[U-Boot-Users] [PATCH 2/3] mpc85xx: Add support for ATUM8548
robert lazarski
robertlazarski at gmail.com
Thu Dec 20 23:42:22 CET 2007
Add support for Instituto Atlantico's ATUM8548 board
Signed-off-by: robert lazarski <robertlazarski at gmail.com>
diff --git a/board/atum8548/Makefile b/board/atum8548/Makefile
new file mode 100644
index 0000000..e198062
--- /dev/null
+++ b/board/atum8548/Makefile
@@ -0,0 +1,56 @@
+#
+# Copyright 2004 Freescale Semiconductor.
+# (C) Copyright 2001-2006
+# Wolfgang Denk, DENX Software Engineering, wd at 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
+#
+
+include $(TOPDIR)/config.mk
+ifneq ($(OBJTREE),$(SRCTREE))
+$(shell mkdir -p $(obj)../common)
+endif
+
+LIB = $(obj)lib$(BOARD).a
+
+COBJS := $(BOARD).o
+
+SOBJS := init.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+clean:
+ rm -f $(OBJS) $(SOBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/atum8548/atum8548.c b/board/atum8548/atum8548.c
new file mode 100644
index 0000000..4791071
--- /dev/null
+++ b/board/atum8548/atum8548.c
@@ -0,0 +1,431 @@
+/*
+ * Copyright 2007
+ * Robert Lazarski, Instituto Atlantico, robertlazarski at gmail.com
+ *
+ * Copyright 2007 Freescale Semiconductor, Inc.
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <command.h>
+#include <pci.h>
+#include <asm/processor.h>
+#include <asm/immap_85xx.h>
+#include <asm/immap_fsl_pci.h>
+#include <asm/io.h>
+#include <spd.h>
+#include <miiphy.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+extern void ddr_enable_ecc(unsigned int dram_size);
+#endif
+
+extern long int spd_sdram(void);
+long int fixed_sdram(void);
+
+int board_early_init_f (void)
+{
+ return 0;
+}
+
+int checkboard (void)
+{
+ volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
+ volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
+ volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR);
+
+ if ((uint)&gur->porpllsr != 0xe00e0000) {
+ printf("immap size error %x\n",&gur->porpllsr);
+ }
+ printf ("Board: ATUM8548\n");
+
+ lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */
+ lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */
+ ecm->eedr = 0xffffffff; /* Clear ecm errors */
+ ecm->eeer = 0xffffffff; /* Enable ecm errors */
+
+ return 0;
+}
+
+#if !defined(CONFIG_SPD_EEPROM)
+/*************************************************************************
+ * fixed sdram init -- doesn't use serial presence detect.
+ ************************************************************************/
+long int fixed_sdram (void)
+{
+ volatile ccsr_ddr_t *ddr= (void *)(CFG_MPC85xx_DDR_ADDR);
+
+ ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
+ ddr->cs0_config = CFG_DDR_CS0_CONFIG;
+ ddr->timing_cfg_0 = CFG_DDR_TIMING_0;
+ ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
+ ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
+ ddr->sdram_mode = CFG_DDR_MODE;
+ ddr->sdram_interval = CFG_DDR_INTERVAL;
+ #if defined (CONFIG_DDR_ECC)
+ ddr->err_disable = 0x0000000D;
+ ddr->err_sbe = 0x00ff0000;
+ #endif
+ asm("sync;isync;msync");
+ udelay(500);
+ #if defined (CONFIG_DDR_ECC)
+ /* Enable ECC checking */
+ ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000);
+ #else
+ ddr->sdram_cfg = CFG_DDR_CONTROL;
+ #endif
+ asm("sync; isync; msync");
+ udelay(500);
+ return CFG_SDRAM_SIZE * 1024 * 1024;
+}
+#endif /* !defined(CONFIG_SPD_EEPROM) */
+
+long int
+initdram(int board_type)
+{
+ long dram_size = 0;
+
+ puts("Initializing\n");
+
+#if defined(DISABLE_ICACHE)
+ /*
+ * Certain memory chips are known to have burst mode
+ * issues on this board, so during testing we
+ * allow the disabling of the instruction cache until
+ * a future revision of the board resolves these issues.
+ */
+ icache_disable();
+ puts("icache_disabled\n");
+#endif
+
+#if defined(CONFIG_SPD_EEPROM)
+ puts("spd_sdram\n");
+ dram_size = spd_sdram ();
+#else
+ puts("fixed_sdram\n");
+ dram_size = fixed_sdram ();
+#endif
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+ /*
+ * Initialize and enable DDR ECC.
+ */
+ ddr_enable_ecc(dram_size);
+#endif
+ puts(" DDR: ");
+ return dram_size;
+}
+
+#if defined(CFG_DRAM_TEST)
+int
+testdram(void)
+{
+ uint *pstart = (uint *) CFG_MEMTEST_START;
+ uint *pend = (uint *) CFG_MEMTEST_END;
+ uint *p;
+
+ printf("Testing DRAM from 0x%08x to 0x%08x\n",
+ CFG_MEMTEST_START,
+ CFG_MEMTEST_END);
+
+ printf("DRAM test phase 1:\n");
+ for (p = pstart; p < pend; p++) {
+ printf ("DRAM test attempting to write 0xaaaaaaaa at: %08x\n", (uint) p);
+ *p = 0xaaaaaaaa;
+ }
+
+ for (p = pstart; p < pend; p++) {
+ if (*p != 0xaaaaaaaa) {
+ printf ("DRAM test fails at: %08x\n", (uint) p);
+ return 1;
+ }
+ }
+
+ printf("DRAM test phase 2:\n");
+ for (p = pstart; p < pend; p++)
+ *p = 0x55555555;
+
+ for (p = pstart; p < pend; p++) {
+ if (*p != 0x55555555) {
+ printf ("DRAM test fails at: %08x\n", (uint) p);
+ return 1;
+ }
+ }
+
+ printf("DRAM test passed.\n");
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_PCI1
+static struct pci_controller pci1_hose;
+#endif
+
+#ifdef CONFIG_PCI2
+static struct pci_controller pci2_hose;
+#endif
+
+#ifdef CONFIG_PCIE1
+static struct pci_controller pcie1_hose;
+#endif
+
+int first_free_busno=0;
+
+void
+pci_init_board(void)
+{
+ volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
+
+ uint devdisr = gur->devdisr;
+ uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
+ uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
+
+ debug (" pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
+ devdisr, io_sel, host_agent);
+
+ /* explicitly set 'Clock out select register' to echo SYSCLK
input to our CPLD */
+ gur->clkocr |= MPC85xx_ATUM_CLKOCR;
+
+ if (io_sel & 1) {
+ if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
+ printf (" eTSEC1 is in sgmii mode.\n");
+ if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
+ printf (" eTSEC2 is in sgmii mode.\n");
+ if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
+ printf (" eTSEC3 is in sgmii mode.\n");
+ if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS))
+ printf (" eTSEC4 is in sgmii mode.\n");
+ }
+
+#ifdef CONFIG_PCIE1
+ {
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE1_ADDR;
+ extern void fsl_pci_init(struct pci_controller *hose);
+ struct pci_controller *hose = &pcie1_hose;
+ int pcie_ep = (host_agent == 5);
+ int pcie_configured = io_sel & 6;
+
+ if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
+ printf ("\n PCIE1 connected to slot as %s (base address %x)",
+ pcie_ep ? "End Point" : "Root Complex",
+ (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");
+
+ /* inbound */
+ pci_set_region(hose->regions + 0,
+ CFG_PCI_MEMORY_BUS,
+ CFG_PCI_MEMORY_PHYS,
+ CFG_PCI_MEMORY_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+ /* outbound memory */
+ pci_set_region(hose->regions + 1,
+ CFG_PCIE1_MEM_BASE,
+ CFG_PCIE1_MEM_PHYS,
+ CFG_PCIE1_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region(hose->regions + 2,
+ CFG_PCIE1_IO_BASE,
+ CFG_PCIE1_IO_PHYS,
+ CFG_PCIE1_IO_SIZE,
+ PCI_REGION_IO);
+
+ hose->region_count = 3;
+#ifdef CFG_PCIE1_MEM_BASE2
+ /* outbound memory */
+ pci_set_region(hose->regions + 3,
+ CFG_PCIE1_MEM_BASE2,
+ CFG_PCIE1_MEM_PHYS2,
+ CFG_PCIE1_MEM_SIZE2,
+ PCI_REGION_MEM);
+ hose->region_count++;
+#endif
+ hose->first_busno=first_free_busno;
+
+ pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
+
+ fsl_pci_init(hose);
+
+ first_free_busno=hose->last_busno+1;
+ printf(" PCIE1 on bus %02x - %02x\n",
+ hose->first_busno,hose->last_busno);
+
+ } else {
+ printf (" PCIE1: disabled\n");
+ }
+
+ }
+#else
+ gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
+#endif
+
+#ifdef CONFIG_PCI1
+{
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
+ extern void fsl_pci_init(struct pci_controller *hose);
+ struct pci_controller *hose = &pci1_hose;
+
+ uint pci_agent = (host_agent == 6);
+ uint pci_speed = 33333000; /*get_clock_freq (); PCI PSPEED in [4:5] */
+ 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] */
+
+ if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
+ printf ("\n PCI1: %d bit, %s MHz, %s, %s, %s (base address %x)\n",
+ (pci_32) ? 32 : 64,
+ (pci_speed == 33333000) ? "33" :
+ (pci_speed == 66666000) ? "66" : "unknown",
+ pci_clk_sel ? "sync" : "async",
+ pci_agent ? "agent" : "host",
+ pci_arb ? "arbiter" : "external-arbiter",
+ (uint)pci
+ );
+
+ /* inbound */
+ pci_set_region(hose->regions + 0,
+ CFG_PCI_MEMORY_BUS,
+ CFG_PCI_MEMORY_PHYS,
+ CFG_PCI_MEMORY_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+ /* outbound memory */
+ pci_set_region(hose->regions + 1,
+ CFG_PCI1_MEM_BASE,
+ CFG_PCI1_MEM_PHYS,
+ CFG_PCI1_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region(hose->regions + 2,
+ CFG_PCI1_IO_BASE,
+ CFG_PCI1_IO_PHYS,
+ CFG_PCI1_IO_SIZE,
+ PCI_REGION_IO);
+ hose->region_count = 3;
+ hose->first_busno=first_free_busno;
+ pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
+
+ fsl_pci_init(hose);
+ first_free_busno=hose->last_busno+1;
+ printf ("PCI1 on bus %02x - %02x\n",
+ hose->first_busno,hose->last_busno);
+ } else {
+ printf (" PCI1: disabled\n");
+ }
+}
+#else
+ gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
+#endif
+
+#ifdef CONFIG_PCI2
+{
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI2_ADDR;
+ extern void fsl_pci_init(struct pci_controller *hose);
+ struct pci_controller *hose = &pci2_hose;
+
+ if (!(devdisr & MPC85xx_DEVDISR_PCI2)) {
+ pci_set_region(hose->regions + 0,
+ CFG_PCI_MEMORY_BUS,
+ CFG_PCI_MEMORY_PHYS,
+ CFG_PCI_MEMORY_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+ pci_set_region(hose->regions + 1,
+ CFG_PCI2_MEM_BASE,
+ CFG_PCI2_MEM_PHYS,
+ CFG_PCI2_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ pci_set_region(hose->regions + 2,
+ CFG_PCI2_IO_BASE,
+ CFG_PCI2_IO_PHYS,
+ CFG_PCI2_IO_SIZE,
+ PCI_REGION_IO);
+ hose->region_count = 3;
+ hose->first_busno=first_free_busno;
+ pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
+
+ fsl_pci_init(hose);
+ first_free_busno=hose->last_busno+1;
+ printf ("PCI2 on bus %02x - %02x\n",
+ hose->first_busno,hose->last_busno);
+ } else {
+ printf (" PCI2: disabled\n");
+ }
+}
+#else
+ gur->devdisr |= MPC85xx_DEVDISR_PCI2;
+#endif
+}
+
+
+int last_stage_init(void)
+{
+ int ic = icache_status ();
+ printf ("icache_status: %d\n", ic);
+ return 0;
+}
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+
+void
+ft_board_setup(void *blob, bd_t *bd)
+{
+ int node, tmp[2];
+ const char *path;
+
+ ft_cpu_setup(blob, bd);
+
+ node = fdt_path_offset(blob, "/aliases");
+ tmp[0] = 0;
+ if (node >= 0) {
+#ifdef CONFIG_PCI1
+ path = fdt_getprop(blob, node, "pci0", NULL);
+ if (path) {
+ tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
+ do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
+ }
+#endif
+#ifdef CONFIG_PCI2
+ path = fdt_getprop(blob, node, "pci1", NULL);
+ if (path) {
+ tmp[1] = pci2_hose.last_busno - pci2_hose.first_busno;
+ do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
+ }
+#endif
+#ifdef CONFIG_PCIE1
+ path = fdt_getprop(blob, node, "pci2", NULL);
+ if (path) {
+ tmp[1] = pcie1_hose.last_busno - pcie1_hose.first_busno;
+ do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
+ }
+#endif
+ }
+}
+#endif
diff --git a/board/atum8548/config.mk b/board/atum8548/config.mk
new file mode 100644
index 0000000..9065817
--- /dev/null
+++ b/board/atum8548/config.mk
@@ -0,0 +1,33 @@
+#
+# Copyright 2004, 2007 Freescale Semiconductor.
+#
+# 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
+#
+
+#
+# atum8548 board
+# TEXT_BASE = 0xfff80000
+# TEXT_BASE = 0xfffff000
+ifndef TEXT_BASE
+TEXT_BASE = 0xfff80000
+endif
+
+PLATFORM_CPPFLAGS += -DCONFIG_E500=1
+PLATFORM_CPPFLAGS += -DCONFIG_MPC85xx=1
+PLATFORM_CPPFLAGS += -DCONFIG_MPC8548=1
diff --git a/board/atum8548/init.S b/board/atum8548/init.S
new file mode 100644
index 0000000..2f016ab
--- /dev/null
+++ b/board/atum8548/init.S
@@ -0,0 +1,242 @@
+/*
+ * Copyright 2007
+ * Robert Lazarski, Instituto Atlantico, robertlazarski at gmail.com
+ * Copyright 2004, 2007 Freescale Semiconductor.
+ * Copyright 2002,2003, Motorola Inc.
+ *
+ * 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
+ */
+
+#include <ppc_asm.tmpl>
+#include <ppc_defs.h>
+#include <asm/cache.h>
+#include <asm/mmu.h>
+#include <config.h>
+#include <mpc85xx.h>
+
+#define LAWAR_TRGT_PCI1 0x00000000
+#define LAWAR_TRGT_PCI2 0x00100000
+#define LAWAR_TRGT_PCIE 0x00200000
+#define LAWAR_TRGT_DDR 0x00f00000
+
+/*
+ * TLB0 and TLB1 Entries
+ *
+ * Out of reset, TLB1's Entry 0 maps the highest 4K for CCSRBAR.
+ * However, CCSRBAR is then relocated to CFG_CCSRBAR right after
+ * these TLB entries are established.
+ *
+ * The TLB entries for DDR are dynamically setup in spd_sdram()
+ * and use TLB1 Entries 8 through 15 as needed according to the
+ * size of DDR memory.
+ *
+ * MAS0: tlbsel, esel, nv
+ * MAS1: valid, iprot, tid, ts, tsize
+ * MAS2: epn, sharen, x0, x1, w, i, m, g, e
+ * MAS3: rpn, u0-u3, ux, sx, uw, sw, ur, sr
+ */
+
+#define entry_start \
+ mflr r1 ; \
+ bl 0f ;
+
+#define entry_end \
+0: mflr r0 ; \
+ mtlr r1 ; \
+ blr ;
+
+
+ .section .bootpg, "ax"
+ .globl tlb1_entry
+tlb1_entry:
+ entry_start
+
+ /*
+ * Number of TLB0 and TLB1 entries in the following table
+ */
+ .long (2f-1f)/16
+
+1:
+#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
+ /*
+ * TLB0 4K Non-cacheable, guarded
+ * 0xff700000 4K Initial CCSRBAR mapping
+ *
+ * This ends up at a TLB0 Index==0 entry, and must not collide
+ * with other TLB0 Entries.
+ */
+ .long TLB1_MAS0(0, 0, 0)
+ .long TLB1_MAS1(1, 0, 0, 0, 0)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR_DEFAULT), 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR_DEFAULT), 0,0,0,0,0,1,0,1,0,1)
+#else
+#error("Update the number of table entries in tlb1_entry")
+#endif
+
+ /*
+ * TLB0 16K Cacheable, guarded
+ * Temporary Global data for initialization
+ *
+ * Use four 4K TLB0 entries. These entries must be cacheable
+ * as they provide the bootstrap memory before the memory
+ * controler and real memory have been configured.
+ *
+ * These entries end up at TLB0 Indicies 0x10, 0x14, 0x18 and 0x1c,
+ * and must not collide with other TLB0 entries.
+ */
+ .long TLB1_MAS0(0, 0, 0)
+ .long TLB1_MAS1(1, 0, 0, 0, 0)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR),
+ 0,0,0,0,0,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR),
+ 0,0,0,0,0,1,0,1,0,1)
+
+ .long TLB1_MAS0(0, 0, 0)
+ .long TLB1_MAS1(1, 0, 0, 0, 0)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 4 * 1024),
+ 0,0,0,0,0,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 4 * 1024),
+ 0,0,0,0,0,1,0,1,0,1)
+
+ .long TLB1_MAS0(0, 0, 0)
+ .long TLB1_MAS1(1, 0, 0, 0, 0)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 8 * 1024),
+ 0,0,0,0,0,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 8 * 1024),
+ 0,0,0,0,0,1,0,1,0,1)
+
+ .long TLB1_MAS0(0, 0, 0)
+ .long TLB1_MAS1(1, 0, 0, 0, 0)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 12 * 1024),
+ 0,0,0,0,0,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 12 * 1024),
+ 0,0,0,0,0,1,0,1,0,1)
+
+ /* TLB 1 Initializations */
+ /*
+ * TLB 0, 1: 128M Non-cacheable, guarded
+ * 0xf8000000 128M FLASH
+ * Out of reset this entry is only 4K.
+ */
+ .long TLB1_MAS0(1, 0, 0)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_FLASH_BASE + 0x4000000),
+ 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_FLASH_BASE + 0x4000000),
+ 0,0,0,0,0,1,0,1,0,1)
+
+ .long TLB1_MAS0(1, 1, 0)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_FLASH_BASE), 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_FLASH_BASE), 0,0,0,0,0,1,0,1,0,1)
+
+ /*
+ * TLB 2: 1G Non-cacheable, guarded
+ * 0x80000000 1G PCI1/PCIE 8,9,a,b
+ */
+ .long TLB1_MAS0(1, 2, 0)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_1G)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_PCI_PHYS), 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_PCI_PHYS), 0,0,0,0,0,1,0,1,0,1)
+
+ /*
+ * TLB 3, 4: 512M Non-cacheable, guarded
+ * 0xc0000000 1G PCI2
+ */
+ .long TLB1_MAS0(1, 3, 0)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_PCI2_MEM_PHYS),
+ 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_PCI2_MEM_PHYS), 0,0,0,0,0,1,0,1,0,1)
+ .long TLB1_MAS0(1, 4, 0)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_PCI2_MEM_PHYS + 0x10000000),
+ 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_PCI2_MEM_PHYS + 0x10000000),
+ 0,0,0,0,0,1,0,1,0,1)
+
+ /*
+ * TLB 5: 64M Non-cacheable, guarded
+ * 0xe000_0000 1M CCSRBAR
+ * 0xe200_0000 1M PCI1 IO
+ * 0xe210_0000 1M PCI2 IO
+ * 0xe300_0000 1M PCIe IO
+ */
+ .long TLB1_MAS0(1, 5, 0)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
+ .long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR), 0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR), 0,0,0,0,0,1,0,1,0,1)
+
+2:
+ entry_end
+
+/*
+ * LAW(Local Access Window) configuration:
+ *
+ * 0x0000_0000 0x7fff_ffff DDR 2G
+ * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
+ * 0xa000_0000 0xbfff_ffff PCIe MEM 512M
+ * 0xc000_0000 0xdfff_ffff PCI2 MEM 512M
+ * 0xe000_0000 0xe000_ffff CCSR 1M
+ * 0xe200_0000 0xe10f_ffff PCI1 IO 1M
+ * 0xe280_0000 0xe20f_ffff PCI2 IO 1M
+ * 0xe300_0000 0xe30f_ffff PCIe IO 1M
+ * 0xf800_0000 0xffff_ffff FLASH (boot bank) 128M
+ *
+ * Notes:
+ * CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
+ * If flash is 8M at default position (last 8M), no LAW needed.
+ *
+ * LAW 0 is reserved for boot mapping
+ */
+
+ .section .bootpg, "ax"
+ .globl law_entry
+law_entry:
+ entry_start
+
+ .long (4f-3f)/8
+3:
+ .long 0
+ .long (LAWAR_TRGT_DDR | (LAWAR_SIZE & LAWAR_SIZE_1G)) & ~LAWAR_EN
+
+ .long (CFG_PCI1_MEM_PHYS>>12) & 0xfffff
+ .long LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M)
+
+ .long (CFG_PCI1_IO_PHYS>>12) & 0xfffff
+ .long LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_1M)
+
+ .long (CFG_PCI2_MEM_PHYS>>12) & 0xfffff
+ .long LAWAR_EN | LAWAR_TRGT_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_512M)
+
+ .long (CFG_PCI2_IO_PHYS>>12) & 0xfffff
+ .long LAWAR_EN | LAWAR_TRGT_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_1M)
+
+ .long (CFG_PCIE1_MEM_PHYS>>12) & 0xfffff
+ .long LAWAR_EN | LAWAR_TRGT_PCIE | (LAWAR_SIZE & LAWAR_SIZE_512M)
+
+ .long (CFG_PCIE1_IO_PHYS>>12) & 0xfffff
+ .long LAWAR_EN | LAWAR_TRGT_PCIE | (LAWAR_SIZE & LAWAR_SIZE_1M)
+
+ /* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
+ .long (CFG_LBC_CACHE_BASE>>12) & 0xfffff
+ .long LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M)
+
+4:
+ entry_end
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