[U-Boot] [PATCHv2 18/20] arm: socfpga: spl: add board_init_f to SPL

dinguyen at opensource.altera.com dinguyen at opensource.altera.com
Mon Mar 2 17:28:06 CET 2015


From: Dinh Nguyen <dinguyen at opensource.altera.com>

Remap SDRAM to 0x0 in board_init_f().

Signed-off-by: Dinh Nguyen <dinguyen at opensource.altera.com>
---
 arch/arm/cpu/armv7/socfpga/spl.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm/cpu/armv7/socfpga/spl.c b/arch/arm/cpu/armv7/socfpga/spl.c
index 31ac789..21023c2 100644
--- a/arch/arm/cpu/armv7/socfpga/spl.c
+++ b/arch/arm/cpu/armv7/socfpga/spl.c
@@ -6,6 +6,7 @@
 
 #include <common.h>
 #include <asm/io.h>
+#include <asm/pl310.h>
 #include <asm/u-boot.h>
 #include <asm/utils.h>
 #include <version.h>
@@ -20,6 +21,9 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+static struct pl310_regs *const pl310 =
+	(struct pl310_regs *)CONFIG_SYS_PL310_BASE;
+
 #define MAIN_VCO_BASE (					\
 	(CONFIG_HPS_MAINPLLGRP_VCO_DENOM <<		\
 		CLKMGR_MAINPLLGRP_VCO_DENOM_OFFSET) |	\
@@ -45,6 +49,16 @@ DECLARE_GLOBAL_DATA_PTR;
 		CLKMGR_SDRPLLGRP_VCO_NUMER_OFFSET)	\
 	)
 
+void board_init_f(ulong dummy)
+{
+	memset(__bss_start, 0, __bss_end - __bss_start);
+	gd = &gdata;
+
+	writel(0x1, &pl310->pl310_addr_filter_start);
+
+	board_init_r(NULL, 0);
+}
+
 u32 spl_boot_device(void)
 {
 	return BOOT_DEVICE_RAM;
-- 
2.2.1



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