mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-23 10:28:51 +09:00
![Simon Glass](/assets/img/avatar_default.png)
This function can fail if the device tree runs out of space. Rather than silently booting with an incomplete device tree, allow the failure to be detected. Unfortunately this involves changing a lot of places in the code. I have not changed behvaiour to return an error where one is not currently returned, to avoid unexpected breakage. Eventually it would be nice to allow boards to register functions to be called to update the device tree. This would avoid all the many functions to do this. However it's not clear yet if this should be done using driver model or with a linker list. This work is left for later. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Anatolij Gustschin <agust@denx.de>
321 lines
7.1 KiB
C
321 lines
7.1 KiB
C
/*
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* Copyright 2007,2009-2010 Freescale Semiconductor, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <command.h>
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#include <pci.h>
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#include <asm/processor.h>
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#include <asm/mmu.h>
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#include <asm/immap_85xx.h>
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#include <asm/fsl_pci.h>
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#include <fsl_ddr_sdram.h>
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#include <asm/fsl_serdes.h>
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#include <asm/io.h>
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#include <miiphy.h>
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#include <libfdt.h>
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#include <fdt_support.h>
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#include <fsl_mdio.h>
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#include <tsec.h>
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#include <netdev.h>
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#include "../common/sgmii_riser.h"
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int checkboard (void)
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{
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volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
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volatile ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR);
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u8 vboot;
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u8 *pixis_base = (u8 *)PIXIS_BASE;
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if ((uint)&gur->porpllsr != 0xe00e0000) {
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printf("immap size error %lx\n",(ulong)&gur->porpllsr);
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}
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printf ("Board: MPC8544DS, Sys ID: 0x%02x, "
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"Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
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in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER),
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in_8(pixis_base + PIXIS_PVER));
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vboot = in_8(pixis_base + PIXIS_VBOOT);
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if (vboot & PIXIS_VBOOT_FMAP)
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printf ("vBank: %d\n", ((vboot & PIXIS_VBOOT_FBANK) >> 6));
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else
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puts ("Promjet\n");
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lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */
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lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */
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ecm->eedr = 0xffffffff; /* Clear ecm errors */
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ecm->eeer = 0xffffffff; /* Enable ecm errors */
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return 0;
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}
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#ifdef CONFIG_PCI1
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static struct pci_controller pci1_hose;
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#endif
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#ifdef CONFIG_PCIE3
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static struct pci_controller pcie3_hose;
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#endif
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void pci_init_board(void)
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{
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volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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struct fsl_pci_info pci_info;
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u32 devdisr, pordevsr, io_sel;
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u32 porpllsr, pci_agent, pci_speed, pci_32, pci_arb, pci_clk_sel;
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int first_free_busno = 0;
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int pcie_ep, pcie_configured;
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devdisr = in_be32(&gur->devdisr);
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pordevsr = in_be32(&gur->pordevsr);
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porpllsr = in_be32(&gur->porpllsr);
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io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
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debug (" pci_init_board: devdisr=%x, io_sel=%x\n", devdisr, io_sel);
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puts("\n");
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#ifdef CONFIG_PCIE3
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pcie_configured = is_serdes_configured(PCIE3);
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if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)){
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/* contains both PCIE3 MEM & IO space */
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set_next_law(CONFIG_SYS_PCIE3_MEM_PHYS, LAW_SIZE_4M,
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LAW_TRGT_IF_PCIE_3);
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SET_STD_PCIE_INFO(pci_info, 3);
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pcie_ep = fsl_setup_hose(&pcie3_hose, pci_info.regs);
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/* outbound memory */
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pci_set_region(&pcie3_hose.regions[0],
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CONFIG_SYS_PCIE3_MEM_BUS2,
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CONFIG_SYS_PCIE3_MEM_PHYS2,
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CONFIG_SYS_PCIE3_MEM_SIZE2,
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PCI_REGION_MEM);
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pcie3_hose.region_count = 1;
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printf("PCIE3: connected to ULI as %s (base addr %lx)\n",
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pcie_ep ? "Endpoint" : "Root Complex",
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pci_info.regs);
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first_free_busno = fsl_pci_init_port(&pci_info,
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&pcie3_hose, first_free_busno);
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/*
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* Activate ULI1575 legacy chip by performing a fake
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* memory access. Needed to make ULI RTC work.
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*/
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in_be32((u32 *)CONFIG_SYS_PCIE3_MEM_BUS);
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} else {
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printf("PCIE3: disabled\n");
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}
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puts("\n");
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#else
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setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE3); /* disable */
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#endif
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#ifdef CONFIG_PCIE1
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SET_STD_PCIE_INFO(pci_info, 1);
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first_free_busno = fsl_pcie_init_ctrl(first_free_busno, devdisr, PCIE1, &pci_info);
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#else
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setbits_be32(&gur->devdisr, _DEVDISR_PCIE1); /* disable */
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#endif
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#ifdef CONFIG_PCIE2
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SET_STD_PCIE_INFO(pci_info, 2);
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first_free_busno = fsl_pcie_init_ctrl(first_free_busno, devdisr, PCIE2, &pci_info);
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#else
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setbits_be32(&gur->devdisr, _DEVDISR_PCIE2); /* disable */
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#endif
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#ifdef CONFIG_PCI1
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pci_speed = 66666000;
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pci_32 = 1;
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pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;
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pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;
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if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
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SET_STD_PCI_INFO(pci_info, 1);
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set_next_law(pci_info.mem_phys,
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law_size_bits(pci_info.mem_size), pci_info.law);
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set_next_law(pci_info.io_phys,
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law_size_bits(pci_info.io_size), pci_info.law);
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pci_agent = fsl_setup_hose(&pci1_hose, pci_info.regs);
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printf("PCI: %d bit, %s MHz, %s, %s, %s (base address %lx)\n",
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(pci_32) ? 32 : 64,
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(pci_speed == 33333000) ? "33" :
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(pci_speed == 66666000) ? "66" : "unknown",
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pci_clk_sel ? "sync" : "async",
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pci_agent ? "agent" : "host",
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pci_arb ? "arbiter" : "external-arbiter",
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pci_info.regs);
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first_free_busno = fsl_pci_init_port(&pci_info,
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&pci1_hose, first_free_busno);
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} else {
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printf("PCI: disabled\n");
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}
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puts("\n");
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#else
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setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */
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#endif
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}
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int last_stage_init(void)
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{
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return 0;
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}
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unsigned long
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get_board_sys_clk(ulong dummy)
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{
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u8 i, go_bit, rd_clks;
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ulong val = 0;
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u8 *pixis_base = (u8 *)PIXIS_BASE;
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go_bit = in_8(pixis_base + PIXIS_VCTL);
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go_bit &= 0x01;
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rd_clks = in_8(pixis_base + PIXIS_VCFGEN0);
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rd_clks &= 0x1C;
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/*
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* Only if both go bit and the SCLK bit in VCFGEN0 are set
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* should we be using the AUX register. Remember, we also set the
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* GO bit to boot from the alternate bank on the on-board flash
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*/
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if (go_bit) {
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if (rd_clks == 0x1c)
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i = in_8(pixis_base + PIXIS_AUX);
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else
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i = in_8(pixis_base + PIXIS_SPD);
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} else {
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i = in_8(pixis_base + PIXIS_SPD);
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}
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i &= 0x07;
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switch (i) {
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case 0:
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val = 33333333;
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break;
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case 1:
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val = 40000000;
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break;
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case 2:
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val = 50000000;
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break;
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case 3:
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val = 66666666;
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break;
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case 4:
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val = 83000000;
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break;
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case 5:
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val = 100000000;
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break;
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case 6:
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val = 133333333;
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break;
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case 7:
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val = 166666666;
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break;
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}
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return val;
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}
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#define MIIM_CIS8204_SLED_CON 0x1b
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#define MIIM_CIS8204_SLEDCON_INIT 0x1115
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/*
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* Hack to write all 4 PHYs with the LED values
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*/
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int board_phy_config(struct phy_device *phydev)
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{
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static int do_once;
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uint phyid;
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struct mii_dev *bus = phydev->bus;
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if (phydev->drv->config)
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phydev->drv->config(phydev);
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if (do_once)
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return 0;
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for (phyid = 0; phyid < 4; phyid++)
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bus->write(bus, phyid, MDIO_DEVAD_NONE, MIIM_CIS8204_SLED_CON,
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MIIM_CIS8204_SLEDCON_INIT);
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do_once = 1;
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return 0;
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}
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int board_eth_init(bd_t *bis)
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{
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#ifdef CONFIG_TSEC_ENET
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struct fsl_pq_mdio_info mdio_info;
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struct tsec_info_struct tsec_info[2];
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int num = 0;
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#ifdef CONFIG_TSEC1
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SET_STD_TSEC_INFO(tsec_info[num], 1);
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if (is_serdes_configured(SGMII_TSEC1)) {
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puts("eTSEC1 is in sgmii mode.\n");
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tsec_info[num].flags |= TSEC_SGMII;
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}
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num++;
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#endif
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#ifdef CONFIG_TSEC3
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SET_STD_TSEC_INFO(tsec_info[num], 3);
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if (is_serdes_configured(SGMII_TSEC3)) {
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puts("eTSEC3 is in sgmii mode.\n");
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tsec_info[num].flags |= TSEC_SGMII;
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}
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num++;
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#endif
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if (!num) {
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printf("No TSECs initialized\n");
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return 0;
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}
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if (is_serdes_configured(SGMII_TSEC1) ||
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is_serdes_configured(SGMII_TSEC3)) {
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fsl_sgmii_riser_init(tsec_info, num);
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}
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mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
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mdio_info.name = DEFAULT_MII_NAME;
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fsl_pq_mdio_init(bis, &mdio_info);
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tsec_eth_init(bis, tsec_info, num);
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#endif
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return pci_eth_init(bis);
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}
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#if defined(CONFIG_OF_BOARD_SETUP)
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int ft_board_setup(void *blob, bd_t *bd)
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{
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ft_cpu_setup(blob, bd);
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FT_FSL_PCI_SETUP;
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#ifdef CONFIG_FSL_SGMII_RISER
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fsl_sgmii_riser_fdt_fixup(blob);
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#endif
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return 0;
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}
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#endif
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