[U-Boot] [PATCH 2/4] Exynos5800: Add support for Exynos5800

Hyungwon Hwang
2014-11-04T05:05:54Z

Dear Jaehoon Chung,

On Tue, 04 Nov 2014 13:56:00 +0900
Jaehoon Chung <jh80.chung@samsung.com> wrote:

> On 10/31/2014 09:08 PM, Hyungwon Hwang wrote:
> > The gpios of Exynos5800 are different from that of Exynos5420. This patch
> > adds the gpio information and table of Exynos5800.
> >
> > Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
> > ---
> > arch/arm/include/asm/arch-exynos/gpio.h | 31
> > +++++++++++++++++++++++++++++-- drivers/gpio/s5p_gpio.c |
> > 4 +++- 2 files changed, 32 insertions(+), 3 deletions(-)
> >
> > diff --git a/arch/arm/include/asm/arch-exynos/gpio.h
> > b/arch/arm/include/asm/arch-exynos/gpio.h index 431ae3a..8f82ef0 100644
> > --- a/arch/arm/include/asm/arch-exynos/gpio.h
> > +++ b/arch/arm/include/asm/arch-exynos/gpio.h
> > @@ -1368,11 +1368,21 @@ static struct gpio_info
> > exynos5420_gpio_data[EXYNOS5420_GPIO_NUM_PARTS] =
> > { { EXYNOS5420_GPIO_PART5_BASE, EXYNOS5420_GPIO_MAX_PORT }, };
> >
> > +#define EXYNOS5800_GPIO_NUM_PARTS 4
> > +static struct gpio_info exynos5800_gpio_data[EXYNOS5800_GPIO_NUM_PARTS] = {
> > + { EXYNOS5420_GPIO_PART1_BASE, EXYNOS5420_GPIO_MAX_PORT_PART_1 },
> > + { EXYNOS5420_GPIO_PART2_BASE, EXYNOS5420_GPIO_MAX_PORT_PART_2 },
> > + { EXYNOS5420_GPIO_PART3_BASE, EXYNOS5420_GPIO_MAX_PORT_PART_3 },
> > + { EXYNOS5420_GPIO_PART4_BASE, EXYNOS5420_GPIO_MAX_PORT_PART_4 },
>
> you refer to other gpio_data.
> You mentioned "different from that of exynos5420", but used
> EXYNOS5420_GPIO_XXX. It's strange.
>

You're right. This patch is wrong. This one will be removed from next version.

> > +};
> > +
> > static inline struct gpio_info *get_gpio_data(void)
> > {
> > if (cpu_is_exynos5()) {
> > - if (proid_is_exynos5420() || proid_is_exynos5800())
> > + if (proid_is_exynos5420())
> > return exynos5420_gpio_data;
> > + else if (proid_is_exynos5800())
> > + return exynos5800_gpio_data;
> > else
> > return exynos5_gpio_data;
> > } else if (cpu_is_exynos4()) {
> > @@ -1388,8 +1398,10 @@ static inline struct gpio_info *get_gpio_data(void)
> > static inline unsigned int get_bank_num(void)
> > {
> > if (cpu_is_exynos5()) {
> > - if (proid_is_exynos5420() || proid_is_exynos5800())
> > + if (proid_is_exynos5420())
> > return EXYNOS5420_GPIO_NUM_PARTS;
> > + if (proid_is_exynos5800())
>
> else if (prod_is_exynos5800())
>
> Best Regard,
> Jaehoon Chung
>
> > + return EXYNOS5800_GPIO_NUM_PARTS;
> > else
> > return EXYNOS5_GPIO_NUM_PARTS;
> > } else if (cpu_is_exynos4()) {
> > @@ -1493,6 +1505,21 @@ static const struct gpio_name_num_table
> > exynos5420_gpio_table[] = { { 0 }
> > };
> >
> > +static const struct gpio_name_num_table exynos5800_gpio_table[] = {
> > + GPIO_ENTRY('x', EXYNOS5420_GPIO_X00, EXYNOS5420_GPIO_C00, 0),
> > + GPIO_ENTRY('c', EXYNOS5420_GPIO_C00, EXYNOS5420_GPIO_D10, 0),
> > + GPIO_ENTRY('d', EXYNOS5420_GPIO_D10, EXYNOS5420_GPIO_Y00, 0),
> > + GPIO_ENTRY('y', EXYNOS5420_GPIO_Y00, EXYNOS5420_GPIO_E00, 0),
> > + GPIO_ENTRY('e', EXYNOS5420_GPIO_E00, EXYNOS5420_GPIO_F00, 0),
> > + GPIO_ENTRY('f', EXYNOS5420_GPIO_F00, EXYNOS5420_GPIO_G00, 0),
> > + GPIO_ENTRY('g', EXYNOS5420_GPIO_G00, EXYNOS5420_GPIO_J40, 0),
> > + GPIO_ENTRY('j', EXYNOS5420_GPIO_J40, EXYNOS5420_GPIO_A00, 0),
> > + GPIO_ENTRY('a', EXYNOS5420_GPIO_A00, EXYNOS5420_GPIO_B00, 0),
> > + GPIO_ENTRY('b', EXYNOS5420_GPIO_B00, EXYNOS5420_GPIO_H00, 0),
> > + GPIO_ENTRY('h', EXYNOS5420_GPIO_H00, EXYNOS5420_GPIO_Z0, 0),
> > + { 0 }
> > +};
> > +
> > void gpio_cfg_pin(int gpio, int cfg);
> > void gpio_set_pull(int gpio, int mode);
> > void gpio_set_drv(int gpio, int mode);
> > diff --git a/drivers/gpio/s5p_gpio.c b/drivers/gpio/s5p_gpio.c
> > index bcf44eb..bed7cd7 100644
> > --- a/drivers/gpio/s5p_gpio.c
> > +++ b/drivers/gpio/s5p_gpio.c
> > @@ -57,11 +57,13 @@ static inline int s5p_name_to_gpio(const char *name)
> > */
> > #if defined(CONFIG_EXYNOS4) || defined(CONFIG_EXYNOS5)
> > if (cpu_is_exynos5()) {
> > - if (proid_is_exynos5420() || proid_is_exynos5800()) {
> > + if (proid_is_exynos5420()) {
> > tabp = exynos5420_gpio_table;
> > irregular_bank_name = 'y';
> > irregular_set_number = '7';
> > irregular_bank_base = EXYNOS5420_GPIO_Y70;
> > + } else if (proid_is_exynos5800()) {
> > + tabp = exynos5800_gpio_table;
> > } else {
> > tabp = exynos5_gpio_table;
> > irregular_bank_name = 'c';
> >
>

Best regards,
Hyungwon Hwang

--
Hyungwon Hwang
S/W Platform Team, Software Center
Samsung Electronics
human.hwang at samsung.com