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-rw-r--r--include/asm-blackfin/mach-bf533/bfin_serial_5xx.h50
-rw-r--r--include/asm-blackfin/mach-bf533/bfin_sir.h120
-rw-r--r--include/asm-blackfin/mach-bf533/blackfin.h15
3 files changed, 168 insertions, 17 deletions
diff --git a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
index b6f513bee56..fbe88dee3e2 100644
--- a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
@@ -1,22 +1,38 @@
1/*
2 * file: include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
3 * based on:
4 * author:
5 *
6 * created:
7 * description:
8 * blackfin serial driver head file
9 * rev:
10 *
11 * modified:
12 *
13 *
14 * bugs: enter bugs at http://blackfin.uclinux.org/
15 *
16 * this program is free software; you can redistribute it and/or modify
17 * it under the terms of the gnu general public license as published by
18 * the free software foundation; either version 2, or (at your option)
19 * any later version.
20 *
21 * this program is distributed in the hope that it will be useful,
22 * but without any warranty; without even the implied warranty of
23 * merchantability or fitness for a particular purpose. see the
24 * gnu general public license for more details.
25 *
26 * you should have received a copy of the gnu general public license
27 * along with this program; see the file copying.
28 * if not, write to the free software foundation,
29 * 59 temple place - suite 330, boston, ma 02111-1307, usa.
30 */
31
1#include <linux/serial.h> 32#include <linux/serial.h>
2#include <asm/dma.h> 33#include <asm/dma.h>
3#include <asm/portmux.h> 34#include <asm/portmux.h>
4 35
5#define NR_PORTS 1
6
7#define OFFSET_THR 0x00 /* Transmit Holding register */
8#define OFFSET_RBR 0x00 /* Receive Buffer register */
9#define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */
10#define OFFSET_IER 0x04 /* Interrupt Enable Register */
11#define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */
12#define OFFSET_IIR 0x08 /* Interrupt Identification Register */
13#define OFFSET_LCR 0x0C /* Line Control Register */
14#define OFFSET_MCR 0x10 /* Modem Control Register */
15#define OFFSET_LSR 0x14 /* Line Status Register */
16#define OFFSET_MSR 0x18 /* Modem Status Register */
17#define OFFSET_SCR 0x1C /* SCR Scratch Register */
18#define OFFSET_GCTL 0x24 /* Global Control Register */
19
20#define UART_GET_CHAR(uart) bfin_read16(((uart)->port.membase + OFFSET_RBR)) 36#define UART_GET_CHAR(uart) bfin_read16(((uart)->port.membase + OFFSET_RBR))
21#define UART_GET_DLL(uart) bfin_read16(((uart)->port.membase + OFFSET_DLL)) 37#define UART_GET_DLL(uart) bfin_read16(((uart)->port.membase + OFFSET_DLL))
22#define UART_GET_IER(uart) bfin_read16(((uart)->port.membase + OFFSET_IER)) 38#define UART_GET_IER(uart) bfin_read16(((uart)->port.membase + OFFSET_IER))
@@ -84,7 +100,7 @@ static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart)
84 bfin_write16(uart->port.membase + OFFSET_LSR, -1); 100 bfin_write16(uart->port.membase + OFFSET_LSR, -1);
85} 101}
86 102
87struct bfin_serial_port bfin_serial_ports[NR_PORTS]; 103struct bfin_serial_port bfin_serial_ports[BFIN_UART_NR_PORTS];
88struct bfin_serial_res { 104struct bfin_serial_res {
89 unsigned long uart_base_addr; 105 unsigned long uart_base_addr;
90 int uart_irq; 106 int uart_irq;
@@ -115,7 +131,7 @@ struct bfin_serial_res bfin_serial_resource[] = {
115 131
116#define DRIVER_NAME "bfin-uart" 132#define DRIVER_NAME "bfin-uart"
117 133
118int nr_ports = NR_PORTS; 134int nr_ports = BFIN_UART_NR_PORTS;
119static void bfin_serial_hw_init(struct bfin_serial_port *uart) 135static void bfin_serial_hw_init(struct bfin_serial_port *uart)
120{ 136{
121 137
diff --git a/include/asm-blackfin/mach-bf533/bfin_sir.h b/include/asm-blackfin/mach-bf533/bfin_sir.h
new file mode 100644
index 00000000000..cefcf8bb505
--- /dev/null
+++ b/include/asm-blackfin/mach-bf533/bfin_sir.h
@@ -0,0 +1,120 @@
1/*
2 * Blackfin Infra-red Driver
3 *
4 * Copyright 2006-2008 Analog Devices Inc.
5 *
6 * Enter bugs at http://blackfin.uclinux.org/
7 *
8 * Licensed under the GPL-2 or later.
9 *
10 */
11
12#include <linux/serial.h>
13#include <asm/dma.h>
14#include <asm/portmux.h>
15
16#define SIR_UART_GET_CHAR(port) bfin_read16((port)->membase + OFFSET_RBR)
17#define SIR_UART_GET_DLL(port) bfin_read16((port)->membase + OFFSET_DLL)
18#define SIR_UART_GET_IER(port) bfin_read16((port)->membase + OFFSET_IER)
19#define SIR_UART_GET_DLH(port) bfin_read16((port)->membase + OFFSET_DLH)
20#define SIR_UART_GET_IIR(port) bfin_read16((port)->membase + OFFSET_IIR)
21#define SIR_UART_GET_LCR(port) bfin_read16((port)->membase + OFFSET_LCR)
22#define SIR_UART_GET_GCTL(port) bfin_read16((port)->membase + OFFSET_GCTL)
23
24#define SIR_UART_PUT_CHAR(port, v) bfin_write16(((port)->membase + OFFSET_THR), v)
25#define SIR_UART_PUT_DLL(port, v) bfin_write16(((port)->membase + OFFSET_DLL), v)
26#define SIR_UART_PUT_IER(port, v) bfin_write16(((port)->membase + OFFSET_IER), v)
27#define SIR_UART_PUT_DLH(port, v) bfin_write16(((port)->membase + OFFSET_DLH), v)
28#define SIR_UART_PUT_LCR(port, v) bfin_write16(((port)->membase + OFFSET_LCR), v)
29#define SIR_UART_PUT_GCTL(port, v) bfin_write16(((port)->membase + OFFSET_GCTL), v)
30
31#ifdef CONFIG_SIR_BFIN_DMA
32struct dma_rx_buf {
33 char *buf;
34 int head;
35 int tail;
36 };
37#endif /* CONFIG_SIR_BFIN_DMA */
38
39struct bfin_sir_port {
40 unsigned char __iomem *membase;
41 unsigned int irq;
42 unsigned int lsr;
43 unsigned long clk;
44 struct net_device *dev;
45#ifdef CONFIG_SIR_BFIN_DMA
46 int tx_done;
47 struct dma_rx_buf rx_dma_buf;
48 struct timer_list rx_dma_timer;
49 int rx_dma_nrows;
50#endif /* CONFIG_SIR_BFIN_DMA */
51 unsigned int tx_dma_channel;
52 unsigned int rx_dma_channel;
53};
54
55struct bfin_sir_port sir_ports[BFIN_UART_NR_PORTS];
56
57struct bfin_sir_port_res {
58 unsigned long base_addr;
59 int irq;
60 unsigned int rx_dma_channel;
61 unsigned int tx_dma_channel;
62};
63
64struct bfin_sir_port_res bfin_sir_port_resource[] = {
65#ifdef CONFIG_BFIN_SIR0
66 {
67 0xFFC00400,
68 IRQ_UART_RX,
69 CH_UART_RX,
70 CH_UART_TX,
71 },
72#endif
73};
74
75int nr_sirs = ARRAY_SIZE(bfin_sir_port_resource);
76
77struct bfin_sir_self {
78 struct bfin_sir_port *sir_port;
79 spinlock_t lock;
80 unsigned int open;
81 int speed;
82 int newspeed;
83
84 struct sk_buff *txskb;
85 struct sk_buff *rxskb;
86 struct net_device_stats stats;
87 struct device *dev;
88 struct irlap_cb *irlap;
89 struct qos_info qos;
90
91 iobuff_t tx_buff;
92 iobuff_t rx_buff;
93
94 struct work_struct work;
95 int mtt;
96};
97
98static inline unsigned int SIR_UART_GET_LSR(struct bfin_sir_port *port)
99{
100 unsigned int lsr = bfin_read16(port->membase + OFFSET_LSR);
101 port->lsr |= (lsr & (BI|FE|PE|OE));
102 return lsr | port->lsr;
103}
104
105static inline void SIR_UART_CLEAR_LSR(struct bfin_sir_port *port)
106{
107 port->lsr = 0;
108 bfin_read16(port->membase + OFFSET_LSR);
109}
110
111#define DRIVER_NAME "bfin_sir"
112
113static void bfin_sir_hw_init(void)
114{
115#ifdef CONFIG_BFIN_SIR0
116 peripheral_request(P_UART0_TX, DRIVER_NAME);
117 peripheral_request(P_UART0_RX, DRIVER_NAME);
118#endif
119 SSYNC();
120}
diff --git a/include/asm-blackfin/mach-bf533/blackfin.h b/include/asm-blackfin/mach-bf533/blackfin.h
index f3b240abf17..d80971b4e3a 100644
--- a/include/asm-blackfin/mach-bf533/blackfin.h
+++ b/include/asm-blackfin/mach-bf533/blackfin.h
@@ -42,4 +42,19 @@
42#include "cdefBF532.h" 42#include "cdefBF532.h"
43#endif 43#endif
44 44
45#define BFIN_UART_NR_PORTS 1
46
47#define OFFSET_THR 0x00 /* Transmit Holding register */
48#define OFFSET_RBR 0x00 /* Receive Buffer register */
49#define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */
50#define OFFSET_IER 0x04 /* Interrupt Enable Register */
51#define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */
52#define OFFSET_IIR 0x08 /* Interrupt Identification Register */
53#define OFFSET_LCR 0x0C /* Line Control Register */
54#define OFFSET_MCR 0x10 /* Modem Control Register */
55#define OFFSET_LSR 0x14 /* Line Status Register */
56#define OFFSET_MSR 0x18 /* Modem Status Register */
57#define OFFSET_SCR 0x1C /* SCR Scratch Register */
58#define OFFSET_GCTL 0x24 /* Global Control Register */
59
45#endif /* _MACH_BLACKFIN_H_ */ 60#endif /* _MACH_BLACKFIN_H_ */
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-13 10:06:19 -0500