[U-Boot] [PATCH v3 3/7] [REPOST] add Multi Function Pin configuration support for ARMADA100

Lei Wen adrian.wenl at gmail.com
Thu Dec 2 12:18:57 CET 2010


Hi Prafulla,

On Thu, Dec 2, 2010 at 11:11 PM, Prafulla Wadaskar <prafulla at marvell.com> wrote:
> This patch adds the support MFP support for Marvell ARMADA100 SoCs
>
> Signed-off-by: Prafulla Wadaskar <prafulla at marvell.com>
> ---
> Change log v3 REPOST:
> macro MFPR_PTR_UPDATE added
>
>  arch/arm/include/asm/arch-armada100/mfp.h |  231 +++++++++++++++++++++++++++++
>  1 files changed, 231 insertions(+), 0 deletions(-)
>  create mode 100755 arch/arm/include/asm/arch-armada100/mfp.h
>
> diff --git a/arch/arm/include/asm/arch-armada100/mfp.h b/arch/arm/include/asm/arch-armada100/mfp.h
> new file mode 100755
> index 0000000..f77055c
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-armada100/mfp.h
> @@ -0,0 +1,231 @@
> +/*
> + * Based on linux/arch/arm/mach-mpp/include/mfp-pxa168.h
> + * (C) Copyright 2007
> + * Marvell Semiconductor <www.marvell.com>
> + * 2007-08-21: eric miao <eric.miao at marvell.com>
> + *
> + * (C) Copyright 2010
> + * Marvell Semiconductor <www.marvell.com>
> + * Written-by: Prafulla Wadaskar <prafulla at marvell.com>
> + * Contributor: Mahavir Jain <mjain at marvell.com>
> + *
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
> + * MA 02110-1301 USA
> + */
> +
> +#ifndef __ARMADA100_MFP_H
> +#define __ARMADA100_MFP_H
> +
> +/*
> + * On ARMADA100, (Ref: Specs: A1.1)
> + * the offset address are divided in three regions and are not
> + * consecutive, this macro updates the same
> + */
> +#define MFPR_PTR_UPDATE(ptr, no)                       \
> +               if (no < 37)                            \
> +                       ptr += (0x004c / 4) + no;       \
> +               else if ( no >= 56)                     \
> +                       ptr += (0x00e0 / 4) + (no - 56);\
> +               else                                    \
> +                       ptr += (no - 37);
> +
> +/* By default Pin Drive is set to medium */
> +#define MFPD(x)                        MFP(x) | MFP_DRIVE(MEDIUM)
> +
> +/* GPIOs */
> +#define        GPIOAF(x)               (if (x <= 15) ? 5 :     \
> +                                if (x == 16) ? 0 :     \
> +                                if (x == 17) ? 5 :     \
> +                                if (x == 18) ? 0 :     \
> +                                if (x == 19) ? 5 :     \
> +                                if (x == 20) ? 0 :     \
> +                                if (x <= 25) ? 5 :     \
> +                                if (x == 26) ? 0 :     \
> +                                if (x == 33) ? 5 : 0)
> +
> +#define MFP_GPIO(x)            MFPD(x) | MFP_AF(GPIOAF(x))
> +

Do we really need this? I think the better way to configure GPIO MFP
is doing like below.
That is create each GPIO name, and define its MFPD and MFP_AF.

> +/* UART2 */
> +#define MFP47_UART2_RXD                MFPD(47) | MFP_AF(6)
> +#define MFP48_UART2_TXD                MFPD(48) | MFP_AF(6)
> +#define MFP88_UART2_RXD                MFPD(88) | MFP_AF(2)
> +#define MFP89_UART2_TXD                MFPD(89) | MFP_AF(2)
> +
> +/* UART3 */
> +#define  GPIO8_UART3_RXD       MFPD(8) | MFP_AF(2)
> +#define  GPIO9_UART3_TXD       MFPD(9) | MFP_AF(2)
> +
> +/* MFU */
> +#define MFP86_TX_CLK           MFPD(86) | MFP_AF(5)
> +#define MFP87_TX_EN            MFPD(87) | MFP_AF(5)
> +#define MFP88_TX_DQ3           MFPD(88) | MFP_AF(5)
> +#define MFP89_TX_DQ2           MFPD(89) | MFP_AF(5)
> +#define MFP90_TX_DQ1           MFPD(90) | MFP_AF(5)
> +#define MFP91_TX_DQ0           MFPD(91) | MFP_AF(5)
> +#define MFP92_MII_CRS          MFPD(92) | MFP_AF(5)
> +#define MFP93_MII_COL          MFPD(93) | MFP_AF(5)
> +#define MFP94_RX_CLK           MFPD(94) | MFP_AF(5)
> +#define MFP95_RX_ER            MFPD(95) | MFP_AF(5)
> +#define MFP96_RX_DQ3           MFPD(96) | MFP_AF(5)
> +#define MFP97_RX_DQ2           MFPD(97) | MFP_AF(5)
> +#define MFP98_RX_DQ1           MFPD(98) | MFP_AF(5)
> +#define MFP99_RX_DQ0           MFPD(99) | MFP_AF(5)
> +#define MFP100_MII_MDC         MFPD(100) | MFP_AF(5)
> +#define MFP101_MII_MDIO                MFPD(101) | MFP_AF(5)
> +#define MFP103_RX_DV           MFPD(103) | MFP_AF(5)
> +
> +/* SSP2*/
> +#define MFP107_SPI_NOR_RXD     MFPD(107) | MFP_AF(4)
> +#define MFP108_SPI_NOR_TXD     MFPD(108) | MFP_AF(4)
> +#define MFP109_SPI_NOR_SYSCLK  MFPD(109) | MFP_AF(4)
> +#define MFP111_SPI_NOR_CLK     MFPD(111) | MFP_AF(4)
> +
> +/* DFI */
> +#define MFP0_DFI_D15           MFPD(0) | MFP_AF(0)
> +#define MFP1_DFI_D14           MFPD(1) | MFP_AF(0)
> +#define MFP2_DFI_D13           MFPD(2) | MFP_AF(0)
> +#define MFP3_DFI_D12           MFPD(3) | MFP_AF(0)
> +#define MFP4_DFI_D11           MFPD(4) | MFP_AF(0)
> +#define MFP5_DFI_D10           MFPD(5) | MFP_AF(0)
> +#define MFP6_DFI_D9            MFPD(6) | MFP_AF(0)
> +#define MFP7_DFI_D8            MFPD(7) | MFP_AF(0)
> +#define MFP8_DFI_D7            MFPD(8) | MFP_AF(0)
> +#define MFP9_DFI_D6            MFPD(9) | MFP_AF(0)
> +#define MFP10_DFI_D5           MFPD(10) | MFP_AF(0)
> +#define MFP11_DFI_D4           MFPD(11) | MFP_AF(0)
> +#define MFP12_DFI_D3           MFPD(12) | MFP_AF(0)
> +#define MFP13_DFI_D2           MFPD(13) | MFP_AF(0)
> +#define MFP14_DFI_D1           MFPD(14) | MFP_AF(0)
> +#define MFP15_DFI_D0           MFPD(15) | MFP_AF(0)
> +
> +#define MFP30_DFI_ADDR0                MFPD(30) | MFP_AF(0)
> +#define MFP31_DFI_ADDR1                MFPD(31) | MFP_AF(0)
> +#define MFP32_DFI_ADDR2                MFPD(32) | MFP_AF(0)
> +#define MFP33_DFI_ADDR3                MFPD(33) | MFP_AF(0)
> +
> +/* NAND */
> +#define MFP16_ND_nCS0          MFPD(16) | MFP_AF(1)
> +#define MFP17_ND_nWE           MFPD(17) | MFP_AF(0)
> +#define MFP21_ND_ALE           MFPD(21) | MFP_AF(0)
> +#define MFP22_ND_CLE           MFPD(22) | MFP_AF(0)
> +#define MFP24_ND_nRE           MFPD(24) | MFP_AF(0)
> +#define MFP26_ND_RnB1          MFPD(26) | MFP_AF(1)
> +#define MFP27_ND_RnB2          MFPD(27) | MFP_AF(1)
> +
> +/* Static Memory Controller */
> +#define MFP18_SMC_nCS0         MFPD(18) | MFP_AF(3)
> +#define MFP18_SMC_nCS1         MFPD(18) | MFP_AF(2)
> +#define MFP16_SMC_nCS0         MFPD(16) | MFP_AF(2)
> +#define MFP16_SMC_nCS1         MFPD(16) | MFP_AF(3)
> +#define MFP19_SMC_nCS0         MFPD(19) | MFP_AF(0)
> +#define MFP20_SMC_nCS1         MFPD(20) | MFP_AF(2)
> +#define MFP23_SMC_nLUA         MFPD(23) | MFP_AF(0)
> +#define MFP25_SMC_nLLA         MFPD(25) | MFP_AF(0)
> +#define MFP27_SMC_IRQ          MFPD(27) | MFP_AF(0)
> +#define MFP28_SMC_RDY          MFPD(28) | MFP_AF(0)
> +#define MFP29_SMC_SCLK         MFPD(29) | MFP_AF(0)
> +#define MFP34_SMC_nCS1         MFPD(34) | MFP_AF(2)
> +#define MFP35_SMC_BE1          MFPD(35) | MFP_AF(2)
> +#define MFP36_SMC_BE2          MFPD(36) | MFP_AF(2)
> +
> +/* Compact Flash */
> +#define MFP19_CF_nCE1          MFPD(19) | MFP_AF(3)
> +#define MFP20_CF_nCE2          MFPD(20) | MFP_AF(3)
> +#define MFP23_CF_nALE          MFPD(23) | MFP_AF(3)
> +#define MFP25_CF_nRESET                MFPD(25) | MFP_AF(3)
> +#define MFP28_CF_RDY           MFPD(28) | MFP_AF(3)
> +#define MFP29_CF_STSCH         MFPD(29) | MFP_AF(3)
> +#define MFP30_CF_nREG          MFPD(30) | MFP_AF(3)
> +#define MFP31_CF_nIOIS16       MFPD(31) | MFP_AF(3)
> +#define MFP32_CF_nCD1          MFPD(32) | MFP_AF(3)
> +#define MFP33_CF_nCD2          MFPD(33) | MFP_AF(3)
> +
> +/* UART1 */
> +#define MFP107_UART1_TXD       MFP(107) | MFP_AF(1) | MFP_DRIVE(FAST)
> +#define MFP107_UART1_RXD       MFP(107) | MFP_AF(2) | MFP_DRIVE(FAST)
> +#define MFP108_UART1_RXD       MFP(108) | MFP_AF(1) | MFP_DRIVE(FAST)
> +#define MFP108_UART1_TXD       MFP(108) | MFP_AF(2) | MFP_DRIVE(FAST)
> +#define MFP109_UART1_CTS       MFPD(109) | MFP_AF(1)
> +#define MFP109_UART1_RTS       MFPD(109) | MFP_AF(2)
> +#define MFP110_UART1_RTS       MFPD(110) | MFP_AF(1)
> +#define MFP110_UART1_CTS       MFPD(110) | MFP_AF(2)
> +#define MFP111_UART1_RI                MFPD(111) | MFP_AF(1)
> +#define MFP111_UART1_DSR       MFPD(111) | MFP_AF(2)
> +#define MFP112_UART1_DTR       MFPD(111) | MFP_AF(1)
> +#define MFP112_UART1_DCD       MFPD(112) | MFP_AF(2)
> +
> +/* MMC1 */
> +#define MFP37_MMC1_DAT7                MFPD(37) | MFP_AF(1)
> +#define MFP38_MMC1_DAT6                MFPD(38) | MFP_AF(1)
> +#define MFP54_MMC1_DAT5                MFPD(54) | MFP_AF(1)
> +#define MFP48_MMC1_DAT4                MFPD(48) | MFP_AF(1)
> +#define MFP51_MMC1_DAT3                MFPD(51) | MFP_AF(1)
> +#define MFP52_MMC1_DAT2                MFPD(52) | MFP_AF(1)
> +#define MFP40_MMC1_DAT1                MFPD(40) | MFP_AF(1)
> +#define MFP41_MMC1_DAT0                MFPD(41) | MFP_AF(1)
> +#define MFP49_MMC1_CMD         MFPD(49) | MFP_AF(1)
> +#define MFP43_MMC1_CLK         MFPD(43) | MFP_AF(1)
> +#define MFP53_MMC1_CD          MFPD(53) | MFP_AF(1)
> +#define MFP46_MMC1_WP          MFPD(46) | MFP_AF(1)
> +
> +/* LCD */
> +#define MFP84_LCD_CS           MFPD(84) | MFP_AF(1)
> +#define MFP60_LCD_DD0          MFPD(60) | MFP_AF(1)
> +#define MFP61_LCD_DD1          MFPD(61) | MFP_AF(1)
> +#define MFP70_LCD_DD10         MFPD(70) | MFP_AF(1)
> +#define MFP71_LCD_DD11         MFPD(71) | MFP_AF(1)
> +#define MFP72_LCD_DD12         MFPD(72) | MFP_AF(1)
> +#define MFP73_LCD_DD13         MFPD(73) | MFP_AF(1)
> +#define MFP74_LCD_DD14         MFPD(74) | MFP_AF(1)
> +#define MFP75_LCD_DD15         MFPD(75) | MFP_AF(1)
> +#define MFP76_LCD_DD16         MFPD(76) | MFP_AF(1)
> +#define MFP77_LCD_DD17         MFPD(77) | MFP_AF(1)
> +#define MFP78_LCD_DD18         MFPD(78) | MFP_AF(1)
> +#define MFP79_LCD_DD19         MFPD(79) | MFP_AF(1)
> +#define MFP62_LCD_DD2          MFPD(62) | MFP_AF(1)
> +#define MFP80_LCD_DD20         MFPD(80) | MFP_AF(1)
> +#define MFP81_LCD_DD21         MFPD(81) | MFP_AF(1)
> +#define MFP82_LCD_DD22         MFPD(82) | MFP_AF(1)
> +#define MFP83_LCD_DD23         MFPD(83) | MFP_AF(1)
> +#define MFP63_LCD_DD3          MFPD(63) | MFP_AF(1)
> +#define MFP64_LCD_DD4          MFPD(64) | MFP_AF(1)
> +#define MFP65_LCD_DD5          MFPD(65) | MFP_AF(1)
> +#define MFP66_LCD_DD6          MFPD(66) | MFP_AF(1)
> +#define MFP67_LCD_DD7          MFPD(67) | MFP_AF(1)
> +#define MFP68_LCD_DD8          MFPD(68) | MFP_AF(1)
> +#define MFP69_LCD_DD9          MFPD(69) | MFP_AF(1)
> +#define MFP59_LCD_DENA_BIAS    MFPD(59) | MFP_AF(1)
> +#define MFP56_LCD_FCLK_RD      MFPD(56) | MFP_AF(1)
> +#define MFP57_LCD_LCLK_A0      MFPD(57) | MFP_AF(1)
> +#define MFP58_LCD_PCLK_WR      MFPD(58) | MFP_AF(1)
> +#define MFP85_LCD_VSYNC                MFPD(85) | MFP_AF(1)
> +
> +/* I2C */
> +#define MFP105_CI2C_SDA                MFPD(105) | MFP_AF(1)
> +#define MFP106_CI2C_SCL                MFPD(106) | MFP_AF(1)
> +
> +/* I2S */
> +#define MFP113_I2S_MCLK                MFPD(113), MFP_AF(6)
> +#define MFP114_I2S_FRM         MFPD(114), MFP_AF(1)
> +#define MFP115_I2S_BCLK                MFPD(115), MFP_AF(1)
> +#define MFP116_I2S_RXD         MFPD(116), MFP_AF(2)
> +#define MFP117_I2S_TXD         MFPD(117), MFP_AF(2)
> +
> +#define MFP_PIN_MAX    117
> +
> +#endif /* __ARMADA100_MFP_H */
> --
> 1.5.3.4

Best regards,
Lei


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