We have found the following changes are necessary for the Philips(NXP)/STB810
platform
Signed-off-by: Daniel Laird <daniel.j.laird@nxp.com>
--- kernel/include/asm-mips/mipsregs.h
+++ kernel-new/include/asm-mips/mipsregs.h
@@ -498,6 +498,25 @@
#define MIPS_CONF_AT (_ULCAST_(3) << 13)
#define MIPS_CONF_M (_ULCAST_(1) << 31)
+/* Bits specific to the PR4450 CMEM Registers */
+#define PR4450_CMEMF_BBA (_ULCAST_(2047) << 20)
+#define PR4450_CMEMB_BBA 20
+#define PR4450_CMEMF_SIZE (_ULCAST_(15) << 1)
+#define PR4450_CMEMB_SIZE 1
+#define PR4450_CMEM_SIZE_1MB 0
+#define PR4450_CMEM_SIZE_2MB 1
+#define PR4450_CMEM_SIZE_4MB 2
+#define PR4450_CMEM_SIZE_8MB 3
+#define PR4450_CMEM_SIZE_16MB 4
+#define PR4450_CMEM_SIZE_32MB 5
+#define PR4450_CMEM_SIZE_64MB 6
+#define PR4450_CMEM_SIZE_128MB 7
+#define PR4450_CMEM_SIZE_256MB 8
+#define PR4450_CMEM_SIZE_512MB 9
+#define PR4450_CMEM_SIZE_1GB 10
+#define PR4450_CMEMF_VALID (_ULCAST_(1) << 0)
+#define PR4450_CMEMB_VALID 0
+
/*
* Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
*/
@@ -917,6 +936,14 @@
#define read_c0_diag5() __read_32bit_c0_register($22, 5)
#define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val)
+#ifdef CONFIG_SOC_PNX8550
+#define read_c0_diag6() __read_32bit_c0_register($22, 6)
+#define write_c0_diag6(val) __write_32bit_c0_register($22, 6, val)
+
+#define read_c0_diag7() __read_32bit_c0_register($22, 7)
+#define write_c0_diag7(val) __write_32bit_c0_register($22, 7, val)
+#endif
+
#define read_c0_debug() __read_32bit_c0_register($23, 0)
#define write_c0_debug(val) __write_32bit_c0_register($23, 0, val)
--- kernel/arch/mips/philips/pnx8550/common/setup.c
+++ kernel-new/arch/mips/philips/pnx8550/common/setup.c
@@ -100,11 +100,29 @@
board_setup(); /* board specific setup */
- _machine_restart = pnx8550_machine_restart;
- _machine_halt = pnx8550_machine_halt;
- pm_power_off = pnx8550_machine_power_off;
+ _machine_restart = pnx8550_machine_restart;
+ _machine_halt = pnx8550_machine_halt;
+ pm_power_off = pnx8550_machine_power_off;
+ board_time_init = pnx8550_time_init;
- board_time_init = pnx8550_time_init;
+ /* Setup CMEM Registers */
+ /* CMEM0 = MMIO */
+ write_c0_diag4((0x1be00000 & PR4450_CMEMF_BBA) |
+ (PR4450_CMEM_SIZE_2MB << PR4450_CMEMB_SIZE) |
+ (1 << PR4450_CMEMB_VALID));
+
+ /* CMEM1 = XIO */
+ write_c0_diag5((0x10000000 & PR4450_CMEMF_BBA) |
+ (PR4450_CMEM_SIZE_128MB << PR4450_CMEMB_SIZE) |
+ (1 << PR4450_CMEMB_VALID));
+
+ /* CMEM2 = PCI */
+ write_c0_diag6((0x20000000 & PR4450_CMEMF_BBA) |
+ (PR4450_CMEM_SIZE_128MB << PR4450_CMEMB_SIZE) |
+ (1 << PR4450_CMEMB_VALID));
+
+ /* CMEM3 = Not used */
+ write_c0_diag7(0);
/* Clear the Global 2 Register, PCI Inta Output Enable Registers
Bit 1:Enable DAC Powerdown
Cheers
Dan Laird
--
View this message in context:
http://www.nabble.com/-PATCH--Philips%28NXP%29-STB810-changes-tf3957431.html#a11229250
Sent from the linux-mips main mailing list archive at Nabble.com.
|