mpc832x: add support for mpc8321 based tuxa1 board

This board is similar to suvd3 board. So most initialisation topics
are taken from suvd3 (UART1, Ethernet, piggy PHY, flash, ram) only the
application specific chip selects differ.

Signed-off-by: Lukas Roggli <lukas.roggli@keymile.com>
Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
cc: Kim Phillips <kim.phillips@freescale.com>
cc: Valentin Longchamp <valentin.longchamp@keymile.com>

1 files changed, 233 insertions, 0 deletions

diff --git a/include/configs/tuxa1.h b/include/configs/tuxa1.h
new file mode 100644
index 0000000..ba3570b
--- /dev/null
+++ b/include/configs/tuxa1.h
@@ -0,0 +1,233 @@
+/*
+ * Copyright (C) 2006 Freescale Semiconductor, Inc.
+ *                    Dave Liu <daveliu@freescale.com>
+ *
+ * Copyright (C) 2007 Logic Product Development, Inc.
+ *                    Peter Barada <peterb@logicpd.com>
+ *
+ * Copyright (C) 2007 MontaVista Software, Inc.
+ *                    Anton Vorontsov <avorontsov@ru.mvista.com>
+ *
+ * (C) Copyright 2008
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * (C) Copyright 2010
+ * Yan Bin, Lukas Roggli, KEYMILE Ltd, lukas.roggli@keymile.com
+ *
+ * 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.
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ */
+#define CONFIG_QE		/* Has QE */
+#define CONFIG_MPC832x		/* MPC832x CPU specific */
+#define CONFIG_TUXA1		/* TUXA1 board specific */
+#define CONFIG_HOSTNAME		tuxa1
+#define CONFIG_KM_BOARD_NAME   "tuxa1"
+
+#define	CONFIG_SYS_TEXT_BASE	0xF0000000
+#define CONFIG_KM_DEF_NETDEV	\
+	"netdev=eth0\0"
+
+#define CONFIG_KM_DEF_ROOTPATH		\
+	"rootpath=/opt/eldk/ppc_8xx\0"
+
+/* include common defines/options for all 83xx Keymile boards */
+#include "km83xx-common.h"
+
+#define CONFIG_MISC_INIT_R
+
+/*
+ * System IO Config
+ */
+#define CONFIG_SYS_SICRL	SICRL_IRQ_CKS
+
+/*
+ * Hardware Reset Configuration Word
+ */
+#define CONFIG_SYS_HRCW_LOW (\
+	HRCWL_LCL_BUS_TO_SCB_CLK_1X1 | \
+	HRCWL_DDR_TO_SCB_CLK_2X1 | \
+	HRCWL_CSB_TO_CLKIN_2X1 | \
+	HRCWL_CORE_TO_CSB_2_5X1 | \
+	HRCWL_CE_PLL_VCO_DIV_2 | \
+	HRCWL_CE_TO_PLL_1X3)
+
+#define CONFIG_SYS_HRCW_HIGH (\
+	HRCWH_PCI_AGENT | \
+	HRCWH_PCI_ARBITER_DISABLE | \
+	HRCWH_CORE_ENABLE | \
+	HRCWH_FROM_0X00000100 | \
+	HRCWH_BOOTSEQ_DISABLE | \
+	HRCWH_SW_WATCHDOG_DISABLE | \
+	HRCWH_ROM_LOC_LOCAL_16BIT | \
+	HRCWH_BIG_ENDIAN | \
+	HRCWH_LALE_NORMAL)
+
+#define CONFIG_SYS_DDR_CS0_BNDS		0x0000007f
+#define CONFIG_SYS_DDR_SDRAM_CFG	(SDRAM_CFG_SDRAM_TYPE_DDR2 | \
+					 SDRAM_CFG_32_BE | \
+					 SDRAM_CFG_2T_EN | \
+					 SDRAM_CFG_SREN)
+#define CONFIG_SYS_DDR_SDRAM_CFG2	0x00401000
+#define CONFIG_SYS_DDR_CLK_CNTL	(DDR_SDRAM_CLK_CNTL_CLK_ADJUST_05)
+#define CONFIG_SYS_DDR_INTERVAL	((0x064 << SDRAM_INTERVAL_BSTOPRE_SHIFT) | \
+				 (0x200 << SDRAM_INTERVAL_REFINT_SHIFT))
+
+#define CONFIG_SYS_DDR_CS0_CONFIG	(CSCONFIG_EN | CSCONFIG_AP | \
+					 CSCONFIG_ODT_WR_CFG | \
+					 CSCONFIG_ROW_BIT_13 | \
+					 CSCONFIG_COL_BIT_10)
+
+#define CONFIG_SYS_DDR_MODE		0x47860252
+#define CONFIG_SYS_DDR_MODE2		0x8080c000
+
+#define CONFIG_SYS_DDR_TIMING_0	((2 << TIMING_CFG0_MRS_CYC_SHIFT) | \
+				(8 << TIMING_CFG0_ODT_PD_EXIT_SHIFT) | \
+				(2 << TIMING_CFG0_PRE_PD_EXIT_SHIFT) | \
+				(2 << TIMING_CFG0_ACT_PD_EXIT_SHIFT) | \
+				(0 << TIMING_CFG0_WWT_SHIFT) | \
+				(0 << TIMING_CFG0_RRT_SHIFT) | \
+				(0 << TIMING_CFG0_WRT_SHIFT) | \
+				(0 << TIMING_CFG0_RWT_SHIFT))
+
+#define CONFIG_SYS_DDR_TIMING_1	((TIMING_CFG1_CASLAT_50) | \
+				(2 << TIMING_CFG1_WRTORD_SHIFT) | \
+				(2 << TIMING_CFG1_ACTTOACT_SHIFT) | \
+				(2 << TIMING_CFG1_WRREC_SHIFT) | \
+				(6 << TIMING_CFG1_REFREC_SHIFT) | \
+				(2 << TIMING_CFG1_ACTTORW_SHIFT) | \
+				(6 << TIMING_CFG1_ACTTOPRE_SHIFT) | \
+				(2 << TIMING_CFG1_PRETOACT_SHIFT))
+
+#define CONFIG_SYS_DDR_TIMING_2	((8 << TIMING_CFG2_FOUR_ACT_SHIFT) | \
+				(3 << TIMING_CFG2_CKE_PLS_SHIFT) | \
+				(2 << TIMING_CFG2_WR_DATA_DELAY_SHIFT) | \
+				(2 << TIMING_CFG2_RD_TO_PRE_SHIFT) | \
+				(4 << TIMING_CFG2_WR_LAT_DELAY_SHIFT) | \
+				(0 << TIMING_CFG2_ADD_LAT_SHIFT) | \
+				(5 << TIMING_CFG2_CPO_SHIFT))
+
+#define CONFIG_SYS_DDR_TIMING_3	0x00000000
+
+#define	CONFIG_SYS_PIGGY_BASE		0xE8000000
+#define	CONFIG_SYS_PIGGY_SIZE		128
+#define	CONFIG_SYS_LPXF_BASE		0xA0000000    /* LPXF */
+#define	CONFIG_SYS_LPXF_SIZE		256 /* Megabytes */
+#define	CONFIG_SYS_PINC2_BASE		0xB0000000    /* PINC2 */
+#define	CONFIG_SYS_PINC2_SIZE		256 /* Megabytes */
+
+
+/* EEprom support */
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1
+
+/*
+ * Local Bus Configuration & Clock Setup
+ */
+#define CONFIG_SYS_LCRR		(LCRR_DBYP | LCRR_EADC_1 | LCRR_CLKDIV_2)
+#define CONFIG_SYS_LBC_LBCR	0x00000000
+
+/*
+ * Init Local Bus Memory Controller:
+ *
+ * Bank Bus     Machine PortSz  Size  Device
+ * ---- ---     ------- ------  -----  ------
+ *  2   Local   GPCM    8 bit  256MB	LPXF
+ *  3   Local   GPCM    8 bit  256MB	PINC2
+ *
+ */
+
+/*
+ * LPXF on the local bus CS2
+ * Window base at flash base
+ * Window size: 256 MB
+ */
+#define CONFIG_SYS_LBLAWBAR2_PRELIM	CONFIG_SYS_LPXF_BASE
+#define CONFIG_SYS_LBLAWAR2_PRELIM	(LBLAWAR_EN | LBLAWAR_256MB)
+
+#define CONFIG_SYS_BR2_PRELIM       (CONFIG_SYS_LPXF_BASE | \
+				BR_PS_8 | \
+				BR_MS_GPCM | \
+				BR_V)
+
+#define CONFIG_SYS_OR2_PRELIM	(MEG_TO_AM(CONFIG_SYS_LPXF_SIZE) | \
+				 OR_GPCM_CSNT | \
+				 OR_GPCM_ACS_DIV4 | \
+				 OR_GPCM_SCY_2 | \
+				 (OR_GPCM_TRLX & \
+				 (~OR_GPCM_EHTR)) |  /* EHTR = 0 */ \
+				 OR_GPCM_EAD)
+/*
+ * PINC2 on the local bus CS3
+ * Access window base at PINC2 base
+ * Window size: 256 MB
+ */
+#define CONFIG_SYS_LBLAWBAR3_PRELIM	CONFIG_SYS_PINC2_BASE
+#define CONFIG_SYS_LBLAWAR3_PRELIM	(LBLAWAR_EN | LBLAWAR_256MB)
+
+#define CONFIG_SYS_BR3_PRELIM	(CONFIG_SYS_PINC2_BASE | \
+				 BR_PS_8 | \
+				 BR_MS_GPCM | \
+				 BR_V)
+
+#define CONFIG_SYS_OR3_PRELIM	(MEG_TO_AM(CONFIG_SYS_PINC2_SIZE) | \
+				 OR_GPCM_CSNT | \
+				 (OR_GPCM_ACS_DIV2 & /* ACS = 11 */ \
+				 (~OR_GPCM_XACS)) |  /* XACS = 0 */ \
+				 (OR_GPCM_SCY_2 & \
+				 (~OR_GPCM_EHTR)) |  /* EHTR = 0 */ \
+				 OR_GPCM_TRLX)
+
+#define CONFIG_SYS_MAMR		(MxMR_GPL_x4DIS | \
+				 0x0000c000 | \
+				 MxMR_WLFx_2X)
+
+/*
+ * MMU Setup
+ */
+/* LPXF:  icache cacheable, but dcache-inhibit and guarded */
+#define CONFIG_SYS_IBAT5L	(CONFIG_SYS_LPXF_BASE | BATL_PP_10 | \
+				 BATL_MEMCOHERENCE)
+#define CONFIG_SYS_IBAT5U	(CONFIG_SYS_LPXF_BASE | BATU_BL_256M | \
+				 BATU_VS | BATU_VP)
+#define CONFIG_SYS_DBAT5L	(CONFIG_SYS_LPXF_BASE | BATL_PP_10 | \
+				 BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
+#define CONFIG_SYS_DBAT5U	CONFIG_SYS_IBAT5U
+
+#ifdef CONFIG_PCI
+/* PCI MEM space: cacheable */
+#define CFG_IBAT6L	(CFG_PCI1_MEM_PHYS | BATL_PP_10 | BATL_MEMCOHERENCE)
+#define CFG_IBAT6U	(CFG_PCI1_MEM_PHYS | BATU_BL_256M | BATU_VS | BATU_VP)
+#define CFG_DBAT6L	CFG_IBAT6L
+#define CFG_DBAT6U	CFG_IBAT6U
+/* PCI MMIO space: cache-inhibit and guarded */
+#define CFG_IBAT7L	(CFG_PCI1_MMIO_PHYS | BATL_PP_10 | \
+			 BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
+#define CFG_IBAT7U	(CFG_PCI1_MMIO_PHYS | BATU_BL_256M | BATU_VS | BATU_VP)
+#define CFG_DBAT7L	CFG_IBAT7L
+#define CFG_DBAT7U	CFG_IBAT7U
+#else /* CONFIG_PCI */
+
+/* PINC2:  icache cacheable, but dcache-inhibit and guarded */
+#define CONFIG_SYS_IBAT6L	(CONFIG_SYS_PINC2_BASE | BATL_PP_10 | \
+				 BATL_MEMCOHERENCE)
+#define CONFIG_SYS_IBAT6U	(CONFIG_SYS_PINC2_BASE | BATU_BL_256M | \
+				 BATU_VS | BATU_VP)
+#define CONFIG_SYS_DBAT6L	(CONFIG_SYS_PINC2_BASE | BATL_PP_10 | \
+				 BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
+#define CONFIG_SYS_DBAT6U	CONFIG_SYS_IBAT6U
+
+#define CONFIG_SYS_IBAT7L	(0)
+#define CONFIG_SYS_IBAT7U	(0)
+#define CONFIG_SYS_DBAT7L	CONFIG_SYS_IBAT7L
+#define CONFIG_SYS_DBAT7U	CONFIG_SYS_IBAT7U
+#endif /* CONFIG_PCI */
+
+#endif /* __CONFIG_H */