1 files changed, 423 insertions, 0 deletions

diff --git a/board/freescale/mpc8641hpcn/mpc8641hpcn.c b/board/freescale/mpc8641hpcn/mpc8641hpcn.c
new file mode 100644
index 0000000..931be9f
--- /dev/null
+++ b/board/freescale/mpc8641hpcn/mpc8641hpcn.c
@@ -0,0 +1,423 @@
+/*
+ * 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);
+	}
+#ifdef CONFIG_PCI1
+	p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pcie@8000/bus-range", &len);
+	if (p != NULL) {
+		p[0] = 0;
+		p[1] = pci1_hose.last_busno - pci1_hose.first_busno;
+		debug("PCI@8000 first_busno=%d last_busno=%d\n",p[0],p[1]);
+	}
+#endif
+#ifdef CONFIG_PCI2
+	p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pcie@9000/bus-range", &len);
+	if (p != NULL) {
+		p[0] = 0;
+		p[1] = pci2_hose.last_busno - pci2_hose.first_busno;
+		debug("PCI@9000 first_busno=%d last_busno=%d\n",p[0],p[1]);
+	}
+#endif
+}
+#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;
+}