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-rw-r--r--arch/arm/mach-omap2/clock3xxx_data.c11
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_3xxx_data.c52
-rw-r--r--arch/arm/mach-omap2/prcm-common.h2
-rw-r--r--arch/arm/plat-omap/include/plat/irqs.h2
-rw-r--r--arch/arm/plat-omap/include/plat/serial.h1
5 files changed, 67 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index 5d0064a4fb5a..4e1b1a2f0537 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -2480,6 +2480,16 @@ static struct clk uart4_fck = {
.recalc = &followparent_recalc,
};
+static struct clk uart4_fck_am35xx = {
+ .name = "uart4_fck",
+ .ops = &clkops_omap2_dflt_wait,
+ .parent = &per_48m_fck,
+ .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
+ .enable_bit = OMAP3430_EN_UART4_SHIFT,
+ .clkdm_name = "core_l4_clkdm",
+ .recalc = &followparent_recalc,
+};
+
static struct clk gpt2_fck = {
.name = "gpt2_fck",
.ops = &clkops_omap2_dflt_wait,
@@ -3403,6 +3413,7 @@ static struct omap_clk omap3xxx_clks[] = {
CLK(NULL, "per_48m_fck", &per_48m_fck, CK_3XXX),
CLK(NULL, "uart3_fck", &uart3_fck, CK_3XXX),
CLK(NULL, "uart4_fck", &uart4_fck, CK_36XX),
+ CLK(NULL, "uart4_fck", &uart4_fck_am35xx, CK_3505 | CK_3517),
CLK(NULL, "gpt2_fck", &gpt2_fck, CK_3XXX),
CLK(NULL, "gpt3_fck", &gpt3_fck, CK_3XXX),
CLK(NULL, "gpt4_fck", &gpt4_fck, CK_3XXX),
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 126cb49c0de7..3be90feca77c 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -164,6 +164,7 @@ static struct omap_hwmod omap3xxx_uart1_hwmod;
static struct omap_hwmod omap3xxx_uart2_hwmod;
static struct omap_hwmod omap3xxx_uart3_hwmod;
static struct omap_hwmod omap3xxx_uart4_hwmod;
+static struct omap_hwmod am35xx_uart4_hwmod;
static struct omap_hwmod omap3xxx_usbhsotg_hwmod;
/* l3_core -> usbhsotg interface */
@@ -299,6 +300,23 @@ static struct omap_hwmod_ocp_if omap3_l4_per__uart4 = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
+/* AM35xx: L4 CORE -> UART4 interface */
+static struct omap_hwmod_addr_space am35xx_uart4_addr_space[] = {
+ {
+ .pa_start = OMAP3_UART4_AM35XX_BASE,
+ .pa_end = OMAP3_UART4_AM35XX_BASE + SZ_1K - 1,
+ .flags = ADDR_MAP_ON_INIT | ADDR_TYPE_RT,
+ },
+};
+
+static struct omap_hwmod_ocp_if am35xx_l4_core__uart4 = {
+ .master = &omap3xxx_l4_core_hwmod,
+ .slave = &am35xx_uart4_hwmod,
+ .clk = "uart4_ick",
+ .addr = am35xx_uart4_addr_space,
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
/* L4 CORE -> I2C1 interface */
static struct omap_hwmod_ocp_if omap3_l4_core__i2c1 = {
.master = &omap3xxx_l4_core_hwmod,
@@ -1309,6 +1327,39 @@ static struct omap_hwmod omap3xxx_uart4_hwmod = {
.class = &omap2_uart_class,
};
+static struct omap_hwmod_irq_info am35xx_uart4_mpu_irqs[] = {
+ { .irq = INT_35XX_UART4_IRQ, },
+};
+
+static struct omap_hwmod_dma_info am35xx_uart4_sdma_reqs[] = {
+ { .name = "rx", .dma_req = AM35XX_DMA_UART4_RX, },
+ { .name = "tx", .dma_req = AM35XX_DMA_UART4_TX, },
+};
+
+static struct omap_hwmod_ocp_if *am35xx_uart4_slaves[] = {
+ &am35xx_l4_core__uart4,
+};
+
+static struct omap_hwmod am35xx_uart4_hwmod = {
+ .name = "uart4",
+ .mpu_irqs = am35xx_uart4_mpu_irqs,
+ .sdma_reqs = am35xx_uart4_sdma_reqs,
+ .main_clk = "uart4_fck",
+ .prcm = {
+ .omap2 = {
+ .module_offs = CORE_MOD,
+ .prcm_reg_id = 1,
+ .module_bit = OMAP3430_EN_UART4_SHIFT,
+ .idlest_reg_id = 1,
+ .idlest_idle_bit = OMAP3430_EN_UART4_SHIFT,
+ },
+ },
+ .slaves = am35xx_uart4_slaves,
+ .slaves_cnt = ARRAY_SIZE(am35xx_uart4_slaves),
+ .class = &omap2_uart_class,
+};
+
+
static struct omap_hwmod_class i2c_class = {
.name = "i2c",
.sysc = &i2c_sysc,
@@ -3287,6 +3338,7 @@ static __initdata struct omap_hwmod *omap36xx_hwmods[] = {
static __initdata struct omap_hwmod *am35xx_hwmods[] = {
&omap3xxx_dss_core_hwmod, /* XXX ??? */
&am35xx_usbhsotg_hwmod,
+ &am35xx_uart4_hwmod,
NULL
};
diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h
index 0363dcb0ef93..da2d80f5fcbd 100644
--- a/arch/arm/mach-omap2/prcm-common.h
+++ b/arch/arm/mach-omap2/prcm-common.h
@@ -201,6 +201,8 @@
#define OMAP3430_EN_MMC2_SHIFT 25
#define OMAP3430_EN_MMC1_MASK (1 << 24)
#define OMAP3430_EN_MMC1_SHIFT 24
+#define OMAP3430_EN_UART4_MASK (1 << 23)
+#define OMAP3430_EN_UART4_SHIFT 23
#define OMAP3430_EN_MCSPI4_MASK (1 << 21)
#define OMAP3430_EN_MCSPI4_SHIFT 21
#define OMAP3430_EN_MCSPI3_MASK (1 << 20)
diff --git a/arch/arm/plat-omap/include/plat/irqs.h b/arch/arm/plat-omap/include/plat/irqs.h
index 30e10719b774..6e5d3a0cb9d5 100644
--- a/arch/arm/plat-omap/include/plat/irqs.h
+++ b/arch/arm/plat-omap/include/plat/irqs.h
@@ -357,7 +357,7 @@
#define INT_35XX_EMAC_C0_TX_PULSE_IRQ 69
#define INT_35XX_EMAC_C0_MISC_PULSE_IRQ 70
#define INT_35XX_USBOTG_IRQ 71
-#define INT_35XX_UART4 84
+#define INT_35XX_UART4_IRQ 84
#define INT_35XX_CCDC_VD0_IRQ 88
#define INT_35XX_CCDC_VD1_IRQ 92
#define INT_35XX_CCDC_VD2_IRQ 93
diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h
index 1ab9fd6abe6d..865a2ba7ffa8 100644
--- a/arch/arm/plat-omap/include/plat/serial.h
+++ b/arch/arm/plat-omap/include/plat/serial.h
@@ -44,6 +44,7 @@
#define OMAP3_UART2_BASE OMAP2_UART2_BASE
#define OMAP3_UART3_BASE 0x49020000
#define OMAP3_UART4_BASE 0x49042000 /* Only on 36xx */
+#define OMAP3_UART4_AM35XX_BASE 0x4809E000 /* Only on AM35xx */
/* OMAP4 serial ports */
#define OMAP4_UART1_BASE OMAP2_UART1_BASE
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