]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - board/sbc8548/sbc8548.c
Merge branch 'u-boot-imx/master' into 'u-boot-arm/master'
[karo-tx-uboot.git] / board / sbc8548 / sbc8548.c
index ce998e1c2f9e7d3c948a6626817fbabffaca766d..d584276253a5e33414a085d2e5414844cfd11a94 100644 (file)
@@ -7,23 +7,7 @@
  *
  * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.         See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -31,7 +15,8 @@
 #include <asm/processor.h>
 #include <asm/immap_85xx.h>
 #include <asm/fsl_pci.h>
-#include <asm/fsl_ddr_sdram.h>
+#include <fsl_ddr_sdram.h>
+#include <asm/fsl_serdes.h>
 #include <spd_sdram.h>
 #include <netdev.h>
 #include <tsec.h>
@@ -42,8 +27,6 @@
 DECLARE_GLOBAL_DATA_PTR;
 
 void local_bus_init(void);
-void sdram_init(void);
-long int fixed_sdram (void);
 
 int board_early_init_f (void)
 {
@@ -68,47 +51,6 @@ int checkboard (void)
        return 0;
 }
 
-phys_size_t
-initdram(int board_type)
-{
-       long dram_size = 0;
-
-       puts("Initializing\n");
-
-#if defined(CONFIG_DDR_DLL)
-       {
-               /*
-                * Work around to stabilize DDR DLL MSYNC_IN.
-                * Errata DDR9 seems to have been fixed.
-                * This is now the workaround for Errata DDR11:
-                *    Override DLL = 1, Course Adj = 1, Tap Select = 0
-                */
-
-               volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
-
-               out_be32(&gur->ddrdllcr, 0x81000000);
-               asm("sync;isync;msync");
-               udelay(200);
-       }
-#endif
-
-#if defined(CONFIG_SPD_EEPROM)
-       dram_size = fsl_ddr_sdram();
-       dram_size = setup_ddr_tlbs(dram_size / 0x100000);
-       dram_size *= 0x100000;
-#else
-       dram_size = fixed_sdram ();
-#endif
-
-       /*
-        * SDRAM Initialization
-        */
-       sdram_init();
-
-       puts("    DDR: ");
-       return dram_size;
-}
-
 /*
  * Initialize Local Bus
  */
@@ -116,15 +58,17 @@ void
 local_bus_init(void)
 {
        volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
-       volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
+       volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
 
-       uint clkdiv;
-       uint lbc_hz;
+       uint clkdiv, lbc_mhz, lcrr = CONFIG_SYS_LBC_LCRR;
        sys_info_t sysinfo;
 
        get_sys_info(&sysinfo);
-       clkdiv = (in_be32(&lbc->lcrr) & LCRR_CLKDIV) * 2;
-       lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
+
+       lbc_mhz = sysinfo.freq_localbus / 1000000;
+       clkdiv = sysinfo.freq_systembus / sysinfo.freq_localbus;
+
+       debug("LCRR=0x%x, CD=%d, MHz=%d\n", lcrr, clkdiv, lbc_mhz);
 
        out_be32(&gur->lbiuiplldcr1, 0x00078080);
        if (clkdiv == 16) {
@@ -135,10 +79,38 @@ local_bus_init(void)
                out_be32(&gur->lbiuiplldcr0, 0x5c0f1bf0);
        }
 
-       setbits_be32(&lbc->lcrr, 0x00030000);
+       /*
+        * Local Bus Clock > 83.3 MHz. According to timing
+        * specifications set LCRR[EADC] to 2 delay cycles.
+        */
+       if (lbc_mhz > 83) {
+               lcrr &= ~LCRR_EADC;
+               lcrr |= LCRR_EADC_2;
+       }
+
+       /*
+        * According to MPC8548ERMAD Rev. 1.3, 13.3.1.16, 13-30
+        * disable PLL bypass for Local Bus Clock > 83 MHz.
+        */
+       if (lbc_mhz >= 66)
+               lcrr &= (~LCRR_DBYP);   /* DLL Enabled */
+
+       else
+               lcrr |= LCRR_DBYP;      /* DLL Bypass */
 
+       out_be32(&lbc->lcrr, lcrr);
        asm("sync;isync;msync");
 
+        /*
+        * According to MPC8548ERMAD Rev.1.3 read back LCRR
+        * and terminate with isync
+        */
+       lcrr = in_be32(&lbc->lcrr);
+       asm ("isync;");
+
+       /* let DLL stabilize */
+       udelay(500);
+
        out_be32(&lbc->ltesr, 0xffffffff);      /* Clear LBC error IRQs */
        out_be32(&lbc->lteir, 0xffffffff);      /* Enable LBC error IRQs */
 }
@@ -146,79 +118,79 @@ local_bus_init(void)
 /*
  * Initialize SDRAM memory on the Local Bus.
  */
-void
-sdram_init(void)
+void lbc_sdram_init(void)
 {
-#if defined(CONFIG_SYS_OR3_PRELIM) && defined(CONFIG_SYS_BR3_PRELIM)
+#if defined(CONFIG_SYS_LBC_SDRAM_SIZE)
 
        uint idx;
-       volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
+       const unsigned long size = CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024;
+       volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
        uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE;
-       uint lsdmr_common;
+       uint *sdram_addr2 = (uint *)(CONFIG_SYS_LBC_SDRAM_BASE + size/2);
 
        puts("    SDRAM: ");
 
-       print_size (CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
+       print_size(size, "\n");
 
        /*
         * Setup SDRAM Base and Option Registers
         */
-       out_be32(&lbc->or3, CONFIG_SYS_OR3_PRELIM);
-       asm("msync");
-
-       out_be32(&lbc->br3, CONFIG_SYS_BR3_PRELIM);
-       asm("msync");
+       set_lbc_or(3, CONFIG_SYS_OR3_PRELIM);
+       set_lbc_br(3, CONFIG_SYS_BR3_PRELIM);
+       set_lbc_or(4, CONFIG_SYS_OR4_PRELIM);
+       set_lbc_br(4, CONFIG_SYS_BR4_PRELIM);
 
        out_be32(&lbc->lbcr, CONFIG_SYS_LBC_LBCR);
        asm("msync");
 
-
        out_be32(&lbc->lsrt,  CONFIG_SYS_LBC_LSRT);
        out_be32(&lbc->mrtpr, CONFIG_SYS_LBC_MRTPR);
        asm("msync");
 
-       /*
-        * MPC8548 uses "new" 15-16 style addressing.
-        */
-       lsdmr_common = CONFIG_SYS_LBC_LSDMR_COMMON;
-       lsdmr_common |= LSDMR_BSMA1516;
-
        /*
         * Issue PRECHARGE ALL command.
         */
-       out_be32(&lbc->lsdmr, lsdmr_common | LSDMR_OP_PCHALL);
+       out_be32(&lbc->lsdmr, CONFIG_SYS_LBC_LSDMR_PCHALL);
        asm("sync;msync");
        *sdram_addr = 0xff;
        ppcDcbf((unsigned long) sdram_addr);
+       *sdram_addr2 = 0xff;
+       ppcDcbf((unsigned long) sdram_addr2);
        udelay(100);
 
        /*
         * Issue 8 AUTO REFRESH commands.
         */
        for (idx = 0; idx < 8; idx++) {
-               out_be32(&lbc->lsdmr, lsdmr_common | LSDMR_OP_ARFRSH);
+               out_be32(&lbc->lsdmr, CONFIG_SYS_LBC_LSDMR_ARFRSH);
                asm("sync;msync");
                *sdram_addr = 0xff;
                ppcDcbf((unsigned long) sdram_addr);
+               *sdram_addr2 = 0xff;
+               ppcDcbf((unsigned long) sdram_addr2);
                udelay(100);
        }
 
        /*
         * Issue 8 MODE-set command.
         */
-       out_be32(&lbc->lsdmr, lsdmr_common | LSDMR_OP_MRW);
+       out_be32(&lbc->lsdmr, CONFIG_SYS_LBC_LSDMR_MRW);
        asm("sync;msync");
        *sdram_addr = 0xff;
        ppcDcbf((unsigned long) sdram_addr);
+       *sdram_addr2 = 0xff;
+       ppcDcbf((unsigned long) sdram_addr2);
        udelay(100);
 
        /*
-        * Issue NORMAL OP command.
+        * Issue RFEN command.
         */
-       out_be32(&lbc->lsdmr, lsdmr_common | LSDMR_OP_NORMAL);
+       out_be32(&lbc->lsdmr, CONFIG_SYS_LBC_LSDMR_RFEN);
        asm("sync;msync");
        *sdram_addr = 0xff;
        ppcDcbf((unsigned long) sdram_addr);
+       *sdram_addr2 = 0xff;
+       ppcDcbf((unsigned long) sdram_addr2);
        udelay(200);    /* Overkill. Must wait > 200 bus cycles */
 
 #endif /* enable SDRAM init */
@@ -263,177 +235,58 @@ testdram(void)
 }
 #endif
 
-#if !defined(CONFIG_SPD_EEPROM)
-#define CONFIG_SYS_DDR_CONTROL 0xc300c000
-/*************************************************************************
- *  fixed_sdram init -- doesn't use serial presence detect.
- *  assumes 256MB DDR2 SDRAM SODIMM, without ECC, running at DDR400 speed.
- ************************************************************************/
-long int fixed_sdram (void)
-{
-       volatile ccsr_ddr_t *ddr = (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
-
-       out_be32(&ddr->cs0_bnds, 0x0000007f);
-       out_be32(&ddr->cs1_bnds, 0x008000ff);
-       out_be32(&ddr->cs2_bnds, 0x00000000);
-       out_be32(&ddr->cs3_bnds, 0x00000000);
-       out_be32(&ddr->cs0_config, 0x80010101);
-       out_be32(&ddr->cs1_config, 0x80010101);
-       out_be32(&ddr->cs2_config, 0x00000000);
-       out_be32(&ddr->cs3_config, 0x00000000);
-       out_be32(&ddr->timing_cfg_3, 0x00000000);
-       out_be32(&ddr->timing_cfg_0, 0x00220802);
-       out_be32(&ddr->timing_cfg_1, 0x38377322);
-       out_be32(&ddr->timing_cfg_2, 0x0fa044C7);
-       out_be32(&ddr->sdram_cfg, 0x4300C000);
-       out_be32(&ddr->sdram_cfg_2, 0x24401000);
-       out_be32(&ddr->sdram_mode, 0x23C00542);
-       out_be32(&ddr->sdram_mode_2, 0x00000000);
-       out_be32(&ddr->sdram_interval, 0x05080100);
-       out_be32(&ddr->sdram_md_cntl, 0x00000000);
-       out_be32(&ddr->sdram_data_init, 0x00000000);
-       out_be32(&ddr->sdram_clk_cntl, 0x03800000);
-       asm("sync;isync;msync");
-       udelay(500);
-
-       #if defined (CONFIG_DDR_ECC)
-         /* Enable ECC checking */
-         out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_CONTROL | 0x20000000);
-       #else
-         out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_CONTROL);
-       #endif
-
-       return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
-}
-#endif
-
 #ifdef CONFIG_PCI1
 static struct pci_controller pci1_hose;
 #endif /* CONFIG_PCI1 */
 
-#ifdef CONFIG_PCIE1
-static struct pci_controller pcie1_hose;
-#endif /* CONFIG_PCIE1 */
-
-int first_free_busno=0;
-
+#ifdef CONFIG_PCI
 void
 pci_init_board(void)
 {
        volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+       int first_free_busno = 0;
 
 #ifdef CONFIG_PCI1
-{
-       volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
-       struct pci_controller *hose = &pci1_hose;
-       struct pci_region *r = hose->regions;
-
-       uint pci_32 = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32;      /* PORDEVSR[15] */
-       uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;       /* PORDEVSR[14] */
-       uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;   /* PORPLLSR[16] */
-
-       uint pci_speed = CONFIG_SYS_CLK_FREQ;   /* get_clock_freq() */
-
-       if (!(gur->devdisr & MPC85xx_DEVDISR_PCI1)) {
-               printf ("    PCI host: %d bit, %s MHz, %s, %s\n",
+       struct fsl_pci_info pci_info;
+       u32 devdisr = in_be32(&gur->devdisr);
+       u32 pordevsr = in_be32(&gur->pordevsr);
+       u32 porpllsr = in_be32(&gur->porpllsr);
+
+       if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
+               uint pci_32 = pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32;
+               uint pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;
+               uint pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;
+               uint pci_speed = CONFIG_SYS_CLK_FREQ;   /* get_clock_freq() */
+
+               printf("PCI: Host, %d bit, %s MHz, %s, %s\n",
                        (pci_32) ? 32 : 64,
                        (pci_speed == 33000000) ? "33" :
                        (pci_speed == 66000000) ? "66" : "unknown",
                        pci_clk_sel ? "sync" : "async",
-                       pci_arb ? "arbiter" : "external-arbiter"
-                       );
-
-               /* outbound memory */
-               pci_set_region(r++,
-                              CONFIG_SYS_PCI1_MEM_BASE,
-                              CONFIG_SYS_PCI1_MEM_PHYS,
-                              CONFIG_SYS_PCI1_MEM_SIZE,
-                              PCI_REGION_MEM);
-
-               /* outbound io */
-               pci_set_region(r++,
-                              CONFIG_SYS_PCI1_IO_BASE,
-                              CONFIG_SYS_PCI1_IO_PHYS,
-                              CONFIG_SYS_PCI1_IO_SIZE,
-                              PCI_REGION_IO);
-               hose->region_count = r - hose->regions;
-
-               hose->first_busno=first_free_busno;
-
-               fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
-               first_free_busno=hose->last_busno+1;
-               printf ("PCI on bus %02x - %02x\n",hose->first_busno,hose->last_busno);
-#ifdef CONFIG_PCIX_CHECK
-               if (!(gur->pordevsr & MPC85xx_PORDEVSR_PCI1)) {
-                       /* PCI-X init */
-                       if (CONFIG_SYS_CLK_FREQ < 66000000)
-                               printf("PCI-X will only work at 66 MHz\n");
-
-                       reg16 = PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ
-                               | PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E;
-                       pci_hose_write_config_word(hose, bus, PCIX_COMMAND, reg16);
-               }
-#endif
-       } else {
-               printf ("    PCI: disabled\n");
-       }
-}
-#else
-       gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
-#endif
-
-       gur->devdisr |= MPC85xx_DEVDISR_PCI2; /* disable PCI2 */
-
-#ifdef CONFIG_PCIE1
-{
-       volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
-       struct pci_controller *hose = &pcie1_hose;
-       struct pci_region *r = hose->regions;
-
-       int pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
-
-       if (pcie_configured && !(gur->devdisr & MPC85xx_DEVDISR_PCIE)){
-               printf ("\n    PCIE at base address %x",
-                       (uint)pci);
-
-               if (pci->pme_msg_det) {
-                       pci->pme_msg_det = 0xffffffff;
-                       debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
-               }
-               printf ("\n");
-
-               /* outbound memory */
-               pci_set_region(r++,
-                              CONFIG_SYS_PCIE1_MEM_BASE,
-                              CONFIG_SYS_PCIE1_MEM_PHYS,
-                              CONFIG_SYS_PCIE1_MEM_SIZE,
-                              PCI_REGION_MEM);
-
-               /* outbound io */
-               pci_set_region(r++,
-                              CONFIG_SYS_PCIE1_IO_BASE,
-                              CONFIG_SYS_PCIE1_IO_PHYS,
-                              CONFIG_SYS_PCIE1_IO_SIZE,
-                              PCI_REGION_IO);
+                       pci_arb ? "arbiter" : "external-arbiter");
 
-               hose->region_count = r - hose->regions;
-
-               hose->first_busno=first_free_busno;
-
-               fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
-               printf ("PCIE on bus %d - %d\n",hose->first_busno,hose->last_busno);
-
-               first_free_busno=hose->last_busno+1;
+               SET_STD_PCI_INFO(pci_info, 1);
+               set_next_law(pci_info.mem_phys,
+                       law_size_bits(pci_info.mem_size), pci_info.law);
+               set_next_law(pci_info.io_phys,
+                       law_size_bits(pci_info.io_size), pci_info.law);
 
+               first_free_busno = fsl_pci_init_port(&pci_info,
+                                       &pci1_hose, first_free_busno);
        } else {
-               printf ("    PCIE: disabled\n");
+               printf("PCI: disabled\n");
        }
- }
+
+       puts("\n");
 #else
-       gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
+       setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */
 #endif
 
+       setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI2); /* disable PCI2 */
+
+       fsl_pcie_init_board(first_free_busno);
 }
+#endif
 
 int board_eth_init(bd_t *bis)
 {
@@ -451,11 +304,9 @@ int last_stage_init(void)
 void ft_board_setup(void *blob, bd_t *bd)
 {
        ft_cpu_setup(blob, bd);
-#ifdef CONFIG_PCI1
-       ft_fsl_pci_setup(blob, "pci0", &pci1_hose);
-#endif
-#ifdef CONFIG_PCIE1
-       ft_fsl_pci_setup(blob, "pci1", &pcie1_hose);
+
+#ifdef CONFIG_FSL_PCI_INIT
+       FT_FSL_PCI_SETUP;
 #endif
 }
 #endif