ppc4xx: Add T3COPR board support (PPC460GT based)
This patch adds support for the T3CORP board, based on the
AppliedMicro (APM) PPC460GT.
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/board/t3corp/Makefile b/board/t3corp/Makefile
new file mode 100644
index 0000000..e2bb546
--- /dev/null
+++ b/board/t3corp/Makefile
@@ -0,0 +1,53 @@
+#
+# (C) Copyright 2010
+# Stefan Roese, DENX Software Engineering, sr@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
+
+LIB = $(obj)lib$(BOARD).a
+
+COBJS-y := $(BOARD).o
+COBJS-$(CONFIG_CMD_CHIP_CONFIG) += chip_config.o
+SOBJS := init.o
+
+COBJS := $(COBJS-y)
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/t3corp/chip_config.c b/board/t3corp/chip_config.c
new file mode 100644
index 0000000..c00bf16
--- /dev/null
+++ b/board/t3corp/chip_config.c
@@ -0,0 +1,59 @@
+/*
+ * (C) Copyright 2010
+ * Stefan Roese, DENX Software Engineering, sr@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 <common.h>
+#include <asm/ppc4xx_config.h>
+
+struct ppc4xx_config ppc4xx_config_val[] = {
+ {
+ "600", "CPU: 600 PLB: 200 OPB: 100 EBC: 100",
+ {
+ 0x86, 0x80, 0xce, 0x1f, 0x79, 0x80, 0x00, 0xa0,
+ 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00
+ }
+ },
+ {
+ "800", "CPU: 800 PLB: 200 OPB: 100 EBC: 100",
+ {
+ 0x86, 0x80, 0xba, 0x14, 0x99, 0x80, 0x00, 0xa0,
+ 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00
+ }
+ },
+ {
+ "1000", "CPU:1000 PLB: 200 OPB: 100 EBC: 100",
+ {
+ 0x86, 0x82, 0x96, 0x19, 0xb9, 0x80, 0x00, 0xa0,
+ 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00
+ }
+ },
+ {
+ "1066", "CPU:1066 PLB: 266 OPB: 88 EBC: 88",
+ {
+ 0x86, 0x80, 0xb3, 0x01, 0x9d, 0x80, 0x00, 0xa0,
+ 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00
+ }
+ },
+};
+
+int ppc4xx_config_count = ARRAY_SIZE(ppc4xx_config_val);
diff --git a/board/t3corp/config.mk b/board/t3corp/config.mk
new file mode 100644
index 0000000..616aa19
--- /dev/null
+++ b/board/t3corp/config.mk
@@ -0,0 +1,39 @@
+#
+# (C) Copyright 2010
+# Stefan Roese, DENX Software Engineering, sr@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
+#
+#
+
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
+
+ifndef TEXT_BASE
+TEXT_BASE = 0xFFFA0000
+endif
+
+PLATFORM_CPPFLAGS += -DCONFIG_440=1
+
+ifeq ($(debug),1)
+PLATFORM_CPPFLAGS += -DDEBUG
+endif
+
+ifeq ($(dbcr),1)
+PLATFORM_CPPFLAGS += -DCONFIG_SYS_INIT_DBCR=0x8cff0000
+endif
diff --git a/board/t3corp/init.S b/board/t3corp/init.S
new file mode 100644
index 0000000..4a4217f
--- /dev/null
+++ b/board/t3corp/init.S
@@ -0,0 +1,99 @@
+/*
+ * (C) Copyright 2010
+ * Stefan Roese, DENX Software Engineering, sr@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 <ppc_asm.tmpl>
+#include <config.h>
+#include <asm/mmu.h>
+
+/*
+ * TLB TABLE
+ *
+ * This table is used by the cpu boot code to setup the initial tlb
+ * entries. Rather than make broad assumptions in the cpu source tree,
+ * this table lets each board set things up however they like.
+ *
+ * Pointer to the table is returned in r1
+ *
+ */
+ .section .bootpg,"ax"
+ .globl tlbtab
+
+tlbtab:
+ tlbtab_start
+
+ /*
+ * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to
+ * use the speed up boot process. It is patched after relocation to
+ * enable SA_I
+ */
+ tlbentry(CONFIG_SYS_BOOT_BASE_ADDR, SZ_16M,
+ CONFIG_SYS_BOOT_BASE_ADDR, 4, AC_RWX | SA_G)
+
+ /*
+ * TLB entries for SDRAM are not needed on this platform.
+ * They are dynamically generated in the DDR(2) detection
+ * routine.
+ */
+
+#ifdef CONFIG_SYS_INIT_RAM_DCACHE
+ /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
+ tlbentry(CONFIG_SYS_INIT_RAM_ADDR, SZ_4K, CONFIG_SYS_INIT_RAM_ADDR, 0,
+ AC_RWX | SA_G)
+#endif
+
+ tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 0xc,
+ AC_RW | SA_IG)
+ tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x20000000, 0xc,
+ AC_RW | SA_IG)
+ tlbentry(CONFIG_SYS_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xd,
+ AC_RW | SA_IG)
+
+ tlbentry(CONFIG_SYS_PCIE0_CFGBASE, SZ_16M, 0x00000000, 0xd,
+ AC_RW | SA_IG)
+ tlbentry(CONFIG_SYS_PCIE1_CFGBASE, SZ_16M, 0x20000000, 0xd,
+ AC_RW | SA_IG)
+ tlbentry(CONFIG_SYS_PCIE0_XCFGBASE, SZ_1K, 0x10000000, 0xd,
+ AC_RW | SA_IG)
+ tlbentry(CONFIG_SYS_PCIE1_XCFGBASE, SZ_1K, 0x30000000, 0xd,
+ AC_RW | SA_IG)
+
+ /* PCIe UTL register */
+ tlbentry(CONFIG_SYS_PCIE_BASE, SZ_16K, 0x08010000, 0xc, AC_RW | SA_IG)
+
+ /* TLB-entry for FPGA(s) */
+ tlbentry(CONFIG_SYS_FPGA1_BASE, SZ_1M, CONFIG_SYS_FPGA1_BASE, 4,
+ AC_RW | SA_IG)
+ tlbentry(CONFIG_SYS_FPGA2_BASE, SZ_1M, CONFIG_SYS_FPGA2_BASE, 4,
+ AC_RW | SA_IG)
+ tlbentry(CONFIG_SYS_FPGA3_BASE, SZ_1M, CONFIG_SYS_FPGA3_BASE, 4,
+ AC_RW | SA_IG)
+
+ /* TLB-entry for OCM */
+ tlbentry(CONFIG_SYS_OCM_BASE, SZ_1M, 0x00000000, 4,
+ AC_RWX | SA_I)
+
+ /* TLB-entry for Local Configuration registers => peripherals */
+ tlbentry(CONFIG_SYS_LOCAL_CONF_REGS, SZ_16M,
+ CONFIG_SYS_LOCAL_CONF_REGS, 4, AC_RWX | SA_IG)
+
+ tlbtab_end
diff --git a/board/t3corp/t3corp.c b/board/t3corp/t3corp.c
new file mode 100644
index 0000000..8ffa321
--- /dev/null
+++ b/board/t3corp/t3corp.c
@@ -0,0 +1,193 @@
+/*
+ * (C) Copyright 2010
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * 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 <ppc440.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <i2c.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/mmu.h>
+#include <asm/4xx_pcie.h>
+#include <asm/gpio.h>
+
+int board_early_init_f(void)
+{
+ /*
+ * Setup the interrupt controller polarities, triggers, etc.
+ */
+ mtdcr(UIC0SR, 0xffffffff); /* clear all */
+ mtdcr(UIC0ER, 0x00000000); /* disable all */
+ mtdcr(UIC0CR, 0x00000005); /* ATI & UIC1 crit are critical */
+ mtdcr(UIC0PR, 0xffffffff); /* per ref-board manual */
+ mtdcr(UIC0TR, 0x00000000); /* per ref-board manual */
+ mtdcr(UIC0VR, 0x00000000); /* int31 highest, base=0x000 */
+ mtdcr(UIC0SR, 0xffffffff); /* clear all */
+
+ mtdcr(UIC1SR, 0xffffffff); /* clear all */
+ mtdcr(UIC1ER, 0x00000000); /* disable all */
+ mtdcr(UIC1CR, 0x00000000); /* all non-critical */
+ mtdcr(UIC1PR, 0xffffffff); /* per ref-board manual */
+ mtdcr(UIC1TR, 0x00000000); /* per ref-board manual */
+ mtdcr(UIC1VR, 0x00000000); /* int31 highest, base=0x000 */
+ mtdcr(UIC1SR, 0xffffffff); /* clear all */
+
+ mtdcr(UIC2SR, 0xffffffff); /* clear all */
+ mtdcr(UIC2ER, 0x00000000); /* disable all */
+ mtdcr(UIC2CR, 0x00000000); /* all non-critical */
+ mtdcr(UIC2PR, 0xffffffff); /* per ref-board manual */
+ mtdcr(UIC2TR, 0x00000000); /* per ref-board manual */
+ mtdcr(UIC2VR, 0x00000000); /* int31 highest, base=0x000 */
+ mtdcr(UIC2SR, 0xffffffff); /* clear all */
+
+ mtdcr(UIC3SR, 0xffffffff); /* clear all */
+ mtdcr(UIC3ER, 0x00000000); /* disable all */
+ mtdcr(UIC3CR, 0x00000000); /* all non-critical */
+ mtdcr(UIC3PR, 0xffffffff); /* per ref-board manual */
+ mtdcr(UIC3TR, 0x00000000); /* per ref-board manual */
+ mtdcr(UIC3VR, 0x00000000); /* int31 highest, base=0x000 */
+ mtdcr(UIC3SR, 0xffffffff); /* clear all */
+
+ /*
+ * Configure PFC (Pin Function Control) registers
+ * enable GPIO 49-63
+ * UART0: 4 pins
+ */
+ mtsdr(SDR0_PFC0, 0x00007fff);
+ mtsdr(SDR0_PFC1, 0x00040000);
+
+ /* Enable PCI host functionality in SDR0_PCI0 */
+ mtsdr(SDR0_PCI0, 0xe0000000);
+
+ mtsdr(SDR0_SRST1, 0); /* Pull AHB out of reset default=1 */
+
+ /* Setup PLB4-AHB bridge based on the system address map */
+ mtdcr(AHB_TOP, 0x8000004B);
+ mtdcr(AHB_BOT, 0x8000004B);
+
+ return 0;
+}
+
+int checkboard(void)
+{
+ char *s = getenv("serial#");
+
+ printf("Board: T3CORP");
+
+ if (s != NULL) {
+ puts(", serial# ");
+ puts(s);
+ }
+ putc('\n');
+
+ return 0;
+}
+
+int board_early_init_r(void)
+{
+ /*
+ * T3CORP has 64MBytes of NOR flash (Spansion 29GL512), but the
+ * boot EBC mapping only supports a maximum of 16MBytes
+ * (4.ff00.0000 - 4.ffff.ffff).
+ * To solve this problem, the flash has to get remapped to another
+ * EBC address which accepts bigger regions:
+ *
+ * 0xfn00.0000 -> 4.cn00.0000
+ */
+
+ /* Remap the NOR flash to 0xcn00.0000 ... 0xcfff.ffff */
+ mtebc(PB0CR, CONFIG_SYS_FLASH_BASE_PHYS_L | EBC_BXCR_BS_64MB |
+ EBC_BXCR_BU_RW | EBC_BXCR_BW_16BIT);
+
+ /* Remove TLB entry of boot EBC mapping */
+ remove_tlb(CONFIG_SYS_BOOT_BASE_ADDR, 16 << 20);
+
+ /* Add TLB entry for 0xfn00.0000 -> 0x4.cn00.0000 */
+ program_tlb(CONFIG_SYS_FLASH_BASE_PHYS, CONFIG_SYS_FLASH_BASE,
+ CONFIG_SYS_FLASH_SIZE, TLB_WORD2_I_ENABLE);
+
+ /*
+ * Now accessing of the whole 64Mbytes of NOR flash at virtual address
+ * 0xfc00.0000 is possible
+ */
+
+ /*
+ * Clear potential errors resulting from auto-calibration.
+ * If not done, then we could get an interrupt later on when
+ * exceptions are enabled.
+ */
+ set_mcsr(get_mcsr());
+
+ return 0;
+}
+
+int misc_init_r(void)
+{
+ u32 sdr0_srst1 = 0;
+ u32 eth_cfg;
+
+ /*
+ * Set EMAC mode/configuration (GMII, SGMII, RGMII...).
+ * This is board specific, so let's do it here.
+ */
+ mfsdr(SDR0_ETH_CFG, eth_cfg);
+ /* disable SGMII mode */
+ eth_cfg &= ~(SDR0_ETH_CFG_SGMII2_ENABLE |
+ SDR0_ETH_CFG_SGMII1_ENABLE |
+ SDR0_ETH_CFG_SGMII0_ENABLE);
+ /* Set the for 2 RGMII mode */
+ /* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */
+ eth_cfg &= ~SDR0_ETH_CFG_GMC0_BRIDGE_SEL;
+ eth_cfg &= ~SDR0_ETH_CFG_GMC1_BRIDGE_SEL;
+ mtsdr(SDR0_ETH_CFG, eth_cfg);
+
+ /*
+ * The AHB Bridge core is held in reset after power-on or reset
+ * so enable it now
+ */
+ mfsdr(SDR0_SRST1, sdr0_srst1);
+ sdr0_srst1 &= ~SDR0_SRST1_AHB;
+ mtsdr(SDR0_SRST1, sdr0_srst1);
+
+ return 0;
+}
+
+int board_pcie_last(void)
+{
+ /*
+ * Only PCIe0 for now, PCIe1 hangs on this board
+ */
+ return 0;
+}
+
+/*
+ * Board specific WRDTR and CLKTR values used by the auto-
+ * calibration code (4xx_ibm_ddr2_autocalib.c).
+ */
+static struct sdram_timing board_scan_options[] = {
+ {1, 2},
+ {-1, -1}
+};
+
+struct sdram_timing *ddr_scan_option(struct sdram_timing *default_val)
+{
+ return board_scan_options;
+}