Add qemu 2.4.0
[kvmfornfv.git] / qemu / roms / u-boot / board / svm_sc8xx / svm_sc8xx.c
diff --git a/qemu/roms/u-boot/board/svm_sc8xx/svm_sc8xx.c b/qemu/roms/u-boot/board/svm_sc8xx/svm_sc8xx.c
new file mode 100644 (file)
index 0000000..5db4850
--- /dev/null
@@ -0,0 +1,144 @@
+/*
+ * (C) Copyright 2000, 2001, 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <mpc8xx.h>
+
+/* ------------------------------------------------------------------------- */
+const uint sdram_table[] =
+{
+/*-----------------
+ UPM A contents:
+----------------- */
+/*---------------------------------------------------
+ Read Single Beat Cycle. Offset 0 in the RAM array.
+---------------------------------------------------- */
+0x1f07fc04,  0xeeaefc04,  0x11adfc04,  0xefbbbc00 ,
+0x1ff77c47,  0x1ff77c35,  0xefeabc34,  0x1fb57c35 ,
+/*------------------------------------------------
+ Read Burst Cycle. Offset 0x8 in the RAM array.
+------------------------------------------------ */
+0x1f07fc04,  0xeeaefc04,  0x10adfc04,  0xf0affc00,
+0xf0affc00,  0xf1affc00,  0xefbbbc00,  0x1ff77c47,
+0xffffffff,  0xffffffff,  0xffffffff,  0xffffffff,
+0xffffffff,  0xffffffff,  0xffffffff,  0xffffffff,
+/*-------------------------------------------------------
+ Write Single Beat Cycle. Offset 0x18 in the RAM array
+------------------------------------------------------- */
+0x1f27fc04,  0xeeaebc00,  0x01b93c04,  0x1ff77c47 ,
+0xffffffff,  0xffffffff,  0xffffffff,  0xffffffff ,
+/*-------------------------------------------------
+ Write Burst Cycle. Offset 0x20 in the RAM array
+------------------------------------------------- */
+0x1f07fc04, 0xeeaebc00, 0x10ad7c00, 0xf0affc00,
+0xf0affc00, 0xe1bbbc04, 0x1ff77c47, 0xffffffff,
+0xffffffff,  0xffffffff,  0xffffffff,  0xffffffff ,
+0xffffffff,  0xffffffff,  0xffffffff,  0xffffffff ,
+/*------------------------------------------------------------------------
+ Periodic Timer Expired. For DRAM refresh. Offset 0x30 in the RAM array
+------------------------------------------------------------------------ */
+0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+0xfffffc84, 0xfffffc07, 0xffffffff, 0xffffffff,
+0xffffffff,  0xffffffff,  0xffffffff,  0xffffffff ,
+/*-----------
+*  Exception:
+*  ----------- */
+0x7ffefc07,  0xffffffff,  0xffffffff,  0xffffffff ,
+};
+
+/* ------------------------------------------------------------------------- */
+/*
+ * Check Board Identity:
+ *
+ * Test ID string (SVM8...)
+ *
+ * Return 1 for "SC8xx" type, 0 else.
+ */
+
+int checkboard(void)
+{
+       char buf[64];
+       int i;
+       int l = getenv_f("serial#", buf, sizeof(buf));
+
+       if (l < 0 || strncmp(buf, "SVM8", 4)) {
+               printf("### No HW ID - assuming SVM SC8xx\n");
+               return (0);
+       }
+
+       for (i = 0; i < l; ++i) {
+               if (buf[i] == ' ')
+                       break;
+               putc(buf[i]);
+       }
+
+       putc('\n');
+
+       return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+phys_size_t initdram (int board_type)
+{
+       volatile immap_t     *immap  = (immap_t *)CONFIG_SYS_IMMR;
+       volatile memctl8xx_t *memctl = &immap->im_memctl;
+       long int size_b0 = 0;
+
+       upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint));
+
+       memctl->memc_mptpr = CONFIG_SYS_MPTPR;
+#if defined (CONFIG_SDRAM_16M)
+       memctl->memc_mamr = 0x00802114 | CONFIG_SYS_MxMR_PTx;
+       memctl->memc_mcr  = 0x80002105;     /* SDRAM bank 0 */
+       udelay(1);
+       memctl->memc_mcr  = 0x80002830;
+       udelay(1);
+       memctl->memc_mar  = 0x00000088;
+       udelay(1);
+       memctl->memc_mcr  = 0x80002106;
+       udelay(1);
+       memctl->memc_or1 =  0xff000a00;
+       size_b0 = 0x01000000;
+#elif defined (CONFIG_SDRAM_32M)
+       memctl->memc_mamr = 0x00904114 | CONFIG_SYS_MxMR_PTx;
+       memctl->memc_mcr  = 0x80002105;     /* SDRAM bank 0 */
+       udelay(1);
+       memctl->memc_mcr  = 0x80002830;
+       udelay(1);
+       memctl->memc_mar  = 0x00000088;
+       udelay(1);
+       memctl->memc_mcr  = 0x80002106;
+       udelay(1);
+       memctl->memc_or1 =  0xfe000a00;
+       size_b0 = 0x02000000;
+#elif defined (CONFIG_SDRAM_64M)
+       memctl->memc_mamr = 0x00a04114 | CONFIG_SYS_MxMR_PTx;
+       memctl->memc_mcr  = 0x80002105;     /* SDRAM bank 0 */
+       udelay(1);
+       memctl->memc_mcr  = 0x80002830;
+       udelay(1);
+       memctl->memc_mar  = 0x00000088;
+       udelay(1);
+       memctl->memc_mcr  = 0x80002106;
+       udelay(1);
+       memctl->memc_or1 =  0xfc000a00;
+       size_b0 = 0x04000000;
+#else
+#error SDRAM size configuration missing.
+#endif
+       memctl->memc_br1 =  0x00000081;
+       udelay(200);
+       return (size_b0 );
+}
+
+#if defined(CONFIG_CMD_DOC)
+void doc_init (void)
+{
+               doc_probe (CONFIG_SYS_DOC_BASE);
+}
+#endif