/patches-3.2/041-bcma-constants-for-PCI-and-use-them.patch +++ /dev/null @@ -1,334 +0,0 @@ -From 300efafa8e1381a208c723bb9d03d46bf29f1ec0 Mon Sep 17 00:00:00 2001 -From: Hauke Mehrtens <hauke@hauke-m.de> -Date: Sat, 14 Jan 2012 20:02:15 +0100 -Subject: [PATCH 24/31] bcma: constants for PCI and use them - -There are loots of magic numbers used in the PCIe code. These constants -are from the Broadcom SDK and will also used in the host controller. - -Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> ---- - drivers/bcma/driver_pci.c | 124 +++++++++++++++++++--------------- - include/linux/bcma/bcma_driver_pci.h | 85 +++++++++++++++++++++++ - 2 files changed, 155 insertions(+), 54 deletions(-) - ---- a/drivers/bcma/driver_pci.c -+++ b/drivers/bcma/driver_pci.c -@@ -4,6 +4,7 @@ - * - * Copyright 2005, Broadcom Corporation - * Copyright 2006, 2007, Michael Buesch <m@bues.ch> -+ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de> - * - * Licensed under the GNU/GPL. See COPYING for details. - */ -@@ -18,38 +19,39 @@ - - static u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address) - { -- pcicore_write32(pc, 0x130, address); -- pcicore_read32(pc, 0x130); -- return pcicore_read32(pc, 0x134); -+ pcicore_write32(pc, BCMA_CORE_PCI_PCIEIND_ADDR, address); -+ pcicore_read32(pc, BCMA_CORE_PCI_PCIEIND_ADDR); -+ return pcicore_read32(pc, BCMA_CORE_PCI_PCIEIND_DATA); - } - - #if 0 - static void bcma_pcie_write(struct bcma_drv_pci *pc, u32 address, u32 data) - { -- pcicore_write32(pc, 0x130, address); -- pcicore_read32(pc, 0x130); -- pcicore_write32(pc, 0x134, data); -+ pcicore_write32(pc, BCMA_CORE_PCI_PCIEIND_ADDR, address); -+ pcicore_read32(pc, BCMA_CORE_PCI_PCIEIND_ADDR); -+ pcicore_write32(pc, BCMA_CORE_PCI_PCIEIND_DATA, data); - } - #endif - - static void bcma_pcie_mdio_set_phy(struct bcma_drv_pci *pc, u8 phy) - { -- const u16 mdio_control = 0x128; -- const u16 mdio_data = 0x12C; - u32 v; - int i; - -- v = (1 << 30); /* Start of Transaction */ -- v |= (1 << 28); /* Write Transaction */ -- v |= (1 << 17); /* Turnaround */ -- v |= (0x1F << 18); -+ v = BCMA_CORE_PCI_MDIODATA_START; -+ v |= BCMA_CORE_PCI_MDIODATA_WRITE; -+ v |= (BCMA_CORE_PCI_MDIODATA_DEV_ADDR << -+ BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF); -+ v |= (BCMA_CORE_PCI_MDIODATA_BLK_ADDR << -+ BCMA_CORE_PCI_MDIODATA_REGADDR_SHF); -+ v |= BCMA_CORE_PCI_MDIODATA_TA; - v |= (phy << 4); -- pcicore_write32(pc, mdio_data, v); -+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_DATA, v); - - udelay(10); - for (i = 0; i < 200; i++) { -- v = pcicore_read32(pc, mdio_control); -- if (v & 0x100 /* Trans complete */) -+ v = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_CONTROL); -+ if (v & BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE) - break; - msleep(1); - } -@@ -57,79 +59,84 @@ static void bcma_pcie_mdio_set_phy(struc - - static u16 bcma_pcie_mdio_read(struct bcma_drv_pci *pc, u8 device, u8 address) - { -- const u16 mdio_control = 0x128; -- const u16 mdio_data = 0x12C; - int max_retries = 10; - u16 ret = 0; - u32 v; - int i; - -- v = 0x80; /* Enable Preamble Sequence */ -- v |= 0x2; /* MDIO Clock Divisor */ -- pcicore_write32(pc, mdio_control, v); -+ /* enable mdio access to SERDES */ -+ v = BCMA_CORE_PCI_MDIOCTL_PREAM_EN; -+ v |= BCMA_CORE_PCI_MDIOCTL_DIVISOR_VAL; -+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, v); - - if (pc->core->id.rev >= 10) { - max_retries = 200; - bcma_pcie_mdio_set_phy(pc, device); -+ v = (BCMA_CORE_PCI_MDIODATA_DEV_ADDR << -+ BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF); -+ v |= (address << BCMA_CORE_PCI_MDIODATA_REGADDR_SHF); -+ } else { -+ v = (device << BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF_OLD); -+ v |= (address << BCMA_CORE_PCI_MDIODATA_REGADDR_SHF_OLD); - } - -- v = (1 << 30); /* Start of Transaction */ -- v |= (1 << 29); /* Read Transaction */ -- v |= (1 << 17); /* Turnaround */ -- if (pc->core->id.rev < 10) -- v |= (u32)device << 22; -- v |= (u32)address << 18; -- pcicore_write32(pc, mdio_data, v); -+ v = BCMA_CORE_PCI_MDIODATA_START; -+ v |= BCMA_CORE_PCI_MDIODATA_READ; -+ v |= BCMA_CORE_PCI_MDIODATA_TA; -+ -+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_DATA, v); - /* Wait for the device to complete the transaction */ - udelay(10); - for (i = 0; i < max_retries; i++) { -- v = pcicore_read32(pc, mdio_control); -- if (v & 0x100 /* Trans complete */) { -+ v = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_CONTROL); -+ if (v & BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE) { - udelay(10); -- ret = pcicore_read32(pc, mdio_data); -+ ret = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_DATA); - break; - } - msleep(1); - } -- pcicore_write32(pc, mdio_control, 0); -+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, 0); - return ret; - } - - static void bcma_pcie_mdio_write(struct bcma_drv_pci *pc, u8 device, - u8 address, u16 data) - { -- const u16 mdio_control = 0x128; -- const u16 mdio_data = 0x12C; - int max_retries = 10; - u32 v; - int i; - -- v = 0x80; /* Enable Preamble Sequence */ -- v |= 0x2; /* MDIO Clock Divisor */ -- pcicore_write32(pc, mdio_control, v); -+ /* enable mdio access to SERDES */ -+ v = BCMA_CORE_PCI_MDIOCTL_PREAM_EN; -+ v |= BCMA_CORE_PCI_MDIOCTL_DIVISOR_VAL; -+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, v); - - if (pc->core->id.rev >= 10) { - max_retries = 200; - bcma_pcie_mdio_set_phy(pc, device); -+ v = (BCMA_CORE_PCI_MDIODATA_DEV_ADDR << -+ BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF); -+ v |= (address << BCMA_CORE_PCI_MDIODATA_REGADDR_SHF); -+ } else { -+ v = (device << BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF_OLD); -+ v |= (address << BCMA_CORE_PCI_MDIODATA_REGADDR_SHF_OLD); - } - -- v = (1 << 30); /* Start of Transaction */ -- v |= (1 << 28); /* Write Transaction */ -- v |= (1 << 17); /* Turnaround */ -- if (pc->core->id.rev < 10) -- v |= (u32)device << 22; -- v |= (u32)address << 18; -+ v = BCMA_CORE_PCI_MDIODATA_START; -+ v |= BCMA_CORE_PCI_MDIODATA_WRITE; -+ v |= BCMA_CORE_PCI_MDIODATA_TA; - v |= data; -- pcicore_write32(pc, mdio_data, v); -+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_DATA, v); - /* Wait for the device to complete the transaction */ - udelay(10); - for (i = 0; i < max_retries; i++) { -- v = pcicore_read32(pc, mdio_control); -- if (v & 0x100 /* Trans complete */) -+ v = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_CONTROL); -+ if (v & BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE) - break; - msleep(1); - } -- pcicore_write32(pc, mdio_control, 0); -+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, 0); - } - - /************************************************** -@@ -138,20 +145,29 @@ static void bcma_pcie_mdio_write(struct - - static u8 bcma_pcicore_polarity_workaround(struct bcma_drv_pci *pc) - { -- return (bcma_pcie_read(pc, 0x204) & 0x10) ? 0xC0 : 0x80; -+ u32 tmp; -+ -+ tmp = bcma_pcie_read(pc, BCMA_CORE_PCI_PLP_STATUSREG); -+ if (tmp & BCMA_CORE_PCI_PLP_POLARITYINV_STAT) -+ return BCMA_CORE_PCI_SERDES_RX_CTRL_FORCE | -+ BCMA_CORE_PCI_SERDES_RX_CTRL_POLARITY; -+ else -+ return BCMA_CORE_PCI_SERDES_RX_CTRL_FORCE; - } - - static void bcma_pcicore_serdes_workaround(struct bcma_drv_pci *pc) - { -- const u8 serdes_pll_device = 0x1D; -- const u8 serdes_rx_device = 0x1F; - u16 tmp; - -- bcma_pcie_mdio_write(pc, serdes_rx_device, 1 /* Control */, -- bcma_pcicore_polarity_workaround(pc)); -- tmp = bcma_pcie_mdio_read(pc, serdes_pll_device, 1 /* Control */); -- if (tmp & 0x4000) -- bcma_pcie_mdio_write(pc, serdes_pll_device, 1, tmp & ~0x4000); -+ bcma_pcie_mdio_write(pc, BCMA_CORE_PCI_MDIODATA_DEV_RX, -+ BCMA_CORE_PCI_SERDES_RX_CTRL, -+ bcma_pcicore_polarity_workaround(pc)); -+ tmp = bcma_pcie_mdio_read(pc, BCMA_CORE_PCI_MDIODATA_DEV_PLL, -+ BCMA_CORE_PCI_SERDES_PLL_CTRL); -+ if (tmp & BCMA_CORE_PCI_PLL_CTRL_FREQDET_EN) -+ bcma_pcie_mdio_write(pc, BCMA_CORE_PCI_MDIODATA_DEV_PLL, -+ BCMA_CORE_PCI_SERDES_PLL_CTRL, -+ tmp & ~BCMA_CORE_PCI_PLL_CTRL_FREQDET_EN); - } - - /************************************************** ---- a/include/linux/bcma/bcma_driver_pci.h -+++ b/include/linux/bcma/bcma_driver_pci.h -@@ -53,6 +53,35 @@ struct pci_dev; - #define BCMA_CORE_PCI_SBTOPCI1_MASK 0xFC000000 - #define BCMA_CORE_PCI_SBTOPCI2 0x0108 /* Backplane to PCI translation 2 (sbtopci2) */ - #define BCMA_CORE_PCI_SBTOPCI2_MASK 0xC0000000 -+#define BCMA_CORE_PCI_CONFIG_ADDR 0x0120 /* pcie config space access */ -+#define BCMA_CORE_PCI_CONFIG_DATA 0x0124 /* pcie config space access */ -+#define BCMA_CORE_PCI_MDIO_CONTROL 0x0128 /* controls the mdio access */ -+#define BCMA_CORE_PCI_MDIOCTL_DIVISOR_MASK 0x7f /* clock to be used on MDIO */ -+#define BCMA_CORE_PCI_MDIOCTL_DIVISOR_VAL 0x2 -+#define BCMA_CORE_PCI_MDIOCTL_PREAM_EN 0x80 /* Enable preamble sequnce */ -+#define BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE 0x100 /* Tranaction complete */ -+#define BCMA_CORE_PCI_MDIO_DATA 0x012c /* Data to the mdio access */ -+#define BCMA_CORE_PCI_MDIODATA_MASK 0x0000ffff /* data 2 bytes */ -+#define BCMA_CORE_PCI_MDIODATA_TA 0x00020000 /* Turnaround */ -+#define BCMA_CORE_PCI_MDIODATA_REGADDR_SHF_OLD 18 /* Regaddr shift (rev < 10) */ -+#define BCMA_CORE_PCI_MDIODATA_REGADDR_MASK_OLD 0x003c0000 /* Regaddr Mask (rev < 10) */ -+#define BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF_OLD 22 /* Physmedia devaddr shift (rev < 10) */ -+#define BCMA_CORE_PCI_MDIODATA_DEVADDR_MASK_OLD 0x0fc00000 /* Physmedia devaddr Mask (rev < 10) */ -+#define BCMA_CORE_PCI_MDIODATA_REGADDR_SHF 18 /* Regaddr shift */ -+#define BCMA_CORE_PCI_MDIODATA_REGADDR_MASK 0x007c0000 /* Regaddr Mask */ -+#define BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF 23 /* Physmedia devaddr shift */ -+#define BCMA_CORE_PCI_MDIODATA_DEVADDR_MASK 0x0f800000 /* Physmedia devaddr Mask */ -+#define BCMA_CORE_PCI_MDIODATA_WRITE 0x10000000 /* write Transaction */ -+#define BCMA_CORE_PCI_MDIODATA_READ 0x20000000 /* Read Transaction */ -+#define BCMA_CORE_PCI_MDIODATA_START 0x40000000 /* start of Transaction */ -+#define BCMA_CORE_PCI_MDIODATA_DEV_ADDR 0x0 /* dev address for serdes */ -+#define BCMA_CORE_PCI_MDIODATA_BLK_ADDR 0x1F /* blk address for serdes */ -+#define BCMA_CORE_PCI_MDIODATA_DEV_PLL 0x1d /* SERDES PLL Dev */ -+#define BCMA_CORE_PCI_MDIODATA_DEV_TX 0x1e /* SERDES TX Dev */ -+#define BCMA_CORE_PCI_MDIODATA_DEV_RX 0x1f /* SERDES RX Dev */ -+#define BCMA_CORE_PCI_PCIEIND_ADDR 0x0130 /* indirect access to the internal register */ -+#define BCMA_CORE_PCI_PCIEIND_DATA 0x0134 /* Data to/from the internal regsiter */ -+#define BCMA_CORE_PCI_CLKREQENCTRL 0x0138 /* >= rev 6, Clkreq rdma control */ - #define BCMA_CORE_PCI_PCICFG0 0x0400 /* PCI config space 0 (rev >= 8) */ - #define BCMA_CORE_PCI_PCICFG1 0x0500 /* PCI config space 1 (rev >= 8) */ - #define BCMA_CORE_PCI_PCICFG2 0x0600 /* PCI config space 2 (rev >= 8) */ -@@ -72,6 +101,62 @@ struct pci_dev; - #define BCMA_CORE_PCI_SBTOPCI_RC_READL 0x00000010 /* Memory read line */ - #define BCMA_CORE_PCI_SBTOPCI_RC_READM 0x00000020 /* Memory read multiple */ - -+/* PCIE protocol PHY diagnostic registers */ -+#define BCMA_CORE_PCI_PLP_MODEREG 0x200 /* Mode */ -+#define BCMA_CORE_PCI_PLP_STATUSREG 0x204 /* Status */ -+#define BCMA_CORE_PCI_PLP_POLARITYINV_STAT 0x10 /* Status reg PCIE_PLP_STATUSREG */ -+#define BCMA_CORE_PCI_PLP_LTSSMCTRLREG 0x208 /* LTSSM control */ -+#define BCMA_CORE_PCI_PLP_LTLINKNUMREG 0x20c /* Link Training Link number */ -+#define BCMA_CORE_PCI_PLP_LTLANENUMREG 0x210 /* Link Training Lane number */ -+#define BCMA_CORE_PCI_PLP_LTNFTSREG 0x214 /* Link Training N_FTS */ -+#define BCMA_CORE_PCI_PLP_ATTNREG 0x218 /* Attention */ -+#define BCMA_CORE_PCI_PLP_ATTNMASKREG 0x21C /* Attention Mask */ -+#define BCMA_CORE_PCI_PLP_RXERRCTR 0x220 /* Rx Error */ -+#define BCMA_CORE_PCI_PLP_RXFRMERRCTR 0x224 /* Rx Framing Error */ -+#define BCMA_CORE_PCI_PLP_RXERRTHRESHREG 0x228 /* Rx Error threshold */ -+#define BCMA_CORE_PCI_PLP_TESTCTRLREG 0x22C /* Test Control reg */ -+#define BCMA_CORE_PCI_PLP_SERDESCTRLOVRDREG 0x230 /* SERDES Control Override */ -+#define BCMA_CORE_PCI_PLP_TIMINGOVRDREG 0x234 /* Timing param override */ -+#define BCMA_CORE_PCI_PLP_RXTXSMDIAGREG 0x238 /* RXTX State Machine Diag */ -+#define BCMA_CORE_PCI_PLP_LTSSMDIAGREG 0x23C /* LTSSM State Machine Diag */ -+ -+/* PCIE protocol DLLP diagnostic registers */ -+#define BCMA_CORE_PCI_DLLP_LCREG 0x100 /* Link Control */ -+#define BCMA_CORE_PCI_DLLP_LSREG 0x104 /* Link Status */ -+#define BCMA_CORE_PCI_DLLP_LAREG 0x108 /* Link Attention */ -+#define BCMA_CORE_PCI_DLLP_LSREG_LINKUP (1 << 16) -+#define BCMA_CORE_PCI_DLLP_LAMASKREG 0x10C /* Link Attention Mask */ -+#define BCMA_CORE_PCI_DLLP_NEXTTXSEQNUMREG 0x110 /* Next Tx Seq Num */ -+#define BCMA_CORE_PCI_DLLP_ACKEDTXSEQNUMREG 0x114 /* Acked Tx Seq Num */ -+#define BCMA_CORE_PCI_DLLP_PURGEDTXSEQNUMREG 0x118 /* Purged Tx Seq Num */ -+#define BCMA_CORE_PCI_DLLP_RXSEQNUMREG 0x11C /* Rx Sequence Number */ -+#define BCMA_CORE_PCI_DLLP_LRREG 0x120 /* Link Replay */ -+#define BCMA_CORE_PCI_DLLP_LACKTOREG 0x124 /* Link Ack Timeout */ -+#define BCMA_CORE_PCI_DLLP_PMTHRESHREG 0x128 /* Power Management Threshold */ -+#define BCMA_CORE_PCI_DLLP_RTRYWPREG 0x12C /* Retry buffer write ptr */ -+#define BCMA_CORE_PCI_DLLP_RTRYRPREG 0x130 /* Retry buffer Read ptr */ -+#define BCMA_CORE_PCI_DLLP_RTRYPPREG 0x134 /* Retry buffer Purged ptr */ -+#define BCMA_CORE_PCI_DLLP_RTRRWREG 0x138 /* Retry buffer Read/Write */ -+#define BCMA_CORE_PCI_DLLP_ECTHRESHREG 0x13C /* Error Count Threshold */ -+#define BCMA_CORE_PCI_DLLP_TLPERRCTRREG 0x140 /* TLP Error Counter */ -+#define BCMA_CORE_PCI_DLLP_ERRCTRREG 0x144 /* Error Counter */ -+#define BCMA_CORE_PCI_DLLP_NAKRXCTRREG 0x148 /* NAK Received Counter */ -+#define BCMA_CORE_PCI_DLLP_TESTREG 0x14C /* Test */ -+#define BCMA_CORE_PCI_DLLP_PKTBIST 0x150 /* Packet BIST */ -+#define BCMA_CORE_PCI_DLLP_PCIE11 0x154 /* DLLP PCIE 1.1 reg */ -+ -+/* SERDES RX registers */ -+#define BCMA_CORE_PCI_SERDES_RX_CTRL 1 /* Rx cntrl */ -+#define BCMA_CORE_PCI_SERDES_RX_CTRL_FORCE 0x80 /* rxpolarity_force */ -+#define BCMA_CORE_PCI_SERDES_RX_CTRL_POLARITY 0x40 /* rxpolarity_value */ -+#define BCMA_CORE_PCI_SERDES_RX_TIMER1 2 /* Rx Timer1 */ -+#define BCMA_CORE_PCI_SERDES_RX_CDR 6 /* CDR */ -+#define BCMA_CORE_PCI_SERDES_RX_CDRBW 7 /* CDR BW */ -+ -+/* SERDES PLL registers */ -+#define BCMA_CORE_PCI_SERDES_PLL_CTRL 1 /* PLL control reg */ -+#define BCMA_CORE_PCI_PLL_CTRL_FREQDET_EN 0x4000 /* bit 14 is FREQDET on */ -+ - /* PCIcore specific boardflags */ - #define BCMA_CORE_PCI_BFL_NOPCI 0x00000400 /* Board leaves PCI floating */ - |