Rename ads5121 board into mpc5121ads

We rename the board so we use a consistent name in U-Boot and in
Linux.  Also, we use this opportunity to move the board into the
Freecale vendor directory.

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

1 files changed, 332 insertions, 0 deletions

diff --git a/board/freescale/mpc5121ads/mpc5121ads.c b/board/freescale/mpc5121ads/mpc5121ads.c
new file mode 100644
index 0000000..e8eb491
--- /dev/null
+++ b/board/freescale/mpc5121ads/mpc5121ads.c
@@ -0,0 +1,332 @@
+/*
+ * (C) Copyright 2007 DENX Software Engineering
+ *
+ * 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 <mpc512x.h>
+#include <asm/bitops.h>
+#include <command.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);
+
+/* 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 lpcaw;
+
+	/*
+	 * Initialize Local Window for the CPLD registers access (CS2 selects
+	 * the CPLD chip)
+	 */
+	im->sysconf.lpcs2aw = CSAW_START(CONFIG_SYS_CPLD_BASE) |
+			      CSAW_STOP(CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_SIZE);
+	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
+	 */
+	lpcaw = im->sysconf.lpcs2aw;
+	__asm__ __volatile__ ("isync");
+
+	/*
+	 * Disable Boot NOR FLASH write protect - CPLD Reg 8 NOR FLASH Control
+	 *
+	 * Without this the flash identification routine fails, as it needs to issue
+	 * write commands in order to establish the device ID.
+	 */
+
+#ifdef CONFIG_ADS5121_REV2
+	*((volatile u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) = 0xC1;
+#else
+	if (*((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) & 0x04) {
+		*((volatile u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) = 0xC1;
+	} else {
+		/* running from Backup flash */
+		*((volatile u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) = 0x32;
+	}
+#endif
+	/*
+	 * Configure Flash Speed
+	 */
+	*((volatile u32 *)(CONFIG_SYS_IMMR + LPC_OFFSET + CS0_CONFIG)) = CONFIG_SYS_CS0_CFG;
+	if (SVR_MJREV (im->sysconf.spridr) >= 2) {
+		*((volatile u32 *)(CONFIG_SYS_IMMR + LPC_OFFSET + CS_ALE_TIMING_CONFIG)) = CONFIG_SYS_CS_ALETIMING;
+	}
+	/*
+	 * Enable clocks
+	 */
+	im->clk.sccr[0] = SCCR1_CLOCKS_EN;
+	im->clk.sccr[1] = SCCR2_CLOCKS_EN;
+#if defined(CONFIG_IIM) || defined(CONFIG_CMD_FUSE)
+	im->clk.sccr[1] |= CLOCK_SCCR2_IIM_EN;
+#endif
+
+	return 0;
+}
+
+phys_size_t initdram (int board_type)
+{
+	u32 msize = 0;
+
+	msize = fixed_sdram ();
+
+	return msize;
+}
+
+/*
+ * 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 */
+	im->io_ctrl.regs[IOCTL_MEM/4] = IOCTRL_MUX_DDR;
+
+	/* Initialize DDR Local Window */
+	im->sysconf.ddrlaw.bar = CONFIG_SYS_DDR_BASE & 0xFFFFF000;
+	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
+	 */
+	i = im->sysconf.ddrlaw.ar;
+	__asm__ __volatile__ ("isync");
+
+	/* Enable DDR */
+	im->mddrc.ddr_sys_config = CONFIG_SYS_MDDRC_SYS_CFG_EN;
+
+	/* Initialize DDR Priority Manager */
+	im->mddrc.prioman_config1 = CONFIG_SYS_MDDRCGRP_PM_CFG1;
+	im->mddrc.prioman_config2 = CONFIG_SYS_MDDRCGRP_PM_CFG2;
+	im->mddrc.hiprio_config = CONFIG_SYS_MDDRCGRP_HIPRIO_CFG;
+	im->mddrc.lut_table0_main_upper = CONFIG_SYS_MDDRCGRP_LUT0_MU;
+	im->mddrc.lut_table0_main_lower = CONFIG_SYS_MDDRCGRP_LUT0_ML;
+	im->mddrc.lut_table1_main_upper = CONFIG_SYS_MDDRCGRP_LUT1_MU;
+	im->mddrc.lut_table1_main_lower = CONFIG_SYS_MDDRCGRP_LUT1_ML;
+	im->mddrc.lut_table2_main_upper = CONFIG_SYS_MDDRCGRP_LUT2_MU;
+	im->mddrc.lut_table2_main_lower = CONFIG_SYS_MDDRCGRP_LUT2_ML;
+	im->mddrc.lut_table3_main_upper = CONFIG_SYS_MDDRCGRP_LUT3_MU;
+	im->mddrc.lut_table3_main_lower = CONFIG_SYS_MDDRCGRP_LUT3_ML;
+	im->mddrc.lut_table4_main_upper = CONFIG_SYS_MDDRCGRP_LUT4_MU;
+	im->mddrc.lut_table4_main_lower = CONFIG_SYS_MDDRCGRP_LUT4_ML;
+	im->mddrc.lut_table0_alternate_upper = CONFIG_SYS_MDDRCGRP_LUT0_AU;
+	im->mddrc.lut_table0_alternate_lower = CONFIG_SYS_MDDRCGRP_LUT0_AL;
+	im->mddrc.lut_table1_alternate_upper = CONFIG_SYS_MDDRCGRP_LUT1_AU;
+	im->mddrc.lut_table1_alternate_lower = CONFIG_SYS_MDDRCGRP_LUT1_AL;
+	im->mddrc.lut_table2_alternate_upper = CONFIG_SYS_MDDRCGRP_LUT2_AU;
+	im->mddrc.lut_table2_alternate_lower = CONFIG_SYS_MDDRCGRP_LUT2_AL;
+	im->mddrc.lut_table3_alternate_upper = CONFIG_SYS_MDDRCGRP_LUT3_AU;
+	im->mddrc.lut_table3_alternate_lower = CONFIG_SYS_MDDRCGRP_LUT3_AL;
+	im->mddrc.lut_table4_alternate_upper = CONFIG_SYS_MDDRCGRP_LUT4_AU;
+	im->mddrc.lut_table4_alternate_lower = CONFIG_SYS_MDDRCGRP_LUT4_AL;
+
+	/* Initialize MDDRC */
+	im->mddrc.ddr_sys_config = CONFIG_SYS_MDDRC_SYS_CFG;
+	im->mddrc.ddr_time_config0 = CONFIG_SYS_MDDRC_TIME_CFG0;
+	im->mddrc.ddr_time_config1 = CONFIG_SYS_MDDRC_TIME_CFG1;
+	im->mddrc.ddr_time_config2 = CONFIG_SYS_MDDRC_TIME_CFG2;
+
+	/* Initialize DDR */
+	for (i = 0; i < 10; i++)
+		im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
+
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_RFSH;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_RFSH;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_INIT_DEV_OP;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_EM2;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_EM2;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_EM3;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_EN_DLL;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_INIT_DEV_OP;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_RFSH;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_INIT_DEV_OP;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_OCD_DEFAULT;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL;
+	im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
+
+	/* Start MDDRC */
+	im->mddrc.ddr_time_config0 = CONFIG_SYS_MDDRC_TIME_CFG0_RUN;
+	im->mddrc.ddr_sys_config = CONFIG_SYS_MDDRC_SYS_CFG_RUN;
+
+	return msize;
+}
+
+int misc_init_r(void)
+{
+	u8 tmp_val;
+
+	/* Using this for DIU init before the driver in linux takes over
+	 *  Enable the TFP410 Encoder (I2C address 0x38)
+	 */
+
+	i2c_set_bus_num(2);
+	tmp_val = 0xBF;
+	i2c_write(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
+	/* Verify if enabled */
+	tmp_val = 0;
+	i2c_read(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
+	debug("DVI Encoder Read: 0x%02lx\n", tmp_val);
+
+	tmp_val = 0x10;
+	i2c_write(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
+	/* Verify if enabled */
+	tmp_val = 0;
+	i2c_read(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
+	debug("DVI Encoder Read: 0x%02lx\n", tmp_val);
+
+#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[] = {
+	/* FUNC1=FEC_RX_DV Sets Next 3 to FEC pads */
+	{
+		IOCTL_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)
+	},
+	/* Set highest Slew on 9 PATA pins */
+	{
+		IOCTL_PATA_CE1, 9, 1,
+		IO_PIN_FMUX(0) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+		IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
+	},
+	/* FUNC1=FEC_COL Sets Next 15 to FEC pads */
+	{
+		IOCTL_PSC0_0, 15, 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)
+	},
+	/* FUNC1=SPDIF_TXCLK */
+	{
+		IOCTL_LPC_CS1, 1, 0,
+		IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+		IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3)
+	},
+	/* FUNC2=SPDIF_TX and sets Next pin to SPDIF_RX */
+	{
+		IOCTL_I2C1_SCL, 2, 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 CLK */
+	{
+		IOCTL_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 */
+	{
+		IOCTL_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 */
+	{
+		IOCTL_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)
+	}
+};
+
+static  iopin_t rev2_silicon_pci_ioregs_init[] = {
+	/* FUNC0=PCI Sets next 54 to PCI pads */
+	{
+		IOCTL_PCI_AD31, 54, 0,
+		IO_PIN_FMUX(0) | IO_PIN_HOLD(0) | IO_PIN_DS(0)
+	}
+};
+
+int checkboard (void)
+{
+	ushort brd_rev = *(vu_short *) (CONFIG_SYS_CPLD_BASE + 0x00);
+	uchar cpld_rev = *(vu_char *) (CONFIG_SYS_CPLD_BASE + 0x02);
+	volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
+
+	printf ("Board: ADS5121 rev. 0x%04x (CPLD rev. 0x%02x)\n",
+		brd_rev, cpld_rev);
+
+	/* initialize function mux & slew rate IO inter alia on IO Pins  */
+	iopin_initialize(ioregs_init, ARRAY_SIZE(ioregs_init));
+
+	if (SVR_MJREV (im->sysconf.spridr) >= 2)
+		iopin_initialize(rev2_silicon_pci_ioregs_init, 1);
+
+	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) */