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[2/7] ARM: DRA7: hwmod: Add data for AES IP

Message ID 1476777327-700-3-git-send-email-t-kristo@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tero Kristo Oct. 18, 2016, 7:55 a.m. UTC 
From: Joel Fernandes <joelf@ti.com>

DRA7 SoC contains AES crypto hardware accelerator. Add hwmod data for
this IP so that it can be utilized by crypto frameworks.

Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
[t-kristo@ti.com: squash in support for both AES1 and AES2 cores]
Signed-off-by: Tero Kristo <t-kristo@ti.com>
---
 arch/arm/mach-omap2/omap_hwmod_7xx_data.c | 62 +++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
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Patch

diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
index e89a7ec..4988a9e 100644
--- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
@@ -690,6 +690,50 @@ 
 	.parent_hwmod	= &dra7xx_dss_hwmod,
 };
 
+/* AES (the 'P' (public) device) */
+static struct omap_hwmod_class_sysconfig dra7xx_aes_sysc = {
+	.rev_offs	= 0x0080,
+	.sysc_offs	= 0x0084,
+	.syss_offs	= 0x0088,
+	.sysc_flags	= SYSS_HAS_RESET_STATUS,
+};
+
+static struct omap_hwmod_class dra7xx_aes_hwmod_class = {
+	.name	= "aes",
+	.sysc	= &dra7xx_aes_sysc,
+	.rev	= 2,
+};
+
+/* AES1 */
+static struct omap_hwmod dra7xx_aes1_hwmod = {
+	.name		= "aes1",
+	.class		= &dra7xx_aes_hwmod_class,
+	.clkdm_name	= "l4sec_clkdm",
+	.main_clk	= "l3_iclk_div",
+	.prcm = {
+		.omap4 = {
+			.clkctrl_offs = DRA7XX_CM_L4SEC_AES1_CLKCTRL_OFFSET,
+			.context_offs = DRA7XX_RM_L4SEC_AES1_CONTEXT_OFFSET,
+			.modulemode   = MODULEMODE_HWCTRL,
+		},
+	},
+};
+
+/* AES2 */
+static struct omap_hwmod dra7xx_aes2_hwmod = {
+	.name		= "aes2",
+	.class		= &dra7xx_aes_hwmod_class,
+	.clkdm_name	= "l4sec_clkdm",
+	.main_clk	= "l3_iclk_div",
+	.prcm = {
+		.omap4 = {
+			.clkctrl_offs = DRA7XX_CM_L4SEC_AES2_CLKCTRL_OFFSET,
+			.context_offs = DRA7XX_RM_L4SEC_AES2_CONTEXT_OFFSET,
+			.modulemode   = MODULEMODE_HWCTRL,
+		},
+	},
+};
+
 /*
  * 'elm' class
  *
@@ -2957,6 +3001,22 @@  static int dra7xx_pciess_reset(struct omap_hwmod *oh)
 	.user		= OCP_USER_MPU | OCP_USER_SDMA,
 };
 
+/* l3_main_1 -> aes1 */
+static struct omap_hwmod_ocp_if dra7xx_l3_main_1__aes1 = {
+	.master		= &dra7xx_l3_main_1_hwmod,
+	.slave		= &dra7xx_aes1_hwmod,
+	.clk		= "l3_iclk_div",
+	.user		= OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+/* l3_main_1 -> aes2 */
+static struct omap_hwmod_ocp_if dra7xx_l3_main_1__aes2 = {
+	.master		= &dra7xx_l3_main_1_hwmod,
+	.slave		= &dra7xx_aes2_hwmod,
+	.clk		= "l3_iclk_div",
+	.user		= OCP_USER_MPU | OCP_USER_SDMA,
+};
+
 /* l4_per2 -> mcasp1 */
 static struct omap_hwmod_ocp_if dra7xx_l4_per2__mcasp1 = {
 	.master		= &dra7xx_l4_per2_hwmod,
@@ -3836,6 +3896,8 @@  static int dra7xx_pciess_reset(struct omap_hwmod *oh)
 	&dra7xx_l3_main_1__dss,
 	&dra7xx_l3_main_1__dispc,
 	&dra7xx_l3_main_1__hdmi,
+	&dra7xx_l3_main_1__aes1,
+	&dra7xx_l3_main_1__aes2,
 	&dra7xx_l4_per1__elm,
 	&dra7xx_l4_wkup__gpio1,
 	&dra7xx_l4_per1__gpio2,