Signed-off-by: Larry Johnson lrj@acm.org --- N.B.: This patch depends on my previously-submitted patches for GPIO and Korat.

board/korat/korat.c | 117 +++--------------------------------- include/configs/korat.h | 153 ++++++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 161 insertions(+), 109 deletions(-)

diff --git a/board/korat/korat.c b/board/korat/korat.c index 7cb9ee1..199c1ff 100644 --- a/board/korat/korat.c +++ b/board/korat/korat.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2007 + * (C) Copyright 2007-2008 * Larry Johnson, lrj@acm.org * * (C) Copyright 2006 @@ -26,6 +26,7 @@ */

#include <common.h> +#include <asm/gpio.h> #include <asm/processor.h> #include <asm-ppc/io.h> #include <i2c.h> @@ -40,7 +41,6 @@ ulong flash_get_size(ulong base, int banknum); int board_early_init_f(void) { u32 sdr0_pfc1, sdr0_pfc2; - u32 gpio0_ir; u32 reg; int eth;

@@ -48,102 +48,6 @@ int board_early_init_f(void) mtdcr(ebccfgd, 0xb8400000);

/*-------------------------------------------------------------------- - * Setup the GPIO pins - * - * Korat GPIO usage: - * - * Init. - * Pin Source I/O value Function - * ------ ------ --- ----- --------------------------------- - * GPIO00 Alt1 I/O x PerAddr07 - * GPIO01 Alt1 I/O x PerAddr06 - * GPIO02 Alt1 I/O x PerAddr05 - * GPIO03 GPIO x x GPIO03 to expansion bus connector - * GPIO04 GPIO x x GPIO04 to expansion bus connector - * GPIO05 GPIO x x GPIO05 to expansion bus connector - * GPIO06 Alt1 O x PerCS1 (2nd NOR flash) - * GPIO07 Alt1 O x PerCS2 (CPLD) - * GPIO08 Alt1 O x PerCS3 to expansion bus connector - * GPIO09 Alt1 O x PerCS4 to expansion bus connector - * GPIO10 Alt1 O x PerCS5 to expansion bus connector - * GPIO11 Alt1 I x PerErr - * GPIO12 GPIO O 0 ATMega !Reset - * GPIO13 GPIO O 1 SPI Atmega !SS - * GPIO14 GPIO O 1 Write protect EEPROM #1 (0xA8) - * GPIO15 GPIO O 0 CPU Run LED !On - * GPIO16 Alt1 O x GMC1TxD0 - * GPIO17 Alt1 O x GMC1TxD1 - * GPIO18 Alt1 O x GMC1TxD2 - * GPIO19 Alt1 O x GMC1TxD3 - * GPIO20 Alt1 O x RejectPkt0 - * GPIO21 Alt1 O x RejectPkt1 - * GPIO22 GPIO I x PGOOD_DDR - * GPIO23 Alt1 O x SCPD0 - * GPIO24 Alt1 O x GMC0TxD2 - * GPIO25 Alt1 O x GMC0TxD3 - * GPIO26 GPIO? I/O x IIC0SDA (selected in SDR0_PFC4) - * GPIO27 GPIO O 0 PHY #0 1000BASE-X - * GPIO28 GPIO O 0 PHY #1 1000BASE-X - * GPIO29 GPIO I x Test jumper !Present - * GPIO30 GPIO I x SFP module #0 !Present - * GPIO31 GPIO I x SFP module #1 !Present - * - * GPIO32 GPIO O 1 SFP module #0 Tx !Enable - * GPIO33 GPIO O 1 SFP module #1 Tx !Enable - * GPIO34 Alt2 I x !UART1_CTS - * GPIO35 Alt2 O x !UART1_RTS - * GPIO36 Alt1 I x !UART0_CTS - * GPIO37 Alt1 O x !UART0_RTS - * GPIO38 Alt2 O x UART1_Tx - * GPIO39 Alt2 I x UART1_Rx - * GPIO40 Alt1 I x IRQ0 (Ethernet 0) - * GPIO41 Alt1 I x IRQ1 (Ethernet 1) - * GPIO42 Alt1 I x IRQ2 (PCI interrupt) - * GPIO43 Alt1 I x IRQ3 (System Alert from CPLD) - * GPIO44 xxxx x x (grounded through pulldown) - * GPIO45 GPIO O 0 PHY #0 Enable - * GPIO46 GPIO O 0 PHY #1 Enable - * GPIO47 GPIO I x Reset switch !Pressed - * GPIO48 GPIO I x Shutdown switch !Pressed - * GPIO49 xxxx x x (reserved for trace port) - * . . . . . - * . . . . . - * . . . . . - * GPIO63 xxxx x x (reserved for trace port) - *-------------------------------------------------------------------*/ - - out_be32((u32 *) GPIO0_OR, 0x00060000); - out_be32((u32 *) GPIO1_OR, 0xC0000000); - - out_be32((u32 *) GPIO0_OSRL, 0x54055400); - out_be32((u32 *) GPIO0_OSRH, 0x55015000); - out_be32((u32 *) GPIO1_OSRL, 0x02180000); - out_be32((u32 *) GPIO1_OSRH, 0x00000000); - - out_be32((u32 *) GPIO0_TSRL, 0x54055500); - out_be32((u32 *) GPIO0_TSRH, 0x00015000); - out_be32((u32 *) GPIO1_TSRL, 0x00000000); - out_be32((u32 *) GPIO1_TSRH, 0x00000000); - - out_be32((u32 *) GPIO0_TCR, 0x000FF0D8); - out_be32((u32 *) GPIO1_TCR, 0xD6060000); - - out_be32((u32 *) GPIO0_ISR1L, 0x54000100); - out_be32((u32 *) GPIO0_ISR1H, 0x00500000); - out_be32((u32 *) GPIO1_ISR1L, 0x00405500); - out_be32((u32 *) GPIO1_ISR1H, 0x00000000); - - out_be32((u32 *) GPIO0_ISR2L, 0x00000000); - out_be32((u32 *) GPIO0_ISR2H, 0x00000000); - out_be32((u32 *) GPIO1_ISR2L, 0x04010000); - out_be32((u32 *) GPIO1_ISR2H, 0x00000000); - - out_be32((u32 *) GPIO0_ISR3L, 0x00000000); - out_be32((u32 *) GPIO0_ISR3H, 0x00000000); - out_be32((u32 *) GPIO1_ISR3L, 0x00000000); - out_be32((u32 *) GPIO1_ISR3H, 0x00000000); - - /*-------------------------------------------------------------------- * Setup the interrupt controller polarities, triggers, etc. *-------------------------------------------------------------------*/ mtdcr(uic0sr, 0xffffffff); /* clear all */ @@ -176,9 +80,8 @@ int board_early_init_f(void) /* Configure the two Ethernet PHYs. For each PHY, configure for fiber * if the SFP module is present, and for copper if it is not present. */ - gpio0_ir = in_be32((u32 *) GPIO0_IR); for (eth = 0; eth < 2; ++eth) { - if (gpio0_ir & (0x00000001 << (1 - eth))) { + if (gpio_read_in_bit(CFG_GPIO_SFP0_PRESENT_ + eth)) { /* SFP module not present: configure PHY for copper. */ /* Set PHY to autonegotate 10 MB, 100MB, or 1 GB */ out_8((u8 *) CFG_CPLD_BASE + 0x06, @@ -187,14 +90,13 @@ int board_early_init_f(void) } else { /* SFP module present: configure PHY for fiber and enable output */ - out_be32((u32 *) GPIO0_OR, in_be32((u32 *) GPIO0_OR) | - (0x00000001 << (4 - eth))); - out_be32((u32 *) GPIO1_OR, in_be32((u32 *) GPIO1_OR) & - ~(0x00000001 << (31 - eth))); + gpio_write_bit(CFG_GPIO_PHY0_FIBER_SEL + eth, 1); + gpio_write_bit(CFG_GPIO_SFP0_TX_EN_ + eth, 0); } } /* enable Ethernet: set GPIO45 and GPIO46 to 1 */ - out_be32((u32 *) GPIO1_OR, in_be32((u32 *) GPIO1_OR) | 0x00060000); + gpio_write_bit(CFG_GPIO_PHY0_EN, 1); + gpio_write_bit(CFG_GPIO_PHY1_EN, 1);

/* select Ethernet pins */ mfsdr(SDR0_PFC1, sdr0_pfc1); @@ -525,20 +427,19 @@ int checkboard(void) { char const *const s = getenv("serial#"); u8 const rev = in_8((u8 *) CFG_CPLD_BASE + 0); - u32 const gpio0_or = in_be32((u32 *) GPIO0_OR);

printf("Board: Korat, Rev. %X", rev); if (s != NULL) printf(", serial# %s", s);

printf(", Ethernet PHY 0: "); - if (gpio0_or & 0x00000010) + if (gpio_read_out_bit(CFG_GPIO_PHY0_FIBER_SEL)) printf("fiber"); else printf("copper");

printf(", PHY 1: "); - if (gpio0_or & 0x00000008) + if (gpio_read_out_bit(CFG_GPIO_PHY1_FIBER_SEL)) printf("fiber"); else printf("copper"); diff --git a/include/configs/korat.h b/include/configs/korat.h index 50bde96..5182972 100644 --- a/include/configs/korat.h +++ b/include/configs/korat.h @@ -1,5 +1,5 @@ /* - * (C) Copyright 2007 + * (C) Copyright 2007-2008 * Larry Johnson, lrj@acm.org * * (C) Copyright 2006-2007 @@ -360,6 +360,157 @@ #define CFG_EBC_PB2AP 0x04017300 #define CFG_EBC_PB2CR (CFG_CPLD_BASE | 0x00038000)

+/*----------------------------------------------------------------------- + * GPIO Setup + * + * Korat GPIO usage: + * + * Init. + * Pin Source I/O value Function + * ------ ------ --- ----- --------------------------------- + * GPIO00 Alt1 I/O x PerAddr07 + * GPIO01 Alt1 I/O x PerAddr06 + * GPIO02 Alt1 I/O x PerAddr05 + * GPIO03 GPIO x x GPIO03 to expansion bus connector + * GPIO04 GPIO x x GPIO04 to expansion bus connector + * GPIO05 GPIO x x GPIO05 to expansion bus connector + * GPIO06 Alt1 O x PerCS1 (2nd NOR flash) + * GPIO07 Alt1 O x PerCS2 (CPLD) + * GPIO08 Alt1 O x PerCS3 to expansion bus connector + * GPIO09 Alt1 O x PerCS4 to expansion bus connector + * GPIO10 Alt1 O x PerCS5 to expansion bus connector + * GPIO11 Alt1 I x PerErr + * GPIO12 GPIO O 0 ATMega !Reset + * GPIO13 GPIO O 1 SPI Atmega !SS + * GPIO14 GPIO O 1 Write protect EEPROM #1 (0xA8) + * GPIO15 GPIO O 0 CPU Run LED !On + * GPIO16 Alt1 O x GMC1TxD0 + * GPIO17 Alt1 O x GMC1TxD1 + * GPIO18 Alt1 O x GMC1TxD2 + * GPIO19 Alt1 O x GMC1TxD3 + * GPIO20 Alt1 I x RejectPkt0 + * GPIO21 Alt1 I x RejectPkt1 + * GPIO22 GPIO I x PGOOD_DDR + * GPIO23 Alt1 O x SCPD0 + * GPIO24 Alt1 O x GMC0TxD2 + * GPIO25 Alt1 O x GMC0TxD3 + * GPIO26 GPIO? I/O x IIC0SDA (selected in SDR0_PFC4) + * GPIO27 GPIO O 0 PHY #0 1000BASE-X select + * GPIO28 GPIO O 0 PHY #1 1000BASE-X select + * GPIO29 GPIO I x Test jumper !Present + * GPIO30 GPIO I x SFP module #0 !Present + * GPIO31 GPIO I x SFP module #1 !Present + * + * GPIO32 GPIO O 1 SFP module #0 Tx !Enable + * GPIO33 GPIO O 1 SFP module #1 Tx !Enable + * GPIO34 Alt2 I x !UART1_CTS + * GPIO35 Alt2 O x !UART1_RTS + * GPIO36 Alt1 I x !UART0_CTS + * GPIO37 Alt1 O x !UART0_RTS + * GPIO38 Alt2 O x UART1_Tx + * GPIO39 Alt2 I x UART1_Rx + * GPIO40 Alt1 I x IRQ0 (Ethernet 0) + * GPIO41 Alt1 I x IRQ1 (Ethernet 1) + * GPIO42 Alt1 I x IRQ2 (PCI interrupt) + * GPIO43 Alt1 I x IRQ3 (System Alert from CPLD) + * GPIO44 xxxx x x (grounded through pulldown) + * GPIO45 GPIO O 0 PHY #0 Enable + * GPIO46 GPIO O 0 PHY #1 Enable + * GPIO47 GPIO I x Reset switch !Pressed + * GPIO48 GPIO I x Shutdown switch !Pressed + * GPIO49 xxxx x x (reserved for trace port) + * . . . . . + * . . . . . + * . . . . . + * GPIO63 xxxx x x (reserved for trace port) +*----------------------------------------------------------------------*/ + +#define CFG_GPIO_ATMEGA_SS_ 13 +#define CFG_GPIO_PHY0_FIBER_SEL 27 +#define CFG_GPIO_PHY1_FIBER_SEL 28 +#define CFG_GPIO_SFP0_PRESENT_ 30 +#define CFG_GPIO_SFP1_PRESENT_ 31 +#define CFG_GPIO_SFP0_TX_EN_ 32 +#define CFG_GPIO_SFP1_TX_EN_ 33 +#define CFG_GPIO_PHY0_EN 45 +#define CFG_GPIO_PHY1_EN 46 + +/*----------------------------------------------------------------------- + * PPC440 GPIO Configuration + */ +#define CFG_4xx_GPIO_TABLE { /* Out GPIO Alternate1 Alternate2 Alternate3 */ \ +{ \ +/* GPIO Core 0 */ \ +{GPIO0_BASE, GPIO_BI , GPIO_ALT1, GPIO_OUT_0}, /* GPIO0 EBC_ADDR(7) DMA_REQ(2) */ \ +{GPIO0_BASE, GPIO_BI , GPIO_ALT1, GPIO_OUT_0}, /* GPIO1 EBC_ADDR(6) DMA_ACK(2) */ \ +{GPIO0_BASE, GPIO_BI , GPIO_ALT1, GPIO_OUT_0}, /* GPIO2 EBC_ADDR(5) DMA_EOT/TC(2) */ \ +{GPIO0_BASE, GPIO_DIS, GPIO_SEL , GPIO_OUT_0}, /* GPIO3 EBC_ADDR(4) DMA_REQ(3) */ \ +{GPIO0_BASE, GPIO_DIS, GPIO_SEL , GPIO_OUT_0}, /* GPIO4 EBC_ADDR(3) DMA_ACK(3) */ \ +{GPIO0_BASE, GPIO_DIS, GPIO_SEL , GPIO_OUT_0}, /* GPIO5 EBC_ADDR(2) DMA_EOT/TC(3) */ \ +{GPIO0_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_0}, /* GPIO6 EBC_CS_N(1) */ \ +{GPIO0_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_0}, /* GPIO7 EBC_CS_N(2) */ \ +{GPIO0_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_0}, /* GPIO8 EBC_CS_N(3) */ \ +{GPIO0_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_0}, /* GPIO9 EBC_CS_N(4) */ \ +{GPIO0_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_0}, /* GPIO10 EBC_CS_N(5) */ \ +{GPIO0_BASE, GPIO_IN , GPIO_ALT1, GPIO_OUT_0}, /* GPIO11 EBC_BUS_ERR */ \ +{GPIO0_BASE, GPIO_OUT, GPIO_SEL , GPIO_OUT_0}, /* GPIO12 */ \ +{GPIO0_BASE, GPIO_OUT, GPIO_SEL , GPIO_OUT_1}, /* GPIO13 */ \ +{GPIO0_BASE, GPIO_OUT, GPIO_SEL , GPIO_OUT_1}, /* GPIO14 */ \ +{GPIO0_BASE, GPIO_OUT, GPIO_SEL , GPIO_OUT_0}, /* GPIO15 */ \ +{GPIO0_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1}, /* GPIO16 GMCTxD(4) */ \ +{GPIO0_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1}, /* GPIO17 GMCTxD(5) */ \ +{GPIO0_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1}, /* GPIO18 GMCTxD(6) */ \ +{GPIO0_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1}, /* GPIO19 GMCTxD(7) */ \ +{GPIO0_BASE, GPIO_IN , GPIO_ALT1, GPIO_OUT_0}, /* GPIO20 RejectPkt0 */ \ +{GPIO0_BASE, GPIO_IN , GPIO_ALT1, GPIO_OUT_0}, /* GPIO21 RejectPkt1 */ \ +{GPIO0_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO22 */ \ +{GPIO0_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_0}, /* GPIO23 SCPD0 */ \ +{GPIO0_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1}, /* GPIO24 GMCTxD(2) */ \ +{GPIO0_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1}, /* GPIO25 GMCTxD(3) */ \ +{GPIO0_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO26 */ \ +{GPIO0_BASE, GPIO_OUT, GPIO_SEL , GPIO_OUT_0}, /* GPIO27 EXT_EBC_REQ USB2D_RXERROR */ \ +{GPIO0_BASE, GPIO_OUT, GPIO_SEL , GPIO_OUT_0}, /* GPIO28 USB2D_TXVALID */ \ +{GPIO0_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO29 EBC_EXT_HDLA USB2D_PAD_SUSPNDM */ \ +{GPIO0_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO30 EBC_EXT_ACK USB2D_XCVRSELECT*/ \ +{GPIO0_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO31 EBC_EXR_BUSREQ USB2D_TERMSELECT*/ \ +}, \ +{ \ +/* GPIO Core 1 */ \ +{GPIO1_BASE, GPIO_OUT, GPIO_SEL , GPIO_OUT_1}, /* GPIO32 USB2D_OPMODE0 EBC_DATA(2) */ \ +{GPIO1_BASE, GPIO_OUT, GPIO_SEL , GPIO_OUT_1}, /* GPIO33 USB2D_OPMODE1 EBC_DATA(3) */ \ +{GPIO1_BASE, GPIO_IN , GPIO_ALT2, GPIO_OUT_0}, /* GPIO34 UART0_DCD_N UART1_DSR_CTS_N UART2_SOUT*/ \ +{GPIO1_BASE, GPIO_OUT, GPIO_ALT2, GPIO_OUT_1}, /* GPIO35 UART0_8PIN_DSR_N UART1_RTS_DTR_N UART2_SIN*/ \ +{GPIO1_BASE, GPIO_IN , GPIO_ALT1, GPIO_OUT_0}, /* GPIO36 UART0_8PIN_CTS_N EBC_DATA(0) UART3_SIN*/ \ +{GPIO1_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1}, /* GPIO37 UART0_RTS_N EBC_DATA(1) UART3_SOUT*/ \ +{GPIO1_BASE, GPIO_OUT, GPIO_ALT2, GPIO_OUT_1}, /* GPIO38 UART0_DTR_N UART1_SOUT */ \ +{GPIO1_BASE, GPIO_IN , GPIO_ALT2, GPIO_OUT_0}, /* GPIO39 UART0_RI_N UART1_SIN */ \ +{GPIO1_BASE, GPIO_IN , GPIO_ALT1, GPIO_OUT_0}, /* GPIO40 UIC_IRQ(0) */ \ +{GPIO1_BASE, GPIO_IN , GPIO_ALT1, GPIO_OUT_0}, /* GPIO41 UIC_IRQ(1) */ \ +{GPIO1_BASE, GPIO_IN , GPIO_ALT1, GPIO_OUT_0}, /* GPIO42 UIC_IRQ(2) */ \ +{GPIO1_BASE, GPIO_IN , GPIO_ALT1, GPIO_OUT_0}, /* GPIO43 UIC_IRQ(3) */ \ +{GPIO1_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO44 UIC_IRQ(4) DMA_ACK(1) */ \ +{GPIO1_BASE, GPIO_OUT, GPIO_SEL , GPIO_OUT_0}, /* GPIO45 UIC_IRQ(6) DMA_EOT/TC(1) */ \ +{GPIO1_BASE, GPIO_OUT, GPIO_SEL , GPIO_OUT_0}, /* GPIO46 UIC_IRQ(7) DMA_REQ(0) */ \ +{GPIO1_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO47 UIC_IRQ(8) DMA_ACK(0) */ \ +{GPIO1_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO48 UIC_IRQ(9) DMA_EOT/TC(0) */ \ +{GPIO1_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO49 Unselect via TraceSelect Bit */ \ +{GPIO1_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO50 Unselect via TraceSelect Bit */ \ +{GPIO1_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO51 Unselect via TraceSelect Bit */ \ +{GPIO1_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO52 Unselect via TraceSelect Bit */ \ +{GPIO1_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO53 Unselect via TraceSelect Bit */ \ +{GPIO1_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO54 Unselect via TraceSelect Bit */ \ +{GPIO1_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO55 Unselect via TraceSelect Bit */ \ +{GPIO1_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO56 Unselect via TraceSelect Bit */ \ +{GPIO1_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO57 Unselect via TraceSelect Bit */ \ +{GPIO1_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO58 Unselect via TraceSelect Bit */ \ +{GPIO1_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO59 Unselect via TraceSelect Bit */ \ +{GPIO1_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO60 Unselect via TraceSelect Bit */ \ +{GPIO1_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO61 Unselect via TraceSelect Bit */ \ +{GPIO1_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO62 Unselect via TraceSelect Bit */ \ +{GPIO1_BASE, GPIO_IN , GPIO_SEL , GPIO_OUT_0}, /* GPIO63 Unselect via TraceSelect Bit */ \ +} \ +} + /* * Internal Definitions *