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-rwxr-xr-xextras/recipes-kernel/linux/linux-davinci/omapl138/0002-uio_pruss2-Platform-changes.patch243
1 files changed, 243 insertions, 0 deletions
diff --git a/extras/recipes-kernel/linux/linux-davinci/omapl138/0002-uio_pruss2-Platform-changes.patch b/extras/recipes-kernel/linux/linux-davinci/omapl138/0002-uio_pruss2-Platform-changes.patch
new file mode 100755
index 00000000..d9132091
--- /dev/null
+++ b/extras/recipes-kernel/linux/linux-davinci/omapl138/0002-uio_pruss2-Platform-changes.patch
@@ -0,0 +1,243 @@
1From: Melissa Watkins <m-watkins@ti.com>
2Date: Wed, 24 Nov 2010 04:18:07 -0600
3Subject: [PATCH 2/3] uio_pruss2: Platform changes
4
5Adding resources supporting the uio_pru driver within the
6da850 (omapl138) device.
7
8Signed-off-by: Amit Chatterjee <amit.chatterjee@ti.com>
9Signed-off-by: Melissa Watkins <m-watkins@ti.com>
10---
11 arch/arm/configs/da850_omapl138_defconfig | 8 +++-
12 arch/arm/mach-davinci/board-da850-evm.c | 3 +
13 arch/arm/mach-davinci/da850.c | 38 +++++++++++++-
14 arch/arm/mach-davinci/devices-da8xx.c | 75 ++++++++++++++++++++++++++++
15 arch/arm/mach-davinci/include/mach/da8xx.h | 3 +
16 5 files changed, 124 insertions(+), 3 deletions(-)
17
18diff --git a/arch/arm/configs/da850_omapl138_defconfig b/arch/arm/configs/da850_omapl138_defconfig
19index b312050..baebec8 100644
20--- a/arch/arm/configs/da850_omapl138_defconfig
21+++ b/arch/arm/configs/da850_omapl138_defconfig
22@@ -1361,6 +1361,7 @@ CONFIG_USB_MUSB_HDRC=y
23 CONFIG_USB_MUSB_SOC=y
24 CONFIG_USB_MUSB_HOST=y
25 # CONFIG_USB_MUSB_PERIPHERAL is not set
26+# CONFIG_USB_MUSB_DUAL_ROLE is not set
27 # CONFIG_USB_MUSB_OTG is not set
28 CONFIG_USB_MUSB_HDRC_HCD=y
29 # CONFIG_MUSB_PIO_ONLY is not set
30@@ -1535,7 +1536,12 @@ CONFIG_RTC_INTF_DEV=y
31 CONFIG_RTC_DRV_OMAP=y
32 # CONFIG_DMADEVICES is not set
33 # CONFIG_AUXDISPLAY is not set
34-# CONFIG_UIO is not set
35+CONFIG_UIO=y
36+# CONFIG_UIO_PDRV is not set
37+# CONFIG_UIO_PDRV_GENIRQ is not set
38+# CONFIG_UIO_SMX is not set
39+# CONFIG_UIO_SERCOS3 is not set
40+CONFIG_UIO_PRUSS=m
41
42 #
43 # TI VLYNQ
44diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
45index 009e9b5..1687c7c 100755
46--- a/arch/arm/mach-davinci/board-da850-evm.c
47+++ b/arch/arm/mach-davinci/board-da850-evm.c
48@@ -1070,6 +1070,9 @@ static __init void da850_evm_init(void)
49
50 platform_device_register(&da850_gpio_i2c);
51
52+ /* Register PRUSS device */
53+ da8xx_register_pruss();
54+
55 ret = da8xx_register_watchdog();
56 if (ret)
57 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
58diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
59index 513ae85..8bd1919 100755
60--- a/arch/arm/mach-davinci/da850.c
61+++ b/arch/arm/mach-davinci/da850.c
62@@ -237,6 +237,13 @@ static struct clk tptc2_clk = {
63 .flags = ALWAYS_ENABLED,
64 };
65
66+static struct clk pruss_clk = {
67+ .name = "pruss",
68+ .parent = &pll0_sysclk2,
69+ .lpsc = DA8XX_LPSC0_DMAX,
70+ .flags = ALWAYS_ENABLED,
71+};
72+
73 static struct clk uart0_clk = {
74 .name = "uart0",
75 .parent = &pll0_sysclk2,
76@@ -385,13 +392,37 @@ static struct clk usb20_clk = {
77 .gpsc = 1,
78 };
79
80-
81 static struct clk sata_clk = {
82 .name = "ahci",
83 .parent = &pll0_sysclk2,
84 .lpsc = DA850_LPSC1_SATA,
85 .gpsc = 1,
86 };
87+
88+static struct clk ecap0_clk = {
89+ .name = "ecap0",
90+ .parent = &pll0_sysclk2,
91+ .lpsc = DA8XX_LPSC1_ECAP,
92+ .flags = DA850_CLK_ASYNC3,
93+ .gpsc = 1,
94+};
95+
96+static struct clk ecap1_clk = {
97+ .name = "ecap1",
98+ .parent = &pll0_sysclk2,
99+ .lpsc = DA8XX_LPSC1_ECAP,
100+ .flags = DA850_CLK_ASYNC3,
101+ .gpsc = 1,
102+};
103+
104+static struct clk ecap2_clk = {
105+ .name = "ecap2",
106+ .parent = &pll0_sysclk2,
107+ .lpsc = DA8XX_LPSC1_ECAP,
108+ .flags = DA850_CLK_ASYNC3,
109+ .gpsc = 1,
110+};
111+
112 static struct clk_lookup da850_clks[] = {
113 CLK(NULL, "ref", &ref_clk),
114 CLK(NULL, "pll0", &pll0_clk),
115@@ -419,6 +450,7 @@ static struct clk_lookup da850_clks[] = {
116 CLK(NULL, "tptc1", &tptc1_clk),
117 CLK(NULL, "tpcc1", &tpcc1_clk),
118 CLK(NULL, "tptc2", &tptc2_clk),
119+ CLK(NULL, "pruss", &pruss_clk),
120 CLK(NULL, "uart0", &uart0_clk),
121 CLK(NULL, "uart1", &uart1_clk),
122 CLK(NULL, "uart2", &uart2_clk),
123@@ -441,7 +473,9 @@ static struct clk_lookup da850_clks[] = {
124 CLK(NULL, "usb11", &usb11_clk),
125 CLK(NULL, "usb20", &usb20_clk),
126 CLK(NULL, "ahci", &sata_clk),
127-
128+ CLK(NULL, "ecap0", &ecap0_clk),
129+ CLK(NULL, "ecap1", &ecap1_clk),
130+ CLK(NULL, "ecap2", &ecap2_clk),
131 CLK(NULL, NULL, NULL),
132 };
133
134diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
135index 0842590..94979b3 100755
136--- a/arch/arm/mach-davinci/devices-da8xx.c
137+++ b/arch/arm/mach-davinci/devices-da8xx.c
138@@ -972,6 +972,81 @@ int __init da8xx_register_sata(void)
139 return platform_device_register(&da850_ahci_device);
140 }
141
142+static struct resource pruss_resources[] = {
143+ [0] = {
144+ .start = DA8XX_PRUSS_BASE,
145+ .end = DA8XX_PRUSS_BASE + SZ_64K - 1,
146+ .flags = IORESOURCE_MEM,
147+ },
148+ [1] = {
149+ .start = DA8XX_L3RAM_BASE,
150+ .end = DA8XX_L3RAM_BASE + SZ_128K - 1,
151+ .flags = IORESOURCE_MEM,
152+ },
153+ [2] = {
154+ .start = 0,
155+ .end = SZ_256K - 1,
156+ .flags = IORESOURCE_MEM,
157+ },
158+
159+ [3] = {
160+ .start = IRQ_DA8XX_EVTOUT0,
161+ .end = IRQ_DA8XX_EVTOUT0,
162+ .flags = IORESOURCE_IRQ,
163+ },
164+ [4] = {
165+ .start = IRQ_DA8XX_EVTOUT1,
166+ .end = IRQ_DA8XX_EVTOUT1,
167+ .flags = IORESOURCE_IRQ,
168+ },
169+ [5] = {
170+ .start = IRQ_DA8XX_EVTOUT2,
171+ .end = IRQ_DA8XX_EVTOUT2,
172+ .flags = IORESOURCE_IRQ,
173+ },
174+ [6] = {
175+ .start = IRQ_DA8XX_EVTOUT3,
176+ .end = IRQ_DA8XX_EVTOUT3,
177+ .flags = IORESOURCE_IRQ,
178+ },
179+ [7] = {
180+ .start = IRQ_DA8XX_EVTOUT4,
181+ .end = IRQ_DA8XX_EVTOUT4,
182+ .flags = IORESOURCE_IRQ,
183+ },
184+ [8] = {
185+ .start = IRQ_DA8XX_EVTOUT5,
186+ .end = IRQ_DA8XX_EVTOUT5,
187+ .flags = IORESOURCE_IRQ,
188+ },
189+ [9] = {
190+ .start = IRQ_DA8XX_EVTOUT6,
191+ .end = IRQ_DA8XX_EVTOUT6,
192+ .flags = IORESOURCE_IRQ,
193+ },
194+ [10] = {
195+ .start = IRQ_DA8XX_EVTOUT7,
196+ .end = IRQ_DA8XX_EVTOUT7,
197+ .flags = IORESOURCE_IRQ,
198+ },
199+};
200+
201+static struct platform_device pruss_device = {
202+ .name = "pruss",
203+ .id = 0,
204+ .num_resources = ARRAY_SIZE(pruss_resources),
205+ .resource = pruss_resources,
206+ .dev = {
207+ .coherent_dma_mask = 0xffffffff,
208+ }
209+
210+};
211+
212+int __init da8xx_register_pruss()
213+{
214+ return platform_device_register(&pruss_device);
215+}
216+
217 #define CFGCHIP2 DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG)
218 /*
219 * Configure the USB PHY for DA8xx platforms.
220diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
221index f76433f..632d7e2 100755
222--- a/arch/arm/mach-davinci/include/mach/da8xx.h
223+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
224@@ -75,6 +75,8 @@ extern void __iomem *da8xx_syscfg1_base;
225 #define DA8XX_USB0_BASE 0x01e00000
226 #define DA850_SATA_BASE 0x01E18000
227 #define DA850_SATA_CLK_PWRDN 0x01E2C018
228+#define DA8XX_PRUSS_BASE 0x01C30000
229+#define DA8XX_L3RAM_BASE 0x80000000
230
231 #define PINMUX0 0x00
232 #define PINMUX1 0x04
233@@ -162,6 +164,7 @@ int __init da850_register_vpif_capture(struct vpif_capture_config
234
235 int cppi41_init(void);
236 int da8xx_register_sata(void);
237+int da8xx_register_pruss(void);
238
239
240 extern struct platform_device da8xx_serial_device;
241--
2421.7.0.4
243
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-05-28 10:03:20 +0000