| /* |
| * Copyright 2007 Wind River Systemes, Inc. <www.windriver.com> |
| * Copyright 2007 Embedded Specialties, Inc. |
| * Joe Hamman joe.hamman@embeddedspecialties.com |
| * |
| * Copyright 2004 Freescale Semiconductor. |
| * Jeff Brown |
| * Srikanth Srinivasan (srikanth.srinivasan@freescale.com) |
| * |
| * (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 <command.h> |
| #include <pci.h> |
| #include <asm/processor.h> |
| #include <asm/immap_86xx.h> |
| #include <asm/fsl_pci.h> |
| #include <asm/fsl_ddr_sdram.h> |
| #include <libfdt.h> |
| #include <fdt_support.h> |
| |
| long int fixed_sdram (void); |
| |
| int board_early_init_f (void) |
| { |
| return 0; |
| } |
| |
| int checkboard (void) |
| { |
| puts ("Board: Wind River SBC8641D\n"); |
| |
| return 0; |
| } |
| |
| phys_size_t initdram (int board_type) |
| { |
| long dram_size = 0; |
| |
| #if defined(CONFIG_SPD_EEPROM) |
| dram_size = fsl_ddr_sdram(); |
| #else |
| dram_size = fixed_sdram (); |
| #endif |
| |
| #if defined(CONFIG_SYS_RAMBOOT) |
| puts (" DDR: "); |
| return dram_size; |
| #endif |
| |
| puts (" DDR: "); |
| return dram_size; |
| } |
| |
| #if defined(CONFIG_SYS_DRAM_TEST) |
| int testdram (void) |
| { |
| uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START; |
| uint *pend = (uint *) CONFIG_SYS_MEMTEST_END; |
| uint *p; |
| |
| puts ("SDRAM test phase 1:\n"); |
| for (p = pstart; p < pend; p++) |
| *p = 0xaaaaaaaa; |
| |
| for (p = pstart; p < pend; p++) { |
| if (*p != 0xaaaaaaaa) { |
| printf ("SDRAM test fails at: %08x\n", (uint) p); |
| return 1; |
| } |
| } |
| |
| puts ("SDRAM test phase 2:\n"); |
| for (p = pstart; p < pend; p++) |
| *p = 0x55555555; |
| |
| for (p = pstart; p < pend; p++) { |
| if (*p != 0x55555555) { |
| printf ("SDRAM test fails at: %08x\n", (uint) p); |
| return 1; |
| } |
| } |
| |
| puts ("SDRAM test passed.\n"); |
| return 0; |
| } |
| #endif |
| |
| #if !defined(CONFIG_SPD_EEPROM) |
| /* |
| * Fixed sdram init -- doesn't use serial presence detect. |
| */ |
| long int fixed_sdram (void) |
| { |
| #if !defined(CONFIG_SYS_RAMBOOT) |
| volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; |
| volatile ccsr_ddr_t *ddr = &immap->im_ddr1; |
| |
| ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS; |
| ddr->cs1_bnds = CONFIG_SYS_DDR_CS1_BNDS; |
| ddr->cs2_bnds = CONFIG_SYS_DDR_CS2_BNDS; |
| ddr->cs3_bnds = CONFIG_SYS_DDR_CS3_BNDS; |
| ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG; |
| ddr->cs1_config = CONFIG_SYS_DDR_CS1_CONFIG; |
| ddr->cs2_config = CONFIG_SYS_DDR_CS2_CONFIG; |
| ddr->cs3_config = CONFIG_SYS_DDR_CS3_CONFIG; |
| ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3; |
| ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0; |
| ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1; |
| ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2; |
| ddr->sdram_cfg = CONFIG_SYS_DDR_CFG_1A; |
| ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CFG_2; |
| ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1; |
| ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2; |
| ddr->sdram_mode_cntl = CONFIG_SYS_DDR_MODE_CTL; |
| ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL; |
| ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT; |
| ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL; |
| |
| asm ("sync;isync"); |
| |
| udelay (500); |
| |
| ddr->sdram_cfg = CONFIG_SYS_DDR_CFG_1B; |
| asm ("sync; isync"); |
| |
| udelay (500); |
| ddr = &immap->im_ddr2; |
| |
| ddr->cs0_bnds = CONFIG_SYS_DDR2_CS0_BNDS; |
| ddr->cs1_bnds = CONFIG_SYS_DDR2_CS1_BNDS; |
| ddr->cs2_bnds = CONFIG_SYS_DDR2_CS2_BNDS; |
| ddr->cs3_bnds = CONFIG_SYS_DDR2_CS3_BNDS; |
| ddr->cs0_config = CONFIG_SYS_DDR2_CS0_CONFIG; |
| ddr->cs1_config = CONFIG_SYS_DDR2_CS1_CONFIG; |
| ddr->cs2_config = CONFIG_SYS_DDR2_CS2_CONFIG; |
| ddr->cs3_config = CONFIG_SYS_DDR2_CS3_CONFIG; |
| ddr->timing_cfg_3 = CONFIG_SYS_DDR2_EXT_REFRESH; |
| ddr->timing_cfg_0 = CONFIG_SYS_DDR2_TIMING_0; |
| ddr->timing_cfg_1 = CONFIG_SYS_DDR2_TIMING_1; |
| ddr->timing_cfg_2 = CONFIG_SYS_DDR2_TIMING_2; |
| ddr->sdram_cfg = CONFIG_SYS_DDR2_CFG_1A; |
| ddr->sdram_cfg_2 = CONFIG_SYS_DDR2_CFG_2; |
| ddr->sdram_mode = CONFIG_SYS_DDR2_MODE_1; |
| ddr->sdram_mode_2 = CONFIG_SYS_DDR2_MODE_2; |
| ddr->sdram_mode_cntl = CONFIG_SYS_DDR2_MODE_CTL; |
| ddr->sdram_interval = CONFIG_SYS_DDR2_INTERVAL; |
| ddr->sdram_data_init = CONFIG_SYS_DDR2_DATA_INIT; |
| ddr->sdram_clk_cntl = CONFIG_SYS_DDR2_CLK_CTRL; |
| |
| asm ("sync;isync"); |
| |
| udelay (500); |
| |
| ddr->sdram_cfg = CONFIG_SYS_DDR2_CFG_1B; |
| asm ("sync; isync"); |
| |
| udelay (500); |
| #endif |
| return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; |
| } |
| #endif /* !defined(CONFIG_SPD_EEPROM) */ |
| |
| #if defined(CONFIG_PCI) |
| /* |
| * Initialize PCI Devices, report devices found. |
| */ |
| |
| #ifndef CONFIG_PCI_PNP |
| static struct pci_config_table pci_fsl86xxads_config_table[] = { |
| {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, |
| PCI_IDSEL_NUMBER, PCI_ANY_ID, |
| pci_cfgfunc_config_device, {PCI_ENET0_IOADDR, |
| PCI_ENET0_MEMADDR, |
| PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER}}, |
| {} |
| }; |
| #endif |
| |
| static struct pci_controller pci1_hose = { |
| #ifndef CONFIG_PCI_PNP |
| config_table:pci_mpc86xxcts_config_table |
| #endif |
| }; |
| #endif /* CONFIG_PCI */ |
| |
| #ifdef CONFIG_PCI2 |
| static struct pci_controller pci2_hose; |
| #endif /* CONFIG_PCI2 */ |
| |
| int first_free_busno = 0; |
| |
| void pci_init_board(void) |
| { |
| volatile immap_t *immap = (immap_t *) CONFIG_SYS_CCSRBAR; |
| volatile ccsr_gur_t *gur = &immap->im_gur; |
| uint devdisr = gur->devdisr; |
| uint io_sel = (gur->pordevsr & MPC8641_PORDEVSR_IO_SEL) |
| >> MPC8641_PORDEVSR_IO_SEL_SHIFT; |
| |
| #ifdef CONFIG_PCI1 |
| { |
| volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR; |
| struct pci_controller *hose = &pci1_hose; |
| struct pci_region *r = hose->regions; |
| #ifdef DEBUG |
| uint host1_agent = (gur->porbmsr & MPC8641_PORBMSR_HA) |
| >> MPC8641_PORBMSR_HA_SHIFT; |
| uint pex1_agent = (host1_agent == 0) || (host1_agent == 1); |
| #endif |
| if ((io_sel == 2 || io_sel == 3 || io_sel == 5 |
| || io_sel == 6 || io_sel == 7 || io_sel == 0xF) |
| && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) { |
| debug("PCI-EXPRESS 1: %s \n", pex1_agent ? "Agent" : "Host"); |
| debug("0x%08x=0x%08x ", &pci->pme_msg_det, pci->pme_msg_det); |
| if (pci->pme_msg_det) { |
| pci->pme_msg_det = 0xffffffff; |
| debug(" with errors. Clearing. Now 0x%08x", |
| pci->pme_msg_det); |
| } |
| debug("\n"); |
| |
| /* outbound memory */ |
| pci_set_region(r++, |
| CONFIG_SYS_PCI1_MEM_BUS, |
| CONFIG_SYS_PCI1_MEM_PHYS, |
| CONFIG_SYS_PCI1_MEM_SIZE, |
| PCI_REGION_MEM); |
| |
| /* outbound io */ |
| pci_set_region(r++, |
| CONFIG_SYS_PCI1_IO_BUS, |
| CONFIG_SYS_PCI1_IO_PHYS, |
| CONFIG_SYS_PCI1_IO_SIZE, |
| PCI_REGION_IO); |
| |
| hose->region_count = r - hose->regions; |
| |
| hose->first_busno=first_free_busno; |
| |
| fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data); |
| |
| first_free_busno=hose->last_busno+1; |
| printf (" PCI-EXPRESS 1 on bus %02x - %02x\n", |
| hose->first_busno,hose->last_busno); |
| |
| } else { |
| puts("PCI-EXPRESS 1: Disabled\n"); |
| } |
| } |
| #else |
| puts("PCI-EXPRESS1: Disabled\n"); |
| #endif /* CONFIG_PCI1 */ |
| |
| #ifdef CONFIG_PCI2 |
| { |
| volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI2_ADDR; |
| struct pci_controller *hose = &pci2_hose; |
| struct pci_region *r = hose->regions; |
| |
| /* outbound memory */ |
| pci_set_region(r++, |
| CONFIG_SYS_PCI2_MEM_BUS, |
| CONFIG_SYS_PCI2_MEM_PHYS, |
| CONFIG_SYS_PCI2_MEM_SIZE, |
| PCI_REGION_MEM); |
| |
| /* outbound io */ |
| pci_set_region(r++, |
| CONFIG_SYS_PCI2_IO_BUS, |
| CONFIG_SYS_PCI2_IO_PHYS, |
| CONFIG_SYS_PCI2_IO_SIZE, |
| PCI_REGION_IO); |
| |
| hose->region_count = r - hose->regions; |
| |
| hose->first_busno=first_free_busno; |
| |
| fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data); |
| |
| first_free_busno=hose->last_busno+1; |
| printf (" PCI-EXPRESS 2 on bus %02x - %02x\n", |
| hose->first_busno,hose->last_busno); |
| } |
| #else |
| puts("PCI-EXPRESS 2: Disabled\n"); |
| #endif /* CONFIG_PCI2 */ |
| |
| } |
| |
| |
| #if defined(CONFIG_OF_BOARD_SETUP) |
| void ft_board_setup (void *blob, bd_t *bd) |
| { |
| ft_cpu_setup(blob, bd); |
| |
| #ifdef CONFIG_PCI1 |
| ft_fsl_pci_setup(blob, "pci0", &pci1_hose); |
| #endif |
| #ifdef CONFIG_PCI2 |
| ft_fsl_pci_setup(blob, "pci1", &pci2_hose); |
| #endif |
| } |
| #endif |
| |
| void sbc8641d_reset_board (void) |
| { |
| puts ("Resetting board....\n"); |
| } |
| |
| /* |
| * get_board_sys_clk |
| * Clock is fixed at 1GHz on this board. Used for CONFIG_SYS_CLK_FREQ |
| */ |
| |
| unsigned long get_board_sys_clk (ulong dummy) |
| { |
| int i; |
| ulong val = 0; |
| |
| i = 5; |
| i &= 0x07; |
| |
| switch (i) { |
| case 0: |
| val = 33000000; |
| break; |
| case 1: |
| val = 40000000; |
| break; |
| case 2: |
| val = 50000000; |
| break; |
| case 3: |
| val = 66000000; |
| break; |
| case 4: |
| val = 83000000; |
| break; |
| case 5: |
| val = 100000000; |
| break; |
| case 6: |
| val = 134000000; |
| break; |
| case 7: |
| val = 166000000; |
| break; |
| } |
| |
| return val; |
| } |
| |
| void board_reset(void) |
| { |
| #ifdef CONFIG_SYS_RESET_ADDRESS |
| ulong addr = CONFIG_SYS_RESET_ADDRESS; |
| |
| /* flush and disable I/D cache */ |
| __asm__ __volatile__ ("mfspr 3, 1008" ::: "r3"); |
| __asm__ __volatile__ ("ori 5, 5, 0xcc00" ::: "r5"); |
| __asm__ __volatile__ ("ori 4, 3, 0xc00" ::: "r4"); |
| __asm__ __volatile__ ("andc 5, 3, 5" ::: "r5"); |
| __asm__ __volatile__ ("sync"); |
| __asm__ __volatile__ ("mtspr 1008, 4"); |
| __asm__ __volatile__ ("isync"); |
| __asm__ __volatile__ ("sync"); |
| __asm__ __volatile__ ("mtspr 1008, 5"); |
| __asm__ __volatile__ ("isync"); |
| __asm__ __volatile__ ("sync"); |
| |
| /* |
| * SRR0 has system reset vector, SRR1 has default MSR value |
| * rfi restores MSR from SRR1 and sets the PC to the SRR0 value |
| */ |
| __asm__ __volatile__ ("mtspr 26, %0" :: "r" (addr)); |
| __asm__ __volatile__ ("li 4, (1 << 6)" ::: "r4"); |
| __asm__ __volatile__ ("mtspr 27, 4"); |
| __asm__ __volatile__ ("rfi"); |
| #endif |
| } |
| |
| #ifdef CONFIG_MP |
| extern void cpu_mp_lmb_reserve(struct lmb *lmb); |
| |
| void board_lmb_reserve(struct lmb *lmb) |
| { |
| cpu_mp_lmb_reserve(lmb); |
| } |
| #endif |