[coreboot-gerrit] Patch set updated for coreboot: spike-riscv: Register RAM resource at 0x80000000

Jonathan Neuschäfer (j.neuschaefer@gmx.net) gerrit at coreboot.org
Thu Jul 7 21:01:26 CEST 2016


Jonathan Neuschäfer (j.neuschaefer at gmx.net) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/15511

-gerrit

commit 9bd1a9a87b34beef86e3f45aaa28a1080689a920
Author: Jonathan Neuschäfer <j.neuschaefer at gmx.net>
Date:   Thu Jul 7 20:53:29 2016 +0200

    spike-riscv: Register RAM resource at 0x80000000
    
    Without this patch, the CBFS loader won't load segments into the RAM.
    
    Change-Id: If05c8edb51f9fe2f7af84178826f93b193cfd8a9
    Signed-off-by: Jonathan Neuschäfer <j.neuschaefer at gmx.net>
---
 src/mainboard/emulation/spike-riscv/mainboard.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/mainboard/emulation/spike-riscv/mainboard.c b/src/mainboard/emulation/spike-riscv/mainboard.c
index 111e9b1..df2bdd6 100644
--- a/src/mainboard/emulation/spike-riscv/mainboard.c
+++ b/src/mainboard/emulation/spike-riscv/mainboard.c
@@ -19,13 +19,21 @@
 
 static void mainboard_enable(device_t dev)
 {
+	/*
+	 * Size of the emulated system RAM. On hardware, this would be external
+	 * DDR memory.
+	 *
+	 * TODO: Get this size from the hardware-supplied configuration string.
+	 */
+	const size_t ram_size = 1*GiB;
 
 	if (!dev) {
 		printk(BIOS_EMERG, "No dev0; die\n");
 		while (1);
 	}
 
-	ram_resource(dev, 0, 2048, 32768);
+	ram_resource(dev, 0, 0x80000000/KiB, ram_size/KiB);
+
 	cbmem_recovery(0);
 }
 



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