mpc85xx: Add support for the Varisys Cyrus board

This board runs a P5020 or P5040 chip, and utilizes
an EEPROM with similar formatting to the Freescale P5020DS.

Large amounts of this code were developed by
Adrian Cox <adrian at humboldt dot co dot uk>

Signed-off-by: Andy Fleming <afleming@gmail.com>
Reviewed-by: York Sun <yorksun@freescale.com>

1 files changed, 106 insertions, 0 deletions

diff --git a/board/varisys/cyrus/tlb.c b/board/varisys/cyrus/tlb.c
new file mode 100644
index 0000000..3fa5864
--- /dev/null
+++ b/board/varisys/cyrus/tlb.c
@@ -0,0 +1,106 @@
+/*
+ * Author: Adrian Cox
+ * Based on corenet_ds tlb code
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/mmu.h>
+
+struct fsl_e_tlb_entry tlb_table[] = {
+	/* TLB 0 - for temp stack in cache */
+	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR,
+		      CONFIG_SYS_INIT_RAM_ADDR_PHYS,
+		      MAS3_SW|MAS3_SR, 0,
+		      0, 0, BOOKE_PAGESZ_4K, 0),
+	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
+		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 1024,
+		      MAS3_SW|MAS3_SR, 0,
+		      0, 0, BOOKE_PAGESZ_4K, 0),
+	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
+		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 8 * 1024,
+		      MAS3_SW|MAS3_SR, 0,
+		      0, 0, BOOKE_PAGESZ_4K, 0),
+	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
+		      CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024,
+		      MAS3_SW|MAS3_SR, 0,
+		      0, 0, BOOKE_PAGESZ_4K, 0),
+
+	/* TLB 1 */
+	/* *I*** - Covers boot page */
+#if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L3_ADDR)
+	/*
+	 * *I*G - L3SRAM. When L3 is used as 1M SRAM, the address of the
+	 * SRAM is at 0xfff00000, it covered the 0xfffff000.
+	 */
+	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR,
+			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+			0, 0, BOOKE_PAGESZ_1M, 1),
+#else
+	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
+		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 0, BOOKE_PAGESZ_4K, 1),
+#endif
+
+	/* *I*G* - CCSRBAR */
+	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
+		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 1, BOOKE_PAGESZ_16M, 1),
+
+	/* Local Bus */
+	SET_TLB_ENTRY(1, CONFIG_SYS_LBC0_BASE, CONFIG_SYS_LBC0_BASE_PHYS,
+		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 2, BOOKE_PAGESZ_64K, 1),
+	SET_TLB_ENTRY(1, CONFIG_SYS_LBC1_BASE, CONFIG_SYS_LBC1_BASE_PHYS,
+		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 3, BOOKE_PAGESZ_4K, 1),
+
+	/* *I*G* - PCI */
+	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
+		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 4, BOOKE_PAGESZ_1G, 1),
+
+	/* *I*G* - PCI */
+	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x40000000,
+		      CONFIG_SYS_PCIE1_MEM_PHYS + 0x40000000,
+		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 5, BOOKE_PAGESZ_256M, 1),
+
+	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x50000000,
+		      CONFIG_SYS_PCIE1_MEM_PHYS + 0x50000000,
+		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 6, BOOKE_PAGESZ_256M, 1),
+
+	/* *I*G* - PCI I/O */
+	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
+		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 7, BOOKE_PAGESZ_256K, 1),
+
+	/* Bman/Qman */
+#ifdef CONFIG_SYS_BMAN_MEM_PHYS
+	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
+		      MAS3_SW|MAS3_SR, 0,
+		      0, 9, BOOKE_PAGESZ_1M, 1),
+	SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x00100000,
+		      CONFIG_SYS_BMAN_MEM_PHYS + 0x00100000,
+		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 10, BOOKE_PAGESZ_1M, 1),
+#endif
+#ifdef CONFIG_SYS_QMAN_MEM_PHYS
+	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
+		      MAS3_SW|MAS3_SR, 0,
+		      0, 11, BOOKE_PAGESZ_1M, 1),
+	SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x00100000,
+		      CONFIG_SYS_QMAN_MEM_PHYS + 0x00100000,
+		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 12, BOOKE_PAGESZ_1M, 1),
+#endif
+#ifdef CONFIG_SYS_DCSRBAR_PHYS
+	SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
+		      MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 13, BOOKE_PAGESZ_4M, 1),
+#endif
+};
+
+int num_tlb_entries = ARRAY_SIZE(tlb_table);