Root/target/linux/brcm63xx/patches-2.6.39/180-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@@ -905,6 +908,9 @@ int __init board_register_devices(void)
21     if (board.has_dsp)
22         bcm63xx_dsp_register(&board.dsp);
23 
24+ if (board.has_udc0)
25+ bcm63xx_udc_register();
26+
27     /* read base address of boot chip select (0) */
28     if (BCMCPU_IS_6345())
29         val = 0x1fc00000;
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@@ -127,7 +127,7 @@ enum bcm63xx_regs_set {
94 #define BCM_6338_UART1_BASE (0xdeadbeef)
95 #define BCM_6338_GPIO_BASE (0xfffe0400)
96 #define BCM_6338_SPI_BASE (0xfffe0c00)
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@@ -158,7 +158,7 @@ enum bcm63xx_regs_set {
103 #define BCM_6345_UART1_BASE (0xdeadbeef)
104 #define BCM_6345_GPIO_BASE (0xfffe0400)
105 #define BCM_6345_SPI_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@@ -215,7 +215,7 @@ enum bcm63xx_regs_set {
112 #define BCM_6358_UART1_BASE (0xfffe0120)
113 #define BCM_6358_GPIO_BASE (0xfffe0080)
114 #define BCM_6358_SPI_BASE (0xdeadbeef)
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@@ -444,6 +444,7 @@ 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@@ -486,7 +487,7 @@ enum bcm63xx_irq {
129 #define BCM_6345_UART0_IRQ (IRQ_INTERNAL_BASE + 2)
130 #define BCM_6345_DSL_IRQ (IRQ_INTERNAL_BASE + 3)
131 #define BCM_6345_ATM_IRQ (IRQ_INTERNAL_BASE + 4)
132-#define BCM_6345_USB_IRQ (IRQ_INTERNAL_BASE + 5)
133+#define BCM_6345_UDC0_IRQ (IRQ_INTERNAL_BASE + 5)
134 #define BCM_6345_ENET0_IRQ (IRQ_INTERNAL_BASE + 8)
135 #define BCM_6345_ENET_PHY_IRQ (IRQ_INTERNAL_BASE + 12)
136 #define BCM_6345_ENET0_RXDMA_IRQ (IRQ_INTERNAL_BASE + 13 + 1)
137@@ -508,10 +509,17 @@ enum bcm63xx_irq {
138 #define BCM_6348_TIMER_IRQ (IRQ_INTERNAL_BASE + 0)
139 #define BCM_6348_UART0_IRQ (IRQ_INTERNAL_BASE + 2)
140 #define BCM_6348_DSL_IRQ (IRQ_INTERNAL_BASE + 4)
141+#define BCM_6348_UDC0_IRQ (IRQ_INTERNAL_BASE + 6)
142 #define BCM_6348_ENET1_IRQ (IRQ_INTERNAL_BASE + 7)
143 #define BCM_6348_ENET0_IRQ (IRQ_INTERNAL_BASE + 8)
144 #define BCM_6348_ENET_PHY_IRQ (IRQ_INTERNAL_BASE + 9)
145 #define BCM_6348_OHCI0_IRQ (IRQ_INTERNAL_BASE + 12)
146+#define BCM_6348_USB_CNTL_RX_DMA_IRQ (IRQ_INTERNAL_BASE + 14)
147+#define BCM_6348_USB_CNTL_TX_DMA_IRQ (IRQ_INTERNAL_BASE + 15)
148+#define BCM_6348_USB_BULK_RX_DMA_IRQ (IRQ_INTERNAL_BASE + 16)
149+#define BCM_6348_USB_BULK_TX_DMA_IRQ (IRQ_INTERNAL_BASE + 17)
150+#define BCM_6348_USB_ISO_RX_DMA_IRQ (IRQ_INTERNAL_BASE + 18)
151+#define BCM_6348_USB_ISO_TX_DMA_IRQ (IRQ_INTERNAL_BASE + 19)
152 #define BCM_6348_ENET0_RXDMA_IRQ (IRQ_INTERNAL_BASE + 20)
153 #define BCM_6348_ENET0_TXDMA_IRQ (IRQ_INTERNAL_BASE + 21)
154 #define BCM_6348_ENET1_RXDMA_IRQ (IRQ_INTERNAL_BASE + 22)
155--- /dev/null
156+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_usb_udc.h
157@@ -0,0 +1,6 @@
158+#ifndef BCM63XX_DEV_USB_UDC_H_
159+#define BCM63XX_DEV_USB_UDC_H_
160+
161+int bcm63xx_udc_register(void);
162+
163+#endif /* BCM63XX_DEV_USB_UDC_H_ */
164--- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
165+++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
166@@ -47,6 +47,7 @@ struct board_info {
167     unsigned int has_dsp:1;
168     unsigned int has_uart0:1;
169     unsigned int has_uart1:1;
170+ unsigned int has_udc0:1;
171 
172     /* ethernet config */
173     struct bcm63xx_enet_platform_data enet0;
174--- a/arch/mips/bcm63xx/Makefile
175+++ b/arch/mips/bcm63xx/Makefile
176@@ -1,6 +1,6 @@
177 obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
178            dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o dev-wdt.o \
179- dev-usb-ohci.o dev-usb-ehci.o
180+ dev-usb-ohci.o dev-usb-ehci.o dev-usb-udc.o
181 obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
182 
183 obj-y += boards/
184--- a/arch/mips/bcm63xx/clk.c
185+++ b/arch/mips/bcm63xx/clk.c
186@@ -141,6 +141,30 @@ static struct clk clk_usbh = {
187 };
188 
189 /*
190+ * USB slave clock
191+ */
192+static void usbs_set(struct clk *clk, int enable)
193+{
194+ u32 mask;
195+
196+ switch(bcm63xx_get_cpu_id()) {
197+ case BCM6338_CPU_ID:
198+ mask = CKCTL_6338_USBS_EN;
199+ break;
200+ case BCM6348_CPU_ID:
201+ mask = CKCTL_6348_USBS_EN;
202+ break;
203+ default:
204+ return;
205+ }
206+ bcm_hwclock_set(mask, enable);
207+}
208+
209+static struct clk clk_usbs = {
210+ .set = usbs_set,
211+};
212+
213+/*
214  * SPI clock
215  */
216 static void spi_set(struct clk *clk, int enable)
217@@ -208,6 +232,8 @@ struct clk *clk_get(struct device *dev,
218         return &clk_ephy;
219     if (!strcmp(id, "usbh"))
220         return &clk_usbh;
221+ if (!strcmp(id, "usbs"))
222+ return &clk_usbs;
223     if (!strcmp(id, "spi"))
224         return &clk_spi;
225     if (!strcmp(id, "periph"))
226--- a/arch/mips/bcm63xx/Kconfig
227+++ b/arch/mips/bcm63xx/Kconfig
228@@ -7,6 +7,7 @@ config BCM63XX_CPU_6338
229     select USB_ARCH_HAS_OHCI
230     select USB_OHCI_BIG_ENDIAN_DESC
231     select USB_OHCI_BIG_ENDIAN_MMIO
232+ select USB_ARCH_HAS_UDC
233 
234 config BCM63XX_CPU_6345
235     bool "support 6345 CPU"
236@@ -19,6 +20,7 @@ config BCM63XX_CPU_6348
237     select USB_ARCH_HAS_OHCI
238     select USB_OHCI_BIG_ENDIAN_DESC
239     select USB_OHCI_BIG_ENDIAN_MMIO
240+ select USB_ARCH_HAS_UDC
241 
242 config BCM63XX_CPU_6358
243     bool "support 6358 CPU"
244

Archive Download this file



interactive