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-rw-r--r--target/ag241/patches/ar7.patch157
1 files changed, 157 insertions, 0 deletions
diff --git a/target/ag241/patches/ar7.patch b/target/ag241/patches/ar7.patch
new file mode 100644
index 000000000..7fe9f03c0
--- /dev/null
+++ b/target/ag241/patches/ar7.patch
@@ -0,0 +1,157 @@
+diff -Nur linux-2.6.33.1.orig/arch/mips/ar7/platform.c linux-2.6.33.1/arch/mips/ar7/platform.c
+--- linux-2.6.33.1.orig/arch/mips/ar7/platform.c 2010-03-15 17:09:39.000000000 +0100
++++ linux-2.6.33.1/arch/mips/ar7/platform.c 2010-03-28 19:26:53.000000000 +0200
+@@ -509,7 +509,7 @@
+
+ memset(uart_port, 0, sizeof(struct uart_port) * 2);
+
+- uart_port[0].type = PORT_16550A;
++ uart_port[0].type = PORT_AR7;
+ uart_port[0].line = 0;
+ uart_port[0].irq = AR7_IRQ_UART0;
+ uart_port[0].uartclk = ar7_bus_freq() / 2;
+@@ -524,7 +524,7 @@
+
+ /* Only TNETD73xx have a second serial port */
+ if (ar7_has_second_uart()) {
+- uart_port[1].type = PORT_16550A;
++ uart_port[1].type = PORT_AR7;
+ uart_port[1].line = 1;
+ uart_port[1].irq = AR7_IRQ_UART1;
+ uart_port[1].uartclk = ar7_bus_freq() / 2;
+diff -Nur linux-2.6.33.1.orig/arch/mips/ar7/prom.c linux-2.6.33.1/arch/mips/ar7/prom.c
+--- linux-2.6.33.1.orig/arch/mips/ar7/prom.c 2010-03-15 17:09:39.000000000 +0100
++++ linux-2.6.33.1/arch/mips/ar7/prom.c 2010-03-28 19:26:53.000000000 +0200
+@@ -219,6 +219,14 @@
+ if (strstr(prom_getcmdline(), "console="))
+ return;
+
++#ifdef CONFIG_KGDB
++ if (!strstr(prom_getcmdline(), "nokgdb")) {
++ strcat(prom_getcmdline(), " console=kgdb");
++ kgdb_enabled = 1;
++ return;
++ }
++#endif
++
+ s = prom_getenv("modetty0");
+ if (s) {
+ baud = simple_strtoul(s, &p, 10);
+diff -Nur linux-2.6.33.1.orig/arch/mips/include/asm/page.h linux-2.6.33.1/arch/mips/include/asm/page.h
+--- linux-2.6.33.1.orig/arch/mips/include/asm/page.h 2010-03-15 17:09:39.000000000 +0100
++++ linux-2.6.33.1/arch/mips/include/asm/page.h 2010-03-28 19:26:53.000000000 +0200
+@@ -200,8 +200,11 @@
+ #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
+ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+
+-#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + UNCAC_BASE)
+-#define CAC_ADDR(addr) ((addr) - UNCAC_BASE + PAGE_OFFSET)
++#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + UNCAC_BASE + \
++ PHYS_OFFSET)
++#define CAC_ADDR(addr) ((addr) - UNCAC_BASE + PAGE_OFFSET - \
++ PHYS_OFFSET)
++
+
+ #include <asm-generic/memory_model.h>
+ #include <asm-generic/getorder.h>
+diff -Nur linux-2.6.33.1.orig/arch/mips/Kconfig linux-2.6.33.1/arch/mips/Kconfig
+--- linux-2.6.33.1.orig/arch/mips/Kconfig 2010-03-15 17:09:39.000000000 +0100
++++ linux-2.6.33.1/arch/mips/Kconfig 2010-03-28 19:26:53.000000000 +0200
+@@ -34,7 +34,6 @@
+ select CEVT_R4K
+ select CSRC_R4K
+ select IRQ_CPU
+- select NO_EXCEPT_FILL
+ select SWAP_IO_SPACE
+ select SYS_HAS_CPU_MIPS32_R1
+ select SYS_HAS_EARLY_PRINTK
+diff -Nur linux-2.6.33.1.orig/arch/mips/kernel/traps.c linux-2.6.33.1/arch/mips/kernel/traps.c
+--- linux-2.6.33.1.orig/arch/mips/kernel/traps.c 2010-03-15 17:09:39.000000000 +0100
++++ linux-2.6.33.1/arch/mips/kernel/traps.c 2010-03-28 19:26:53.000000000 +0200
+@@ -1283,9 +1283,22 @@
+
+ exception_handlers[n] = handler;
+ if (n == 0 && cpu_has_divec) {
+- *(u32 *)(ebase + 0x200) = 0x08000000 |
+- (0x03ffffff & (handler >> 2));
+- local_flush_icache_range(ebase + 0x200, ebase + 0x204);
++ if ((handler ^ (ebase + 4)) & 0xfc000000) {
++ /* lui k0, 0x0000 */
++ *(u32 *)(ebase + 0x200) = 0x3c1a0000 | (handler >> 16);
++ /* ori k0, 0x0000 */
++ *(u32 *)(ebase + 0x204) =
++ 0x375a0000 | (handler & 0xffff);
++ /* jr k0 */
++ *(u32 *)(ebase + 0x208) = 0x03400008;
++ /* nop */
++ *(u32 *)(ebase + 0x20C) = 0x00000000;
++ flush_icache_range(ebase + 0x200, ebase + 0x210);
++ } else {
++ *(u32 *)(ebase + 0x200) =
++ 0x08000000 | (0x03ffffff & (handler >> 2));
++ flush_icache_range(ebase + 0x200, ebase + 0x204);
++ }
+ }
+ return (void *)old_handler;
+ }
+diff -Nur linux-2.6.33.1.orig/drivers/mtd/ar7part.c linux-2.6.33.1/drivers/mtd/ar7part.c
+--- linux-2.6.33.1.orig/drivers/mtd/ar7part.c 2010-03-15 17:09:39.000000000 +0100
++++ linux-2.6.33.1/drivers/mtd/ar7part.c 2010-03-28 19:26:53.000000000 +0200
+@@ -28,7 +28,7 @@
+ #include <linux/bootmem.h>
+ #include <linux/magic.h>
+
+-#define AR7_PARTS 4
++#define AR7_PARTS 5
+ #define ROOT_OFFSET 0xe0000
+
+ #define LOADER_MAGIC1 le32_to_cpu(0xfeedfa42)
+@@ -122,14 +122,19 @@
+
+ ar7_parts[2].name = "linux";
+ ar7_parts[2].offset = pre_size;
+- ar7_parts[2].size = master->size - pre_size - post_size;
++ ar7_parts[2].size = master->size - pre_size - post_size - 2*master->erasesize;
+ ar7_parts[2].mask_flags = 0;
+
+ ar7_parts[3].name = "rootfs";
+ ar7_parts[3].offset = root_offset;
+- ar7_parts[3].size = master->size - root_offset - post_size;
++ ar7_parts[3].size = master->size - root_offset - post_size - 2*master->erasesize;
+ ar7_parts[3].mask_flags = 0;
+
++ ar7_parts[4].name = "cfgfs";
++ ar7_parts[4].offset = master->size - 2*master->erasesize;
++ ar7_parts[4].size = 2*master->erasesize;
++ ar7_parts[4].mask_flags = 0;
++
+ *pparts = ar7_parts;
+ return AR7_PARTS;
+ }
+diff -Nur linux-2.6.33.1.orig/drivers/mtd/maps/physmap.c linux-2.6.33.1/drivers/mtd/maps/physmap.c
+--- linux-2.6.33.1.orig/drivers/mtd/maps/physmap.c 2010-03-15 17:09:39.000000000 +0100
++++ linux-2.6.33.1/drivers/mtd/maps/physmap.c 2010-03-28 19:26:53.000000000 +0200
+@@ -79,7 +79,7 @@
+ "map_rom",
+ NULL };
+ #ifdef CONFIG_MTD_PARTITIONS
+-static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", NULL };
++static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", "ar7part", NULL };
+ #endif
+
+ static int physmap_flash_probe(struct platform_device *dev)
+diff -Nur linux-2.6.33.1.orig/drivers/serial/8250.c linux-2.6.33.1/drivers/serial/8250.c
+--- linux-2.6.33.1.orig/drivers/serial/8250.c 2010-03-15 17:09:39.000000000 +0100
++++ linux-2.6.33.1/drivers/serial/8250.c 2010-03-28 19:26:53.000000000 +0200
+@@ -2715,7 +2715,11 @@
+ {
+ struct uart_8250_port *up = (struct uart_8250_port *)port;
+
++#ifdef CONFIG_AR7
++ wait_for_xmitr(up, BOTH_EMPTY);
++#else
+ wait_for_xmitr(up, UART_LSR_THRE);
++#endif
+ serial_out(up, UART_TX, ch);
+ }
+
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