1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2008-2012 Freescale Semiconductor, Inc.
9 #include <asm/processor.h>
11 #include <asm/cache.h>
12 #include <asm/immap_85xx.h>
13 #include <asm/fsl_pci.h>
14 #include <fsl_ddr_sdram.h>
16 #include <asm/fsl_serdes.h>
19 #include <linux/libfdt.h>
20 #include <spd_sdram.h>
21 #include <fdt_support.h>
27 #include "../common/sgmii_riser.h"
29 int board_early_init_f (void)
32 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
34 setbits_be32(&gur->pmuxcr,
35 (MPC85xx_PMUXCR_SDHC_CD |
36 MPC85xx_PMUXCR_SDHC_WP));
38 /* The MPC8536DS board insert the SDHC_WP pin for erratum NMG_eSDHC118,
39 * however, this erratum only applies to MPC8536 Rev1.0.
40 * So set SDHC_WP to active-low when use MPC8536 Rev1.1 and greater.*/
41 if ((((SVR_MAJ(get_svr()) & 0x7) == 0x1) &&
42 (SVR_MIN(get_svr()) >= 0x1))
43 || (SVR_MAJ(get_svr() & 0x7) > 0x1))
44 setbits_be32(&gur->gencfgr, MPC85xx_GENCFGR_SDHC_WP_INV);
52 u8 *pixis_base = (u8 *)PIXIS_BASE;
54 printf("Board: MPC8536DS Sys ID: 0x%02x, "
55 "Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
56 in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER),
57 in_8(pixis_base + PIXIS_PVER));
59 vboot = in_8(pixis_base + PIXIS_VBOOT);
60 switch ((vboot & PIXIS_VBOOT_LBMAP) >> 5) {
61 case PIXIS_VBOOT_LBMAP_NOR0:
64 case PIXIS_VBOOT_LBMAP_NOR1:
67 case PIXIS_VBOOT_LBMAP_NOR2:
70 case PIXIS_VBOOT_LBMAP_NOR3:
73 case PIXIS_VBOOT_LBMAP_PJET:
76 case PIXIS_VBOOT_LBMAP_NAND:
84 #if !defined(CONFIG_SPD_EEPROM)
86 * Fixed sdram init -- doesn't use serial presence detect.
89 phys_size_t fixed_sdram (void)
91 volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
92 struct ccsr_ddr __iomem *ddr = &immap->im_ddr;
95 ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
96 ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
98 ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
99 ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
100 ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
101 ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
102 ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
103 ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
104 ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
105 ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
106 ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
107 ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;
109 #if defined (CONFIG_DDR_ECC)
110 ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
111 ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
112 ddr->err_sbe = CONFIG_SYS_DDR_SBE;
118 ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
120 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
122 debug("DDR - 1st controller: memory initializing\n");
124 * Poll until memory is initialized.
125 * 512 Meg at 400 might hit this 200 times or so.
127 while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
130 debug("DDR: memory initialized\n\n");
135 return 512 * 1024 * 1024;
141 static struct pci_controller pci1_hose;
145 void pci_init_board(void)
147 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
148 struct fsl_pci_info pci_info;
149 u32 devdisr, pordevsr;
150 u32 porpllsr, pci_agent, pci_speed, pci_32, pci_arb, pci_clk_sel;
151 int first_free_busno;
153 first_free_busno = fsl_pcie_init_board(0);
156 devdisr = in_be32(&gur->devdisr);
157 pordevsr = in_be32(&gur->pordevsr);
158 porpllsr = in_be32(&gur->porpllsr);
160 pci_speed = 66666000;
162 pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;
163 pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;
165 if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
166 SET_STD_PCI_INFO(pci_info, 1);
167 set_next_law(pci_info.mem_phys,
168 law_size_bits(pci_info.mem_size), pci_info.law);
169 set_next_law(pci_info.io_phys,
170 law_size_bits(pci_info.io_size), pci_info.law);
172 pci_agent = fsl_setup_hose(&pci1_hose, pci_info.regs);
173 printf("PCI: %d bit, %s MHz, %s, %s, %s (base address %lx)\n",
175 (pci_speed == 33333000) ? "33" :
176 (pci_speed == 66666000) ? "66" : "unknown",
177 pci_clk_sel ? "sync" : "async",
178 pci_agent ? "agent" : "host",
179 pci_arb ? "arbiter" : "external-arbiter",
182 first_free_busno = fsl_pci_init_port(&pci_info,
183 &pci1_hose, first_free_busno);
185 printf("PCI: disabled\n");
190 setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */
195 int board_early_init_r(void)
197 const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
198 int flash_esel = find_tlb_idx((void *)flashbase, 1);
201 * Remap Boot flash + PROMJET region to caching-inhibited
202 * so that flash can be erased properly.
205 /* Flush d-cache and invalidate i-cache of any FLASH data */
209 if (flash_esel == -1) {
210 /* very unlikely unless something is messed up */
211 puts("Error: Could not find TLB for FLASH BASE\n");
212 flash_esel = 1; /* give our best effort to continue */
214 /* invalidate existing TLB entry for flash + promjet */
215 disable_tlb(flash_esel);
218 set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */
219 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */
220 0, flash_esel, BOOKE_PAGESZ_256M, 1); /* ts, esel, tsize, iprot */
225 int board_eth_init(bd_t *bis)
227 #ifdef CONFIG_TSEC_ENET
228 struct fsl_pq_mdio_info mdio_info;
229 struct tsec_info_struct tsec_info[2];
233 SET_STD_TSEC_INFO(tsec_info[num], 1);
234 if (is_serdes_configured(SGMII_TSEC1)) {
235 puts("eTSEC1 is in sgmii mode.\n");
236 tsec_info[num].phyaddr = 0;
237 tsec_info[num].flags |= TSEC_SGMII;
242 SET_STD_TSEC_INFO(tsec_info[num], 3);
243 if (is_serdes_configured(SGMII_TSEC3)) {
244 puts("eTSEC3 is in sgmii mode.\n");
245 tsec_info[num].phyaddr = 1;
246 tsec_info[num].flags |= TSEC_SGMII;
252 printf("No TSECs initialized\n");
256 #ifdef CONFIG_FSL_SGMII_RISER
257 if (is_serdes_configured(SGMII_TSEC1) ||
258 is_serdes_configured(SGMII_TSEC3)) {
259 fsl_sgmii_riser_init(tsec_info, num);
263 mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
264 mdio_info.name = DEFAULT_MII_NAME;
265 fsl_pq_mdio_init(bis, &mdio_info);
267 tsec_eth_init(bis, tsec_info, num);
269 return pci_eth_init(bis);
272 #if defined(CONFIG_OF_BOARD_SETUP)
273 int ft_board_setup(void *blob, bd_t *bd)
275 ft_cpu_setup(blob, bd);
279 #ifdef CONFIG_FSL_SGMII_RISER
280 fsl_sgmii_riser_fdt_fixup(blob);
283 #ifdef CONFIG_HAS_FSL_MPH_USB
284 fsl_fdt_fixup_dr_usb(blob, bd);