| /* |
| * Copyright 2006, 2007 Freescale Semiconductor. |
| * |
| * 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_86xx.h> |
| #include <asm/fsl_pci.h> |
| #include <asm/fsl_ddr_sdram.h> |
| #include <asm/io.h> |
| #include <libfdt.h> |
| #include <fdt_support.h> |
| #include <netdev.h> |
| |
| #include "../common/pixis.h" |
| |
| phys_size_t fixed_sdram(void); |
| |
| int board_early_init_f(void) |
| { |
| return 0; |
| } |
| |
| int checkboard(void) |
| { |
| u8 vboot; |
| u8 *pixis_base = (u8 *)PIXIS_BASE; |
| |
| printf ("Board: MPC8641HPCN, Sys ID: 0x%02x, " |
| "Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ", |
| in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER), |
| in_8(pixis_base + PIXIS_PVER)); |
| |
| vboot = in_8(pixis_base + PIXIS_VBOOT); |
| if (vboot & PIXIS_VBOOT_FMAP) |
| printf ("vBank: %d\n", ((vboot & PIXIS_VBOOT_FBANK) >> 6)); |
| else |
| puts ("Promjet\n"); |
| |
| #ifdef CONFIG_PHYS_64BIT |
| printf (" 36-bit physical address map\n"); |
| #endif |
| return 0; |
| } |
| |
| |
| phys_size_t |
| initdram(int board_type) |
| { |
| phys_size_t 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_SPD_EEPROM) |
| /* |
| * Fixed sdram init -- doesn't use serial presence detect. |
| */ |
| phys_size_t |
| 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->cs0_config = CONFIG_SYS_DDR_CS0_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_mode = CONFIG_SYS_DDR_MODE_1; |
| ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2; |
| 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; |
| ddr->sdram_ocd_cntl = CONFIG_SYS_DDR_OCD_CTRL; |
| ddr->sdram_ocd_status = CONFIG_SYS_DDR_OCD_STATUS; |
| |
| #if defined (CONFIG_DDR_ECC) |
| ddr->err_disable = 0x0000008D; |
| ddr->err_sbe = 0x00ff0000; |
| #endif |
| asm("sync;isync"); |
| |
| udelay(500); |
| |
| #if defined (CONFIG_DDR_ECC) |
| /* Enable ECC checking */ |
| ddr->sdram_cfg = (CONFIG_SYS_DDR_CONTROL | 0x20000000); |
| #else |
| ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL; |
| ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2; |
| #endif |
| asm("sync; isync"); |
| |
| udelay(500); |
| #endif |
| return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; |
| } |
| #endif /* !defined(CONFIG_SPD_EEPROM) */ |
| |
| |
| #if defined(CONFIG_PCI) |
| static struct pci_controller pci1_hose; |
| #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) |
| { |
| #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; |
| 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 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); |
| |
| /* inbound */ |
| r += fsl_pci_setup_inbound_windows(r); |
| |
| hose->region_count = r - hose->regions; |
| |
| 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-EXPRESS 1 on bus %02x - %02x\n", |
| hose->first_busno,hose->last_busno); |
| |
| /* |
| * Activate ULI1575 legacy chip by performing a fake |
| * memory access. Needed to make ULI RTC work. |
| */ |
| in_be32((unsigned *) ((char *)(CONFIG_SYS_PCI1_MEM_VIRT |
| + CONFIG_SYS_PCI1_MEM_SIZE - 0x1000000))); |
| |
| } 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); |
| |
| /* inbound */ |
| r += fsl_pci_setup_inbound_windows(r); |
| |
| hose->region_count = r - hose->regions; |
| |
| 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-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) |
| { |
| int off; |
| u64 *tmp; |
| u32 *addrcells; |
| |
| 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 |
| |
| /* |
| * Warn if it looks like the device tree doesn't match u-boot. |
| * This is just an estimation, based on the location of CCSR, |
| * which is defined by the "reg" property in the soc node. |
| */ |
| off = fdt_path_offset(blob, "/soc8641"); |
| addrcells = (u32 *)fdt_getprop(blob, 0, "#address-cells", NULL); |
| tmp = (u64 *)fdt_getprop(blob, off, "reg", NULL); |
| |
| if (tmp) { |
| u64 addr; |
| if (addrcells && (*addrcells == 1)) |
| addr = *(u32 *)tmp; |
| else |
| addr = *tmp; |
| |
| if (addr != CONFIG_SYS_CCSRBAR_PHYS) |
| printf("WARNING: The CCSRBAR address in your .dts " |
| "does not match the address of the CCSR " |
| "in u-boot. This means your .dts might " |
| "be old.\n"); |
| } |
| } |
| #endif |
| |
| |
| /* |
| * get_board_sys_clk |
| * Reads the FPGA on board for CONFIG_SYS_CLK_FREQ |
| */ |
| |
| unsigned long |
| get_board_sys_clk(ulong dummy) |
| { |
| u8 i, go_bit, rd_clks; |
| ulong val = 0; |
| |
| go_bit = in8(PIXIS_BASE + PIXIS_VCTL); |
| go_bit &= 0x01; |
| |
| rd_clks = in8(PIXIS_BASE + PIXIS_VCFGEN0); |
| rd_clks &= 0x1C; |
| |
| /* |
| * Only if both go bit and the SCLK bit in VCFGEN0 are set |
| * should we be using the AUX register. Remember, we also set the |
| * GO bit to boot from the alternate bank on the on-board flash |
| */ |
| |
| if (go_bit) { |
| if (rd_clks == 0x1c) |
| i = in8(PIXIS_BASE + PIXIS_AUX); |
| else |
| i = in8(PIXIS_BASE + PIXIS_SPD); |
| } else { |
| i = in8(PIXIS_BASE + PIXIS_SPD); |
| } |
| |
| 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; |
| } |
| |
| int board_eth_init(bd_t *bis) |
| { |
| /* Initialize TSECs */ |
| cpu_eth_init(bis); |
| return pci_eth_init(bis); |
| } |
| |
| void board_reset(void) |
| { |
| out8(PIXIS_BASE + PIXIS_RST, 0); |
| |
| while (1) |
| ; |
| } |
| |
| #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 |