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Diffstat (limited to 'qemu/roms/u-boot/arch/powerpc/cpu/mpc83xx/cpu_init.c')
-rw-r--r--qemu/roms/u-boot/arch/powerpc/cpu/mpc83xx/cpu_init.c508
1 files changed, 508 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/arch/powerpc/cpu/mpc83xx/cpu_init.c b/qemu/roms/u-boot/arch/powerpc/cpu/mpc83xx/cpu_init.c
new file mode 100644
index 000000000..00572de12
--- /dev/null
+++ b/qemu/roms/u-boot/arch/powerpc/cpu/mpc83xx/cpu_init.c
@@ -0,0 +1,508 @@
+/*
+ * Copyright (C) 2004-2009 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <mpc83xx.h>
+#include <ioports.h>
+#include <asm/io.h>
+#ifdef CONFIG_USB_EHCI_FSL
+#include <usb/ehci-fsl.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_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);
+extern void qe_init(uint qe_base);
+extern void qe_reset(void);
+
+static void config_qe_ioports(void)
+{
+ u8 port, pin;
+ int dir, open_drain, assign;
+ int i;
+
+ for (i = 0; qe_iop_conf_tab[i].assign != QE_IOP_TAB_END; i++) {
+ port = qe_iop_conf_tab[i].port;
+ pin = qe_iop_conf_tab[i].pin;
+ dir = qe_iop_conf_tab[i].dir;
+ open_drain = qe_iop_conf_tab[i].open_drain;
+ assign = qe_iop_conf_tab[i].assign;
+ qe_config_iopin(port, pin, dir, open_drain, assign);
+ }
+}
+#endif
+
+/*
+ * Breathe some life into the CPU...
+ *
+ * Set up the memory map,
+ * initialize a bunch of registers,
+ * initialize the UPM's
+ */
+void cpu_init_f (volatile immap_t * im)
+{
+ __be32 acr_mask =
+#ifdef CONFIG_SYS_ACR_PIPE_DEP /* Arbiter pipeline depth */
+ ACR_PIPE_DEP |
+#endif
+#ifdef CONFIG_SYS_ACR_RPTCNT /* Arbiter repeat count */
+ ACR_RPTCNT |
+#endif
+#ifdef CONFIG_SYS_ACR_APARK /* Arbiter address parking mode */
+ ACR_APARK |
+#endif
+#ifdef CONFIG_SYS_ACR_PARKM /* Arbiter parking master */
+ ACR_PARKM |
+#endif
+ 0;
+ __be32 acr_val =
+#ifdef CONFIG_SYS_ACR_PIPE_DEP /* Arbiter pipeline depth */
+ (CONFIG_SYS_ACR_PIPE_DEP << ACR_PIPE_DEP_SHIFT) |
+#endif
+#ifdef CONFIG_SYS_ACR_RPTCNT /* Arbiter repeat count */
+ (CONFIG_SYS_ACR_RPTCNT << ACR_RPTCNT_SHIFT) |
+#endif
+#ifdef CONFIG_SYS_ACR_APARK /* Arbiter address parking mode */
+ (CONFIG_SYS_ACR_APARK << ACR_APARK_SHIFT) |
+#endif
+#ifdef CONFIG_SYS_ACR_PARKM /* Arbiter parking master */
+ (CONFIG_SYS_ACR_PARKM << ACR_PARKM_SHIFT) |
+#endif
+ 0;
+ __be32 spcr_mask =
+#ifdef CONFIG_SYS_SPCR_OPT /* Optimize transactions between CSB and other dev */
+ SPCR_OPT |
+#endif
+#ifdef CONFIG_SYS_SPCR_TSECEP /* all eTSEC's Emergency priority */
+ SPCR_TSECEP |
+#endif
+#ifdef CONFIG_SYS_SPCR_TSEC1EP /* TSEC1 Emergency priority */
+ SPCR_TSEC1EP |
+#endif
+#ifdef CONFIG_SYS_SPCR_TSEC2EP /* TSEC2 Emergency priority */
+ SPCR_TSEC2EP |
+#endif
+ 0;
+ __be32 spcr_val =
+#ifdef CONFIG_SYS_SPCR_OPT
+ (CONFIG_SYS_SPCR_OPT << SPCR_OPT_SHIFT) |
+#endif
+#ifdef CONFIG_SYS_SPCR_TSECEP /* all eTSEC's Emergency priority */
+ (CONFIG_SYS_SPCR_TSECEP << SPCR_TSECEP_SHIFT) |
+#endif
+#ifdef CONFIG_SYS_SPCR_TSEC1EP /* TSEC1 Emergency priority */
+ (CONFIG_SYS_SPCR_TSEC1EP << SPCR_TSEC1EP_SHIFT) |
+#endif
+#ifdef CONFIG_SYS_SPCR_TSEC2EP /* TSEC2 Emergency priority */
+ (CONFIG_SYS_SPCR_TSEC2EP << SPCR_TSEC2EP_SHIFT) |
+#endif
+ 0;
+ __be32 sccr_mask =
+#ifdef CONFIG_SYS_SCCR_ENCCM /* Encryption clock mode */
+ SCCR_ENCCM |
+#endif
+#ifdef CONFIG_SYS_SCCR_PCICM /* PCI & DMA clock mode */
+ SCCR_PCICM |
+#endif
+#ifdef CONFIG_SYS_SCCR_PCIEXP1CM /* PCIE1 clock mode */
+ SCCR_PCIEXP1CM |
+#endif
+#ifdef CONFIG_SYS_SCCR_PCIEXP2CM /* PCIE2 clock mode */
+ SCCR_PCIEXP2CM |
+#endif
+#ifdef CONFIG_SYS_SCCR_TSECCM /* all TSEC's clock mode */
+ SCCR_TSECCM |
+#endif
+#ifdef CONFIG_SYS_SCCR_TSEC1CM /* TSEC1 clock mode */
+ SCCR_TSEC1CM |
+#endif
+#ifdef CONFIG_SYS_SCCR_TSEC2CM /* TSEC2 clock mode */
+ SCCR_TSEC2CM |
+#endif
+#ifdef CONFIG_SYS_SCCR_TSEC1ON /* TSEC1 clock switch */
+ SCCR_TSEC1ON |
+#endif
+#ifdef CONFIG_SYS_SCCR_TSEC2ON /* TSEC2 clock switch */
+ SCCR_TSEC2ON |
+#endif
+#ifdef CONFIG_SYS_SCCR_USBMPHCM /* USB MPH clock mode */
+ SCCR_USBMPHCM |
+#endif
+#ifdef CONFIG_SYS_SCCR_USBDRCM /* USB DR clock mode */
+ SCCR_USBDRCM |
+#endif
+#ifdef CONFIG_SYS_SCCR_SATACM /* SATA controller clock mode */
+ SCCR_SATACM |
+#endif
+ 0;
+ __be32 sccr_val =
+#ifdef CONFIG_SYS_SCCR_ENCCM /* Encryption clock mode */
+ (CONFIG_SYS_SCCR_ENCCM << SCCR_ENCCM_SHIFT) |
+#endif
+#ifdef CONFIG_SYS_SCCR_PCICM /* PCI & DMA clock mode */
+ (CONFIG_SYS_SCCR_PCICM << SCCR_PCICM_SHIFT) |
+#endif
+#ifdef CONFIG_SYS_SCCR_PCIEXP1CM /* PCIE1 clock mode */
+ (CONFIG_SYS_SCCR_PCIEXP1CM << SCCR_PCIEXP1CM_SHIFT) |
+#endif
+#ifdef CONFIG_SYS_SCCR_PCIEXP2CM /* PCIE2 clock mode */
+ (CONFIG_SYS_SCCR_PCIEXP2CM << SCCR_PCIEXP2CM_SHIFT) |
+#endif
+#ifdef CONFIG_SYS_SCCR_TSECCM /* all TSEC's clock mode */
+ (CONFIG_SYS_SCCR_TSECCM << SCCR_TSECCM_SHIFT) |
+#endif
+#ifdef CONFIG_SYS_SCCR_TSEC1CM /* TSEC1 clock mode */
+ (CONFIG_SYS_SCCR_TSEC1CM << SCCR_TSEC1CM_SHIFT) |
+#endif
+#ifdef CONFIG_SYS_SCCR_TSEC2CM /* TSEC2 clock mode */
+ (CONFIG_SYS_SCCR_TSEC2CM << SCCR_TSEC2CM_SHIFT) |
+#endif
+#ifdef CONFIG_SYS_SCCR_TSEC1ON /* TSEC1 clock switch */
+ (CONFIG_SYS_SCCR_TSEC1ON << SCCR_TSEC1ON_SHIFT) |
+#endif
+#ifdef CONFIG_SYS_SCCR_TSEC2ON /* TSEC2 clock switch */
+ (CONFIG_SYS_SCCR_TSEC2ON << SCCR_TSEC2ON_SHIFT) |
+#endif
+#ifdef CONFIG_SYS_SCCR_USBMPHCM /* USB MPH clock mode */
+ (CONFIG_SYS_SCCR_USBMPHCM << SCCR_USBMPHCM_SHIFT) |
+#endif
+#ifdef CONFIG_SYS_SCCR_USBDRCM /* USB DR clock mode */
+ (CONFIG_SYS_SCCR_USBDRCM << SCCR_USBDRCM_SHIFT) |
+#endif
+#ifdef CONFIG_SYS_SCCR_SATACM /* SATA controller clock mode */
+ (CONFIG_SYS_SCCR_SATACM << SCCR_SATACM_SHIFT) |
+#endif
+ 0;
+ __be32 lcrr_mask =
+#ifdef CONFIG_SYS_LCRR_DBYP /* PLL bypass */
+ LCRR_DBYP |
+#endif
+#ifdef CONFIG_SYS_LCRR_EADC /* external address delay */
+ LCRR_EADC |
+#endif
+#ifdef CONFIG_SYS_LCRR_CLKDIV /* system clock divider */
+ LCRR_CLKDIV |
+#endif
+ 0;
+ __be32 lcrr_val =
+#ifdef CONFIG_SYS_LCRR_DBYP /* PLL bypass */
+ CONFIG_SYS_LCRR_DBYP |
+#endif
+#ifdef CONFIG_SYS_LCRR_EADC
+ CONFIG_SYS_LCRR_EADC |
+#endif
+#ifdef CONFIG_SYS_LCRR_CLKDIV /* system clock divider */
+ CONFIG_SYS_LCRR_CLKDIV |
+#endif
+ 0;
+
+ /* Pointer is writable since we allocated a register for it */
+ gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
+
+ /* Clear initial global data */
+ memset ((void *) gd, 0, sizeof (gd_t));
+
+ /* system performance tweaking */
+ clrsetbits_be32(&im->arbiter.acr, acr_mask, acr_val);
+
+ clrsetbits_be32(&im->sysconf.spcr, spcr_mask, spcr_val);
+
+ clrsetbits_be32(&im->clk.sccr, sccr_mask, sccr_val);
+
+ /* RSR - Reset Status Register - clear all status (4.6.1.3) */
+ gd->arch.reset_status = __raw_readl(&im->reset.rsr);
+ __raw_writel(~(RSR_RES), &im->reset.rsr);
+
+ /* AER - Arbiter Event Register - store status */
+ gd->arch.arbiter_event_attributes = __raw_readl(&im->arbiter.aeatr);
+ gd->arch.arbiter_event_address = __raw_readl(&im->arbiter.aeadr);
+
+ /*
+ * RMR - Reset Mode Register
+ * contains checkstop reset enable (4.6.1.4)
+ */
+ __raw_writel(RMR_CSRE & (1<<RMR_CSRE_SHIFT), &im->reset.rmr);
+
+ /* LCRR - Clock Ratio Register (10.3.1.16)
+ * write, read, and isync per MPC8379ERM rev.1 CLKDEV field description
+ */
+ clrsetbits_be32(&im->im_lbc.lcrr, lcrr_mask, lcrr_val);
+ __raw_readl(&im->im_lbc.lcrr);
+ isync();
+
+ /* Enable Time Base & Decrementer ( so we will have udelay() )*/
+ setbits_be32(&im->sysconf.spcr, SPCR_TBEN);
+
+ /* System General Purpose Register */
+#ifdef CONFIG_SYS_SICRH
+#if defined(CONFIG_MPC834x) || defined(CONFIG_MPC8313)
+ /* regarding to MPC34x manual rev.1 bits 28..29 must be preserved */
+ __raw_writel((im->sysconf.sicrh & 0x0000000C) | CONFIG_SYS_SICRH,
+ &im->sysconf.sicrh);
+#else
+ __raw_writel(CONFIG_SYS_SICRH, &im->sysconf.sicrh);
+#endif
+#endif
+#ifdef CONFIG_SYS_SICRL
+ __raw_writel(CONFIG_SYS_SICRL, &im->sysconf.sicrl);
+#endif
+#ifdef CONFIG_SYS_GPR1
+ __raw_writel(CONFIG_SYS_GPR1, &im->sysconf.gpr1);
+#endif
+#ifdef CONFIG_SYS_DDRCDR /* DDR control driver register */
+ __raw_writel(CONFIG_SYS_DDRCDR, &im->sysconf.ddrcdr);
+#endif
+#ifdef CONFIG_SYS_OBIR /* Output buffer impedance register */
+ __raw_writel(CONFIG_SYS_OBIR, &im->sysconf.obir);
+#endif
+
+#ifdef CONFIG_QE
+ /* Config QE ioports */
+ config_qe_ioports();
+#endif
+ /* Set up preliminary BR/OR regs */
+ init_early_memctl_regs();
+
+ /* Local Access window setup */
+#if defined(CONFIG_SYS_LBLAWBAR0_PRELIM) && defined(CONFIG_SYS_LBLAWAR0_PRELIM)
+ im->sysconf.lblaw[0].bar = CONFIG_SYS_LBLAWBAR0_PRELIM;
+ im->sysconf.lblaw[0].ar = CONFIG_SYS_LBLAWAR0_PRELIM;
+#else
+#error CONFIG_SYS_LBLAWBAR0_PRELIM & CONFIG_SYS_LBLAWAR0_PRELIM must be defined
+#endif
+
+#if defined(CONFIG_SYS_LBLAWBAR1_PRELIM) && defined(CONFIG_SYS_LBLAWAR1_PRELIM)
+ im->sysconf.lblaw[1].bar = CONFIG_SYS_LBLAWBAR1_PRELIM;
+ im->sysconf.lblaw[1].ar = CONFIG_SYS_LBLAWAR1_PRELIM;
+#endif
+#if defined(CONFIG_SYS_LBLAWBAR2_PRELIM) && defined(CONFIG_SYS_LBLAWAR2_PRELIM)
+ im->sysconf.lblaw[2].bar = CONFIG_SYS_LBLAWBAR2_PRELIM;
+ im->sysconf.lblaw[2].ar = CONFIG_SYS_LBLAWAR2_PRELIM;
+#endif
+#if defined(CONFIG_SYS_LBLAWBAR3_PRELIM) && defined(CONFIG_SYS_LBLAWAR3_PRELIM)
+ im->sysconf.lblaw[3].bar = CONFIG_SYS_LBLAWBAR3_PRELIM;
+ im->sysconf.lblaw[3].ar = CONFIG_SYS_LBLAWAR3_PRELIM;
+#endif
+#if defined(CONFIG_SYS_LBLAWBAR4_PRELIM) && defined(CONFIG_SYS_LBLAWAR4_PRELIM)
+ im->sysconf.lblaw[4].bar = CONFIG_SYS_LBLAWBAR4_PRELIM;
+ im->sysconf.lblaw[4].ar = CONFIG_SYS_LBLAWAR4_PRELIM;
+#endif
+#if defined(CONFIG_SYS_LBLAWBAR5_PRELIM) && defined(CONFIG_SYS_LBLAWAR5_PRELIM)
+ im->sysconf.lblaw[5].bar = CONFIG_SYS_LBLAWBAR5_PRELIM;
+ im->sysconf.lblaw[5].ar = CONFIG_SYS_LBLAWAR5_PRELIM;
+#endif
+#if defined(CONFIG_SYS_LBLAWBAR6_PRELIM) && defined(CONFIG_SYS_LBLAWAR6_PRELIM)
+ im->sysconf.lblaw[6].bar = CONFIG_SYS_LBLAWBAR6_PRELIM;
+ im->sysconf.lblaw[6].ar = CONFIG_SYS_LBLAWAR6_PRELIM;
+#endif
+#if defined(CONFIG_SYS_LBLAWBAR7_PRELIM) && defined(CONFIG_SYS_LBLAWAR7_PRELIM)
+ im->sysconf.lblaw[7].bar = CONFIG_SYS_LBLAWBAR7_PRELIM;
+ im->sysconf.lblaw[7].ar = CONFIG_SYS_LBLAWAR7_PRELIM;
+#endif
+#ifdef CONFIG_SYS_GPIO1_PRELIM
+ im->gpio[0].dat = CONFIG_SYS_GPIO1_DAT;
+ im->gpio[0].dir = CONFIG_SYS_GPIO1_DIR;
+#endif
+#ifdef CONFIG_SYS_GPIO2_PRELIM
+ im->gpio[1].dat = CONFIG_SYS_GPIO2_DAT;
+ im->gpio[1].dir = CONFIG_SYS_GPIO2_DIR;
+#endif
+#if defined(CONFIG_USB_EHCI_FSL) && defined(CONFIG_MPC831x)
+ uint32_t temp;
+ struct usb_ehci *ehci = (struct usb_ehci *)CONFIG_SYS_FSL_USB1_ADDR;
+
+ /* Configure interface. */
+ setbits_be32(&ehci->control, REFSEL_16MHZ | UTMI_PHY_EN);
+
+ /* Wait for clock to stabilize */
+ do {
+ temp = __raw_readl(&ehci->control);
+ udelay(1000);
+ } while (!(temp & PHY_CLK_VALID));
+#endif
+}
+
+int cpu_init_r (void)
+{
+#ifdef CONFIG_QE
+ uint qe_base = CONFIG_SYS_IMMR + 0x00100000; /* QE immr base */
+
+ qe_init(qe_base);
+ qe_reset();
+#endif
+ return 0;
+}
+
+/*
+ * Print out the bus arbiter event
+ */
+#if defined(CONFIG_DISPLAY_AER_FULL)
+static int print_83xx_arb_event(int force)
+{
+ static char* event[] = {
+ "Address Time Out",
+ "Data Time Out",
+ "Address Only Transfer Type",
+ "External Control Word Transfer Type",
+ "Reserved Transfer Type",
+ "Transfer Error",
+ "reserved",
+ "reserved"
+ };
+ static char* master[] = {
+ "e300 Core Data Transaction",
+ "reserved",
+ "e300 Core Instruction Fetch",
+ "reserved",
+ "TSEC1",
+ "TSEC2",
+ "USB MPH",
+ "USB DR",
+ "Encryption Core",
+ "I2C Boot Sequencer",
+ "JTAG",
+ "reserved",
+ "eSDHC",
+ "PCI1",
+ "PCI2",
+ "DMA",
+ "QUICC Engine 00",
+ "QUICC Engine 01",
+ "QUICC Engine 10",
+ "QUICC Engine 11",
+ "reserved",
+ "reserved",
+ "reserved",
+ "reserved",
+ "SATA1",
+ "SATA2",
+ "SATA3",
+ "SATA4",
+ "reserved",
+ "PCI Express 1",
+ "PCI Express 2",
+ "TDM-DMAC"
+ };
+ static char *transfer[] = {
+ "Address-only, Clean Block",
+ "Address-only, lwarx reservation set",
+ "Single-beat or Burst write",
+ "reserved",
+ "Address-only, Flush Block",
+ "reserved",
+ "Burst write",
+ "reserved",
+ "Address-only, sync",
+ "Address-only, tlbsync",
+ "Single-beat or Burst read",
+ "Single-beat or Burst read",
+ "Address-only, Kill Block",
+ "Address-only, icbi",
+ "Burst read",
+ "reserved",
+ "Address-only, eieio",
+ "reserved",
+ "Single-beat write",
+ "reserved",
+ "ecowx - Illegal single-beat write",
+ "reserved",
+ "reserved",
+ "reserved",
+ "Address-only, TLB Invalidate",
+ "reserved",
+ "Single-beat or Burst read",
+ "reserved",
+ "eciwx - Illegal single-beat read",
+ "reserved",
+ "Burst read",
+ "reserved"
+ };
+
+ int etype = (gd->arch.arbiter_event_attributes & AEATR_EVENT)
+ >> AEATR_EVENT_SHIFT;
+ int mstr_id = (gd->arch.arbiter_event_attributes & AEATR_MSTR_ID)
+ >> AEATR_MSTR_ID_SHIFT;
+ int tbst = (gd->arch.arbiter_event_attributes & AEATR_TBST)
+ >> AEATR_TBST_SHIFT;
+ int tsize = (gd->arch.arbiter_event_attributes & AEATR_TSIZE)
+ >> AEATR_TSIZE_SHIFT;
+ int ttype = (gd->arch.arbiter_event_attributes & AEATR_TTYPE)
+ >> AEATR_TTYPE_SHIFT;
+
+ if (!force && !gd->arch.arbiter_event_address)
+ return 0;
+
+ puts("Arbiter Event Status:\n");
+ printf(" Event Address: 0x%08lX\n",
+ gd->arch.arbiter_event_address);
+ printf(" Event Type: 0x%1x = %s\n", etype, event[etype]);
+ printf(" Master ID: 0x%02x = %s\n", mstr_id, master[mstr_id]);
+ printf(" Transfer Size: 0x%1x = %d bytes\n", (tbst<<3) | tsize,
+ tbst ? (tsize ? tsize : 8) : 16 + 8 * tsize);
+ printf(" Transfer Type: 0x%02x = %s\n", ttype, transfer[ttype]);
+
+ return gd->arch.arbiter_event_address;
+}
+
+#elif defined(CONFIG_DISPLAY_AER_BRIEF)
+
+static int print_83xx_arb_event(int force)
+{
+ if (!force && !gd->arch.arbiter_event_address)
+ return 0;
+
+ printf("Arbiter Event Status: AEATR=0x%08lX, AEADR=0x%08lX\n",
+ gd->arch.arbiter_event_attributes,
+ gd->arch.arbiter_event_address);
+
+ return gd->arch.arbiter_event_address;
+}
+#endif /* CONFIG_DISPLAY_AER_xxxx */
+
+/*
+ * Figure out the cause of the reset
+ */
+int prt_83xx_rsr(void)
+{
+ static struct {
+ ulong mask;
+ char *desc;
+ } bits[] = {
+ {
+ RSR_SWSR, "Software Soft"}, {
+ RSR_SWHR, "Software Hard"}, {
+ RSR_JSRS, "JTAG Soft"}, {
+ RSR_CSHR, "Check Stop"}, {
+ RSR_SWRS, "Software Watchdog"}, {
+ RSR_BMRS, "Bus Monitor"}, {
+ RSR_SRS, "External/Internal Soft"}, {
+ RSR_HRS, "External/Internal Hard"}
+ };
+ static int n = sizeof bits / sizeof bits[0];
+ ulong rsr = gd->arch.reset_status;
+ int i;
+ char *sep;
+
+ puts("Reset Status:");
+
+ sep = " ";
+ for (i = 0; i < n; i++)
+ if (rsr & bits[i].mask) {
+ printf("%s%s", sep, bits[i].desc);
+ sep = ", ";
+ }
+ puts("\n");
+
+#if defined(CONFIG_DISPLAY_AER_FULL) || defined(CONFIG_DISPLAY_AER_BRIEF)
+ print_83xx_arb_event(rsr & RSR_BMRS);
+#endif
+ puts("\n");
+
+ return 0;
+}