]> git.sur5r.net Git - u-boot/blobdiff - arch/powerpc/cpu/mpc85xx/cpu_init.c
powerpc:Add support of SPL non-relocation
[u-boot] / arch / powerpc / cpu / mpc85xx / cpu_init.c
index 3c8f59cdb363ce151572bcd00a75d8b765cbcd4c..a2b79cc7cc0fd153ea7c5e319b357d7d1c1721a8 100644 (file)
@@ -7,23 +7,7 @@
  * (C) Copyright 2000
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
- * 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>
 #include <asm/io.h>
 #include <asm/cache.h>
 #include <asm/mmu.h>
+#include <asm/fsl_errata.h>
 #include <asm/fsl_law.h>
 #include <asm/fsl_serdes.h>
 #include <asm/fsl_srio.h>
+#include <fsl_usb.h>
 #include <hwconfig.h>
 #include <linux/compiler.h>
 #include "mp.h"
 #endif
 
 #include "../../../../drivers/block/fsl_sata.h"
+#ifdef CONFIG_U_QE
+#include "../../../../drivers/qe/qe.h"
+#endif
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#ifdef CONFIG_QE
+#ifdef CONFIG_SYS_FSL_ERRATUM_A006261
+void fsl_erratum_a006261_workaround(struct ccsr_usb_phy __iomem *usb_phy)
+{
+#ifdef CONFIG_SYS_FSL_USB_DUAL_PHY_ENABLE
+       u32 xcvrprg = in_be32(&usb_phy->port1.xcvrprg);
+
+       /* Increase Disconnect Threshold by 50mV */
+       xcvrprg &= ~CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_MASK |
+                                               INC_DCNT_THRESHOLD_50MV;
+       /* Enable programming of USB High speed Disconnect threshold */
+       xcvrprg |= CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_EN;
+       out_be32(&usb_phy->port1.xcvrprg, xcvrprg);
+
+       xcvrprg = in_be32(&usb_phy->port2.xcvrprg);
+       /* Increase Disconnect Threshold by 50mV */
+       xcvrprg &= ~CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_MASK |
+                                               INC_DCNT_THRESHOLD_50MV;
+       /* Enable programming of USB High speed Disconnect threshold */
+       xcvrprg |= CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_EN;
+       out_be32(&usb_phy->port2.xcvrprg, xcvrprg);
+#else
+
+       u32 temp = 0;
+       u32 status = in_be32(&usb_phy->status1);
+
+       u32 squelch_prog_rd_0_2 =
+               (status >> CONFIG_SYS_FSL_USB_SQUELCH_PROG_RD_0)
+                       & CONFIG_SYS_FSL_USB_SQUELCH_PROG_MASK;
+
+       u32 squelch_prog_rd_3_5 =
+               (status >> CONFIG_SYS_FSL_USB_SQUELCH_PROG_RD_3)
+                       & CONFIG_SYS_FSL_USB_SQUELCH_PROG_MASK;
+
+       setbits_be32(&usb_phy->config1,
+                    CONFIG_SYS_FSL_USB_HS_DISCNCT_INC);
+       setbits_be32(&usb_phy->config2,
+                    CONFIG_SYS_FSL_USB_RX_AUTO_CAL_RD_WR_SEL);
+
+       temp = squelch_prog_rd_0_2 << CONFIG_SYS_FSL_USB_SQUELCH_PROG_WR_0;
+       out_be32(&usb_phy->config2, in_be32(&usb_phy->config2) | temp);
+
+       temp = squelch_prog_rd_3_5 << CONFIG_SYS_FSL_USB_SQUELCH_PROG_WR_3;
+       out_be32(&usb_phy->config2, in_be32(&usb_phy->config2) | temp);
+#endif
+}
+#endif
+
+
+#if defined(CONFIG_QE) && !defined(CONFIG_U_QE)
 extern qe_iop_conf_t qe_iop_conf_tab[];
 extern void qe_config_iopin(u8 port, u8 pin, int dir,
                                int open_drain, int assign);
@@ -139,17 +176,14 @@ void config_8560_ioports (volatile ccsr_cpm_t * cpm)
 #endif
 
 #ifdef CONFIG_SYS_FSL_CPC
-static void enable_cpc(void)
+#if defined(CONFIG_RAMBOOT_PBL) || defined(CONFIG_SYS_CPC_REINIT_F)
+static void disable_cpc_sram(void)
 {
        int i;
-       u32 size = 0;
 
        cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR;
 
        for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) {
-               u32 cpccfg0 = in_be32(&cpc->cpccfg0);
-               size += CPC_CFG0_SZ_K(cpccfg0);
-#ifdef CONFIG_RAMBOOT_PBL
                if (in_be32(&cpc->cpcsrcr0) & CPC_SRCR0_SRAMEN) {
                        /* find and disable LAW of SRAM */
                        struct law_entry law = find_law(CONFIG_SYS_INIT_L3_ADDR);
@@ -164,8 +198,21 @@ static void enable_cpc(void)
                        out_be32(&cpc->cpccsr0, 0);
                        out_be32(&cpc->cpcsrcr0, 0);
                }
+       }
+}
 #endif
 
+static void enable_cpc(void)
+{
+       int i;
+       u32 size = 0;
+
+       cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR;
+
+       for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) {
+               u32 cpccfg0 = in_be32(&cpc->cpccfg0);
+               size += CPC_CFG0_SZ_K(cpccfg0);
+
 #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A002
                setbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_TAG_ECC_SCRUB_DIS);
 #endif
@@ -175,6 +222,12 @@ static void enable_cpc(void)
 #ifdef CONFIG_SYS_FSL_ERRATUM_A006593
                setbits_be32(&cpc->cpchdbcr0, 1 << (31 - 21));
 #endif
+#ifdef CONFIG_SYS_FSL_ERRATUM_A006379
+               if (has_erratum_a006379()) {
+                       setbits_be32(&cpc->cpchdbcr0,
+                                    CPC_HDBCR0_SPLRU_LEVEL_EN);
+               }
+#endif
 
                out_be32(&cpc->cpccsr0, CPC_CSR0_CE | CPC_CSR0_PE);
                /* Read back to sync write */
@@ -182,7 +235,8 @@ static void enable_cpc(void)
 
        }
 
-       printf("Corenet Platform Cache: %d KB enabled\n", size);
+       puts("Corenet Platform Cache: ");
+       print_size(size * 1024, " enabled\n");
 }
 
 static void invalidate_cpc(void)
@@ -226,11 +280,77 @@ static void corenet_tb_init(void)
 }
 #endif
 
+#ifdef CONFIG_SYS_FSL_ERRATUM_A007212
+void fsl_erratum_a007212_workaround(void)
+{
+       ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+       u32 ddr_pll_ratio;
+       u32 __iomem *plldgdcr1 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c20);
+       u32 __iomem *plldadcr1 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c28);
+       u32 __iomem *dpdovrcr4 = (void *)(CONFIG_SYS_DCSRBAR + 0x21e80);
+#if (CONFIG_NUM_DDR_CONTROLLERS >= 2)
+       u32 __iomem *plldgdcr2 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c40);
+       u32 __iomem *plldadcr2 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c48);
+#if (CONFIG_NUM_DDR_CONTROLLERS >= 3)
+       u32 __iomem *plldgdcr3 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c60);
+       u32 __iomem *plldadcr3 = (void *)(CONFIG_SYS_DCSRBAR + 0x21c68);
+#endif
+#endif
+       /*
+        * Even this workaround applies to selected version of SoCs, it is
+        * safe to apply to all versions, with the limitation of odd ratios.
+        * If RCW has disabled DDR PLL, we have to apply this workaround,
+        * otherwise DDR will not work.
+        */
+       ddr_pll_ratio = (in_be32(&gur->rcwsr[0]) >>
+               FSL_CORENET_RCWSR0_MEM_PLL_RAT_SHIFT) &
+               FSL_CORENET_RCWSR0_MEM_PLL_RAT_MASK;
+       /* check if RCW sets ratio to 0, required by this workaround */
+       if (ddr_pll_ratio != 0)
+               return;
+       ddr_pll_ratio = (in_be32(&gur->rcwsr[0]) >>
+               FSL_CORENET_RCWSR0_MEM_PLL_RAT_RESV_SHIFT) &
+               FSL_CORENET_RCWSR0_MEM_PLL_RAT_MASK;
+       /* check if reserved bits have the desired ratio */
+       if (ddr_pll_ratio == 0) {
+               printf("Error: Unknown DDR PLL ratio!\n");
+               return;
+       }
+       ddr_pll_ratio >>= 1;
+
+       setbits_be32(plldadcr1, 0x02000001);
+#if (CONFIG_NUM_DDR_CONTROLLERS >= 2)
+       setbits_be32(plldadcr2, 0x02000001);
+#if (CONFIG_NUM_DDR_CONTROLLERS >= 3)
+       setbits_be32(plldadcr3, 0x02000001);
+#endif
+#endif
+       setbits_be32(dpdovrcr4, 0xe0000000);
+       out_be32(plldgdcr1, 0x08000001 | (ddr_pll_ratio << 1));
+#if (CONFIG_NUM_DDR_CONTROLLERS >= 2)
+       out_be32(plldgdcr2, 0x08000001 | (ddr_pll_ratio << 1));
+#if (CONFIG_NUM_DDR_CONTROLLERS >= 3)
+       out_be32(plldgdcr3, 0x08000001 | (ddr_pll_ratio << 1));
+#endif
+#endif
+       udelay(100);
+       clrbits_be32(plldadcr1, 0x02000001);
+#if (CONFIG_NUM_DDR_CONTROLLERS >= 2)
+       clrbits_be32(plldadcr2, 0x02000001);
+#if (CONFIG_NUM_DDR_CONTROLLERS >= 3)
+       clrbits_be32(plldadcr3, 0x02000001);
+#endif
+#endif
+       clrbits_be32(dpdovrcr4, 0xe0000000);
+}
+#endif
+
 void cpu_init_f (void)
 {
        extern void m8560_cpm_reset (void);
 #ifdef CONFIG_SYS_DCSRBAR_PHYS
        ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+       gd = (gd_t *)(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
 #endif
 #if defined(CONFIG_SECURE_BOOT)
        struct law_entry law;
@@ -257,6 +377,10 @@ void cpu_init_f (void)
        law = find_law(CONFIG_SYS_PBI_FLASH_BASE);
        if (law.index != -1)
                disable_law(law.index);
+
+#if defined(CONFIG_SYS_CPC_REINIT_F)
+       disable_cpc_sram();
+#endif
 #endif
 
 #ifdef CONFIG_CPM2
@@ -268,10 +392,12 @@ void cpu_init_f (void)
 #if defined(CONFIG_CPM2)
        m8560_cpm_reset();
 #endif
-#ifdef CONFIG_QE
+
+#if defined(CONFIG_QE) && !defined(CONFIG_U_QE)
        /* Config QE ioports */
        config_qe_ioports();
 #endif
+
 #if defined(CONFIG_FSL_DMA)
        dma_init();
 #endif
@@ -289,6 +415,17 @@ void cpu_init_f (void)
        in_be32(&gur->dcsrcr);
 #endif
 
+#ifdef CONFIG_SYS_DCSRBAR_PHYS
+#ifdef CONFIG_DEEP_SLEEP
+       /* disable the console if boot from deep sleep */
+       if (in_be32(&gur->scrtsr[0]) & (1 << 3))
+               gd->flags |= GD_FLG_SILENT | GD_FLG_DISABLE_CONSOLE;
+#endif
+#endif
+#ifdef CONFIG_SYS_FSL_ERRATUM_A007212
+       fsl_erratum_a007212_workaround();
+#endif
+
 }
 
 /* Implement a dummy function for those platforms w/o SERDES */
@@ -298,7 +435,7 @@ static void __fsl_serdes__init(void)
 }
 __attribute__((weak, alias("__fsl_serdes__init"))) void fsl_serdes_init(void);
 
-#ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2
+#if defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
 int enable_cluster_l2(void)
 {
        int i = 0;
@@ -364,14 +501,16 @@ int cpu_init_r(void)
 #endif
 #ifdef CONFIG_L2_CACHE
        ccsr_l2cache_t *l2cache = (void __iomem *)CONFIG_SYS_MPC85xx_L2_ADDR;
-#elif defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2)
+#elif defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
        struct ccsr_cluster_l2 * l2cache = (void __iomem *)CONFIG_SYS_FSL_CLUSTER_1_L2;
 #endif
 #if defined(CONFIG_PPC_SPINTABLE_COMPATIBLE) && defined(CONFIG_MP)
        extern int spin_table_compat;
        const char *spin;
 #endif
-
+#ifdef CONFIG_SYS_FSL_ERRATUM_SEC_A003571
+       ccsr_sec_t __iomem *sec = (void *)CONFIG_SYS_FSL_SEC_ADDR;
+#endif
 #if defined(CONFIG_SYS_P4080_ERRATUM_CPU22) || \
        defined(CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011)
        /*
@@ -415,6 +554,14 @@ int cpu_init_r(void)
                sync();
        }
 #endif
+#ifdef CONFIG_SYS_FSL_ERRATUM_A005812
+       /*
+        * A-005812 workaround sets bit 32 of SPR 976 for SoCs running
+        * in write shadow mode. Checking DCWS before setting SPR 976.
+        */
+       if (mfspr(L1CSR2) & L1CSR2_DCWS)
+               mtspr(SPRN_HDBCR0, (mfspr(SPRN_HDBCR0) | 0x80000000));
+#endif
 
 #if defined(CONFIG_PPC_SPINTABLE_COMPATIBLE) && defined(CONFIG_MP)
        spin = getenv("spin_table_compat");
@@ -464,28 +611,28 @@ int cpu_init_r(void)
        case 0x1:
                if (ver == SVR_8540 || ver == SVR_8560   ||
                    ver == SVR_8541 || ver == SVR_8555) {
-                       puts("128 KB ");
-                       /* set L2E=1, L2I=1, & L2BLKSZ=1 (128 Kbyte) */
+                       puts("128 KiB ");
+                       /* set L2E=1, L2I=1, & L2BLKSZ=1 (128 KiBibyte) */
                        cache_ctl = 0xc4000000;
                } else {
-                       puts("256 KB ");
+                       puts("256 KiB ");
                        cache_ctl = 0xc0000000; /* set L2E=1, L2I=1, & L2SRAM=0 */
                }
                break;
        case 0x2:
                if (ver == SVR_8540 || ver == SVR_8560   ||
                    ver == SVR_8541 || ver == SVR_8555) {
-                       puts("256 KB ");
-                       /* set L2E=1, L2I=1, & L2BLKSZ=2 (256 Kbyte) */
+                       puts("256 KiB ");
+                       /* set L2E=1, L2I=1, & L2BLKSZ=2 (256 KiBibyte) */
                        cache_ctl = 0xc8000000;
                } else {
-                       puts ("512 KB ");
+                       puts("512 KiB ");
                        /* set L2E=1, L2I=1, & L2SRAM=0 */
                        cache_ctl = 0xc0000000;
                }
                break;
        case 0x3:
-               puts("1024 KB ");
+               puts("1024 KiB ");
                /* set L2E=1, L2I=1, & L2SRAM=0 */
                cache_ctl = 0xc0000000;
                break;
@@ -533,23 +680,35 @@ int cpu_init_r(void)
        if (CONFIG_SYS_INIT_L2CSR0 & L2CSR0_L2E) {
                while (!(mfspr(SPRN_L2CSR0) & L2CSR0_L2E))
                        ;
-               printf("%d KB enabled\n", (l2cfg0 & 0x3fff) * 64);
+               print_size((l2cfg0 & 0x3fff) * 64 * 1024, " enabled\n");
        }
 
 skip_l2:
-#elif defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2)
+#elif defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
        if (l2cache->l2csr0 & L2CSR0_L2E)
-               printf("%d KB enabled\n", (l2cache->l2cfg0 & 0x3fff) * 64);
+               print_size((l2cache->l2cfg0 & 0x3fff) * 64 * 1024,
+                          " enabled\n");
 
        enable_cluster_l2();
 #else
        puts("disabled\n");
 #endif
 
+#if defined(CONFIG_RAMBOOT_PBL)
+       disable_cpc_sram();
+#endif
        enable_cpc();
 
+#ifndef CONFIG_SYS_FSL_NO_SERDES
        /* needs to be in ram since code uses global static vars */
        fsl_serdes_init();
+#endif
+
+#ifdef CONFIG_SYS_FSL_ERRATUM_SEC_A003571
+#define MCFGR_AXIPIPE 0x000000f0
+       if (IS_SVR_REV(svr, 1, 0))
+               clrbits_be32(&sec->mcfgr, MCFGR_AXIPIPE);
+#endif
 
 #ifdef CONFIG_SYS_FSL_ERRATUM_A005871
        if (IS_SVR_REV(svr, 1, 0)) {
@@ -611,16 +770,24 @@ skip_l2:
 
 #ifdef CONFIG_SYS_FSL_USB1_PHY_ENABLE
        {
-               ccsr_usb_phy_t *usb_phy1 =
+               struct ccsr_usb_phy __iomem *usb_phy1 =
                        (void *)CONFIG_SYS_MPC85xx_USB1_PHY_ADDR;
+#ifdef CONFIG_SYS_FSL_ERRATUM_A006261
+               if (has_erratum_a006261())
+                       fsl_erratum_a006261_workaround(usb_phy1);
+#endif
                out_be32(&usb_phy1->usb_enable_override,
                                CONFIG_SYS_FSL_USB_ENABLE_OVERRIDE);
        }
 #endif
 #ifdef CONFIG_SYS_FSL_USB2_PHY_ENABLE
        {
-               ccsr_usb_phy_t *usb_phy2 =
+               struct ccsr_usb_phy __iomem *usb_phy2 =
                        (void *)CONFIG_SYS_MPC85xx_USB2_PHY_ADDR;
+#ifdef CONFIG_SYS_FSL_ERRATUM_A006261
+               if (has_erratum_a006261())
+                       fsl_erratum_a006261_workaround(usb_phy2);
+#endif
                out_be32(&usb_phy2->usb_enable_override,
                                CONFIG_SYS_FSL_USB_ENABLE_OVERRIDE);
        }
@@ -641,7 +808,7 @@ skip_l2:
 #endif
 
 #if defined(CONFIG_SYS_FSL_USB_DUAL_PHY_ENABLE)
-               ccsr_usb_phy_t *usb_phy =
+               struct ccsr_usb_phy __iomem *usb_phy =
                        (void *)CONFIG_SYS_MPC85xx_USB1_PHY_ADDR;
                setbits_be32(&usb_phy->pllprg[1],
                             CONFIG_SYS_FSL_USB_PLLPRG2_PHY2_CLK_EN |
@@ -660,8 +827,14 @@ skip_l2:
                             CONFIG_SYS_FSL_USB_DRVVBUS_CR_EN);
                setbits_be32(&usb_phy->port2.pwrfltcfg,
                             CONFIG_SYS_FSL_USB_PWRFLT_CR_EN);
+
+#ifdef CONFIG_SYS_FSL_ERRATUM_A006261
+               if (has_erratum_a006261())
+                       fsl_erratum_a006261_workaround(usb_phy);
 #endif
 
+#endif /* CONFIG_SYS_FSL_USB_DUAL_PHY_ENABLE */
+
 #ifdef CONFIG_FMAN_ENET
        fman_enet_init();
 #endif
@@ -693,8 +866,6 @@ skip_l2:
        return 0;
 }
 
-extern void setup_ivors(void);
-
 void arch_preboot_os(void)
 {
        u32 msr;
@@ -707,8 +878,6 @@ void arch_preboot_os(void)
        msr = mfmsr();
        msr &= ~(MSR_ME|MSR_CE);
        mtmsr(msr);
-
-       setup_ivors();
 }
 
 #if defined(CONFIG_CMD_SATA) && defined(CONFIG_FSL_SATA)
@@ -723,21 +892,13 @@ int sata_initialize(void)
 
 void cpu_secondary_init_r(void)
 {
-#ifdef CONFIG_QE
+#ifdef CONFIG_U_QE
+       uint qe_base = CONFIG_SYS_IMMR + 0x00140000; /* QE immr base */
+#elif defined CONFIG_QE
        uint qe_base = CONFIG_SYS_IMMR + 0x00080000; /* QE immr base */
-#ifdef CONFIG_SYS_QE_FMAN_FW_IN_NAND
-       int ret;
-       size_t fw_length = CONFIG_SYS_QE_FMAN_FW_LENGTH;
-
-       /* load QE firmware from NAND flash to DDR first */
-       ret = nand_read(&nand_info[0], (loff_t)CONFIG_SYS_QE_FMAN_FW_IN_NAND,
-                       &fw_length, (u_char *)CONFIG_SYS_QE_FMAN_FW_ADDR);
-
-       if (ret && ret == -EUCLEAN) {
-               printf ("NAND read for QE firmware at offset %x failed %d\n",
-                               CONFIG_SYS_QE_FMAN_FW_IN_NAND, ret);
-       }
 #endif
+
+#ifdef CONFIG_QE
        qe_init(qe_base);
        qe_reset();
 #endif