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authorWolfgang Grandegger <wg@grandegger.com>2008-06-04 13:52:17 +0200
committerAndrew Fleming-AFLEMING <afleming@freescale.com>2008-06-10 18:22:26 -0500
commit4677988c7edc070c3786d3db7994abeca3ab82a0 (patch)
treeafe5291cc036cf5718f23734d1133cc71e26e5e0 /board/tqc/tqm85xx/tqm85xx.c
parent6fab2fe72ca5bf95280cd52cdf378af3e506eb50 (diff)
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TQM: move TQM boards to board/tqc
Move all TQM board directories to the vendor specific directory "tqc" for modules from TQ-Components GmbH (http://www.tqc.de). Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Diffstat (limited to 'board/tqc/tqm85xx/tqm85xx.c')
-rw-r--r--board/tqc/tqm85xx/tqm85xx.c419
1 files changed, 419 insertions, 0 deletions
diff --git a/board/tqc/tqm85xx/tqm85xx.c b/board/tqc/tqm85xx/tqm85xx.c
new file mode 100644
index 0000000..8fa0162
--- /dev/null
+++ b/board/tqc/tqm85xx/tqm85xx.c
@@ -0,0 +1,419 @@
+/*
+ * (C) Copyright 2005
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * Copyright 2004 Freescale Semiconductor.
+ * (C) Copyright 2002,2003, Motorola Inc.
+ * Xianghua Xiao, (X.Xiao@motorola.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 <pci.h>
+#include <asm/processor.h>
+#include <asm/immap_85xx.h>
+#include <ioports.h>
+#include <flash.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern flash_info_t flash_info[]; /* FLASH chips info */
+
+void local_bus_init (void);
+ulong flash_get_size (ulong base, int banknum);
+
+#ifdef CONFIG_PS2MULT
+void ps2mult_early_init(void);
+#endif
+
+#ifdef CONFIG_CPM2
+/*
+ * I/O Port configuration table
+ *
+ * if conf is 1, then that port pin will be configured at boot time
+ * according to the five values podr/pdir/ppar/psor/pdat for that entry
+ */
+
+const iop_conf_t iop_conf_tab[4][32] = {
+
+ /* Port A configuration */
+ { /* conf ppar psor pdir podr pdat */
+ /* PA31 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 MII COL */
+ /* PA30 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 MII CRS */
+ /* PA29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC1 MII TX_ER */
+ /* PA28 */ { 1, 1, 1, 1, 0, 0 }, /* FCC1 MII TX_EN */
+ /* PA27 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 MII RX_DV */
+ /* PA26 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 MII RX_ER */
+ /* PA25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */
+ /* PA24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */
+ /* PA23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */
+ /* PA22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */
+ /* PA21 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[3] */
+ /* PA20 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[2] */
+ /* PA19 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[1] */
+ /* PA18 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[0] */
+ /* PA17 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[0] */
+ /* PA16 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[1] */
+ /* PA15 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[2] */
+ /* PA14 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[3] */
+ /* PA13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */
+ /* PA12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */
+ /* PA11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */
+ /* PA10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */
+ /* PA9 */ { 0, 1, 1, 1, 0, 0 }, /* FCC1 L1TXD */
+ /* PA8 */ { 0, 1, 1, 0, 0, 0 }, /* FCC1 L1RXD */
+ /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */
+ /* PA6 */ { 0, 1, 1, 1, 0, 0 }, /* TDM A1 L1RSYNC */
+ /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */
+ /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */
+ /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */
+ /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */
+ /* PA1 */ { 0, 0, 0, 0, 0, 0 }, /* FREERUN */
+ /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */
+ },
+
+ /* Port B configuration */
+ { /* conf ppar psor pdir podr pdat */
+ /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
+ /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
+ /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
+ /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
+ /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
+ /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
+ /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
+ /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
+ /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
+ /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
+ /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
+ /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
+ /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
+ /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
+ /* PB17 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */
+ /* PB16 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */
+ /* PB15 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */
+ /* PB14 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */
+ /* PB13 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3:COL */
+ /* PB12 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3:CRS */
+ /* PB11 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
+ /* PB10 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
+ /* PB9 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
+ /* PB8 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
+ /* PB7 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
+ /* PB6 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
+ /* PB5 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
+ /* PB4 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
+ /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
+ /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
+ /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
+ /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
+ },
+
+ /* Port C */
+ { /* conf ppar psor pdir podr pdat */
+ /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */
+ /* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */
+ /* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */
+ /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */
+ /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* UART Clock in */
+ /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */
+ /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */
+ /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */
+ /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */
+ /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */
+ /* PC21 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */
+ /* PC20 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */
+ /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */
+ /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */
+ /* PC17 */ { 1, 1, 0, 0, 0, 0 }, /* PC17 */
+ /* PC16 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */
+ /* PC15 */ { 0, 1, 0, 0, 0, 0 }, /* PC15 */
+ /* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */
+ /* PC13 */ { 0, 1, 0, 0, 0, 0 }, /* PC13 */
+ /* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */
+ /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */
+ /* PC10 */ { 0, 0, 0, 1, 0, 0 }, /* FETHMDC */
+ /* PC9 */ { 0, 0, 0, 0, 0, 0 }, /* FETHMDIO */
+ /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */
+ /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */
+ /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */
+ /* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */
+ /* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */
+ /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */
+ /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */
+ /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */
+ /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */
+ },
+
+ /* Port D */
+ { /* conf ppar psor pdir podr pdat */
+ /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */
+ /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */
+ /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */
+ /* PD28 */ { 1, 1, 0, 0, 0, 0 }, /* PD28 */
+ /* PD27 */ { 1, 1, 0, 1, 0, 0 }, /* PD27 */
+ /* PD26 */ { 1, 1, 0, 1, 0, 0 }, /* PD26 */
+ /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */
+ /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */
+ /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */
+ /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */
+ /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */
+ /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */
+ /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */
+ /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */
+ /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */
+ /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */
+ /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */
+ /* PD14 */ { 0, 0, 0, 1, 0, 0 }, /* LED */
+ /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */
+ /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */
+ /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */
+ /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */
+ /* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */
+ /* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */
+ /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */
+ /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */
+ /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */
+ /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */
+ /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
+ /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
+ /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
+ /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
+ }
+};
+#endif /* CONFIG_CPM2 */
+
+#define CASL_STRING1 "casl=xx"
+#define CASL_STRING2 "casl="
+
+static const int casl_table[] = { 20, 25, 30 };
+#define N_CASL (sizeof(casl_table) / sizeof(casl_table[0]))
+
+int cas_latency(void)
+{
+ char *s = getenv("serial#");
+ int casl;
+ int val;
+ int i;
+
+ casl = CONFIG_DDR_DEFAULT_CL;
+
+ if (s != NULL) {
+ if (strncmp(s + strlen(s) - strlen(CASL_STRING1), CASL_STRING2,
+ strlen(CASL_STRING2)) == 0) {
+ val = simple_strtoul(s + strlen(s) - 2, NULL, 10);
+
+ for (i=0; i<N_CASL; ++i) {
+ if (val == casl_table[i]) {
+ return val;
+ }
+ }
+ }
+ }
+
+ return casl;
+}
+
+int checkboard (void)
+{
+ char *s = getenv("serial#");
+
+ printf("Board: %s", CONFIG_BOARDNAME);
+ if (s != NULL) {
+ puts(", serial# ");
+ puts(s);
+ }
+ putc('\n');
+
+#ifdef CONFIG_PCI
+ printf ("PCI1: 32 bit, %d MHz (compiled)\n",
+ CONFIG_SYS_CLK_FREQ / 1000000);
+#else
+ printf ("PCI1: disabled\n");
+#endif
+
+ /*
+ * Initialize local bus.
+ */
+ local_bus_init ();
+
+ return 0;
+}
+
+int misc_init_r (void)
+{
+ volatile ccsr_lbc_t *memctl = (void *)(CFG_MPC85xx_LBC_ADDR);
+
+ /*
+ * Adjust flash start and offset to detected values
+ */
+ gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
+ gd->bd->bi_flashoffset = 0;
+
+ /*
+ * Check if boot FLASH isn't max size
+ */
+ if (gd->bd->bi_flashsize < (0 - CFG_FLASH0)) {
+ memctl->or0 = gd->bd->bi_flashstart | (CFG_OR0_PRELIM & 0x00007fff);
+ memctl->br0 = gd->bd->bi_flashstart | (CFG_BR0_PRELIM & 0x00007fff);
+
+ /*
+ * Re-check to get correct base address
+ */
+ flash_get_size(gd->bd->bi_flashstart, CFG_MAX_FLASH_BANKS - 1);
+ }
+
+ /*
+ * Check if only one FLASH bank is available
+ */
+ if (gd->bd->bi_flashsize != CFG_MAX_FLASH_BANKS * (0 - CFG_FLASH0)) {
+ memctl->or1 = 0;
+ memctl->br1 = 0;
+
+ /*
+ * Re-do flash protection upon new addresses
+ */
+ flash_protect (FLAG_PROTECT_CLEAR,
+ gd->bd->bi_flashstart, 0xffffffff,
+ &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+
+ /* Monitor protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_MONITOR_BASE, CFG_MONITOR_BASE + monitor_flash_len - 1,
+ &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+
+ /* Environment protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
+ &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+
+ /* Redundant environment protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_ENV_ADDR_REDUND,
+ CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
+ &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+ }
+
+ return 0;
+}
+
+/*
+ * 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;
+
+ /*
+ * Errata LBC11.
+ * Fix Local Bus clock glitch when DLL is enabled.
+ *
+ * If localbus freq is < 66Mhz, DLL bypass mode must be used.
+ * If localbus freq is > 133Mhz, DLL can be safely enabled.
+ * Between 66 and 133, the DLL is enabled with an override workaround.
+ */
+
+ get_sys_info (&sysinfo);
+ clkdiv = lbc->lcrr & 0x0f;
+ lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
+
+ if (lbc_hz < 66) {
+ lbc->lcrr = CFG_LBC_LCRR | 0x80000000; /* DLL Bypass */
+ lbc->ltedr = 0xa4c80000; /* DK: !!! */
+
+ } else if (lbc_hz >= 133) {
+ lbc->lcrr = CFG_LBC_LCRR & (~0x80000000); /* DLL Enabled */
+
+ } else {
+ /*
+ * On REV1 boards, need to change CLKDIV before enable DLL.
+ * Default CLKDIV is 8, change it to 4 temporarily.
+ */
+ uint pvr = get_pvr ();
+ uint temp_lbcdll = 0;
+
+ if (pvr == PVR_85xx_REV1) {
+ /* FIXME: Justify the high bit here. */
+ lbc->lcrr = 0x10000004;
+ }
+
+ lbc->lcrr = CFG_LBC_LCRR & (~0x80000000); /* DLL Enabled */
+ udelay (200);
+
+ /*
+ * Sample LBC DLL ctrl reg, upshift it to set the
+ * override bits.
+ */
+ temp_lbcdll = gur->lbcdllcr;
+ gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000);
+ asm ("sync;isync;msync");
+ }
+}
+
+#if defined(CONFIG_PCI)
+/*
+ * Initialize PCI Devices, report devices found.
+ */
+
+#ifndef CONFIG_PCI_PNP
+static struct pci_config_table pci_mpc85xxads_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 hose = {
+#ifndef CONFIG_PCI_PNP
+ config_table:pci_mpc85xxads_config_table,
+#endif
+};
+
+#endif /* CONFIG_PCI */
+
+
+void pci_init_board (void)
+{
+#ifdef CONFIG_PCI
+ pci_mpc85xx_init (&hose);
+#endif /* CONFIG_PCI */
+}
+
+#ifdef CONFIG_BOARD_EARLY_INIT_R
+int board_early_init_r (void)
+{
+#ifdef CONFIG_PS2MULT
+ ps2mult_early_init();
+#endif /* CONFIG_PS2MULT */
+ return (0);
+}
+#endif /* CONFIG_BOARD_EARLY_INIT_R */