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From: Melissa Watkins <m-watkins@ti.com>
Date: Wed, 24 Nov 2010 04:18:07 -0600
Subject: [PATCH 2/3] uio_pruss2: Platform changes
Adding resources supporting the uio_pru driver within the
da850 (omapl138) device.
Signed-off-by: Amit Chatterjee <amit.chatterjee@ti.com>
Signed-off-by: Melissa Watkins <m-watkins@ti.com>
---
arch/arm/configs/da850_omapl138_defconfig | 8 +++-
arch/arm/mach-davinci/board-da850-evm.c | 3 +
arch/arm/mach-davinci/da850.c | 38 +++++++++++++-
arch/arm/mach-davinci/devices-da8xx.c | 75 ++++++++++++++++++++++++++++
arch/arm/mach-davinci/include/mach/da8xx.h | 3 +
5 files changed, 124 insertions(+), 3 deletions(-)
diff --git a/arch/arm/configs/da850_omapl138_defconfig b/arch/arm/configs/da850_omapl138_defconfig
index b312050..baebec8 100644
--- a/arch/arm/configs/da850_omapl138_defconfig
+++ b/arch/arm/configs/da850_omapl138_defconfig
@@ -1361,6 +1361,7 @@ CONFIG_USB_MUSB_HDRC=y
CONFIG_USB_MUSB_SOC=y
CONFIG_USB_MUSB_HOST=y
# CONFIG_USB_MUSB_PERIPHERAL is not set
+# CONFIG_USB_MUSB_DUAL_ROLE is not set
# CONFIG_USB_MUSB_OTG is not set
CONFIG_USB_MUSB_HDRC_HCD=y
# CONFIG_MUSB_PIO_ONLY is not set
@@ -1535,7 +1536,12 @@ CONFIG_RTC_INTF_DEV=y
CONFIG_RTC_DRV_OMAP=y
# CONFIG_DMADEVICES is not set
# CONFIG_AUXDISPLAY is not set
-# CONFIG_UIO is not set
+CONFIG_UIO=y
+# CONFIG_UIO_PDRV is not set
+# CONFIG_UIO_PDRV_GENIRQ is not set
+# CONFIG_UIO_SMX is not set
+# CONFIG_UIO_SERCOS3 is not set
+CONFIG_UIO_PRUSS=m
#
# TI VLYNQ
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 009e9b5..1687c7c 100755
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -1070,6 +1070,9 @@ static __init void da850_evm_init(void)
platform_device_register(&da850_gpio_i2c);
+ /* Register PRUSS device */
+ da8xx_register_pruss();
+
ret = da8xx_register_watchdog();
if (ret)
pr_warning("da830_evm_init: watchdog registration failed: %d\n",
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 513ae85..8bd1919 100755
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -237,6 +237,13 @@ static struct clk tptc2_clk = {
.flags = ALWAYS_ENABLED,
};
+static struct clk pruss_clk = {
+ .name = "pruss",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC0_DMAX,
+ .flags = ALWAYS_ENABLED,
+};
+
static struct clk uart0_clk = {
.name = "uart0",
.parent = &pll0_sysclk2,
@@ -385,13 +392,37 @@ static struct clk usb20_clk = {
.gpsc = 1,
};
-
static struct clk sata_clk = {
.name = "ahci",
.parent = &pll0_sysclk2,
.lpsc = DA850_LPSC1_SATA,
.gpsc = 1,
};
+
+static struct clk ecap0_clk = {
+ .name = "ecap0",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_ECAP,
+ .flags = DA850_CLK_ASYNC3,
+ .gpsc = 1,
+};
+
+static struct clk ecap1_clk = {
+ .name = "ecap1",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_ECAP,
+ .flags = DA850_CLK_ASYNC3,
+ .gpsc = 1,
+};
+
+static struct clk ecap2_clk = {
+ .name = "ecap2",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_ECAP,
+ .flags = DA850_CLK_ASYNC3,
+ .gpsc = 1,
+};
+
static struct clk_lookup da850_clks[] = {
CLK(NULL, "ref", &ref_clk),
CLK(NULL, "pll0", &pll0_clk),
@@ -419,6 +450,7 @@ static struct clk_lookup da850_clks[] = {
CLK(NULL, "tptc1", &tptc1_clk),
CLK(NULL, "tpcc1", &tpcc1_clk),
CLK(NULL, "tptc2", &tptc2_clk),
+ CLK(NULL, "pruss", &pruss_clk),
CLK(NULL, "uart0", &uart0_clk),
CLK(NULL, "uart1", &uart1_clk),
CLK(NULL, "uart2", &uart2_clk),
@@ -441,7 +473,9 @@ static struct clk_lookup da850_clks[] = {
CLK(NULL, "usb11", &usb11_clk),
CLK(NULL, "usb20", &usb20_clk),
CLK(NULL, "ahci", &sata_clk),
-
+ CLK(NULL, "ecap0", &ecap0_clk),
+ CLK(NULL, "ecap1", &ecap1_clk),
+ CLK(NULL, "ecap2", &ecap2_clk),
CLK(NULL, NULL, NULL),
};
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 0842590..94979b3 100755
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -972,6 +972,81 @@ int __init da8xx_register_sata(void)
return platform_device_register(&da850_ahci_device);
}
+static struct resource pruss_resources[] = {
+ [0] = {
+ .start = DA8XX_PRUSS_BASE,
+ .end = DA8XX_PRUSS_BASE + SZ_64K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = DA8XX_L3RAM_BASE,
+ .end = DA8XX_L3RAM_BASE + SZ_128K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = 0,
+ .end = SZ_256K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+
+ [3] = {
+ .start = IRQ_DA8XX_EVTOUT0,
+ .end = IRQ_DA8XX_EVTOUT0,
+ .flags = IORESOURCE_IRQ,
+ },
+ [4] = {
+ .start = IRQ_DA8XX_EVTOUT1,
+ .end = IRQ_DA8XX_EVTOUT1,
+ .flags = IORESOURCE_IRQ,
+ },
+ [5] = {
+ .start = IRQ_DA8XX_EVTOUT2,
+ .end = IRQ_DA8XX_EVTOUT2,
+ .flags = IORESOURCE_IRQ,
+ },
+ [6] = {
+ .start = IRQ_DA8XX_EVTOUT3,
+ .end = IRQ_DA8XX_EVTOUT3,
+ .flags = IORESOURCE_IRQ,
+ },
+ [7] = {
+ .start = IRQ_DA8XX_EVTOUT4,
+ .end = IRQ_DA8XX_EVTOUT4,
+ .flags = IORESOURCE_IRQ,
+ },
+ [8] = {
+ .start = IRQ_DA8XX_EVTOUT5,
+ .end = IRQ_DA8XX_EVTOUT5,
+ .flags = IORESOURCE_IRQ,
+ },
+ [9] = {
+ .start = IRQ_DA8XX_EVTOUT6,
+ .end = IRQ_DA8XX_EVTOUT6,
+ .flags = IORESOURCE_IRQ,
+ },
+ [10] = {
+ .start = IRQ_DA8XX_EVTOUT7,
+ .end = IRQ_DA8XX_EVTOUT7,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device pruss_device = {
+ .name = "pruss",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(pruss_resources),
+ .resource = pruss_resources,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ }
+
+};
+
+int __init da8xx_register_pruss()
+{
+ return platform_device_register(&pruss_device);
+}
+
#define CFGCHIP2 DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG)
/*
* Configure the USB PHY for DA8xx platforms.
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index f76433f..632d7e2 100755
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -75,6 +75,8 @@ extern void __iomem *da8xx_syscfg1_base;
#define DA8XX_USB0_BASE 0x01e00000
#define DA850_SATA_BASE 0x01E18000
#define DA850_SATA_CLK_PWRDN 0x01E2C018
+#define DA8XX_PRUSS_BASE 0x01C30000
+#define DA8XX_L3RAM_BASE 0x80000000
#define PINMUX0 0x00
#define PINMUX1 0x04
@@ -162,6 +164,7 @@ int __init da850_register_vpif_capture(struct vpif_capture_config
int cppi41_init(void);
int da8xx_register_sata(void);
+int da8xx_register_pruss(void);
extern struct platform_device da8xx_serial_device;
--
1.7.0.4
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