ARM: OMAP2/3: hwmod data: add gpmc

Add gpmc hwmod and associated interconnect data
Signed-off-by: NAfzal Mohammed <afzal@ti.com>
[paul@pwsan.com: added comments to the use of HWMOD_INIT_NO_RESET]
Signed-off-by: NPaul Walmsley <paul@pwsan.com>

arch/arm/mach-omap2/omap_hwmod_2420_data.c

@@ -535,6 +535,15 @@ static struct omap_hwmod_addr_space omap2420_counter_32k_addrs[] = {
 	{ }
 };
 
+static struct omap_hwmod_addr_space omap2420_gpmc_addrs[] = {
+	{
+		.pa_start	= 0x6800a000,
+		.pa_end		= 0x6800afff,
+		.flags		= ADDR_TYPE_RT
+	},
+	{ }
+};
+
 static struct omap_hwmod_ocp_if omap2420_l4_wkup__counter_32k = {
 	.master		= &omap2xxx_l4_wkup_hwmod,
 	.slave		= &omap2xxx_counter_32k_hwmod,
@@ -543,6 +552,14 @@ static struct omap_hwmod_ocp_if omap2420_l4_wkup__counter_32k = {
 	.user		= OCP_USER_MPU | OCP_USER_SDMA,
 };
 
+static struct omap_hwmod_ocp_if omap2420_l3__gpmc = {
+	.master		= &omap2xxx_l3_main_hwmod,
+	.slave		= &omap2xxx_gpmc_hwmod,
+	.clk		= "core_l3_ck",
+	.addr		= omap2420_gpmc_addrs,
+	.user		= OCP_USER_MPU | OCP_USER_SDMA,
+};
+
 static struct omap_hwmod_ocp_if *omap2420_hwmod_ocp_ifs[] __initdata = {
 	&omap2xxx_l3_main__l4_core,
 	&omap2xxx_mpu__l3_main,
@@ -586,6 +603,7 @@ static struct omap_hwmod_ocp_if *omap2420_hwmod_ocp_ifs[] __initdata = {
 	&omap2420_l4_core__msdi1,
 	&omap2420_l4_core__hdq1w,
 	&omap2420_l4_wkup__counter_32k,
+	&omap2420_l3__gpmc,
 	NULL,
 };
 

arch/arm/mach-omap2/omap_hwmod_2430_data.c

@@ -887,6 +887,15 @@ static struct omap_hwmod_addr_space omap2430_counter_32k_addrs[] = {
 	{ }
 };
 
+static struct omap_hwmod_addr_space omap2430_gpmc_addrs[] = {
+	{
+		.pa_start	= 0x6e000000,
+		.pa_end		= 0x6e000fff,
+		.flags		= ADDR_TYPE_RT
+	},
+	{ }
+};
+
 static struct omap_hwmod_ocp_if omap2430_l4_wkup__counter_32k = {
 	.master		= &omap2xxx_l4_wkup_hwmod,
 	.slave		= &omap2xxx_counter_32k_hwmod,
@@ -895,6 +904,14 @@ static struct omap_hwmod_ocp_if omap2430_l4_wkup__counter_32k = {
 	.user		= OCP_USER_MPU | OCP_USER_SDMA,
 };
 
+static struct omap_hwmod_ocp_if omap2430_l3__gpmc = {
+	.master		= &omap2xxx_l3_main_hwmod,
+	.slave		= &omap2xxx_gpmc_hwmod,
+	.clk		= "core_l3_ck",
+	.addr		= omap2430_gpmc_addrs,
+	.user		= OCP_USER_MPU | OCP_USER_SDMA,
+};
+
 static struct omap_hwmod_ocp_if *omap2430_hwmod_ocp_ifs[] __initdata = {
 	&omap2xxx_l3_main__l4_core,
 	&omap2xxx_mpu__l3_main,
@@ -945,6 +962,7 @@ static struct omap_hwmod_ocp_if *omap2430_hwmod_ocp_ifs[] __initdata = {
 	&omap2430_l4_core__mcbsp5,
 	&omap2430_l4_core__hdq1w,
 	&omap2430_l4_wkup__counter_32k,
+	&omap2430_l3__gpmc,
 	NULL,
 };
 

arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c

@@ -172,6 +172,26 @@ struct omap_hwmod_class omap2xxx_mcspi_class = {
 	.rev	= OMAP2_MCSPI_REV,
 };
 
+/*
+ * 'gpmc' class
+ * general purpose memory controller
+ */
+
+static struct omap_hwmod_class_sysconfig omap2xxx_gpmc_sysc = {
+	.rev_offs	= 0x0000,
+	.sysc_offs	= 0x0010,
+	.syss_offs	= 0x0014,
+	.sysc_flags	= (SYSC_HAS_AUTOIDLE | SYSC_HAS_SIDLEMODE |
+			   SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS),
+	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
+	.sysc_fields	= &omap_hwmod_sysc_type1,
+};
+
+static struct omap_hwmod_class omap2xxx_gpmc_hwmod_class = {
+	.name	= "gpmc",
+	.sysc	= &omap2xxx_gpmc_sysc,
+};
+
 /*
  * IP blocks
  */
@@ -724,7 +744,6 @@ struct omap_hwmod omap2xxx_mcspi2_hwmod = {
 	.dev_attr	= &omap_mcspi2_dev_attr,
 };
 
-
 static struct omap_hwmod_class omap2xxx_counter_hwmod_class = {
 	.name	= "counter",
 };
@@ -743,3 +762,33 @@ struct omap_hwmod omap2xxx_counter_32k_hwmod = {
 	},
 	.class		= &omap2xxx_counter_hwmod_class,
 };
+
+/* gpmc */
+static struct omap_hwmod_irq_info omap2xxx_gpmc_irqs[] = {
+	{ .irq = 20 },
+	{ .irq = -1 }
+};
+
+struct omap_hwmod omap2xxx_gpmc_hwmod = {
+	.name		= "gpmc",
+	.class		= &omap2xxx_gpmc_hwmod_class,
+	.mpu_irqs	= omap2xxx_gpmc_irqs,
+	.main_clk	= "gpmc_fck",
+	/*
+	 * XXX HWMOD_INIT_NO_RESET should not be needed for this IP
+	 * block.  It is not being added due to any known bugs with
+	 * resetting the GPMC IP block, but rather because any timings
+	 * set by the bootloader are not being correctly programmed by
+	 * the kernel from the board file or DT data.
+	 * HWMOD_INIT_NO_RESET should be removed ASAP.
+	 */
+	.flags		= (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET |
+			   HWMOD_NO_IDLEST),
+	.prcm		= {
+		.omap2	= {
+			.prcm_reg_id = 3,
+			.module_bit = OMAP24XX_EN_GPMC_MASK,
+			.module_offs = CORE_MOD,
+		},
+	},
+};

arch/arm/mach-omap2/omap_hwmod_3xxx_data.c

@@ -2095,6 +2095,49 @@ static struct omap_hwmod omap3xxx_counter_32k_hwmod = {
 	},
 };
 
+/*
+ * 'gpmc' class
+ * general purpose memory controller
+ */
+
+static struct omap_hwmod_class_sysconfig omap3xxx_gpmc_sysc = {
+	.rev_offs	= 0x0000,
+	.sysc_offs	= 0x0010,
+	.syss_offs	= 0x0014,
+	.sysc_flags	= (SYSC_HAS_AUTOIDLE | SYSC_HAS_SIDLEMODE |
+			   SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS),
+	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
+	.sysc_fields	= &omap_hwmod_sysc_type1,
+};
+
+static struct omap_hwmod_class omap3xxx_gpmc_hwmod_class = {
+	.name	= "gpmc",
+	.sysc	= &omap3xxx_gpmc_sysc,
+};
+
+static struct omap_hwmod_irq_info omap3xxx_gpmc_irqs[] = {
+	{ .irq = 20 },
+	{ .irq = -1 }
+};
+
+static struct omap_hwmod omap3xxx_gpmc_hwmod = {
+	.name		= "gpmc",
+	.class		= &omap3xxx_gpmc_hwmod_class,
+	.clkdm_name	= "core_l3_clkdm",
+	.mpu_irqs	= omap3xxx_gpmc_irqs,
+	.main_clk	= "gpmc_fck",
+	/*
+	 * XXX HWMOD_INIT_NO_RESET should not be needed for this IP
+	 * block.  It is not being added due to any known bugs with
+	 * resetting the GPMC IP block, but rather because any timings
+	 * set by the bootloader are not being correctly programmed by
+	 * the kernel from the board file or DT data.
+	 * HWMOD_INIT_NO_RESET should be removed ASAP.
+	 */
+	.flags		= (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET |
+			   HWMOD_NO_IDLEST),
+};
+
 /*
  * interfaces
  */
@@ -3320,6 +3363,15 @@ static struct omap_hwmod_addr_space omap3xxx_counter_32k_addrs[] = {
 	{ }
 };
 
+static struct omap_hwmod_addr_space omap3xxx_gpmc_addrs[] = {
+	{
+		.pa_start	= 0x6e000000,
+		.pa_end		= 0x6e000fff,
+		.flags		= ADDR_TYPE_RT
+	},
+	{ }
+};
+
 static struct omap_hwmod_ocp_if omap3xxx_l4_wkup__counter_32k = {
 	.master		= &omap3xxx_l4_wkup_hwmod,
 	.slave		= &omap3xxx_counter_32k_hwmod,
@@ -3429,6 +3481,14 @@ static struct omap_hwmod_ocp_if am35xx_l4_core__emac = {
 	.user		= OCP_USER_MPU,
 };
 
+static struct omap_hwmod_ocp_if omap3xxx_l3_main__gpmc = {
+	.master		= &omap3xxx_l3_main_hwmod,
+	.slave		= &omap3xxx_gpmc_hwmod,
+	.clk		= "core_l3_ick",
+	.addr		= omap3xxx_gpmc_addrs,
+	.user		= OCP_USER_MPU | OCP_USER_SDMA,
+};
+
 static struct omap_hwmod_ocp_if *omap3xxx_hwmod_ocp_ifs[] __initdata = {
 	&omap3xxx_l3_main__l4_core,
 	&omap3xxx_l3_main__l4_per,
@@ -3474,6 +3534,7 @@ static struct omap_hwmod_ocp_if *omap3xxx_hwmod_ocp_ifs[] __initdata = {
 	&omap34xx_l4_core__mcspi3,
 	&omap34xx_l4_core__mcspi4,
 	&omap3xxx_l4_wkup__counter_32k,
+	&omap3xxx_l3_main__gpmc,
 	NULL,
 };
 

arch/arm/mach-omap2/omap_hwmod_44xx_data.c

@@ -1352,6 +1352,14 @@ static struct omap_hwmod omap44xx_gpmc_hwmod = {
 	.name		= "gpmc",
 	.class		= &omap44xx_gpmc_hwmod_class,
 	.clkdm_name	= "l3_2_clkdm",
+	/*
+	 * XXX HWMOD_INIT_NO_RESET should not be needed for this IP
+	 * block.  It is not being added due to any known bugs with
+	 * resetting the GPMC IP block, but rather because any timings
+	 * set by the bootloader are not being correctly programmed by
+	 * the kernel from the board file or DT data.
+	 * HWMOD_INIT_NO_RESET should be removed ASAP.
+	 */
 	.flags		= HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET,
 	.mpu_irqs	= omap44xx_gpmc_irqs,
 	.sdma_reqs	= omap44xx_gpmc_sdma_reqs,

arch/arm/mach-omap2/omap_hwmod_common_data.h

@@ -77,6 +77,7 @@ extern struct omap_hwmod omap2xxx_gpio4_hwmod;
 extern struct omap_hwmod omap2xxx_mcspi1_hwmod;
 extern struct omap_hwmod omap2xxx_mcspi2_hwmod;
 extern struct omap_hwmod omap2xxx_counter_32k_hwmod;
+extern struct omap_hwmod omap2xxx_gpmc_hwmod;
 
 /* Common interface data across OMAP2xxx */
 extern struct omap_hwmod_ocp_if omap2xxx_l3_main__l4_core;

arch/arm/mach-omap2/prcm-common.h

@@ -109,6 +109,8 @@
 #define OMAP2430_EN_MDM_INTC_MASK			(1 << 11)
 #define OMAP2430_EN_USBHS_SHIFT				6
 #define OMAP2430_EN_USBHS_MASK				(1 << 6)
+#define OMAP24XX_EN_GPMC_SHIFT				1
+#define OMAP24XX_EN_GPMC_MASK				(1 << 1)
 
 /* CM_IDLEST1_CORE, PM_WKST1_CORE shared bits */
 #define OMAP2420_ST_MMC_SHIFT				26