Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
[safe/jmp/linux-2.6] / arch / powerpc / platforms / 85xx / mpc85xx_mds.c
index 6913e99..f0684c8 100644 (file)
 #include <linux/initrd.h>
 #include <linux/module.h>
 #include <linux/fsl_devices.h>
+#include <linux/of_platform.h>
+#include <linux/of_device.h>
+#include <linux/phy.h>
+#include <linux/lmb.h>
 
-#include <asm/of_device.h>
-#include <asm/of_platform.h>
 #include <asm/system.h>
 #include <asm/atomic.h>
 #include <asm/time.h>
 #include <asm/io.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc85xx.h>
 #include <asm/irq.h>
 #include <mm/mmu_decl.h>
 #include <asm/prom.h>
 #include <asm/udbg.h>
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
+#include <sysdev/simple_gpio.h>
 #include <asm/qe.h>
 #include <asm/qe_ic.h>
 #include <asm/mpic.h>
+#include <asm/swiotlb.h>
 
 #undef DEBUG
 #ifdef DEBUG
 #define DBG(fmt...)
 #endif
 
+#define MV88E1111_SCR  0x10
+#define MV88E1111_SCR_125CLK   0x0010
+static int mpc8568_fixup_125_clock(struct phy_device *phydev)
+{
+       int scr;
+       int err;
+
+       /* Workaround for the 125 CLK Toggle */
+       scr = phy_read(phydev, MV88E1111_SCR);
+
+       if (scr < 0)
+               return scr;
+
+       err = phy_write(phydev, MV88E1111_SCR, scr & ~(MV88E1111_SCR_125CLK));
+
+       if (err)
+               return err;
+
+       err = phy_write(phydev, MII_BMCR, BMCR_RESET);
+
+       if (err)
+               return err;
+
+       scr = phy_read(phydev, MV88E1111_SCR);
+
+       if (scr < 0)
+               return scr;
+
+       err = phy_write(phydev, MV88E1111_SCR, scr | 0x0008);
+
+       return err;
+}
+
+static int mpc8568_mds_phy_fixups(struct phy_device *phydev)
+{
+       int temp;
+       int err;
+
+       /* Errata */
+       err = phy_write(phydev,29, 0x0006);
+
+       if (err)
+               return err;
+
+       temp = phy_read(phydev, 30);
+
+       if (temp < 0)
+               return temp;
+
+       temp = (temp & (~0x8000)) | 0x4000;
+       err = phy_write(phydev,30, temp);
+
+       if (err)
+               return err;
+
+       err = phy_write(phydev,29, 0x000a);
+
+       if (err)
+               return err;
+
+       temp = phy_read(phydev, 30);
+
+       if (temp < 0)
+               return temp;
+
+       temp = phy_read(phydev, 30);
+
+       if (temp < 0)
+               return temp;
+
+       temp &= ~0x0020;
+
+       err = phy_write(phydev,30,temp);
+
+       if (err)
+               return err;
+
+       /* Disable automatic MDI/MDIX selection */
+       temp = phy_read(phydev, 16);
+
+       if (temp < 0)
+               return temp;
+
+       temp &= ~0x0060;
+       err = phy_write(phydev,16,temp);
+
+       return err;
+}
+
 /* ************************************************************************
  *
  * Setup the architecture
 static void __init mpc85xx_mds_setup_arch(void)
 {
        struct device_node *np;
-       static u8 *bcsr_regs = NULL;
+       static u8 __iomem *bcsr_regs = NULL;
+#ifdef CONFIG_PCI
+       struct pci_controller *hose;
+#endif
+       dma_addr_t max = 0xffffffff;
 
        if (ppc_md.progress)
                ppc_md.progress("mpc85xx_mds_setup_arch()", 0);
@@ -90,70 +186,167 @@ static void __init mpc85xx_mds_setup_arch(void)
                                fsl_add_bridge(np, 1);
                        else
                                fsl_add_bridge(np, 0);
+
+                       hose = pci_find_hose_for_OF_device(np);
+                       max = min(max, hose->dma_window_base_cur +
+                                       hose->dma_window_size);
                }
        }
 #endif
 
 #ifdef CONFIG_QUICC_ENGINE
-       if ((np = of_find_node_by_name(NULL, "qe")) != NULL) {
-               qe_reset();
-               of_node_put(np);
+       np = of_find_compatible_node(NULL, NULL, "fsl,qe");
+       if (!np) {
+               np = of_find_node_by_name(NULL, "qe");
+               if (!np)
+                       return;
        }
 
-       if ((np = of_find_node_by_name(NULL, "par_io")) != NULL) {
-               struct device_node *ucc = NULL;
+       qe_reset();
+       of_node_put(np);
+
+       np = of_find_node_by_name(NULL, "par_io");
+       if (np) {
+               struct device_node *ucc;
 
                par_io_init(np);
                of_node_put(np);
 
-               for ( ;(ucc = of_find_node_by_name(ucc, "ucc")) != NULL;)
+               for_each_node_by_name(ucc, "ucc")
                        par_io_of_config(ucc);
-
-               of_node_put(ucc);
        }
 
        if (bcsr_regs) {
+               if (machine_is(mpc8568_mds)) {
 #define BCSR_UCC1_GETH_EN      (0x1 << 7)
 #define BCSR_UCC2_GETH_EN      (0x1 << 7)
 #define BCSR_UCC1_MODE_MSK     (0x3 << 4)
 #define BCSR_UCC2_MODE_MSK     (0x3 << 0)
 
-               /* Turn off UCC1 & UCC2 */
-               clrbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
-               clrbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
+                       /* Turn off UCC1 & UCC2 */
+                       clrbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
+                       clrbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
+
+                       /* Mode is RGMII, all bits clear */
+                       clrbits8(&bcsr_regs[11], BCSR_UCC1_MODE_MSK |
+                                                BCSR_UCC2_MODE_MSK);
+
+                       /* Turn UCC1 & UCC2 on */
+                       setbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
+                       setbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
+               } else if (machine_is(mpc8569_mds)) {
+#define BCSR7_UCC12_GETHnRST   (0x1 << 2)
+#define BCSR8_UEM_MARVELL_RST  (0x1 << 1)
+#define BCSR_UCC_RGMII         (0x1 << 6)
+#define BCSR_UCC_RTBI          (0x1 << 5)
+                       /*
+                        * U-Boot mangles interrupt polarity for Marvell PHYs,
+                        * so reset built-in and UEM Marvell PHYs, this puts
+                        * the PHYs into their normal state.
+                        */
+                       clrbits8(&bcsr_regs[7], BCSR7_UCC12_GETHnRST);
+                       setbits8(&bcsr_regs[8], BCSR8_UEM_MARVELL_RST);
+
+                       setbits8(&bcsr_regs[7], BCSR7_UCC12_GETHnRST);
+                       clrbits8(&bcsr_regs[8], BCSR8_UEM_MARVELL_RST);
+
+                       for (np = NULL; (np = of_find_compatible_node(np,
+                                                       "network",
+                                                       "ucc_geth")) != NULL;) {
+                               const unsigned int *prop;
+                               int ucc_num;
+
+                               prop = of_get_property(np, "cell-index", NULL);
+                               if (prop == NULL)
+                                       continue;
+
+                               ucc_num = *prop - 1;
+
+                               prop = of_get_property(np, "phy-connection-type", NULL);
+                               if (prop == NULL)
+                                       continue;
+
+                               if (strcmp("rtbi", (const char *)prop) == 0)
+                                       clrsetbits_8(&bcsr_regs[7 + ucc_num],
+                                               BCSR_UCC_RGMII, BCSR_UCC_RTBI);
+                       }
 
-               /* Mode is RGMII, all bits clear */
-               clrbits8(&bcsr_regs[11], BCSR_UCC1_MODE_MSK |
-                                        BCSR_UCC2_MODE_MSK);
+               }
+               iounmap(bcsr_regs);
+       }
+#endif /* CONFIG_QUICC_ENGINE */
 
-               /* Turn UCC1 & UCC2 on */
-               setbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN);
-               setbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN);
+#ifdef CONFIG_SWIOTLB
+       if (lmb_end_of_DRAM() > max) {
+               ppc_swiotlb_enable = 1;
+               set_pci_dma_ops(&swiotlb_dma_ops);
+               ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb;
+       }
+#endif
+}
 
-               iounmap(bcsr_regs);
+
+static int __init board_fixups(void)
+{
+       char phy_id[20];
+       char *compstrs[2] = {"fsl,gianfar-mdio", "fsl,ucc-mdio"};
+       struct device_node *mdio;
+       struct resource res;
+       int i;
+
+       for (i = 0; i < ARRAY_SIZE(compstrs); i++) {
+               mdio = of_find_compatible_node(NULL, NULL, compstrs[i]);
+
+               of_address_to_resource(mdio, 0, &res);
+               snprintf(phy_id, sizeof(phy_id), "%llx:%02x",
+                       (unsigned long long)res.start, 1);
+
+               phy_register_fixup_for_id(phy_id, mpc8568_fixup_125_clock);
+               phy_register_fixup_for_id(phy_id, mpc8568_mds_phy_fixups);
+
+               /* Register a workaround for errata */
+               snprintf(phy_id, sizeof(phy_id), "%llx:%02x",
+                       (unsigned long long)res.start, 7);
+               phy_register_fixup_for_id(phy_id, mpc8568_mds_phy_fixups);
+
+               of_node_put(mdio);
        }
 
-#endif /* CONFIG_QUICC_ENGINE */
+       return 0;
 }
+machine_arch_initcall(mpc8568_mds, board_fixups);
+machine_arch_initcall(mpc8569_mds, board_fixups);
 
 static struct of_device_id mpc85xx_ids[] = {
        { .type = "soc", },
        { .compatible = "soc", },
+       { .compatible = "simple-bus", },
        { .type = "qe", },
+       { .compatible = "fsl,qe", },
+       { .compatible = "gianfar", },
+       { .compatible = "fsl,rapidio-delta", },
+       { .compatible = "fsl,mpc8548-guts", },
+       { .compatible = "gpio-leds", },
        {},
 };
 
 static int __init mpc85xx_publish_devices(void)
 {
-       if (!machine_is(mpc85xx_mds))
-               return 0;
+       if (machine_is(mpc8568_mds))
+               simple_gpiochip_init("fsl,mpc8568mds-bcsr-gpio");
+       if (machine_is(mpc8569_mds))
+               simple_gpiochip_init("fsl,mpc8569mds-bcsr-gpio");
 
        /* Publish the QE devices */
-       of_platform_bus_probe(NULL,mpc85xx_ids,NULL);
+       of_platform_bus_probe(NULL, mpc85xx_ids, NULL);
 
        return 0;
 }
-device_initcall(mpc85xx_publish_devices);
+machine_device_initcall(mpc8568_mds, mpc85xx_publish_devices);
+machine_device_initcall(mpc8569_mds, mpc85xx_publish_devices);
+
+machine_arch_initcall(mpc8568_mds, swiotlb_setup_bus_notifier);
+machine_arch_initcall(mpc8569_mds, swiotlb_setup_bus_notifier);
 
 static void __init mpc85xx_mds_pic_init(void)
 {
@@ -172,7 +365,8 @@ static void __init mpc85xx_mds_pic_init(void)
        }
 
        mpic = mpic_alloc(np, r.start,
-                       MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
+                       MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN |
+                       MPIC_BROKEN_FRR_NIRQS,
                        0, 256, " OpenPIC  ");
        BUG_ON(mpic == NULL);
        of_node_put(np);
@@ -180,10 +374,12 @@ static void __init mpc85xx_mds_pic_init(void)
        mpic_init(mpic);
 
 #ifdef CONFIG_QUICC_ENGINE
-       np = of_find_node_by_type(NULL, "qeic");
-       if (!np)
-               return;
-
+       np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
+       if (!np) {
+               np = of_find_node_by_type(NULL, "qeic");
+               if (!np)
+                       return;
+       }
        qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL);
        of_node_put(np);
 #endif                         /* CONFIG_QUICC_ENGINE */
@@ -196,8 +392,8 @@ static int __init mpc85xx_mds_probe(void)
         return of_flat_dt_is_compatible(root, "MPC85xxMDS");
 }
 
-define_machine(mpc85xx_mds) {
-       .name           = "MPC85xx MDS",
+define_machine(mpc8568_mds) {
+       .name           = "MPC8568 MDS",
        .probe          = mpc85xx_mds_probe,
        .setup_arch     = mpc85xx_mds_setup_arch,
        .init_IRQ       = mpc85xx_mds_pic_init,
@@ -209,3 +405,24 @@ define_machine(mpc85xx_mds) {
        .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
 #endif
 };
+
+static int __init mpc8569_mds_probe(void)
+{
+       unsigned long root = of_get_flat_dt_root();
+
+       return of_flat_dt_is_compatible(root, "fsl,MPC8569EMDS");
+}
+
+define_machine(mpc8569_mds) {
+       .name           = "MPC8569 MDS",
+       .probe          = mpc8569_mds_probe,
+       .setup_arch     = mpc85xx_mds_setup_arch,
+       .init_IRQ       = mpc85xx_mds_pic_init,
+       .get_irq        = mpic_get_irq,
+       .restart        = fsl_rstcr_restart,
+       .calibrate_decr = generic_calibrate_decr,
+       .progress       = udbg_progress,
+#ifdef CONFIG_PCI
+       .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
+#endif
+};