summaryrefslogtreecommitdiff
path: root/board/freescale/mpc8568mds/mpc8568mds.c
diff options
context:
space:
mode:
authorKumar Gala <galak@kernel.crashing.org>2007-11-29 10:13:47 -0600
committerKumar Gala <galak@kernel.crashing.org>2007-12-11 22:34:20 -0600
commitacbca876fb3fec25cd9c55b0efc81ff618ff5262 (patch)
treed129bac408d87d8bb6f24bbc7cb8b7043e21d020 /board/freescale/mpc8568mds/mpc8568mds.c
parenta853d56c59b33415304531443633808736acfc6e (diff)
downloadu-boot-imx-acbca876fb3fec25cd9c55b0efc81ff618ff5262.zip
u-boot-imx-acbca876fb3fec25cd9c55b0efc81ff618ff5262.tar.gz
u-boot-imx-acbca876fb3fec25cd9c55b0efc81ff618ff5262.tar.bz2
Move the MPC8568 MDS board under board/freescale.
Minor path corrections needed to ensure buildability. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'board/freescale/mpc8568mds/mpc8568mds.c')
-rw-r--r--board/freescale/mpc8568mds/mpc8568mds.c555
1 files changed, 555 insertions, 0 deletions
diff --git a/board/freescale/mpc8568mds/mpc8568mds.c b/board/freescale/mpc8568mds/mpc8568mds.c
new file mode 100644
index 0000000..460cb1b
--- /dev/null
+++ b/board/freescale/mpc8568mds/mpc8568mds.c
@@ -0,0 +1,555 @@
+/*
+ * 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