[coreboot-gerrit] New patch to review for coreboot: [WIP] spike-riscv: Register RAM resource at 0x80000000

[Jonathan Neuschäfer (j.neuschaefer@gmx.net)]

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 133d824e3f523cd68bcb630117a53de8a61f673d
Author: Jonathan Neuschäfer <j.neuschaefer at gmx.net>
Date:   Wed Jun 29 21:59:32 2016 +0200

    [WIP] 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 | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/mainboard/emulation/spike-riscv/mainboard.c b/src/mainboard/emulation/spike-riscv/mainboard.c
index 111e9b1..5a481f3 100644
--- a/src/mainboard/emulation/spike-riscv/mainboard.c
+++ b/src/mainboard/emulation/spike-riscv/mainboard.c
@@ -19,13 +19,22 @@
 
 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);
+	/* TODO: move to src/arch/riscv? */
+	ram_resource(dev, 0, 0x80000000/KiB, ram_size/KiB);
+
 	cbmem_recovery(0);
 }