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Diffstat (limited to 'board/tqm8272/tqm8272.c')
-rw-r--r--board/tqm8272/tqm8272.c1234
1 files changed, 1234 insertions, 0 deletions
diff --git a/board/tqm8272/tqm8272.c b/board/tqm8272/tqm8272.c
new file mode 100644
index 0000000..8257c77
--- /dev/null
+++ b/board/tqm8272/tqm8272.c
@@ -0,0 +1,1234 @@
+/*
+ * (C) Copyright 2006
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * 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 <ioports.h>
+#include <mpc8260.h>
+
+#include <command.h>
+#ifdef CONFIG_PCI
+#include <pci.h>
+#include <asm/m8260_pci.h>
+#endif
+#if CONFIG_OF_FLAT_TREE
+#include <ft_build.h>
+#include <image.h>
+#endif
+
+#if 0
+#define deb_printf(fmt,arg...) \
+ printf ("TQM8272 %s %s: " fmt,__FILE__, __FUNCTION__, ##arg)
+#else
+#define deb_printf(fmt,arg...) \
+ do { } while (0)
+#endif
+
+#if defined(CONFIG_BOARD_GET_CPU_CLK_F)
+unsigned long board_get_cpu_clk_f (void);
+#endif
+
+/*
+ * 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 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 *ATMTXEN */
+ /* PA30 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTCA */
+ /* PA29 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTSOC */
+ /* PA28 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 *ATMRXEN */
+ /* PA27 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRSOC */
+ /* PA26 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRCA */
+ /* PA25 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */
+ /* PA24 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */
+ /* PA23 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */
+ /* PA22 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */
+ /* PA21 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */
+ /* PA20 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */
+ /* PA19 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */
+ /* PA18 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */
+ /* PA17 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[7] */
+ /* PA16 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[6] */
+ /* PA15 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[5] */
+ /* PA14 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[4] */
+ /* PA13 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[3] */
+ /* PA12 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[2] */
+ /* PA11 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[1] */
+ /* PA10 */ { 0, 0, 0, 1, 0, 0 }, /* FCC1 ATMRXD[0] */
+ /* PA9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC2 TXD */
+ /* PA8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC2 RXD */
+ /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */
+ /* PA6 */ { 0, 0, 0, 1, 0, 0 }, /* PA6 */
+ /* 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, 1, 0, 0 }, /* PA1 */
+ /* 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 */ { 0, 0, 0, 0, 0, 0 }, /* PB17 */
+ /* PB16 */ { 0, 0, 0, 0, 0, 0 }, /* PB16 */
+ /* PB15 */ { 0, 0, 0, 0, 0, 0 }, /* PB15 */
+ /* PB14 */ { 0, 0, 0, 0, 0, 0 }, /* PB14 */
+ /* PB13 */ { 0, 0, 0, 0, 0, 0 }, /* PB13 */
+ /* PB12 */ { 0, 0, 0, 0, 0, 0 }, /* PB12 */
+ /* PB11 */ { 0, 0, 0, 0, 0, 0 }, /* PB11 */
+ /* PB10 */ { 0, 0, 0, 0, 0, 0 }, /* PB10 */
+ /* PB9 */ { 0, 0, 0, 0, 0, 0 }, /* PB9 */
+ /* PB8 */ { 0, 0, 0, 0, 0, 0 }, /* PB8 */
+ /* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* PB7 */
+ /* PB6 */ { 0, 0, 0, 0, 0, 0 }, /* PB6 */
+ /* PB5 */ { 0, 0, 0, 0, 0, 0 }, /* PB5 */
+ /* PB4 */ { 0, 0, 0, 0, 0, 0 }, /* PB4 */
+ /* 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, 0, 0, 0 }, /* PC30 */
+ /* PC29 */ { 1, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */
+ /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */
+ /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* PC27 */
+ /* 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 */
+ /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII TX_CLK */
+ /* PC17 */ { 1, 0, 0, 1, 0, 0 }, /* PC17 MDC */
+ /* PC16 */ { 1, 0, 0, 0, 0, 0 }, /* PC16 MDIO*/
+ /* PC15 */ { 0, 0, 0, 1, 0, 0 }, /* PC15 */
+ /* PC14 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */
+ /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */
+ /* PC12 */ { 0, 0, 0, 1, 0, 0 }, /* PC12 */
+ /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* PC11 */
+ /* PC10 */ { 0, 0, 0, 1, 0, 0 }, /* PC10 */
+ /* PC9 */ { 0, 0, 0, 1, 0, 0 }, /* PC9 */
+ /* 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 */ { 1, 1, 0, 1, 0, 0 }, /* PC5 SMC1 TXD */
+ /* PC4 */ { 1, 1, 0, 0, 0, 0 }, /* PC4 SMC1 RXD */
+ /* 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 */ { 0, 0, 0, 1, 0, 0 }, /* PD28 */
+ /* PD27 */ { 0, 0, 0, 1, 0, 0 }, /* PD27 */
+ /* PD26 */ { 0, 0, 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 }, /* PD19 */
+ /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */
+ /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */
+#if defined(CONFIG_SOFT_I2C)
+ /* PD15 */ { 1, 0, 0, 1, 1, 1 }, /* I2C SDA */
+ /* PD14 */ { 1, 0, 0, 1, 1, 1 }, /* I2C SCL */
+#else
+#if defined(CONFIG_HARD_I2C)
+ /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */
+ /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */
+#else /* normal I/O port pins */
+ /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */
+ /* PD14 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SCL */
+#endif
+#endif
+ /* 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 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TXD */
+ /* PD8 */ { 1, 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, 0 }, /* 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 */
+ }
+};
+
+#define _NOT_USED_ 0xFFFFFFFF
+
+/* UPM pattern for bus clock = 66.7 MHz */
+static const uint upmTable67[] =
+{
+ /* Offset UPM Read Single RAM array entry -> NAND Read Data */
+ /* 0x00 */ 0x0fa3f100, 0x0fa3b000, 0x0fa33100, 0x0fa33000,
+ /* 0x04 */ 0x0fa33000, 0x0fa33004, 0xfffffc01, 0xfffffc00,
+
+ /* UPM Read Burst RAM array entry -> unused */
+ /* 0x08 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+
+ /* UPM Read Burst RAM array entry -> unused */
+ /* 0x10 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+
+ /* UPM Write Single RAM array entry -> NAND Write Data, ADDR and CMD */
+ /* 0x18 */ 0x00a3fc00, 0x00a3fc00, 0x00a3fc00, 0x00a3fc00,
+ /* 0x1C */ 0x0fa3fc00, 0x0fa3fc04, 0xfffffc01, 0xfffffc00,
+
+ /* UPM Write Burst RAM array entry -> unused */
+ /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+
+ /* UPM Refresh Timer RAM array entry -> unused */
+ /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+
+ /* UPM Exception RAM array entry -> unsused */
+ /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+};
+
+/* UPM pattern for bus clock = 100 MHz */
+static const uint upmTable100[] =
+{
+ /* Offset UPM Read Single RAM array entry -> NAND Read Data */
+ /* 0x00 */ 0x0fa3f200, 0x0fa3b000, 0x0fa33300, 0x0fa33000,
+ /* 0x04 */ 0x0fa33000, 0x0fa33004, 0xfffffc01, 0xfffffc00,
+
+ /* UPM Read Burst RAM array entry -> unused */
+ /* 0x08 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+
+ /* UPM Read Burst RAM array entry -> unused */
+ /* 0x10 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+
+ /* UPM Write Single RAM array entry -> NAND Write Data, ADDR and CMD */
+ /* 0x18 */ 0x00a3ff00, 0x00a3fc00, 0x00a3fc00, 0x0fa3fc00,
+ /* 0x1C */ 0x0fa3fc00, 0x0fa3fc04, 0xfffffc01, 0xfffffc00,
+
+ /* UPM Write Burst RAM array entry -> unused */
+ /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+
+ /* UPM Refresh Timer RAM array entry -> unused */
+ /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+
+ /* UPM Exception RAM array entry -> unsused */
+ /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+};
+
+/* UPM pattern for bus clock = 133.3 MHz */
+static const uint upmTable133[] =
+{
+ /* Offset UPM Read Single RAM array entry -> NAND Read Data */
+ /* 0x00 */ 0x0fa3f300, 0x0fa3b000, 0x0fa33300, 0x0fa33000,
+ /* 0x04 */ 0x0fa33200, 0x0fa33004, 0xfffffc01, 0xfffffc00,
+
+ /* UPM Read Burst RAM array entry -> unused */
+ /* 0x08 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+
+ /* UPM Read Burst RAM array entry -> unused */
+ /* 0x10 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+
+ /* UPM Write Single RAM array entry -> NAND Write Data, ADDR and CMD */
+ /* 0x18 */ 0x00a3ff00, 0x00a3fc00, 0x00a3fd00, 0x0fa3fc00,
+ /* 0x1C */ 0x0fa3fd00, 0x0fa3fc04, 0xfffffc01, 0xfffffc00,
+
+ /* UPM Write Burst RAM array entry -> unused */
+ /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+
+ /* UPM Refresh Timer RAM array entry -> unused */
+ /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+
+ /* UPM Exception RAM array entry -> unsused */
+ /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+};
+
+static int chipsel = 0;
+
+/* UPM pattern for slow init */
+static const uint upmTableSlow[] =
+{
+ /* Offset UPM Read Single RAM array entry */
+ /* 0x00 */ 0xffffee00, 0x00ffcc80, 0x00ffcf00, 0x00ffdc00,
+ /* 0x04 */ 0x00ffce80, 0x00ffcc00, 0x00ffee00, 0x3fffcc07,
+
+ /* UPM Read Burst RAM array entry -> unused */
+ /* 0x08 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+
+ /* UPM Read Burst RAM array entry -> unused */
+ /* 0x10 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+
+ /* UPM Write Single RAM array entry */
+ /* 0x18 */ 0xffffee00, 0x00ffec80, 0x00ffef00, 0x00fffc80,
+ /* 0x1C */ 0x00fffe00, 0x00ffec00, 0x0fffef00, 0x3fffec05,
+
+ /* UPM Write Burst RAM array entry -> unused */
+ /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+
+ /* UPM Refresh Timer RAM array entry -> unused */
+ /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+
+ /* UPM Exception RAM array entry -> unused */
+ /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+};
+
+/* UPM pattern for fast init */
+static const uint upmTableFast[] =
+{
+ /* Offset UPM Read Single RAM array entry */
+ /* 0x00 */ 0xffffee00, 0x00ffcc80, 0x00ffcd80, 0x00ffdc00,
+ /* 0x04 */ 0x00ffdc00, 0x00ffcf00, 0x00ffec00, 0x3fffcc07,
+
+ /* UPM Read Burst RAM array entry -> unused */
+ /* 0x08 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x0C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+
+ /* UPM Read Burst RAM array entry -> unused */
+ /* 0x10 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x14 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+
+ /* UPM Write Single RAM array entry */
+ /* 0x18 */ 0xffffee00, 0x00ffec80, 0x00ffee80, 0x00fffc00,
+ /* 0x1C */ 0x00fffc00, 0x00ffec00, 0x0fffef00, 0x3fffec05,
+
+ /* UPM Write Burst RAM array entry -> unused */
+ /* 0x20 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x24 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x28 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x2C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+
+ /* UPM Refresh Timer RAM array entry -> unused */
+ /* 0x30 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x34 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ /* 0x38 */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+
+ /* UPM Exception RAM array entry -> unused */
+ /* 0x3C */ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+};
+
+
+/* ------------------------------------------------------------------------- */
+
+/* Check Board Identity:
+ */
+int checkboard (void)
+{
+ char *p = (char *) HWIB_INFO_START_ADDR;
+
+ puts ("Board: ");
+ if (*((unsigned long *)p) == (unsigned long)CFG_HWINFO_MAGIC) {
+ puts (p);
+ } else {
+ puts ("No HWIB assuming TQM8272");
+ }
+ putc ('\n');
+
+ return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+#if defined(CONFIG_BOARD_GET_CPU_CLK_F)
+static int get_cas_latency (void)
+{
+ /* get it from the option -ts in CIB */
+ /* default is 3 */
+ int ret = 3;
+ int pos = 0;
+ char *p = (char *) CIB_INFO_START_ADDR;
+
+ while ((*p != '\0') && (pos < CIB_INFO_LEN)) {
+ if (*p < ' ' || *p > '~') { /* ASCII strings! */
+ return ret;
+ }
+ if (*p == '-') {
+ if ((p[1] == 't') && (p[2] == 's')) {
+ return (p[4] - '0');
+ }
+ }
+ p++;
+ pos++;
+ }
+ return ret;
+}
+#endif
+
+static ulong set_sdram_timing (volatile uint *sdmr_ptr, ulong sdmr, int col)
+{
+#if defined(CONFIG_BOARD_GET_CPU_CLK_F)
+ int clk = board_get_cpu_clk_f ();
+ volatile immap_t *immr = (immap_t *)CFG_IMMR;
+ int busmode = (immr->im_siu_conf.sc_bcr & BCR_EBM ? 1 : 0);
+ int cas;
+
+ sdmr = sdmr & ~(PSDMR_RFRC_MSK | PSDMR_PRETOACT_MSK | PSDMR_WRC_MSK | \
+ PSDMR_BUFCMD);
+ if (busmode) {
+ switch (clk) {
+ case 66666666:
+ sdmr |= (PSDMR_RFRC_66MHZ_60X | \
+ PSDMR_PRETOACT_66MHZ_60X | \
+ PSDMR_WRC_66MHZ_60X | \
+ PSDMR_BUFCMD_66MHZ_60X);
+ break;
+ case 100000000:
+ sdmr |= (PSDMR_RFRC_100MHZ_60X | \
+ PSDMR_PRETOACT_100MHZ_60X | \
+ PSDMR_WRC_100MHZ_60X | \
+ PSDMR_BUFCMD_100MHZ_60X);
+ break;
+
+ }
+ } else {
+ switch (clk) {
+ case 66666666:
+ sdmr |= (PSDMR_RFRC_66MHZ_SINGLE | \
+ PSDMR_PRETOACT_66MHZ_SINGLE | \
+ PSDMR_WRC_66MHZ_SINGLE | \
+ PSDMR_BUFCMD_66MHZ_SINGLE);
+ break;
+ case 100000000:
+ sdmr |= (PSDMR_RFRC_100MHZ_SINGLE | \
+ PSDMR_PRETOACT_100MHZ_SINGLE | \
+ PSDMR_WRC_100MHZ_SINGLE | \
+ PSDMR_BUFCMD_100MHZ_SINGLE);
+ break;
+ case 133333333:
+ sdmr |= (PSDMR_RFRC_133MHZ_SINGLE | \
+ PSDMR_PRETOACT_133MHZ_SINGLE | \
+ PSDMR_WRC_133MHZ_SINGLE | \
+ PSDMR_BUFCMD_133MHZ_SINGLE);
+ break;
+ }
+ }
+ cas = get_cas_latency();
+ sdmr &=~ (PSDMR_CL_MSK | PSDMR_LDOTOPRE_MSK);
+ sdmr |= cas;
+ sdmr |= ((cas - 1) << 6);
+ return sdmr;
+#else
+ return sdmr;
+#endif
+}
+
+/* Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx
+ *
+ * This routine performs standard 8260 initialization sequence
+ * and calculates the available memory size. It may be called
+ * several times to try different SDRAM configurations on both
+ * 60x and local buses.
+ */
+static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
+ ulong orx, volatile uchar * base, int col)
+{
+ volatile uchar c = 0xff;
+ volatile uint *sdmr_ptr;
+ volatile uint *orx_ptr;
+ ulong maxsize, size;
+ int i;
+
+ /* We must be able to test a location outsize the maximum legal size
+ * to find out THAT we are outside; but this address still has to be
+ * mapped by the controller. That means, that the initial mapping has
+ * to be (at least) twice as large as the maximum expected size.
+ */
+ maxsize = (1 + (~orx | 0x7fff)) / 2;
+
+ /* Since CFG_SDRAM_BASE is always 0 (??), we assume that
+ * we are configuring CS1 if base != 0
+ */
+ sdmr_ptr = base ? &memctl->memc_lsdmr : &memctl->memc_psdmr;
+ orx_ptr = base ? &memctl->memc_or2 : &memctl->memc_or1;
+
+ *orx_ptr = orx;
+ sdmr = set_sdram_timing (sdmr_ptr, sdmr, col);
+ /*
+ * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35):
+ *
+ * "At system reset, initialization software must set up the
+ * programmable parameters in the memory controller banks registers
+ * (ORx, BRx, P/LSDMR). After all memory parameters are configured,
+ * system software should execute the following initialization sequence
+ * for each SDRAM device.
+ *
+ * 1. Issue a PRECHARGE-ALL-BANKS command
+ * 2. Issue eight CBR REFRESH commands
+ * 3. Issue a MODE-SET command to initialize the mode register
+ *
+ * The initial commands are executed by setting P/LSDMR[OP] and
+ * accessing the SDRAM with a single-byte transaction."
+ *
+ * The appropriate BRx/ORx registers have already been set when we
+ * get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE.
+ */
+
+ *sdmr_ptr = sdmr | PSDMR_OP_PREA;
+ *base = c;
+
+ *sdmr_ptr = sdmr | PSDMR_OP_CBRR;
+ for (i = 0; i < 8; i++)
+ *base = c;
+
+ *sdmr_ptr = sdmr | PSDMR_OP_MRW;
+ *(base + CFG_MRS_OFFS) = c; /* setting MR on address lines */
+
+ *sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN;
+ *base = c;
+
+ size = get_ram_size((long *)base, maxsize);
+ *orx_ptr = orx | ~(size - 1);
+
+ return (size);
+}
+
+long int initdram (int board_type)
+{
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
+ volatile memctl8260_t *memctl = &immap->im_memctl;
+
+#ifndef CFG_RAMBOOT
+ long size8, size9;
+#endif
+ long psize, lsize;
+
+ psize = 16 * 1024 * 1024;
+ lsize = 0;
+
+ memctl->memc_psrt = CFG_PSRT;
+ memctl->memc_mptpr = CFG_MPTPR;
+
+#ifndef CFG_RAMBOOT
+ /* 60x SDRAM setup:
+ */
+ size8 = try_init (memctl, CFG_PSDMR_8COL, CFG_OR1_8COL,
+ (uchar *) CFG_SDRAM_BASE, 8);
+ size9 = try_init (memctl, CFG_PSDMR_9COL, CFG_OR1_9COL,
+ (uchar *) CFG_SDRAM_BASE, 9);
+
+ if (size8 < size9) {
+ psize = size9;
+ printf ("(60x:9COL - %ld MB, ", psize >> 20);
+ } else {
+ psize = try_init (memctl, CFG_PSDMR_8COL, CFG_OR1_8COL,
+ (uchar *) CFG_SDRAM_BASE, 8);
+ printf ("(60x:8COL - %ld MB, ", psize >> 20);
+ }
+
+#endif /* CFG_RAMBOOT */
+
+ icache_enable ();
+
+ return (psize);
+}
+
+
+static inline int scanChar (char *p, int len, unsigned long *number)
+{
+ int akt = 0;
+
+ *number = 0;
+ while (akt < len) {
+ if ((*p >= '0') && (*p <= '9')) {
+ *number *= 10;
+ *number += *p - '0';
+ p += 1;
+ } else {
+ if (*p == '-') return akt;
+ return -1;
+ }
+ akt ++;
+ }
+ return akt;
+}
+
+typedef struct{
+ int Bus;
+ int flash;
+ int flash_nr;
+ int ram;
+ int ram_cs;
+ int nand;
+ int nand_cs;
+ int eeprom;
+ int can;
+ unsigned long cpunr;
+ unsigned long option;
+ int SecEng;
+ int cpucl;
+ int cpmcl;
+ int buscl;
+ int busclk_real_ok;
+ int busclk_real;
+ unsigned char OK;
+ unsigned char ethaddr[20];
+} HWIB_INFO;
+
+HWIB_INFO hwinf = {0, 0, 1, 0, 1, 0, 0, 0, 0, 8272, 0 ,0,
+ 0, 0, 0, 0, 0, 0};
+
+static int dump_hwib(void)
+{
+ HWIB_INFO *hw = &hwinf;
+ volatile immap_t *immr = (immap_t *)CFG_IMMR;
+ char *s = getenv("serial#");
+
+ if (hw->OK) {
+ printf ("HWIB on %x\n", HWIB_INFO_START_ADDR);
+ printf ("serial : %s\n", s);
+ printf ("ethaddr: %s\n", hw->ethaddr);
+ printf ("FLASH : %x nr:%d\n", hw->flash, hw->flash_nr);
+ printf ("RAM : %x cs:%d\n", hw->ram, hw->ram_cs);
+ printf ("CPU : %d\n", hw->cpunr);
+ printf ("CAN : %d\n", hw->can);
+ if (hw->eeprom) printf ("EEprom : %x\n", hw->eeprom);
+ else printf ("No EEprom\n");
+ if (hw->nand) {
+ printf ("NAND : %x\n", hw->nand);
+ printf ("NAND CS: %d\n", hw->nand_cs);
+ } else { printf ("No NAND\n");}
+ printf ("Bus %s mode.\n", (hw->Bus ? "60x" : "Single PQII"));
+ printf (" real : %s\n", (immr->im_siu_conf.sc_bcr & BCR_EBM ? \
+ "60x" : "Single PQII"));
+ printf ("Option : %x\n", hw->option);
+ printf ("%s Security Engine\n", (hw->SecEng ? "with" : "no"));
+ printf ("CPM Clk: %d\n", hw->cpmcl);
+ printf ("CPU Clk: %d\n", hw->cpucl);
+ printf ("Bus Clk: %d\n", hw->buscl);
+ if (hw->busclk_real_ok) {
+ printf (" real Clk: %d\n", hw->busclk_real);
+ }
+ printf ("CAS : %d\n", get_cas_latency());
+ } else {
+ printf("HWIB @%x not OK\n", HWIB_INFO_START_ADDR);
+ }
+ return 0;
+}
+
+static inline int search_real_busclk (int *clk)
+{
+ int part = 0, pos = 0;
+ char *p = (char *) CIB_INFO_START_ADDR;
+ int ok = 0;
+
+ while ((*p != '\0') && (pos < CIB_INFO_LEN)) {
+ if (*p < ' ' || *p > '~') { /* ASCII strings! */
+ return 0;
+ }
+ switch (part) {
+ default:
+ if (*p == '-') {
+ ++part;
+ }
+ break;
+ case 3:
+ if (*p == '-') {
+ ++part;
+ break;
+ }
+ if (*p == 'b') {
+ ok = 1;
+ p++;
+ break;
+ }
+ if (ok) {
+ switch (*p) {
+ case '6':
+ *clk = 66666666;
+ return 1;
+ break;
+ case '1':
+ if (p[1] == '3') {
+ *clk = 133333333;
+ } else {
+ *clk = 100000000;
+ }
+ return 1;
+ break;
+ }
+ }
+ break;
+ }
+ p++;
+ }
+ return 0;
+}
+
+int analyse_hwib (void)
+{
+ char *p = (char *) HWIB_INFO_START_ADDR;
+ int anz;
+ int part = 1, i = 0, pos = 0;
+ HWIB_INFO *hw = &hwinf;
+
+ deb_printf(" %s pointer: %p\n", __FUNCTION__, p);
+ /* Head = TQM */
+ if (*((unsigned long *)p) != (unsigned long)CFG_HWINFO_MAGIC) {
+ deb_printf("No HWIB\n");
+ return -1;
+ }
+ p += 3;
+ if (scanChar (p, 4, &hw->cpunr) < 0) {
+ deb_printf("No CPU\n");
+ return -2;
+ }
+ p +=4;
+
+ hw->flash = 0x200000 << (*p - 'A');
+ p++;
+ hw->flash_nr = *p - '0';
+ p++;
+
+ hw->ram = 0x2000000 << (*p - 'A');
+ p++;
+ if (*p == '2') {
+ hw->ram_cs = 2;
+ p++;
+ }
+
+ if (*p == 'A') hw->can = 1;
+ if (*p == 'B') hw->can = 2;
+ p +=1;
+ p +=1; /* connector */
+ if (*p != '0') {
+ hw->eeprom = 0x100 << (*p - 'A');
+ }
+ p++;
+
+ if ((*p < '0') || (*p > '9')) {
+ /* NAND before z-option */
+ hw->nand = 0x8000000 << (*p - 'A');
+ p++;
+ hw->nand_cs = *p - '0';
+ p += 2;
+ }
+ /* z-option */
+ anz = scanChar (p, 4, &hw->option);
+ if (anz < 0) {
+ deb_printf("No option\n");
+ return -3;
+ }
+ if (hw->option & 0x8) hw->Bus = 1;
+ p += anz;
+ if (*p != '-') {
+ deb_printf("No -\n");
+ return -4;
+ }
+ p++;
+ /* C option */
+ if (*p == 'E') {
+ hw->SecEng = 1;
+ p++;
+ }
+ switch (*p) {
+ case 'M': hw->cpucl = 266666666;
+ break;
+ case 'P': hw->cpucl = 300000000;
+ break;
+ case 'T': hw->cpucl = 400000000;
+ break;
+ default:
+ deb_printf("No CPU Clk: %c\n", *p);
+ return -5;
+ break;
+ }
+ p++;
+ switch (*p) {
+ case 'I': hw->cpmcl = 200000000;
+ break;
+ case 'M': hw->cpmcl = 300000000;
+ break;
+ default:
+ deb_printf("No CPM Clk\n");
+ return -6;
+ break;
+ }
+ p++;
+ switch (*p) {
+ case 'B': hw->buscl = 66666666;
+ break;
+ case 'E': hw->buscl = 100000000;
+ break;
+ case 'F': hw->buscl = 133333333;
+ break;
+ default:
+ deb_printf("No BUS Clk\n");
+ return -7;
+ break;
+ }
+ p++;
+
+ hw->OK = 1;
+ /* search MAC Address */
+ while ((*p != '\0') && (pos < CFG_HWINFO_SIZE)) {
+ if (*p < ' ' || *p > '~') { /* ASCII strings! */
+ return 0;
+ }
+ switch (part) {
+ default:
+ if (*p == ' ') {
+ ++part;
+ i = 0;
+ }
+ break;
+ case 3: /* Copy MAC address */
+ if (*p == ' ') {
+ ++part;
+ i = 0;
+ break;
+ }
+ hw->ethaddr[i++] = *p;
+ if ((i % 3) == 2)
+ hw->ethaddr[i++] = ':';
+ break;
+
+ }
+ p++;
+ }
+
+ hw->busclk_real_ok = search_real_busclk (&hw->busclk_real);
+ return 0;
+}
+
+#if defined(CONFIG_GET_CPU_STR_F)
+/* !! This routine runs from Flash */
+char get_cpu_str_f (char *buf)
+{
+ char *p = (char *) HWIB_INFO_START_ADDR;
+ int i = 0;
+
+ buf[i++] = 'M';
+ buf[i++] = 'P';
+ buf[i++] = 'C';
+ if (*((unsigned long *)p) == (unsigned long)CFG_HWINFO_MAGIC) {
+ buf[i++] = *&p[3];
+ buf[i++] = *&p[4];
+ buf[i++] = *&p[5];
+ buf[i++] = *&p[6];
+ } else {
+ buf[i++] = '8';
+ buf[i++] = '2';
+ buf[i++] = '7';
+ buf[i++] = 'x';
+ }
+ buf[i++] = 0;
+ return 0;
+}
+#endif
+
+#if defined(CONFIG_BOARD_GET_CPU_CLK_F)
+/* !! This routine runs from Flash */
+unsigned long board_get_cpu_clk_f (void)
+{
+ char *p = (char *) HWIB_INFO_START_ADDR;
+ int i = 0;
+
+ if (*((unsigned long *)p) == (unsigned long)CFG_HWINFO_MAGIC) {
+ if (search_real_busclk (&i))
+ return i;
+ }
+ return CONFIG_8260_CLKIN;
+}
+#endif
+
+#if CONFIG_BOARD_EARLY_INIT_R
+
+static int can_test (unsigned long off)
+{
+ volatile unsigned char *base = (unsigned char *) (CFG_CAN_BASE + off);
+
+ *(base + 0x17) = 'T';
+ *(base + 0x18) = 'Q';
+ *(base + 0x19) = 'M';
+ if ((*(base + 0x17) != 'T') ||
+ (*(base + 0x18) != 'Q') ||
+ (*(base + 0x19) != 'M')) {
+ return 0;
+ }
+ return 1;
+}
+
+static int can_config_one (unsigned long off)
+{
+ volatile unsigned char *ctrl = (unsigned char *) (CFG_CAN_BASE + off);
+ volatile unsigned char *cpu_if = (unsigned char *) (CFG_CAN_BASE + off + 0x02);
+ volatile unsigned char *clkout = (unsigned char *) (CFG_CAN_BASE + off + 0x1f);
+ unsigned char temp;
+
+ *cpu_if = 0x45;
+ temp = *ctrl;
+ temp |= 0x40;
+ *ctrl = temp;
+ *clkout = 0x20;
+ temp = *ctrl;
+ temp &= ~0x40;
+ *ctrl = temp;
+ return 0;
+}
+
+static int can_config (void)
+{
+ int ret = 0;
+ can_config_one (0);
+ if (hwinf.can == 2) {
+ can_config_one (0x100);
+ }
+ /* make Test if they really there */
+ ret += can_test (0);
+ ret += can_test (0x100);
+ return ret;
+}
+
+static int init_can (void)
+{
+ volatile immap_t * immr = (immap_t *)CFG_IMMR;
+ volatile memctl8260_t *memctl = &immr->im_memctl;
+ int count = 0;
+
+ if ((hwinf.OK) && (hwinf.can)) {
+ memctl->memc_or4 = CFG_CAN_OR;
+ memctl->memc_br4 = CFG_CAN_BR;
+ /* upm Init */
+ upmconfig (UPMC, (uint *) upmTableFast,
+ sizeof (upmTableFast) / sizeof (uint));
+ memctl->memc_mcmr = (MxMR_DSx_3_CYCL |
+ MxMR_GPL_x4DIS |
+ MxMR_RLFx_2X |
+ MxMR_WLFx_2X |
+ MxMR_OP_NORM);
+ /* can configure */
+ count = can_config ();
+ printf ("CAN: %d @ %x\n", count, CFG_CAN_BASE);
+ if (hwinf.can != count) printf("!!! difference to HWIB\n");
+ } else {
+ printf ("CAN: No\n");
+ }
+ return 0;
+}
+
+int board_early_init_r(void)
+{
+ analyse_hwib ();
+ init_can ();
+ return 0;
+}
+#endif
+
+int do_hwib_dump (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ dump_hwib ();
+ return 0;
+}
+
+U_BOOT_CMD(
+ hwib, 1, 1, do_hwib_dump,
+ "hwib - dump HWIB'\n",
+ "\n"
+);
+
+#ifdef CFG_UPDATE_FLASH_SIZE
+static int get_flash_timing (void)
+{
+ /* get it from the option -tf in CIB */
+ /* default is 0x00000c84 */
+ int ret = 0x00000c84;
+ int pos = 0;
+ int nr = 0;
+ char *p = (char *) CIB_INFO_START_ADDR;
+
+ while ((*p != '\0') && (pos < CIB_INFO_LEN)) {
+ if (*p < ' ' || *p > '~') { /* ASCII strings! */
+ return ret;
+ }
+ if (*p == '-') {
+ if ((p[1] == 't') && (p[2] == 'f')) {
+ p += 6;
+ ret = 0;
+ while (nr < 8) {
+ if ((*p >= '0') && (*p <= '9')) {
+ ret *= 0x10;
+ ret += *p - '0';
+ p += 1;
+ nr ++;
+ } else if ((*p >= 'A') && (*p <= 'F')) {
+ ret *= 10;
+ ret += *p - '7';
+ p += 1;
+ nr ++;
+ } else {
+ if (nr < 8) return 0x00000c84;
+ return ret;
+ }
+ }
+ }
+ }
+ p++;
+ pos++;
+ }
+ return ret;
+}
+
+/* Update the Flash_Size and the Flash Timing */
+int update_flash_size (int flash_size)
+{
+ volatile immap_t * immr = (immap_t *)CFG_IMMR;
+ volatile memctl8260_t *memctl = &immr->im_memctl;
+ unsigned long reg;
+ unsigned long tim;
+
+ /* I must use reg, otherwise the board hang */
+ reg = memctl->memc_or0;
+ reg &= ~ORxU_AM_MSK;
+ reg |= MEG_TO_AM(flash_size >> 20);
+ tim = get_flash_timing ();
+ reg &= ~0xfff;
+ reg |= (tim & 0xfff);
+ memctl->memc_or0 = reg;
+ return 0;
+}
+#endif
+
+#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+
+#include <nand.h>
+#include <linux/mtd/mtd.h>
+
+static u8 hwctl = 0;
+
+static void upmnand_hwcontrol(struct mtd_info *mtdinfo, int cmd)
+{
+ switch (cmd) {
+ case NAND_CTL_SETCLE:
+ hwctl |= 0x1;
+ break;
+ case NAND_CTL_CLRCLE:
+ hwctl &= ~0x1;
+ break;
+
+ case NAND_CTL_SETALE:
+ hwctl |= 0x2;
+ break;
+
+ case NAND_CTL_CLRALE:
+ hwctl &= ~0x2;
+ break;
+ }
+}
+
+static void upmnand_write_byte(struct mtd_info *mtdinfo, u_char byte)
+{
+ struct nand_chip *this = mtdinfo->priv;
+ ulong base = (ulong) (this->IO_ADDR_W + chipsel * CFG_NAND_CS_DIST);
+
+ if (hwctl & 0x1) {
+ WRITE_NAND_UPM(byte, base, CFG_NAND_UPM_WRITE_CMD_OFS);
+ } else if (hwctl & 0x2) {
+ WRITE_NAND_UPM(byte, base, CFG_NAND_UPM_WRITE_ADDR_OFS);
+ } else {
+ WRITE_NAND(byte, base);
+ }
+}
+
+static u_char upmnand_read_byte(struct mtd_info *mtdinfo)
+{
+ struct nand_chip *this = mtdinfo->priv;
+ ulong base = (ulong) (this->IO_ADDR_W + chipsel * CFG_NAND_CS_DIST);
+
+ return READ_NAND(base);
+}
+
+static int tqm8272_dev_ready(struct mtd_info *mtdinfo)
+{
+ /* constant delay (see also tR in the datasheet) */
+ udelay(12); \
+ return 1;
+}
+
+#ifndef CONFIG_NAND_SPL
+static void tqm8272_read_buf(struct mtd_info *mtdinfo, uint8_t *buf, int len)
+{
+ struct nand_chip *this = mtdinfo->priv;
+ unsigned char *base = (unsigned char *) (this->IO_ADDR_W + chipsel * CFG_NAND_CS_DIST);
+ int i;
+
+ for (i = 0; i< len; i++)
+ buf[i] = *base;
+}
+
+static void tqm8272_write_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len)
+{
+ struct nand_chip *this = mtdinfo->priv;
+ unsigned char *base = (unsigned char *) (this->IO_ADDR_W + chipsel * CFG_NAND_CS_DIST);
+ int i;
+
+ for (i = 0; i< len; i++)
+ *base = buf[i];
+}
+
+static int tqm8272_verify_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len)
+{
+ struct nand_chip *this = mtdinfo->priv;
+ unsigned char *base = (unsigned char *) (this->IO_ADDR_W + chipsel * CFG_NAND_CS_DIST);
+ int i;
+
+ for (i = 0; i < len; i++)
+ if (buf[i] != *base)
+ return -1;
+ return 0;
+}
+#endif /* #ifndef CONFIG_NAND_SPL */
+
+void board_nand_select_device(struct nand_chip *nand, int chip)
+{
+ chipsel = chip;
+}
+
+int board_nand_init(struct nand_chip *nand)
+{
+ static int UpmInit = 0;
+ volatile immap_t * immr = (immap_t *)CFG_IMMR;
+ volatile memctl8260_t *memctl = &immr->im_memctl;
+
+ if (hwinf.nand == 0) return -1;
+
+ /* Setup the UPM */
+ if (UpmInit == 0) {
+ switch (hwinf.busclk_real) {
+ case 100000000:
+ upmconfig (UPMB, (uint *) upmTable100,
+ sizeof (upmTable100) / sizeof (uint));
+ break;
+ case 133333333:
+ upmconfig (UPMB, (uint *) upmTable133,
+ sizeof (upmTable133) / sizeof (uint));
+ break;
+ default:
+ upmconfig (UPMB, (uint *) upmTable67,
+ sizeof (upmTable67) / sizeof (uint));
+ break;
+ }
+ UpmInit = 1;
+ }
+
+ /* Setup the memctrl */
+ memctl->memc_or3 = CFG_NAND_OR;
+ memctl->memc_br3 = CFG_NAND_BR;
+ memctl->memc_mbmr = (MxMR_OP_NORM);
+
+ nand->eccmode = NAND_ECC_SOFT;
+
+ nand->hwcontrol = upmnand_hwcontrol;
+ nand->read_byte = upmnand_read_byte;
+ nand->write_byte = upmnand_write_byte;
+ nand->dev_ready = tqm8272_dev_ready;
+
+#ifndef CONFIG_NAND_SPL
+ nand->write_buf = tqm8272_write_buf;
+ nand->read_buf = tqm8272_read_buf;
+ nand->verify_buf = tqm8272_verify_buf;
+#endif
+
+ /*
+ * Select required NAND chip
+ */
+ board_nand_select_device(nand, 0);
+ return 0;
+}
+
+#endif /* CFG_CMD_NAND */
+
+#ifdef CONFIG_PCI
+struct pci_controller hose;
+
+int board_early_init_f (void)
+{
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
+
+ immap->im_clkrst.car_sccr |= M826X_SCCR_PCI_MODE_EN;
+ return 0;
+}
+
+extern void pci_mpc8250_init(struct pci_controller *);
+
+void pci_init_board(void)
+{
+ pci_mpc8250_init(&hose);
+}
+#endif
generated by cgit v1.1 at 2024-12-01 19:33:54 +0000