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-rw-r--r--board/freescale/p2020come/Makefile46
-rw-r--r--board/freescale/p2020come/ddr.c45
-rw-r--r--board/freescale/p2020come/law.c39
-rw-r--r--board/freescale/p2020come/p2020come.c287
-rw-r--r--board/freescale/p2020come/tlb.c99
5 files changed, 516 insertions, 0 deletions
diff --git a/board/freescale/p2020come/Makefile b/board/freescale/p2020come/Makefile
new file mode 100644
index 0000000..ba87904
--- /dev/null
+++ b/board/freescale/p2020come/Makefile
@@ -0,0 +1,46 @@
+#
+# Copyright 2009 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 $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).o
+
+COBJS-y += $(BOARD).o
+COBJS-y += ddr.o
+COBJS-y += law.o
+COBJS-y += tlb.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS-y))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/freescale/p2020come/ddr.c b/board/freescale/p2020come/ddr.c
new file mode 100644
index 0000000..85f84c6
--- /dev/null
+++ b/board/freescale/p2020come/ddr.c
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2009, 2011 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 <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_ddr_dimm_params.h>
+
+void fsl_ddr_board_options(memctl_options_t *popts,
+ dimm_params_t *pdimm,
+ unsigned int ctrl_num)
+{
+ if (ctrl_num) {
+ printf("Wrong parameter for controller number %d", ctrl_num);
+ return;
+ }
+
+ if (!pdimm->n_ranks)
+ return;
+
+ /*
+ * Set DDR_SDRAM_CLK_CNTL = 0x02800000
+ *
+ * Clock is launched 5/8 applied cycle after address/command
+ */
+ popts->clk_adjust = 5;
+}
diff --git a/board/freescale/p2020come/law.c b/board/freescale/p2020come/law.c
new file mode 100644
index 0000000..20ba36f
--- /dev/null
+++ b/board/freescale/p2020come/law.c
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2009 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 <asm/fsl_law.h>
+#include <asm/mmu.h>
+
+/*
+ * Create a dummy LAW entry for the DDR SDRAM which will be replaced when
+ * the DDR SPD setup code runs.
+ *
+ * This table would be empty, except that it is used before the BSS section is
+ * initialized, and therefore must have at least one entry to push it into
+ * the DATA section.
+ */
+struct law_entry law_table[] = {
+ SET_LAW(CONFIG_SYS_SDRAM_BASE, LAW_SIZE_4K, LAW_TRGT_IF_DDR),
+};
+
+int num_law_entries = ARRAY_SIZE(law_table);
diff --git a/board/freescale/p2020come/p2020come.c b/board/freescale/p2020come/p2020come.c
new file mode 100644
index 0000000..8cf7bee
--- /dev/null
+++ b/board/freescale/p2020come/p2020come.c
@@ -0,0 +1,287 @@
+/*
+ * Copyright 2009 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 <hwconfig.h>
+#include <command.h>
+#include <asm/processor.h>
+#include <asm/mmu.h>
+#include <asm/cache.h>
+#include <asm/immap_85xx.h>
+#include <asm/mpc85xx_gpio.h>
+#include <asm/fsl_serdes.h>
+#include <asm/io.h>
+#include <miiphy.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <fsl_mdio.h>
+#include <tsec.h>
+#include <vsc7385.h>
+#include <netdev.h>
+#include <mmc.h>
+#include <malloc.h>
+#include <i2c.h>
+
+#if defined(CONFIG_PCI)
+#include <asm/fsl_pci.h>
+#include <pci.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_PCI)
+void pci_init_board(void)
+{
+ fsl_pcie_init_board(0);
+}
+
+void ft_pci_board_setup(void *blob)
+{
+ FT_FSL_PCI_SETUP;
+}
+#endif
+
+#define BOARD_PERI_RST_SET (VSC7385_RST_SET | SLIC_RST_SET | \
+ SGMII_PHY_RST_SET | PCIE_RST_SET | \
+ RGMII_PHY_RST_SET)
+
+#define SYSCLK_MASK 0x00200000
+#define BOARDREV_MASK 0x10100000
+#define BOARDREV_B 0x10100000
+#define BOARDREV_C 0x00100000
+#define BOARDREV_D 0x00000000
+
+#define SYSCLK_66 66666666
+#define SYSCLK_50 50000000
+#define SYSCLK_100 100000000
+
+unsigned long get_board_sys_clk(ulong dummy)
+{
+ ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+ u32 ddr_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO;
+
+ ddr_ratio >>= MPC85xx_PORPLLSR_DDR_RATIO_SHIFT;
+ switch (ddr_ratio) {
+ case 0x0C:
+ return SYSCLK_66;
+ case 0x0A:
+ case 0x08:
+ return SYSCLK_100;
+ default:
+ puts("ERROR: unknown DDR ratio\n");
+ return SYSCLK_100;
+ }
+}
+
+unsigned long get_board_ddr_clk(ulong dummy)
+{
+ ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+ u32 ddr_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO;
+
+ ddr_ratio >>= MPC85xx_PORPLLSR_DDR_RATIO_SHIFT;
+ switch (ddr_ratio) {
+ case 0x0C:
+ case 0x0A:
+ return SYSCLK_66;
+ case 0x08:
+ return SYSCLK_100;
+ default:
+ puts("ERROR: unknown DDR ratio\n");
+ return SYSCLK_100;
+ }
+}
+
+#ifdef CONFIG_MMC
+int board_early_init_f(void)
+{
+ ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+
+ setbits_be32(&gur->pmuxcr,
+ (MPC85xx_PMUXCR_SDHC_CD |
+ MPC85xx_PMUXCR_SDHC_WP));
+
+ /* All the device are enable except for SRIO12 */
+ setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_SRIO);
+ return 0;
+}
+#endif
+
+#define GPIO_DIR 0x0f3a0000
+#define GPIO_ODR 0x00000000
+#define GPIO_DAT 0x001a0000
+
+int checkboard(void)
+{
+ ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR + 0xC00);
+
+ /*
+ * GPIO
+ * 0 - 3: CarryBoard Input;
+ * 4 - 7: CarryBoard Output;
+ * 8 : Mux as SDHC_CD (card detection)
+ * 9 : Mux as SDHC_WP
+ * 10 : Clear Watchdog timer
+ * 11 : LED Input
+ * 12 : Output to 1
+ * 13 : Open Drain
+ * 14 : LED Output
+ * 15 : Switch Input
+ *
+ * Set GPIOs 11, 12, 14 to 1.
+ */
+ out_be32(&pgpio->gpodr, GPIO_ODR);
+ mpc85xx_gpio_set(0xffffffff, GPIO_DIR, GPIO_DAT);
+
+ puts("Board: Freescale COM Express P2020\n");
+ return 0;
+}
+
+#define M41ST85W_I2C_BUS 1
+#define M41ST85W_I2C_ADDR 0x68
+#define M41ST85W_ERROR(fmt, args...) printf("ERROR: M41ST85W: " fmt, ##args)
+
+static void m41st85w_clear_bit(u8 reg, u8 mask, const char *name)
+{
+ u8 data;
+
+ if (i2c_read(M41ST85W_I2C_ADDR, reg, 1, &data, 1)) {
+ M41ST85W_ERROR("unable to read %s bit\n", name);
+ return;
+ }
+
+ if (data & mask) {
+ data &= ~mask;
+ if (i2c_write(M41ST85W_I2C_ADDR, reg, 1, &data, 1)) {
+ M41ST85W_ERROR("unable to clear %s bit\n", name);
+ return;
+ }
+ }
+}
+
+#define M41ST85W_REG_SEC2 0x01
+#define M41ST85W_REG_SEC2_ST 0x80
+
+#define M41ST85W_REG_ALHOUR 0x0c
+#define M41ST85W_REG_ALHOUR_HT 0x40
+
+/*
+ * The P2020COME board has a STMicro M41ST85W RTC/watchdog
+ * at i2c bus 1 address 0x68.
+ */
+static void start_rtc(void)
+{
+ unsigned int bus = i2c_get_bus_num();
+
+ if (i2c_set_bus_num(M41ST85W_I2C_BUS)) {
+ M41ST85W_ERROR("unable to set i2c bus\n");
+ goto out;
+ }
+
+ /* ensure ST (stop) and HT (halt update) bits are cleared */
+ m41st85w_clear_bit(M41ST85W_REG_SEC2, M41ST85W_REG_SEC2_ST, "ST");
+ m41st85w_clear_bit(M41ST85W_REG_ALHOUR, M41ST85W_REG_ALHOUR_HT, "HT");
+
+out:
+ /* reset the i2c bus */
+ i2c_set_bus_num(bus);
+}
+
+int board_early_init_r(void)
+{
+ start_rtc();
+ return 0;
+}
+
+#define M41ST85W_REG_WATCHDOG 0x09
+#define M41ST85W_REG_WATCHDOG_WDS 0x80
+#define M41ST85W_REG_WATCHDOG_BMB0 0x04
+
+void board_reset(void)
+{
+ u8 data = M41ST85W_REG_WATCHDOG_WDS | M41ST85W_REG_WATCHDOG_BMB0;
+
+ /* set the hardware watchdog timeout to 1/16 second, then hang */
+ i2c_set_bus_num(M41ST85W_I2C_BUS);
+ i2c_write(M41ST85W_I2C_ADDR, M41ST85W_REG_WATCHDOG, 1, &data, 1);
+
+ while (1)
+ /* hang */;
+}
+
+#ifdef CONFIG_TSEC_ENET
+int board_eth_init(bd_t *bis)
+{
+ struct fsl_pq_mdio_info mdio_info;
+ struct tsec_info_struct tsec_info[4];
+ int num = 0;
+
+#ifdef CONFIG_TSEC1
+ SET_STD_TSEC_INFO(tsec_info[num], 1);
+ num++;
+#endif
+#ifdef CONFIG_TSEC2
+ SET_STD_TSEC_INFO(tsec_info[num], 2);
+ num++;
+#endif
+#ifdef CONFIG_TSEC3
+ SET_STD_TSEC_INFO(tsec_info[num], 3);
+ if (is_serdes_configured(SGMII_TSEC3)) {
+ puts("eTSEC3 is in sgmii mode.");
+ tsec_info[num].flags |= TSEC_SGMII;
+ }
+ num++;
+#endif
+ if (!num) {
+ printf("No TSECs initialized\n");
+ return 0;
+ }
+
+ mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
+ mdio_info.name = DEFAULT_MII_NAME;
+ fsl_pq_mdio_init(bis, &mdio_info);
+
+ tsec_eth_init(bis, tsec_info, num);
+
+ return pci_eth_init(bis);
+}
+#endif
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+ phys_addr_t base;
+ phys_size_t size;
+
+ ft_cpu_setup(blob, bd);
+
+ base = getenv_bootm_low();
+ size = getenv_bootm_size();
+
+#if defined(CONFIG_PCI)
+ ft_pci_board_setup(blob);
+#endif
+
+ fdt_fixup_memory(blob, (u64)base, (u64)size);
+
+ fdt_fixup_dr_usb(blob, bd);
+}
+#endif
diff --git a/board/freescale/p2020come/tlb.c b/board/freescale/p2020come/tlb.c
new file mode 100644
index 0000000..d787ac3
--- /dev/null
+++ b/board/freescale/p2020come/tlb.c
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2011 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 <asm/mmu.h>
+
+struct fsl_e_tlb_entry tlb_table[] = {
+ /* TLB 0 - for temp stack in cache */
+ SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR,
+ CONFIG_SYS_INIT_RAM_ADDR_PHYS,
+ MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 ,
+ CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 1024,
+ MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 ,
+ CONFIG_SYS_INIT_RAM_ADDR_PHYS + 8 * 1024,
+ MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 ,
+ CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024,
+ MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+
+ /* TLB 1 */
+ /* *I*** - Covers boot page */
+ SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 0, BOOKE_PAGESZ_4K, 1),
+
+ /* *I*G* - CCSRBAR */
+ SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
+ MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 1, BOOKE_PAGESZ_1M, 1),
+
+#if defined(CONFIG_PCI)
+ /* *I*G* - PCI3 - PCI2 0x8000,0000 - 0xbfff,ffff, size = 1G */
+ SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT, CONFIG_SYS_PCIE3_MEM_PHYS,
+ MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 2, BOOKE_PAGESZ_1G, 1),
+
+ /* *I*G* - PCI1 0xC000,0000 - 0xcfff,ffff, size = 256M */
+ SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_VIRT,
+ MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 3, BOOKE_PAGESZ_256M, 1),
+
+ /* *I*G* - PCI1 0xD000,0000 - 0xDFFF,FFFF, size = 256M */
+ SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x10000000,
+ CONFIG_SYS_PCIE1_MEM_PHYS + 0x10000000,
+ MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 4, BOOKE_PAGESZ_256M, 1),
+
+ /*
+ * *I*G* - PCI I/O
+ *
+ * PCI3 => 0xFFC10000
+ * PCI2 => 0xFFC2,0000
+ * PCI1 => 0xFFC3,0000
+ */
+ SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_IO_VIRT, CONFIG_SYS_PCIE3_IO_PHYS,
+ MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 5, BOOKE_PAGESZ_256K, 1),
+#endif /* #if defined(CONFIG_PCI) */
+
+#if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
+ /* *I*G - DDR3 2G Part 1: 0 - 0x3fff,ffff , size = 1G */
+ SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 6, BOOKE_PAGESZ_256K, 1),
+
+ /* DDR3 2G Part 2: 0x4000,0000 - 0x7fff,ffff , size = 1G */
+ SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR + 0x40000,
+ CONFIG_SYS_INIT_L2_ADDR_PHYS + 0x40000,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 7, BOOKE_PAGESZ_256K, 1),
+#endif
+};
+
+int num_tlb_entries = ARRAY_SIZE(tlb_table);