Root/target/linux/brcm63xx/patches-3.3/180-udc_preliminary_support.patch

1--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
2+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
3@@ -29,6 +29,7 @@
4 #include <bcm63xx_dev_pcmcia.h>
5 #include <bcm63xx_dev_usb_ohci.h>
6 #include <bcm63xx_dev_usb_ehci.h>
7+#include <bcm63xx_dev_usb_udc.h>
8 #include <board_bcm963xx.h>
9 
10 #define PFX "board_bcm963xx: "
11@@ -400,6 +401,8 @@ static struct board_info __initdata boar
12     .has_ohci0 = 1,
13     .has_pccard = 1,
14     .has_ehci0 = 1,
15+
16+ .has_udc0 = 1,
17 };
18 
19 static struct board_info __initdata board_rta1025w_16 = {
20@@ -932,6 +935,9 @@ int __init board_register_devices(void)
21     }
22 #endif
23 
24+ if (board.has_udc0)
25+ bcm63xx_udc_register();
26+
27     /* read base address of boot chip select (0) */
28     val = bcm_mpi_readl(MPI_CSBASE_REG(0));
29     val &= MPI_CSBASE_BASE_MASK;
30--- /dev/null
31+++ b/arch/mips/bcm63xx/dev-usb-udc.c
32@@ -0,0 +1,58 @@
33+/*
34+ * Copyright (C) 2009 Henk Vergonet <Henk.Vergonet@gmail.com>
35+ *
36+ * This program is free software; you can redistribute it and/or
37+ * modify it under the terms of the GNU General Public License as
38+ * published by the Free Software Foundation; either version 2 of
39+ * the License, or (at your option) any later version.
40+ *
41+ * This program is distributed in the hope that it will be useful,
42+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
43+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
44+ * GNU General Public License for more details.
45+ *
46+ * You should have received a copy of the GNU General Public License
47+ * along with this program; if not, write to the Free Software
48+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
49+ */
50+#include <linux/init.h>
51+#include <linux/kernel.h>
52+#include <linux/platform_device.h>
53+#include <bcm63xx_cpu.h>
54+
55+static struct resource udc_resources[] = {
56+ {
57+ .start = -1, /* filled at runtime */
58+ .end = -1, /* filled at runtime */
59+ .flags = IORESOURCE_MEM,
60+ },
61+ {
62+ .start = -1, /* filled at runtime */
63+ .flags = IORESOURCE_IRQ,
64+ },
65+};
66+
67+static u64 udc_dmamask = ~(u32)0;
68+
69+static struct platform_device bcm63xx_udc_device = {
70+ .name = "bcm63xx-udc",
71+ .id = 0,
72+ .num_resources = ARRAY_SIZE(udc_resources),
73+ .resource = udc_resources,
74+ .dev = {
75+ .dma_mask = &udc_dmamask,
76+ .coherent_dma_mask = 0xffffffff,
77+ },
78+};
79+
80+int __init bcm63xx_udc_register(void)
81+{
82+ if (!BCMCPU_IS_6338() && !BCMCPU_IS_6345() && !BCMCPU_IS_6348())
83+ return 0;
84+
85+ udc_resources[0].start = bcm63xx_regset_address(RSET_UDC0);
86+ udc_resources[0].end = udc_resources[0].start;
87+ udc_resources[0].end += RSET_UDC_SIZE - 1;
88+ udc_resources[1].start = bcm63xx_get_irq_number(IRQ_UDC0);
89+ return platform_device_register(&bcm63xx_udc_device);
90+}
91--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
92+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
93@@ -163,7 +163,7 @@ enum bcm63xx_regs_set {
94 #define BCM_6338_GPIO_BASE (0xfffe0400)
95 #define BCM_6338_SPI_BASE (0xfffe0c00)
96 #define BCM_6338_SPI2_BASE (0xdeadbeef)
97-#define BCM_6338_UDC0_BASE (0xdeadbeef)
98+#define BCM_6338_UDC0_BASE (0xfffe3000)
99 #define BCM_6338_USBDMA_BASE (0xfffe2400)
100 #define BCM_6338_OHCI0_BASE (0xdeadbeef)
101 #define BCM_6338_OHCI_PRIV_BASE (0xfffe3000)
102@@ -207,7 +207,7 @@ enum bcm63xx_regs_set {
103 #define BCM_6345_GPIO_BASE (0xfffe0400)
104 #define BCM_6345_SPI_BASE (0xdeadbeef)
105 #define BCM_6345_SPI2_BASE (0xdeadbeef)
106-#define BCM_6345_UDC0_BASE (0xdeadbeef)
107+#define BCM_6345_UDC0_BASE (0xfffe2100)
108 #define BCM_6345_USBDMA_BASE (0xfffe2800)
109 #define BCM_6345_ENET0_BASE (0xfffe1800)
110 #define BCM_6345_ENETDMA_BASE (0xfffe2800)
111@@ -291,7 +291,7 @@ enum bcm63xx_regs_set {
112 #define BCM_6358_GPIO_BASE (0xfffe0080)
113 #define BCM_6358_SPI_BASE (0xdeadbeef)
114 #define BCM_6358_SPI2_BASE (0xfffe0800)
115-#define BCM_6358_UDC0_BASE (0xfffe0800)
116+#define BCM_6358_UDC0_BASE (0xfffe0400)
117 #define BCM_6358_OHCI0_BASE (0xfffe1400)
118 #define BCM_6358_OHCI_PRIV_BASE (0xdeadbeef)
119 #define BCM_6358_USBH_PRIV_BASE (0xfffe1500)
120@@ -481,6 +481,7 @@ enum bcm63xx_irq {
121     IRQ_UART0,
122     IRQ_UART1,
123     IRQ_DSL,
124+ IRQ_UDC0,
125     IRQ_ENET0,
126     IRQ_ENET1,
127     IRQ_ENET_PHY,
128@@ -547,6 +548,7 @@ enum bcm63xx_irq {
129 #define BCM_6345_ENET_PHY_IRQ (IRQ_INTERNAL_BASE + 12)
130 #define BCM_6345_OHCI0_IRQ 0
131 #define BCM_6345_EHCI0_IRQ 0
132+#define BCM_6345_UDC0_IRQ (IRQ_INTERNAL_BASE + 5)
133 #define BCM_6345_ENET0_RXDMA_IRQ (IRQ_INTERNAL_BASE + 13 + 1)
134 #define BCM_6345_ENET0_TXDMA_IRQ (IRQ_INTERNAL_BASE + 13 + 2)
135 #define BCM_6345_ENET1_RXDMA_IRQ 0
136@@ -577,6 +579,13 @@ enum bcm63xx_irq {
137 #define BCM_6348_ENET_PHY_IRQ (IRQ_INTERNAL_BASE + 9)
138 #define BCM_6348_OHCI0_IRQ (IRQ_INTERNAL_BASE + 12)
139 #define BCM_6348_EHCI0_IRQ 0
140+#define BCM_6348_UDC0_IRQ (IRQ_INTERNAL_BASE + 6)
141+#define BCM_6348_USB_CNTL_RX_DMA_IRQ (IRQ_INTERNAL_BASE + 14)
142+#define BCM_6348_USB_CNTL_TX_DMA_IRQ (IRQ_INTERNAL_BASE + 15)
143+#define BCM_6348_USB_BULK_RX_DMA_IRQ (IRQ_INTERNAL_BASE + 16)
144+#define BCM_6348_USB_BULK_TX_DMA_IRQ (IRQ_INTERNAL_BASE + 17)
145+#define BCM_6348_USB_ISO_RX_DMA_IRQ (IRQ_INTERNAL_BASE + 18)
146+#define BCM_6348_USB_ISO_TX_DMA_IRQ (IRQ_INTERNAL_BASE + 19)
147 #define BCM_6348_ENET0_RXDMA_IRQ (IRQ_INTERNAL_BASE + 20)
148 #define BCM_6348_ENET0_TXDMA_IRQ (IRQ_INTERNAL_BASE + 21)
149 #define BCM_6348_ENET1_RXDMA_IRQ (IRQ_INTERNAL_BASE + 22)
150--- /dev/null
151+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_udc.h
152@@ -0,0 +1,6 @@
153+#ifndef BCM63XX_DEV_USB_UDC_H_
154+#define BCM63XX_DEV_USB_UDC_H_
155+
156+int bcm63xx_udc_register(void);
157+
158+#endif /* BCM63XX_DEV_USB_UDC_H_ */
159--- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
160+++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
161@@ -48,6 +48,7 @@ struct board_info {
162     unsigned int has_dsp:1;
163     unsigned int has_uart0:1;
164     unsigned int has_uart1:1;
165+ unsigned int has_udc0:1;
166 
167     /* ethernet config */
168     struct bcm63xx_enet_platform_data enet0;
169--- a/arch/mips/bcm63xx/Makefile
170+++ b/arch/mips/bcm63xx/Makefile
171@@ -1,6 +1,6 @@
172 obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
173            dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o \
174- dev-usb-ehci.o dev-usb-ohci.o dev-wdt.o
175+ dev-usb-ehci.o dev-usb-ohci.o dev-usb-udc.o dev-wdt.o
176 obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
177 
178 obj-y += boards/
179--- a/arch/mips/bcm63xx/clk.c
180+++ b/arch/mips/bcm63xx/clk.c
181@@ -171,6 +171,30 @@ static struct clk clk_usbh = {
182 };
183 
184 /*
185+ * USB slave clock
186+ */
187+static void usbs_set(struct clk *clk, int enable)
188+{
189+ u32 mask;
190+
191+ switch(bcm63xx_get_cpu_id()) {
192+ case BCM6338_CPU_ID:
193+ mask = CKCTL_6338_USBS_EN;
194+ break;
195+ case BCM6348_CPU_ID:
196+ mask = CKCTL_6348_USBS_EN;
197+ break;
198+ default:
199+ return;
200+ }
201+ bcm_hwclock_set(mask, enable);
202+}
203+
204+static struct clk clk_usbs = {
205+ .set = usbs_set,
206+};
207+
208+/*
209  * SPI clock
210  */
211 static void spi_set(struct clk *clk, int enable)
212@@ -270,6 +294,8 @@ struct clk *clk_get(struct device *dev,
213         return &clk_ephy;
214     if (!strcmp(id, "usbh"))
215         return &clk_usbh;
216+ if (!strcmp(id, "usbs"))
217+ return &clk_usbs;
218     if (!strcmp(id, "spi"))
219         return &clk_spi;
220     if (!strcmp(id, "xtm"))
221--- a/arch/mips/bcm63xx/Kconfig
222+++ b/arch/mips/bcm63xx/Kconfig
223@@ -5,6 +5,7 @@ config BCM63XX_CPU_6338
224     bool "support 6338 CPU"
225     select HW_HAS_PCI
226     select USB_ARCH_HAS_OHCI if USB_SUPPORT
227+ select USB_ARCH_HAS_UDC
228 
229 config BCM63XX_CPU_6345
230     bool "support 6345 CPU"
231@@ -13,6 +14,7 @@ config BCM63XX_CPU_6348
232     bool "support 6348 CPU"
233     select HW_HAS_PCI
234     select USB_ARCH_HAS_OHCI if USB_SUPPORT
235+ select USB_ARCH_HAS_UDC
236 
237 config BCM63XX_CPU_6358
238     bool "support 6358 CPU"
239

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