sh: Add support 32-Bit Extended Address Mode to sh7785lcr

[karo-tx-uboot.git] / board / renesas / sh7785lcr / sh7785lcr.c

diff --git a/board/renesas/sh7785lcr/sh7785lcr.c b/board/renesas/sh7785lcr/sh7785lcr.c
index 786c758a92c2efd1bead82ff3ca790237a28a975..1d81688753d3d02d9f2c2d1da61829e0d8df6822 100644 (file)
--- a/board/renesas/sh7785lcr/sh7785lcr.c
+++ b/board/renesas/sh7785lcr/sh7785lcr.c
@@ -54,3 +54,35 @@ int board_eth_init(bd_t *bis)
 {
        return pci_eth_init(bis);
 }
+
+#if defined(CONFIG_SH_32BIT)
+int do_pmb(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+       /* clear ITLB */
+       writel(0x00000004, 0xff000010);
+
+       /* delete PMB for peripheral */
+       writel(0, PMB_ADDR_BASE(0));
+       writel(0, PMB_DATA_BASE(0));
+       writel(0, PMB_ADDR_BASE(1));
+       writel(0, PMB_DATA_BASE(1));
+       writel(0, PMB_ADDR_BASE(2));
+       writel(0, PMB_DATA_BASE(2));
+
+       /* add PMB for SDRAM(0x40000000 - 0x47ffffff) */
+       writel(mk_pmb_addr_val(0x80), PMB_ADDR_BASE(8));
+       writel(mk_pmb_data_val(0x40, 0, 1, 1, 0, 1, 1), PMB_DATA_BASE(8));
+       writel(mk_pmb_addr_val(0xa0), PMB_ADDR_BASE(12));
+       writel(mk_pmb_data_val(0x40, 1, 1, 1, 0, 0, 1), PMB_DATA_BASE(12));
+
+       return 0;
+}
+
+U_BOOT_CMD(
+       pmb,    1,      1,      do_pmb,
+       "pmb     - PMB setting\n",
+       "\n"
+       "    - PMB setting for all SDRAM mapping\n"
+);
+#endif
+