OMAP4: SGX-KM: Enable SGX initialisation

Added most of the generic GPU initialisation code to mach-omap2.

Change-Id: I90f137c18dcb79aa9b65761147d0aedeed021a27

Signed-off-by: Tony Lofthouse <tony.lofthouse@ti.com>
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@canonical.com>
Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@linaro.org>

1 files changed, 81 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index b800217aaa0..19998bffeb3 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -52,6 +52,7 @@ static struct omap_hwmod omap44xx_emif_fw_hwmod;
 static struct omap_hwmod omap44xx_hsi_hwmod;
 static struct omap_hwmod omap44xx_ipu_hwmod;
 static struct omap_hwmod omap44xx_iss_hwmod;
+static struct omap_hwmod omap44xx_gpu_hwmod;
 static struct omap_hwmod omap44xx_iva_hwmod;
 static struct omap_hwmod omap44xx_l3_instr_hwmod;
 static struct omap_hwmod omap44xx_l3_main_1_hwmod;
@@ -326,6 +327,14 @@ static struct omap_hwmod_ocp_if omap44xx_hsi__l3_main_2 = {
 	.user		= OCP_USER_MPU | OCP_USER_SDMA,
 };
 
+/* gpu -> l3_main_2 */
+static struct omap_hwmod_ocp_if omap44xx_gpu__l3_main_2 = {
+	.master		= &omap44xx_gpu_hwmod,
+	.slave		= &omap44xx_l3_main_2_hwmod,
+	.clk		= "l3_div_ck",
+	.user		= OCP_USER_MPU | OCP_USER_SDMA,
+};
+
 /* ipu -> l3_main_2 */
 static struct omap_hwmod_ocp_if omap44xx_ipu__l3_main_2 = {
 	.master		= &omap44xx_ipu_hwmod,
@@ -392,6 +401,7 @@ static struct omap_hwmod_ocp_if *omap44xx_l3_main_2_slaves[] = {
 	&omap44xx_iss__l3_main_2,
 	&omap44xx_iva__l3_main_2,
 	&omap44xx_l3_main_1__l3_main_2,
+	&omap44xx_gpu__l3_main_2,
 	&omap44xx_l4_cfg__l3_main_2,
 	&omap44xx_usb_otg_hs__l3_main_2,
 };
@@ -2152,6 +2162,43 @@ static struct omap_hwmod_addr_space omap44xx_hsi_addrs[] = {
 	},
 };
 
+/*
+ * 'gpu' class
+ * 2d/3d graphics accelerator
+ */
+
+static struct omap_hwmod_class_sysconfig omap44xx_gpu_sysc = {
+	.rev_offs	= 0xfe00,
+	.sysc_offs	= 0xfe10,
+	.sysc_flags	= (SYSC_HAS_MIDLEMODE | SYSC_HAS_SIDLEMODE),
+	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
+			   MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
+	.sysc_fields	= &omap_hwmod_sysc_type2,
+};
+
+static struct omap_hwmod_class omap44xx_gpu_hwmod_class = {
+	.name = "gpu",
+	.sysc = &omap44xx_gpu_sysc,
+};
+
+/* gpu */
+static struct omap_hwmod_irq_info omap44xx_gpu_irqs[] = {
+	{ .irq = 21 + OMAP44XX_IRQ_GIC_START },
+};
+
+/* gpu master ports */
+static struct omap_hwmod_ocp_if *omap44xx_gpu_masters[] = {
+	&omap44xx_gpu__l3_main_2,
+};
+
+static struct omap_hwmod_addr_space omap44xx_gpu_addrs[] = {
+	{
+		.pa_start	= 0x56000000,
+		.pa_end		= 0x5600ffff,
+		.flags		= ADDR_TYPE_RT
+	},
+};
+
 /* l4_cfg -> hsi */
 static struct omap_hwmod_ocp_if omap44xx_l4_cfg__hsi = {
 	.master		= &omap44xx_l4_cfg_hwmod,
@@ -2185,6 +2232,40 @@ static struct omap_hwmod omap44xx_hsi_hwmod = {
 	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP44XX),
 };
 
+/* l3_main_2 -> gpu */
+static struct omap_hwmod_ocp_if omap44xx_l3_main_2__gpu = {
+	.master		= &omap44xx_l3_main_2_hwmod,
+	.slave		= &omap44xx_gpu_hwmod,
+	.clk		= "l3_div_ck",
+	.addr		= omap44xx_gpu_addrs,
+	.addr_cnt	= ARRAY_SIZE(omap44xx_gpu_addrs),
+	.user		= OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+/* gpu slave ports */
+static struct omap_hwmod_ocp_if *omap44xx_gpu_slaves[] = {
+	&omap44xx_l3_main_2__gpu,
+};
+
+static struct omap_hwmod omap44xx_gpu_hwmod = {
+	.name		= "gpu",
+	.class		= &omap44xx_gpu_hwmod_class,
+	.mpu_irqs	= omap44xx_gpu_irqs,
+	.mpu_irqs_cnt	= ARRAY_SIZE(omap44xx_gpu_irqs),
+	.main_clk	= "gpu_fck",
+	.vdd_name	= "core",
+	.prcm = {
+		.omap4 = {
+			.clkctrl_reg = OMAP4430_CM_GFX_GFX_CLKCTRL,
+		},
+	},
+	.slaves		= omap44xx_gpu_slaves,
+	.slaves_cnt	= ARRAY_SIZE(omap44xx_gpu_slaves),
+	.masters	= omap44xx_gpu_masters,
+	.masters_cnt	= ARRAY_SIZE(omap44xx_gpu_masters),
+	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP44XX),
+};
+
 /*
  * 'i2c' class
  * multimaster high-speed i2c controller