| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright 2007,2009-2011 Freescale Semiconductor, Inc. |
| * |
| * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com> |
| */ |
| |
| #include <common.h> |
| #include <flash.h> |
| #include <init.h> |
| #include <log.h> |
| #include <pci.h> |
| #include <asm/processor.h> |
| #include <asm/mmu.h> |
| #include <asm/immap_85xx.h> |
| #include <asm/fsl_pci.h> |
| #include <fsl_ddr_sdram.h> |
| #include <asm/fsl_serdes.h> |
| #include <spd_sdram.h> |
| #include <i2c.h> |
| #include <ioports.h> |
| #include <linux/delay.h> |
| #include <linux/libfdt.h> |
| #include <fdt_support.h> |
| |
| #include "bcsr.h" |
| |
| const qe_iop_conf_t qe_iop_conf_tab[] = { |
| /* GETH1 */ |
| {4, 10, 1, 0, 2}, /* TxD0 */ |
| {4, 9, 1, 0, 2}, /* TxD1 */ |
| {4, 8, 1, 0, 2}, /* TxD2 */ |
| {4, 7, 1, 0, 2}, /* TxD3 */ |
| {4, 23, 1, 0, 2}, /* TxD4 */ |
| {4, 22, 1, 0, 2}, /* TxD5 */ |
| {4, 21, 1, 0, 2}, /* TxD6 */ |
| {4, 20, 1, 0, 2}, /* TxD7 */ |
| {4, 15, 2, 0, 2}, /* RxD0 */ |
| {4, 14, 2, 0, 2}, /* RxD1 */ |
| {4, 13, 2, 0, 2}, /* RxD2 */ |
| {4, 12, 2, 0, 2}, /* RxD3 */ |
| {4, 29, 2, 0, 2}, /* RxD4 */ |
| {4, 28, 2, 0, 2}, /* RxD5 */ |
| {4, 27, 2, 0, 2}, /* RxD6 */ |
| {4, 26, 2, 0, 2}, /* RxD7 */ |
| {4, 11, 1, 0, 2}, /* TX_EN */ |
| {4, 24, 1, 0, 2}, /* TX_ER */ |
| {4, 16, 2, 0, 2}, /* RX_DV */ |
| {4, 30, 2, 0, 2}, /* RX_ER */ |
| {4, 17, 2, 0, 2}, /* RX_CLK */ |
| {4, 19, 1, 0, 2}, /* GTX_CLK */ |
| {1, 31, 2, 0, 3}, /* GTX125 */ |
| |
| /* GETH2 */ |
| {5, 10, 1, 0, 2}, /* TxD0 */ |
| {5, 9, 1, 0, 2}, /* TxD1 */ |
| {5, 8, 1, 0, 2}, /* TxD2 */ |
| {5, 7, 1, 0, 2}, /* TxD3 */ |
| {5, 23, 1, 0, 2}, /* TxD4 */ |
| {5, 22, 1, 0, 2}, /* TxD5 */ |
| {5, 21, 1, 0, 2}, /* TxD6 */ |
| {5, 20, 1, 0, 2}, /* TxD7 */ |
| {5, 15, 2, 0, 2}, /* RxD0 */ |
| {5, 14, 2, 0, 2}, /* RxD1 */ |
| {5, 13, 2, 0, 2}, /* RxD2 */ |
| {5, 12, 2, 0, 2}, /* RxD3 */ |
| {5, 29, 2, 0, 2}, /* RxD4 */ |
| {5, 28, 2, 0, 2}, /* RxD5 */ |
| {5, 27, 2, 0, 3}, /* RxD6 */ |
| {5, 26, 2, 0, 2}, /* RxD7 */ |
| {5, 11, 1, 0, 2}, /* TX_EN */ |
| {5, 24, 1, 0, 2}, /* TX_ER */ |
| {5, 16, 2, 0, 2}, /* RX_DV */ |
| {5, 30, 2, 0, 2}, /* RX_ER */ |
| {5, 17, 2, 0, 2}, /* RX_CLK */ |
| {5, 19, 1, 0, 2}, /* GTX_CLK */ |
| {1, 31, 2, 0, 3}, /* GTX125 */ |
| {4, 6, 3, 0, 2}, /* MDIO */ |
| {4, 5, 1, 0, 2}, /* MDC */ |
| |
| /* UART1 */ |
| {2, 0, 1, 0, 2}, /* UART_SOUT1 */ |
| {2, 1, 1, 0, 2}, /* UART_RTS1 */ |
| {2, 2, 2, 0, 2}, /* UART_CTS1 */ |
| {2, 3, 2, 0, 2}, /* UART_SIN1 */ |
| |
| {0, 0, 0, 0, QE_IOP_TAB_END}, /* END of table */ |
| }; |
| |
| void local_bus_init(void); |
| |
| int board_early_init_f (void) |
| { |
| /* |
| * Initialize local bus. |
| */ |
| local_bus_init (); |
| |
| enable_8568mds_duart(); |
| enable_8568mds_flash_write(); |
| #if defined(CONFIG_UEC_ETH1) || defined(CONFIG_UEC_ETH2) |
| reset_8568mds_uccs(); |
| #endif |
| #if defined(CONFIG_QE) && !defined(CONFIG_eTSEC_MDIO_BUS) |
| enable_8568mds_qe_mdio(); |
| #endif |
| |
| #ifdef CONFIG_SYS_I2C2_OFFSET |
| /* Enable I2C2_SCL and I2C2_SDA */ |
| volatile struct par_io *port_c; |
| port_c = (struct par_io*)(CONFIG_SYS_IMMR + 0xe0140); |
| port_c->cpdir2 |= 0x0f000000; |
| port_c->cppar2 &= ~0x0f000000; |
| port_c->cppar2 |= 0x0a000000; |
| #endif |
| |
| return 0; |
| } |
| |
| int checkboard (void) |
| { |
| printf ("Board: 8568 MDS\n"); |
| |
| return 0; |
| } |
| |
| /* |
| * Initialize Local Bus |
| */ |
| void |
| local_bus_init(void) |
| { |
| volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
| volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; |
| |
| uint clkdiv; |
| sys_info_t sysinfo; |
| |
| get_sys_info(&sysinfo); |
| clkdiv = (lbc->lcrr & LCRR_CLKDIV) * 2; |
| |
| gur->lbiuiplldcr1 = 0x00078080; |
| if (clkdiv == 16) { |
| gur->lbiuiplldcr0 = 0x7c0f1bf0; |
| } else if (clkdiv == 8) { |
| gur->lbiuiplldcr0 = 0x6c0f1bf0; |
| } else if (clkdiv == 4) { |
| gur->lbiuiplldcr0 = 0x5c0f1bf0; |
| } |
| |
| lbc->lcrr |= 0x00030000; |
| |
| asm("sync;isync;msync"); |
| } |
| |
| /* |
| * Initialize SDRAM memory on the Local Bus. |
| */ |
| void lbc_sdram_init(void) |
| { |
| #if defined(CONFIG_SYS_OR2_PRELIM) && defined(CONFIG_SYS_BR2_PRELIM) |
| |
| uint idx; |
| volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; |
| uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE; |
| uint lsdmr_common; |
| |
| puts("LBC SDRAM: "); |
| print_size(CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024, |
| "\n "); |
| |
| /* |
| * Setup SDRAM Base and Option Registers |
| */ |
| set_lbc_or(2, CONFIG_SYS_OR2_PRELIM); |
| set_lbc_br(2, CONFIG_SYS_BR2_PRELIM); |
| asm("msync"); |
| |
| lbc->lbcr = CONFIG_SYS_LBC_LBCR; |
| asm("msync"); |
| |
| lbc->lsrt = CONFIG_SYS_LBC_LSRT; |
| lbc->mrtpr = CONFIG_SYS_LBC_MRTPR; |
| asm("msync"); |
| |
| /* |
| * MPC8568 uses "new" 15-16 style addressing. |
| */ |
| lsdmr_common = CONFIG_SYS_LBC_LSDMR_COMMON; |
| lsdmr_common |= LSDMR_BSMA1516; |
| |
| /* |
| * Issue PRECHARGE ALL command. |
| */ |
| lbc->lsdmr = lsdmr_common | LSDMR_OP_PCHALL; |
| asm("sync;msync"); |
| *sdram_addr = 0xff; |
| ppcDcbf((unsigned long) sdram_addr); |
| udelay(100); |
| |
| /* |
| * Issue 8 AUTO REFRESH commands. |
| */ |
| for (idx = 0; idx < 8; idx++) { |
| lbc->lsdmr = lsdmr_common | LSDMR_OP_ARFRSH; |
| asm("sync;msync"); |
| *sdram_addr = 0xff; |
| ppcDcbf((unsigned long) sdram_addr); |
| udelay(100); |
| } |
| |
| /* |
| * Issue 8 MODE-set command. |
| */ |
| lbc->lsdmr = lsdmr_common | LSDMR_OP_MRW; |
| asm("sync;msync"); |
| *sdram_addr = 0xff; |
| ppcDcbf((unsigned long) sdram_addr); |
| udelay(100); |
| |
| /* |
| * Issue NORMAL OP command. |
| */ |
| lbc->lsdmr = lsdmr_common | LSDMR_OP_NORMAL; |
| asm("sync;msync"); |
| *sdram_addr = 0xff; |
| ppcDcbf((unsigned long) sdram_addr); |
| udelay(200); /* Overkill. Must wait > 200 bus cycles */ |
| |
| #endif /* enable SDRAM init */ |
| } |
| |
| #if defined(CONFIG_PCI) |
| #ifndef CONFIG_PCI_PNP |
| static struct pci_config_table pci_mpc8568mds_config_table[] = { |
| { |
| PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, |
| pci_cfgfunc_config_device, |
| {PCI_ENET0_IOADDR, |
| PCI_ENET0_MEMADDR, |
| PCI_COMMON_MEMORY | PCI_COMMAND_MASTER} |
| }, |
| {} |
| }; |
| #endif |
| |
| static struct pci_controller pci1_hose; |
| #endif /* CONFIG_PCI */ |
| |
| /* |
| * pib_init() -- Initialize the PCA9555 IO expander on the PIB board |
| */ |
| void |
| pib_init(void) |
| { |
| u8 val8, orig_i2c_bus; |
| /* |
| * Assign PIB PMC2/3 to PCI bus |
| */ |
| |
| /*switch temporarily to I2C bus #2 */ |
| orig_i2c_bus = i2c_get_bus_num(); |
| i2c_set_bus_num(1); |
| |
| val8 = 0x00; |
| i2c_write(0x23, 0x6, 1, &val8, 1); |
| i2c_write(0x23, 0x7, 1, &val8, 1); |
| val8 = 0xff; |
| i2c_write(0x23, 0x2, 1, &val8, 1); |
| i2c_write(0x23, 0x3, 1, &val8, 1); |
| |
| val8 = 0x00; |
| i2c_write(0x26, 0x6, 1, &val8, 1); |
| val8 = 0x34; |
| i2c_write(0x26, 0x7, 1, &val8, 1); |
| val8 = 0xf9; |
| i2c_write(0x26, 0x2, 1, &val8, 1); |
| val8 = 0xff; |
| i2c_write(0x26, 0x3, 1, &val8, 1); |
| |
| val8 = 0x00; |
| i2c_write(0x27, 0x6, 1, &val8, 1); |
| i2c_write(0x27, 0x7, 1, &val8, 1); |
| val8 = 0xff; |
| i2c_write(0x27, 0x2, 1, &val8, 1); |
| val8 = 0xef; |
| i2c_write(0x27, 0x3, 1, &val8, 1); |
| |
| asm("eieio"); |
| i2c_set_bus_num(orig_i2c_bus); |
| } |
| |
| #ifdef CONFIG_PCI |
| void pci_init_board(void) |
| { |
| volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
| int first_free_busno = 0; |
| #ifdef CONFIG_PCI1 |
| struct fsl_pci_info pci_info; |
| u32 devdisr, pordevsr, io_sel; |
| u32 porpllsr, pci_agent, pci_speed, pci_32, pci_arb, pci_clk_sel; |
| |
| devdisr = in_be32(&gur->devdisr); |
| pordevsr = in_be32(&gur->pordevsr); |
| porpllsr = in_be32(&gur->porpllsr); |
| io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19; |
| |
| debug(" %s: devdisr=%x, io_sel=%x\n", __func__, devdisr, io_sel); |
| |
| pci_speed = 66666000; |
| pci_32 = 1; |
| pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; |
| pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; |
| |
| if (!(devdisr & MPC85xx_DEVDISR_PCI1)) { |
| SET_STD_PCI_INFO(pci_info, 1); |
| set_next_law(pci_info.mem_phys, |
| law_size_bits(pci_info.mem_size), pci_info.law); |
| set_next_law(pci_info.io_phys, |
| law_size_bits(pci_info.io_size), pci_info.law); |
| |
| pci_agent = fsl_setup_hose(&pci1_hose, pci_info.regs); |
| printf("PCI: %d bit, %s MHz, %s, %s, %s (base address %lx)\n", |
| (pci_32) ? 32 : 64, |
| (pci_speed == 33333000) ? "33" : |
| (pci_speed == 66666000) ? "66" : "unknown", |
| pci_clk_sel ? "sync" : "async", |
| pci_agent ? "agent" : "host", |
| pci_arb ? "arbiter" : "external-arbiter", |
| pci_info.regs); |
| |
| #ifndef CONFIG_PCI_PNP |
| pci1_hose.config_table = pci_mpc8568mds_config_table; |
| #endif |
| first_free_busno = fsl_pci_init_port(&pci_info, |
| &pci1_hose, first_free_busno); |
| } else { |
| printf("PCI: disabled\n"); |
| } |
| |
| puts("\n"); |
| #else |
| setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */ |
| #endif |
| |
| fsl_pcie_init_board(first_free_busno); |
| } |
| #endif /* CONFIG_PCI */ |
| |
| #if defined(CONFIG_OF_BOARD_SETUP) |
| int ft_board_setup(void *blob, bd_t *bd) |
| { |
| ft_cpu_setup(blob, bd); |
| |
| FT_FSL_PCI_SETUP; |
| |
| return 0; |
| } |
| #endif |