]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - arch/powerpc/cpu/mpc85xx/cpu_init.c
Merge branch 'u-boot-ti/master' into 'u-boot-arm/master'
[karo-tx-uboot.git] / arch / powerpc / cpu / mpc85xx / cpu_init.c
index 6036333eaa72fba3ac3e3378d42abb06dce12d6e..78316a681593dd630cd5ef2c402b5ca9dc078ecb 100644 (file)
@@ -19,6 +19,7 @@
 #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>
 #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_SINGLE_SOURCE_CLK
+/*
+ * For deriving usb clock from 100MHz sysclk, reference divisor is set
+ * to a value of 5, which gives an intermediate value 20(100/5). The
+ * multiplication factor integer is set to 24, which when multiplied to
+ * above intermediate value provides clock for usb ip.
+ */
+void usb_single_source_clk_configure(struct ccsr_usb_phy *usb_phy)
+{
+       sys_info_t sysinfo;
+
+       get_sys_info(&sysinfo);
+       if (sysinfo.diff_sysclk == 1) {
+               clrbits_be32(&usb_phy->pllprg[1],
+                            CONFIG_SYS_FSL_USB_PLLPRG2_MFI);
+               setbits_be32(&usb_phy->pllprg[1],
+                            CONFIG_SYS_FSL_USB_PLLPRG2_REF_DIV_INTERNAL_CLK |
+                            CONFIG_SYS_FSL_USB_PLLPRG2_MFI_INTERNAL_CLK |
+                            CONFIG_SYS_FSL_USB_INTERNAL_SOC_CLK_EN);
+               }
+}
+#endif
+
+#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);
@@ -124,17 +199,14 @@ 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);
@@ -149,8 +221,47 @@ static void enable_cpc(void)
                        out_be32(&cpc->cpccsr0, 0);
                        out_be32(&cpc->cpcsrcr0, 0);
                }
+       }
+}
 #endif
 
+#if defined(T1040_TDM_QUIRK_CCSR_BASE)
+#ifdef CONFIG_POST
+#error POST memory test cannot be enabled with TDM
+#endif
+static void enable_tdm_law(void)
+{
+       int ret;
+       char buffer[HWCONFIG_BUFFER_SIZE] = {0};
+       int tdm_hwconfig_enabled = 0;
+
+       /*
+        * Extract hwconfig from environment since environment
+        * is not setup properly yet. Search for tdm entry in
+        * hwconfig.
+        */
+       ret = getenv_f("hwconfig", buffer, sizeof(buffer));
+       if (ret > 0) {
+               tdm_hwconfig_enabled = hwconfig_f("tdm", buffer);
+               /* If tdm is defined in hwconfig, set law for tdm workaround */
+               if (tdm_hwconfig_enabled)
+                       set_next_law(T1040_TDM_QUIRK_CCSR_BASE, LAW_SIZE_16M,
+                                    LAW_TRGT_IF_CCSR);
+       }
+}
+#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
@@ -160,6 +271,12 @@ 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 */
@@ -212,8 +329,74 @@ static void corenet_tb_init(void)
 }
 #endif
 
-void cpu_init_f (void)
+#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
+
+ulong cpu_init_f(void)
+{
+       ulong flag = 0;
        extern void m8560_cpm_reset (void);
 #ifdef CONFIG_SYS_DCSRBAR_PHYS
        ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
@@ -243,6 +426,10 @@ 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
@@ -254,10 +441,12 @@ 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
@@ -275,6 +464,18 @@ 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))
+               flag = GD_FLG_SILENT | GD_FLG_DISABLE_CONSOLE;
+#endif
+#endif
+#ifdef CONFIG_SYS_FSL_ERRATUM_A007212
+       fsl_erratum_a007212_workaround();
+#endif
+
+       return flag;
 }
 
 /* Implement a dummy function for those platforms w/o SERDES */
@@ -284,14 +485,21 @@ 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;
-       u32 cluster;
+       u32 cluster, svr = get_svr();
        ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
        struct ccsr_cluster_l2 __iomem *l2cache;
 
+       /* only the L2 of first cluster should be enabled as expected on T4080,
+        * but there is no EOC in the first cluster as HW sake, so return here
+        * to skip enabling L2 cache of the 2nd cluster.
+        */
+       if (SVR_SOC_VER(svr) == SVR_T4080)
+               return 0;
+
        cluster = in_be32(&gur->tp_cluster[i].lower);
        if (cluster & TP_CLUSTER_EOC)
                return 0;
@@ -350,7 +558,7 @@ 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)
@@ -533,7 +741,7 @@ int cpu_init_r(void)
        }
 
 skip_l2:
-#elif defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2)
+#elif defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
        if (l2cache->l2csr0 & L2CSR0_L2E)
                print_size((l2cache->l2cfg0 & 0x3fff) * 64 * 1024,
                           " enabled\n");
@@ -543,7 +751,13 @@ skip_l2:
        puts("disabled\n");
 #endif
 
+#if defined(CONFIG_RAMBOOT_PBL)
+       disable_cpc_sram();
+#endif
        enable_cpc();
+#if defined(T1040_TDM_QUIRK_CCSR_BASE)
+       enable_tdm_law();
+#endif
 
 #ifndef CONFIG_SYS_FSL_NO_SERDES
        /* needs to be in ram since code uses global static vars */
@@ -618,6 +832,10 @@ skip_l2:
        {
                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);
        }
@@ -626,6 +844,10 @@ skip_l2:
        {
                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);
        }
@@ -653,6 +875,9 @@ skip_l2:
                             CONFIG_SYS_FSL_USB_PLLPRG2_PHY1_CLK_EN |
                             CONFIG_SYS_FSL_USB_PLLPRG2_MFI |
                             CONFIG_SYS_FSL_USB_PLLPRG2_PLL_EN);
+#ifdef CONFIG_SYS_FSL_SINGLE_SOURCE_CLK
+               usb_single_source_clk_configure(usb_phy);
+#endif
                setbits_be32(&usb_phy->port1.ctrl,
                             CONFIG_SYS_FSL_USB_CTRL_PHY_EN);
                setbits_be32(&usb_phy->port1.drvvbuscfg,
@@ -665,8 +890,14 @@ 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
@@ -694,12 +925,11 @@ skip_l2:
        }
 #endif
 
+       init_used_tlb_cams();
 
        return 0;
 }
 
-extern void setup_ivors(void);
-
 void arch_preboot_os(void)
 {
        u32 msr;
@@ -712,8 +942,6 @@ 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)
@@ -728,21 +956,13 @@ 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