mirror of
https://github.com/AsahiLinux/u-boot
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f1683aa73c
This allows us to use the same DRAM init function on all archs. Add a dummy function for arc, which does not use DRAM init here. Signed-off-by: Simon Glass <sjg@chromium.org> [trini: Dummy function on nios2] Signed-off-by: Tom Rini <trini@konsulko.com>
332 lines
6.7 KiB
C
332 lines
6.7 KiB
C
/*
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* Copyright 2007,2009-2011 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/immap_86xx.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 <i2c.h>
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#include <asm/io.h>
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#include <libfdt.h>
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#include <fdt_support.h>
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#include <spd_sdram.h>
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#include <netdev.h>
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DECLARE_GLOBAL_DATA_PTR;
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void sdram_init(void);
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phys_size_t fixed_sdram(void);
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int mpc8610hpcd_diu_init(void);
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/* called before any console output */
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int board_early_init_f(void)
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{
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volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
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volatile ccsr_gur_t *gur = &immap->im_gur;
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gur->gpiocr |= 0x88aa5500; /* DIU16, IR1, UART0, UART2 */
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return 0;
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}
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int misc_init_r(void)
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{
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u8 tmp_val, version;
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u8 *pixis_base = (u8 *)PIXIS_BASE;
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/*Do not use 8259PIC*/
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tmp_val = in_8(pixis_base + PIXIS_BRDCFG0);
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out_8(pixis_base + PIXIS_BRDCFG0, tmp_val | 0x80);
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/*For FPGA V7 or higher, set the IRQMAPSEL to 0 to use MAP0 interrupt*/
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version = in_8(pixis_base + PIXIS_PVER);
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if(version >= 0x07) {
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tmp_val = in_8(pixis_base + PIXIS_BRDCFG0);
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out_8(pixis_base + PIXIS_BRDCFG0, tmp_val & 0xbf);
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}
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/* Using this for DIU init before the driver in linux takes over
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* Enable the TFP410 Encoder (I2C address 0x38)
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*/
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tmp_val = 0xBF;
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i2c_write(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
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/* Verify if enabled */
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tmp_val = 0;
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i2c_read(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
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debug("DVI Encoder Read: 0x%02x\n", tmp_val);
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tmp_val = 0x10;
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i2c_write(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
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/* Verify if enabled */
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tmp_val = 0;
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i2c_read(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
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debug("DVI Encoder Read: 0x%02x\n", tmp_val);
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return 0;
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}
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int checkboard(void)
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{
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volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
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volatile ccsr_local_mcm_t *mcm = &immap->im_local_mcm;
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u8 *pixis_base = (u8 *)PIXIS_BASE;
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printf ("Board: MPC8610HPCD, 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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/*
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* The MPC8610 HPCD workbook says that LBMAP=11 is the "normal" boot
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* bank and LBMAP=00 is the alternate bank. However, the pixis
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* altbank code can only set bits, not clear them, so we treat 00 as
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* the normal bank and 11 as the alternate.
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*/
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switch (in_8(pixis_base + PIXIS_VBOOT) & 0xC0) {
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case 0:
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puts("vBank: Standard\n");
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break;
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case 0x40:
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puts("Promjet\n");
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break;
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case 0x80:
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puts("NAND\n");
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break;
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case 0xC0:
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puts("vBank: Alternate\n");
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break;
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}
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mcm->abcr |= 0x00010000; /* 0 */
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mcm->hpmr3 = 0x80000008; /* 4c */
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mcm->hpmr0 = 0;
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mcm->hpmr1 = 0;
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mcm->hpmr2 = 0;
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mcm->hpmr4 = 0;
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mcm->hpmr5 = 0;
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return 0;
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}
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int dram_init(void)
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{
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phys_size_t dram_size = 0;
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#if defined(CONFIG_SPD_EEPROM)
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dram_size = fsl_ddr_sdram();
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#else
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dram_size = fixed_sdram();
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#endif
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setup_ddr_bat(dram_size);
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debug(" DDR: ");
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gd->ram_size = dram_size;
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return 0;
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}
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#if !defined(CONFIG_SPD_EEPROM)
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/*
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* Fixed sdram init -- doesn't use serial presence detect.
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*/
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phys_size_t fixed_sdram(void)
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{
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#if !defined(CONFIG_SYS_RAMBOOT)
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volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
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struct ccsr_ddr __iomem *ddr = &immap->im_ddr1;
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uint d_init;
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ddr->cs0_bnds = 0x0000001f;
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ddr->cs0_config = 0x80010202;
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ddr->timing_cfg_3 = 0x00000000;
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ddr->timing_cfg_0 = 0x00260802;
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ddr->timing_cfg_1 = 0x3935d322;
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ddr->timing_cfg_2 = 0x14904cc8;
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ddr->sdram_mode = 0x00480432;
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ddr->sdram_mode_2 = 0x00000000;
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ddr->sdram_interval = 0x06180fff; /* 0x06180100; */
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ddr->sdram_data_init = 0xDEADBEEF;
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ddr->sdram_clk_cntl = 0x03800000;
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ddr->sdram_cfg_2 = 0x04400010;
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#if defined(CONFIG_DDR_ECC)
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ddr->err_int_en = 0x0000000d;
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ddr->err_disable = 0x00000000;
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ddr->err_sbe = 0x00010000;
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#endif
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asm("sync;isync");
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udelay(500);
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ddr->sdram_cfg = 0xc3000000; /* 0xe3008000;*/
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#if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
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d_init = 1;
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debug("DDR - 1st controller: memory initializing\n");
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/*
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* Poll until memory is initialized.
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* 512 Meg at 400 might hit this 200 times or so.
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*/
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while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0)
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udelay(1000);
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debug("DDR: memory initialized\n\n");
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asm("sync; isync");
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udelay(500);
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#endif
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return 512 * 1024 * 1024;
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#endif
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return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
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}
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#endif
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#if defined(CONFIG_PCI)
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/*
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* Initialize PCI Devices, report devices found.
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*/
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#ifndef CONFIG_PCI_PNP
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static struct pci_config_table pci_fsl86xxads_config_table[] = {
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{PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
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PCI_IDSEL_NUMBER, PCI_ANY_ID,
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pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
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PCI_ENET0_MEMADDR,
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PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER} },
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{}
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};
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#endif
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static struct pci_controller pci1_hose;
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#endif /* CONFIG_PCI */
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void pci_init_board(void)
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{
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volatile immap_t *immap = (immap_t *) CONFIG_SYS_CCSRBAR;
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volatile ccsr_gur_t *gur = &immap->im_gur;
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struct fsl_pci_info pci_info;
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u32 devdisr;
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int first_free_busno;
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int pci_agent;
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devdisr = in_be32(&gur->devdisr);
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first_free_busno = fsl_pcie_init_board(0);
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#ifdef CONFIG_PCI1
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if (!(devdisr & MPC86xx_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: connected to PCI slots as %s" \
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" (base address %lx)\n",
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pci_agent ? "Agent" : "Host",
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pci_info.regs);
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#ifndef CONFIG_PCI_PNP
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pci1_hose.config_table = pci_mpc86xxcts_config_table;
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#endif
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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, MPC86xx_DEVDISR_PCI1); /* disable */
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#endif
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fsl_pcie_init_board(first_free_busno);
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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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return 0;
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}
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#endif
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/*
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* get_board_sys_clk
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* Reads the FPGA on board for CONFIG_SYS_CLK_FREQ
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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;
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ulong val = 0;
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u8 *pixis_base = (u8 *)PIXIS_BASE;
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i = in_8(pixis_base + PIXIS_SPD);
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i &= 0x07;
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switch (i) {
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case 0:
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val = 33333000;
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break;
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case 1:
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val = 39999600;
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break;
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case 2:
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val = 49999500;
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break;
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case 3:
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val = 66666000;
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break;
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case 4:
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val = 83332500;
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break;
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case 5:
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val = 99999000;
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break;
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case 6:
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val = 133332000;
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break;
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case 7:
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val = 166665000;
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break;
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}
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return val;
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}
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int board_eth_init(bd_t *bis)
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{
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return pci_eth_init(bis);
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}
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void board_reset(void)
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{
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u8 *pixis_base = (u8 *)PIXIS_BASE;
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out_8(pixis_base + PIXIS_RST, 0);
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while (1)
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;
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}
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