powerpc: add support for the Freescale P1022DS reference board
Specifics:
1) 36-bit only
2) Booting from NOR flash only
3) Environment stored in NOR flash only
4) No SPI support
5) No DIU support
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile
index d18445b..5436bd6 100644
--- a/board/freescale/common/Makefile
+++ b/board/freescale/common/Makefile
@@ -42,6 +42,7 @@
COBJS-$(CONFIG_MPC8548CDS) += cds_pci_ft.o
COBJS-$(CONFIG_MPC8555CDS) += cds_pci_ft.o
+COBJS-$(CONFIG_P1022DS) += ics307_clk.o
COBJS-$(CONFIG_P2020DS) += ics307_clk.o
SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
diff --git a/board/freescale/p1022ds/Makefile b/board/freescale/p1022ds/Makefile
new file mode 100644
index 0000000..8ede2d6
--- /dev/null
+++ b/board/freescale/p1022ds/Makefile
@@ -0,0 +1,39 @@
+#
+# Copyright 2010 Freescale Semiconductor, Inc.
+#
+# 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.
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).a
+
+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) $(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/freescale/p1022ds/config.mk b/board/freescale/p1022ds/config.mk
new file mode 100644
index 0000000..4581d20
--- /dev/null
+++ b/board/freescale/p1022ds/config.mk
@@ -0,0 +1,14 @@
+#
+# Copyright 2010 Freescale Semiconductor, Inc.
+#
+# 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.
+#
+
+ifndef TEXT_BASE
+TEXT_BASE = 0xeff80000
+endif
+
+RESET_VECTOR_ADDRESS = 0xeffffffc
diff --git a/board/freescale/p1022ds/ddr.c b/board/freescale/p1022ds/ddr.c
new file mode 100644
index 0000000..7ecfb3e
--- /dev/null
+++ b/board/freescale/p1022ds/ddr.c
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2010 Freescale Semiconductor, Inc.
+ * Authors: Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
+ * Timur Tabi <timur@freescale.com>
+ *
+ * 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.
+ */
+
+#include <common.h>
+#include <i2c.h>
+
+#include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_ddr_dimm_params.h>
+
+unsigned int fsl_ddr_get_mem_data_rate(void)
+{
+ return get_ddr_freq(0);
+}
+
+void fsl_ddr_get_spd(ddr3_spd_eeprom_t *ctrl_dimms_spd, unsigned int ctrl_num)
+{
+ int ret;
+
+ /*
+ * The P1022 has only one DDR controller, and the board has only one
+ * DIMM slot.
+ */
+ ret = i2c_read(SPD_EEPROM_ADDRESS1, 0, 1, (u8 *)ctrl_dimms_spd,
+ sizeof(ddr3_spd_eeprom_t));
+ if (ret) {
+ debug("DDR: failed to read SPD from address %u\n",
+ SPD_EEPROM_ADDRESS1);
+ memset(ctrl_dimms_spd, 0, sizeof(ddr3_spd_eeprom_t));
+ }
+}
+
+typedef struct {
+ u32 datarate_mhz_low;
+ u32 datarate_mhz_high;
+ u32 n_ranks;
+ u32 clk_adjust; /* Range: 0-8 */
+ u32 cpo; /* Range: 2-31 */
+ u32 write_data_delay; /* Range: 0-6 */
+ u32 force_2T;
+} board_specific_parameters_t;
+
+static const board_specific_parameters_t bsp[] = {
+/*
+ * lo| hi| num| clk| cpo|wrdata|2T
+ * mhz| mhz|ranks|adjst| | delay|
+ */
+ { 0, 333, 1, 5, 31, 3, 0},
+ {334, 400, 1, 5, 31, 3, 0},
+ {401, 549, 1, 5, 31, 3, 0},
+ {550, 680, 1, 5, 31, 5, 0},
+ {681, 850, 1, 5, 31, 5, 0},
+ { 0, 333, 2, 5, 31, 3, 0},
+ {334, 400, 2, 5, 31, 3, 0},
+ {401, 549, 2, 5, 31, 3, 0},
+ {550, 680, 2, 5, 31, 5, 0},
+ {681, 850, 2, 5, 31, 5, 0},
+};
+
+void fsl_ddr_board_options(memctl_options_t *popts, dimm_params_t *pdimm,
+ unsigned int ctrl_num)
+{
+ unsigned long ddr_freq;
+ unsigned int i;
+
+ /* set odt_rd_cfg and odt_wr_cfg. */
+ for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) {
+ popts->cs_local_opts[i].odt_rd_cfg = 0;
+ popts->cs_local_opts[i].odt_wr_cfg = 1;
+ }
+
+ /*
+ * Get clk_adjust, cpo, write_data_delay,2T, according to the board ddr
+ * freqency and n_banks specified in board_specific_parameters table.
+ */
+ ddr_freq = get_ddr_freq(0) / 1000000;
+ for (i = 0; i < ARRAY_SIZE(bsp); i++) {
+ if (ddr_freq >= bsp[i].datarate_mhz_low &&
+ ddr_freq <= bsp[i].datarate_mhz_high &&
+ pdimm->n_ranks == bsp[i].n_ranks) {
+ popts->clk_adjust = bsp[i].clk_adjust;
+ popts->cpo_override = bsp[i].cpo;
+ popts->write_data_delay = bsp[i].write_data_delay;
+ popts->twoT_en = bsp[i].force_2T;
+ break;
+ }
+ }
+
+ popts->half_strength_driver_enable = 1;
+
+ /* Per AN4039, enable ZQ calibration. */
+ popts->zq_en = 1;
+
+ /*
+ * For wake-up on ARP, we need auto self refresh enabled
+ */
+ popts->auto_self_refresh_en = 1;
+ popts->sr_it = 0xb;
+}
diff --git a/board/freescale/p1022ds/law.c b/board/freescale/p1022ds/law.c
new file mode 100644
index 0000000..b23b8f9
--- /dev/null
+++ b/board/freescale/p1022ds/law.c
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010 Freescale Semiconductor, Inc.
+ * Authors: Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
+ * Timur Tabi <timur@freescale.com>
+ *
+ * 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.
+ */
+
+#include <common.h>
+#include <asm/fsl_law.h>
+#include <asm/mmu.h>
+
+struct law_entry law_table[] = {
+ SET_LAW(CONFIG_SYS_FLASH_BASE_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
+ SET_LAW(PIXIS_BASE_PHYS, LAW_SIZE_4K, LAW_TRGT_IF_LBC),
+};
+
+int num_law_entries = ARRAY_SIZE(law_table);
diff --git a/board/freescale/p1022ds/p1022ds.c b/board/freescale/p1022ds/p1022ds.c
new file mode 100644
index 0000000..970a0d5
--- /dev/null
+++ b/board/freescale/p1022ds/p1022ds.c
@@ -0,0 +1,285 @@
+/*
+ * Copyright 2010 Freescale Semiconductor, Inc.
+ * Authors: Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
+ * Timur Tabi <timur@freescale.com>
+ *
+ * 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.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <pci.h>
+#include <asm/processor.h>
+#include <asm/mmu.h>
+#include <asm/cache.h>
+#include <asm/immap_85xx.h>
+#include <asm/fsl_pci.h>
+#include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_serdes.h>
+#include <asm/io.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <tsec.h>
+#include <asm/fsl_law.h>
+#include <asm/mp.h>
+#include <netdev.h>
+#include <i2c.h>
+
+#include "../common/ngpixis.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_early_init_f(void)
+{
+ ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+
+ /* Set pmuxcr to allow both i2c1 and i2c2 */
+ setbits_be32(&gur->pmuxcr, 0x1000);
+
+ /* Read back the register to synchronize the write. */
+ in_be32(&gur->pmuxcr);
+
+ /* Set the pin muxing to enable ETSEC2. */
+ clrbits_be32(&gur->pmuxcr2, 0x001F8000);
+
+ return 0;
+}
+
+int checkboard(void)
+{
+ u8 sw;
+
+ puts("Board: P1022DS ");
+
+ printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
+ in_8(&pixis->id), in_8(&pixis->arch), in_8(&pixis->scver));
+
+ sw = in_8(&PIXIS_SW(PIXIS_LBMAP_SWITCH));
+
+ switch ((sw & PIXIS_LBMAP_MASK) >> 6) {
+ case 0:
+ printf ("vBank: %u\n", ((sw & 0x30) >> 4));
+ break;
+ case 1:
+ printf ("NAND\n");
+ break;
+ case 2:
+ case 3:
+ puts ("Promjet\n");
+ break;
+ }
+
+ return 0;
+}
+
+phys_size_t initdram(int board_type)
+{
+ phys_size_t dram_size = 0;
+
+ puts("Initializing....\n");
+
+ dram_size = fsl_ddr_sdram();
+ dram_size = setup_ddr_tlbs(dram_size / 0x100000) * 0x100000;
+
+ puts(" DDR: ");
+ return dram_size;
+}
+
+#define CONFIG_TFP410_I2C_ADDR 0x38
+
+int misc_init_r(void)
+{
+ u8 temp;
+
+ /* Enable the TFP410 Encoder */
+
+ temp = 0xBF;
+ if (i2c_write(CONFIG_TFP410_I2C_ADDR, 0x08, 1, &temp, sizeof(temp)) < 0)
+ return -1;
+
+ /* Verify if enabled */
+ temp = 0;
+ if (i2c_read(CONFIG_TFP410_I2C_ADDR, 0x08, 1, &temp, sizeof(temp)) < 0)
+ return -1;
+
+ debug("DVI Encoder Read: 0x%02x\n", temp);
+
+ temp = 0x10;
+ if (i2c_write(CONFIG_TFP410_I2C_ADDR, 0x0A, 1, &temp, sizeof(temp)) < 0)
+ return -1;
+
+ /* Verify if enabled */
+ temp = 0;
+ if (i2c_read(CONFIG_TFP410_I2C_ADDR, 0x0A, 1, &temp, sizeof(temp)) < 0)
+ return -1;
+
+ debug("DVI Encoder Read: 0x%02x\n",temp);
+
+ return 0;
+}
+
+static void configure_pcie(struct fsl_pci_info *info,
+ struct pci_controller *hose,
+ const char *connected)
+{
+ static int bus_number = 0;
+ int is_endpoint;
+
+ set_next_law(info->mem_phys, law_size_bits(info->mem_size), info->law);
+ set_next_law(info->io_phys, law_size_bits(info->io_size), info->law);
+ is_endpoint = fsl_setup_hose(hose, info->regs);
+ printf(" PCIE%u connected to %s as %s (base addr %lx)\n",
+ info->pci_num, connected,
+ is_endpoint ? "Endpoint" : "Root Complex", info->regs);
+ bus_number = fsl_pci_init_port(info, hose, bus_number);
+}
+
+#ifdef CONFIG_PCIE1
+static struct pci_controller pcie1_hose;
+#endif
+
+#ifdef CONFIG_PCIE2
+static struct pci_controller pcie2_hose;
+#endif
+
+#ifdef CONFIG_PCIE3
+static struct pci_controller pcie3_hose;
+#endif
+
+#ifdef CONFIG_PCI
+void pci_init_board(void)
+{
+ ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+ struct fsl_pci_info pci_info;
+ u32 devdisr = in_be32(&gur->devdisr);
+
+#ifdef CONFIG_PCIE1
+ if (is_serdes_configured(PCIE1) && !(devdisr & MPC85xx_DEVDISR_PCIE)) {
+ SET_STD_PCIE_INFO(pci_info, 1);
+ configure_pcie(&pci_info, &pcie1_hose, serdes_slot_name(PCIE1));
+ } else {
+ printf(" PCIE1: disabled\n");
+ }
+#else
+ setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE); /* disable */
+#endif
+
+#ifdef CONFIG_PCIE2
+ if (is_serdes_configured(PCIE2) && !(devdisr & MPC85xx_DEVDISR_PCIE2)) {
+ SET_STD_PCIE_INFO(pci_info, 2);
+ configure_pcie(&pci_info, &pcie2_hose, serdes_slot_name(PCIE2));
+ } else {
+ printf(" PCIE2: disabled\n");
+ }
+#else
+ setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE2); /* disable */
+#endif
+
+#ifdef CONFIG_PCIE3
+ if (is_serdes_configured(PCIE3) && !(devdisr & MPC85xx_DEVDISR_PCIE3)) {
+ SET_STD_PCIE_INFO(pci_info, 3);
+ configure_pcie(&pci_info, &pcie3_hose, serdes_slot_name(PCIE3));
+ } else {
+ printf(" PCIE3: disabled\n");
+ }
+#else
+ setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE3); /* disable */
+#endif
+}
+#endif
+
+int board_early_init_r(void)
+{
+ const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
+ const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
+
+ /*
+ * Remap Boot flash + PROMJET region to caching-inhibited
+ * so that flash can be erased properly.
+ */
+
+ /* Flush d-cache and invalidate i-cache of any FLASH data */
+ flush_dcache();
+ invalidate_icache();
+
+ /* invalidate existing TLB entry for flash + promjet */
+ disable_tlb(flash_esel);
+
+ set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, flash_esel, BOOKE_PAGESZ_256M, 1);
+
+ return 0;
+}
+
+/*
+ * Initialize on-board and/or PCI Ethernet devices
+ *
+ * Returns:
+ * <0, error
+ * 0, no ethernet devices found
+ * >0, number of ethernet devices initialized
+ */
+int board_eth_init(bd_t *bis)
+{
+ struct tsec_info_struct tsec_info[2];
+ unsigned 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
+
+ return tsec_eth_init(bis, tsec_info, num) + pci_eth_init(bis);
+}
+
+#ifdef 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();
+
+ fdt_fixup_memory(blob, (u64)base, (u64)size);
+
+#ifdef CONFIG_PCIE1
+ ft_fsl_pci_setup(blob, "pci0", &pcie1_hose);
+#else
+ ft_fsl_pci_setup(blob, "pci0", NULL);
+#endif
+
+#ifdef CONFIG_PCIE2
+ ft_fsl_pci_setup(blob, "pci1", &pcie2_hose);
+#else
+ ft_fsl_pci_setup(blob, "pci1", NULL);
+#endif
+
+#ifdef CONFIG_PCIE3
+ ft_fsl_pci_setup(blob, "pci2", &pcie3_hose);
+#else
+ ft_fsl_pci_setup(blob, "pci2", NULL);
+#endif
+
+#ifdef CONFIG_FSL_SGMII_RISER
+ fsl_sgmii_riser_fdt_fixup(blob);
+#endif
+}
+#endif
+
+#ifdef CONFIG_MP
+void board_lmb_reserve(struct lmb *lmb)
+{
+ cpu_mp_lmb_reserve(lmb);
+}
+#endif
diff --git a/board/freescale/p1022ds/tlb.c b/board/freescale/p1022ds/tlb.c
new file mode 100644
index 0000000..e620112
--- /dev/null
+++ b/board/freescale/p1022ds/tlb.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2010 Freescale Semiconductor, Inc.
+ * Authors: Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
+ * Timur Tabi <timur@freescale.com>
+ *
+ * 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.
+ */
+
+#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,
+ MAS3_SX|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 + 4 * 1024,
+ MAS3_SX|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 + 8 * 1024,
+ MAS3_SX|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 + 12 * 1024,
+ MAS3_SX|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,
+ 0, 0, BOOKE_PAGESZ_4K, 1),
+
+ /* *I*G* - CCSRBAR */
+ SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 1, BOOKE_PAGESZ_1M, 1),
+
+ /* W**G* - Flash/promjet, localbus */
+ /* This will be changed to *I*G* after relocation to RAM. */
+ SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
+ MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
+ 0, 2, BOOKE_PAGESZ_256M, 1),
+
+ /* *I*G* - PCI */
+ SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT, CONFIG_SYS_PCIE3_MEM_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 3, BOOKE_PAGESZ_1G, 1),
+
+ /* *I*G* - PCI */
+ SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x40000000,
+ CONFIG_SYS_PCIE3_MEM_PHYS + 0x40000000,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 4, BOOKE_PAGESZ_256M, 1),
+
+ SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x50000000,
+ CONFIG_SYS_PCIE3_MEM_PHYS + 0x50000000,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 5, BOOKE_PAGESZ_256M, 1),
+
+ /* *I*G* - PCI I/O */
+ SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_IO_VIRT, CONFIG_SYS_PCIE3_IO_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 6, BOOKE_PAGESZ_256K, 1),
+
+ SET_TLB_ENTRY(1, PIXIS_BASE, PIXIS_BASE_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 7, BOOKE_PAGESZ_4K, 1),
+};
+
+int num_tlb_entries = ARRAY_SIZE(tlb_table);