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-rw-r--r--packages/linux/linux-2.6.24/ts72xx/ts72xx-rs485.patch219
-rw-r--r--packages/linux/linux-omap2-git/beagleboard/l2-cache.patch38
-rw-r--r--packages/linux/linux-omap2_git.bb5
3 files changed, 260 insertions, 2 deletions
diff --git a/packages/linux/linux-2.6.24/ts72xx/ts72xx-rs485.patch b/packages/linux/linux-2.6.24/ts72xx/ts72xx-rs485.patch
new file mode 100644
index 0000000000..0883322c28
--- /dev/null
+++ b/packages/linux/linux-2.6.24/ts72xx/ts72xx-rs485.patch
@@ -0,0 +1,219 @@
+RS485 auto mode support ported from 2.4 (diff against 2.6.19-rc6-git10)
+
+Signed-off-by: Petr Stetiar <ynezz@true.cz>
+
+diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
+index 4213fab..5b3c5ff 100644
+--- a/drivers/serial/amba-pl010.c
++++ b/drivers/serial/amba-pl010.c
+@@ -50,6 +50,7 @@
+ #include <linux/amba/serial.h>
+
+ #include <asm/io.h>
++#include <asm/hardware.h>
+
+ #define UART_NR 8
+
+@@ -65,6 +66,11 @@
+ #define UART_DUMMY_RSR_RX 256
+ #define UART_PORT_SIZE 64
+
++#ifdef CONFIG_MACH_TS72XX
++static void __iomem *ts_rs485_data9_register;
++static void __iomem *ts_rs485_control_register;
++#endif
++
+ /*
+ * We wrap our port structure around the generic uart_port.
+ */
+@@ -487,6 +493,107 @@ static int pl010_verify_port(struct uart
+ return ret;
+ }
+
++#ifdef CONFIG_MACH_TS72XX
++static int ts72xx_rs485_init(void)
++{
++ ts_rs485_data9_register = ioremap(TS72XX_RS485_DATA9_PHYS_BASE, 4096);
++ if (ts_rs485_data9_register == NULL) {
++ return -1;
++ }
++
++ ts_rs485_control_register = ioremap(TS72XX_RS485_CONTROL_PHYS_BASE, 4096);
++ if (ts_rs485_control_register == NULL) {
++ iounmap(ts_rs485_data9_register);
++ return -1;
++ }
++
++ return 0;
++}
++
++static int ts72xx_auto485(struct uart_port *port, unsigned int cmd, unsigned long *arg)
++{
++ int baud, cflag, mode;
++ int datalength;
++
++ mode = (int)*arg;
++ if (!is_rs485_installed()) {
++ printk("amba-pl010.c: this board does not support RS485 auto mode\n");
++ return -EINVAL;
++ }
++
++ if (port->line != 1) {
++ printk("amba-pl010.c: auto RS485 mode is only supported on second port (/dev/ttyAM1)\n");
++ return -EINVAL;
++ }
++
++ datalength = 8;
++ cflag = port->info->tty->termios->c_cflag ;
++ if (cflag & PARENB)
++ datalength++;
++
++ if (cflag & CSTOPB)
++ datalength++;
++
++ baud = tty_get_baud_rate(port->info->tty);
++
++ switch (cmd) {
++ case TIOC_SBCC485:
++ if ((mode & TS72XX_RS485_AUTO485FD) || (mode & TS72XX_RS485_AUTO485HD)) {
++ printk("amba-pl010.c: unsetting auto RS485 mode\n");
++ __raw_writew(TS72XX_RS485_MODE_RS232, ts_rs485_control_register);
++ __raw_writew(TS72XX_RS485_MODE_RS232, ts_rs485_data9_register);
++ }
++ break;
++ case TIOC_SBCS485:
++ if (mode & TS72XX_RS485_AUTO485FD) {
++ printk ("amba-pl010.c: setting FULL duplex auto RS485 mode\n");
++ __raw_writew(TS72XX_RS485_MODE_FD, ts_rs485_control_register);
++ if (datalength > 8)
++ __raw_writew(TS72XX_RS485_MODE_FD, ts_rs485_data9_register);
++ } else if (mode & TS72XX_RS485_AUTO485HD) {
++ printk("amba-pl010.c: setting HALF DUPLEX auto RS485 mode\n");
++ switch (baud) {
++ case 9600:
++ __raw_writew(TS72XX_RS485_MODE_9600_HD, ts_rs485_control_register);
++ break;
++ case 19200:
++ __raw_writew(TS72XX_RS485_MODE_19200_HD, ts_rs485_control_register);
++ break;
++ case 57600:
++ __raw_writew(TS72XX_RS485_MODE_57600_HD, ts_rs485_control_register);
++ break;
++ case 115200:
++ __raw_writew(TS72XX_RS485_MODE_115200_HD, ts_rs485_control_register);
++ break;
++ default:
++ printk("amba-pl010.c: %d baud rate is not supported for auto RS485 mode\n", baud);
++ return -1;
++ }
++ if (datalength > 8)
++ __raw_writew(TS72XX_RS485_MODE_FD, ts_rs485_data9_register);
++ }
++ break;
++ }
++
++ return 0;
++}
++#endif
++
++int pl010_ioctl(struct uart_port *port, unsigned int cmd, unsigned long arg)
++{
++#ifdef CONFIG_MACH_TS72XX
++ switch (cmd) {
++ case TIOC_SBCC485:
++ case TIOC_SBCS485:
++ return ts72xx_auto485(port, cmd, (unsigned long *)arg);
++ break;
++ default:
++ return -ENOIOCTLCMD;
++ }
++#endif
++ return -ENOIOCTLCMD;
++}
++
+ static struct uart_ops amba_pl010_pops = {
+ .tx_empty = pl010_tx_empty,
+ .set_mctrl = pl010_set_mctrl,
+@@ -504,6 +611,7 @@ static struct uart_ops amba_pl010_pops =
+ .request_port = pl010_request_port,
+ .config_port = pl010_config_port,
+ .verify_port = pl010_verify_port,
++ .ioctl = pl010_ioctl,
+ };
+
+ static struct uart_amba_port *amba_ports[UART_NR];
+@@ -746,6 +854,15 @@ static int __init pl010_init(void)
+ ret = uart_register_driver(&amba_reg);
+ if (ret == 0) {
+ ret = amba_driver_register(&pl010_driver);
++#ifdef CONFIG_MACH_TS72XX
++ if (!ret && is_rs485_installed()) {
++ ret = ts72xx_rs485_init();
++ if (ret)
++ printk("amba-pl010.c: ts72xx_rs485_init() failed\n");
++ else
++ printk("amba-pl010.c: auto RS485 mode initialized\n");
++ }
++#endif
+ if (ret)
+ uart_unregister_driver(&amba_reg);
+ }
+@@ -756,6 +873,10 @@ static void __exit pl010_exit(void)
+ {
+ amba_driver_unregister(&pl010_driver);
+ uart_unregister_driver(&amba_reg);
++#ifdef CONFIG_MACH_TS72XX
++ iounmap(ts_rs485_data9_register);
++ iounmap(ts_rs485_control_register);
++#endif
+ }
+
+ module_init(pl010_init);
+diff --git a/include/asm-arm/arch-ep93xx/ts72xx.h b/include/asm-arm/arch-ep93xx/ts72xx.h
+index a94f63f..4c9396b 100644
+--- a/include/asm-arm/arch-ep93xx/ts72xx.h
++++ b/include/asm-arm/arch-ep93xx/ts72xx.h
+@@ -68,6 +68,16 @@
+ #define TS72XX_RTC_DATA_PHYS_BASE 0x11700000
+ #define TS72XX_RTC_DATA_SIZE 0x00001000
+
++#define TS72XX_RS485_CONTROL_PHYS_BASE 0x22C00000
++#define TS72XX_RS485_DATA9_PHYS_BASE 0x23000000
++#define TS72XX_RS485_AUTO485FD 1
++#define TS72XX_RS485_AUTO485HD 2
++#define TS72XX_RS485_MODE_RS232 0x00
++#define TS72XX_RS485_MODE_FD 0x01
++#define TS72XX_RS485_MODE_9600_HD 0x04
++#define TS72XX_RS485_MODE_19200_HD 0x05
++#define TS72XX_RS485_MODE_57600_HD 0x06
++#define TS72XX_RS485_MODE_115200_HD 0x07
+
+ #ifndef __ASSEMBLY__
+ #include <asm/io.h>
+@@ -87,6 +100,12 @@ static inline int board_is_ts7260(void)
+ return __raw_readb(TS72XX_MODEL_VIRT_BASE) == TS72XX_MODEL_TS7260;
+ }
+
++static inline int is_rs485_installed(void)
++{
++ return !!(__raw_readb(TS72XX_OPTIONS_VIRT_BASE) &
++ TS72XX_OPTIONS_COM2_RS485);
++}
++
+ static inline int is_max197_installed(void)
+ {
+ return !!(__raw_readb(TS72XX_OPTIONS_VIRT_BASE) &
+diff --git a/include/asm-arm/ioctls.h b/include/asm-arm/ioctls.h
+index bb9a7aa..4d7dad1 100644
+--- a/include/asm-arm/ioctls.h
++++ b/include/asm-arm/ioctls.h
+@@ -66,6 +66,9 @@
+ #define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */
+ #define FIOQSIZE 0x545E
+
++#define TIOC_SBCC485 0x545F /* TS72xx RTS/485 mode clear */
++#define TIOC_SBCS485 0x5460 /* TS72xx RTS/485 mode set */
++
+ /* Used for packet mode */
+ #define TIOCPKT_DATA 0
+ #define TIOCPKT_FLUSHREAD 1
diff --git a/packages/linux/linux-omap2-git/beagleboard/l2-cache.patch b/packages/linux/linux-omap2-git/beagleboard/l2-cache.patch
new file mode 100644
index 0000000000..7e93c29036
--- /dev/null
+++ b/packages/linux/linux-omap2-git/beagleboard/l2-cache.patch
@@ -0,0 +1,38 @@
+diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
+index 15066c2..70f85c1 100644
+--- a/arch/arm/mm/Kconfig
++++ b/arch/arm/mm/Kconfig
+@@ -665,6 +665,12 @@ config CPU_CACHE_ROUND_ROBIN
+ Say Y here to use the predictable round-robin cache replacement
+ policy. Unless you specifically require this or are unsure, say N.
+
++config CPU_L2CACHE_DISABLE
++ bool "Disable level 2 cache"
++ depends on CPU_V7
++ help
++ Say Y here to disable the level 2 cache. If unsure, say N.
++
+ config CPU_BPREDICT_DISABLE
+ bool "Disable branch prediction"
+ depends on CPU_ARM1020 || CPU_V6 || CPU_XSC3 || CPU_V7
+diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
+index a1d7331..432ddab 100644
+--- a/arch/arm/mm/proc-v7.S
++++ b/arch/arm/mm/proc-v7.S
+@@ -181,6 +181,16 @@ __v7_setup:
+ mcr p15, 0, r4, c2, c0, 1 @ load TTB1
+ mov r10, #0x1f @ domains 0, 1 = manager
+ mcr p15, 0, r10, c3, c0, 0 @ load domain access register
++#ifndef CONFIG_CPU_L2CACHE_DISABLE
++ @ L2 cache configuration in the L2 aux control register
++ mrc p15, 1, r10, c9, c0, 2
++ bic r10, r10, #(1 << 16) @ L2 outer cache
++ mcr p15, 1, r10, c9, c0, 2
++ @ L2 cache is enabled in the aux control register
++ mrc p15, 0, r10, c1, c0, 1
++ orr r10, r10, #2
++ mcr p15, 0, r10, c1, c0, 1
++#endif
+ #endif
+ adr r5, v7_crval
+ ldmia r5, {r5, r6}
diff --git a/packages/linux/linux-omap2_git.bb b/packages/linux/linux-omap2_git.bb
index 4a3c3faf01..71bd173541 100644
--- a/packages/linux/linux-omap2_git.bb
+++ b/packages/linux/linux-omap2_git.bb
@@ -2,10 +2,10 @@ require linux-omap.inc
FILESDIR = "${@os.path.dirname(bb.data.getVar('FILE',d,1))}/linux-omap2-git/${MACHINE}"
-SRCREV = "59586cd959b31f91f29cf96c1d3f8ff52c3c0607"
+SRCREV = "547ba9200727d2334f779cbf46ab62accb1281aa"
PV = "2.6.25+git${SRCREV}"
-PR = "r6"
+PR = "r8"
SRC_URI = "git://source.mvista.com/git/linux-omap-2.6.git;protocol=git \
@@ -13,6 +13,7 @@ SRC_URI = "git://source.mvista.com/git/linux-omap-2.6.git;protocol=git \
SRC_URI_append_beagleboard = " file://no-harry-potter.diff;patch=1 \
file://usb-timout.patch;patch=1 \
+# file://l2-cache.patch;patch=1 \
"
COMPATIBLE_MACHINE = "omap2430sdp|omap2420h4|beagleboard"
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 01:10:22 +0000