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authorTimothy Pearson <tpearson@raptorengineering.com>2017-08-23 15:54:21 -0500
committerTimothy Pearson <tpearson@raptorengineering.com>2017-08-23 15:54:21 -0500
commit0223e595f4033e91e93403a7317bcc9e47676b8f (patch)
tree2ccd7127bc343f82456b76eeb0da2d380f6eaf65 /board/mx1ads/mx1ads.c
downloadast2050-uboot-0223e595f4033e91e93403a7317bcc9e47676b8f.zip
ast2050-uboot-0223e595f4033e91e93403a7317bcc9e47676b8f.tar.gz
Initial import of modified u-boot tree
Original upstream URL: git://git.denx.de/u-boot.git Original upstream GIT hash: 62c175fbb8a0f9a926c88294ea9f7e88eb898f6c
Diffstat (limited to 'board/mx1ads/mx1ads.c')
-rw-r--r--board/mx1ads/mx1ads.c191
1 files changed, 191 insertions, 0 deletions
diff --git a/board/mx1ads/mx1ads.c b/board/mx1ads/mx1ads.c
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+++ b/board/mx1ads/mx1ads.c
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+/*
+ * board/mx1ads/mx1ads.c
+ *
+ * (c) Copyright 2004
+ * Techware Information Technology, Inc.
+ * http://www.techware.com.tw/
+ *
+ * Ming-Len Wu <minglen_wu@techware.com.tw>
+ *
+ * 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 <netdev.h>
+/*#include <mc9328.h>*/
+#include <asm/arch/imx-regs.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define FCLK_SPEED 1
+
+#if FCLK_SPEED==0 /* Fout = 203MHz, Fin = 12MHz for Audio */
+#define M_MDIV 0xC3
+#define M_PDIV 0x4
+#define M_SDIV 0x1
+#elif FCLK_SPEED==1 /* Fout = 202.8MHz */
+#define M_MDIV 0xA1
+#define M_PDIV 0x3
+#define M_SDIV 0x1
+#endif
+
+#define USB_CLOCK 1
+
+#if USB_CLOCK==0
+#define U_M_MDIV 0xA1
+#define U_M_PDIV 0x3
+#define U_M_SDIV 0x1
+#elif USB_CLOCK==1
+#define U_M_MDIV 0x48
+#define U_M_PDIV 0x3
+#define U_M_SDIV 0x2
+#endif
+
+#if 0
+
+static inline void delay (unsigned long loops)
+{
+ __asm__ volatile ("1:\n"
+ "subs %0, %1, #1\n"
+ "bne 1b":"=r" (loops):"0" (loops));
+}
+
+#endif
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+
+void SetAsynchMode (void)
+{
+ __asm__ ("mrc p15,0,r0,c1,c0,0 \n"
+ "mov r2, #0xC0000000 \n"
+ "orr r0,r2,r0 \n" "mcr p15,0,r0,c1,c0,0 \n");
+}
+
+static u32 mc9328sid;
+
+int board_early_init_f(void)
+{
+ mc9328sid = SIDR;
+
+ GPCR = 0x000003AB; /* I/O pad driving strength */
+
+ /* MX1_CS1U = 0x00000A00; */ /* SRAM initialization */
+/* MX1_CS1L = 0x11110601; */
+
+ MPCTL0 = 0x04632410; /* setting for 150 MHz MCU PLL CLK */
+
+/* set FCLK divider 1 (i.e. FCLK to MCU PLL CLK) and
+ * BCLK divider to 2 (i.e. BCLK to 48 MHz)
+ */
+ CSCR = 0xAF000403;
+
+ CSCR |= 0x00200000; /* Trigger the restart bit(bit 21) */
+ CSCR &= 0xFFFF7FFF; /* Program PRESC bit(bit 15) to 0 to divide-by-1 */
+
+/* setup cs4 for cs8900 ethernet */
+
+ CS4U = 0x00000F00; /* Initialize CS4 for CS8900 ethernet */
+ CS4L = 0x00001501;
+
+ GIUS (0) &= 0xFF3FFFFF;
+ GPR (0) &= 0xFF3FFFFF;
+
+ readl(0x1500000C);
+ readl(0x1500000C);
+
+ SetAsynchMode ();
+
+ icache_enable ();
+ dcache_enable ();
+
+/* set PERCLKs */
+ PCDR = 0x00000055; /* set PERCLKS */
+
+/* PERCLK3 is only used by SSI so the SSI driver can set it any value it likes
+ * PERCLK1 and PERCLK2 are shared so DO NOT change it in any other place
+ * all sources selected as normal interrupt
+ */
+
+/* MX1_INTTYPEH = 0;
+ MX1_INTTYPEL = 0;
+*/
+ return 0;
+}
+
+int board_init(void)
+{
+ gd->bd->bi_arch_number = MACH_TYPE_MX1ADS;
+
+ gd->bd->bi_boot_params = 0x08000100; /* adress of boot parameters */
+
+ return 0;
+}
+
+int board_late_init (void)
+{
+
+ setenv ("stdout", "serial");
+ setenv ("stderr", "serial");
+
+ switch (mc9328sid) {
+ case 0x0005901d:
+ printf ("MX1ADS board with MC9328 MX1 (0L44N), Silicon ID 0x%08x \n\n",
+ mc9328sid);
+ break;
+ case 0x04d4c01d:
+ printf ("MX1ADS board with MC9328 MXL (1L45N), Silicon ID 0x%08x \n\n",
+ mc9328sid);
+ break;
+ case 0x00d4c01d:
+ printf ("MX1ADS board with MC9328 MXL (2L45N), Silicon ID 0x%08x \n\n",
+ mc9328sid);
+ break;
+
+ default:
+ printf ("MX1ADS board with UNKNOWN MC9328 cpu, Silicon ID 0x%08x \n",
+ mc9328sid);
+ break;
+ }
+ return 0;
+}
+
+int dram_init(void)
+{
+ /* dram_init must store complete ramsize in gd->ram_size */
+ gd->ram_size = get_ram_size((void *)PHYS_SDRAM_1,
+ PHYS_SDRAM_1_SIZE);
+ return 0;
+}
+
+void dram_init_banksize(void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+}
+
+#ifdef CONFIG_CMD_NET
+int board_eth_init(bd_t *bis)
+{
+ int rc = 0;
+#ifdef CONFIG_CS8900
+ rc = cs8900_initialize(0, CONFIG_CS8900_BASE);
+#endif
+ return rc;
+}
+#endif
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