[U-Boot] [PATCH 1/3] net: sh-eth: Add support R7S72100 of rmobile

Nobuhiro Iwamatsu iwamatsu at nigauri.org
Fri Jun 6 04:44:20 CEST 2014


ping.

2014-01-23 7:52 GMT+09:00 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj at renesas.com>:
> The R7S72100 of ARM SoC that Renesas manufactured has one Ether port.
> This has the same IP SH-Ether. This patch adds support of the R7S72100
> in SH-Ether.
>
> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj at renesas.com>
> ---
>  drivers/net/sh_eth.c | 10 ++++---
>  drivers/net/sh_eth.h | 81 +++++++++++++++++++++++++++++++++++++++++++++-------
>  2 files changed, 77 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
> index 5e132f2..0cb963f 100644
> --- a/drivers/net/sh_eth.c
> +++ b/drivers/net/sh_eth.c
> @@ -148,7 +148,7 @@ int sh_eth_recv(struct eth_device *dev)
>
>  static int sh_eth_reset(struct sh_eth_dev *eth)
>  {
> -#if defined(SH_ETH_TYPE_GETHER)
> +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ)
>         int ret = 0, i;
>
>         /* Start e-dmac transmitter and receiver */
> @@ -218,7 +218,7 @@ static int sh_eth_tx_desc_init(struct sh_eth_dev *eth)
>         /* Point the controller to the tx descriptor list. Must use physical
>            addresses */
>         sh_eth_write(eth, ADDR_TO_PHY(port_info->tx_desc_base), TDLAR);
> -#if defined(SH_ETH_TYPE_GETHER)
> +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ)
>         sh_eth_write(eth, ADDR_TO_PHY(port_info->tx_desc_base), TDFAR);
>         sh_eth_write(eth, ADDR_TO_PHY(cur_tx_desc), TDFXR);
>         sh_eth_write(eth, 0x01, TDFFR);/* Last discriptor bit */
> @@ -288,7 +288,7 @@ static int sh_eth_rx_desc_init(struct sh_eth_dev *eth)
>
>         /* Point the controller to the rx descriptor list */
>         sh_eth_write(eth, ADDR_TO_PHY(port_info->rx_desc_base), RDLAR);
> -#if defined(SH_ETH_TYPE_GETHER)
> +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ)
>         sh_eth_write(eth, ADDR_TO_PHY(port_info->rx_desc_base), RDFAR);
>         sh_eth_write(eth, ADDR_TO_PHY(cur_rx_desc), RDFXR);
>         sh_eth_write(eth, RDFFR_RDLF, RDFFR);
> @@ -384,7 +384,7 @@ static int sh_eth_config(struct sh_eth_dev *eth, bd_t *bd)
>         sh_eth_write(eth, 0, TFTR);
>         sh_eth_write(eth, (FIFO_SIZE_T | FIFO_SIZE_R), FDR);
>         sh_eth_write(eth, RMCR_RST, RMCR);
> -#if defined(SH_ETH_TYPE_GETHER)
> +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ)
>         sh_eth_write(eth, 0, RPADIR);
>  #endif
>         sh_eth_write(eth, (FIFO_F_D_RFF | FIFO_F_D_RFD), FCFTR);
> @@ -403,6 +403,8 @@ static int sh_eth_config(struct sh_eth_dev *eth, bd_t *bd)
>         sh_eth_write(eth, RFLR_RFL_MIN, RFLR);
>  #if defined(SH_ETH_TYPE_GETHER)
>         sh_eth_write(eth, 0, PIPR);
> +#endif
> +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ)
>         sh_eth_write(eth, APR_AP, APR);
>         sh_eth_write(eth, MPR_MP, MPR);
>         sh_eth_write(eth, TPAUSER_TPAUSE, TPAUSER);
> diff --git a/drivers/net/sh_eth.h b/drivers/net/sh_eth.h
> index 331c07c..0925759 100644
> --- a/drivers/net/sh_eth.h
> +++ b/drivers/net/sh_eth.h
> @@ -230,6 +230,61 @@ static const u16 sh_eth_offset_gigabit[SH_ETH_MAX_REGISTER_OFFSET] = {
>         [RMII_MII] =  0x0790,
>  };
>
> +#if defined(SH_ETH_TYPE_RZ)
> +static const u16 sh_eth_offset_rz[SH_ETH_MAX_REGISTER_OFFSET] = {
> +       [EDSR]  = 0x0000,
> +       [EDMR]  = 0x0400,
> +       [EDTRR] = 0x0408,
> +       [EDRRR] = 0x0410,
> +       [EESR]  = 0x0428,
> +       [EESIPR]        = 0x0430,
> +       [TDLAR] = 0x0010,
> +       [TDFAR] = 0x0014,
> +       [TDFXR] = 0x0018,
> +       [TDFFR] = 0x001c,
> +       [RDLAR] = 0x0030,
> +       [RDFAR] = 0x0034,
> +       [RDFXR] = 0x0038,
> +       [RDFFR] = 0x003c,
> +       [TRSCER]        = 0x0438,
> +       [RMFCR] = 0x0440,
> +       [TFTR]  = 0x0448,
> +       [FDR]   = 0x0450,
> +       [RMCR]  = 0x0458,
> +       [RPADIR]        = 0x0460,
> +       [FCFTR] = 0x0468,
> +       [CSMR] = 0x04E4,
> +
> +       [ECMR]  = 0x0500,
> +       [ECSR]  = 0x0510,
> +       [ECSIPR]        = 0x0518,
> +       [PSR]   = 0x0528,
> +       [PIPR]  = 0x052c,
> +       [RFLR]  = 0x0508,
> +       [APR]   = 0x0554,
> +       [MPR]   = 0x0558,
> +       [PFTCR] = 0x055c,
> +       [PFRCR] = 0x0560,
> +       [TPAUSER]       = 0x0564,
> +       [GECMR] = 0x05b0,
> +       [BCULR] = 0x05b4,
> +       [MAHR]  = 0x05c0,
> +       [MALR]  = 0x05c8,
> +       [TROCR] = 0x0700,
> +       [CDCR]  = 0x0708,
> +       [LCCR]  = 0x0710,
> +       [CEFCR] = 0x0740,
> +       [FRECR] = 0x0748,
> +       [TSFRCR]        = 0x0750,
> +       [TLFRCR]        = 0x0758,
> +       [RFCR]  = 0x0760,
> +       [CERCR] = 0x0768,
> +       [CEECR] = 0x0770,
> +       [MAFCR] = 0x0778,
> +       [RMII_MII] =  0x0790,
> +};
> +#endif
> +
>  static const u16 sh_eth_offset_fast_sh4[SH_ETH_MAX_REGISTER_OFFSET] = {
>         [ECMR]  = 0x0100,
>         [RFLR]  = 0x0108,
> @@ -306,13 +361,16 @@ static const u16 sh_eth_offset_fast_sh4[SH_ETH_MAX_REGISTER_OFFSET] = {
>  #elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791)
>  #define SH_ETH_TYPE_ETHER
>  #define BASE_IO_ADDR   0xEE700200
> +#elif defined(CONFIG_R7S72100)
> +#define SH_ETH_TYPE_RZ
> +#define BASE_IO_ADDR   0xE8203000
>  #endif
>
>  /*
>   * Register's bits
>   * Copy from Linux driver source code
>   */
> -#if defined(SH_ETH_TYPE_GETHER)
> +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ)
>  /* EDSR */
>  enum EDSR_BIT {
>         EDSR_ENT = 0x01, EDSR_ENR = 0x02,
> @@ -323,7 +381,7 @@ enum EDSR_BIT {
>  /* EDMR */
>  enum DMAC_M_BIT {
>         EDMR_DL1 = 0x20, EDMR_DL0 = 0x10,
> -#if defined(SH_ETH_TYPE_GETHER)
> +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ)
>         EDMR_SRST       = 0x03, /* Receive/Send reset */
>         EMDR_DESC_R     = 0x30, /* Descriptor reserve size */
>         EDMR_EL         = 0x40, /* Litte endian */
> @@ -349,7 +407,7 @@ enum DMAC_M_BIT {
>
>  /* EDTRR */
>  enum DMAC_T_BIT {
> -#if defined(SH_ETH_TYPE_GETHER)
> +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ)
>         EDTRR_TRNS = 0x03,
>  #else
>         EDTRR_TRNS = 0x01,
> @@ -424,7 +482,7 @@ enum EESR_BIT {
>  };
>
>
> -#if defined(SH_ETH_TYPE_GETHER)
> +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ)
>  # define TX_CHECK (EESR_TC1 | EESR_FTC)
>  # define EESR_ERR_CHECK        (EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE \
>                 | EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI)
> @@ -484,7 +542,8 @@ enum FCFTR_BIT {
>
>  /* Transfer descriptor bit */
>  enum TD_STS_BIT {
> -#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_ETHER)
> +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_ETHER) || \
> +       defined(SH_ETH_TYPE_RZ)
>         TD_TACT = 0x80000000,
>  #else
>         TD_TACT = 0x7fffffff,
> @@ -500,7 +559,7 @@ enum TD_STS_BIT {
>  enum RECV_RST_BIT { RMCR_RST = 0x01, };
>  /* ECMR */
>  enum FELIC_MODE_BIT {
> -#if defined(SH_ETH_TYPE_GETHER)
> +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ)
>         ECMR_TRCCM=0x04000000, ECMR_RCSC= 0x00800000, ECMR_DPAD= 0x00200000,
>         ECMR_RZPF = 0x00100000,
>  #endif
> @@ -517,7 +576,7 @@ enum FELIC_MODE_BIT {
>
>  };
>
> -#if defined(SH_ETH_TYPE_GETHER)
> +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ)
>  #define ECMR_CHG_DM    (ECMR_TRCCM | ECMR_RZPF | ECMR_ZPF | ECMR_PFR | ECMR_RXF | \
>                                                 ECMR_TXF | ECMR_MCT)
>  #elif defined(SH_ETH_TYPE_ETHER)
> @@ -535,7 +594,7 @@ enum ECSR_STATUS_BIT {
>         ECSR_MPD = 0x02, ECSR_ICD = 0x01,
>  };
>
> -#if defined(SH_ETH_TYPE_GETHER)
> +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ)
>  # define ECSR_INIT (ECSR_ICD | ECSIPR_MPDIP)
>  #else
>  # define ECSR_INIT (ECSR_BRCRX | ECSR_PSRTO | \
> @@ -556,7 +615,7 @@ enum ECSIPR_STATUS_MASK_BIT {
>         ECSIPR_ICDIP = 0x01,
>  };
>
> -#if defined(SH_ETH_TYPE_GETHER)
> +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ)
>  # define ECSIPR_INIT (ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP)
>  #else
>  # define ECSIPR_INIT (ECSIPR_BRCRXIP | ECSIPR_PSRTOIP | ECSIPR_LCHNGIP | \
> @@ -587,7 +646,7 @@ enum RPADIR_BIT {
>         RPADIR_PADR = 0x0003f,
>  };
>
> -#if defined(SH_ETH_TYPE_GETHER)
> +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ)
>  # define RPADIR_INIT (0x00)
>  #else
>  # define RPADIR_INIT (RPADIR_PADS1)
> @@ -605,6 +664,8 @@ static inline unsigned long sh_eth_reg_addr(struct sh_eth_dev *eth,
>         const u16 *reg_offset = sh_eth_offset_gigabit;
>  #elif defined(SH_ETH_TYPE_ETHER)
>         const u16 *reg_offset = sh_eth_offset_fast_sh4;
> +#elif defined(SH_ETH_TYPE_RZ)
> +       const u16 *reg_offset = sh_eth_offset_rz;
>  #else
>  #error
>  #endif
> --
> 1.8.5
>



-- 
Nobuhiro Iwamatsu
   iwamatsu at {nigauri.org / debian.org}
   GPG ID: 40AD1FA6


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