arm: socfpga: misc: Move bridge command to misc common

Move bridge command to misc common driver, in preparation to used by
other platforms.

Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>

arch/arm/mach-socfpga/include/mach/misc.h

@@ -27,4 +27,6 @@ unsigned int shared_uart_com_port(const void *blob);
 unsigned int uart_com_port(const void *blob);
 #endif
 
+void do_bridge_reset(int enable);
+
 #endif /* _MISC_H_ */

arch/arm/mach-socfpga/misc.c

@@ -204,3 +204,35 @@ int socfpga_eth_reset_common(void (*resetfn)(const u8 of_reset_id,
 	return 0;
 }
 #endif
+
+#ifndef CONFIG_SPL_BUILD
+static int do_bridge(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	if (argc != 2)
+		return CMD_RET_USAGE;
+
+	argv++;
+
+	switch (*argv[0]) {
+	case 'e':	/* Enable */
+		do_bridge_reset(1);
+		break;
+	case 'd':	/* Disable */
+		do_bridge_reset(0);
+		break;
+	default:
+		return CMD_RET_USAGE;
+	}
+
+	return 0;
+}
+
+U_BOOT_CMD(
+	bridge, 2, 1, do_bridge,
+	"SoCFPGA HPS FPGA bridge control",
+	"enable  - Enable HPS-to-FPGA, FPGA-to-HPS, LWHPS-to-FPGA bridges\n"
+	"bridge disable - Enable HPS-to-FPGA, FPGA-to-HPS, LWHPS-to-FPGA bridges\n"
+	""
+);
+
+#endif

arch/arm/mach-socfpga/misc_gen5.c

@@ -259,40 +259,20 @@ static void socfpga_sdram_apply_static_cfg(void)
 	: : "r"(val), "r"(&sdr_ctrl->static_cfg) : "memory", "cc");
 }
 
-static int do_bridge(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+void do_bridge_reset(int enable)
 {
-	if (argc != 2)
-		return CMD_RET_USAGE;
-
-	argv++;
-
-	switch (*argv[0]) {
-	case 'e':	/* Enable */
+	if (enable) {
 		writel(iswgrp_handoff[2], &sysmgr_regs->fpgaintfgrp_module);
 		socfpga_sdram_apply_static_cfg();
 		writel(iswgrp_handoff[3], &sdr_ctrl->fpgaport_rst);
 		writel(iswgrp_handoff[0], &reset_manager_base->brg_mod_reset);
 		writel(iswgrp_handoff[1], &nic301_regs->remap);
-		break;
-	case 'd':	/* Disable */
+	} else {
 		writel(0, &sysmgr_regs->fpgaintfgrp_module);
 		writel(0, &sdr_ctrl->fpgaport_rst);
 		socfpga_sdram_apply_static_cfg();
 		writel(0, &reset_manager_base->brg_mod_reset);
 		writel(1, &nic301_regs->remap);
-		break;
-	default:
-		return CMD_RET_USAGE;
 	}
-
-	return 0;
 }
-
-U_BOOT_CMD(
-	bridge, 2, 1, do_bridge,
-	"SoCFPGA HPS FPGA bridge control",
-	"enable  - Enable HPS-to-FPGA, FPGA-to-HPS, LWHPS-to-FPGA bridges\n"
-	"bridge disable - Enable HPS-to-FPGA, FPGA-to-HPS, LWHPS-to-FPGA bridges\n"
-	""
-);
 #endif