ppc4xx: Big cleanup of PPC4xx defines
[platform/kernel/u-boot.git] / board / esd / pmc440 / pmc440.c
index 013815e..119cbf2 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2007-2008
+ * (Cg) Copyright 2007-2008
  * Matthias Fuchs, esd gmbh, matthias.fuchs@esd-electronics.com.
  * Based on board/amcc/sequoia/sequoia.c
  *
 DECLARE_GLOBAL_DATA_PTR;
 
 extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
+extern void __ft_board_setup(void *blob, bd_t *bd);
 
 ulong flash_get_size(ulong base, int banknum);
 int pci_is_66mhz(void);
+int is_monarch(void);
 int bootstrap_eeprom_read(unsigned dev_addr, unsigned offset,
                          uchar *buffer, unsigned cnt);
 
@@ -62,7 +64,7 @@ struct serial_device *default_serial_console(void)
         * Use default console on P4 when strapping jumper
         * is installed (bootstrap option != 'H').
         */
-       mfsdr(SDR_PINSTP, val);
+       mfsdr(SDR0_PINSTP, val);
        if (((val & 0xf0000000) >> 29) != 7)
                return &serial1_device;
 
@@ -98,49 +100,49 @@ int board_early_init_f(void)
        u32 reg;
 
        /* general EBC configuration (disable EBC timeouts) */
-       mtdcr(ebccfga, xbcfg);
-       mtdcr(ebccfgd, 0xf8400000);
+       mtdcr(EBC0_CFGADDR, EBC0_CFG);
+       mtdcr(EBC0_CFGDATA, 0xf8400000);
 
        /*
         * Setup the GPIO pins
         * TODO: setup GPIOs via CONFIG_SYS_4xx_GPIO_TABLE in board's config file
         */
-       out32(GPIO0_OR,    0x40000002);
-       out32(GPIO0_TCR,   0x4c90011f);
-       out32(GPIO0_OSRL,  0x28011400);
-       out32(GPIO0_OSRH,  0x55005000);
-       out32(GPIO0_TSRL,  0x08011400);
-       out32(GPIO0_TSRH,  0x55005000);
-       out32(GPIO0_ISR1L, 0x54000000);
-       out32(GPIO0_ISR1H, 0x00000000);
-       out32(GPIO0_ISR2L, 0x44000000);
-       out32(GPIO0_ISR2H, 0x00000100);
-       out32(GPIO0_ISR3L, 0x00000000);
-       out32(GPIO0_ISR3H, 0x00000000);
-
-       out32(GPIO1_OR,    0x80002408);
-       out32(GPIO1_TCR,   0xd6003c08);
-       out32(GPIO1_OSRL,  0x0a5a0000);
-       out32(GPIO1_OSRH,  0x00000000);
-       out32(GPIO1_TSRL,  0x00000000);
-       out32(GPIO1_TSRH,  0x00000000);
-       out32(GPIO1_ISR1L, 0x00005555);
-       out32(GPIO1_ISR1H, 0x40000000);
-       out32(GPIO1_ISR2L, 0x04010000);
-       out32(GPIO1_ISR2H, 0x00000000);
-       out32(GPIO1_ISR3L, 0x01400000);
-       out32(GPIO1_ISR3H, 0x00000000);
+       out_be32((void *)GPIO0_OR,    0x40000102);
+       out_be32((void *)GPIO0_TCR,   0x4c90011f);
+       out_be32((void *)GPIO0_OSRL,  0x28051400);
+       out_be32((void *)GPIO0_OSRH,  0x55005000);
+       out_be32((void *)GPIO0_TSRL,  0x08051400);
+       out_be32((void *)GPIO0_TSRH,  0x55005000);
+       out_be32((void *)GPIO0_ISR1L, 0x54000000);
+       out_be32((void *)GPIO0_ISR1H, 0x00000000);
+       out_be32((void *)GPIO0_ISR2L, 0x44000000);
+       out_be32((void *)GPIO0_ISR2H, 0x00000100);
+       out_be32((void *)GPIO0_ISR3L, 0x00000000);
+       out_be32((void *)GPIO0_ISR3H, 0x00000000);
+
+       out_be32((void *)GPIO1_OR,    0x80002408);
+       out_be32((void *)GPIO1_TCR,   0xd6003c08);
+       out_be32((void *)GPIO1_OSRL,  0x0a5a0000);
+       out_be32((void *)GPIO1_OSRH,  0x00000000);
+       out_be32((void *)GPIO1_TSRL,  0x00000000);
+       out_be32((void *)GPIO1_TSRH,  0x00000000);
+       out_be32((void *)GPIO1_ISR1L, 0x00005555);
+       out_be32((void *)GPIO1_ISR1H, 0x40000000);
+       out_be32((void *)GPIO1_ISR2L, 0x04010000);
+       out_be32((void *)GPIO1_ISR2H, 0x00000000);
+       out_be32((void *)GPIO1_ISR3L, 0x01400000);
+       out_be32((void *)GPIO1_ISR3H, 0x00000000);
 
        /* patch PLB:PCI divider for 66MHz PCI */
-       mfcpr(clk_spcid, reg);
+       mfcpr(CPR0_SPCID, reg);
        if (pci_is_66mhz() && (reg != 0x02000000)) {
-               mtcpr(clk_spcid, 0x02000000); /* 133MHZ : 2 for 66MHz PCI */
+               mtcpr(CPR0_SPCID, 0x02000000); /* 133MHZ : 2 for 66MHz PCI */
 
-               mfcpr(clk_icfg, reg);
+               mfcpr(CPR0_ICFG, reg);
                reg |= CPR0_ICFG_RLI_MASK;
-               mtcpr(clk_icfg, reg);
+               mtcpr(CPR0_ICFG, reg);
 
-               mtspr(dbcr0, 0x20000000); /* do chip reset */
+               mtspr(SPRN_DBCR0, 0x20000000); /* do chip reset */
        }
 
        /*
@@ -196,6 +198,23 @@ int board_early_init_f(void)
        return 0;
 }
 
+#if defined(CONFIG_MISC_INIT_F)
+int misc_init_f(void)
+{
+       struct pci_controller hose;
+       hose.first_busno = 0;
+       hose.last_busno = 0;
+       hose.region_count = 0;
+
+       if (getenv("pciearly") && (!is_monarch())) {
+               printf("PCI:   early target init\n");
+               pci_setup_indirect(&hose, PCIX0_CFGADR, PCIX0_CFGDATA);
+               pci_target_init(&hose);
+       }
+       return 0;
+}
+#endif
+
 /*
  * misc_init_r.
  */
@@ -207,6 +226,7 @@ int misc_init_r(void)
        unsigned long usb2d0cr = 0;
        unsigned long usb2phy0cr, usb2h0cr = 0;
        unsigned long sdr0_pfc1;
+       unsigned long sdr0_srst0, sdr0_srst1;
        char *act = getenv("usbact");
 
        /*
@@ -220,19 +240,19 @@ int misc_init_r(void)
        gd->bd->bi_flashoffset = 0;
 
 #if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
-       mtdcr(ebccfga, pb2cr);
+       mtdcr(EBC0_CFGADDR, PB2CR);
 #else
-       mtdcr(ebccfga, pb0cr);
+       mtdcr(EBC0_CFGADDR, PB0CR);
 #endif
-       pbcr = mfdcr(ebccfgd);
+       pbcr = mfdcr(EBC0_CFGDATA);
        size_val = ffs(gd->bd->bi_flashsize) - 21;
        pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
 #if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
-       mtdcr(ebccfga, pb2cr);
+       mtdcr(EBC0_CFGADDR, PB2CR);
 #else
-       mtdcr(ebccfga, pb0cr);
+       mtdcr(EBC0_CFGADDR, PB0CR);
 #endif
-       mtdcr(ebccfgd, pbcr);
+       mtdcr(EBC0_CFGDATA, pbcr);
 
        /*
         * Re-check to get correct base address
@@ -256,7 +276,7 @@ int misc_init_r(void)
        /*
         * USB suff...
         */
-       if ((act == NULL || strcmp(act, "hostdev") == 0) &&
+       if ((act == NULL || strcmp(act, "host") == 0) &&
            !(in_be32((void*)GPIO0_IR) & GPIO0_USB_PRSNT)){
                /* SDR Setting */
                mfsdr(SDR0_PFC1, sdr0_pfc1);
@@ -290,12 +310,46 @@ int misc_init_r(void)
                mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
                mtsdr(SDR0_USB2H0CR, usb2h0cr);
 
-               /* clear resets */
+               /*
+                * Take USB out of reset:
+                * -Initial status = all cores are in reset
+                * -deassert reset to OPB1, P4OPB0, OPB2, PLB42OPB1 OPB2PLB40 cores
+                * -wait 1 ms
+                * -deassert reset to PHY
+                * -wait 1 ms
+                * -deassert  reset to HOST
+                * -wait 4 ms
+                * -deassert all other resets
+                */
+               mfsdr(SDR0_SRST1, sdr0_srst1);
+               sdr0_srst1 &= ~(SDR0_SRST1_OPBA1 |      \
+                               SDR0_SRST1_P4OPB0 |     \
+                               SDR0_SRST1_OPBA2 |      \
+                               SDR0_SRST1_PLB42OPB1 |  \
+                               SDR0_SRST1_OPB2PLB40);
+               mtsdr(SDR0_SRST1, sdr0_srst1);
+               udelay(1000);
+
+               mfsdr(SDR0_SRST1, sdr0_srst1);
+               sdr0_srst1 &= ~SDR0_SRST1_USB20PHY;
+               mtsdr(SDR0_SRST1, sdr0_srst1);
                udelay(1000);
+
+               mfsdr(SDR0_SRST0, sdr0_srst0);
+               sdr0_srst0 &= ~SDR0_SRST0_USB2H;
+               mtsdr(SDR0_SRST0, sdr0_srst0);
+               udelay(4000);
+
+               /* finally all the other resets */
                mtsdr(SDR0_SRST1, 0x00000000);
-               udelay(1000);
                mtsdr(SDR0_SRST0, 0x00000000);
 
+               if (!(in_be32((void*)GPIO0_IR) & GPIO0_USB_PRSNT)) {
+                       /* enable power on USB socket */
+                       out_be32((void*)GPIO1_OR,
+                                in_be32((void*)GPIO1_OR) & ~GPIO1_USB_PWR_N);
+               }
+
                printf("USB:   Host\n");
 
        } else if ((strcmp(act, "dev") == 0) ||
@@ -370,8 +424,8 @@ int misc_init_r(void)
         * This fix will make the MAL burst disabling patch for the Linux
         * EMAC driver obsolete.
         */
-       reg = mfdcr(plb4_acr) & ~PLB4_ACR_WRP;
-       mtdcr(plb4_acr, reg);
+       reg = mfdcr(PLB4_ACR) & ~PLB4_ACR_WRP;
+       mtdcr(PLB4_ACR, reg);
 
 #ifdef CONFIG_FPGA
        pmc440_init_fpga();
@@ -453,35 +507,35 @@ int pci_pre_init(struct pci_controller *hose)
         * Set priority for all PLB3 devices to 0.
         * Set PLB3 arbiter to fair mode.
         */
-       mfsdr(sdr_amp1, addr);
-       mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
-       addr = mfdcr(plb3_acr);
-       mtdcr(plb3_acr, addr | 0x80000000);
+       mfsdr(SD0_AMP1, addr);
+       mtsdr(SD0_AMP1, (addr & 0x000000FF) | 0x0000FF00);
+       addr = mfdcr(PLB3_ACR);
+       mtdcr(PLB3_ACR, addr | 0x80000000);
 
        /*
         * Set priority for all PLB4 devices to 0.
         */
-       mfsdr(sdr_amp0, addr);
-       mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
-       addr = mfdcr(plb4_acr) | 0xa0000000;    /* Was 0x8---- */
-       mtdcr(plb4_acr, addr);
+       mfsdr(SD0_AMP0, addr);
+       mtsdr(SD0_AMP0, (addr & 0x000000FF) | 0x0000FF00);
+       addr = mfdcr(PLB4_ACR) | 0xa0000000;    /* Was 0x8---- */
+       mtdcr(PLB4_ACR, addr);
 
        /*
         * Set Nebula PLB4 arbiter to fair mode.
         */
        /* Segment0 */
-       addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
-       addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
-       addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep;
-       addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep;
-       mtdcr(plb0_acr, addr);
+       addr = (mfdcr(PLB0_ACR) & ~PLB0_ACR_PPM_MASK) | PLB0_ACR_PPM_FAIR;
+       addr = (addr & ~PLB0_ACR_HBU_MASK) | PLB0_ACR_HBU_ENABLED;
+       addr = (addr & ~PLB0_ACR_RDP_MASK) | PLB0_ACR_RDP_4DEEP;
+       addr = (addr & ~PLB0_ACR_WRP_MASK) | PLB0_ACR_WRP_2DEEP;
+       mtdcr(PLB0_ACR, addr);
 
        /* Segment1 */
-       addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair;
-       addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled;
-       addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep;
-       addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep;
-       mtdcr(plb1_acr, addr);
+       addr = (mfdcr(PLB1_ACR) & ~PLB1_ACR_PPM_MASK) | PLB1_ACR_PPM_FAIR;
+       addr = (addr & ~PLB1_ACR_HBU_MASK) | PLB1_ACR_HBU_ENABLED;
+       addr = (addr & ~PLB1_ACR_RDP_MASK) | PLB1_ACR_RDP_4DEEP;
+       addr = (addr & ~PLB1_ACR_WRP_MASK) | PLB1_ACR_WRP_2DEEP;
+       mtdcr(PLB1_ACR, addr);
 
 #ifdef CONFIG_PCI_PNP
        hose->fixup_irq = pmc440_pci_fixup_irq;
@@ -547,14 +601,14 @@ void pci_target_init(struct pci_controller *hose)
                out32r(PCIX0_PTM2MS, simple_strtoul(ptmms_str, NULL, 16));
                out32r(PCIX0_PTM2LA, simple_strtoul(ptmla_str, NULL, 16));
        } else {
-               /* BAR2: default: 16 MB FPGA + registers */
-               out32r(PCIX0_PTM2MS, 0xff000001); /* Memory Size/Attribute */
+               /* BAR2: default: 4MB FPGA */
+               out32r(PCIX0_PTM2MS, 0xffc00001); /* Memory Size/Attribute */
                out32r(PCIX0_PTM2LA, 0xef000000); /* Local Addr. Reg */
        }
 
        if (is_monarch()) {
                /* BAR2: map FPGA registers behind system memory at 1GB */
-               pci_write_config_dword(0, PCI_BASE_ADDRESS_2, 0x40000008);
+               pci_hose_write_config_dword(hose, 0, PCI_BASE_ADDRESS_2, 0x40000008);
        }
 
        /*
@@ -562,8 +616,8 @@ void pci_target_init(struct pci_controller *hose)
         */
 
        /* Program the board's vendor id */
-       pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
-                             CONFIG_SYS_PCI_SUBSYS_VENDORID);
+       pci_hose_write_config_word(hose, 0, PCI_SUBSYSTEM_VENDOR_ID,
+                                  CONFIG_SYS_PCI_SUBSYS_VENDORID);
 
        /* disabled for PMC405 backward compatibility */
        /* Configure command register as bus master */
@@ -571,19 +625,19 @@ void pci_target_init(struct pci_controller *hose)
 
 
        /* 240nS PCI clock */
-       pci_write_config_word(0, PCI_LATENCY_TIMER, 1);
+       pci_hose_write_config_word(hose, 0, PCI_LATENCY_TIMER, 1);
 
        /* No error reporting */
-       pci_write_config_word(0, PCI_ERREN, 0);
+       pci_hose_write_config_word(hose, 0, PCI_ERREN, 0);
 
        pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
 
        if (!is_monarch()) {
                /* Program the board's subsystem id/classcode */
-               pci_write_config_word(0, PCI_SUBSYSTEM_ID,
-                                     CONFIG_SYS_PCI_SUBSYS_ID_NONMONARCH);
-               pci_write_config_word(0, PCI_CLASS_SUB_CODE,
-                                     CONFIG_SYS_PCI_CLASSCODE_NONMONARCH);
+               pci_hose_write_config_word(hose, 0, PCI_SUBSYSTEM_ID,
+                                          CONFIG_SYS_PCI_SUBSYS_ID_NONMONARCH);
+               pci_hose_write_config_word(hose, 0, PCI_CLASS_SUB_CODE,
+                                          CONFIG_SYS_PCI_CLASSCODE_NONMONARCH);
 
                /* PCI configuration done: release ERREADY */
                out_be32((void*)GPIO1_OR,
@@ -592,11 +646,14 @@ void pci_target_init(struct pci_controller *hose)
                         in_be32((void*)GPIO1_TCR) | GPIO1_PPC_EREADY);
        } else {
                /* Program the board's subsystem id/classcode */
-               pci_write_config_word(0, PCI_SUBSYSTEM_ID,
-                                     CONFIG_SYS_PCI_SUBSYS_ID_MONARCH);
-               pci_write_config_word(0, PCI_CLASS_SUB_CODE,
-                                     CONFIG_SYS_PCI_CLASSCODE_MONARCH);
+               pci_hose_write_config_word(hose, 0, PCI_SUBSYSTEM_ID,
+                                          CONFIG_SYS_PCI_SUBSYS_ID_MONARCH);
+               pci_hose_write_config_word(hose, 0, PCI_CLASS_SUB_CODE,
+                                          CONFIG_SYS_PCI_CLASSCODE_MONARCH);
        }
+
+       /* enable host configuration */
+       pci_hose_write_config_dword(hose, 0, PCI_BRDGOPT2, 0x00000101);
 }
 #endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */
 
@@ -626,6 +683,12 @@ static void wait_for_pci_ready(void)
 {
        int i;
        char *s = getenv("pcidelay");
+       /*
+        * We have our own handling of the pcidelay variable.
+        * Using CONFIG_PCI_BOOTDELAY enables pausing for host
+        * and adapter devices. For adapter devices we do not
+        * want this.
+        */
        if (s) {
                int ms = simple_strtoul(s, NULL, 10);
                printf("PCI:   Waiting for %d ms\n", ms);
@@ -692,17 +755,31 @@ int post_hotkeys_pressed(void)
 #ifdef CONFIG_RESET_PHY_R
 void reset_phy(void)
 {
+       char *s;
+       unsigned short val_method, val_behavior;
+
+       /* special LED setup for NGCC/CANDES */
+       if ((s = getenv("bd_type")) &&
+           ((!strcmp(s, "ngcc")) || (!strcmp(s, "candes")))) {
+               val_method   = 0x0e0a;
+               val_behavior = 0x0cf2;
+       } else {
+               /* PMC440 standard type */
+               val_method   = 0x0e10;
+               val_behavior = 0x0cf0;
+       }
+
        if (miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x1f, 0x0001) == 0) {
                miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x11, 0x0010);
-               miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x11, 0x0df0);
-               miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x10, 0x0e10);
+               miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x11, val_behavior);
+               miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x10, val_method);
                miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x1f, 0x0000);
        }
 
        if (miiphy_write("ppc_4xx_eth1", CONFIG_PHY1_ADDR, 0x1f, 0x0001) == 0) {
                miiphy_write("ppc_4xx_eth1", CONFIG_PHY1_ADDR, 0x11, 0x0010);
-               miiphy_write("ppc_4xx_eth1", CONFIG_PHY1_ADDR, 0x11, 0x0df0);
-               miiphy_write("ppc_4xx_eth1", CONFIG_PHY1_ADDR, 0x10, 0x0e10);
+               miiphy_write("ppc_4xx_eth1", CONFIG_PHY1_ADDR, 0x11, val_behavior);
+               miiphy_write("ppc_4xx_eth1", CONFIG_PHY1_ADDR, 0x10, val_method);
                miiphy_write("ppc_4xx_eth1", CONFIG_PHY1_ADDR, 0x1f, 0x0000);
        }
 }
@@ -727,17 +804,20 @@ int eeprom_write_enable(unsigned dev_addr, int state)
                switch (state) {
                case 1:
                        /* Enable write access, clear bit GPIO_SINT2. */
-                       out32(GPIO0_OR, in32(GPIO0_OR) & ~GPIO0_EP_EEP);
+                       out_be32((void *)GPIO0_OR,
+                             in_be32((void *)GPIO0_OR) & ~GPIO0_EP_EEP);
                        state = 0;
                        break;
                case 0:
                        /* Disable write access, set bit GPIO_SINT2. */
-                       out32(GPIO0_OR, in32(GPIO0_OR) | GPIO0_EP_EEP);
+                       out_be32((void *)GPIO0_OR,
+                                in_be32((void *)GPIO0_OR) | GPIO0_EP_EEP);
                        state = 0;
                        break;
                default:
                        /* Read current status back. */
-                       state = (0 == (in32(GPIO0_OR) & GPIO0_EP_EEP));
+                       state = (0 == (in_be32((void *)GPIO0_OR)
+                                      & GPIO0_EP_EEP));
                        break;
                }
        }
@@ -851,7 +931,7 @@ int usb_board_init(void)
        char *act = getenv("usbact");
        int i;
 
-       if ((act == NULL || strcmp(act, "hostdev") == 0) &&
+       if ((act == NULL || strcmp(act, "host") == 0) &&
            !(in_be32((void*)GPIO0_IR) & GPIO0_USB_PRSNT))
                /* enable power on USB socket */
                out_be32((void*)GPIO1_OR,
@@ -876,3 +956,24 @@ int usb_board_init_fail(void)
        return 0;
 }
 #endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_BOARD_INIT) */
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+       int rc;
+
+       __ft_board_setup(blob, bd);
+
+       /*
+        * Disable PCI in non-monarch mode.
+        */
+       if (!is_monarch()) {
+               rc = fdt_find_and_setprop(blob, "/plb/pci@1ec000000", "status",
+                                         "disabled", sizeof("disabled"), 1);
+               if (rc) {
+                       printf("Unable to update property status in PCI node, err=%s\n",
+                              fdt_strerror(rc));
+               }
+       }
+}
+#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */