MPC512x: add support for ARIA board

ARIA is a MPC5121E based COM Express module by Dave/DENX.

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: John Rigby <jcrigby@gmail.com>

1 files changed, 316 insertions, 0 deletions

diff --git a/board/davedenx/aria/aria.c b/board/davedenx/aria/aria.c
new file mode 100644
index 0000000..f44c352
--- /dev/null
+++ b/board/davedenx/aria/aria.c
@@ -0,0 +1,316 @@
+/*
+ * (C) Copyright 2009 Wolfgang Denk <wd@denx.de>
+ * (C) Copyright 2009 Dave Srl www.dave.eu
+ *
+ * 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 <asm/bitops.h>
+#include <command.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+#include <fdt_support.h>
+#ifdef CONFIG_MISC_INIT_R
+#include <i2c.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern int mpc5121_diu_init(void);
+extern void ide_set_reset(int idereset);
+
+/* Clocks in use */
+#define SCCR1_CLOCKS_EN	(CLOCK_SCCR1_CFG_EN |				\
+			 CLOCK_SCCR1_LPC_EN |				\
+			 CLOCK_SCCR1_PSC_EN(CONFIG_PSC_CONSOLE) |	\
+			 CLOCK_SCCR1_PSCFIFO_EN |			\
+			 CLOCK_SCCR1_DDR_EN |				\
+			 CLOCK_SCCR1_FEC_EN |				\
+			 CLOCK_SCCR1_PATA_EN |				\
+			 CLOCK_SCCR1_PCI_EN |				\
+			 CLOCK_SCCR1_TPR_EN)
+
+#define SCCR2_CLOCKS_EN	(CLOCK_SCCR2_MEM_EN |		\
+			 CLOCK_SCCR2_SPDIF_EN |		\
+			 CLOCK_SCCR2_DIU_EN |		\
+			 CLOCK_SCCR2_I2C_EN)
+
+#define CSAW_START(start)	((start) & 0xFFFF0000)
+#define CSAW_STOP(start, size)	(((start) + (size) - 1) >> 16)
+
+long int fixed_sdram(void);
+
+int board_early_init_f(void)
+{
+	volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
+	u32 spridr;
+
+	/*
+	 * Initialize Local Window for the On Board FPGA access
+	 */
+	out_be32(&im->sysconf.lpcs2aw,
+		CSAW_START(CONFIG_SYS_ARIA_FPGA_BASE) |
+		CSAW_STOP(CONFIG_SYS_ARIA_FPGA_BASE, CONFIG_SYS_ARIA_FPGA_SIZE)
+	);
+	out_be32(&im->lpc.cs_cfg[2], CONFIG_SYS_CS2_CFG);
+
+	/*
+	 * According to MPC5121e RM, configuring local access windows should
+	 * be followed by a dummy read of the config register that was
+	 * modified last and an isync
+	 */
+	in_be32(&im->sysconf.lpcs2aw);
+	__asm__ __volatile__ ("isync");
+
+	/*
+	 * Initialize Local Window for the On Board SRAM access
+	 */
+	out_be32(&im->sysconf.lpcs6aw,
+		CSAW_START(CONFIG_SYS_ARIA_SRAM_BASE) |
+		CSAW_STOP(CONFIG_SYS_ARIA_SRAM_BASE, CONFIG_SYS_ARIA_SRAM_SIZE)
+	);
+	out_be32(&im->lpc.cs_cfg[6], CONFIG_SYS_CS6_CFG);
+
+	/*
+	 * According to MPC5121e RM, configuring local access windows should
+	 * be followed by a dummy read of the config register that was
+	 * modified last and an isync
+	 */
+	in_be32(&im->sysconf.lpcs6aw);
+	__asm__ __volatile__ ("isync");
+
+	/*
+	 * Configure Flash Speed
+	 */
+	out_be32(&im->lpc.cs_cfg[0], CONFIG_SYS_CS0_CFG);
+
+	spridr = in_be32(&im->sysconf.spridr);
+
+	if (SVR_MJREV(spridr) >= 2)
+		out_be32(&im->lpc.altr, CONFIG_SYS_CS_ALETIMING);
+
+	/*
+	 * Enable clocks
+	 */
+	out_be32(&im->clk.sccr[0], SCCR1_CLOCKS_EN);
+	out_be32(&im->clk.sccr[1], SCCR2_CLOCKS_EN);
+#if defined(CONFIG_IIM) || defined(CONFIG_CMD_FUSE)
+	setbits_be32(&im->clk.sccr[1], CLOCK_SCCR2_IIM_EN);
+#endif
+
+	return 0;
+}
+
+phys_size_t initdram (int board_type)
+{
+	return fixed_sdram();
+}
+
+/*
+ * fixed sdram init:
+ * The board doesn't use memory modules that have serial presence
+ * detect or similar mechanism for discovery of the DRAM settings
+ */
+long int fixed_sdram (void)
+{
+	volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
+	u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024;
+	u32 msize_log2 = __ilog2(msize);
+	u32 i;
+
+	/* Initialize IO Control */
+	out_be32(&im->io_ctrl.io_control_mem, IOCTRL_MUX_DDR);
+
+	/* Initialize DDR Local Window */
+	out_be32(&im->sysconf.ddrlaw.bar, CONFIG_SYS_DDR_BASE & 0xFFFFF000);
+	out_be32(&im->sysconf.ddrlaw.ar, msize_log2 - 1);
+
+	/*
+	 * According to MPC5121e RM, configuring local access windows should
+	 * be followed by a dummy read of the config register that was
+	 * modified last and an isync
+	 */
+	in_be32(&im->sysconf.ddrlaw.ar);
+	__asm__ __volatile__ ("isync");
+
+	/* Enable DDR */
+	out_be32(&im->mddrc.ddr_sys_config, CONFIG_SYS_MDDRC_SYS_CFG_EN);
+
+	/* Initialize DDR Priority Manager */
+	out_be32(&im->mddrc.prioman_config1, CONFIG_SYS_MDDRCGRP_PM_CFG1);
+	out_be32(&im->mddrc.prioman_config2, CONFIG_SYS_MDDRCGRP_PM_CFG2);
+	out_be32(&im->mddrc.hiprio_config, CONFIG_SYS_MDDRCGRP_HIPRIO_CFG);
+	out_be32(&im->mddrc.lut_table0_main_upper, CONFIG_SYS_MDDRCGRP_LUT0_MU);
+	out_be32(&im->mddrc.lut_table0_main_lower, CONFIG_SYS_MDDRCGRP_LUT0_ML);
+	out_be32(&im->mddrc.lut_table1_main_upper, CONFIG_SYS_MDDRCGRP_LUT1_MU);
+	out_be32(&im->mddrc.lut_table1_main_lower, CONFIG_SYS_MDDRCGRP_LUT1_ML);
+	out_be32(&im->mddrc.lut_table2_main_upper, CONFIG_SYS_MDDRCGRP_LUT2_MU);
+	out_be32(&im->mddrc.lut_table2_main_lower, CONFIG_SYS_MDDRCGRP_LUT2_ML);
+	out_be32(&im->mddrc.lut_table3_main_upper, CONFIG_SYS_MDDRCGRP_LUT3_MU);
+	out_be32(&im->mddrc.lut_table3_main_lower, CONFIG_SYS_MDDRCGRP_LUT3_ML);
+	out_be32(&im->mddrc.lut_table4_main_upper, CONFIG_SYS_MDDRCGRP_LUT4_MU);
+	out_be32(&im->mddrc.lut_table4_main_lower, CONFIG_SYS_MDDRCGRP_LUT4_ML);
+	out_be32(&im->mddrc.lut_table0_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT0_AU);
+	out_be32(&im->mddrc.lut_table0_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT0_AL);
+	out_be32(&im->mddrc.lut_table1_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT1_AU);
+	out_be32(&im->mddrc.lut_table1_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT1_AL);
+	out_be32(&im->mddrc.lut_table2_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT2_AU);
+	out_be32(&im->mddrc.lut_table2_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT2_AL);
+	out_be32(&im->mddrc.lut_table3_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT3_AU);
+	out_be32(&im->mddrc.lut_table3_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT3_AL);
+	out_be32(&im->mddrc.lut_table4_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT4_AU);
+	out_be32(&im->mddrc.lut_table4_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT4_AL);
+
+	/* Initialize MDDRC */
+	out_be32(&im->mddrc.ddr_sys_config, CONFIG_SYS_MDDRC_SYS_CFG);
+	out_be32(&im->mddrc.ddr_time_config0, CONFIG_SYS_MDDRC_TIME_CFG0);
+	out_be32(&im->mddrc.ddr_time_config1, CONFIG_SYS_MDDRC_TIME_CFG1);
+	out_be32(&im->mddrc.ddr_time_config2, CONFIG_SYS_MDDRC_TIME_CFG2);
+
+	/* Initialize DDR */
+	for (i = 0; i < 10; i++)
+		out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
+
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_RFSH);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_RFSH);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_INIT_DEV_OP);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EM2);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EM2);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EM3);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EN_DLL);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_INIT_DEV_OP);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_RFSH);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_INIT_DEV_OP);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_OCD_DEFAULT);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL);
+	out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
+
+	/* Start MDDRC */
+	out_be32(&im->mddrc.ddr_time_config0, CONFIG_SYS_MDDRC_TIME_CFG0_RUN);
+	out_be32(&im->mddrc.ddr_sys_config, CONFIG_SYS_MDDRC_SYS_CFG_RUN);
+
+	return msize;
+}
+
+int misc_init_r(void)
+{
+	u32 tmp;
+
+	/* we use I2C-2 for on-board eeprom */
+	i2c_set_bus_num(2);
+
+	tmp = in_be32((u32*)CONFIG_SYS_ARIA_FPGA_BASE);
+	printf("FPGA:  %u-%u.%u.%u\n",
+		(tmp & 0xFF000000) >> 24,
+		(tmp & 0x00FF0000) >> 16,
+		(tmp & 0x0000FF00) >>  8,
+		 tmp & 0x000000FF
+	);
+
+#ifdef CONFIG_FSL_DIU_FB
+# if	!(defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE))
+	mpc5121_diu_init();
+# endif
+#endif
+	return 0;
+}
+
+static  iopin_t ioregs_init[] = {
+	/*
+	 * FEC
+	 */
+
+	/* FEC on PSCx_x*/
+	{
+		offsetof(struct ioctrl512x, io_control_psc0_0), 5, 0,
+		IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+		IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
+	},
+	{
+		offsetof(struct ioctrl512x, io_control_psc1_0), 10, 0,
+		IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+		IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
+	},
+	{
+		offsetof(struct ioctrl512x, io_control_spdif_txclk), 3, 0,
+		IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+		IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
+	},
+
+	/*
+	 * DIU
+	 */
+	/* FUNC2=DIU CLK */
+	{
+		offsetof(struct ioctrl512x, io_control_psc6_0), 1, 0,
+		IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+		IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3)
+	},
+	/* FUNC2=DIU_HSYNC */
+	{
+		offsetof(struct ioctrl512x, io_control_psc6_1), 1, 0,
+		IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+		IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
+	},
+	/* FUNC2=DIUVSYNC Sets Next 26 to DIU Pads */
+	{
+		offsetof(struct ioctrl512x, io_control_psc6_4), 26, 0,
+		IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+		IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
+	},
+	/*
+	 * On board SRAM
+	 */
+	/* FUNC2=/LPC CS6 */
+	{
+		offsetof(struct ioctrl512x, io_control_j1850_rx), 1, 0,
+		IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+		IO_PIN_PUE(1) | IO_PIN_ST(1) | IO_PIN_DS(3)
+	},
+};
+
+
+int checkboard (void)
+{
+	puts("Board: ARIA\n");
+
+	/* initialize function mux & slew rate IO inter alia on IO Pins  */
+
+	iopin_initialize(ioregs_init, ARRAY_SIZE(ioregs_init));
+
+	return 0;
+}
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+	ft_cpu_setup(blob, bd);
+	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
+}
+#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */