Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (36 commits)
  MIPS: Calculate proper ebase value for 64-bit kernels
  MIPS: Alchemy: DB1200: Remove custom wait implementation
  MIPS: Big Sur: Make defconfig more useful.
  MIPS: Fix __vmalloc() etc. on MIPS for non-GPL modules
  MIPS: Sibyte: Fix M3 TLB exception handler workaround.
  MIPS: BCM63xx: Fix build failure in board_bcm963xx.c
  MIPS: uasm: Add OR instruction.
  MIPS: Sibyte: Apply M3 workaround only on affected chip types and versions.
  MIPS: BCM63xx: Initialize gpio_out_low & out_high to current value at boot.
  MIPS: BCM63xx: Register SSB SPROM fallback in board's first stage callback
  MIPS: BCM63xx: Fix typo in cpu-feature-overrides file.
  MIPS: BCM63xx: Add support for second uart.
  MIPS: BCM63xx: Fix double gpio registration.
  MIPS: BCM63xx: Add DWVS0 board
  MIPS: BCM63xx: Add the RTA1025W-16 BCM6348-based board to suppported boards.
  MIPS: BCM63xx: Fix BCM6338 and BCM6345 gpio count
  MIPS: libgcc.h: Checkpatch cleanup
  MIPS: Loongson-2F: Flush the branch target history in BTB and RAS
  MIPS: Move signal trampolines off of the stack.
  MIPS: Preliminary VDSO
  ...

1 files changed, 50 insertions, 16 deletions

diff --git a/arch/mips/bcm63xx/dev-uart.c b/arch/mips/bcm63xx/dev-uart.c
index b0519461ad9b..c2963da0253e 100644
--- a/arch/mips/bcm63xx/dev-uart.c
+++ b/arch/mips/bcm63xx/dev-uart.c
@@ -11,31 +11,65 @@
 #include <linux/platform_device.h>
 #include <bcm63xx_cpu.h>
 
-static struct resource uart_resources[] = {
+static struct resource uart0_resources[] = {
         {
-                .start          = -1, /* filled at runtime */
-                .end            = -1, /* filled at runtime */
+                /* start & end filled at runtime */
                 .flags          = IORESOURCE_MEM,
         },
         {
-                .start          = -1, /* filled at runtime */
+                /* start filled at runtime */
                 .flags          = IORESOURCE_IRQ,
         },
 };
 
-static struct platform_device bcm63xx_uart_device = {
-        .name           = "bcm63xx_uart",
-        .id             = 0,
-        .num_resources  = ARRAY_SIZE(uart_resources),
-        .resource       = uart_resources,
+static struct resource uart1_resources[] = {
+        {
+                /* start & end filled at runtime */
+                .flags          = IORESOURCE_MEM,
+        },
+        {
+                /* start filled at runtime */
+                .flags          = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device bcm63xx_uart_devices[] = {
+        {
+                .name           = "bcm63xx_uart",
+                .id             = 0,
+                .num_resources  = ARRAY_SIZE(uart0_resources),
+                .resource       = uart0_resources,
+        },
+
+        {
+                .name           = "bcm63xx_uart",
+                .id             = 1,
+                .num_resources  = ARRAY_SIZE(uart1_resources),
+                .resource       = uart1_resources,
+        }
 };
 
-int __init bcm63xx_uart_register(void)
+int __init bcm63xx_uart_register(unsigned int id)
 {
-        uart_resources[0].start = bcm63xx_regset_address(RSET_UART0);
-        uart_resources[0].end = uart_resources[0].start;
-        uart_resources[0].end += RSET_UART_SIZE - 1;
-        uart_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0);
-        return platform_device_register(&bcm63xx_uart_device);
+        if (id >= ARRAY_SIZE(bcm63xx_uart_devices))
+                return -ENODEV;
+
+        if (id == 1 && !BCMCPU_IS_6358())
+                return -ENODEV;
+
+        if (id == 0) {
+                uart0_resources[0].start = bcm63xx_regset_address(RSET_UART0);
+                uart0_resources[0].end = uart0_resources[0].start +
+                        RSET_UART_SIZE - 1;
+                uart0_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0);
+        }
+
+        if (id == 1) {
+                uart1_resources[0].start = bcm63xx_regset_address(RSET_UART1);
+                uart1_resources[0].end = uart1_resources[0].start +
+                        RSET_UART_SIZE - 1;
+                uart1_resources[1].start = bcm63xx_get_irq_number(IRQ_UART1);
+        }
+
+        return platform_device_register(&bcm63xx_uart_devices[id]);
 }
-arch_initcall(bcm63xx_uart_register);