| /* |
| * Copyright 2007 Freescale Semiconductor. |
| * |
| * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com> |
| * |
| * 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 <pci.h> |
| #include <asm/processor.h> |
| #include <asm/immap_85xx.h> |
| #include <asm/immap_fsl_pci.h> |
| #include <spd.h> |
| #include <i2c.h> |
| #include <ioports.h> |
| #include <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 */ |
| {0, 0, 0, 0, QE_IOP_TAB_END}, /* END of table */ |
| }; |
| |
| |
| #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) |
| extern void ddr_enable_ecc(unsigned int dram_size); |
| #endif |
| |
| extern long int spd_sdram(void); |
| |
| void local_bus_init(void); |
| void sdram_init(void); |
| |
| int board_early_init_f (void) |
| { |
| /* |
| * Initialize local bus. |
| */ |
| local_bus_init (); |
| |
| enable_8568mds_duart(); |
| enable_8568mds_flash_write(); |
| #if defined(CONFIG_QE) && !defined(CONFIG_eTSEC_MDIO_BUS) |
| enable_8568mds_qe_mdio(); |
| #endif |
| |
| #ifdef CFG_I2C2_OFFSET |
| /* Enable I2C2_SCL and I2C2_SDA */ |
| volatile struct par_io *port_c; |
| port_c = (struct par_io*)(CFG_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; |
| } |
| |
| long int |
| initdram(int board_type) |
| { |
| long dram_size = 0; |
| |
| puts("Initializing\n"); |
| |
| #if defined(CONFIG_DDR_DLL) |
| { |
| /* |
| * Work around to stabilize DDR DLL MSYNC_IN. |
| * Errata DDR9 seems to have been fixed. |
| * This is now the workaround for Errata DDR11: |
| * Override DLL = 1, Course Adj = 1, Tap Select = 0 |
| */ |
| |
| volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); |
| |
| gur->ddrdllcr = 0x81000000; |
| asm("sync;isync;msync"); |
| udelay(200); |
| } |
| #endif |
| dram_size = spd_sdram(); |
| |
| #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) |
| /* |
| * Initialize and enable DDR ECC. |
| */ |
| ddr_enable_ecc(dram_size); |
| #endif |
| /* |
| * SDRAM Initialization |
| */ |
| sdram_init(); |
| |
| puts(" DDR: "); |
| return dram_size; |
| } |
| |
| /* |
| * Initialize Local Bus |
| */ |
| void |
| local_bus_init(void) |
| { |
| volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); |
| volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR); |
| |
| uint clkdiv; |
| uint lbc_hz; |
| sys_info_t sysinfo; |
| |
| get_sys_info(&sysinfo); |
| clkdiv = (lbc->lcrr & 0x0f) * 2; |
| lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv; |
| |
| 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 |
| sdram_init(void) |
| { |
| #if defined(CFG_OR2_PRELIM) && defined(CFG_BR2_PRELIM) |
| |
| uint idx; |
| volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR); |
| uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE; |
| uint lsdmr_common; |
| |
| puts(" SDRAM: "); |
| |
| print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n"); |
| |
| /* |
| * Setup SDRAM Base and Option Registers |
| */ |
| lbc->or2 = CFG_OR2_PRELIM; |
| asm("msync"); |
| |
| lbc->br2 = CFG_BR2_PRELIM; |
| asm("msync"); |
| |
| lbc->lbcr = CFG_LBC_LBCR; |
| asm("msync"); |
| |
| |
| lbc->lsrt = CFG_LBC_LSRT; |
| lbc->mrtpr = CFG_LBC_MRTPR; |
| asm("msync"); |
| |
| /* |
| * MPC8568 uses "new" 15-16 style addressing. |
| */ |
| lsdmr_common = CFG_LBC_LSDMR_COMMON; |
| lsdmr_common |= CFG_LBC_LSDMR_BSMA1516; |
| |
| /* |
| * Issue PRECHARGE ALL command. |
| */ |
| lbc->lsdmr = lsdmr_common | CFG_LBC_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 | CFG_LBC_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 | CFG_LBC_LSDMR_OP_MRW; |
| asm("sync;msync"); |
| *sdram_addr = 0xff; |
| ppcDcbf((unsigned long) sdram_addr); |
| udelay(100); |
| |
| /* |
| * Issue NORMAL OP command. |
| */ |
| lbc->lsdmr = lsdmr_common | CFG_LBC_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(CFG_DRAM_TEST) |
| int |
| testdram(void) |
| { |
| uint *pstart = (uint *) CFG_MEMTEST_START; |
| uint *pend = (uint *) CFG_MEMTEST_END; |
| uint *p; |
| |
| printf("Testing DRAM from 0x%08x to 0x%08x\n", |
| CFG_MEMTEST_START, |
| CFG_MEMTEST_END); |
| |
| printf("DRAM test phase 1:\n"); |
| for (p = pstart; p < pend; p++) |
| *p = 0xaaaaaaaa; |
| |
| for (p = pstart; p < pend; p++) { |
| if (*p != 0xaaaaaaaa) { |
| printf ("DRAM test fails at: %08x\n", (uint) p); |
| return 1; |
| } |
| } |
| |
| printf("DRAM test phase 2:\n"); |
| for (p = pstart; p < pend; p++) |
| *p = 0x55555555; |
| |
| for (p = pstart; p < pend; p++) { |
| if (*p != 0x55555555) { |
| printf ("DRAM test fails at: %08x\n", (uint) p); |
| return 1; |
| } |
| } |
| |
| printf("DRAM test passed.\n"); |
| return 0; |
| } |
| #endif |
| |
| #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 = { |
| #ifndef CONFIG_PCI_PNP |
| config_table: pci_mpc8568mds_config_table, |
| #endif |
| }; |
| #endif /* CONFIG_PCI */ |
| |
| #ifdef CONFIG_PCIE1 |
| static struct pci_controller pcie1_hose; |
| #endif /* CONFIG_PCIE1 */ |
| |
| int first_free_busno = 0; |
| |
| /* |
| * 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"); |
| } |
| |
| #ifdef CONFIG_PCI |
| void |
| pci_init_board(void) |
| { |
| volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); |
| uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19; |
| uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16; |
| |
| #ifdef CONFIG_PCI1 |
| { |
| pib_init(); |
| |
| volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR; |
| extern void fsl_pci_init(struct pci_controller *hose); |
| struct pci_controller *hose = &pci1_hose; |
| |
| uint pci_32 = 1; /* PORDEVSR[15] */ |
| uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */ |
| uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */ |
| |
| uint pci_agent = (host_agent == 3) || (host_agent == 4 ) || (host_agent == 6); |
| |
| uint pci_speed = 66666000; |
| |
| if (!(gur->devdisr & MPC85xx_DEVDISR_PCI1)) { |
| printf (" PCI: %d bit, %s MHz, %s, %s, %s\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" |
| ); |
| |
| /* inbound */ |
| pci_set_region(hose->regions + 0, |
| CFG_PCI_MEMORY_BUS, |
| CFG_PCI_MEMORY_PHYS, |
| CFG_PCI_MEMORY_SIZE, |
| PCI_REGION_MEM | PCI_REGION_MEMORY); |
| |
| /* outbound memory */ |
| pci_set_region(hose->regions + 1, |
| CFG_PCI1_MEM_BASE, |
| CFG_PCI1_MEM_PHYS, |
| CFG_PCI1_MEM_SIZE, |
| PCI_REGION_MEM); |
| |
| /* outbound io */ |
| pci_set_region(hose->regions + 2, |
| CFG_PCI1_IO_BASE, |
| CFG_PCI1_IO_PHYS, |
| CFG_PCI1_IO_SIZE, |
| PCI_REGION_IO); |
| |
| hose->region_count = 3; |
| |
| 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 ("PCI on bus %02x - %02x\n",hose->first_busno,hose->last_busno); |
| } else { |
| printf (" PCI: disabled\n"); |
| } |
| } |
| #else |
| gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */ |
| #endif |
| |
| #ifdef CONFIG_PCIE1 |
| { |
| volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE1_ADDR; |
| extern void fsl_pci_init(struct pci_controller *hose); |
| struct pci_controller *hose = &pcie1_hose; |
| int pcie_ep = (host_agent == 0) || (host_agent == 2 ) || (host_agent == 3); |
| |
| int pcie_configured = io_sel >= 1; |
| |
| if (pcie_configured && !(gur->devdisr & MPC85xx_DEVDISR_PCIE)){ |
| printf ("\n PCIE connected to slot as %s (base address %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 */ |
| pci_set_region(hose->regions + 0, |
| CFG_PCI_MEMORY_BUS, |
| CFG_PCI_MEMORY_PHYS, |
| CFG_PCI_MEMORY_SIZE, |
| PCI_REGION_MEM | PCI_REGION_MEMORY); |
| |
| /* outbound memory */ |
| pci_set_region(hose->regions + 1, |
| CFG_PCIE1_MEM_BASE, |
| CFG_PCIE1_MEM_PHYS, |
| CFG_PCIE1_MEM_SIZE, |
| PCI_REGION_MEM); |
| |
| /* outbound io */ |
| pci_set_region(hose->regions + 2, |
| CFG_PCIE1_IO_BASE, |
| CFG_PCIE1_IO_PHYS, |
| CFG_PCIE1_IO_SIZE, |
| PCI_REGION_IO); |
| |
| hose->region_count = 3; |
| |
| hose->first_busno=first_free_busno; |
| pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data); |
| |
| fsl_pci_init(hose); |
| printf ("PCIE on bus %02x - %02x\n",hose->first_busno,hose->last_busno); |
| |
| first_free_busno=hose->last_busno+1; |
| |
| } else { |
| printf (" PCIE: disabled\n"); |
| } |
| } |
| #else |
| gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */ |
| #endif |
| } |
| #endif /* CONFIG_PCI */ |
| |
| #if defined(CONFIG_OF_BOARD_SETUP) |
| void |
| ft_board_setup(void *blob, bd_t *bd) |
| { |
| int node, tmp[2]; |
| const char *path; |
| |
| ft_cpu_setup(blob, bd); |
| |
| node = fdt_path_offset(blob, "/aliases"); |
| tmp[0] = 0; |
| if (node >= 0) { |
| #ifdef CONFIG_PCI1 |
| path = fdt_getprop(blob, node, "pci0", NULL); |
| if (path) { |
| tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno; |
| do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1); |
| } |
| #endif |
| #ifdef CONFIG_PCIE1 |
| path = fdt_getprop(blob, node, "pci1", NULL); |
| if (path) { |
| tmp[1] = pcie1_hose.last_busno - pcie1_hose.first_busno; |
| do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1); |
| } |
| #endif |
| } |
| } |
| #endif |