summaryrefslogtreecommitdiff
path: root/board/freescale/p2020ds/p2020ds.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/freescale/p2020ds/p2020ds.c')
-rw-r--r--board/freescale/p2020ds/p2020ds.c634
1 files changed, 634 insertions, 0 deletions
diff --git a/board/freescale/p2020ds/p2020ds.c b/board/freescale/p2020ds/p2020ds.c
new file mode 100644
index 0000000000..6b72d61426
--- /dev/null
+++ b/board/freescale/p2020ds/p2020ds.c
@@ -0,0 +1,634 @@
+/*
+ * Copyright 2007-2009 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 <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/io.h>
+#include <miiphy.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <tsec.h>
+#include <asm/fsl_law.h>
+#include <asm/mp.h>
+
+#include "../common/pixis.h"
+#include "../common/sgmii_riser.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+phys_size_t fixed_sdram(void);
+
+int checkboard(void)
+{
+ puts("Board: P2020DS ");
+#ifdef CONFIG_PHYS_64BIT
+ puts("(36-bit addrmap) ");
+#endif
+ printf("Sys ID: 0x%02x, "
+ "Sys Ver: 0x%02x, FPGA Ver: 0x%02x\n",
+ in8(PIXIS_BASE + PIXIS_ID), in8(PIXIS_BASE + PIXIS_VER),
+ in8(PIXIS_BASE + PIXIS_PVER));
+ return 0;
+}
+
+phys_size_t initdram(int board_type)
+{
+ phys_size_t dram_size = 0;
+
+ puts("Initializing....");
+
+#ifdef CONFIG_SPD_EEPROM
+ dram_size = fsl_ddr_sdram();
+#else
+ dram_size = fixed_sdram();
+
+ if (set_ddr_laws(CONFIG_SYS_DDR_SDRAM_BASE,
+ dram_size,
+ LAW_TRGT_IF_DDR) < 0) {
+ printf("ERROR setting Local Access Windows for DDR\n");
+ return 0;
+ };
+#endif
+ dram_size = setup_ddr_tlbs(dram_size / 0x100000);
+ dram_size *= 0x100000;
+
+ puts(" DDR: ");
+ return dram_size;
+}
+
+#if !defined(CONFIG_SPD_EEPROM)
+/*
+ * Fixed sdram init -- doesn't use serial presence detect.
+ */
+
+phys_size_t fixed_sdram(void)
+{
+ volatile ccsr_ddr_t *ddr = (ccsr_ddr_t *)CONFIG_SYS_MPC85xx_DDR_ADDR;
+ uint d_init;
+
+ ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
+ ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
+ ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
+ ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
+ ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
+ ddr->sdram_md_cntl = CONFIG_SYS_DDR_MODE_CTRL;
+ ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
+ ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
+ ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
+ ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;
+ ddr->ddr_zq_cntl = CONFIG_SYS_DDR_ZQ_CNTL;
+ ddr->ddr_wrlvl_cntl = CONFIG_SYS_DDR_WRLVL_CNTL;
+ ddr->ddr_cdr1 = CONFIG_SYS_DDR_CDR1;
+ ddr->timing_cfg_4 = CONFIG_SYS_DDR_TIMING_4;
+ ddr->timing_cfg_5 = CONFIG_SYS_DDR_TIMING_5;
+
+ if (!strcmp("performance", getenv("perf_mode"))) {
+ /* Performance Mode Values */
+
+ ddr->cs1_config = CONFIG_SYS_DDR_CS1_CONFIG_PERF;
+ ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS_PERF;
+ ddr->cs1_bnds = CONFIG_SYS_DDR_CS1_BNDS_PERF;
+ ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1_PERF;
+ ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2_PERF;
+
+ asm("sync;isync");
+
+ udelay(500);
+
+ ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL_PERF;
+ } else {
+ /* Stable Mode Values */
+
+ ddr->cs1_config = CONFIG_SYS_DDR_CS1_CONFIG;
+ ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
+ ddr->cs1_bnds = CONFIG_SYS_DDR_CS1_BNDS;
+ ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
+ ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
+
+ /* ECC will be assumed in stable mode */
+ ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
+ ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
+ ddr->err_sbe = CONFIG_SYS_DDR_SBE;
+
+ asm("sync;isync");
+
+ udelay(500);
+
+ ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
+ }
+
+#if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+ d_init = 1;
+ debug("DDR - 1st controller: memory initializing\n");
+ /*
+ * Poll until memory is initialized.
+ * 512 Meg at 400 might hit this 200 times or so.
+ */
+ while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0)
+ udelay(1000);
+ debug("DDR: memory initialized\n\n");
+ asm("sync; isync");
+ udelay(500);
+#endif
+
+ return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
+}
+
+#endif
+
+#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
+
+int first_free_busno = 0;
+
+#ifdef CONFIG_PCI
+void pci_init_board(void)
+{
+ volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_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;
+
+ volatile ccsr_fsl_pci_t *pci;
+ struct pci_controller *hose;
+ int pcie_ep, pcie_configured;
+ struct pci_region *r;
+/* u32 temp32; */
+
+ debug(" pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
+ devdisr, io_sel, host_agent);
+
+ 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");
+
+#ifdef CONFIG_PCIE2
+ pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
+ hose = &pcie2_hose;
+ pcie_ep = (host_agent == 2) || (host_agent == 4) ||
+ (host_agent == 6) || (host_agent == 0);
+ pcie_configured = (io_sel == 0x2) || (io_sel == 0xe);
+ r = hose->regions;
+
+ if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)) {
+ printf("\n PCIE2 connected to ULI as %s (base addr %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 */
+ r += fsl_pci_setup_inbound_windows(r);
+
+ /* outbound memory */
+ pci_set_region(r++,
+ CONFIG_SYS_PCIE2_MEM_BUS,
+ CONFIG_SYS_PCIE2_MEM_PHYS,
+ CONFIG_SYS_PCIE2_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region(r++,
+ CONFIG_SYS_PCIE2_IO_BUS,
+ CONFIG_SYS_PCIE2_IO_PHYS,
+ CONFIG_SYS_PCIE2_IO_SIZE,
+ PCI_REGION_IO);
+
+ hose->region_count = r - hose->regions;
+ 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(" PCIE2 on bus %02x - %02x\n",
+ hose->first_busno, hose->last_busno);
+
+ /*
+ * The workaround doesn't work on p2020 because the location
+ * we try and read isn't valid on p2020, fix this later
+ */
+#if 0
+ /*
+ * Activate ULI1575 legacy chip by performing a fake
+ * memory access. Needed to make ULI RTC work.
+ * Device 1d has the first on-board memory BAR.
+ */
+
+ pci_hose_read_config_dword(hose, PCI_BDF(2, 0x1d, 0),
+ PCI_BASE_ADDRESS_1, &temp32);
+ if (temp32 >= CONFIG_SYS_PCIE3_MEM_BUS) {
+ void *p = pci_mem_to_virt(PCI_BDF(2, 0x1d, 0),
+ temp32, 4, 0);
+ debug(" uli1575 read to %p\n", p);
+ in_be32(p);
+ }
+#endif
+ } else {
+ printf(" PCIE2: disabled\n");
+ }
+#else
+ gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */
+#endif
+
+#ifdef CONFIG_PCIE3
+ pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE3_ADDR;
+ hose = &pcie3_hose;
+ pcie_ep = (host_agent == 0) || (host_agent == 3) ||
+ (host_agent == 5) || (host_agent == 6);
+ pcie_configured = (io_sel == 0x2) || (io_sel == 0x4);
+ r = hose->regions;
+
+ if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)) {
+ printf("\n PCIE3 connected to Slot 1 as %s (base addr %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 */
+ r += fsl_pci_setup_inbound_windows(r);
+
+ /* outbound memory */
+ pci_set_region(r++,
+ CONFIG_SYS_PCIE3_MEM_BUS,
+ CONFIG_SYS_PCIE3_MEM_PHYS,
+ CONFIG_SYS_PCIE3_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region(r++,
+ CONFIG_SYS_PCIE3_IO_BUS,
+ CONFIG_SYS_PCIE3_IO_PHYS,
+ CONFIG_SYS_PCIE3_IO_SIZE,
+ PCI_REGION_IO);
+
+ hose->region_count = r - hose->regions;
+ 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(" PCIE3 on bus %02x - %02x\n",
+ hose->first_busno, hose->last_busno);
+
+ } else {
+ printf(" PCIE3: disabled\n");
+ }
+#else
+ gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */
+#endif
+
+#ifdef CONFIG_PCIE1
+ pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
+ hose = &pcie1_hose;
+ pcie_ep = (host_agent <= 1) || (host_agent == 4) || (host_agent == 5);
+ pcie_configured = (io_sel & 6) || (io_sel == 0xE) || (io_sel == 0xF);
+ r = hose->regions;
+
+ if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)) {
+ printf("\n PCIE1 connected to Slot 2 as %s (base addr %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 */
+ r += fsl_pci_setup_inbound_windows(r);
+
+ /* outbound memory */
+ pci_set_region(r++,
+ CONFIG_SYS_PCIE1_MEM_BUS,
+ CONFIG_SYS_PCIE1_MEM_PHYS,
+ CONFIG_SYS_PCIE1_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region(r++,
+ CONFIG_SYS_PCIE1_IO_BUS,
+ CONFIG_SYS_PCIE1_IO_PHYS,
+ CONFIG_SYS_PCIE1_IO_SIZE,
+ PCI_REGION_IO);
+
+ hose->region_count = r - hose->regions;
+ 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
+}
+#endif
+
+int board_early_init_r(void)
+{
+ const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
+ const u8 flash_esel = 2;
+
+ /*
+ * 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;
+}
+
+#ifdef CONFIG_GET_CLK_FROM_ICS307
+/* decode S[0-2] to Output Divider (OD) */
+static unsigned char ics307_S_to_OD[] = {
+ 10, 2, 8, 4, 5, 7, 3, 6
+};
+
+/* Calculate frequency being generated by ICS307-02 clock chip based upon
+ * the control bytes being programmed into it. */
+/* XXX: This function should probably go into a common library */
+static unsigned long
+ics307_clk_freq(unsigned char cw0, unsigned char cw1, unsigned char cw2)
+{
+ const unsigned long InputFrequency = CONFIG_ICS307_REFCLK_HZ;
+ unsigned long VDW = ((cw1 << 1) & 0x1FE) + ((cw2 >> 7) & 1);
+ unsigned long RDW = cw2 & 0x7F;
+ unsigned long OD = ics307_S_to_OD[cw0 & 0x7];
+ unsigned long freq;
+
+ /* CLK1Frequency = InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD) */
+
+ /* cw0: C1 C0 TTL F1 F0 S2 S1 S0
+ * cw1: V8 V7 V6 V5 V4 V3 V2 V1
+ * cw2: V0 R6 R5 R4 R3 R2 R1 R0
+ *
+ * R6:R0 = Reference Divider Word (RDW)
+ * V8:V0 = VCO Divider Word (VDW)
+ * S2:S0 = Output Divider Select (OD)
+ * F1:F0 = Function of CLK2 Output
+ * TTL = duty cycle
+ * C1:C0 = internal load capacitance for cyrstal
+ */
+
+ /* Adding 1 to get a "nicely" rounded number, but this needs
+ * more tweaking to get a "properly" rounded number. */
+
+ freq = 1 + (InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD));
+
+ debug("ICS307: CW[0-2]: %02X %02X %02X => %lu Hz\n", cw0, cw1, cw2,
+ freq);
+ return freq;
+}
+
+unsigned long get_board_sys_clk(ulong dummy)
+{
+ return gd->bus_clk;
+}
+
+unsigned long get_board_ddr_clk(ulong dummy)
+{
+ return gd->mem_clk;
+}
+
+unsigned long
+calculate_board_sys_clk(ulong dummy)
+{
+ ulong val;
+ val = ics307_clk_freq(
+ in8(PIXIS_BASE + PIXIS_VSYSCLK0),
+ in8(PIXIS_BASE + PIXIS_VSYSCLK1),
+ in8(PIXIS_BASE + PIXIS_VSYSCLK2));
+ debug("sysclk val = %lu\n", val);
+ return val;
+}
+
+unsigned long
+calculate_board_ddr_clk(ulong dummy)
+{
+ ulong val;
+ val = ics307_clk_freq(
+ in8(PIXIS_BASE + PIXIS_VDDRCLK0),
+ in8(PIXIS_BASE + PIXIS_VDDRCLK1),
+ in8(PIXIS_BASE + PIXIS_VDDRCLK2));
+ debug("ddrclk val = %lu\n", val);
+ return val;
+}
+#else
+unsigned long get_board_sys_clk(ulong dummy)
+{
+ u8 i;
+ ulong val = 0;
+
+ i = in8(PIXIS_BASE + PIXIS_SPD);
+ i &= 0x07;
+
+ switch (i) {
+ case 0:
+ val = 33333333;
+ break;
+ case 1:
+ val = 40000000;
+ break;
+ case 2:
+ val = 50000000;
+ break;
+ case 3:
+ val = 66666666;
+ break;
+ case 4:
+ val = 83333333;
+ break;
+ case 5:
+ val = 100000000;
+ break;
+ case 6:
+ val = 133333333;
+ break;
+ case 7:
+ val = 166666666;
+ break;
+ }
+
+ return val;
+}
+
+unsigned long get_board_ddr_clk(ulong dummy)
+{
+ u8 i;
+ ulong val = 0;
+
+ i = in8(PIXIS_BASE + PIXIS_SPD);
+ i &= 0x38;
+ i >>= 3;
+
+ switch (i) {
+ case 0:
+ val = 33333333;
+ break;
+ case 1:
+ val = 40000000;
+ break;
+ case 2:
+ val = 50000000;
+ break;
+ case 3:
+ val = 66666666;
+ break;
+ case 4:
+ val = 83333333;
+ break;
+ case 5:
+ val = 100000000;
+ break;
+ case 6:
+ val = 133333333;
+ break;
+ case 7:
+ val = 166666666;
+ break;
+ }
+ return val;
+}
+#endif
+
+#ifdef CONFIG_TSEC_ENET
+int board_eth_init(bd_t *bis)
+{
+ struct tsec_info_struct tsec_info[4];
+ volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+ 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);
+ if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
+ tsec_info[num].flags |= TSEC_SGMII;
+ num++;
+#endif
+#ifdef CONFIG_TSEC3
+ SET_STD_TSEC_INFO(tsec_info[num], 3);
+ if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
+ tsec_info[num].flags |= TSEC_SGMII;
+ num++;
+#endif
+
+ if (!num) {
+ printf("No TSECs initialized\n");
+
+ return 0;
+ }
+
+#ifdef CONFIG_FSL_SGMII_RISER
+ fsl_sgmii_riser_init(tsec_info, num);
+#endif
+
+ tsec_eth_init(bis, tsec_info, num);
+
+ return 0;
+}
+#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();
+
+ fdt_fixup_memory(blob, (u64)base, (u64)size);
+
+#ifdef CONFIG_PCIE3
+ ft_fsl_pci_setup(blob, "pci0", &pcie3_hose);
+#endif
+#ifdef CONFIG_PCIE2
+ ft_fsl_pci_setup(blob, "pci1", &pcie2_hose);
+#endif
+#ifdef CONFIG_PCIE1
+ ft_fsl_pci_setup(blob, "pci2", &pcie1_hose);
+#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
generated by cgit (git 2.34.1) at 2024-12-26 20:07:54 +0000