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authorMark A. Greer <mgreer@animalcreek.com>2012-12-21 20:28:09 +0400
committerPaul Walmsley <paul@pwsan.com>2013-03-31 01:51:33 +0400
commit660ffd6ba2405ed7ff614ab73f282e056c47d8f6 (patch)
tree1077d8eec0a021161855a521fc6b93bf7b069010 /arch
parentaec94bf5b62879c7ae18a212a2dc0c0823c780c9 (diff)
downloadlinux-660ffd6ba2405ed7ff614ab73f282e056c47d8f6.tar.xz
ARM: OMAP2xxx: hwmod: Convert AES crypto devcie data to hwmod
Convert the device data for the OMAP2 AES crypto IP from explicit platform_data to hwmod. CC: Paul Walmsley <paul@pwsan.com> Signed-off-by: Mark A. Greer <mgreer@animalcreek.com> [paul@pwsan.com: fixed lines causing sparse warnings] Signed-off-by: Paul Walmsley <paul@pwsan.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-omap2/cclock2430_data.c1
-rw-r--r--arch/arm/mach-omap2/devices.c35
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_2420_data.c1
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_2430_data.c1
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c18
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c38
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_common_data.h2
7 files changed, 71 insertions, 25 deletions
diff --git a/arch/arm/mach-omap2/cclock2430_data.c b/arch/arm/mach-omap2/cclock2430_data.c
index d8bb13ef70a0..5e4b037bb24c 100644
--- a/arch/arm/mach-omap2/cclock2430_data.c
+++ b/arch/arm/mach-omap2/cclock2430_data.c
@@ -1982,6 +1982,7 @@ static struct omap_clk omap2430_clks[] = {
CLK("omap_rng", "ick", &rng_ick),
CLK(NULL, "rng_ick", &rng_ick),
CLK("omap-aes", "ick", &aes_ick),
+ CLK(NULL, "aes_ick", &aes_ick),
CLK(NULL, "pka_ick", &pka_ick),
CLK(NULL, "usb_fck", &usb_fck),
CLK("musb-omap2430", "ick", &usbhs_ick),
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 6ff9907e3b54..c4c7d1d70158 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -519,28 +519,6 @@ static void __init omap_init_sham(void)
#if defined(CONFIG_CRYPTO_DEV_OMAP_AES) || defined(CONFIG_CRYPTO_DEV_OMAP_AES_MODULE)
-#ifdef CONFIG_ARCH_OMAP2
-static struct resource omap2_aes_resources[] = {
- {
- .start = OMAP24XX_SEC_AES_BASE,
- .end = OMAP24XX_SEC_AES_BASE + 0x4C,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = OMAP24XX_DMA_AES_TX,
- .flags = IORESOURCE_DMA,
- },
- {
- .start = OMAP24XX_DMA_AES_RX,
- .flags = IORESOURCE_DMA,
- }
-};
-static int omap2_aes_resources_sz = ARRAY_SIZE(omap2_aes_resources);
-#else
-#define omap2_aes_resources NULL
-#define omap2_aes_resources_sz 0
-#endif
-
#ifdef CONFIG_ARCH_OMAP3
static struct resource omap3_aes_resources[] = {
{
@@ -571,16 +549,23 @@ static struct platform_device aes_device = {
static void omap_init_aes(void)
{
if (cpu_is_omap24xx()) {
- aes_device.resource = omap2_aes_resources;
- aes_device.num_resources = omap2_aes_resources_sz;
+ struct omap_hwmod *oh;
+ struct platform_device *pdev;
+
+ oh = omap_hwmod_lookup("aes");
+ if (!oh)
+ return;
+
+ pdev = omap_device_build("omap-aes", -1, oh, NULL, 0);
+ WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n");
} else if (cpu_is_omap34xx()) {
aes_device.resource = omap3_aes_resources;
aes_device.num_resources = omap3_aes_resources_sz;
+ platform_device_register(&aes_device);
} else {
pr_err("%s: platform not supported\n", __func__);
return;
}
- platform_device_register(&aes_device);
}
#else
diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
index 0c192e0403ba..5137cc84b504 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
@@ -611,6 +611,7 @@ static struct omap_hwmod_ocp_if *omap2420_hwmod_ocp_ifs[] __initdata = {
&omap2420_l4_core__msdi1,
&omap2xxx_l4_core__rng,
&omap2xxx_l4_core__sham,
+ &omap2xxx_l4_core__aes,
&omap2420_l4_core__hdq1w,
&omap2420_l4_wkup__counter_32k,
&omap2420_l3__gpmc,
diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
index 3c19b08ad5ca..4ce999ee3ee9 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
@@ -964,6 +964,7 @@ static struct omap_hwmod_ocp_if *omap2430_hwmod_ocp_ifs[] __initdata = {
&omap2430_l4_core__hdq1w,
&omap2xxx_l4_core__rng,
&omap2xxx_l4_core__sham,
+ &omap2xxx_l4_core__aes,
&omap2430_l4_wkup__counter_32k,
&omap2430_l3__gpmc,
NULL,
diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c
index 339ac273c60d..5fd40d4a989e 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c
@@ -147,6 +147,15 @@ static struct omap_hwmod_addr_space omap2xxx_sham_addrs[] = {
{ }
};
+static struct omap_hwmod_addr_space omap2xxx_aes_addrs[] = {
+ {
+ .pa_start = 0x480a6000,
+ .pa_end = 0x480a6000 + 0x50 - 1,
+ .flags = ADDR_TYPE_RT
+ },
+ { }
+};
+
/*
* Common interconnect data
*/
@@ -407,3 +416,12 @@ struct omap_hwmod_ocp_if omap2xxx_l4_core__sham = {
.addr = omap2xxx_sham_addrs,
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
+
+/* l4 core -> aes interface */
+struct omap_hwmod_ocp_if omap2xxx_l4_core__aes = {
+ .master = &omap2xxx_l4_core_hwmod,
+ .slave = &omap2xxx_aes_hwmod,
+ .clk = "aes_ick",
+ .addr = omap2xxx_aes_addrs,
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
index f3bdb324f6fd..c8c64b3e1acc 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
@@ -907,3 +907,41 @@ struct omap_hwmod omap2xxx_sham_hwmod = {
},
.class = &omap2xxx_sham_class,
};
+
+/* AES */
+
+static struct omap_hwmod_class_sysconfig omap2_aes_sysc = {
+ .rev_offs = 0x44,
+ .sysc_offs = 0x48,
+ .syss_offs = 0x4c,
+ .sysc_flags = (SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE |
+ SYSS_HAS_RESET_STATUS),
+ .sysc_fields = &omap_hwmod_sysc_type1,
+};
+
+static struct omap_hwmod_class omap2xxx_aes_class = {
+ .name = "aes",
+ .sysc = &omap2_aes_sysc,
+};
+
+static struct omap_hwmod_dma_info omap2_aes_sdma_chs[] = {
+ { .name = "tx", .dma_req = 9 },
+ { .name = "rx", .dma_req = 10 },
+ { .dma_req = -1 }
+};
+
+struct omap_hwmod omap2xxx_aes_hwmod = {
+ .name = "aes",
+ .sdma_reqs = omap2_aes_sdma_chs,
+ .main_clk = "l4_ck",
+ .prcm = {
+ .omap2 = {
+ .module_offs = CORE_MOD,
+ .prcm_reg_id = 4,
+ .module_bit = OMAP24XX_EN_AES_SHIFT,
+ .idlest_reg_id = 4,
+ .idlest_idle_bit = OMAP24XX_ST_AES_SHIFT,
+ },
+ },
+ .class = &omap2xxx_aes_class,
+};
diff --git a/arch/arm/mach-omap2/omap_hwmod_common_data.h b/arch/arm/mach-omap2/omap_hwmod_common_data.h
index 928acd5d90e0..6e04ff7065e1 100644
--- a/arch/arm/mach-omap2/omap_hwmod_common_data.h
+++ b/arch/arm/mach-omap2/omap_hwmod_common_data.h
@@ -79,6 +79,7 @@ extern struct omap_hwmod omap2xxx_counter_32k_hwmod;
extern struct omap_hwmod omap2xxx_gpmc_hwmod;
extern struct omap_hwmod omap2xxx_rng_hwmod;
extern struct omap_hwmod omap2xxx_sham_hwmod;
+extern struct omap_hwmod omap2xxx_aes_hwmod;
/* Common interface data across OMAP2xxx */
extern struct omap_hwmod_ocp_if omap2xxx_l3_main__l4_core;
@@ -107,6 +108,7 @@ extern struct omap_hwmod_ocp_if omap2xxx_l4_core__dss_rfbi;
extern struct omap_hwmod_ocp_if omap2xxx_l4_core__dss_venc;
extern struct omap_hwmod_ocp_if omap2xxx_l4_core__rng;
extern struct omap_hwmod_ocp_if omap2xxx_l4_core__sham;
+extern struct omap_hwmod_ocp_if omap2xxx_l4_core__aes;
/* Common IP block data */
extern struct omap_hwmod_dma_info omap2_uart1_sdma_reqs[];