From 4497861ae7e52dda4dd13db860df4cc0fa7dd852 Mon Sep 17 00:00:00 2001 From: Shaohui Xie Date: Fri, 2 Dec 2011 09:38:12 +0800 Subject: p2041rdb: fix serdes clock map Description of SerDes clock Bank2 setting in p2041 hardware specification is wrong, the clock map which based on it is wrong either, so fix the serdes clock map. wrong setting of SERDES Reference Clocks Bank2: SW2[5:6] = ON OFF =>100MHz for PCI mode SW2[5:6] = OFF ON =>125MHz for SGMII mode right setting of SERDES Reference Clocks Bank2: SW2[5:6] = OFF OFF =>100MHz for PCI mode SW2[5:6] = OFF ON =>125MHz for SGMII mode SW2[5:6] = ON OFF =>156.25MHZ Signed-off-by: Shaohui Xie Signed-off-by: Kumar Gala --- board/freescale/p2041rdb/p2041rdb.c | 25 +++++++++++++++---------- 1 file changed, 15 insertions(+), 10 deletions(-) (limited to 'board/freescale') diff --git a/board/freescale/p2041rdb/p2041rdb.c b/board/freescale/p2041rdb/p2041rdb.c index 6461bd7..1f6a34b 100644 --- a/board/freescale/p2041rdb/p2041rdb.c +++ b/board/freescale/p2041rdb/p2041rdb.c @@ -83,10 +83,12 @@ int checkboard(void) puts("SERDES Reference Clocks: "); sw = in_8(&CPLD_SW(2)) >> 2; for (i = 0; i < 2; i++) { - static const char * const freq[] = {"0", "100", "125"}; + static const char * const freq[][3] = {{"0", "100", "125"}, + {"100", "156.25", "125"} + }; unsigned int clock = (sw >> (2 * i)) & 3; - printf("Bank%u=%sMhz ", i+1, freq[clock]); + printf("Bank%u=%sMhz ", i+1, freq[i][clock]); } puts("\n"); @@ -166,22 +168,25 @@ int misc_init_r(void) u32 actual[NUM_SRDS_BANKS]; unsigned int i; u8 sw; + static const int freq[][3] = { + {0, SRDS_PLLCR0_RFCK_SEL_100, SRDS_PLLCR0_RFCK_SEL_125}, + {SRDS_PLLCR0_RFCK_SEL_100, SRDS_PLLCR0_RFCK_SEL_156_25, + SRDS_PLLCR0_RFCK_SEL_125} + }; sw = in_8(&CPLD_SW(2)) >> 2; for (i = 0; i < NUM_SRDS_BANKS; i++) { unsigned int clock = (sw >> (2 * i)) & 3; - switch (clock) { - case 1: - actual[i] = SRDS_PLLCR0_RFCK_SEL_100; - break; - case 2: - actual[i] = SRDS_PLLCR0_RFCK_SEL_125; - break; - default: + if (clock == 0x3) { printf("Warning: SDREFCLK%u switch setting of '11' is " "unsupported\n", i + 1); break; } + if (i == 0 && clock == 0) + puts("Warning: SDREFCLK1 switch setting of" + "'00' is unsupported\n"); + else + actual[i] = freq[i][clock]; } for (i = 0; i < NUM_SRDS_BANKS; i++) { -- cgit v1.1