ppc4xx: Use common NS16550 driver for PPC4xx UART

[u-boot] / arch / powerpc / include / asm / ppc4xx.h

diff --git a/arch/powerpc/include/asm/ppc4xx.h b/arch/powerpc/include/asm/ppc4xx.h
index 7aff401292d0f7ad4256bbef86567e75fd6de728..87a16ec986b5da521649794ab852d56ee06f15a7 100644 (file)
--- a/arch/powerpc/include/asm/ppc4xx.h
+++ b/arch/powerpc/include/asm/ppc4xx.h
@@ -95,6 +95,8 @@
 #define PLB4A0_ACR     0x0081
 #define PLB4A1_ACR     0x0089
 
+/* CPR register declarations */
+
 #define PLB4Ax_ACR_PPM_MASK            0xf0000000
 #define PLB4Ax_ACR_PPM_FIXED           0x00000000
 #define PLB4Ax_ACR_PPM_FAIR            0xd0000000
@@ -110,6 +112,73 @@
 #define PLB4Ax_ACR_WRP_DISABLED                0x00000000
 #define PLB4Ax_ACR_WRP_2DEEP           0x01000000
 
+/*
+ * External Bus Controller
+ */
+/* Values for EBC0_CFGADDR register - indirect addressing of these regs */
+#define PB0CR          0x00    /* periph bank 0 config reg             */
+#define PB1CR          0x01    /* periph bank 1 config reg             */
+#define PB2CR          0x02    /* periph bank 2 config reg             */
+#define PB3CR          0x03    /* periph bank 3 config reg             */
+#define PB4CR          0x04    /* periph bank 4 config reg             */
+#define PB5CR          0x05    /* periph bank 5 config reg             */
+#define PB6CR          0x06    /* periph bank 6 config reg             */
+#define PB7CR          0x07    /* periph bank 7 config reg             */
+#define PB0AP          0x10    /* periph bank 0 access parameters      */
+#define PB1AP          0x11    /* periph bank 1 access parameters      */
+#define PB2AP          0x12    /* periph bank 2 access parameters      */
+#define PB3AP          0x13    /* periph bank 3 access parameters      */
+#define PB4AP          0x14    /* periph bank 4 access parameters      */
+#define PB5AP          0x15    /* periph bank 5 access parameters      */
+#define PB6AP          0x16    /* periph bank 6 access parameters      */
+#define PB7AP          0x17    /* periph bank 7 access parameters      */
+#define PBEAR          0x20    /* periph bus error addr reg            */
+#define PBESR0         0x21    /* periph bus error status reg 0        */
+#define PBESR1         0x22    /* periph bus error status reg 1        */
+#define EBC0_CFG       0x23    /* external bus configuration reg       */
+
+/*
+ * GPIO macro register defines
+ */
+/* todo: merge with gpio.h header */
+#define GPIO_BASE              GPIO0_BASE
+
+#define GPIO0_OR               (GPIO0_BASE + 0x0)
+#define GPIO0_TCR              (GPIO0_BASE + 0x4)
+#define GPIO0_OSRL             (GPIO0_BASE + 0x8)
+#define GPIO0_OSRH             (GPIO0_BASE + 0xC)
+#define GPIO0_TSRL             (GPIO0_BASE + 0x10)
+#define GPIO0_TSRH             (GPIO0_BASE + 0x14)
+#define GPIO0_ODR              (GPIO0_BASE + 0x18)
+#define GPIO0_IR               (GPIO0_BASE + 0x1C)
+#define GPIO0_RR1              (GPIO0_BASE + 0x20)
+#define GPIO0_RR2              (GPIO0_BASE + 0x24)
+#define GPIO0_RR3              (GPIO0_BASE + 0x28)
+#define GPIO0_ISR1L            (GPIO0_BASE + 0x30)
+#define GPIO0_ISR1H            (GPIO0_BASE + 0x34)
+#define GPIO0_ISR2L            (GPIO0_BASE + 0x38)
+#define GPIO0_ISR2H            (GPIO0_BASE + 0x3C)
+#define GPIO0_ISR3L            (GPIO0_BASE + 0x40)
+#define GPIO0_ISR3H            (GPIO0_BASE + 0x44)
+
+#define GPIO1_OR               (GPIO1_BASE + 0x0)
+#define GPIO1_TCR              (GPIO1_BASE + 0x4)
+#define GPIO1_OSRL             (GPIO1_BASE + 0x8)
+#define GPIO1_OSRH             (GPIO1_BASE + 0xC)
+#define GPIO1_TSRL             (GPIO1_BASE + 0x10)
+#define GPIO1_TSRH             (GPIO1_BASE + 0x14)
+#define GPIO1_ODR              (GPIO1_BASE + 0x18)
+#define GPIO1_IR               (GPIO1_BASE + 0x1C)
+#define GPIO1_RR1              (GPIO1_BASE + 0x20)
+#define GPIO1_RR2              (GPIO1_BASE + 0x24)
+#define GPIO1_RR3              (GPIO1_BASE + 0x28)
+#define GPIO1_ISR1L            (GPIO1_BASE + 0x30)
+#define GPIO1_ISR1H            (GPIO1_BASE + 0x34)
+#define GPIO1_ISR2L            (GPIO1_BASE + 0x38)
+#define GPIO1_ISR2H            (GPIO1_BASE + 0x3C)
+#define GPIO1_ISR3L            (GPIO1_BASE + 0x40)
+#define GPIO1_ISR3H            (GPIO1_BASE + 0x44)
+
 /* General Purpose Timer (GPT) Register Offsets */
 #define GPT0_TBC               0x00000000
 #define GPT0_IM                        0x00000018
@@ -133,6 +202,22 @@
 #define GPT0_DCT0              0x00000110
 #define GPT0_DCIS              0x0000011C
 
+#if 0 // test-only
+/*
+ * All PPC4xx share the same NS16550 UART(s). Only base addresses
+ * may differ. We define here the integration of the common NS16550
+ * driver for all PPC4xx SoC's. The board config header must specify
+ * on which UART the console should be located via CONFIG_CONS_INDEX.
+ */
+#if 0 /* test-only */
+#define CONFIG_SERIAL_MULTI
+#endif
+#define CONFIG_SYS_NS16550
+#define CONFIG_SYS_NS16550_SERIAL
+#define CONFIG_SYS_NS16550_REG_SIZE    1
+#define CONFIG_SYS_NS16550_CLK         get_serial_clock()
+#endif
+
 #if defined(CONFIG_440)
 #include <asm/ppc440.h>
 #else