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Diffstat (limited to 'board/freescale/mpc8641hpcn/mpc8641hpcn.c')
-rw-r--r--board/freescale/mpc8641hpcn/mpc8641hpcn.c407
1 files changed, 407 insertions, 0 deletions
diff --git a/board/freescale/mpc8641hpcn/mpc8641hpcn.c b/board/freescale/mpc8641hpcn/mpc8641hpcn.c
new file mode 100644
index 000000000..ffd11cb5f
--- /dev/null
+++ b/board/freescale/mpc8641hpcn/mpc8641hpcn.c
@@ -0,0 +1,407 @@
+/*
+ * 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/immap_fsl_pci.h>
+#include <spd.h>
+#include <asm/io.h>
+
+#if defined(CONFIG_OF_FLAT_TREE)
+#include <ft_build.h>
+extern void ft_cpu_setup(void *blob, bd_t *bd);
+#endif
+
+#include "../common/pixis.h"
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+extern void ddr_enable_ecc(unsigned int dram_size);
+#endif
+
+#if defined(CONFIG_SPD_EEPROM)
+#include "spd_sdram.h"
+#endif
+
+void sdram_init(void);
+long int fixed_sdram(void);
+
+
+int board_early_init_f(void)
+{
+ return 0;
+}
+
+int checkboard(void)
+{
+ puts("Board: MPC8641HPCN\n");
+
+ return 0;
+}
+
+
+long int
+initdram(int board_type)
+{
+ long dram_size = 0;
+
+#if defined(CONFIG_SPD_EEPROM)
+ dram_size = spd_sdram();
+#else
+ dram_size = fixed_sdram();
+#endif
+
+#if defined(CFG_RAMBOOT)
+ puts(" DDR: ");
+ return dram_size;
+#endif
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+ /*
+ * Initialize and enable DDR ECC.
+ */
+ ddr_enable_ecc(dram_size);
+#endif
+
+ puts(" DDR: ");
+ return dram_size;
+}
+
+
+#if defined(CFG_DRAM_TEST)
+int
+testdram(void)
+{
+ uint *pstart = (uint *) CFG_MEMTEST_START;
+ uint *pend = (uint *) CFG_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(CFG_RAMBOOT)
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
+ volatile ccsr_ddr_t *ddr = &immap->im_ddr1;
+
+ ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
+ ddr->cs0_config = CFG_DDR_CS0_CONFIG;
+ ddr->ext_refrec = CFG_DDR_EXT_REFRESH;
+ ddr->timing_cfg_0 = CFG_DDR_TIMING_0;
+ ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
+ ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
+ ddr->sdram_mode_1 = CFG_DDR_MODE_1;
+ ddr->sdram_mode_2 = CFG_DDR_MODE_2;
+ ddr->sdram_interval = CFG_DDR_INTERVAL;
+ ddr->sdram_data_init = CFG_DDR_DATA_INIT;
+ ddr->sdram_clk_cntl = CFG_DDR_CLK_CTRL;
+ ddr->sdram_ocd_cntl = CFG_DDR_OCD_CTRL;
+ ddr->sdram_ocd_status = CFG_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_1 = (CFG_DDR_CONTROL | 0x20000000);
+#else
+ ddr->sdram_cfg_1 = CFG_DDR_CONTROL;
+ ddr->sdram_cfg_2 = CFG_DDR_CONTROL2;
+#endif
+ asm("sync; isync");
+
+ udelay(500);
+#endif
+ return CFG_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 *) CFG_CCSRBAR;
+ volatile ccsr_gur_t *gur = &immap->im_gur;
+ uint devdisr = gur->devdisr;
+ uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16;
+
+#ifdef CONFIG_PCI1
+{
+ 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;
+#ifdef DEBUG
+ uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17;
+ 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");
+
+ /* 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-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 *)(CFG_PCI1_MEM_BASE
+ + CFG_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 *) CFG_PCI2_ADDR;
+ extern void fsl_pci_init(struct pci_controller *hose);
+ struct pci_controller *hose = &pci2_hose;
+
+
+ /* 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_PCI2_MEM_BASE,
+ CFG_PCI2_MEM_PHYS,
+ CFG_PCI2_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region(hose->regions + 2,
+ CFG_PCI2_IO_BASE,
+ CFG_PCI2_IO_PHYS,
+ CFG_PCI2_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-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_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
+void
+ft_board_setup(void *blob, bd_t *bd)
+{
+ u32 *p;
+ int len;
+
+ ft_cpu_setup(blob, bd);
+
+ p = ft_get_prop(blob, "/memory/reg", &len);
+ if (p != NULL) {
+ *p++ = cpu_to_be32(bd->bi_memstart);
+ *p = cpu_to_be32(bd->bi_memsize);
+ }
+}
+#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;
+}
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