Re: [U-Boot] [PATCH 2/5] powerpc/85xx: Read board switch settings on p1_p2_rdb
On Mar 6, 2011, at 10:17 PM, Kumar Gala wrote: From: Priyanka Jain priyanka.j...@freescale.com PCA9557 is parallel I/O expansion device on I2C bus which stores various board switch settings like NOR Flash-Bank selection, SD Data width. On board: switch SW5[6] is to select width for eSDHC ON - 4-bit [Enable eSPI] OFF - 8-bit [Disable eSPI] switch SW4[8] is to select NOR Flash Bank for Booting OFF - Primary Bank ON - Secondary Bank Read board switch settings on p1_p2_rdb and configure corresponding eSDHC width. Signed-off-by: Priyanka Jain priyanka.j...@freescale.com Signed-off-by: Dipen Dudhat dipen.dud...@freescale.com Signed-off-by: Kumar Gala ga...@kernel.crashing.org --- board/freescale/p1_p2_rdb/p1_p2_rdb.c | 25 + include/configs/P1_P2_RDB.h |2 ++ 2 files changed, 27 insertions(+), 0 deletions(-) applied to 85xx next - k ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] [PATCH 2/5] powerpc/85xx: Read board switch settings on p1_p2_rdb
On Mar 9, 2011, at 12:38 AM, McClintock Matthew-B29882 wrote: On Sun, Mar 6, 2011 at 10:17 PM, Kumar Gala ga...@kernel.crashing.org wrote: + if (i2c_data 0x1) { + setbits_be32(gur-pmuxcr, MPC85xx_PMUXCR_SD_DATA); + puts(SD/MMC : 8-bit Mode\n); + puts(eSPI : Disabled\n); + } else { + puts(SD/MMC : 4-bit Mode\n); + puts(eSPI : Enabled\n); I think this bit is actually important for the p1_p2_rdb_pc boards also? Is this handled by the CPLD somehow or do we need to do the same thing? 'IO0 - read-only CFG_SDWIDTH SW2[1]. the setting of pmuxcr? SW has to do that. - k ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] [PATCH 2/5] powerpc/85xx: Read board switch settings on p1_p2_rdb
On Wed, Mar 9, 2011 at 9:36 AM, Kumar Gala ga...@kernel.crashing.org wrote: the setting of pmuxcr? SW has to do that. But we don't do this based off the switch value currently on p1_p2_rdb_pc boards. -M ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] [PATCH 2/5] powerpc/85xx: Read board switch settings on p1_p2_rdb
On Sun, Mar 6, 2011 at 10:17 PM, Kumar Gala ga...@kernel.crashing.org wrote: + if (i2c_data 0x1) { + setbits_be32(gur-pmuxcr, MPC85xx_PMUXCR_SD_DATA); + puts(SD/MMC : 8-bit Mode\n); + puts(eSPI : Disabled\n); + } else { + puts(SD/MMC : 4-bit Mode\n); + puts(eSPI : Enabled\n); I think this bit is actually important for the p1_p2_rdb_pc boards also? Is this handled by the CPLD somehow or do we need to do the same thing? 'IO0 - read-only CFG_SDWIDTH SW2[1]. -M ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
[U-Boot] [PATCH 2/5] powerpc/85xx: Read board switch settings on p1_p2_rdb
From: Priyanka Jain priyanka.j...@freescale.com PCA9557 is parallel I/O expansion device on I2C bus which stores various board switch settings like NOR Flash-Bank selection, SD Data width. On board: switch SW5[6] is to select width for eSDHC ON - 4-bit [Enable eSPI] OFF - 8-bit [Disable eSPI] switch SW4[8] is to select NOR Flash Bank for Booting OFF - Primary Bank ON - Secondary Bank Read board switch settings on p1_p2_rdb and configure corresponding eSDHC width. Signed-off-by: Priyanka Jain priyanka.j...@freescale.com Signed-off-by: Dipen Dudhat dipen.dud...@freescale.com Signed-off-by: Kumar Gala ga...@kernel.crashing.org --- board/freescale/p1_p2_rdb/p1_p2_rdb.c | 25 + include/configs/P1_P2_RDB.h |2 ++ 2 files changed, 27 insertions(+), 0 deletions(-) diff --git a/board/freescale/p1_p2_rdb/p1_p2_rdb.c b/board/freescale/p1_p2_rdb/p1_p2_rdb.c index 806d90e..9f57a21 100644 --- a/board/freescale/p1_p2_rdb/p1_p2_rdb.c +++ b/board/freescale/p1_p2_rdb/p1_p2_rdb.c @@ -35,6 +35,7 @@ #include vsc7385.h #include netdev.h #include rtc.h +#include i2c.h DECLARE_GLOBAL_DATA_PTR; @@ -142,6 +143,30 @@ int board_early_init_r(void) { const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; const u8 flash_esel = find_tlb_idx((void *)flashbase, 1); + volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + unsigned int orig_bus = i2c_get_bus_num(); + u8 i2c_data; + + i2c_set_bus_num(1); + if (i2c_read(CONFIG_SYS_I2C_PCA9557_ADDR, 0, + 1, i2c_data, sizeof(i2c_data)) == 0) { + if (i2c_data 0x2) + puts(NOR Flash Bank : Secondary\n); + else + puts(NOR Flash Bank : Primary\n); + + if (i2c_data 0x1) { + setbits_be32(gur-pmuxcr, MPC85xx_PMUXCR_SD_DATA); + puts(SD/MMC : 8-bit Mode\n); + puts(eSPI : Disabled\n); + } else { + puts(SD/MMC : 4-bit Mode\n); + puts(eSPI : Enabled\n); + } + } else { + puts(Failed reading I2C Chip 0x18 on bus 1\n); + } + i2c_set_bus_num(orig_bus); /* * Remap Boot flash region to caching-inhibited diff --git a/include/configs/P1_P2_RDB.h b/include/configs/P1_P2_RDB.h index 23b8afa..d601fcd 100644 --- a/include/configs/P1_P2_RDB.h +++ b/include/configs/P1_P2_RDB.h @@ -362,6 +362,8 @@ extern unsigned long get_board_sys_clk(unsigned long dummy); #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 #define CONFIG_SYS_EEPROM_BUS_NUM 1 +#define CONFIG_SYS_I2C_PCA9557_ADDR0x18 + #define CONFIG_RTC_DS1337 #define CONFIG_SYS_RTC_DS1337_NOOSC #define CONFIG_SYS_I2C_RTC_ADDR0x68 -- 1.7.2.3 ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot