From: Gary King <gking@nvidia.com>
Date: Tue, 20 Jul 2010 21:29:27 +0000 (-0700)
Subject: [ARM] tegra: add iram heap
X-Git-Tag: firefly_0821_release~9834^2~751
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=11d90deeb8299baeb3a96e2e39dccc005a88ea39;p=firefly-linux-kernel-4.4.55.git

[ARM] tegra: add iram heap

AVP modules expect IRAM to be allocatable through nvmap, so the
IRAM heap needs to be created

Change-Id: Idd1bdccd5ff05ae655cb59780a89002a122055c9
Signed-off-by: Gary King <gking@nvidia.com>
---

diff --git a/arch/arm/mach-tegra/board-stingray.c b/arch/arm/mach-tegra/board-stingray.c
index 10d2f5e7e87b..f45542cb68bf 100644
--- a/arch/arm/mach-tegra/board-stingray.c
+++ b/arch/arm/mach-tegra/board-stingray.c
@@ -51,6 +51,7 @@
 #include "gpio-names.h"
 #include "devices.h"
 #include "power.h"
+#include "nv/include/linux/nvmem_ioctl.h"
 
 /* NVidia bootloader tags */
 #define ATAG_NVIDIA		0x41000801
@@ -713,6 +714,9 @@ static struct tegra_suspend_platform_data stingray_suspend = {
 	.wake_any = 0,
 };
 
+extern int nvmap_add_carveout_heap(unsigned long, size_t, const char *,
+				   unsigned int);
+
 static void __init tegra_stingray_init(void)
 {
 	struct clk *clk;
@@ -769,6 +773,9 @@ static void __init tegra_stingray_init(void)
 	clk = tegra_get_clock_by_name("uartb");
 	debug_uart_platform_data[0].uartclk = clk_get_rate(clk);
 
+	nvmap_add_carveout_heap(TEGRA_IRAM_BASE, TEGRA_IRAM_SIZE, "iram",
+				NVMEM_HEAP_CARVEOUT_IRAM);
+
 	clk = clk_get_sys("3d", NULL);
 	tegra_periph_reset_assert(clk);
 	writel(0x101, IO_ADDRESS(TEGRA_PMC_BASE) + 0x30);